SAIT ARIS / mbed-lora-radio-drv

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API Documentation at this revision

Comitter:
group-SAIT-ARIS
Date:
Wed Sep 12 20:02:02 2018 +0000
Commit message:
Initial commit

Changed in this revision

LICENCE-BSD-3-Clause Show annotated file Show diff for this revision Revisions of this file
LICENSE Show annotated file Show diff for this revision Revisions of this file
README.md Show annotated file Show diff for this revision Revisions of this file
SX1272/README.md Show annotated file Show diff for this revision Revisions of this file
SX1272/SX1272_LoRaRadio.cpp Show annotated file Show diff for this revision Revisions of this file
SX1272/SX1272_LoRaRadio.h Show annotated file Show diff for this revision Revisions of this file
SX1272/mbed_lib.json Show annotated file Show diff for this revision Revisions of this file
SX1272/registers/sx1272Regs-Fsk.h Show annotated file Show diff for this revision Revisions of this file
SX1272/registers/sx1272Regs-LoRa.h Show annotated file Show diff for this revision Revisions of this file
SX1276/README.md Show annotated file Show diff for this revision Revisions of this file
SX1276/SX1276_LoRaRadio.cpp Show annotated file Show diff for this revision Revisions of this file
SX1276/SX1276_LoRaRadio.h Show annotated file Show diff for this revision Revisions of this file
SX1276/mbed_lib.json Show annotated file Show diff for this revision Revisions of this file
SX1276/registers/sx1276Regs-Fsk.h Show annotated file Show diff for this revision Revisions of this file
SX1276/registers/sx1276Regs-LoRa.h Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LICENCE-BSD-3-Clause	Wed Sep 12 20:02:02 2018 +0000
@@ -0,0 +1,25 @@
+Copyright 2017 Arm Limited and affiliates.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+3. Neither the name of the copyright holder nor the
+   names of its contributors may be used to endorse or promote products
+   derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LICENSE	Wed Sep 12 20:02:02 2018 +0000
@@ -0,0 +1,25 @@
+--- Revised BSD License ---
+Copyright (c) 2013, SEMTECH S.A.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+    * Neither the name of the Semtech corporation nor the
+      names of its contributors may be used to endorse or promote products
+      derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL SEMTECH S.A. BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/README.md	Wed Sep 12 20:02:02 2018 +0000
@@ -0,0 +1,1 @@
+# Mbed enabled Semtech LoRa/FSK radio drivers. 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SX1272/README.md	Wed Sep 12 20:02:02 2018 +0000
@@ -0,0 +1,1 @@
+# Mbed enabled SX1272 LoRa/FSK radio driver 
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SX1272/SX1272_LoRaRadio.cpp	Wed Sep 12 20:02:02 2018 +0000
@@ -0,0 +1,2113 @@
+/**
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2013 Semtech
+ ___ _____ _   ___ _  _____ ___  ___  ___ ___
+/ __|_   _/_\ / __| |/ / __/ _ \| _ \/ __| __|
+\__ \ | |/ _ \ (__| ' <| _| (_) |   / (__| _|
+|___/ |_/_/ \_\___|_|\_\_| \___/|_|_\\___|___|
+embedded.connectivity.solutions===============
+
+Description: Radio driver for Semtech SX1272 LoRa radio chip. Implements LoRaRadio class.
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis ( Semtech ), Gregory Cristian ( Semtech ) and Daniel Jaeckle ( STACKFORCE )
+
+
+Copyright (c) 2017, Arm Limited and affiliates.
+
+SPDX-License-Identifier: BSD-3-Clause
+*/
+
+#include <stdio.h>
+#include <math.h> //rint
+#include <string.h>
+#include "mbed.h"
+
+#include "SX1272_LoRaRadio.h"
+#include "sx1272Regs-Fsk.h"
+#include "sx1272Regs-LoRa.h"
+
+#ifdef MBED_SX1272_LORA_RADIO_SPI_FREQUENCY
+#define SPI_FREQUENCY    MBED_SX1272_LORA_RADIO_SPI_FREQUENCY
+#else
+#define SPI_FREQUENCY    8000000
+#endif
+
+// Sync word for Private LoRa networks
+#define LORA_MAC_PRIVATE_SYNCWORD                   0x12
+// Sync word for Public LoRa networks
+#define LORA_MAC_PUBLIC_SYNCWORD                    0x34
+
+// SX1272 definitions
+#define XTAL_FREQ                                   32000000
+#define FREQ_STEP                                   61.03515625
+
+
+
+enum RadioVariant {
+    SX1272UNDEFINED = 0,
+    SX1272MB2XAS,
+    SX1272MB1DCS
+};
+
+/*!
+ * FSK bandwidth definition
+ */
+typedef struct
+{
+    uint32_t bandwidth;
+    uint8_t  register_value;
+} fsk_bw_t;
+
+/*!
+ * Radio registers definition
+ */
+typedef struct
+{
+    modem_type  modem;
+    uint8_t     addr;
+    uint8_t     value;
+} radio_registers_t;
+
+/*!
+ * Constant values need to compute the RSSI value
+ */
+#define RSSI_OFFSET                                 -139
+
+#define RADIO_INIT_REGISTERS_VALUE                \
+{                                                 \
+    { MODEM_FSK , REG_LNA                , 0x23 },\
+    { MODEM_FSK , REG_RXCONFIG           , 0x1E },\
+    { MODEM_FSK , REG_RSSICONFIG         , 0xD2 },\
+    { MODEM_FSK , REG_AFCFEI             , 0x01 },\
+    { MODEM_FSK , REG_PREAMBLEDETECT     , 0xAA },\
+    { MODEM_FSK , REG_OSC                , 0x07 },\
+    { MODEM_FSK , REG_SYNCCONFIG         , 0x12 },\
+    { MODEM_FSK , REG_SYNCVALUE1         , 0xC1 },\
+    { MODEM_FSK , REG_SYNCVALUE2         , 0x94 },\
+    { MODEM_FSK , REG_SYNCVALUE3         , 0xC1 },\
+    { MODEM_FSK , REG_PACKETCONFIG1      , 0xD8 },\
+    { MODEM_FSK , REG_FIFOTHRESH         , 0x8F },\
+    { MODEM_FSK , REG_IMAGECAL           , 0x02 },\
+    { MODEM_FSK , REG_DIOMAPPING1        , 0x00 },\
+    { MODEM_FSK , REG_DIOMAPPING2        , 0x30 },\
+    { MODEM_LORA, REG_LR_DETECTOPTIMIZE  , 0x43 },\
+    { MODEM_LORA, REG_LR_PAYLOADMAXLENGTH, 0x40 },\
+}
+
+const fsk_bw_t fsk_bandwidths[] =
+{
+    { 2600  , 0x17 },
+    { 3100  , 0x0F },
+    { 3900  , 0x07 },
+    { 5200  , 0x16 },
+    { 6300  , 0x0E },
+    { 7800  , 0x06 },
+    { 10400 , 0x15 },
+    { 12500 , 0x0D },
+    { 15600 , 0x05 },
+    { 20800 , 0x14 },
+    { 25000 , 0x0C },
+    { 31300 , 0x04 },
+    { 41700 , 0x13 },
+    { 50000 , 0x0B },
+    { 62500 , 0x03 },
+    { 83333 , 0x12 },
+    { 100000, 0x0A },
+    { 125000, 0x02 },
+    { 166700, 0x11 },
+    { 200000, 0x09 },
+    { 250000, 0x01 },
+    { 300000, 0x00 }, // Invalid bandwidth
+};
+
+/**
+ * SPI read/write masks
+ */
+#define SPI_WRITE_CMD   0x80
+#define SPI_READ_CMD    0x7F
+
+/**
+ * Signals
+ */
+#define SIG_DIO0    0x01
+#define SIG_DIO1    0x02
+#define SIG_DIO2    0x04
+#define SIG_DIO3    0x08
+#define SIG_DIO4    0x10
+#define SIG_DIO5    0x20
+#define SIG_TIMOUT  0x40
+
+/**
+ * Radio hardware registers initialization
+ */
+static const radio_registers_t radio_reg_init[] = RADIO_INIT_REGISTERS_VALUE;
+
+
+/**
+ * Constructor
+ */
+SX1272_LoRaRadio::SX1272_LoRaRadio(PinName spi_mosi,
+                                   PinName spi_miso,
+                                   PinName spi_sclk,
+                                   PinName nss,
+                                   PinName reset,
+                                   PinName dio0,
+                                   PinName dio1,
+                                   PinName dio2,
+                                   PinName dio3,
+                                   PinName dio4,
+                                   PinName dio5,
+                                   PinName rf_switch_ctl1,
+                                   PinName rf_switch_ctl2,
+                                   PinName txctl,
+                                   PinName rxctl,
+                                   PinName antswitch,
+                                   PinName pwr_amp_ctl,
+                                   PinName tcxo)
+    :   _spi(spi_mosi, spi_miso, spi_sclk),
+        _chip_select(nss, 1),
+        _reset_ctl(reset),
+        _dio0_ctl(dio0), _dio1_ctl(dio1), _dio2_ctl(dio2), _dio3_ctl(dio3), _dio4_ctl(dio4), _dio5_ctl(dio5),
+        _rf_switch_ctl1(rf_switch_ctl1, 0), _rf_switch_ctl2(rf_switch_ctl2, 0), _txctl(txctl, 0), _rxctl(rxctl, 0),
+        _ant_switch(antswitch, PIN_INPUT, PullUp, 0),
+        _pwr_amp_ctl(pwr_amp_ctl),
+        _tcxo(tcxo)
+
+#ifdef MBED_CONF_RTOS_PRESENT
+        , irq_thread(osPriorityRealtime, 1024)
+#endif
+{
+    _rf_ctrls.ant_switch = antswitch;
+    _rf_ctrls.pwr_amp_ctl = pwr_amp_ctl;
+    _rf_ctrls.rf_switch_ctl1 = rf_switch_ctl1;
+    _rf_ctrls.rf_switch_ctl2 = rf_switch_ctl2;
+    _rf_ctrls.rxctl = rxctl;
+    _rf_ctrls.txctl = txctl;
+
+    _dio4_pin = dio4;
+    _dio5_pin = dio5;
+
+    _radio_events = NULL;
+
+    if (tcxo != NC) {
+        _tcxo = 1;
+    }
+
+    radio_is_active = false;
+
+#ifdef MBED_CONF_RTOS_PRESENT
+    irq_thread.start(mbed::callback(this, &SX1272_LoRaRadio::rf_irq_task));
+#endif
+}
+
+/**
+ * Destructor
+ */
+SX1272_LoRaRadio::~SX1272_LoRaRadio()
+{
+
+}
+
+/*****************************************************************************
+ * Public APIs                                                               *
+ ****************************************************************************/
+
+/**
+ * Acquire lock
+ */
+void SX1272_LoRaRadio::lock(void)
+{
+    mutex.lock();
+}
+
+/**
+ * Release lock
+ */
+void SX1272_LoRaRadio::unlock(void)
+{
+    mutex.unlock();
+}
+
+/**
+ * Initializes radio module
+ */
+void SX1272_LoRaRadio::init_radio(radio_events_t *events)
+{
+    _radio_events = events;
+
+    // Reset the radio transceiver
+    radio_reset();
+
+    // Setup radio variant type
+    set_sx1272_variant_type();
+
+    // setup SPI frequency
+    // default is 8MHz although, configurable through
+    // SPI_FREQUENCY macro
+    setup_spi();
+
+    // set radio mode to sleep
+    set_operation_mode(RF_OPMODE_SLEEP);
+
+    // Setup radio registers to defaults
+    setup_registers();
+
+    // set modem type - defaults to FSK here
+    set_modem(MODEM_FSK);
+
+    // set state to be idle
+    _rf_settings.state = RF_IDLE;
+
+    // Setup interrupts on DIO pins
+    setup_interrupts();
+}
+
+/**
+ * TODO: The purpose of this API is unclear.
+ *       Need to start an internal discussion.
+ */
+bool SX1272_LoRaRadio::check_rf_frequency(uint32_t frequency)
+{
+    // Implement check. Currently all frequencies are supported ? What band ?
+    return true;
+}
+
+/**
+ * Sets up carrier frequency
+ */
+void SX1272_LoRaRadio::set_channel(uint32_t freq)
+{
+    _rf_settings.channel = freq;
+    freq = (uint32_t) ((float) freq / (float) FREQ_STEP);
+    write_to_register(REG_FRFMSB, (uint8_t) ((freq >> 16) & 0xFF));
+    write_to_register(REG_FRFMID, (uint8_t) ((freq >> 8) & 0xFF));
+    write_to_register(REG_FRFLSB, (uint8_t) (freq & 0xFF));
+}
+
+/**
+ * Returns current status of the radio state machine
+ */
+uint8_t SX1272_LoRaRadio::get_status(void)
+{
+    return _rf_settings.state;
+}
+
+/**
+ * sets the radio module to sleep
+ */
+
+void SX1272_LoRaRadio::sleep()
+{
+    // stop timers
+    tx_timeout_timer.detach();
+
+    // put module in sleep mode
+    set_operation_mode(RF_OPMODE_SLEEP);
+}
+
+/**
+ * Sets up operation mode
+ */
+void SX1272_LoRaRadio::set_operation_mode(uint8_t mode)
+{
+    if (mode == RF_OPMODE_SLEEP) {
+        set_low_power_mode(true);
+    } else {
+        set_low_power_mode(false);
+        set_antenna_switch(mode);
+    }
+
+    write_to_register(REG_OPMODE, (read_register(REG_OPMODE) & RF_OPMODE_MASK) | mode);
+}
+
+/**
+ * Sets the modem type to use
+ *
+ * At initialization FSK is chosen. Later stack or application
+ * can choose to change.
+ */
+void SX1272_LoRaRadio::set_modem(uint8_t modem )
+{
+    if ((read_register(REG_OPMODE) & RFLR_OPMODE_LONGRANGEMODE_ON) != 0 ) {
+        _rf_settings.modem = MODEM_LORA;
+    } else {
+        _rf_settings.modem = MODEM_FSK;
+    }
+
+    if(_rf_settings.modem == modem ) {
+        // if the modem is already set
+        return;
+    }
+
+    _rf_settings.modem = modem;
+
+    switch(_rf_settings.modem)
+    {
+    default:
+    case MODEM_FSK:
+        // before changing modem mode, put the module to sleep
+        sleep();
+        write_to_register(REG_OPMODE, (read_register(REG_OPMODE) & RFLR_OPMODE_LONGRANGEMODE_MASK)
+                                      | RFLR_OPMODE_LONGRANGEMODE_OFF);
+
+        // Datasheet Tables 28, 29 DIO mapping
+        write_to_register(REG_DIOMAPPING1, 0x00); // sets DIO0-DI03 in default mode
+        write_to_register(REG_DIOMAPPING2, 0x30); // bits 4-5 are turned on i.e.,
+                                                  //  DIO5 and DIO4=ModeReady
+        break;
+    case MODEM_LORA:
+        sleep();
+        write_to_register(REG_OPMODE, (read_register(REG_OPMODE) & RFLR_OPMODE_LONGRANGEMODE_MASK)
+                                      | RFLR_OPMODE_LONGRANGEMODE_ON);
+
+        // Datasheet Tables 17 DIO mapping for LoRa
+        // set to defaults
+        write_to_register(REG_DIOMAPPING1, 0x00); // DIO0 - DIO3 defaults
+        write_to_register(REG_DIOMAPPING2, 0x00); // DIO4 - DIO5 defaults
+
+        break;
+    }
+}
+
+/**
+ * Can be used by application/stack or the driver itself
+ * Ref: Datasheet 7.2.2 Manual Reset
+ */
+void SX1272_LoRaRadio::radio_reset()
+{
+    _reset_ctl.output();
+    _reset_ctl = 0;
+    wait_ms(2);
+    _reset_ctl.input();
+    wait_ms(6);
+}
+
+/**
+ * Sets up receiver related configurations
+ *
+ * Must be called before setting the radio in rx mode
+ */
+void SX1272_LoRaRadio::set_rx_config(radio_modems_t modem, uint32_t bandwidth,
+                         uint32_t datarate, uint8_t coderate,
+                         uint32_t bandwidth_afc, uint16_t preamble_len,
+                         uint16_t symb_timeout, bool fix_len,
+                         uint8_t payload_len,
+                         bool crc_on, bool freq_hop_on, uint8_t hop_period,
+                         bool iq_inverted, bool rx_continuous)
+{
+    set_modem(modem);
+
+    switch (modem) {
+        case MODEM_FSK:
+            _rf_settings.fsk.bandwidth = bandwidth;
+            _rf_settings.fsk.datarate = datarate;
+            _rf_settings.fsk.bandwidth_afc = bandwidth_afc;
+            _rf_settings.fsk.fix_len = fix_len;
+            _rf_settings.fsk.payload_len = payload_len;
+            _rf_settings.fsk.crc_on = crc_on;
+            _rf_settings.fsk.iq_inverted = iq_inverted;
+            _rf_settings.fsk.rx_continuous = rx_continuous;
+            _rf_settings.fsk.preamble_len = preamble_len;
+            _rf_settings.fsk.rx_single_timeout = (symb_timeout + 1) / 2; // dividing by 2 as our detector size is 2 symbols (16 bytes)
+
+            datarate = (uint16_t) ((float) XTAL_FREQ / (float) datarate);
+            write_to_register(REG_BITRATEMSB, (uint8_t) (datarate >> 8));
+            write_to_register(REG_BITRATELSB, (uint8_t) (datarate & 0xFF));
+
+            write_to_register(REG_RXBW, get_fsk_bw_reg_val(bandwidth));
+            write_to_register(REG_AFCBW, get_fsk_bw_reg_val(bandwidth_afc));
+
+            write_to_register(REG_PREAMBLEMSB, (uint8_t) ((preamble_len >> 8) & 0xFF));
+            write_to_register(REG_PREAMBLELSB, (uint8_t) (preamble_len & 0xFF));
+
+            if (fix_len == 1) {
+                write_to_register(REG_PAYLOADLENGTH, payload_len);
+            } else {
+                write_to_register(REG_PAYLOADLENGTH, 0xFF); // Set payload length to the maximum
+            }
+
+            write_to_register(REG_PACKETCONFIG1, (read_register(REG_PACKETCONFIG1) & RF_PACKETCONFIG1_CRC_MASK
+                          & RF_PACKETCONFIG1_PACKETFORMAT_MASK)
+                          | ((fix_len == 1) ?
+                                  RF_PACKETCONFIG1_PACKETFORMAT_FIXED :
+                                  RF_PACKETCONFIG1_PACKETFORMAT_VARIABLE)
+                          | (crc_on << 4));
+
+            // TODO why packet mode 2 ?
+            write_to_register(REG_PACKETCONFIG2, (read_register(REG_PACKETCONFIG2) | RF_PACKETCONFIG2_DATAMODE_PACKET));
+
+            break;
+
+        case MODEM_LORA:
+            _rf_settings.lora.bandwidth = bandwidth;
+            _rf_settings.lora.datarate = datarate;
+            _rf_settings.lora.coderate = coderate;
+            _rf_settings.lora.preamble_len = preamble_len;
+            _rf_settings.lora.fix_len = fix_len;
+            _rf_settings.lora.payload_len = payload_len;
+            _rf_settings.lora.crc_on = crc_on;
+            _rf_settings.lora.freq_hop_on = freq_hop_on;
+            _rf_settings.lora.hop_period = hop_period;
+            _rf_settings.lora.iq_inverted = iq_inverted;
+            _rf_settings.lora.rx_continuous = rx_continuous;
+
+            if (datarate > 12) {
+                datarate = 12;
+            } else if (datarate < 6) {
+                datarate = 6;
+            }
+
+            if (((bandwidth == 0) && ((datarate == 11) || (datarate == 12)))
+                    || ((bandwidth == 1) && (datarate == 12))) {
+                _rf_settings.lora.low_datarate_optimize = 0x01;
+            } else {
+                _rf_settings.lora.low_datarate_optimize = 0x00;
+            }
+
+            write_to_register(REG_LR_MODEMCONFIG1, (read_register(REG_LR_MODEMCONFIG1) & RFLR_MODEMCONFIG1_BW_MASK
+                          & RFLR_MODEMCONFIG1_CODINGRATE_MASK
+                          & RFLR_MODEMCONFIG1_IMPLICITHEADER_MASK
+                          & RFLR_MODEMCONFIG1_RXPAYLOADCRC_MASK & RFLR_MODEMCONFIG1_LOWDATARATEOPTIMIZE_MASK)
+                          | (bandwidth << 6)
+                          | (coderate << 3) | (fix_len << 2) | (crc_on << 1)
+                          | _rf_settings.lora.low_datarate_optimize);
+
+            write_to_register(REG_LR_MODEMCONFIG2, (read_register(REG_LR_MODEMCONFIG2) & RFLR_MODEMCONFIG2_SF_MASK
+                          & RFLR_MODEMCONFIG2_SYMBTIMEOUTMSB_MASK)
+                          | (datarate << 4)
+                          | ((symb_timeout >> 8)
+                          & ~RFLR_MODEMCONFIG2_SYMBTIMEOUTMSB_MASK));
+
+            write_to_register(REG_LR_SYMBTIMEOUTLSB, (uint8_t) (symb_timeout & 0xFF));
+
+            write_to_register(REG_LR_PREAMBLEMSB, (uint8_t) ((preamble_len >> 8) & 0xFF));
+            write_to_register(REG_LR_PREAMBLELSB, (uint8_t) (preamble_len & 0xFF));
+
+            if (fix_len == 1) {
+                write_to_register(REG_LR_PAYLOADLENGTH, payload_len);
+            }
+
+            if (_rf_settings.lora.freq_hop_on == true) {
+                write_to_register( REG_LR_PLLHOP, (read_register(REG_LR_PLLHOP) & RFLR_PLLHOP_FASTHOP_MASK)
+                          | RFLR_PLLHOP_FASTHOP_ON);
+                write_to_register( REG_LR_HOPPERIOD, _rf_settings.lora.hop_period);
+            }
+
+            if (datarate == 6) {
+                write_to_register( REG_LR_DETECTOPTIMIZE, (read_register(REG_LR_DETECTOPTIMIZE) & RFLR_DETECTIONOPTIMIZE_MASK)
+                              | RFLR_DETECTIONOPTIMIZE_SF6);
+                write_to_register( REG_LR_DETECTIONTHRESHOLD, RFLR_DETECTIONTHRESH_SF6);
+            } else {
+                write_to_register(REG_LR_DETECTOPTIMIZE, (read_register(REG_LR_DETECTOPTIMIZE) & RFLR_DETECTIONOPTIMIZE_MASK)
+                              | RFLR_DETECTIONOPTIMIZE_SF7_TO_SF12);
+                write_to_register( REG_LR_DETECTIONTHRESHOLD, RFLR_DETECTIONTHRESH_SF7_TO_SF12);
+            }
+
+            break;
+
+        default:
+            break;
+    }
+}
+
+/**
+ * Sets up transmitter related configuration
+ *
+ * Must be called before putting the radio module in Tx mode or trying
+ * to send
+ */
+void SX1272_LoRaRadio::set_tx_config(radio_modems_t modem, int8_t power,
+                                     uint32_t fdev, uint32_t bandwidth,
+                                     uint32_t datarate, uint8_t coderate,
+                                     uint16_t preamble_len, bool fix_len,
+                                     bool crc_on, bool freq_hop_on,
+                                     uint8_t hop_period, bool iq_inverted,
+                                     uint32_t timeout)
+{
+    set_modem(modem);
+    set_rf_tx_power(power);
+
+    switch (modem) {
+        case MODEM_FSK:
+            _rf_settings.fsk.power = power;
+            _rf_settings.fsk.f_dev = fdev;
+            _rf_settings.fsk.bandwidth = bandwidth;
+            _rf_settings.fsk.datarate = datarate;
+            _rf_settings.fsk.preamble_len = preamble_len;
+            _rf_settings.fsk.fix_len = fix_len;
+            _rf_settings.fsk.crc_on = crc_on;
+            _rf_settings.fsk.iq_inverted = iq_inverted;
+            _rf_settings.fsk.tx_timeout = timeout;
+
+            fdev = (uint16_t) ((float) fdev / (float) FREQ_STEP);
+            write_to_register( REG_FDEVMSB, (uint8_t) (fdev >> 8));
+            write_to_register( REG_FDEVLSB, (uint8_t) (fdev & 0xFF));
+
+            datarate = (uint16_t) ((float) XTAL_FREQ / (float) datarate);
+            write_to_register( REG_BITRATEMSB, (uint8_t) (datarate >> 8));
+            write_to_register( REG_BITRATELSB, (uint8_t) (datarate & 0xFF));
+
+            write_to_register( REG_PREAMBLEMSB, (preamble_len >> 8) & 0x00FF);
+            write_to_register( REG_PREAMBLELSB, preamble_len & 0xFF);
+
+
+            write_to_register(REG_PACKETCONFIG1, (read_register(REG_PACKETCONFIG1)
+                              & RF_PACKETCONFIG1_CRC_MASK
+                              & RF_PACKETCONFIG1_PACKETFORMAT_MASK)
+                              | ((fix_len == 1) ?
+                              RF_PACKETCONFIG1_PACKETFORMAT_FIXED :
+                              RF_PACKETCONFIG1_PACKETFORMAT_VARIABLE)
+                              | (crc_on << 4));
+
+            //cfg_mode = read_register(REG_PACKETCONFIG2);
+            write_to_register(REG_PACKETCONFIG2, read_register(REG_PACKETCONFIG2)
+                             | RF_PACKETCONFIG2_DATAMODE_PACKET);
+
+            break;
+
+        case MODEM_LORA:
+            _rf_settings.lora.power = power;
+            _rf_settings.lora.bandwidth = bandwidth;
+            _rf_settings.lora.datarate = datarate;
+            _rf_settings.lora.coderate = coderate;
+            _rf_settings.lora.preamble_len = preamble_len;
+            _rf_settings.lora.fix_len = fix_len;
+            _rf_settings.lora.freq_hop_on = freq_hop_on;
+            _rf_settings.lora.hop_period = hop_period;
+            _rf_settings.lora.crc_on = crc_on;
+            _rf_settings.lora.iq_inverted = iq_inverted;
+            _rf_settings.lora.tx_timeout = timeout;
+
+            if (datarate > 12) {
+                datarate = 12;
+            } else if (datarate < 6) {
+                datarate = 6;
+            }
+            if (((bandwidth == 0) && ((datarate == 11) || (datarate == 12)))
+                    || ((bandwidth == 1) && (datarate == 12))) {
+                _rf_settings.lora.low_datarate_optimize = 0x01;
+            } else {
+                _rf_settings.lora.low_datarate_optimize = 0x00;
+            }
+
+            if (_rf_settings.lora.freq_hop_on == true) {
+                write_to_register(REG_LR_PLLHOP, (read_register(REG_LR_PLLHOP)
+                                & RFLR_PLLHOP_FASTHOP_MASK)
+                                | RFLR_PLLHOP_FASTHOP_ON);
+                write_to_register(REG_LR_HOPPERIOD, _rf_settings.lora.hop_period);
+            }
+
+            write_to_register(REG_LR_MODEMCONFIG1, (read_register(REG_LR_MODEMCONFIG1) &
+                    RFLR_MODEMCONFIG1_BW_MASK &
+                    RFLR_MODEMCONFIG1_CODINGRATE_MASK &
+                    RFLR_MODEMCONFIG1_IMPLICITHEADER_MASK &
+                    RFLR_MODEMCONFIG1_RXPAYLOADCRC_MASK &
+                    RFLR_MODEMCONFIG1_LOWDATARATEOPTIMIZE_MASK)
+                            | (bandwidth << 6) | (coderate << 3)
+                            | (fix_len << 2) | (crc_on << 1)
+                            | _rf_settings.lora.low_datarate_optimize);
+
+            write_to_register(REG_LR_MODEMCONFIG2,
+                              (read_register(REG_LR_MODEMCONFIG2) &
+                              RFLR_MODEMCONFIG2_SF_MASK) | (datarate << 4));
+
+            write_to_register( REG_LR_PREAMBLEMSB, (preamble_len >> 8) & 0x00FF);
+            write_to_register( REG_LR_PREAMBLELSB, preamble_len & 0xFF);
+
+            if (datarate == 6) {
+                write_to_register(REG_LR_DETECTOPTIMIZE,
+                                  (read_register(REG_LR_DETECTOPTIMIZE) &
+                                  RFLR_DETECTIONOPTIMIZE_MASK) |
+                                  RFLR_DETECTIONOPTIMIZE_SF6);
+                write_to_register( REG_LR_DETECTIONTHRESHOLD,
+                RFLR_DETECTIONTHRESH_SF6);
+            } else {
+                write_to_register(REG_LR_DETECTOPTIMIZE,
+                                  (read_register(REG_LR_DETECTOPTIMIZE) &
+                                                 RFLR_DETECTIONOPTIMIZE_MASK) |
+                                                 RFLR_DETECTIONOPTIMIZE_SF7_TO_SF12);
+                write_to_register(REG_LR_DETECTIONTHRESHOLD,
+                                  RFLR_DETECTIONTHRESH_SF7_TO_SF12);
+            }
+
+            break;
+    }
+}
+
+/**
+ * Calculates time on Air i.e., dwell time for a single packet
+ *
+ * Crucial for the stack in order to calculate dwell time so as to control
+ * duty cycling.
+ */
+uint32_t SX1272_LoRaRadio::time_on_air(radio_modems_t modem, uint8_t pkt_len)
+{
+    uint32_t airtime = 0;
+
+    switch (modem) {
+        case MODEM_FSK: {
+            airtime = rint((8 * (_rf_settings.fsk.preamble_len
+                                    + ((read_register( REG_SYNCCONFIG)
+                                            & ~RF_SYNCCONFIG_SYNCSIZE_MASK) + 1)
+                                    + ((_rf_settings.fsk.fix_len == 0x01) ?
+                                            0.0f : 1.0f)
+                                    + (((read_register( REG_PACKETCONFIG1)
+                                            & ~RF_PACKETCONFIG1_ADDRSFILTERING_MASK)
+                                            != 0x00) ? 1.0f : 0) + pkt_len
+                                    + ((_rf_settings.fsk.crc_on == 0x01) ?
+                                            2.0f : 0))
+                            / _rf_settings.fsk.datarate) * 1000);
+        }
+            break;
+        case MODEM_LORA: {
+            float bw = 0.0f;
+            switch (_rf_settings.lora.bandwidth) {
+                case 0: // 125 kHz
+                    bw = 125000;
+                    break;
+                case 1: // 250 kHz
+                    bw = 250000;
+                    break;
+                case 2: // 500 kHz
+                    bw = 500000;
+                    break;
+            }
+
+            // Symbol rate : time for one symbol (secs)
+            float rs = bw / (1 << _rf_settings.lora.datarate);
+            float ts = 1 / rs;
+            // time of preamble
+            float preamble_time = (_rf_settings.lora.preamble_len + 4.25f) * ts;
+            // Symbol length of payload and time
+            float tmp = ceil((8 * pkt_len - 4 * _rf_settings.lora.datarate + 28
+                            + 16 * _rf_settings.lora.crc_on -
+                            (_rf_settings.lora.fix_len ? 20 : 0))
+                            / (float) (4 * (_rf_settings.lora.datarate -
+                                       ((_rf_settings.lora.low_datarate_optimize
+                                                    > 0) ? 2 : 0)))) *
+                                                    (_rf_settings.lora.coderate + 4);
+            float n_payload = 8 + ((tmp > 0) ? tmp : 0);
+            float t_payload = n_payload * ts;
+            // Time on air
+            float t_onair = preamble_time + t_payload;
+            // return ms secs
+            airtime = floor(t_onair * 1000 + 0.999f);
+        }
+            break;
+    }
+    return airtime;
+}
+
+/**
+ * Prepares and sends the radio packet out in the air
+ */
+void SX1272_LoRaRadio::send(uint8_t *buffer, uint8_t size)
+{
+    uint32_t tx_timeout = 0;
+
+    switch (_rf_settings.modem) {
+        case MODEM_FSK:
+
+            _rf_settings.fsk_packet_handler.nb_bytes = 0;
+            _rf_settings.fsk_packet_handler.size = size;
+
+            // FIFO operations can not take place in Sleep mode
+            if ((read_register(REG_OPMODE) & ~RF_OPMODE_MASK) == RF_OPMODE_SLEEP) {
+                standby();
+                wait_ms(1);
+            }
+
+            if (_rf_settings.fsk.fix_len == false) {
+                write_fifo((uint8_t *) &size, 1);
+            } else {
+                write_to_register(REG_PAYLOADLENGTH, size);
+            }
+
+            if ((size > 0) && (size <= 64)) {
+                _rf_settings.fsk_packet_handler.chunk_size = size;
+            } else {
+                memcpy(_data_buffer, buffer, size);
+                _rf_settings.fsk_packet_handler.chunk_size = 32;
+            }
+
+            // write payload buffer
+            write_fifo(buffer, _rf_settings.fsk_packet_handler.chunk_size);
+            _rf_settings.fsk_packet_handler.nb_bytes +=
+                    _rf_settings.fsk_packet_handler.chunk_size;
+            tx_timeout = _rf_settings.fsk.tx_timeout;
+
+            break;
+        case MODEM_LORA:
+            if (_rf_settings.lora.iq_inverted == true) {
+                write_to_register(REG_LR_INVERTIQ, ((read_register(REG_LR_INVERTIQ) &
+                                  RFLR_INVERTIQ_TX_MASK &
+                                  RFLR_INVERTIQ_RX_MASK) |
+                                  RFLR_INVERTIQ_RX_OFF | RFLR_INVERTIQ_TX_ON));
+                write_to_register(REG_LR_INVERTIQ2, RFLR_INVERTIQ2_ON);
+            } else {
+                write_to_register(REG_LR_INVERTIQ, ((read_register(REG_LR_INVERTIQ) &
+                                  RFLR_INVERTIQ_TX_MASK &
+                                  RFLR_INVERTIQ_RX_MASK) |
+                                  RFLR_INVERTIQ_RX_OFF | RFLR_INVERTIQ_TX_OFF));
+                write_to_register( REG_LR_INVERTIQ2, RFLR_INVERTIQ2_OFF);
+            }
+
+            _rf_settings.lora_packet_handler.size = size;
+
+            // Initializes the payload size
+            write_to_register(REG_LR_PAYLOADLENGTH, size);
+
+            // Full buffer used for Tx
+            write_to_register(REG_LR_FIFOTXBASEADDR, 0);
+            write_to_register(REG_LR_FIFOADDRPTR, 0);
+
+            // FIFO operations can not take place in Sleep mode
+            if ((read_register(REG_OPMODE) & ~RF_OPMODE_MASK) == RF_OPMODE_SLEEP) {
+                standby();
+                wait_ms(1);
+            }
+            // write payload buffer
+            write_fifo(buffer, size);
+            tx_timeout = _rf_settings.lora.tx_timeout;
+
+            break;
+    }
+
+    // transmit
+    transmit(tx_timeout);
+}
+
+/**
+ * Actual TX - Transmit routine
+ *
+ * A DIO0 interrupt let the state machine know that a a packet is
+ * successfully sent, otherwise a TxTimeout is invoked.
+ * TxTimeout should never happen in normal circumstances as the radio should
+ * be able to send a packet out in the air no matter what.
+ */
+void SX1272_LoRaRadio::transmit(uint32_t timeout)
+{
+    switch (_rf_settings.modem) {
+
+        case MODEM_FSK:
+            // DIO0=PacketSent
+            // DIO1=FifoEmpty
+            // DIO2=FifoFull
+            // DIO3=FifoEmpty
+            // DIO4=LowBat
+            // DIO5=ModeReady
+            write_to_register(REG_DIOMAPPING1,(read_register(REG_DIOMAPPING1) &
+                              RF_DIOMAPPING1_DIO0_MASK &
+                              RF_DIOMAPPING1_DIO1_MASK &
+                              RF_DIOMAPPING1_DIO2_MASK) |
+                              RF_DIOMAPPING1_DIO1_01);
+
+            write_to_register(REG_DIOMAPPING2, (read_register(REG_DIOMAPPING2) &
+                              RF_DIOMAPPING2_DIO4_MASK &
+                              RF_DIOMAPPING2_MAP_MASK));
+            _rf_settings.fsk_packet_handler.fifo_thresh =
+                              read_register(REG_FIFOTHRESH) & 0x3F;
+
+            break;
+
+        case MODEM_LORA:
+
+            if (_rf_settings.lora.freq_hop_on == true) {
+                write_to_register(REG_LR_IRQFLAGSMASK,
+                                  RFLR_IRQFLAGS_RXTIMEOUT |
+                                  RFLR_IRQFLAGS_RXDONE |
+                                  RFLR_IRQFLAGS_PAYLOADCRCERROR |
+                                  RFLR_IRQFLAGS_VALIDHEADER |
+                                  RFLR_IRQFLAGS_CADDONE |
+                                  RFLR_IRQFLAGS_CADDETECTED);
+
+                // DIO0=tx_done, DIO2=fhss_change_channel
+
+                write_to_register(REG_DIOMAPPING1, (read_register(REG_DIOMAPPING1) &
+                                  RFLR_DIOMAPPING1_DIO0_MASK &
+                                  RFLR_DIOMAPPING1_DIO2_MASK) |
+                                  RFLR_DIOMAPPING1_DIO0_01 |
+                                  RFLR_DIOMAPPING1_DIO2_01);
+            } else {
+                write_to_register(REG_LR_IRQFLAGSMASK,
+                                  RFLR_IRQFLAGS_RXTIMEOUT |
+                                  RFLR_IRQFLAGS_RXDONE |
+                                  RFLR_IRQFLAGS_PAYLOADCRCERROR |
+                                  RFLR_IRQFLAGS_VALIDHEADER |
+                                  RFLR_IRQFLAGS_CADDONE |
+                                  RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL |
+                                  RFLR_IRQFLAGS_CADDETECTED);
+
+                // DIO0=tx_done
+                write_to_register(REG_DIOMAPPING1,(read_register(REG_DIOMAPPING1) &
+                                  RFLR_DIOMAPPING1_DIO0_MASK) |
+                                  RFLR_DIOMAPPING1_DIO0_01);
+            }
+
+            break;
+    }
+
+    _rf_settings.state = RF_TX_RUNNING;
+    tx_timeout_timer.attach_us(callback(this, &SX1272_LoRaRadio::timeout_irq_isr),
+                               timeout * 1000);
+    set_operation_mode(RF_OPMODE_TRANSMITTER);
+}
+
+/**
+ * Sets the radio module in receive mode
+ *
+ * A DIO4 interrupt let's the state machine know that a preamble is detected
+ * and finally a DIO0 interrupt let's the state machine know that a packet is
+ * ready to be read from the FIFO
+ */
+void SX1272_LoRaRadio::receive(void)
+{
+    switch (_rf_settings.modem) {
+        case MODEM_FSK:
+            // DIO0=PayloadReady
+            // DIO1=FifoLevel
+            // DIO2=RxTimeout
+            // DIO3=FifoEmpty
+            // DIO4=Preamble
+            // DIO5=ModeReady
+            write_to_register(REG_DIOMAPPING1, (read_register(REG_DIOMAPPING1) &
+                              RF_DIOMAPPING1_DIO0_MASK &
+                              RF_DIOMAPPING1_DIO1_MASK &
+                              RF_DIOMAPPING1_DIO2_MASK) |
+                              RF_DIOMAPPING1_DIO0_00 |
+                              RF_DIOMAPPING1_DIO1_00 |
+                              RF_DIOMAPPING1_DIO2_10);
+
+            write_to_register(REG_DIOMAPPING2, (read_register(REG_DIOMAPPING2) &
+                              RF_DIOMAPPING2_DIO4_MASK &
+                              RF_DIOMAPPING2_MAP_MASK) |
+                              RF_DIOMAPPING2_DIO4_11 |
+                              RF_DIOMAPPING2_MAP_PREAMBLEDETECT);
+
+            _rf_settings.fsk_packet_handler.fifo_thresh =
+                              read_register(REG_FIFOTHRESH) & 0x3F;
+
+            write_to_register(REG_RXCONFIG, RF_RXCONFIG_AFCAUTO_ON |
+                              RF_RXCONFIG_AGCAUTO_ON |
+                              RF_RXCONFIG_RXTRIGER_PREAMBLEDETECT);
+
+            if (!_rf_settings.fsk.rx_continuous) {
+                // the value for rx timeout in symbols cannot be more than 255
+                // as the preamble length is fixed. We assert here for quick
+                // diagnostics
+                MBED_ASSERT(_rf_settings.fsk.rx_single_timeout <= 255);
+                write_to_register(REG_RXTIMEOUT2, _rf_settings.fsk.rx_single_timeout);
+                write_to_register(REG_RXTIMEOUT3, 0x00);
+                write_to_register(REG_RXTIMEOUT1, 0x00);
+            }
+
+            _rf_settings.fsk_packet_handler.preamble_detected = 0;
+            _rf_settings.fsk_packet_handler.sync_word_detected = 0;
+            _rf_settings.fsk_packet_handler.nb_bytes = 0;
+            _rf_settings.fsk_packet_handler.size = 0;
+
+            break;
+
+        case MODEM_LORA:
+
+            if (_rf_settings.lora.iq_inverted == true) {
+                write_to_register(REG_LR_INVERTIQ, ((read_register(REG_LR_INVERTIQ) &
+                                  RFLR_INVERTIQ_TX_MASK &
+                                  RFLR_INVERTIQ_RX_MASK) |
+                                  RFLR_INVERTIQ_RX_ON |
+                                  RFLR_INVERTIQ_TX_OFF));
+                write_to_register(REG_LR_INVERTIQ2, RFLR_INVERTIQ2_ON);
+            } else {
+                write_to_register(REG_LR_INVERTIQ, ((read_register(REG_LR_INVERTIQ) &
+                                  RFLR_INVERTIQ_TX_MASK &
+                                  RFLR_INVERTIQ_RX_MASK) |
+                                  RFLR_INVERTIQ_RX_OFF |
+                                  RFLR_INVERTIQ_TX_OFF));
+                write_to_register( REG_LR_INVERTIQ2, RFLR_INVERTIQ2_OFF);
+            }
+
+            if (_rf_settings.lora.freq_hop_on == true) {
+                write_to_register(REG_LR_IRQFLAGSMASK,
+                                  RFLR_IRQFLAGS_VALIDHEADER |
+                                  RFLR_IRQFLAGS_TXDONE |
+                                  RFLR_IRQFLAGS_CADDONE |
+                                  RFLR_IRQFLAGS_CADDETECTED);
+
+                // DIO0=rx_done, DIO2=fhss_change_channel
+                write_to_register(REG_DIOMAPPING1, (read_register(REG_DIOMAPPING1) &
+                                  RFLR_DIOMAPPING1_DIO0_MASK &
+                                  RFLR_DIOMAPPING1_DIO2_MASK) |
+                                  RFLR_DIOMAPPING1_DIO0_00 |
+                                  RFLR_DIOMAPPING1_DIO2_00);
+            } else {
+                write_to_register(REG_LR_IRQFLAGSMASK,
+                                  RFLR_IRQFLAGS_VALIDHEADER |
+                                  RFLR_IRQFLAGS_TXDONE |
+                                  RFLR_IRQFLAGS_CADDONE |
+                                  RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL |
+                                  RFLR_IRQFLAGS_CADDETECTED);
+
+                // DIO0=rx_done
+                write_to_register(REG_DIOMAPPING1, (read_register(REG_DIOMAPPING1) &
+                                  RFLR_DIOMAPPING1_DIO0_MASK) |
+                                  RFLR_DIOMAPPING1_DIO0_00);
+            }
+
+            write_to_register(REG_LR_FIFORXBASEADDR, 0);
+            write_to_register(REG_LR_FIFOADDRPTR, 0);
+
+            break;
+    }
+
+    memset(_data_buffer, 0, (size_t) MAX_DATA_BUFFER_SIZE_SX172);
+
+    _rf_settings.state = RF_RX_RUNNING;
+
+    if (_rf_settings.modem == MODEM_FSK) {
+        set_operation_mode(RF_OPMODE_RECEIVER);
+        return;
+    }
+
+    // If mode is LoRa set mode
+    if (_rf_settings.lora.rx_continuous == true) {
+        set_operation_mode(RFLR_OPMODE_RECEIVER);
+    } else {
+        set_operation_mode(RFLR_OPMODE_RECEIVER_SINGLE);
+    }
+}
+
+/**
+ * Puts a limit on the size of payload the module can handle
+ * By default it is MAX, i.e., 256 bytes
+ */
+void SX1272_LoRaRadio::set_max_payload_length(radio_modems_t modem, uint8_t max)
+{
+    set_modem(modem);
+
+    switch (modem) {
+        case MODEM_FSK:
+            if (_rf_settings.fsk.fix_len == false) {
+                write_to_register(REG_PAYLOADLENGTH, max);
+            }
+            break;
+        case MODEM_LORA:
+            write_to_register(REG_LR_PAYLOADMAXLENGTH, max);
+            break;
+    }
+}
+
+/**
+ * TODO: Making sure if this API is valid only for LoRa modulation ?
+ *
+ * Indicates if the node is part of a private or public network
+ */
+void SX1272_LoRaRadio::set_public_network(bool enable)
+{
+    set_modem(MODEM_LORA);
+
+    _rf_settings.lora.public_network = enable;
+    if (enable == true) {
+        // Change lora modem SyncWord
+        write_to_register(REG_LR_SYNCWORD, LORA_MAC_PUBLIC_SYNCWORD);
+    } else {
+        // Change lora modem SyncWord
+        write_to_register(REG_LR_SYNCWORD, LORA_MAC_PRIVATE_SYNCWORD);
+    }
+
+}
+
+/**
+ * Perform carrier sensing
+ *
+ * Checks for a certain time if the RSSI is above a given threshold.
+ * This threshold determines if there is already a transmission going on
+ * in the channel or not.
+ *
+ */
+bool SX1272_LoRaRadio::perform_carrier_sense(radio_modems_t modem,
+                                   uint32_t freq,
+                                   int16_t rssi_threshold,
+                                   uint32_t max_carrier_sense_time)
+{
+    bool status = true;
+    int16_t rssi = 0;
+
+    set_modem(modem);
+    set_channel(freq);
+    set_operation_mode(RF_OPMODE_RECEIVER);
+
+    // hold on a bit, radio turn-around time
+    wait_ms(1);
+
+    Timer elapsed_time;
+    elapsed_time.start();
+
+    // Perform carrier sense for maxCarrierSenseTime
+    while (elapsed_time.read_ms() < (int)max_carrier_sense_time) {
+        rssi = get_rssi(modem);
+
+        if (rssi > rssi_threshold) {
+            status = false;
+            break;
+        }
+    }
+
+    sleep();
+    return status;
+}
+
+/**
+ * Channel Activity detection (can be done only in LoRa mode)
+ *
+ * If any activity on the channel is detected, an interrupt is asserted on
+ * DIO3. A callback will be generated to the stack/application upon the
+ * assertion of DIO3.
+ */
+void SX1272_LoRaRadio::start_cad()
+{
+    uint8_t reg_val;
+
+    switch (_rf_settings.modem) {
+        case MODEM_FSK:
+            break;
+        case MODEM_LORA:
+            write_to_register(REG_LR_IRQFLAGSMASK,
+                              RFLR_IRQFLAGS_RXTIMEOUT |
+                              RFLR_IRQFLAGS_RXDONE |
+                              RFLR_IRQFLAGS_PAYLOADCRCERROR |
+                              RFLR_IRQFLAGS_VALIDHEADER |
+                              RFLR_IRQFLAGS_TXDONE |
+                              RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL);
+
+            // DIO3=CADDone
+            reg_val = read_register(REG_DIOMAPPING1);
+            write_to_register(REG_DIOMAPPING1, (reg_val &
+                              RFLR_DIOMAPPING1_DIO3_MASK) |
+                              RFLR_DIOMAPPING1_DIO3_00);
+
+            set_operation_mode(RFLR_OPMODE_CAD);
+
+            _rf_settings.state = RF_CAD;
+
+            break;
+        default:
+            break;
+    }
+}
+
+/**
+ * Set transmission in continuous wave mode
+ */
+void SX1272_LoRaRadio::set_tx_continuous_wave(uint32_t freq, int8_t power,
+                                              uint16_t time)
+{
+    uint8_t reg_val;
+
+    set_channel(freq);
+    set_tx_config(MODEM_FSK, power, 0, 0, 4800, 0, 5, false, false, 0, 0, 0, time * 1000);
+    reg_val = read_register(REG_PACKETCONFIG2);
+
+    write_to_register( REG_PACKETCONFIG2, (reg_val & RF_PACKETCONFIG2_DATAMODE_MASK ) );
+    // Disable radio interrupts
+    write_to_register( REG_DIOMAPPING1, RF_DIOMAPPING1_DIO0_11 | RF_DIOMAPPING1_DIO1_11 );
+    write_to_register( REG_DIOMAPPING2, RF_DIOMAPPING2_DIO4_10 | RF_DIOMAPPING2_DIO5_10 );
+
+    _rf_settings.state = RF_TX_RUNNING;
+    tx_timeout_timer.attach_us(callback(this, &SX1272_LoRaRadio::timeout_irq_isr), time * 1000000);
+    set_operation_mode(RF_OPMODE_TRANSMITTER);
+}
+
+/**
+ * Put radio in Standby mode
+ */
+void SX1272_LoRaRadio::standby( void )
+{
+    tx_timeout_timer.detach();
+    set_operation_mode(RF_OPMODE_STANDBY);
+    _rf_settings.state = RF_IDLE;
+}
+
+/**
+ * Generates 32 bit random number based upon RSSI monitoring
+ * Used for various calculation by the stack for example dev nonce
+ *
+ * When this API is used modem is set in LoRa mode and all interrupts are
+ * masked. If the user had been using FSK mode, it should be noted that a
+ * change of mode is required again because the registers have changed.
+ * In addition to that RX and TX configuration APIs should be called again in
+ * order to have correct desires setup.
+ */
+uint32_t SX1272_LoRaRadio::random()
+{
+    uint8_t i;
+    uint32_t rnd = 0;
+
+    // Set LoRa modem ON
+    set_modem(MODEM_LORA);
+
+    // Disable LoRa modem interrupts, i.e., mask all interrupts
+    write_to_register(REG_LR_IRQFLAGSMASK, RFLR_IRQFLAGS_RXTIMEOUT | RFLR_IRQFLAGS_RXDONE
+                      | RFLR_IRQFLAGS_PAYLOADCRCERROR | RFLR_IRQFLAGS_VALIDHEADER
+                      | RFLR_IRQFLAGS_TXDONE | RFLR_IRQFLAGS_CADDONE
+                      | RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL | RFLR_IRQFLAGS_CADDETECTED);
+
+    // Set radio in continuous reception
+    set_operation_mode(RF_OPMODE_RECEIVER);
+
+    for (i = 0; i < 32; i++) {
+        wait_ms(1);
+        // Unfiltered RSSI value reading. Only takes the LSB value
+        rnd |= ((uint32_t) read_register(REG_LR_RSSIWIDEBAND) & 0x01) << i;
+    }
+
+    sleep();
+
+    return rnd;
+}
+
+
+/*****************************************************************************
+ * Private APIs                                                              *
+ ****************************************************************************/
+#ifdef MBED_CONF_RTOS_PRESENT
+/**
+ * Thread task handling IRQs
+ */
+void SX1272_LoRaRadio::rf_irq_task(void)
+{
+    for (;;) {
+        osEvent event = irq_thread.signal_wait(0, osWaitForever);
+        if (event.status != osEventSignal) {
+            continue;
+        }
+
+        lock();
+        if (event.value.signals & SIG_DIO0) {
+            handle_dio0_irq();
+        }
+        if (event.value.signals & SIG_DIO1) {
+            handle_dio1_irq();
+        }
+        if (event.value.signals & SIG_DIO2) {
+            handle_dio2_irq();
+        }
+        if (event.value.signals & SIG_DIO3) {
+            handle_dio3_irq();
+        }
+        if (event.value.signals & SIG_DIO4) {
+            handle_dio4_irq();
+        }
+        if (event.value.signals & SIG_DIO5) {
+            handle_dio5_irq();
+        }
+        if (event.value.signals & SIG_TIMOUT) {
+            handle_timeout_irq();
+        }
+        unlock();
+    }
+}
+#endif
+
+/**
+ * Writes a single byte to a given register
+ */
+void SX1272_LoRaRadio::write_to_register(uint8_t addr, uint8_t data)
+{
+    write_to_register(addr, &data, 1);
+}
+
+/**
+ * Writes multiple bytes to a given register
+ */
+void SX1272_LoRaRadio::write_to_register(uint8_t addr, uint8_t *data, uint8_t size)
+{
+    // set chip-select low
+    _chip_select = 0;
+
+    // set write command
+    _spi.write(addr | SPI_WRITE_CMD);
+
+    // write data
+    for (uint8_t i = 0; i < size; i++) {
+        _spi.write(data[i]);
+    }
+
+    // set chip-select high
+    _chip_select = 1;
+}
+
+/**
+ * Reads the value of a single register
+ */
+uint8_t SX1272_LoRaRadio::read_register(uint8_t addr)
+{
+    uint8_t data;
+    read_register(addr, &data, 1);
+    return data;
+}
+
+/**
+ * Reads multiple values from a given register
+ */
+void SX1272_LoRaRadio::read_register(uint8_t addr, uint8_t *buffer, uint8_t size)
+{
+    // set chip-select low
+    _chip_select = 0;
+
+    // set read command
+    _spi.write(addr & SPI_READ_CMD);
+
+    // read buffers
+    for (uint8_t i = 0; i < size; i++) {
+        buffer[i] = _spi.write(0);
+    }
+
+    // set chip-select high
+    _chip_select = 1;
+}
+
+/**
+ * Writes to FIIO provided by the chip
+ */
+void SX1272_LoRaRadio::write_fifo(uint8_t *buffer, uint8_t size)
+{
+    write_to_register(0, buffer, size);
+}
+
+/**
+ * Reads from the FIFO provided by the chip
+ */
+void SX1272_LoRaRadio::read_fifo(uint8_t *buffer, uint8_t size)
+{
+    read_register(0, buffer, size);
+}
+
+/**
+ * Gets FSK bandwidth values
+ *
+ * Gives either normal bandwidths or bandwidths for
+ * AFC (auto frequency correction)
+ */
+uint8_t SX1272_LoRaRadio::get_fsk_bw_reg_val(uint32_t bandwidth)
+{
+    uint8_t i;
+
+    for (i = 0; i < (sizeof(fsk_bandwidths) / sizeof(fsk_bw_t)) - 1; i++) {
+        if ((bandwidth >= fsk_bandwidths[i].bandwidth)
+                && (bandwidth < fsk_bandwidths[i + 1].bandwidth)) {
+            return fsk_bandwidths[i].register_value;
+        }
+    }
+    // ERROR: Value not found
+    // This should never happen
+    while (1);
+}
+
+/**
+ * Sets the radio modules to default position (off)
+ *
+ * Historically they were being called as Antenna switches, so we kept the name.
+ * In essence these are control latches over duplexer which either let
+ * TX submodule or RX submodule circuitry enabled at a time.
+ */
+void SX1272_LoRaRadio::default_antenna_switch_ctrls()
+{
+    if (_rf_ctrls.pwr_amp_ctl != NC) {
+        _pwr_amp_ctl = 0;
+    }
+
+    if (_rf_ctrls.rf_switch_ctl1 != NC && _rf_ctrls.rf_switch_ctl2 != NC) {
+        _rf_switch_ctl1 = 0;
+        _rf_switch_ctl2 = 0;
+    }
+
+    if (_rf_ctrls.txctl != NC && _rf_ctrls.rxctl != NC) {
+        _txctl = 0;
+        _rxctl = 0;
+    }
+}
+
+/**
+ * Gets the power amplifier configuration register
+ */
+uint8_t SX1272_LoRaRadio::get_pa_conf_reg()
+{
+    if (radio_variant == SX1272UNDEFINED) {
+        return RF_PACONFIG_PASELECT_PABOOST;
+    } else if (radio_variant == SX1272MB1DCS) {
+        return RF_PACONFIG_PASELECT_PABOOST;
+    } else {
+        return RF_PACONFIG_PASELECT_RFO;
+    }
+}
+
+/**
+ * Get RSSI from the module
+ */
+int16_t SX1272_LoRaRadio::get_rssi(radio_modems_t modem)
+{
+    int16_t rssi = 0;
+
+    switch( modem )
+    {
+    case MODEM_FSK:
+        rssi = -(read_register(REG_RSSIVALUE) >> 1 );
+        break;
+    case MODEM_LORA:
+        rssi = RSSI_OFFSET + read_register(REG_LR_RSSIVALUE);
+        break;
+    default:
+        rssi = -1;
+        break;
+    }
+    return rssi;
+}
+
+/**
+ * Sets the transmit power for the module
+ */
+#if defined ( TARGET_MOTE_L152RC )
+static const uint8_t pa_boost_table[20] = {0, 0, 0, 0, 0, 1, 2, 3, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15};
+static const uint8_t RFO_table[11] = {1, 1, 1, 2, 2, 3, 4, 5, 6, 8, 9};
+#endif
+
+void SX1272_LoRaRadio::set_rf_tx_power(int8_t power)
+{
+    uint8_t pa_config = 0;
+    uint8_t pa_dac = 0;
+
+    pa_config = read_register(REG_PACONFIG);
+    pa_dac = read_register(REG_PADAC);
+
+#if defined ( TARGET_MOTE_L152RC )
+    if(power > 19) {
+        pa_config = (pa_config & RF_PACONFIG_PASELECT_MASK) | RF_PACONFIG_PASELECT_RFO;
+        pa_config = (pa_config & RFLR_PACONFIG_OUTPUTPOWER_MASK) | RFO_table[power - 20];
+    }
+    else
+    {
+        pa_config = (pa_config & RF_PACONFIG_PASELECT_MASK) | RF_PACONFIG_PASELECT_PABOOST;
+        pa_config = (pa_config & RFLR_PACONFIG_OUTPUTPOWER_MASK) | pa_boost_table[power];
+    }
+#else
+    pa_config = (pa_config & RF_PACONFIG_PASELECT_MASK) | get_pa_conf_reg();
+
+    if ((pa_config & RF_PACONFIG_PASELECT_PABOOST)
+            == RF_PACONFIG_PASELECT_PABOOST) {
+        if (power > 17) {
+            pa_dac = (pa_dac & RF_PADAC_20DBM_MASK) | RF_PADAC_20DBM_ON;
+        } else {
+            pa_dac = (pa_dac & RF_PADAC_20DBM_MASK) | RF_PADAC_20DBM_OFF;
+        }
+        if ((pa_dac & RF_PADAC_20DBM_ON) == RF_PADAC_20DBM_ON) {
+            if (power < 5) {
+                power = 5;
+            }
+            if (power > 20) {
+                power = 20;
+            }
+            pa_config = (pa_config & RFLR_PACONFIG_OUTPUTPOWER_MASK)
+                    | (uint8_t) ((uint16_t) (power - 5) & 0x0F);
+        } else {
+            if (power < 2) {
+                power = 2;
+            }
+            if (power > 17) {
+                power = 17;
+            }
+            pa_config = (pa_config & RFLR_PACONFIG_OUTPUTPOWER_MASK)
+                    | (uint8_t) ((uint16_t) (power - 2) & 0x0F);
+        }
+    } else {
+        if (power < -1) {
+            power = -1;
+        }
+        if (power > 14) {
+            power = 14;
+        }
+        pa_config = (pa_config & RFLR_PACONFIG_OUTPUTPOWER_MASK)
+                | (uint8_t) ((uint16_t) (power + 1) & 0x0F);
+    }
+#endif
+    write_to_register(REG_PACONFIG, pa_config);
+    write_to_register(REG_PADAC, pa_dac);
+}
+
+/**
+ * Sets the radio registers to defaults
+ */
+void SX1272_LoRaRadio::setup_registers()
+{
+    for (unsigned int i = 0; i < sizeof(radio_reg_init) / sizeof(radio_registers_t); i++) {
+        set_modem(radio_reg_init[i].modem);
+        write_to_register(radio_reg_init[i].addr, radio_reg_init[i].value);
+    }
+}
+
+/**
+ * Set the radio module variant
+ */
+void SX1272_LoRaRadio::set_sx1272_variant_type()
+{
+    if (_rf_ctrls.ant_switch != NC){
+        _ant_switch.input();
+        wait_ms(1);
+        if (_ant_switch == 1) {
+            radio_variant = SX1272MB1DCS;
+        } else {
+            radio_variant = SX1272MB2XAS;
+        }
+        _ant_switch.output();
+        wait_ms(1);
+    } else {
+        radio_variant = SX1272UNDEFINED;
+    }
+}
+
+/**
+ * Sets up radio latch position according to the
+ * radio mode
+ */
+void SX1272_LoRaRadio::set_antenna_switch(uint8_t mode)
+{
+    // here we got to do ifdef for changing controls
+    // as some pins might be NC
+    switch (mode) {
+        case RFLR_OPMODE_TRANSMITTER:
+            if (_rf_ctrls.rf_switch_ctl1 != NC
+                && _rf_ctrls.rf_switch_ctl2 != NC) {
+                // module is in transmit mode and RF latch switches
+                // are connected. Check if power amplifier boost is
+                // setup or not
+                if ((read_register(REG_PACONFIG) & RF_PACONFIG_PASELECT_PABOOST)
+                                       == RF_PACONFIG_PASELECT_PABOOST) {
+                    _rf_switch_ctl1 = 1;
+                    _rf_switch_ctl2 = 0;
+                } else {
+                    // power amplifier not selected
+                    _rf_switch_ctl1 = 0;
+                    _rf_switch_ctl2 = 1;
+                }
+            } else if (_rf_ctrls.txctl != NC && _rf_ctrls.rxctl != NC) {
+                // module is in transmit mode and tx/rx submodule control
+                // pins are connected
+                _txctl = 1;
+                _rxctl = 0;
+            } else if (_rf_ctrls.ant_switch != NC){
+                _ant_switch = 1;
+            } else {
+                // None of the control pins are connected.
+            }
+            break;
+        case RFLR_OPMODE_RECEIVER:
+        case RFLR_OPMODE_RECEIVER_SINGLE:
+        case RFLR_OPMODE_CAD:
+            if (_rf_ctrls.rf_switch_ctl1 != NC
+                && _rf_ctrls.rf_switch_ctl2 != NC) {
+                // radio is in reception or CAD mode and RF latch switches
+                // are connected
+                _rf_switch_ctl1 = 1;
+                _rf_switch_ctl2 = 1;
+            } else if (_rf_ctrls.txctl != NC && _rf_ctrls.rxctl != NC) {
+                _txctl = 0;
+                _rxctl = 1;
+            } else if (_rf_ctrls.ant_switch != NC) {
+                _ant_switch = 0;
+            } else {
+                // None of the control pins are connected.
+            }
+            break;
+        default:
+            // Enforce default case  when any connected control pin is kept low.
+            if (_rf_ctrls.rf_switch_ctl1 != NC
+                && _rf_ctrls.rf_switch_ctl2 != NC) {
+                // radio is in reception or CAD mode and RF latch switches
+                // are connected
+                _rf_switch_ctl1 = 0;
+                _rf_switch_ctl2 = 0;
+            } else if (_rf_ctrls.txctl != NC && _rf_ctrls.rxctl != NC) {
+                _txctl = 0;
+                _rxctl = 0;
+            } else if (_rf_ctrls.ant_switch != NC) {
+                _ant_switch = 0;
+            } else {
+                // None of the control pins are connected.
+            }
+            break;
+    }
+}
+
+/**
+ * Sets up frequency for SPI module
+ * Reference DataSheet: 4.3 SPI Interface
+ */
+void SX1272_LoRaRadio::setup_spi()
+{
+    // SPI bus frequency
+    uint32_t spi_freq = SPI_FREQUENCY;
+
+    // Hold chip-select high
+    _chip_select = 1;
+    _spi.format(8, 0);
+
+#if defined (TARGET_KL25Z)
+    //bus-clock frequency is halved -> double the SPI frequency to compensate
+    _spi.frequency(spi_freq * 2);
+#else
+    // otherwise use default SPI frequency which is 8 MHz
+    _spi.frequency(spi_freq);
+#endif
+    // 100 us wait to settle down
+    wait(0.1);
+}
+
+/**
+ * Attaches ISRs to interrupt pins
+ */
+void SX1272_LoRaRadio::setup_interrupts()
+{
+    _dio0_ctl.rise(callback(this, &SX1272_LoRaRadio::dio0_irq_isr));
+    _dio1_ctl.rise(callback(this, &SX1272_LoRaRadio::dio1_irq_isr));
+    _dio2_ctl.rise(callback(this, &SX1272_LoRaRadio::dio2_irq_isr));
+    _dio3_ctl.rise(callback(this, &SX1272_LoRaRadio::dio3_irq_isr));
+    if (_dio4_pin != NC) {
+        _dio4_ctl.rise(callback(this, &SX1272_LoRaRadio::dio4_irq_isr));
+    }
+    if (_dio5_pin != NC) {
+        _dio5_ctl.rise(callback(this, &SX1272_LoRaRadio::dio5_irq_isr));
+    }
+}
+
+/**
+ * Sets the module in low power mode by disconnecting
+ * TX and RX submodules, turning off power amplifier etc.
+ */
+void SX1272_LoRaRadio::set_low_power_mode(bool status)
+{
+    if (radio_is_active != status) {
+        radio_is_active = status;
+
+        if (status == false) {
+            if (_rf_ctrls.rf_switch_ctl1 != NC) {
+                _rf_switch_ctl1 = 0;
+            }
+            if (_rf_ctrls.rf_switch_ctl2 != NC) {
+                _rf_switch_ctl2 = 0;
+            }
+
+            if (_rf_ctrls.pwr_amp_ctl != NC) {
+                _pwr_amp_ctl = 0;
+            }
+
+            if (_rf_ctrls.txctl != NC) {
+                _txctl = 0;
+            }
+
+            if (_rf_ctrls.rxctl != NC) {
+                _rxctl = 0;
+            }
+
+            if (_rf_ctrls.ant_switch != NC) {
+                _ant_switch = 0;
+            }
+        } else {
+            default_antenna_switch_ctrls();
+        }
+    }
+}
+
+/*****************************************************************************
+ * Interrupt service routines (ISRs) - set signals to the irq_thread         *
+ ****************************************************************************/
+void SX1272_LoRaRadio::dio0_irq_isr()
+{
+#ifdef MBED_CONF_RTOS_PRESENT
+   irq_thread.signal_set(SIG_DIO0);
+#else
+   handle_dio0_irq();
+#endif
+}
+
+void SX1272_LoRaRadio::dio1_irq_isr()
+{
+#ifdef MBED_CONF_RTOS_PRESENT
+    irq_thread.signal_set(SIG_DIO1);
+#else
+    handle_dio1_irq();
+#endif
+}
+
+void SX1272_LoRaRadio::dio2_irq_isr()
+{
+#ifdef MBED_CONF_RTOS_PRESENT
+    irq_thread.signal_set(SIG_DIO2);
+#else
+    handle_dio2_irq();
+#endif
+}
+
+void SX1272_LoRaRadio::dio3_irq_isr()
+{
+#ifdef MBED_CONF_RTOS_PRESENT
+    irq_thread.signal_set(SIG_DIO3);
+#else
+    handle_dio3_irq();
+#endif
+}
+
+void SX1272_LoRaRadio::dio4_irq_isr()
+{
+#ifdef MBED_CONF_RTOS_PRESENT
+    irq_thread.signal_set(SIG_DIO4);
+#else
+    handle_dio4_irq();
+#endif
+}
+
+void SX1272_LoRaRadio::dio5_irq_isr()
+{
+#ifdef MBED_CONF_RTOS_PRESENT
+    irq_thread.signal_set(SIG_DIO5);
+#else
+    handle_dio5_irq();
+#endif
+}
+
+// This is not a hardware interrupt
+// we invoke it ourselves based upon
+// our timers
+void SX1272_LoRaRadio::timeout_irq_isr()
+{
+#ifdef MBED_CONF_RTOS_PRESENT
+    irq_thread.signal_set(SIG_TIMOUT);
+#else
+    handle_timeout_irq();
+#endif
+}
+
+/******************************************************************************
+ * Interrupt Handlers                                                         *
+ *****************************************************************************/
+
+void SX1272_LoRaRadio::handle_dio0_irq()
+{
+    volatile uint8_t irqFlags = 0;
+
+    switch (_rf_settings.state) {
+        case RF_RX_RUNNING:
+            switch (_rf_settings.modem) {
+                case MODEM_FSK:
+                    if (_rf_settings.fsk.crc_on == true) {
+                        irqFlags = read_register(REG_IRQFLAGS2);
+                        if ((irqFlags & RF_IRQFLAGS2_CRCOK)
+                                != RF_IRQFLAGS2_CRCOK) {
+                            // Clear Irqs
+                            write_to_register(REG_IRQFLAGS1, RF_IRQFLAGS1_RSSI |
+                                              RF_IRQFLAGS1_PREAMBLEDETECT |
+                                              RF_IRQFLAGS1_SYNCADDRESSMATCH);
+                            write_to_register(REG_IRQFLAGS2, RF_IRQFLAGS2_FIFOOVERRUN);
+
+
+                            if (_rf_settings.fsk.rx_continuous == false) {
+                                _rf_settings.state = RF_IDLE;
+                            } else {
+                                // Continuous mode restart Rx chain
+                                write_to_register(REG_RXCONFIG,
+                                                  read_register(REG_RXCONFIG) |
+                                                  RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK);
+                            }
+
+                            if ((_radio_events != NULL)
+                                    && (_radio_events->rx_error)) {
+                                _radio_events->rx_error();
+                            }
+                            _rf_settings.fsk_packet_handler.preamble_detected = 0;
+                            _rf_settings.fsk_packet_handler.sync_word_detected = 0;
+                            _rf_settings.fsk_packet_handler.nb_bytes = 0;
+                            _rf_settings.fsk_packet_handler.size = 0;
+                            // break from here, a CRC error happened, RX_ERROR
+                            // was notified. No need to go any further
+                            break;
+                        }
+                    }
+
+                    // This block was moved from dio2_handler.
+                    // We can have a snapshot of RSSI here as at this point it
+                    // should be more smoothed out.
+                    _rf_settings.fsk_packet_handler.rssi_value = -(read_register(REG_RSSIVALUE) >> 1);
+                    _rf_settings.fsk_packet_handler.afc_value = (int32_t)(float)(((uint16_t)read_register(REG_AFCMSB) << 8) |
+                                                                                   (uint16_t)read_register(REG_AFCLSB)) *
+                                                                                   (float)FREQ_STEP;
+                    _rf_settings.fsk_packet_handler.rx_gain = (read_register(REG_LNA) >> 5) & 0x07;
+
+                    // Read received packet size
+                    if ((_rf_settings.fsk_packet_handler.size == 0)
+                            && (_rf_settings.fsk_packet_handler.nb_bytes == 0)) {
+                        if (_rf_settings.fsk.fix_len == false) {
+                            read_fifo((uint8_t*) &_rf_settings.fsk_packet_handler.size, 1);
+                        } else {
+                            _rf_settings.fsk_packet_handler.size = read_register(REG_PAYLOADLENGTH);
+                        }
+                        read_fifo(_data_buffer + _rf_settings.fsk_packet_handler.nb_bytes,
+                                _rf_settings.fsk_packet_handler.size - _rf_settings.fsk_packet_handler.nb_bytes);
+                        _rf_settings.fsk_packet_handler.nb_bytes +=
+                                (_rf_settings.fsk_packet_handler.size - _rf_settings.fsk_packet_handler.nb_bytes);
+                    } else {
+                        read_fifo(_data_buffer + _rf_settings.fsk_packet_handler.nb_bytes,
+                                _rf_settings.fsk_packet_handler.size - _rf_settings.fsk_packet_handler.nb_bytes);
+                        _rf_settings.fsk_packet_handler.nb_bytes +=
+                                (_rf_settings.fsk_packet_handler.size - _rf_settings.fsk_packet_handler.nb_bytes);
+                    }
+
+                    if (_rf_settings.fsk.rx_continuous == false) {
+                        _rf_settings.state = RF_IDLE;
+                    } else {
+                        // Continuous mode restart Rx chain
+                        write_to_register(REG_RXCONFIG, read_register(REG_RXCONFIG)
+                                        | RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK);
+                    }
+
+                    if ((_radio_events != NULL) && (_radio_events->rx_done)) {
+                        _radio_events->rx_done(
+                                _data_buffer,
+                                _rf_settings.fsk_packet_handler.size,
+                                _rf_settings.fsk_packet_handler.rssi_value, 0);
+                    }
+                    _rf_settings.fsk_packet_handler.preamble_detected = 0;
+                    _rf_settings.fsk_packet_handler.sync_word_detected = 0;
+                    _rf_settings.fsk_packet_handler.nb_bytes = 0;
+                    _rf_settings.fsk_packet_handler.size = 0;
+                    break;
+                case MODEM_LORA: {
+                    int8_t snr = 0;
+
+                    // Clear Irq
+                    write_to_register(REG_LR_IRQFLAGS, RFLR_IRQFLAGS_RXDONE);
+
+                    irqFlags = read_register(REG_LR_IRQFLAGS);
+                    if ((irqFlags & RFLR_IRQFLAGS_PAYLOADCRCERROR_MASK)
+                            == RFLR_IRQFLAGS_PAYLOADCRCERROR) {
+                        // Clear Irq
+                        write_to_register(REG_LR_IRQFLAGS,
+                                          RFLR_IRQFLAGS_PAYLOADCRCERROR);
+
+                        if (_rf_settings.lora.rx_continuous == false) {
+                            _rf_settings.state = RF_IDLE;
+                        }
+
+                        if ((_radio_events != NULL)
+                                && (_radio_events->rx_error)) {
+                            _radio_events->rx_error();
+                        }
+                        break;
+                    }
+
+                    _rf_settings.lora_packet_handler.snr_value = read_register(REG_LR_PKTSNRVALUE);
+                    if (_rf_settings.lora_packet_handler.snr_value & 0x80) // The SNR sign bit is 1
+                            {
+                        // Invert and divide by 4
+                        snr = ((~_rf_settings.lora_packet_handler.snr_value + 1) & 0xFF) >> 2;
+                        snr = -snr;
+                    } else {
+                        // Divide by 4
+                        snr =(_rf_settings.lora_packet_handler.snr_value & 0xFF) >> 2;
+                    }
+
+                    int16_t rssi = read_register(REG_LR_PKTRSSIVALUE);
+                    if (snr < 0) {
+                        _rf_settings.lora_packet_handler.rssi_value =
+                                RSSI_OFFSET + rssi + (rssi >> 4) + snr;
+                    } else {
+                        _rf_settings.lora_packet_handler.rssi_value =
+                                RSSI_OFFSET + rssi + (rssi >> 4);
+                    }
+
+                    _rf_settings.lora_packet_handler.size = read_register(REG_LR_RXNBBYTES);
+                    read_fifo(_data_buffer, _rf_settings.lora_packet_handler.size);
+
+                    if (_rf_settings.lora.rx_continuous == false) {
+                        _rf_settings.state = RF_IDLE;
+                    }
+
+                    if ((_radio_events != NULL)
+                            && (_radio_events->rx_done)) {
+                        _radio_events->rx_done(
+                                _data_buffer,
+                                _rf_settings.lora_packet_handler.size,
+                                _rf_settings.lora_packet_handler.rssi_value,
+                                _rf_settings.lora_packet_handler.snr_value);
+                    }
+                }
+                    break;
+                default:
+                    break;
+            }
+            break;
+        case RF_TX_RUNNING:
+            tx_timeout_timer.detach();
+            // TxDone interrupt
+            switch (_rf_settings.modem) {
+                case MODEM_LORA:
+                    // Clear Irq
+                    write_to_register( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_TXDONE);
+                    // Intentional fall through
+                case MODEM_FSK:
+                default:
+                    _rf_settings.state = RF_IDLE;
+                    if ((_radio_events != NULL)
+                            && (_radio_events->tx_done)) {
+                        _radio_events->tx_done();
+                    }
+                    break;
+            }
+            break;
+        default:
+            break;
+    }
+}
+
+void SX1272_LoRaRadio::handle_dio1_irq()
+{
+
+    switch(_rf_settings.state )
+       {
+           case RF_RX_RUNNING:
+               switch(_rf_settings.modem ) {
+               case MODEM_FSK:
+                   // FifoLevel interrupt
+                   // Read received packet size
+                   if( ( _rf_settings.fsk_packet_handler.size == 0 ) && ( _rf_settings.fsk_packet_handler.nb_bytes == 0 ) )
+                   {
+                       if( _rf_settings.fsk.fix_len == false )
+                       {
+                           read_fifo( ( uint8_t* )&_rf_settings.fsk_packet_handler.size, 1 );
+                       }
+                       else
+                       {
+                           _rf_settings.fsk_packet_handler.size = read_register(REG_PAYLOADLENGTH);
+                       }
+                   }
+
+                   if( ( _rf_settings.fsk_packet_handler.size - _rf_settings.fsk_packet_handler.nb_bytes ) > _rf_settings.fsk_packet_handler.fifo_thresh )
+                   {
+                       read_fifo( ( _data_buffer + _rf_settings.fsk_packet_handler.nb_bytes ), _rf_settings.fsk_packet_handler.fifo_thresh );
+                       _rf_settings.fsk_packet_handler.nb_bytes += _rf_settings.fsk_packet_handler.fifo_thresh;
+                   }
+                   else
+                   {
+                       read_fifo( ( _data_buffer + _rf_settings.fsk_packet_handler.nb_bytes ), _rf_settings.fsk_packet_handler.size - _rf_settings.fsk_packet_handler.nb_bytes );
+                       _rf_settings.fsk_packet_handler.nb_bytes += ( _rf_settings.fsk_packet_handler.size - _rf_settings.fsk_packet_handler.nb_bytes );
+                   }
+                   break;
+               case MODEM_LORA:
+                   // Sync time out
+                   _rf_settings.state = RF_IDLE;
+                   if ((_radio_events != NULL) && (_radio_events->rx_timeout)) {
+                        _radio_events->rx_timeout();
+                    }
+                   break;
+               default:
+                   break;
+               }
+               break;
+           case RF_TX_RUNNING:
+               switch( _rf_settings.modem )
+               {
+               case MODEM_FSK:
+                   // FifoLevel interrupt
+                   if( ( _rf_settings.fsk_packet_handler.size - _rf_settings.fsk_packet_handler.nb_bytes ) > _rf_settings.fsk_packet_handler.chunk_size )
+                   {
+                       write_fifo(( _data_buffer + _rf_settings.fsk_packet_handler.nb_bytes ), _rf_settings.fsk_packet_handler.chunk_size );
+                       _rf_settings.fsk_packet_handler.nb_bytes += _rf_settings.fsk_packet_handler.chunk_size;
+                   }
+                   else
+                   {
+                       // Write the last chunk of data
+                       write_fifo( _data_buffer + _rf_settings.fsk_packet_handler.nb_bytes, _rf_settings.fsk_packet_handler.size - _rf_settings.fsk_packet_handler.nb_bytes );
+                       _rf_settings.fsk_packet_handler.nb_bytes += _rf_settings.fsk_packet_handler.size - _rf_settings.fsk_packet_handler.nb_bytes;
+                   }
+                   break;
+               case MODEM_LORA:
+                   break;
+               default:
+                   break;
+               }
+               break;
+           default:
+               break;
+       }
+}
+
+void SX1272_LoRaRadio::handle_dio2_irq(void)
+{
+    switch(_rf_settings.state )
+    {
+        case RF_RX_RUNNING:
+            switch( _rf_settings.modem )
+            {
+            case MODEM_FSK:
+                _rf_settings.fsk_packet_handler.preamble_detected = 0;
+                _rf_settings.fsk_packet_handler.sync_word_detected = 0;
+                _rf_settings.fsk_packet_handler.nb_bytes = 0;
+                _rf_settings.fsk_packet_handler.size = 0;
+
+                // Clear Irqs
+                write_to_register(REG_IRQFLAGS1, RF_IRQFLAGS1_RSSI |
+                                  RF_IRQFLAGS1_PREAMBLEDETECT |
+                                  RF_IRQFLAGS1_SYNCADDRESSMATCH |
+                                  RF_IRQFLAGS1_TIMEOUT);
+
+                write_to_register( REG_IRQFLAGS2, RF_IRQFLAGS2_FIFOOVERRUN);
+
+                if (_rf_settings.fsk.rx_continuous == true) {
+                    // Continuous mode restart Rx chain
+                    write_to_register( REG_RXCONFIG,
+                                      read_register(REG_RXCONFIG) |
+                                      RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK);
+                } else {
+                    _rf_settings.state = RF_IDLE;
+                }
+
+                if ((_radio_events != NULL)
+                        && (_radio_events->rx_timeout)) {
+                    _radio_events->rx_timeout();
+                }
+
+                break;
+            case MODEM_LORA:
+                if( _rf_settings.lora.freq_hop_on == true )
+                {
+                    // Clear Irq
+                    write_to_register( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL );
+
+                    if( ( _radio_events != NULL ) && (_radio_events->fhss_change_channel ) )
+                    {
+                        _radio_events->fhss_change_channel((read_register( REG_LR_HOPCHANNEL ) & RFLR_HOPCHANNEL_CHANNEL_MASK ));
+                    }
+                }
+                break;
+            default:
+                break;
+            }
+            break;
+        case RF_TX_RUNNING:
+            switch( _rf_settings.modem )
+            {
+            case MODEM_FSK:
+                break;
+            case MODEM_LORA:
+                if( _rf_settings.lora.freq_hop_on == true )
+                {
+                    // Clear Irq
+                    write_to_register( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL );
+
+                    if( (_radio_events != NULL ) && ( _radio_events->fhss_change_channel ) )
+                    {
+                        _radio_events->fhss_change_channel((read_register( REG_LR_HOPCHANNEL ) & RFLR_HOPCHANNEL_CHANNEL_MASK ));
+                    }
+                }
+                break;
+            default:
+                break;
+            }
+            break;
+        default:
+            break;
+    }
+}
+
+void SX1272_LoRaRadio::handle_dio3_irq( void )
+{
+    switch( _rf_settings.modem )
+    {
+    case MODEM_FSK:
+        break;
+    case MODEM_LORA:
+        if( ( read_register( REG_LR_IRQFLAGS ) & RFLR_IRQFLAGS_CADDETECTED ) == RFLR_IRQFLAGS_CADDETECTED )
+        {
+            // Clear Irq
+            write_to_register( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_CADDETECTED | RFLR_IRQFLAGS_CADDONE );
+            if( ( _radio_events != NULL ) && ( _radio_events->cad_done ) )
+            {
+                _radio_events->cad_done( true );
+            }
+        }
+        else
+        {
+            // Clear Irq
+            write_to_register( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_CADDONE );
+            if( ( _radio_events != NULL ) && ( _radio_events->cad_done ) )
+            {
+                _radio_events->cad_done( false );
+            }
+        }
+        break;
+    default:
+        break;
+    }
+}
+
+void SX1272_LoRaRadio::handle_dio4_irq(void)
+{
+    // is asserted when a preamble is detected (FSK modem only)
+    switch (_rf_settings.modem) {
+        case MODEM_FSK: {
+            if (_rf_settings.fsk_packet_handler.preamble_detected == 0) {
+                _rf_settings.fsk_packet_handler.preamble_detected = 1;
+            }
+        }
+            break;
+        case MODEM_LORA:
+            break;
+        default:
+            break;
+    }
+}
+
+void SX1272_LoRaRadio::handle_dio5_irq()
+{
+    switch( _rf_settings.modem )
+    {
+    case MODEM_FSK:
+        break;
+    case MODEM_LORA:
+        break;
+    default:
+        break;
+    }
+}
+
+void SX1272_LoRaRadio::handle_timeout_irq()
+{
+    tx_timeout_timer.detach();
+
+    if (_rf_settings.state == RF_TX_RUNNING) {
+        // Tx timeout shouldn't happen.
+        // But it has been observed that when it happens it is a result of a
+        // corrupted SPI transfer
+        // The workaround is to put the radio in a known state.
+        // Thus, we re-initialize it.
+
+        // Initialize radio default values
+        set_operation_mode(RF_OPMODE_SLEEP);
+
+        setup_registers();
+
+        set_modem(MODEM_FSK);
+
+        // Restore previous network type setting.
+        set_public_network(_rf_settings.lora.public_network);
+
+        _rf_settings.state = RF_IDLE;
+
+        if ((_radio_events != NULL) && (_radio_events->tx_timeout)) {
+            _radio_events->tx_timeout();
+        }
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SX1272/SX1272_LoRaRadio.h	Wed Sep 12 20:02:02 2018 +0000
@@ -0,0 +1,431 @@
+/**
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2013 Semtech
+ ___ _____ _   ___ _  _____ ___  ___  ___ ___
+/ __|_   _/_\ / __| |/ / __/ _ \| _ \/ __| __|
+\__ \ | |/ _ \ (__| ' <| _| (_) |   / (__| _|
+|___/ |_/_/ \_\___|_|\_\_| \___/|_|_\\___|___|
+embedded.connectivity.solutions===============
+
+Description: Radio driver for Semtech SX1272 radio. Implements LoRaRadio class.
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis ( Semtech ), Gregory Cristian ( Semtech ) and Daniel Jaeckle ( STACKFORCE )
+
+
+Copyright (c) 2017, Arm Limited and affiliates.
+
+SPDX-License-Identifier: BSD-3-Clause
+*/
+
+#ifndef SX1272_LORARADIO_H_
+#define SX1272_LORARADIO_H_
+
+#include "PinNames.h"
+#include "InterruptIn.h"
+#include "DigitalOut.h"
+#include "DigitalInOut.h"
+#include "SPI.h"
+#include "Timeout.h"
+#include "platform/PlatformMutex.h"
+#ifdef MBED_CONF_RTOS_PRESENT
+ #include "rtos/Thread.h"
+#endif
+
+#include "lorawan/LoRaRadio.h"
+
+#ifdef MBED_CONF_SX1272_LORA_DRIVER_BUFFER_SIZE
+#define MAX_DATA_BUFFER_SIZE_SX172                        MBED_CONF_SX1272_LORA_DRIVER_BUFFER_SIZE
+#else
+#define MAX_DATA_BUFFER_SIZE_SX172                        255
+#endif
+
+/**
+ * Radio driver implementation for Semtech SX1272 plus variants.
+ * Supports only SPI at the moment. Implements pure virtual LoRaRadio class.
+ */
+class SX1272_LoRaRadio: public LoRaRadio {
+public:
+    /**
+     * Use this constructor if pin definitions are provided manually.
+     * The pins that are marked NC are optional. It is assumed that these
+     * pins are not connected until/unless configured otherwise.
+     */
+    SX1272_LoRaRadio(PinName mosi,
+                     PinName miso,
+                     PinName sclk,
+                     PinName nss,
+                     PinName reset,
+                     PinName dio0,
+                     PinName dio1,
+                     PinName dio2,
+                     PinName dio3,
+                     PinName dio4,
+                     PinName dio5,
+                     PinName rf_switch_ctl1 = NC,
+                     PinName rf_switch_ctl2 = NC,
+                     PinName txctl = NC,
+                     PinName rxctl = NC,
+                     PinName ant_switch = NC,
+                     PinName pwr_amp_ctl = NC,
+                     PinName tcxo = NC);
+
+    /**
+     * Destructor
+     */
+    virtual ~SX1272_LoRaRadio();
+
+    /**
+     * Registers radio events with the Mbed LoRaWAN stack and
+     * undergoes initialization steps if any
+     *
+     *  @param events Structure containing the driver callback functions
+     */
+    virtual void init_radio(radio_events_t *events);
+
+    /**
+     * Resets the radio module
+     */
+    virtual void radio_reset();
+
+    /**
+     *  Put the RF module in sleep mode
+     */
+    virtual void sleep(void);
+
+    /**
+     *  Sets the radio in standby mode
+     */
+    virtual void standby(void);
+
+    /**
+     *  Sets the reception parameters
+     *
+     *  @param modem         Radio modem to be used [0: FSK, 1: LoRa]
+     *  @param bandwidth     Sets the bandwidth
+     *                          FSK : >= 2600 and <= 250000 Hz
+     *                          LoRa: [0: 125 kHz, 1: 250 kHz,
+     *                                 2: 500 kHz, 3: Reserved]
+     *  @param datarate      Sets the Datarate
+     *                          FSK : 600..300000 bits/s
+     *                          LoRa: [6: 64, 7: 128, 8: 256, 9: 512,
+     *                                10: 1024, 11: 2048, 12: 4096  chips]
+     *  @param coderate      Sets the coding rate ( LoRa only )
+     *                          FSK : N/A ( set to 0 )
+     *                          LoRa: [1: 4/5, 2: 4/6, 3: 4/7, 4: 4/8]
+     *  @param bandwidth_afc Sets the AFC Bandwidth ( FSK only )
+     *                          FSK : >= 2600 and <= 250000 Hz
+     *                          LoRa: N/A ( set to 0 )
+     *  @param preamble_len  Sets the Preamble length ( LoRa only )
+     *                          FSK : N/A ( set to 0 )
+     *                          LoRa: Length in symbols ( the hardware adds 4 more symbols )
+     *  @param symb_timeout  Sets the RxSingle timeout value
+     *                          FSK : timeout number of bytes
+     *                          LoRa: timeout in symbols
+     *  @param fixLen        Fixed length packets [0: variable, 1: fixed]
+     *  @param payload_len   Sets payload length when fixed lenght is used
+     *  @param crc_on        Enables/Disables the CRC [0: OFF, 1: ON]
+     *  @param freq_hop_on   Enables disables the intra-packet frequency hopping  [0: OFF, 1: ON] (LoRa only)
+     *  @param hop_period    Number of symbols bewteen each hop (LoRa only)
+     *  @param iq_inverted   Inverts IQ signals ( LoRa only )
+     *                          FSK : N/A ( set to 0 )
+     *                          LoRa: [0: not inverted, 1: inverted]
+     *  @param rx_continuous Sets the reception in continuous mode
+     *                          [false: single mode, true: continuous mode]
+     */
+    virtual void set_rx_config (radio_modems_t modem, uint32_t bandwidth,
+                               uint32_t datarate, uint8_t coderate,
+                               uint32_t bandwidth_afc, uint16_t preamble_len,
+                               uint16_t symb_timeout, bool fix_len,
+                               uint8_t payload_len,
+                               bool crc_on, bool freq_hop_on, uint8_t hop_period,
+                               bool iq_inverted, bool rx_continuous);
+
+    /**
+     *  Sets the transmission parameters
+     *
+     *  @param modem         Radio modem to be used [0: FSK, 1: LoRa]
+     *  @param power         Sets the output power [dBm]
+     *  @param fdev          Sets the frequency deviation ( FSK only )
+     *                          FSK : [Hz]
+     *                          LoRa: 0
+     *  @param bandwidth     Sets the bandwidth ( LoRa only )
+     *                          FSK : 0
+     *                          LoRa: [0: 125 kHz, 1: 250 kHz,
+     *                                 2: 500 kHz, 3: Reserved]
+     *  @param datarate      Sets the Datarate
+     *                          FSK : 600..300000 bits/s
+     *                          LoRa: [6: 64, 7: 128, 8: 256, 9: 512,
+     *                                10: 1024, 11: 2048, 12: 4096  chips]
+     *  @param coderate      Sets the coding rate ( LoRa only )
+     *                          FSK : N/A ( set to 0 )
+     *                          LoRa: [1: 4/5, 2: 4/6, 3: 4/7, 4: 4/8]
+     *  @param preamble_len  Sets the preamble length
+     *  @param fix_len       Fixed length packets [0: variable, 1: fixed]
+     *  @param crc_on        Enables disables the CRC [0: OFF, 1: ON]
+     *  @param freq_hop_on   Enables disables the intra-packet frequency hopping  [0: OFF, 1: ON] (LoRa only)
+     *  @param hop_period    Number of symbols bewteen each hop (LoRa only)
+     *  @param iq_inverted   Inverts IQ signals ( LoRa only )
+     *                          FSK : N/A ( set to 0 )
+     *                          LoRa: [0: not inverted, 1: inverted]
+     *  @param timeout       Transmission timeout [ms]
+     */
+    virtual void set_tx_config(radio_modems_t modem, int8_t power, uint32_t fdev,
+                              uint32_t bandwidth, uint32_t datarate,
+                              uint8_t coderate, uint16_t preamble_len,
+                              bool fix_len, bool crc_on, bool freq_hop_on,
+                              uint8_t hop_period, bool iq_inverted, uint32_t timeout);
+
+    /**
+     *  Sends the buffer of size
+     *
+     *  Prepares the packet to be sent and sets the radio in transmission
+     *
+     *  @param buffer        Buffer pointer
+     *  @param size          Buffer size
+     */
+    virtual void send(uint8_t *buffer, uint8_t size);
+
+    /**
+     * For backwards compatibility
+     */
+    virtual void receive(uint32_t timeout)
+    {
+        (void) timeout;
+        receive();
+    }
+
+    /**
+     * Sets the radio to receive
+     *
+     * All necessary configuration options for receptions are set in
+     * 'set_rx_config(parameters)' API.
+     */
+    virtual void receive(void);
+
+    /**
+     *  Sets the carrier frequency
+     *
+     *  @param freq          Channel RF frequency
+     */
+    virtual void set_channel(uint32_t freq);
+
+    /**
+     *  Generates a 32 bits random value based on the RSSI readings
+     *
+     *  Remark this function sets the radio in LoRa modem mode and disables
+     *         all interrupts.
+     *         After calling this function either Radio.SetRxConfig or
+     *         Radio.SetTxConfig functions must be called.
+     *
+     *  @return             32 bits random value
+     */
+    virtual uint32_t random(void);
+
+    /**
+     *  Get radio status
+     *
+     *  @param status        Radio status [RF_IDLE, RF_RX_RUNNING, RF_TX_RUNNING]
+     *  @return              Return current radio status
+     */
+    virtual uint8_t get_status(void);
+
+    /**
+     *  Sets the maximum payload length
+     *
+     *  @param modem         Radio modem to be used [0: FSK, 1: LoRa]
+     *  @param max           Maximum payload length in bytes
+     */
+    virtual void set_max_payload_length(radio_modems_t modem, uint8_t max);
+
+    /**
+     *  Sets the network to public or private
+     *
+     *  Updates the sync byte. Applies to LoRa modem only
+     *
+     *  @param enable        if true, it enables a public network
+     */
+    virtual void set_public_network(bool enable);
+
+    /**
+     *  Computes the packet time on air for the given payload
+     *
+     *  Remark can only be called once SetRxConfig or SetTxConfig have been called
+     *
+     *  @param modem         Radio modem to be used [0: FSK, 1: LoRa]
+     *  @param pkt_len       Packet payload length
+     *  @return              Computed airTime for the given packet payload length
+     */
+    virtual uint32_t time_on_air(radio_modems_t modem, uint8_t pkt_len);
+
+    /**
+     * Perform carrier sensing
+     *
+     * Checks for a certain time if the RSSI is above a given threshold.
+     * This threshold determines if there is already a transmission going on
+     * in the channel or not.
+     *
+     * @param modem                     Type of the radio modem
+     * @param freq                      Carrier frequency
+     * @param rssi_threshold            Threshold value of RSSI
+     * @param max_carrier_sense_time    time to sense the channel
+     *
+     * @return                          true if there is no active transmission
+     *                                  in the channel, false otherwise
+     */
+    virtual bool perform_carrier_sense(radio_modems_t modem,
+                                       uint32_t freq,
+                                       int16_t rssi_threshold,
+                                       uint32_t max_carrier_sense_time);
+
+    /**
+     *  Sets the radio in CAD mode
+     *
+     */
+    virtual void start_cad(void);
+
+    /**
+     *  Check if the given RF is in range
+     *
+     *  @param frequency       frequency needed to be checked
+     */
+    virtual bool check_rf_frequency(uint32_t frequency);
+
+    /** Sets the radio in continuous wave transmission mode
+     *
+     *  @param freq          Channel RF frequency
+     *  @param power         Sets the output power [dBm]
+     *  @param time          Transmission mode timeout [s]
+     */
+    virtual void set_tx_continuous_wave(uint32_t freq, int8_t power, uint16_t time);
+
+    /**
+     * Acquire exclusive access
+     */
+    virtual void lock(void);
+
+    /**
+     * Release exclusive access
+     */
+    virtual void unlock(void);
+
+private:
+
+    // SPI and chip select control
+    mbed::SPI _spi;
+    mbed::DigitalOut _chip_select;
+
+    // module rest control
+    mbed::DigitalInOut _reset_ctl;
+
+    // Interrupt controls
+    mbed::InterruptIn _dio0_ctl;
+    mbed::InterruptIn _dio1_ctl;
+    mbed::InterruptIn _dio2_ctl;
+    mbed::InterruptIn _dio3_ctl;
+    mbed::InterruptIn _dio4_ctl;
+    mbed::InterruptIn _dio5_ctl;
+
+    // Radio specific controls
+    mbed::DigitalOut _rf_switch_ctl1;
+    mbed::DigitalOut _rf_switch_ctl2;
+    mbed::DigitalOut _txctl;
+    mbed::DigitalOut _rxctl;
+    mbed::DigitalInOut _ant_switch;
+    mbed::DigitalOut _pwr_amp_ctl;
+    mbed::DigitalOut _tcxo;
+
+    // Contains all RF control pin names
+    // This storage is needed even after assigning the
+    // pins to corresponding object, as the driver needs to know
+    // which control pins are connected and which are not. This
+    // variation is inherent to driver because of target configuration.
+    rf_ctrls _rf_ctrls;
+
+    // We need these PinNames as not all modules have those connected
+    PinName _dio4_pin;
+    PinName _dio5_pin;
+
+    // Structure containing all user and network specified settings
+    // for radio module
+    radio_settings_t _rf_settings;
+
+    // Structure containing function pointers to the stack callbacks
+    radio_events_t *_radio_events;
+
+    // Data buffer used for both TX and RX
+    // Size of this buffer is configurable via Mbed config system
+    // Default is 256 bytes
+    uint8_t _data_buffer[MAX_DATA_BUFFER_SIZE_SX172];
+
+    // TX timer in ms. This timer is used as a fail safe for TX.
+    // If the chip fails to transmit, its a fatal error, reflecting
+    // some catastrophic bus failure etc. We wish to have the control
+    // back from the driver in such a case.
+    mbed::Timeout tx_timeout_timer;
+
+#ifdef MBED_CONF_RTOS_PRESENT
+    // Thread to handle interrupts
+    rtos::Thread irq_thread;
+#endif
+
+    // Access protection
+    PlatformMutex mutex;
+
+    uint8_t radio_variant;
+
+    /**
+     * Flag used to set the RF switch control pins in low power mode when the radio is not active.
+     */
+    bool radio_is_active;
+
+    // helper functions
+    void setup_registers();
+    void default_antenna_switch_ctrls();
+    void set_antenna_switch(uint8_t operation_mode);
+    void setup_spi();
+    void gpio_init();
+    void gpio_deinit();
+    void setup_interrupts();
+    void set_modem(uint8_t modem);
+    void set_operation_mode(uint8_t mode);
+    void set_low_power_mode(bool status);
+    void set_sx1272_variant_type();
+    uint8_t get_pa_conf_reg();
+    void set_rf_tx_power(int8_t power);
+    int16_t get_rssi(radio_modems_t modem);
+    uint8_t get_fsk_bw_reg_val(uint32_t bandwidth);
+    void write_to_register(uint8_t addr, uint8_t data);
+    void write_to_register(uint8_t addr, uint8_t *data, uint8_t size);
+    uint8_t read_register(uint8_t addr);
+    void read_register(uint8_t addr, uint8_t *buffer, uint8_t size);
+    void write_fifo(uint8_t *buffer, uint8_t size);
+    void read_fifo(uint8_t *buffer, uint8_t size);
+    void transmit(uint32_t timeout);
+    void rf_irq_task(void);
+
+    // ISRs
+    void  dio0_irq_isr();
+    void  dio1_irq_isr();
+    void  dio2_irq_isr();
+    void  dio3_irq_isr();
+    void  dio4_irq_isr();
+    void  dio5_irq_isr();
+    void  timeout_irq_isr();
+
+    // Handlers called by thread in response to signal
+    void handle_dio0_irq();
+    void handle_dio1_irq();
+    void handle_dio2_irq();
+    void handle_dio3_irq();
+    void handle_dio4_irq();
+    void handle_dio5_irq();
+    void handle_timeout_irq();
+};
+
+#endif /* SX1272_LORARADIO_H_ */
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SX1272/mbed_lib.json	Wed Sep 12 20:02:02 2018 +0000
@@ -0,0 +1,13 @@
+{
+    "name": "sx1272-lora-driver",
+    "config": {
+        "spi-frequency": {
+        	"help": "SPI frequency, Default: 8 MHz",
+        	"value": 8000000
+        },
+        "buffer-size": {
+        	"help": "Max. buffer size the radio can handle, Default: 255 B",
+        	"value": 255
+        }
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SX1272/registers/sx1272Regs-Fsk.h	Wed Sep 12 20:02:02 2018 +0000
@@ -0,0 +1,1138 @@
+/**
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C) 2015 Semtech
+
+Description: SX1272 FSK modem registers and bits definitions
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+
+Copyright (c) 2017, Arm Limited and affiliates.
+
+SPDX-License-Identifier: BSD-3-Clause
+*/
+#ifndef __SX1272_REGS_FSK_H__
+#define __SX1272_REGS_FSK_H__
+
+/*!
+ * ============================================================================
+ * SX1272 Internal registers Address
+ * ============================================================================
+ */
+#define REG_FIFO                                    0x00
+// Common settings
+#define REG_OPMODE                                  0x01
+#define REG_BITRATEMSB                              0x02
+#define REG_BITRATELSB                              0x03
+#define REG_FDEVMSB                                 0x04
+#define REG_FDEVLSB                                 0x05
+#define REG_FRFMSB                                  0x06
+#define REG_FRFMID                                  0x07
+#define REG_FRFLSB                                  0x08
+// Tx settings
+#define REG_PACONFIG                                0x09
+#define REG_PARAMP                                  0x0A
+#define REG_OCP                                     0x0B
+// Rx settings
+#define REG_LNA                                     0x0C
+#define REG_RXCONFIG                                0x0D
+#define REG_RSSICONFIG                              0x0E
+#define REG_RSSICOLLISION                           0x0F
+#define REG_RSSITHRESH                              0x10
+#define REG_RSSIVALUE                               0x11
+#define REG_RXBW                                    0x12
+#define REG_AFCBW                                   0x13
+#define REG_OOKPEAK                                 0x14
+#define REG_OOKFIX                                  0x15
+#define REG_OOKAVG                                  0x16
+#define REG_RES17                                   0x17
+#define REG_RES18                                   0x18
+#define REG_RES19                                   0x19
+#define REG_AFCFEI                                  0x1A
+#define REG_AFCMSB                                  0x1B
+#define REG_AFCLSB                                  0x1C
+#define REG_FEIMSB                                  0x1D
+#define REG_FEILSB                                  0x1E
+#define REG_PREAMBLEDETECT                          0x1F
+#define REG_RXTIMEOUT1                              0x20
+#define REG_RXTIMEOUT2                              0x21
+#define REG_RXTIMEOUT3                              0x22
+#define REG_RXDELAY                                 0x23
+// Oscillator settings
+#define REG_OSC                                     0x24
+// Packet handler settings
+#define REG_PREAMBLEMSB                             0x25
+#define REG_PREAMBLELSB                             0x26
+#define REG_SYNCCONFIG                              0x27
+#define REG_SYNCVALUE1                              0x28
+#define REG_SYNCVALUE2                              0x29
+#define REG_SYNCVALUE3                              0x2A
+#define REG_SYNCVALUE4                              0x2B
+#define REG_SYNCVALUE5                              0x2C
+#define REG_SYNCVALUE6                              0x2D
+#define REG_SYNCVALUE7                              0x2E
+#define REG_SYNCVALUE8                              0x2F
+#define REG_PACKETCONFIG1                           0x30
+#define REG_PACKETCONFIG2                           0x31
+#define REG_PAYLOADLENGTH                           0x32
+#define REG_NODEADRS                                0x33
+#define REG_BROADCASTADRS                           0x34
+#define REG_FIFOTHRESH                              0x35
+// SM settings
+#define REG_SEQCONFIG1                              0x36
+#define REG_SEQCONFIG2                              0x37
+#define REG_TIMERRESOL                              0x38
+#define REG_TIMER1COEF                              0x39
+#define REG_TIMER2COEF                              0x3A
+// Service settings
+#define REG_IMAGECAL                                0x3B
+#define REG_TEMP                                    0x3C
+#define REG_LOWBAT                                  0x3D
+// Status
+#define REG_IRQFLAGS1                               0x3E
+#define REG_IRQFLAGS2                               0x3F
+// I/O settings
+#define REG_DIOMAPPING1                             0x40
+#define REG_DIOMAPPING2                             0x41
+// Version
+#define REG_VERSION                                 0x42
+// Additional settings
+#define REG_AGCREF                                  0x43
+#define REG_AGCTHRESH1                              0x44
+#define REG_AGCTHRESH2                              0x45
+#define REG_AGCTHRESH3                              0x46
+#define REG_PLLHOP                                  0x4B
+#define REG_TCXO                                    0x58
+#define REG_PADAC                                   0x5A
+#define REG_PLL                                     0x5C
+#define REG_PLLLOWPN                                0x5E
+#define REG_FORMERTEMP                              0x6C
+#define REG_BITRATEFRAC                             0x70
+
+/*!
+ * ============================================================================
+ * SX1272 FSK bits control definition
+ * ============================================================================
+ */
+
+/*!
+ * RegFifo
+ */
+
+/*!
+ * RegOpMode
+ */
+#define RF_OPMODE_LONGRANGEMODE_MASK                0x7F
+#define RF_OPMODE_LONGRANGEMODE_OFF                 0x00
+#define RF_OPMODE_LONGRANGEMODE_ON                  0x80
+
+#define RF_OPMODE_MODULATIONTYPE_MASK               0x9F
+#define RF_OPMODE_MODULATIONTYPE_FSK                0x00  // Default
+#define RF_OPMODE_MODULATIONTYPE_OOK                0x20
+
+#define RF_OPMODE_MODULATIONSHAPING_MASK            0xE7
+#define RF_OPMODE_MODULATIONSHAPING_00              0x00  // Default
+#define RF_OPMODE_MODULATIONSHAPING_01              0x08
+#define RF_OPMODE_MODULATIONSHAPING_10              0x10
+#define RF_OPMODE_MODULATIONSHAPING_11              0x18
+
+#define RF_OPMODE_MASK                              0xF8
+#define RF_OPMODE_SLEEP                             0x00
+#define RF_OPMODE_STANDBY                           0x01  // Default
+#define RF_OPMODE_SYNTHESIZER_TX                    0x02
+#define RF_OPMODE_TRANSMITTER                       0x03
+#define RF_OPMODE_SYNTHESIZER_RX                    0x04
+#define RF_OPMODE_RECEIVER                          0x05
+
+/*!
+ * RegBitRate (bits/sec)
+ */
+#define RF_BITRATEMSB_1200_BPS                      0x68
+#define RF_BITRATELSB_1200_BPS                      0x2B
+#define RF_BITRATEMSB_2400_BPS                      0x34
+#define RF_BITRATELSB_2400_BPS                      0x15
+#define RF_BITRATEMSB_4800_BPS                      0x1A  // Default
+#define RF_BITRATELSB_4800_BPS                      0x0B  // Default
+#define RF_BITRATEMSB_9600_BPS                      0x0D
+#define RF_BITRATELSB_9600_BPS                      0x05
+#define RF_BITRATEMSB_15000_BPS                     0x08
+#define RF_BITRATELSB_15000_BPS                     0x55
+#define RF_BITRATEMSB_19200_BPS                     0x06
+#define RF_BITRATELSB_19200_BPS                     0x83
+#define RF_BITRATEMSB_38400_BPS                     0x03
+#define RF_BITRATELSB_38400_BPS                     0x41
+#define RF_BITRATEMSB_76800_BPS                     0x01
+#define RF_BITRATELSB_76800_BPS                     0xA1
+#define RF_BITRATEMSB_153600_BPS                    0x00
+#define RF_BITRATELSB_153600_BPS                    0xD0
+#define RF_BITRATEMSB_57600_BPS                     0x02
+#define RF_BITRATELSB_57600_BPS                     0x2C
+#define RF_BITRATEMSB_115200_BPS                    0x01
+#define RF_BITRATELSB_115200_BPS                    0x16
+#define RF_BITRATEMSB_12500_BPS                     0x0A
+#define RF_BITRATELSB_12500_BPS                     0x00
+#define RF_BITRATEMSB_25000_BPS                     0x05
+#define RF_BITRATELSB_25000_BPS                     0x00
+#define RF_BITRATEMSB_50000_BPS                     0x02
+#define RF_BITRATELSB_50000_BPS                     0x80
+#define RF_BITRATEMSB_100000_BPS                    0x01
+#define RF_BITRATELSB_100000_BPS                    0x40
+#define RF_BITRATEMSB_150000_BPS                    0x00
+#define RF_BITRATELSB_150000_BPS                    0xD5
+#define RF_BITRATEMSB_200000_BPS                    0x00
+#define RF_BITRATELSB_200000_BPS                    0xA0
+#define RF_BITRATEMSB_250000_BPS                    0x00
+#define RF_BITRATELSB_250000_BPS                    0x80
+#define RF_BITRATEMSB_32768_BPS                     0x03
+#define RF_BITRATELSB_32768_BPS                     0xD1
+
+/*!
+ * RegFdev (Hz)
+ */
+#define RF_FDEVMSB_2000_HZ                          0x00
+#define RF_FDEVLSB_2000_HZ                          0x21
+#define RF_FDEVMSB_5000_HZ                          0x00  // Default
+#define RF_FDEVLSB_5000_HZ                          0x52  // Default
+#define RF_FDEVMSB_10000_HZ                         0x00
+#define RF_FDEVLSB_10000_HZ                         0xA4
+#define RF_FDEVMSB_15000_HZ                         0x00
+#define RF_FDEVLSB_15000_HZ                         0xF6
+#define RF_FDEVMSB_20000_HZ                         0x01
+#define RF_FDEVLSB_20000_HZ                         0x48
+#define RF_FDEVMSB_25000_HZ                         0x01
+#define RF_FDEVLSB_25000_HZ                         0x9A
+#define RF_FDEVMSB_30000_HZ                         0x01
+#define RF_FDEVLSB_30000_HZ                         0xEC
+#define RF_FDEVMSB_35000_HZ                         0x02
+#define RF_FDEVLSB_35000_HZ                         0x3D
+#define RF_FDEVMSB_40000_HZ                         0x02
+#define RF_FDEVLSB_40000_HZ                         0x8F
+#define RF_FDEVMSB_45000_HZ                         0x02
+#define RF_FDEVLSB_45000_HZ                         0xE1
+#define RF_FDEVMSB_50000_HZ                         0x03
+#define RF_FDEVLSB_50000_HZ                         0x33
+#define RF_FDEVMSB_55000_HZ                         0x03
+#define RF_FDEVLSB_55000_HZ                         0x85
+#define RF_FDEVMSB_60000_HZ                         0x03
+#define RF_FDEVLSB_60000_HZ                         0xD7
+#define RF_FDEVMSB_65000_HZ                         0x04
+#define RF_FDEVLSB_65000_HZ                         0x29
+#define RF_FDEVMSB_70000_HZ                         0x04
+#define RF_FDEVLSB_70000_HZ                         0x7B
+#define RF_FDEVMSB_75000_HZ                         0x04
+#define RF_FDEVLSB_75000_HZ                         0xCD
+#define RF_FDEVMSB_80000_HZ                         0x05
+#define RF_FDEVLSB_80000_HZ                         0x1F
+#define RF_FDEVMSB_85000_HZ                         0x05
+#define RF_FDEVLSB_85000_HZ                         0x71
+#define RF_FDEVMSB_90000_HZ                         0x05
+#define RF_FDEVLSB_90000_HZ                         0xC3
+#define RF_FDEVMSB_95000_HZ                         0x06
+#define RF_FDEVLSB_95000_HZ                         0x14
+#define RF_FDEVMSB_100000_HZ                        0x06
+#define RF_FDEVLSB_100000_HZ                        0x66
+#define RF_FDEVMSB_110000_HZ                        0x07
+#define RF_FDEVLSB_110000_HZ                        0x0A
+#define RF_FDEVMSB_120000_HZ                        0x07
+#define RF_FDEVLSB_120000_HZ                        0xAE
+#define RF_FDEVMSB_130000_HZ                        0x08
+#define RF_FDEVLSB_130000_HZ                        0x52
+#define RF_FDEVMSB_140000_HZ                        0x08
+#define RF_FDEVLSB_140000_HZ                        0xF6
+#define RF_FDEVMSB_150000_HZ                        0x09
+#define RF_FDEVLSB_150000_HZ                        0x9A
+#define RF_FDEVMSB_160000_HZ                        0x0A
+#define RF_FDEVLSB_160000_HZ                        0x3D
+#define RF_FDEVMSB_170000_HZ                        0x0A
+#define RF_FDEVLSB_170000_HZ                        0xE1
+#define RF_FDEVMSB_180000_HZ                        0x0B
+#define RF_FDEVLSB_180000_HZ                        0x85
+#define RF_FDEVMSB_190000_HZ                        0x0C
+#define RF_FDEVLSB_190000_HZ                        0x29
+#define RF_FDEVMSB_200000_HZ                        0x0C
+#define RF_FDEVLSB_200000_HZ                        0xCD
+
+/*!
+ * RegFrf (MHz)
+ */
+#define RF_FRFMSB_863_MHZ                           0xD7
+#define RF_FRFMID_863_MHZ                           0xC0
+#define RF_FRFLSB_863_MHZ                           0x00
+#define RF_FRFMSB_864_MHZ                           0xD8
+#define RF_FRFMID_864_MHZ                           0x00
+#define RF_FRFLSB_864_MHZ                           0x00
+#define RF_FRFMSB_865_MHZ                           0xD8
+#define RF_FRFMID_865_MHZ                           0x40
+#define RF_FRFLSB_865_MHZ                           0x00
+#define RF_FRFMSB_866_MHZ                           0xD8
+#define RF_FRFMID_866_MHZ                           0x80
+#define RF_FRFLSB_866_MHZ                           0x00
+#define RF_FRFMSB_867_MHZ                           0xD8
+#define RF_FRFMID_867_MHZ                           0xC0
+#define RF_FRFLSB_867_MHZ                           0x00
+#define RF_FRFMSB_868_MHZ                           0xD9
+#define RF_FRFMID_868_MHZ                           0x00
+#define RF_FRFLSB_868_MHZ                           0x00
+#define RF_FRFMSB_869_MHZ                           0xD9
+#define RF_FRFMID_869_MHZ                           0x40
+#define RF_FRFLSB_869_MHZ                           0x00
+#define RF_FRFMSB_870_MHZ                           0xD9
+#define RF_FRFMID_870_MHZ                           0x80
+#define RF_FRFLSB_870_MHZ                           0x00
+
+#define RF_FRFMSB_902_MHZ                           0xE1
+#define RF_FRFMID_902_MHZ                           0x80
+#define RF_FRFLSB_902_MHZ                           0x00
+#define RF_FRFMSB_903_MHZ                           0xE1
+#define RF_FRFMID_903_MHZ                           0xC0
+#define RF_FRFLSB_903_MHZ                           0x00
+#define RF_FRFMSB_904_MHZ                           0xE2
+#define RF_FRFMID_904_MHZ                           0x00
+#define RF_FRFLSB_904_MHZ                           0x00
+#define RF_FRFMSB_905_MHZ                           0xE2
+#define RF_FRFMID_905_MHZ                           0x40
+#define RF_FRFLSB_905_MHZ                           0x00
+#define RF_FRFMSB_906_MHZ                           0xE2
+#define RF_FRFMID_906_MHZ                           0x80
+#define RF_FRFLSB_906_MHZ                           0x00
+#define RF_FRFMSB_907_MHZ                           0xE2
+#define RF_FRFMID_907_MHZ                           0xC0
+#define RF_FRFLSB_907_MHZ                           0x00
+#define RF_FRFMSB_908_MHZ                           0xE3
+#define RF_FRFMID_908_MHZ                           0x00
+#define RF_FRFLSB_908_MHZ                           0x00
+#define RF_FRFMSB_909_MHZ                           0xE3
+#define RF_FRFMID_909_MHZ                           0x40
+#define RF_FRFLSB_909_MHZ                           0x00
+#define RF_FRFMSB_910_MHZ                           0xE3
+#define RF_FRFMID_910_MHZ                           0x80
+#define RF_FRFLSB_910_MHZ                           0x00
+#define RF_FRFMSB_911_MHZ                           0xE3
+#define RF_FRFMID_911_MHZ                           0xC0
+#define RF_FRFLSB_911_MHZ                           0x00
+#define RF_FRFMSB_912_MHZ                           0xE4
+#define RF_FRFMID_912_MHZ                           0x00
+#define RF_FRFLSB_912_MHZ                           0x00
+#define RF_FRFMSB_913_MHZ                           0xE4
+#define RF_FRFMID_913_MHZ                           0x40
+#define RF_FRFLSB_913_MHZ                           0x00
+#define RF_FRFMSB_914_MHZ                           0xE4
+#define RF_FRFMID_914_MHZ                           0x80
+#define RF_FRFLSB_914_MHZ                           0x00
+#define RF_FRFMSB_915_MHZ                           0xE4  // Default
+#define RF_FRFMID_915_MHZ                           0xC0  // Default
+#define RF_FRFLSB_915_MHZ                           0x00  // Default
+#define RF_FRFMSB_916_MHZ                           0xE5
+#define RF_FRFMID_916_MHZ                           0x00
+#define RF_FRFLSB_916_MHZ                           0x00
+#define RF_FRFMSB_917_MHZ                           0xE5
+#define RF_FRFMID_917_MHZ                           0x40
+#define RF_FRFLSB_917_MHZ                           0x00
+#define RF_FRFMSB_918_MHZ                           0xE5
+#define RF_FRFMID_918_MHZ                           0x80
+#define RF_FRFLSB_918_MHZ                           0x00
+#define RF_FRFMSB_919_MHZ                           0xE5
+#define RF_FRFMID_919_MHZ                           0xC0
+#define RF_FRFLSB_919_MHZ                           0x00
+#define RF_FRFMSB_920_MHZ                           0xE6
+#define RF_FRFMID_920_MHZ                           0x00
+#define RF_FRFLSB_920_MHZ                           0x00
+#define RF_FRFMSB_921_MHZ                           0xE6
+#define RF_FRFMID_921_MHZ                           0x40
+#define RF_FRFLSB_921_MHZ                           0x00
+#define RF_FRFMSB_922_MHZ                           0xE6
+#define RF_FRFMID_922_MHZ                           0x80
+#define RF_FRFLSB_922_MHZ                           0x00
+#define RF_FRFMSB_923_MHZ                           0xE6
+#define RF_FRFMID_923_MHZ                           0xC0
+#define RF_FRFLSB_923_MHZ                           0x00
+#define RF_FRFMSB_924_MHZ                           0xE7
+#define RF_FRFMID_924_MHZ                           0x00
+#define RF_FRFLSB_924_MHZ                           0x00
+#define RF_FRFMSB_925_MHZ                           0xE7
+#define RF_FRFMID_925_MHZ                           0x40
+#define RF_FRFLSB_925_MHZ                           0x00
+#define RF_FRFMSB_926_MHZ                           0xE7
+#define RF_FRFMID_926_MHZ                           0x80
+#define RF_FRFLSB_926_MHZ                           0x00
+#define RF_FRFMSB_927_MHZ                           0xE7
+#define RF_FRFMID_927_MHZ                           0xC0
+#define RF_FRFLSB_927_MHZ                           0x00
+#define RF_FRFMSB_928_MHZ                           0xE8
+#define RF_FRFMID_928_MHZ                           0x00
+#define RF_FRFLSB_928_MHZ                           0x00
+
+/*!
+ * RegPaConfig
+ */
+#define RF_PACONFIG_PASELECT_MASK                   0x7F
+#define RF_PACONFIG_PASELECT_PABOOST                0x80
+#define RF_PACONFIG_PASELECT_RFO                    0x00 // Default
+
+#define RF_PACONFIG_OUTPUTPOWER_MASK                0xF0
+
+/*!
+ * RegPaRamp
+ */
+#define RF_PARAMP_LOWPNTXPLL_MASK                   0xEF
+#define RF_PARAMP_LOWPNTXPLL_OFF                    0x10  // Default
+#define RF_PARAMP_LOWPNTXPLL_ON                     0x00
+
+#define RF_PARAMP_MASK                              0xF0
+#define RF_PARAMP_3400_US                           0x00
+#define RF_PARAMP_2000_US                           0x01
+#define RF_PARAMP_1000_US                           0x02
+#define RF_PARAMP_0500_US                           0x03
+#define RF_PARAMP_0250_US                           0x04
+#define RF_PARAMP_0125_US                           0x05
+#define RF_PARAMP_0100_US                           0x06
+#define RF_PARAMP_0062_US                           0x07
+#define RF_PARAMP_0050_US                           0x08
+#define RF_PARAMP_0040_US                           0x09  // Default
+#define RF_PARAMP_0031_US                           0x0A
+#define RF_PARAMP_0025_US                           0x0B
+#define RF_PARAMP_0020_US                           0x0C
+#define RF_PARAMP_0015_US                           0x0D
+#define RF_PARAMP_0012_US                           0x0E
+#define RF_PARAMP_0010_US                           0x0F
+
+/*!
+ * RegOcp
+ */
+#define RF_OCP_MASK                                 0xDF
+#define RF_OCP_ON                                   0x20  // Default
+#define RF_OCP_OFF                                  0x00
+
+#define RF_OCP_TRIM_MASK                            0xE0
+#define RF_OCP_TRIM_045_MA                          0x00
+#define RF_OCP_TRIM_050_MA                          0x01
+#define RF_OCP_TRIM_055_MA                          0x02
+#define RF_OCP_TRIM_060_MA                          0x03
+#define RF_OCP_TRIM_065_MA                          0x04
+#define RF_OCP_TRIM_070_MA                          0x05
+#define RF_OCP_TRIM_075_MA                          0x06
+#define RF_OCP_TRIM_080_MA                          0x07
+#define RF_OCP_TRIM_085_MA                          0x08
+#define RF_OCP_TRIM_090_MA                          0x09
+#define RF_OCP_TRIM_095_MA                          0x0A
+#define RF_OCP_TRIM_100_MA                          0x0B  // Default
+#define RF_OCP_TRIM_105_MA                          0x0C
+#define RF_OCP_TRIM_110_MA                          0x0D
+#define RF_OCP_TRIM_115_MA                          0x0E
+#define RF_OCP_TRIM_120_MA                          0x0F
+#define RF_OCP_TRIM_130_MA                          0x10
+#define RF_OCP_TRIM_140_MA                          0x11
+#define RF_OCP_TRIM_150_MA                          0x12
+#define RF_OCP_TRIM_160_MA                          0x13
+#define RF_OCP_TRIM_170_MA                          0x14
+#define RF_OCP_TRIM_180_MA                          0x15
+#define RF_OCP_TRIM_190_MA                          0x16
+#define RF_OCP_TRIM_200_MA                          0x17
+#define RF_OCP_TRIM_210_MA                          0x18
+#define RF_OCP_TRIM_220_MA                          0x19
+#define RF_OCP_TRIM_230_MA                          0x1A
+#define RF_OCP_TRIM_240_MA                          0x1B
+
+/*!
+ * RegLna
+ */
+#define RF_LNA_GAIN_MASK                            0x1F
+#define RF_LNA_GAIN_G1                              0x20  // Default
+#define RF_LNA_GAIN_G2                              0x40
+#define RF_LNA_GAIN_G3                              0x60
+#define RF_LNA_GAIN_G4                              0x80
+#define RF_LNA_GAIN_G5                              0xA0
+#define RF_LNA_GAIN_G6                              0xC0
+
+#define RF_LNA_BOOST_MASK                           0xFC
+#define RF_LNA_BOOST_OFF                            0x00 // Default
+#define RF_LNA_BOOST_ON                             0x03
+
+/*!
+ * RegRxConfig
+ */
+#define RF_RXCONFIG_RESTARTRXONCOLLISION_MASK       0x7F
+#define RF_RXCONFIG_RESTARTRXONCOLLISION_ON         0x80
+#define RF_RXCONFIG_RESTARTRXONCOLLISION_OFF        0x00 // Default
+
+#define RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK         0x40 // Write only
+
+#define RF_RXCONFIG_RESTARTRXWITHPLLLOCK            0x20 // Write only
+
+#define RF_RXCONFIG_AFCAUTO_MASK                    0xEF
+#define RF_RXCONFIG_AFCAUTO_ON                      0x10
+#define RF_RXCONFIG_AFCAUTO_OFF                     0x00 // Default
+
+#define RF_RXCONFIG_AGCAUTO_MASK                    0xF7
+#define RF_RXCONFIG_AGCAUTO_ON                      0x08 // Default
+#define RF_RXCONFIG_AGCAUTO_OFF                     0x00
+
+#define RF_RXCONFIG_RXTRIGER_MASK                   0xF8
+#define RF_RXCONFIG_RXTRIGER_OFF                    0x00
+#define RF_RXCONFIG_RXTRIGER_RSSI                   0x01
+#define RF_RXCONFIG_RXTRIGER_PREAMBLEDETECT         0x06 // Default
+#define RF_RXCONFIG_RXTRIGER_RSSI_PREAMBLEDETECT    0x07
+
+/*!
+ * RegRssiConfig
+ */
+#define RF_RSSICONFIG_OFFSET_MASK                   0x07
+#define RF_RSSICONFIG_OFFSET_P_00_DB                0x00  // Default
+#define RF_RSSICONFIG_OFFSET_P_01_DB                0x08
+#define RF_RSSICONFIG_OFFSET_P_02_DB                0x10
+#define RF_RSSICONFIG_OFFSET_P_03_DB                0x18
+#define RF_RSSICONFIG_OFFSET_P_04_DB                0x20
+#define RF_RSSICONFIG_OFFSET_P_05_DB                0x28
+#define RF_RSSICONFIG_OFFSET_P_06_DB                0x30
+#define RF_RSSICONFIG_OFFSET_P_07_DB                0x38
+#define RF_RSSICONFIG_OFFSET_P_08_DB                0x40
+#define RF_RSSICONFIG_OFFSET_P_09_DB                0x48
+#define RF_RSSICONFIG_OFFSET_P_10_DB                0x50
+#define RF_RSSICONFIG_OFFSET_P_11_DB                0x58
+#define RF_RSSICONFIG_OFFSET_P_12_DB                0x60
+#define RF_RSSICONFIG_OFFSET_P_13_DB                0x68
+#define RF_RSSICONFIG_OFFSET_P_14_DB                0x70
+#define RF_RSSICONFIG_OFFSET_P_15_DB                0x78
+#define RF_RSSICONFIG_OFFSET_M_16_DB                0x80
+#define RF_RSSICONFIG_OFFSET_M_15_DB                0x88
+#define RF_RSSICONFIG_OFFSET_M_14_DB                0x90
+#define RF_RSSICONFIG_OFFSET_M_13_DB                0x98
+#define RF_RSSICONFIG_OFFSET_M_12_DB                0xA0
+#define RF_RSSICONFIG_OFFSET_M_11_DB                0xA8
+#define RF_RSSICONFIG_OFFSET_M_10_DB                0xB0
+#define RF_RSSICONFIG_OFFSET_M_09_DB                0xB8
+#define RF_RSSICONFIG_OFFSET_M_08_DB                0xC0
+#define RF_RSSICONFIG_OFFSET_M_07_DB                0xC8
+#define RF_RSSICONFIG_OFFSET_M_06_DB                0xD0
+#define RF_RSSICONFIG_OFFSET_M_05_DB                0xD8
+#define RF_RSSICONFIG_OFFSET_M_04_DB                0xE0
+#define RF_RSSICONFIG_OFFSET_M_03_DB                0xE8
+#define RF_RSSICONFIG_OFFSET_M_02_DB                0xF0
+#define RF_RSSICONFIG_OFFSET_M_01_DB                0xF8
+
+#define RF_RSSICONFIG_SMOOTHING_MASK                0xF8
+#define RF_RSSICONFIG_SMOOTHING_2                   0x00
+#define RF_RSSICONFIG_SMOOTHING_4                   0x01
+#define RF_RSSICONFIG_SMOOTHING_8                   0x02  // Default
+#define RF_RSSICONFIG_SMOOTHING_16                  0x03
+#define RF_RSSICONFIG_SMOOTHING_32                  0x04
+#define RF_RSSICONFIG_SMOOTHING_64                  0x05
+#define RF_RSSICONFIG_SMOOTHING_128                 0x06
+#define RF_RSSICONFIG_SMOOTHING_256                 0x07
+
+/*!
+ * RegRssiCollision
+ */
+#define RF_RSSICOLISION_THRESHOLD                   0x0A  // Default
+
+/*!
+ * RegRssiThresh
+ */
+#define RF_RSSITHRESH_THRESHOLD                     0xFF  // Default
+
+/*!
+ * RegRssiValue (Read Only)
+ */
+
+/*!
+ * RegRxBw
+ */
+#define RF_RXBW_MANT_MASK                           0xE7
+#define RF_RXBW_MANT_16                             0x00
+#define RF_RXBW_MANT_20                             0x08
+#define RF_RXBW_MANT_24                             0x10  // Default
+
+#define RF_RXBW_EXP_MASK                            0xF8
+#define RF_RXBW_EXP_0                               0x00
+#define RF_RXBW_EXP_1                               0x01
+#define RF_RXBW_EXP_2                               0x02
+#define RF_RXBW_EXP_3                               0x03
+#define RF_RXBW_EXP_4                               0x04
+#define RF_RXBW_EXP_5                               0x05  // Default
+#define RF_RXBW_EXP_6                               0x06
+#define RF_RXBW_EXP_7                               0x07
+
+/*!
+ * RegAfcBw
+ */
+#define RF_AFCBW_MANTAFC_MASK                       0xE7
+#define RF_AFCBW_MANTAFC_16                         0x00
+#define RF_AFCBW_MANTAFC_20                         0x08  // Default
+#define RF_AFCBW_MANTAFC_24                         0x10
+
+#define RF_AFCBW_EXPAFC_MASK                        0xF8
+#define RF_AFCBW_EXPAFC_0                           0x00
+#define RF_AFCBW_EXPAFC_1                           0x01
+#define RF_AFCBW_EXPAFC_2                           0x02
+#define RF_AFCBW_EXPAFC_3                           0x03  // Default
+#define RF_AFCBW_EXPAFC_4                           0x04
+#define RF_AFCBW_EXPAFC_5                           0x05
+#define RF_AFCBW_EXPAFC_6                           0x06
+#define RF_AFCBW_EXPAFC_7                           0x07
+
+/*!
+ * RegOokPeak
+ */
+#define RF_OOKPEAK_BITSYNC_MASK                     0xDF  // Default
+#define RF_OOKPEAK_BITSYNC_ON                       0x20  // Default
+#define RF_OOKPEAK_BITSYNC_OFF                      0x00
+
+#define RF_OOKPEAK_OOKTHRESHTYPE_MASK               0xE7
+#define RF_OOKPEAK_OOKTHRESHTYPE_FIXED              0x00
+#define RF_OOKPEAK_OOKTHRESHTYPE_PEAK               0x08  // Default
+#define RF_OOKPEAK_OOKTHRESHTYPE_AVERAGE            0x10
+
+#define RF_OOKPEAK_OOKPEAKTHRESHSTEP_MASK           0xF8
+#define RF_OOKPEAK_OOKPEAKTHRESHSTEP_0_5_DB         0x00  // Default
+#define RF_OOKPEAK_OOKPEAKTHRESHSTEP_1_0_DB         0x01
+#define RF_OOKPEAK_OOKPEAKTHRESHSTEP_1_5_DB         0x02
+#define RF_OOKPEAK_OOKPEAKTHRESHSTEP_2_0_DB         0x03
+#define RF_OOKPEAK_OOKPEAKTHRESHSTEP_3_0_DB         0x04
+#define RF_OOKPEAK_OOKPEAKTHRESHSTEP_4_0_DB         0x05
+#define RF_OOKPEAK_OOKPEAKTHRESHSTEP_5_0_DB         0x06
+#define RF_OOKPEAK_OOKPEAKTHRESHSTEP_6_0_DB         0x07
+
+/*!
+ * RegOokFix
+ */
+#define RF_OOKFIX_OOKFIXEDTHRESHOLD                 0x0C  // Default
+
+/*!
+ * RegOokAvg
+ */
+#define RF_OOKAVG_OOKPEAKTHRESHDEC_MASK             0x1F
+#define RF_OOKAVG_OOKPEAKTHRESHDEC_000              0x00  // Default
+#define RF_OOKAVG_OOKPEAKTHRESHDEC_001              0x20
+#define RF_OOKAVG_OOKPEAKTHRESHDEC_010              0x40
+#define RF_OOKAVG_OOKPEAKTHRESHDEC_011              0x60
+#define RF_OOKAVG_OOKPEAKTHRESHDEC_100              0x80
+#define RF_OOKAVG_OOKPEAKTHRESHDEC_101              0xA0
+#define RF_OOKAVG_OOKPEAKTHRESHDEC_110              0xC0
+#define RF_OOKAVG_OOKPEAKTHRESHDEC_111              0xE0
+
+#define RF_OOKAVG_AVERAGEOFFSET_MASK                0xF3
+#define RF_OOKAVG_AVERAGEOFFSET_0_DB                0x00  // Default
+#define RF_OOKAVG_AVERAGEOFFSET_2_DB                0x04
+#define RF_OOKAVG_AVERAGEOFFSET_4_DB                0x08
+#define RF_OOKAVG_AVERAGEOFFSET_6_DB                0x0C
+
+#define RF_OOKAVG_OOKAVERAGETHRESHFILT_MASK         0xFC
+#define RF_OOKAVG_OOKAVERAGETHRESHFILT_00           0x00
+#define RF_OOKAVG_OOKAVERAGETHRESHFILT_01           0x01
+#define RF_OOKAVG_OOKAVERAGETHRESHFILT_10           0x02  // Default
+#define RF_OOKAVG_OOKAVERAGETHRESHFILT_11           0x03
+
+/*!
+ * RegAfcFei
+ */
+#define RF_AFCFEI_AGCSTART                          0x10
+
+#define RF_AFCFEI_AFCCLEAR                          0x02
+
+#define RF_AFCFEI_AFCAUTOCLEAR_MASK                 0xFE
+#define RF_AFCFEI_AFCAUTOCLEAR_ON                   0x01
+#define RF_AFCFEI_AFCAUTOCLEAR_OFF                  0x00  // Default
+
+/*!
+ * RegAfcMsb (Read Only)
+ */
+
+/*!
+ * RegAfcLsb (Read Only)
+ */
+
+/*!
+ * RegFeiMsb (Read Only)
+ */
+
+/*!
+ * RegFeiLsb (Read Only)
+ */
+
+/*!
+ * RegPreambleDetect
+ */
+#define RF_PREAMBLEDETECT_DETECTOR_MASK             0x7F
+#define RF_PREAMBLEDETECT_DETECTOR_ON               0x80  // Default
+#define RF_PREAMBLEDETECT_DETECTOR_OFF              0x00
+
+#define RF_PREAMBLEDETECT_DETECTORSIZE_MASK         0x9F
+#define RF_PREAMBLEDETECT_DETECTORSIZE_1            0x00
+#define RF_PREAMBLEDETECT_DETECTORSIZE_2            0x20  // Default
+#define RF_PREAMBLEDETECT_DETECTORSIZE_3            0x40
+#define RF_PREAMBLEDETECT_DETECTORSIZE_4            0x60
+
+#define RF_PREAMBLEDETECT_DETECTORTOL_MASK          0xE0
+#define RF_PREAMBLEDETECT_DETECTORTOL_0             0x00
+#define RF_PREAMBLEDETECT_DETECTORTOL_1             0x01
+#define RF_PREAMBLEDETECT_DETECTORTOL_2             0x02
+#define RF_PREAMBLEDETECT_DETECTORTOL_3             0x03
+#define RF_PREAMBLEDETECT_DETECTORTOL_4             0x04
+#define RF_PREAMBLEDETECT_DETECTORTOL_5             0x05
+#define RF_PREAMBLEDETECT_DETECTORTOL_6             0x06
+#define RF_PREAMBLEDETECT_DETECTORTOL_7             0x07
+#define RF_PREAMBLEDETECT_DETECTORTOL_8             0x08
+#define RF_PREAMBLEDETECT_DETECTORTOL_9             0x09
+#define RF_PREAMBLEDETECT_DETECTORTOL_10            0x0A  // Default
+#define RF_PREAMBLEDETECT_DETECTORTOL_11            0x0B
+#define RF_PREAMBLEDETECT_DETECTORTOL_12            0x0C
+#define RF_PREAMBLEDETECT_DETECTORTOL_13            0x0D
+#define RF_PREAMBLEDETECT_DETECTORTOL_14            0x0E
+#define RF_PREAMBLEDETECT_DETECTORTOL_15            0x0F
+#define RF_PREAMBLEDETECT_DETECTORTOL_16            0x10
+#define RF_PREAMBLEDETECT_DETECTORTOL_17            0x11
+#define RF_PREAMBLEDETECT_DETECTORTOL_18            0x12
+#define RF_PREAMBLEDETECT_DETECTORTOL_19            0x13
+#define RF_PREAMBLEDETECT_DETECTORTOL_20            0x14
+#define RF_PREAMBLEDETECT_DETECTORTOL_21            0x15
+#define RF_PREAMBLEDETECT_DETECTORTOL_22            0x16
+#define RF_PREAMBLEDETECT_DETECTORTOL_23            0x17
+#define RF_PREAMBLEDETECT_DETECTORTOL_24            0x18
+#define RF_PREAMBLEDETECT_DETECTORTOL_25            0x19
+#define RF_PREAMBLEDETECT_DETECTORTOL_26            0x1A
+#define RF_PREAMBLEDETECT_DETECTORTOL_27            0x1B
+#define RF_PREAMBLEDETECT_DETECTORTOL_28            0x1C
+#define RF_PREAMBLEDETECT_DETECTORTOL_29            0x1D
+#define RF_PREAMBLEDETECT_DETECTORTOL_30            0x1E
+#define RF_PREAMBLEDETECT_DETECTORTOL_31            0x1F
+
+/*!
+ * RegRxTimeout1
+ */
+#define RF_RXTIMEOUT1_TIMEOUTRXRSSI                 0x00  // Default
+
+/*!
+ * RegRxTimeout2
+ */
+#define RF_RXTIMEOUT2_TIMEOUTRXPREAMBLE             0x00  // Default
+
+/*!
+ * RegRxTimeout3
+ */
+#define RF_RXTIMEOUT3_TIMEOUTSIGNALSYNC             0x00  // Default
+
+/*!
+ * RegRxDelay
+ */
+#define RF_RXDELAY_INTERPACKETRXDELAY               0x00  // Default
+
+/*!
+ * RegOsc
+ */
+#define RF_OSC_RCCALSTART                           0x08
+
+#define RF_OSC_CLKOUT_MASK                          0xF8
+#define RF_OSC_CLKOUT_32_MHZ                        0x00
+#define RF_OSC_CLKOUT_16_MHZ                        0x01
+#define RF_OSC_CLKOUT_8_MHZ                         0x02
+#define RF_OSC_CLKOUT_4_MHZ                         0x03
+#define RF_OSC_CLKOUT_2_MHZ                         0x04
+#define RF_OSC_CLKOUT_1_MHZ                         0x05
+#define RF_OSC_CLKOUT_RC                            0x06
+#define RF_OSC_CLKOUT_OFF                           0x07  // Default
+
+/*!
+ * RegPreambleMsb/RegPreambleLsb
+ */
+#define RF_PREAMBLEMSB_SIZE                         0x00  // Default
+#define RF_PREAMBLELSB_SIZE                         0x03  // Default
+
+/*!
+ * RegSyncConfig
+ */
+#define RF_SYNCCONFIG_AUTORESTARTRXMODE_MASK        0x3F
+#define RF_SYNCCONFIG_AUTORESTARTRXMODE_WAITPLL_ON  0x80  // Default
+#define RF_SYNCCONFIG_AUTORESTARTRXMODE_WAITPLL_OFF 0x40
+#define RF_SYNCCONFIG_AUTORESTARTRXMODE_OFF         0x00
+
+
+#define RF_SYNCCONFIG_PREAMBLEPOLARITY_MASK         0xDF
+#define RF_SYNCCONFIG_PREAMBLEPOLARITY_55           0x20
+#define RF_SYNCCONFIG_PREAMBLEPOLARITY_AA           0x00  // Default
+
+#define RF_SYNCCONFIG_SYNC_MASK                     0xEF
+#define RF_SYNCCONFIG_SYNC_ON                       0x10  // Default
+#define RF_SYNCCONFIG_SYNC_OFF                      0x00
+
+#define RF_SYNCCONFIG_FIFOFILLCONDITION_MASK        0xF7
+#define RF_SYNCCONFIG_FIFOFILLCONDITION_AUTO        0x00  // Default
+#define RF_SYNCCONFIG_FIFOFILLCONDITION_MANUAL      0x08
+
+#define RF_SYNCCONFIG_SYNCSIZE_MASK                 0xF8
+#define RF_SYNCCONFIG_SYNCSIZE_1                    0x00
+#define RF_SYNCCONFIG_SYNCSIZE_2                    0x01
+#define RF_SYNCCONFIG_SYNCSIZE_3                    0x02
+#define RF_SYNCCONFIG_SYNCSIZE_4                    0x03  // Default
+#define RF_SYNCCONFIG_SYNCSIZE_5                    0x04
+#define RF_SYNCCONFIG_SYNCSIZE_6                    0x05
+#define RF_SYNCCONFIG_SYNCSIZE_7                    0x06
+#define RF_SYNCCONFIG_SYNCSIZE_8                    0x07
+
+/*!
+ * RegSyncValue1-8
+ */
+#define RF_SYNCVALUE1_SYNCVALUE                     0x01  // Default
+#define RF_SYNCVALUE2_SYNCVALUE                     0x01  // Default
+#define RF_SYNCVALUE3_SYNCVALUE                     0x01  // Default
+#define RF_SYNCVALUE4_SYNCVALUE                     0x01  // Default
+#define RF_SYNCVALUE5_SYNCVALUE                     0x01  // Default
+#define RF_SYNCVALUE6_SYNCVALUE                     0x01  // Default
+#define RF_SYNCVALUE7_SYNCVALUE                     0x01  // Default
+#define RF_SYNCVALUE8_SYNCVALUE                     0x01  // Default
+
+/*!
+ * RegPacketConfig1
+ */
+#define RF_PACKETCONFIG1_PACKETFORMAT_MASK          0x7F
+#define RF_PACKETCONFIG1_PACKETFORMAT_FIXED         0x00
+#define RF_PACKETCONFIG1_PACKETFORMAT_VARIABLE      0x80  // Default
+
+#define RF_PACKETCONFIG1_DCFREE_MASK                0x9F
+#define RF_PACKETCONFIG1_DCFREE_OFF                 0x00  // Default
+#define RF_PACKETCONFIG1_DCFREE_MANCHESTER          0x20
+#define RF_PACKETCONFIG1_DCFREE_WHITENING           0x40
+
+#define RF_PACKETCONFIG1_CRC_MASK                   0xEF
+#define RF_PACKETCONFIG1_CRC_ON                     0x10  // Default
+#define RF_PACKETCONFIG1_CRC_OFF                    0x00
+
+#define RF_PACKETCONFIG1_CRCAUTOCLEAR_MASK          0xF7
+#define RF_PACKETCONFIG1_CRCAUTOCLEAR_ON            0x00  // Default
+#define RF_PACKETCONFIG1_CRCAUTOCLEAR_OFF           0x08
+
+#define RF_PACKETCONFIG1_ADDRSFILTERING_MASK         0xF9
+#define RF_PACKETCONFIG1_ADDRSFILTERING_OFF          0x00  // Default
+#define RF_PACKETCONFIG1_ADDRSFILTERING_NODE         0x02
+#define RF_PACKETCONFIG1_ADDRSFILTERING_NODEBROADCAST 0x04
+
+#define RF_PACKETCONFIG1_CRCWHITENINGTYPE_MASK      0xFE
+#define RF_PACKETCONFIG1_CRCWHITENINGTYPE_CCITT     0x00  // Default
+#define RF_PACKETCONFIG1_CRCWHITENINGTYPE_IBM       0x01
+
+/*!
+ * RegPacketConfig2
+ */
+#define RF_PACKETCONFIG2_DATAMODE_MASK              0xBF
+#define RF_PACKETCONFIG2_DATAMODE_CONTINUOUS        0x00
+#define RF_PACKETCONFIG2_DATAMODE_PACKET            0x40  // Default
+
+#define RF_PACKETCONFIG2_IOHOME_MASK                0xDF
+#define RF_PACKETCONFIG2_IOHOME_ON                  0x20
+#define RF_PACKETCONFIG2_IOHOME_OFF                 0x00  // Default
+
+#define RF_PACKETCONFIG2_BEACON_MASK                0xF7
+#define RF_PACKETCONFIG2_BEACON_ON                  0x08
+#define RF_PACKETCONFIG2_BEACON_OFF                 0x00  // Default
+
+#define RF_PACKETCONFIG2_PAYLOADLENGTH_MSB_MASK     0xF8
+
+/*!
+ * RegPayloadLength
+ */
+#define RF_PAYLOADLENGTH_LENGTH                     0x40  // Default
+
+/*!
+ * RegNodeAdrs
+ */
+#define RF_NODEADDRESS_ADDRESS                      0x00
+
+/*!
+ * RegBroadcastAdrs
+ */
+#define RF_BROADCASTADDRESS_ADDRESS                 0x00
+
+/*!
+ * RegFifoThresh
+ */
+#define RF_FIFOTHRESH_TXSTARTCONDITION_MASK         0x7F
+#define RF_FIFOTHRESH_TXSTARTCONDITION_FIFOTHRESH   0x00
+#define RF_FIFOTHRESH_TXSTARTCONDITION_FIFONOTEMPTY 0x80  // Default
+
+#define RF_FIFOTHRESH_FIFOTHRESHOLD_MASK            0xC0
+#define RF_FIFOTHRESH_FIFOTHRESHOLD_THRESHOLD       0x0F  // Default
+
+/*!
+ * RegSeqConfig1
+ */
+#define RF_SEQCONFIG1_SEQUENCER_START               0x80
+
+#define RF_SEQCONFIG1_SEQUENCER_STOP                0x40
+
+#define RF_SEQCONFIG1_IDLEMODE_MASK                 0xDF
+#define RF_SEQCONFIG1_IDLEMODE_SLEEP                0x20
+#define RF_SEQCONFIG1_IDLEMODE_STANDBY              0x00  // Default
+
+#define RF_SEQCONFIG1_FROMSTART_MASK                0xE7
+#define RF_SEQCONFIG1_FROMSTART_TOLPS               0x00  // Default
+#define RF_SEQCONFIG1_FROMSTART_TORX                0x08
+#define RF_SEQCONFIG1_FROMSTART_TOTX                0x10
+#define RF_SEQCONFIG1_FROMSTART_TOTX_ONFIFOLEVEL    0x18
+
+#define RF_SEQCONFIG1_LPS_MASK                      0xFB
+#define RF_SEQCONFIG1_LPS_SEQUENCER_OFF             0x00  // Default
+#define RF_SEQCONFIG1_LPS_IDLE                      0x04
+
+#define RF_SEQCONFIG1_FROMIDLE_MASK                 0xFD
+#define RF_SEQCONFIG1_FROMIDLE_TOTX                 0x00  // Default
+#define RF_SEQCONFIG1_FROMIDLE_TORX                 0x02
+
+#define RF_SEQCONFIG1_FROMTX_MASK                   0xFE
+#define RF_SEQCONFIG1_FROMTX_TOLPS                  0x00  // Default
+#define RF_SEQCONFIG1_FROMTX_TORX                   0x01
+
+/*!
+ * RegSeqConfig2
+ */
+#define RF_SEQCONFIG2_FROMRX_MASK                   0x1F
+#define RF_SEQCONFIG2_FROMRX_TOUNUSED_000           0x00  // Default
+#define RF_SEQCONFIG2_FROMRX_TORXPKT_ONPLDRDY       0x20
+#define RF_SEQCONFIG2_FROMRX_TOLPS_ONPLDRDY         0x40
+#define RF_SEQCONFIG2_FROMRX_TORXPKT_ONCRCOK        0x60
+#define RF_SEQCONFIG2_FROMRX_TOSEQUENCEROFF_ONRSSI  0x80
+#define RF_SEQCONFIG2_FROMRX_TOSEQUENCEROFF_ONSYNC  0xA0
+#define RF_SEQCONFIG2_FROMRX_TOSEQUENCEROFF_ONPREAMBLE 0xC0
+#define RF_SEQCONFIG2_FROMRX_TOUNUSED_111           0xE0
+
+#define RF_SEQCONFIG2_FROMRXTIMEOUT_MASK            0xE7
+#define RF_SEQCONFIG2_FROMRXTIMEOUT_TORXRESTART     0x00  // Default
+#define RF_SEQCONFIG2_FROMRXTIMEOUT_TOTX            0x08
+#define RF_SEQCONFIG2_FROMRXTIMEOUT_TOLPS           0x10
+#define RF_SEQCONFIG2_FROMRXTIMEOUT_TOSEQUENCEROFF  0x18
+
+#define RF_SEQCONFIG2_FROMRXPKT_MASK                0xF8
+#define RF_SEQCONFIG2_FROMRXPKT_TOSEQUENCEROFF      0x00  // Default
+#define RF_SEQCONFIG2_FROMRXPKT_TOTX_ONFIFOEMPTY    0x01
+#define RF_SEQCONFIG2_FROMRXPKT_TOLPS               0x02
+#define RF_SEQCONFIG2_FROMRXPKT_TOSYNTHESIZERRX     0x03
+#define RF_SEQCONFIG2_FROMRXPKT_TORX                0x04
+
+/*!
+ * RegTimerResol
+ */
+#define RF_TIMERRESOL_TIMER1RESOL_MASK              0xF3
+#define RF_TIMERRESOL_TIMER1RESOL_OFF               0x00  // Default
+#define RF_TIMERRESOL_TIMER1RESOL_000064_US         0x04
+#define RF_TIMERRESOL_TIMER1RESOL_004100_US         0x08
+#define RF_TIMERRESOL_TIMER1RESOL_262000_US         0x0C
+
+#define RF_TIMERRESOL_TIMER2RESOL_MASK              0xFC
+#define RF_TIMERRESOL_TIMER2RESOL_OFF               0x00  // Default
+#define RF_TIMERRESOL_TIMER2RESOL_000064_US         0x01
+#define RF_TIMERRESOL_TIMER2RESOL_004100_US         0x02
+#define RF_TIMERRESOL_TIMER2RESOL_262000_US         0x03
+
+/*!
+ * RegTimer1Coef
+ */
+#define RF_TIMER1COEF_TIMER1COEFFICIENT             0xF5  // Default
+
+/*!
+ * RegTimer2Coef
+ */
+#define RF_TIMER2COEF_TIMER2COEFFICIENT             0x20  // Default
+
+/*!
+ * RegImageCal
+ */
+#define RF_IMAGECAL_AUTOIMAGECAL_MASK               0x7F
+#define RF_IMAGECAL_AUTOIMAGECAL_ON                 0x80
+#define RF_IMAGECAL_AUTOIMAGECAL_OFF                0x00  // Default
+
+#define RF_IMAGECAL_IMAGECAL_MASK                   0xBF
+#define RF_IMAGECAL_IMAGECAL_START                  0x40
+
+#define RF_IMAGECAL_IMAGECAL_RUNNING                0x20
+#define RF_IMAGECAL_IMAGECAL_DONE                   0x00  // Default
+
+#define RF_IMAGECAL_TEMPCHANGE_HIGHER               0x08
+#define RF_IMAGECAL_TEMPCHANGE_LOWER                0x00
+
+#define RF_IMAGECAL_TEMPTHRESHOLD_MASK              0xF9
+#define RF_IMAGECAL_TEMPTHRESHOLD_05                0x00
+#define RF_IMAGECAL_TEMPTHRESHOLD_10                0x02  // Default
+#define RF_IMAGECAL_TEMPTHRESHOLD_15                0x04
+#define RF_IMAGECAL_TEMPTHRESHOLD_20                0x06
+
+#define RF_IMAGECAL_TEMPMONITOR_MASK                0xFE
+#define RF_IMAGECAL_TEMPMONITOR_ON                  0x00 // Default
+#define RF_IMAGECAL_TEMPMONITOR_OFF                 0x01
+
+/*!
+ * RegTemp (Read Only)
+ */
+
+/*!
+ * RegLowBat
+ */
+#define RF_LOWBAT_MASK                              0xF7
+#define RF_LOWBAT_ON                                0x08
+#define RF_LOWBAT_OFF                               0x00  // Default
+
+#define RF_LOWBAT_TRIM_MASK                         0xF8
+#define RF_LOWBAT_TRIM_1695                         0x00
+#define RF_LOWBAT_TRIM_1764                         0x01
+#define RF_LOWBAT_TRIM_1835                         0x02  // Default
+#define RF_LOWBAT_TRIM_1905                         0x03
+#define RF_LOWBAT_TRIM_1976                         0x04
+#define RF_LOWBAT_TRIM_2045                         0x05
+#define RF_LOWBAT_TRIM_2116                         0x06
+#define RF_LOWBAT_TRIM_2185                         0x07
+
+/*!
+ * RegIrqFlags1
+ */
+#define RF_IRQFLAGS1_MODEREADY                      0x80
+
+#define RF_IRQFLAGS1_RXREADY                        0x40
+
+#define RF_IRQFLAGS1_TXREADY                        0x20
+
+#define RF_IRQFLAGS1_PLLLOCK                        0x10
+
+#define RF_IRQFLAGS1_RSSI                           0x08
+
+#define RF_IRQFLAGS1_TIMEOUT                        0x04
+
+#define RF_IRQFLAGS1_PREAMBLEDETECT                 0x02
+
+#define RF_IRQFLAGS1_SYNCADDRESSMATCH               0x01
+
+/*!
+ * RegIrqFlags2
+ */
+#define RF_IRQFLAGS2_FIFOFULL                       0x80
+
+#define RF_IRQFLAGS2_FIFOEMPTY                      0x40
+
+#define RF_IRQFLAGS2_FIFOLEVEL                      0x20
+
+#define RF_IRQFLAGS2_FIFOOVERRUN                    0x10
+
+#define RF_IRQFLAGS2_PACKETSENT                     0x08
+
+#define RF_IRQFLAGS2_PAYLOADREADY                   0x04
+
+#define RF_IRQFLAGS2_CRCOK                          0x02
+
+#define RF_IRQFLAGS2_LOWBAT                         0x01
+
+/*!
+ * RegDioMapping1
+ */
+#define RF_DIOMAPPING1_DIO0_MASK                    0x3F
+#define RF_DIOMAPPING1_DIO0_00                      0x00  // Default
+#define RF_DIOMAPPING1_DIO0_01                      0x40
+#define RF_DIOMAPPING1_DIO0_10                      0x80
+#define RF_DIOMAPPING1_DIO0_11                      0xC0
+
+#define RF_DIOMAPPING1_DIO1_MASK                    0xCF
+#define RF_DIOMAPPING1_DIO1_00                      0x00  // Default
+#define RF_DIOMAPPING1_DIO1_01                      0x10
+#define RF_DIOMAPPING1_DIO1_10                      0x20
+#define RF_DIOMAPPING1_DIO1_11                      0x30
+
+#define RF_DIOMAPPING1_DIO2_MASK                    0xF3
+#define RF_DIOMAPPING1_DIO2_00                      0x00  // Default
+#define RF_DIOMAPPING1_DIO2_01                      0x04
+#define RF_DIOMAPPING1_DIO2_10                      0x08
+#define RF_DIOMAPPING1_DIO2_11                      0x0C
+
+#define RF_DIOMAPPING1_DIO3_MASK                    0xFC
+#define RF_DIOMAPPING1_DIO3_00                      0x00  // Default
+#define RF_DIOMAPPING1_DIO3_01                      0x01
+#define RF_DIOMAPPING1_DIO3_10                      0x02
+#define RF_DIOMAPPING1_DIO3_11                      0x03
+
+/*!
+ * RegDioMapping2
+ */
+#define RF_DIOMAPPING2_DIO4_MASK                    0x3F
+#define RF_DIOMAPPING2_DIO4_00                      0x00  // Default
+#define RF_DIOMAPPING2_DIO4_01                      0x40
+#define RF_DIOMAPPING2_DIO4_10                      0x80
+#define RF_DIOMAPPING2_DIO4_11                      0xC0
+
+#define RF_DIOMAPPING2_DIO5_MASK                    0xCF
+#define RF_DIOMAPPING2_DIO5_00                      0x00  // Default
+#define RF_DIOMAPPING2_DIO5_01                      0x10
+#define RF_DIOMAPPING2_DIO5_10                      0x20
+#define RF_DIOMAPPING2_DIO5_11                      0x30
+
+#define RF_DIOMAPPING2_MAP_MASK                     0xFE
+#define RF_DIOMAPPING2_MAP_PREAMBLEDETECT           0x01
+#define RF_DIOMAPPING2_MAP_RSSI                     0x00  // Default
+
+/*!
+ * RegVersion (Read Only)
+ */
+
+/*!
+ * RegAgcRef
+ */
+
+/*!
+ * RegAgcThresh1
+ */
+
+/*!
+ * RegAgcThresh2
+ */
+
+/*!
+ * RegAgcThresh3
+ */
+
+/*!
+ * RegPllHop
+ */
+#define RF_PLLHOP_FASTHOP_MASK                      0x7F
+#define RF_PLLHOP_FASTHOP_ON                        0x80
+#define RF_PLLHOP_FASTHOP_OFF                       0x00 // Default
+
+/*!
+ * RegTcxo
+ */
+#define RF_TCXO_TCXOINPUT_MASK                      0xEF
+#define RF_TCXO_TCXOINPUT_ON                        0x10
+#define RF_TCXO_TCXOINPUT_OFF                       0x00  // Default
+
+/*!
+ * RegPaDac
+ */
+#define RF_PADAC_20DBM_MASK                         0xF8
+#define RF_PADAC_20DBM_ON                           0x07
+#define RF_PADAC_20DBM_OFF                          0x04  // Default
+
+/*!
+ * RegPll
+ */
+#define RF_PLL_BANDWIDTH_MASK                       0x3F
+#define RF_PLL_BANDWIDTH_75                         0x00
+#define RF_PLL_BANDWIDTH_150                        0x40
+#define RF_PLL_BANDWIDTH_225                        0x80
+#define RF_PLL_BANDWIDTH_300                        0xC0  // Default
+
+/*!
+ * RegPllLowPn
+ */
+#define RF_PLLLOWPN_BANDWIDTH_MASK                  0x3F
+#define RF_PLLLOWPN_BANDWIDTH_75                    0x00
+#define RF_PLLLOWPN_BANDWIDTH_150                   0x40
+#define RF_PLLLOWPN_BANDWIDTH_225                   0x80
+#define RF_PLLLOWPN_BANDWIDTH_300                   0xC0  // Default
+
+/*!
+ * RegFormerTemp
+ */
+
+/*!
+ * RegBitrateFrac
+ */
+#define RF_BITRATEFRAC_MASK                         0xF0
+
+#endif // __SX1272_REGS_FSK_H__
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SX1272/registers/sx1272Regs-LoRa.h	Wed Sep 12 20:02:02 2018 +0000
@@ -0,0 +1,549 @@
+/**
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C) 2015 Semtech
+
+Description: SX1272 LoRa modem registers and bits definitions
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+
+Copyright (c) 2017, Arm Limited and affiliates.
+
+SPDX-License-Identifier: BSD-3-Clause
+*/
+#ifndef __SX1272_REGS_LORA_H__
+#define __SX1272_REGS_LORA_H__
+
+/*!
+ * ============================================================================
+ * SX1272 Internal registers Address
+ * ============================================================================
+ */
+#define REG_LR_FIFO                                 0x00
+// Common settings
+#define REG_LR_OPMODE                               0x01
+#define REG_LR_FRFMSB                               0x06
+#define REG_LR_FRFMID                               0x07
+#define REG_LR_FRFLSB                               0x08
+// Tx settings
+#define REG_LR_PACONFIG                             0x09
+#define REG_LR_PARAMP                               0x0A
+#define REG_LR_OCP                                  0x0B
+// Rx settings
+#define REG_LR_LNA                                  0x0C
+// LoRa registers
+#define REG_LR_FIFOADDRPTR                          0x0D
+#define REG_LR_FIFOTXBASEADDR                       0x0E
+#define REG_LR_FIFORXBASEADDR                       0x0F
+#define REG_LR_FIFORXCURRENTADDR                    0x10
+#define REG_LR_IRQFLAGSMASK                         0x11
+#define REG_LR_IRQFLAGS                             0x12
+#define REG_LR_RXNBBYTES                            0x13
+#define REG_LR_RXHEADERCNTVALUEMSB                  0x14
+#define REG_LR_RXHEADERCNTVALUELSB                  0x15
+#define REG_LR_RXPACKETCNTVALUEMSB                  0x16
+#define REG_LR_RXPACKETCNTVALUELSB                  0x17
+#define REG_LR_MODEMSTAT                            0x18
+#define REG_LR_PKTSNRVALUE                          0x19
+#define REG_LR_PKTRSSIVALUE                         0x1A
+#define REG_LR_RSSIVALUE                            0x1B
+#define REG_LR_HOPCHANNEL                           0x1C
+#define REG_LR_MODEMCONFIG1                         0x1D
+#define REG_LR_MODEMCONFIG2                         0x1E
+#define REG_LR_SYMBTIMEOUTLSB                       0x1F
+#define REG_LR_PREAMBLEMSB                          0x20
+#define REG_LR_PREAMBLELSB                          0x21
+#define REG_LR_PAYLOADLENGTH                        0x22
+#define REG_LR_PAYLOADMAXLENGTH                     0x23
+#define REG_LR_HOPPERIOD                            0x24
+#define REG_LR_FIFORXBYTEADDR                       0x25
+#define REG_LR_FEIMSB                               0x28
+#define REG_LR_FEIMID                               0x29
+#define REG_LR_FEILSB                               0x2A
+#define REG_LR_RSSIWIDEBAND                         0x2C
+#define REG_LR_DETECTOPTIMIZE                       0x31
+#define REG_LR_INVERTIQ                             0x33
+#define REG_LR_DETECTIONTHRESHOLD                   0x37
+#define REG_LR_SYNCWORD                             0x39
+#define REG_LR_INVERTIQ2                            0x3B
+
+// end of documented register in datasheet
+// I/O settings
+#define REG_LR_DIOMAPPING1                          0x40
+#define REG_LR_DIOMAPPING2                          0x41
+// Version
+#define REG_LR_VERSION                              0x42
+// Additional settings
+#define REG_LR_AGCREF                               0x43
+#define REG_LR_AGCTHRESH1                           0x44
+#define REG_LR_AGCTHRESH2                           0x45
+#define REG_LR_AGCTHRESH3                           0x46
+#define REG_LR_PLLHOP                               0x4B
+#define REG_LR_TCXO                                 0x58
+#define REG_LR_PADAC                                0x5A
+#define REG_LR_PLL                                  0x5C
+#define REG_LR_PLLLOWPN                             0x5E
+#define REG_LR_FORMERTEMP                           0x6C
+
+/*!
+ * ============================================================================
+ * SX1272 LoRa bits control definition
+ * ============================================================================
+ */
+
+/*!
+ * RegFifo
+ */
+
+/*!
+ * RegOpMode
+ */
+#define RFLR_OPMODE_LONGRANGEMODE_MASK              0x7F
+#define RFLR_OPMODE_LONGRANGEMODE_OFF               0x00 // Default
+#define RFLR_OPMODE_LONGRANGEMODE_ON                0x80
+
+#define RFLR_OPMODE_ACCESSSHAREDREG_MASK            0xBF
+#define RFLR_OPMODE_ACCESSSHAREDREG_ENABLE          0x40
+#define RFLR_OPMODE_ACCESSSHAREDREG_DISABLE         0x00 // Default
+
+#define RFLR_OPMODE_MASK                            0xF8
+#define RFLR_OPMODE_SLEEP                           0x00
+#define RFLR_OPMODE_STANDBY                         0x01 // Default
+#define RFLR_OPMODE_SYNTHESIZER_TX                  0x02
+#define RFLR_OPMODE_TRANSMITTER                     0x03
+#define RFLR_OPMODE_SYNTHESIZER_RX                  0x04
+#define RFLR_OPMODE_RECEIVER                        0x05
+// LoRa specific modes
+#define RFLR_OPMODE_RECEIVER_SINGLE                 0x06
+#define RFLR_OPMODE_CAD                             0x07
+
+/*!
+ * RegFrf (MHz)
+ */
+#define RFLR_FRFMSB_915_MHZ                         0xE4  // Default
+#define RFLR_FRFMID_915_MHZ                         0xC0  // Default
+#define RFLR_FRFLSB_915_MHZ                         0x00  // Default
+
+/*!
+ * RegPaConfig
+ */
+#define RFLR_PACONFIG_PASELECT_MASK                 0x7F
+#define RFLR_PACONFIG_PASELECT_PABOOST              0x80
+#define RFLR_PACONFIG_PASELECT_RFO                  0x00 // Default
+
+#define RFLR_PACONFIG_OUTPUTPOWER_MASK              0xF0
+
+/*!
+ * RegPaRamp
+ */
+#define RFLR_PARAMP_LOWPNTXPLL_MASK                 0xE0
+#define RFLR_PARAMP_LOWPNTXPLL_OFF                  0x10 // Default
+#define RFLR_PARAMP_LOWPNTXPLL_ON                   0x00
+
+#define RFLR_PARAMP_MASK                            0xF0
+#define RFLR_PARAMP_3400_US                         0x00
+#define RFLR_PARAMP_2000_US                         0x01
+#define RFLR_PARAMP_1000_US                         0x02
+#define RFLR_PARAMP_0500_US                         0x03
+#define RFLR_PARAMP_0250_US                         0x04
+#define RFLR_PARAMP_0125_US                         0x05
+#define RFLR_PARAMP_0100_US                         0x06
+#define RFLR_PARAMP_0062_US                         0x07
+#define RFLR_PARAMP_0050_US                         0x08
+#define RFLR_PARAMP_0040_US                         0x09 // Default
+#define RFLR_PARAMP_0031_US                         0x0A
+#define RFLR_PARAMP_0025_US                         0x0B
+#define RFLR_PARAMP_0020_US                         0x0C
+#define RFLR_PARAMP_0015_US                         0x0D
+#define RFLR_PARAMP_0012_US                         0x0E
+#define RFLR_PARAMP_0010_US                         0x0F
+
+/*!
+ * RegOcp
+ */
+#define RFLR_OCP_MASK                               0xDF
+#define RFLR_OCP_ON                                 0x20 // Default
+#define RFLR_OCP_OFF                                0x00
+
+#define RFLR_OCP_TRIM_MASK                          0xE0
+#define RFLR_OCP_TRIM_045_MA                        0x00
+#define RFLR_OCP_TRIM_050_MA                        0x01
+#define RFLR_OCP_TRIM_055_MA                        0x02
+#define RFLR_OCP_TRIM_060_MA                        0x03
+#define RFLR_OCP_TRIM_065_MA                        0x04
+#define RFLR_OCP_TRIM_070_MA                        0x05
+#define RFLR_OCP_TRIM_075_MA                        0x06
+#define RFLR_OCP_TRIM_080_MA                        0x07
+#define RFLR_OCP_TRIM_085_MA                        0x08
+#define RFLR_OCP_TRIM_090_MA                        0x09
+#define RFLR_OCP_TRIM_095_MA                        0x0A
+#define RFLR_OCP_TRIM_100_MA                        0x0B  // Default
+#define RFLR_OCP_TRIM_105_MA                        0x0C
+#define RFLR_OCP_TRIM_110_MA                        0x0D
+#define RFLR_OCP_TRIM_115_MA                        0x0E
+#define RFLR_OCP_TRIM_120_MA                        0x0F
+#define RFLR_OCP_TRIM_130_MA                        0x10
+#define RFLR_OCP_TRIM_140_MA                        0x11
+#define RFLR_OCP_TRIM_150_MA                        0x12
+#define RFLR_OCP_TRIM_160_MA                        0x13
+#define RFLR_OCP_TRIM_170_MA                        0x14
+#define RFLR_OCP_TRIM_180_MA                        0x15
+#define RFLR_OCP_TRIM_190_MA                        0x16
+#define RFLR_OCP_TRIM_200_MA                        0x17
+#define RFLR_OCP_TRIM_210_MA                        0x18
+#define RFLR_OCP_TRIM_220_MA                        0x19
+#define RFLR_OCP_TRIM_230_MA                        0x1A
+#define RFLR_OCP_TRIM_240_MA                        0x1B
+
+/*!
+ * RegLna
+ */
+#define RFLR_LNA_GAIN_MASK                          0x1F
+#define RFLR_LNA_GAIN_G1                            0x20 // Default
+#define RFLR_LNA_GAIN_G2                            0x40
+#define RFLR_LNA_GAIN_G3                            0x60
+#define RFLR_LNA_GAIN_G4                            0x80
+#define RFLR_LNA_GAIN_G5                            0xA0
+#define RFLR_LNA_GAIN_G6                            0xC0
+
+#define RFLR_LNA_BOOST_MASK                         0xFC
+#define RFLR_LNA_BOOST_OFF                          0x00 // Default
+#define RFLR_LNA_BOOST_ON                           0x03
+
+/*!
+ * RegFifoAddrPtr
+ */
+#define RFLR_FIFOADDRPTR                            0x00 // Default
+
+/*!
+ * RegFifoTxBaseAddr
+ */
+#define RFLR_FIFOTXBASEADDR                         0x80 // Default
+
+/*!
+ * RegFifoTxBaseAddr
+ */
+#define RFLR_FIFORXBASEADDR                         0x00 // Default
+
+/*!
+ * RegFifoRxCurrentAddr (Read Only)
+ */
+
+/*!
+ * RegIrqFlagsMask
+ */
+#define RFLR_IRQFLAGS_RXTIMEOUT_MASK                0x80
+#define RFLR_IRQFLAGS_RXDONE_MASK                   0x40
+#define RFLR_IRQFLAGS_PAYLOADCRCERROR_MASK          0x20
+#define RFLR_IRQFLAGS_VALIDHEADER_MASK              0x10
+#define RFLR_IRQFLAGS_TXDONE_MASK                   0x08
+#define RFLR_IRQFLAGS_CADDONE_MASK                  0x04
+#define RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL_MASK       0x02
+#define RFLR_IRQFLAGS_CADDETECTED_MASK              0x01
+
+/*!
+ * RegIrqFlags
+ */
+#define RFLR_IRQFLAGS_RXTIMEOUT                     0x80
+#define RFLR_IRQFLAGS_RXDONE                        0x40
+#define RFLR_IRQFLAGS_PAYLOADCRCERROR               0x20
+#define RFLR_IRQFLAGS_VALIDHEADER                   0x10
+#define RFLR_IRQFLAGS_TXDONE                        0x08
+#define RFLR_IRQFLAGS_CADDONE                       0x04
+#define RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL            0x02
+#define RFLR_IRQFLAGS_CADDETECTED                   0x01
+
+/*!
+ * RegFifoRxNbBytes (Read Only)
+ */
+
+/*!
+ * RegRxHeaderCntValueMsb (Read Only)
+ */
+
+/*!
+ * RegRxHeaderCntValueLsb (Read Only)
+ */
+
+/*!
+ * RegRxPacketCntValueMsb (Read Only)
+ */
+
+/*!
+ * RegRxPacketCntValueLsb (Read Only)
+ */
+
+/*!
+ * RegModemStat (Read Only)
+ */
+#define RFLR_MODEMSTAT_RX_CR_MASK                   0x1F
+#define RFLR_MODEMSTAT_MODEM_STATUS_MASK            0xE0
+
+/*!
+ * RegPktSnrValue (Read Only)
+ */
+
+/*!
+ * RegPktRssiValue (Read Only)
+ */
+
+/*!
+ * RegRssiValue (Read Only)
+ */
+
+/*!
+ * RegHopChannel (Read Only)
+ */
+#define RFLR_HOPCHANNEL_PLL_LOCK_TIMEOUT_MASK       0x7F
+#define RFLR_HOPCHANNEL_PLL_LOCK_FAIL               0x80
+#define RFLR_HOPCHANNEL_PLL_LOCK_SUCCEED            0x00 // Default
+
+#define RFLR_HOPCHANNEL_CRCONPAYLOAD_MASK           0xBF
+#define RFLR_HOPCHANNEL_CRCONPAYLOAD_ON             0x40
+#define RFLR_HOPCHANNEL_CRCONPAYLOAD_OFF            0x00 // Default
+
+#define RFLR_HOPCHANNEL_CHANNEL_MASK                0x3F
+
+/*!
+ * RegModemConfig1
+ */
+#define RFLR_MODEMCONFIG1_BW_MASK                   0x3F
+#define RFLR_MODEMCONFIG1_BW_125_KHZ                0x00 // Default
+#define RFLR_MODEMCONFIG1_BW_250_KHZ                0x40
+#define RFLR_MODEMCONFIG1_BW_500_KHZ                0x80
+
+#define RFLR_MODEMCONFIG1_CODINGRATE_MASK           0xC7
+#define RFLR_MODEMCONFIG1_CODINGRATE_4_5            0x08
+#define RFLR_MODEMCONFIG1_CODINGRATE_4_6            0x10 // Default
+#define RFLR_MODEMCONFIG1_CODINGRATE_4_7            0x18
+#define RFLR_MODEMCONFIG1_CODINGRATE_4_8            0x20
+
+#define RFLR_MODEMCONFIG1_IMPLICITHEADER_MASK       0xFB
+#define RFLR_MODEMCONFIG1_IMPLICITHEADER_ON         0x04
+#define RFLR_MODEMCONFIG1_IMPLICITHEADER_OFF        0x00 // Default
+
+#define RFLR_MODEMCONFIG1_RXPAYLOADCRC_MASK         0xFD
+#define RFLR_MODEMCONFIG1_RXPAYLOADCRC_ON           0x02
+#define RFLR_MODEMCONFIG1_RXPAYLOADCRC_OFF          0x00 // Default
+
+#define RFLR_MODEMCONFIG1_LOWDATARATEOPTIMIZE_MASK  0xFE
+#define RFLR_MODEMCONFIG1_LOWDATARATEOPTIMIZE_ON    0x01
+#define RFLR_MODEMCONFIG1_LOWDATARATEOPTIMIZE_OFF   0x00 // Default
+
+/*!
+ * RegModemConfig2
+ */
+#define RFLR_MODEMCONFIG2_SF_MASK                   0x0F
+#define RFLR_MODEMCONFIG2_SF_6                      0x60
+#define RFLR_MODEMCONFIG2_SF_7                      0x70 // Default
+#define RFLR_MODEMCONFIG2_SF_8                      0x80
+#define RFLR_MODEMCONFIG2_SF_9                      0x90
+#define RFLR_MODEMCONFIG2_SF_10                     0xA0
+#define RFLR_MODEMCONFIG2_SF_11                     0xB0
+#define RFLR_MODEMCONFIG2_SF_12                     0xC0
+
+#define RFLR_MODEMCONFIG2_TXCONTINUOUSMODE_MASK     0xF7
+#define RFLR_MODEMCONFIG2_TXCONTINUOUSMODE_ON       0x08
+#define RFLR_MODEMCONFIG2_TXCONTINUOUSMODE_OFF      0x00
+
+#define RFLR_MODEMCONFIG2_AGCAUTO_MASK              0xFB
+#define RFLR_MODEMCONFIG2_AGCAUTO_ON                0x04 // Default
+#define RFLR_MODEMCONFIG2_AGCAUTO_OFF               0x00
+
+#define RFLR_MODEMCONFIG2_SYMBTIMEOUTMSB_MASK       0xFC
+#define RFLR_MODEMCONFIG2_SYMBTIMEOUTMSB            0x00 // Default
+
+/*!
+ * RegSymbTimeoutLsb
+ */
+#define RFLR_SYMBTIMEOUTLSB_SYMBTIMEOUT             0x64 // Default
+
+/*!
+ * RegPreambleLengthMsb
+ */
+#define RFLR_PREAMBLELENGTHMSB                      0x00 // Default
+
+/*!
+ * RegPreambleLengthLsb
+ */
+#define RFLR_PREAMBLELENGTHLSB                      0x08 // Default
+
+/*!
+ * RegPayloadLength
+ */
+#define RFLR_PAYLOADLENGTH                          0x0E // Default
+
+/*!
+ * RegPayloadMaxLength
+ */
+#define RFLR_PAYLOADMAXLENGTH                       0xFF // Default
+
+/*!
+ * RegHopPeriod
+ */
+#define RFLR_HOPPERIOD_FREQFOPPINGPERIOD            0x00 // Default
+
+/*!
+ * RegFifoRxByteAddr (Read Only)
+ */
+
+/*!
+ * RegFeiMsb (Read Only)
+ */
+
+/*!
+ * RegFeiMid (Read Only)
+ */
+
+/*!
+ * RegFeiLsb (Read Only)
+ */
+
+/*!
+ * RegRssiWideband (Read Only)
+ */
+
+/*!
+ * RegDetectOptimize
+ */
+#define RFLR_DETECTIONOPTIMIZE_MASK                 0xF8
+#define RFLR_DETECTIONOPTIMIZE_SF7_TO_SF12          0x03 // Default
+#define RFLR_DETECTIONOPTIMIZE_SF6                  0x05
+
+/*!
+ * RegInvertIQ
+ */
+#define RFLR_INVERTIQ_RX_MASK                       0xBF
+#define RFLR_INVERTIQ_RX_OFF                        0x00
+#define RFLR_INVERTIQ_RX_ON                         0x40
+#define RFLR_INVERTIQ_TX_MASK                       0xFE
+#define RFLR_INVERTIQ_TX_OFF                        0x01
+#define RFLR_INVERTIQ_TX_ON                         0x00
+
+/*!
+ * RegDetectionThreshold
+ */
+#define RFLR_DETECTIONTHRESH_SF7_TO_SF12            0x0A // Default
+#define RFLR_DETECTIONTHRESH_SF6                    0x0C
+
+/*!
+ * RegInvertIQ2
+ */
+#define RFLR_INVERTIQ2_ON                           0x19
+#define RFLR_INVERTIQ2_OFF                          0x1D
+
+/*!
+ * RegDioMapping1
+ */
+#define RFLR_DIOMAPPING1_DIO0_MASK                  0x3F
+#define RFLR_DIOMAPPING1_DIO0_00                    0x00  // Default
+#define RFLR_DIOMAPPING1_DIO0_01                    0x40
+#define RFLR_DIOMAPPING1_DIO0_10                    0x80
+#define RFLR_DIOMAPPING1_DIO0_11                    0xC0
+
+#define RFLR_DIOMAPPING1_DIO1_MASK                  0xCF
+#define RFLR_DIOMAPPING1_DIO1_00                    0x00  // Default
+#define RFLR_DIOMAPPING1_DIO1_01                    0x10
+#define RFLR_DIOMAPPING1_DIO1_10                    0x20
+#define RFLR_DIOMAPPING1_DIO1_11                    0x30
+
+#define RFLR_DIOMAPPING1_DIO2_MASK                  0xF3
+#define RFLR_DIOMAPPING1_DIO2_00                    0x00  // Default
+#define RFLR_DIOMAPPING1_DIO2_01                    0x04
+#define RFLR_DIOMAPPING1_DIO2_10                    0x08
+#define RFLR_DIOMAPPING1_DIO2_11                    0x0C
+
+#define RFLR_DIOMAPPING1_DIO3_MASK                  0xFC
+#define RFLR_DIOMAPPING1_DIO3_00                    0x00  // Default
+#define RFLR_DIOMAPPING1_DIO3_01                    0x01
+#define RFLR_DIOMAPPING1_DIO3_10                    0x02
+#define RFLR_DIOMAPPING1_DIO3_11                    0x03
+
+/*!
+ * RegDioMapping2
+ */
+#define RFLR_DIOMAPPING2_DIO4_MASK                  0x3F
+#define RFLR_DIOMAPPING2_DIO4_00                    0x00  // Default
+#define RFLR_DIOMAPPING2_DIO4_01                    0x40
+#define RFLR_DIOMAPPING2_DIO4_10                    0x80
+#define RFLR_DIOMAPPING2_DIO4_11                    0xC0
+
+#define RFLR_DIOMAPPING2_DIO5_MASK                  0xCF
+#define RFLR_DIOMAPPING2_DIO5_00                    0x00  // Default
+#define RFLR_DIOMAPPING2_DIO5_01                    0x10
+#define RFLR_DIOMAPPING2_DIO5_10                    0x20
+#define RFLR_DIOMAPPING2_DIO5_11                    0x30
+
+#define RFLR_DIOMAPPING2_MAP_MASK                   0xFE
+#define RFLR_DIOMAPPING2_MAP_PREAMBLEDETECT         0x01
+#define RFLR_DIOMAPPING2_MAP_RSSI                   0x00  // Default
+
+/*!
+ * RegVersion (Read Only)
+ */
+
+/*!
+ * RegAgcRef
+ */
+
+/*!
+ * RegAgcThresh1
+ */
+
+/*!
+ * RegAgcThresh2
+ */
+
+/*!
+ * RegAgcThresh3
+ */
+
+/*!
+ * RegPllHop
+ */
+#define RFLR_PLLHOP_FASTHOP_MASK                    0x7F
+#define RFLR_PLLHOP_FASTHOP_ON                      0x80
+#define RFLR_PLLHOP_FASTHOP_OFF                     0x00 // Default
+
+/*!
+ * RegTcxo
+ */
+#define RFLR_TCXO_TCXOINPUT_MASK                    0xEF
+#define RFLR_TCXO_TCXOINPUT_ON                      0x10
+#define RFLR_TCXO_TCXOINPUT_OFF                     0x00  // Default
+
+/*!
+ * RegPaDac
+ */
+#define RFLR_PADAC_20DBM_MASK                       0xF8
+#define RFLR_PADAC_20DBM_ON                         0x07
+#define RFLR_PADAC_20DBM_OFF                        0x04  // Default
+
+/*!
+ * RegPll
+ */
+#define RFLR_PLL_BANDWIDTH_MASK                     0x3F
+#define RFLR_PLL_BANDWIDTH_75                       0x00
+#define RFLR_PLL_BANDWIDTH_150                      0x40
+#define RFLR_PLL_BANDWIDTH_225                      0x80
+#define RFLR_PLL_BANDWIDTH_300                      0xC0  // Default
+
+/*!
+ * RegPllLowPn
+ */
+#define RFLR_PLLLOWPN_BANDWIDTH_MASK                0x3F
+#define RFLR_PLLLOWPN_BANDWIDTH_75                  0x00
+#define RFLR_PLLLOWPN_BANDWIDTH_150                 0x40
+#define RFLR_PLLLOWPN_BANDWIDTH_225                 0x80
+#define RFLR_PLLLOWPN_BANDWIDTH_300                 0xC0  // Default
+
+/*!
+ * RegFormerTemp
+ */
+
+#endif // __SX1272_REGS_LORA_H__
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SX1276/README.md	Wed Sep 12 20:02:02 2018 +0000
@@ -0,0 +1,1 @@
+# Mbed enabled SX1276 LoRa/FSK radio driver 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SX1276/SX1276_LoRaRadio.cpp	Wed Sep 12 20:02:02 2018 +0000
@@ -0,0 +1,2329 @@
+/**
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2013 Semtech
+ ___ _____ _   ___ _  _____ ___  ___  ___ ___
+/ __|_   _/_\ / __| |/ / __/ _ \| _ \/ __| __|
+\__ \ | |/ _ \ (__| ' <| _| (_) |   / (__| _|
+|___/ |_/_/ \_\___|_|\_\_| \___/|_|_\\___|___|
+embedded.connectivity.solutions===============
+
+Description: LoRaWAN stack layer that controls both MAC and PHY underneath
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis ( Semtech ), Gregory Cristian ( Semtech ) and Daniel Jaeckle ( STACKFORCE )
+
+Copyright (c) 2017, Arm Limited and affiliates.
+
+SPDX-License-Identifier: BSD-3-Clause
+*/
+
+#include <stdio.h>
+#include <math.h> //rint
+#include <string.h>
+#include "mbed.h"
+#include "SX1276_LoRaRadio.h"
+#include "sx1276Regs-Fsk.h"
+#include "sx1276Regs-LoRa.h"
+
+/*!
+ * Sync word for Private LoRa networks
+ */
+#define LORA_MAC_PRIVATE_SYNCWORD                   0x12
+
+/*!
+ * Sync word for Public LoRa networks
+ */
+#define LORA_MAC_PUBLIC_SYNCWORD                    0x34
+
+/*!
+ * SX1276 definitions
+ */
+#define XTAL_FREQ                                   32000000
+#define FREQ_STEP                                   61.03515625
+
+/*!
+ * Constant values need to compute the RSSI value
+ */
+#define RSSI_OFFSET_LF                              -164.0
+#define RSSI_OFFSET_HF                              -157.0
+#define RF_MID_BAND_THRESH                          525000000
+
+
+/*!
+ * FSK bandwidth definition
+ */
+typedef struct
+{
+    uint32_t bandwidth;
+    uint8_t  register_value;
+} fsk_bw_t;
+
+/*!
+ * Radio registers definition
+ */
+typedef struct
+{
+    uint8_t     modem;
+    uint8_t     addr;
+    uint8_t     value;
+} radio_registers_t;
+
+#define RADIO_INIT_REGISTERS_VALUE                \
+{                                                 \
+    { MODEM_FSK , REG_LNA                , 0x23 },\
+    { MODEM_FSK , REG_RXCONFIG           , 0x1E },\
+    { MODEM_FSK , REG_RSSICONFIG         , 0xD2 },\
+    { MODEM_FSK , REG_AFCFEI             , 0x01 },\
+    { MODEM_FSK , REG_PREAMBLEDETECT     , 0xAA },\
+    { MODEM_FSK , REG_OSC                , 0x07 },\
+    { MODEM_FSK , REG_SYNCCONFIG         , 0x12 },\
+    { MODEM_FSK , REG_SYNCVALUE1         , 0xC1 },\
+    { MODEM_FSK , REG_SYNCVALUE2         , 0x94 },\
+    { MODEM_FSK , REG_SYNCVALUE3         , 0xC1 },\
+    { MODEM_FSK , REG_PACKETCONFIG1      , 0xD8 },\
+    { MODEM_FSK , REG_FIFOTHRESH         , 0x8F },\
+    { MODEM_FSK , REG_IMAGECAL           , 0x02 },\
+    { MODEM_FSK , REG_DIOMAPPING1        , 0x00 },\
+    { MODEM_FSK , REG_DIOMAPPING2        , 0x30 },\
+    { MODEM_LORA, REG_LR_PAYLOADMAXLENGTH, 0x40 },\
+}
+
+static const fsk_bw_t fsk_bandwidths[] =
+{
+    { 2600  , 0x17 },
+    { 3100  , 0x0F },
+    { 3900  , 0x07 },
+    { 5200  , 0x16 },
+    { 6300  , 0x0E },
+    { 7800  , 0x06 },
+    { 10400 , 0x15 },
+    { 12500 , 0x0D },
+    { 15600 , 0x05 },
+    { 20800 , 0x14 },
+    { 25000 , 0x0C },
+    { 31300 , 0x04 },
+    { 41700 , 0x13 },
+    { 50000 , 0x0B },
+    { 62500 , 0x03 },
+    { 83333 , 0x12 },
+    { 100000, 0x0A },
+    { 125000, 0x02 },
+    { 166700, 0x11 },
+    { 200000, 0x09 },
+    { 250000, 0x01 },
+    { 300000, 0x00 }, // Invalid bandwidth
+};
+
+/**
+ * SPI read/write masks
+ */
+#define SPI_WRITE_CMD   0x80
+#define SPI_READ_CMD    0x7F
+
+/**
+ * Signals
+ */
+#define SIG_DIO0    0x01
+#define SIG_DIO1    0x02
+#define SIG_DIO2    0x04
+#define SIG_DIO3    0x08
+#define SIG_DIO4    0x10
+#define SIG_DIO5    0x20
+#define SIG_TIMOUT  0x40
+
+/**
+ * Radio hardware registers initialization
+ */
+static const radio_registers_t radio_reg_init[] = RADIO_INIT_REGISTERS_VALUE;
+
+enum RadioVariant {
+    SX1276UNDEFINED = 0,
+    SX1276MB1LAS,
+    SX1276MB1MAS
+};
+
+#ifdef MBED_SX1276_LORA_RADIO_SPI_FREQUENCY
+#define SPI_FREQUENCY    MBED_SX1276_LORA_RADIO_SPI_FREQUENCY
+#else
+#define SPI_FREQUENCY    8000000
+#endif
+
+/**
+ * Constructor
+ */
+SX1276_LoRaRadio::SX1276_LoRaRadio(PinName spi_mosi,
+                                   PinName spi_miso,
+                                   PinName spi_sclk,
+                                   PinName nss,
+                                   PinName reset,
+                                   PinName dio0,
+                                   PinName dio1,
+                                   PinName dio2,
+                                   PinName dio3,
+                                   PinName dio4,
+                                   PinName dio5,
+                                   PinName rf_switch_ctl1,
+                                   PinName rf_switch_ctl2,
+                                   PinName txctl,
+                                   PinName rxctl,
+                                   PinName antswitch,
+                                   PinName pwr_amp_ctl,
+                                   PinName tcxo)
+    :   _spi(spi_mosi, spi_miso, spi_sclk),
+        _chip_select(nss, 1),
+        _reset_ctl(reset),
+        _dio0_ctl(dio0), _dio1_ctl(dio1), _dio2_ctl(dio2), _dio3_ctl(dio3), _dio4_ctl(dio4), _dio5_ctl(dio5),
+        _rf_switch_ctl1(rf_switch_ctl1, 0), _rf_switch_ctl2(rf_switch_ctl2, 0),
+        _txctl(txctl, 0), _rxctl(rxctl, 0),
+        _ant_switch(antswitch, PIN_INPUT, PullUp, 0),
+        _pwr_amp_ctl(pwr_amp_ctl),
+        _tcxo(tcxo)
+
+#ifdef MBED_CONF_RTOS_PRESENT
+        , irq_thread(osPriorityRealtime, 1024)
+#endif
+{
+    _rf_ctrls.ant_switch = antswitch;
+    _rf_ctrls.pwr_amp_ctl = pwr_amp_ctl;
+    _rf_ctrls.rf_switch_ctl1 = rf_switch_ctl1;
+    _rf_ctrls.rf_switch_ctl2 = rf_switch_ctl2;
+    _rf_ctrls.rxctl = rxctl;
+    _rf_ctrls.txctl = txctl;
+    _rf_ctrls.tcxo = tcxo;
+
+    _dio4_pin = dio4;
+    _dio5_pin = dio5;
+
+    _radio_events = NULL;
+
+    if (tcxo != NC) {
+        _tcxo = 1;
+    }
+
+#ifdef MBED_CONF_RTOS_PRESENT
+    irq_thread.start(mbed::callback(this, &SX1276_LoRaRadio::rf_irq_task));
+#endif
+}
+
+/**
+ * Destructor
+ */
+SX1276_LoRaRadio::~SX1276_LoRaRadio()
+{
+
+}
+
+/*****************************************************************************
+ * Public APIs                                                               *
+ ****************************************************************************/
+/**
+ * Acquire lock
+ */
+void SX1276_LoRaRadio::lock(void)
+{
+    mutex.lock();
+}
+
+/**
+ * Release lock
+ */
+void SX1276_LoRaRadio::unlock(void)
+{
+    mutex.unlock();
+}
+
+/**
+ * Initializes radio module
+ */
+void SX1276_LoRaRadio::init_radio(radio_events_t *events)
+{
+    _radio_events = events;
+
+    // Reset the radio transceiver
+    radio_reset();
+
+    // Setup radio variant type
+    set_sx1276_variant_type();
+
+    // setup SPI frequency
+    // default is 8MHz although, configurable through
+    // SPI_FREQUENCY macro
+    setup_spi();
+
+    // Calibrate radio receiver chain
+    rx_chain_calibration();
+
+    // set radio mode to sleep
+    set_operation_mode(RF_OPMODE_SLEEP);
+
+    // Setup radio registers to defaults
+    setup_registers();
+
+    // set modem type - defaults to FSK here
+    set_modem(MODEM_FSK);
+
+    // set state to be idle
+    _rf_settings.state = RF_IDLE;
+
+    // Setup interrupts on DIO pins
+    setup_interrupts();
+}
+
+/**
+ * Can be used by application/stack or the driver itself
+ */
+void SX1276_LoRaRadio::radio_reset()
+{
+    _reset_ctl.output();
+    _reset_ctl = 0;
+    wait_ms(2);
+    _reset_ctl.input();
+    wait_ms(6);
+}
+
+/**
+ * TODO: The purpose of this API is unclear.
+ *       Need to start an internal discussion.
+ */
+bool SX1276_LoRaRadio::check_rf_frequency(uint32_t frequency)
+{
+    // Implement check. Currently all frequencies are supported ? What band ?
+    return true;
+}
+
+/**
+ * Returns current status of the radio state machine
+ */
+uint8_t SX1276_LoRaRadio::get_status(void)
+{
+    return _rf_settings.state;
+}
+
+/**
+ * Sets up carrier frequency
+ */
+void SX1276_LoRaRadio::set_channel(uint32_t freq)
+{
+    _rf_settings.channel = freq;
+    freq = (uint32_t) ((float) freq / (float) FREQ_STEP);
+    write_to_register(REG_FRFMSB, (uint8_t) ((freq >> 16) & 0xFF));
+    write_to_register(REG_FRFMID, (uint8_t) ((freq >> 8) & 0xFF));
+    write_to_register(REG_FRFLSB, (uint8_t) (freq & 0xFF));
+}
+
+/**
+ * Generates 32 bit random number based upon RSSI monitoring
+ * Used for various calculation by the stack for example dev nonce
+ *
+ * When this API is used modem is set in LoRa mode and all interrupts are
+ * masked. If the user had been using FSK mode, it should be noted that a
+ * change of mode is required again because the registers have changed.
+ * In addition to that RX and TX configuration APIs should be called again in
+ * order to have correct desires setup.
+ */
+uint32_t SX1276_LoRaRadio::random( void )
+{
+    uint8_t i;
+    uint32_t rnd = 0;
+
+    /*
+     * Radio setup for random number generation
+     */
+    set_modem( MODEM_LORA );
+
+    // Disable LoRa modem interrupts
+    write_to_register(REG_LR_IRQFLAGSMASK, RFLR_IRQFLAGS_RXTIMEOUT |
+                  RFLR_IRQFLAGS_RXDONE |
+                  RFLR_IRQFLAGS_PAYLOADCRCERROR |
+                  RFLR_IRQFLAGS_VALIDHEADER |
+                  RFLR_IRQFLAGS_TXDONE |
+                  RFLR_IRQFLAGS_CADDONE |
+                  RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL |
+                  RFLR_IRQFLAGS_CADDETECTED );
+
+    // Set radio in continuous reception
+    set_operation_mode(RF_OPMODE_RECEIVER);
+
+    for (i = 0; i < 32; i++) {
+        wait_ms(1);
+        // Unfiltered RSSI value reading. Only takes the LSB value
+        rnd |= ((uint32_t) read_register( REG_LR_RSSIWIDEBAND) & 0x01) << i;
+    }
+
+    sleep();
+
+    return rnd;
+}
+
+/**
+ * Sets up receiver related configurations
+ *
+ * Must be called before setting the radio in rx mode
+ */
+void SX1276_LoRaRadio::set_rx_config(radio_modems_t modem, uint32_t bandwidth,
+                                     uint32_t datarate, uint8_t coderate,
+                                     uint32_t bandwidth_afc,
+                                     uint16_t preamble_len,
+                                     uint16_t symb_timeout, bool fix_len,
+                                     uint8_t payload_len, bool crc_on,
+                                     bool freq_hop_on, uint8_t hop_period,
+                                     bool iq_inverted, bool rx_continuous)
+{
+    set_modem(modem);
+
+    switch (modem) {
+        case MODEM_FSK:
+            _rf_settings.fsk.bandwidth = bandwidth;
+            _rf_settings.fsk.datarate = datarate;
+            _rf_settings.fsk.bandwidth_afc = bandwidth_afc;
+            _rf_settings.fsk.fix_len = fix_len;
+            _rf_settings.fsk.payload_len = payload_len;
+            _rf_settings.fsk.crc_on = crc_on;
+            _rf_settings.fsk.iq_inverted = iq_inverted;
+            _rf_settings.fsk.rx_continuous = rx_continuous;
+            _rf_settings.fsk.preamble_len = preamble_len;
+            _rf_settings.fsk.rx_single_timeout = (symb_timeout + 1) / 2; // dividing by 2 as our detector size is 2 symbols (16 bytes)
+
+            datarate = (uint16_t) ((float) XTAL_FREQ / (float) datarate);
+            write_to_register(REG_BITRATEMSB, (uint8_t) (datarate >> 8));
+            write_to_register(REG_BITRATELSB, (uint8_t) (datarate & 0xFF));
+
+            write_to_register(REG_RXBW, get_fsk_bw_reg_val(bandwidth));
+            write_to_register(REG_AFCBW, get_fsk_bw_reg_val(bandwidth_afc));
+
+            write_to_register(REG_PREAMBLEMSB, (uint8_t) ((preamble_len >> 8) & 0xFF));
+            write_to_register(REG_PREAMBLELSB, (uint8_t) (preamble_len & 0xFF));
+
+            if (fix_len == 1) {
+                write_to_register(REG_PAYLOADLENGTH, payload_len);
+            } else {
+                write_to_register(REG_PAYLOADLENGTH, 0xFF); // Set payload length to the maximum
+            }
+
+            write_to_register(
+                    REG_PACKETCONFIG1,
+                    (read_register(REG_PACKETCONFIG1)
+                            & RF_PACKETCONFIG1_CRC_MASK
+                            & RF_PACKETCONFIG1_PACKETFORMAT_MASK)
+                            | ((fix_len == 1) ?
+                                    RF_PACKETCONFIG1_PACKETFORMAT_FIXED :
+                                    RF_PACKETCONFIG1_PACKETFORMAT_VARIABLE)
+                            | (crc_on << 4));
+
+            // TODO why packet mode 2 ?
+            write_to_register(REG_PACKETCONFIG2, (read_register(REG_PACKETCONFIG2)
+                                            | RF_PACKETCONFIG2_DATAMODE_PACKET));
+
+            break;
+
+        case MODEM_LORA:
+
+            if (bandwidth > 2) {
+                // Fatal error: When using LoRa modem only bandwidths 125, 250 and 500 kHz are supported
+                while (1)
+                    ;
+                // TODO Return a proper error from here
+            }
+
+            // stupid hack. TODO think something better
+            bandwidth+=7;
+
+            _rf_settings.lora.bandwidth = bandwidth;
+            _rf_settings.lora.datarate = datarate;
+            _rf_settings.lora.coderate = coderate;
+            _rf_settings.lora.preamble_len = preamble_len;
+            _rf_settings.lora.fix_len = fix_len;
+            _rf_settings.lora.payload_len = payload_len;
+            _rf_settings.lora.crc_on = crc_on;
+            _rf_settings.lora.freq_hop_on = freq_hop_on;
+            _rf_settings.lora.hop_period = hop_period;
+            _rf_settings.lora.iq_inverted = iq_inverted;
+            _rf_settings.lora.rx_continuous = rx_continuous;
+
+            if (datarate > 12) {
+                datarate = 12;
+            } else if (datarate < 6) {
+                datarate = 6;
+            }
+
+            if (((bandwidth == 7) && ((datarate == 11) || (datarate == 12)))
+                    || ((bandwidth == 8) && (datarate == 12))) {
+                _rf_settings.lora.low_datarate_optimize = 0x01;
+            } else {
+                _rf_settings.lora.low_datarate_optimize = 0x00;
+            }
+
+            write_to_register(REG_LR_MODEMCONFIG1, (read_register( REG_LR_MODEMCONFIG1)
+                            & RFLR_MODEMCONFIG1_BW_MASK
+                            & RFLR_MODEMCONFIG1_CODINGRATE_MASK
+                            & RFLR_MODEMCONFIG1_IMPLICITHEADER_MASK)
+                            | (bandwidth << 4)
+                            | (coderate << 1) | fix_len);
+
+            write_to_register(REG_LR_MODEMCONFIG2, (read_register( REG_LR_MODEMCONFIG2)
+                    & RFLR_MODEMCONFIG2_SF_MASK
+                    & RFLR_MODEMCONFIG2_RXPAYLOADCRC_MASK
+                    & RFLR_MODEMCONFIG2_SYMBTIMEOUTMSB_MASK)
+                            | (datarate << 4)
+                            | (crc_on << 2)
+                            | ((symb_timeout >> 8)
+                                    & ~RFLR_MODEMCONFIG2_SYMBTIMEOUTMSB_MASK));
+
+            write_to_register(REG_LR_MODEMCONFIG3, (read_register( REG_LR_MODEMCONFIG3)
+                    & RFLR_MODEMCONFIG3_LOWDATARATEOPTIMIZE_MASK)
+                            | (_rf_settings.lora.low_datarate_optimize << 3));
+
+            write_to_register(REG_LR_SYMBTIMEOUTLSB, (uint8_t) (symb_timeout & 0xFF));
+
+            write_to_register(REG_LR_PREAMBLEMSB, (uint8_t) ((preamble_len >> 8) & 0xFF));
+            write_to_register(REG_LR_PREAMBLELSB, (uint8_t) (preamble_len & 0xFF));
+
+            if (fix_len == 1) {
+                write_to_register(REG_LR_PAYLOADLENGTH, payload_len);
+            }
+
+            if (_rf_settings.lora.freq_hop_on == true) {
+                write_to_register(REG_LR_PLLHOP, (read_register( REG_LR_PLLHOP)
+                                & RFLR_PLLHOP_FASTHOP_MASK)
+                                | RFLR_PLLHOP_FASTHOP_ON);
+                write_to_register(REG_LR_HOPPERIOD,_rf_settings.lora.hop_period);
+            }
+
+            if ((bandwidth == 9) && (_rf_settings.channel > RF_MID_BAND_THRESH)) {
+                // ERRATA 2.1 - Sensitivity Optimization with a 500 kHz Bandwidth
+                write_to_register(REG_LR_TEST36, 0x02);
+                write_to_register(REG_LR_TEST3A, 0x64);
+            } else if (bandwidth == 9) {
+                // ERRATA 2.1 - Sensitivity Optimization with a 500 kHz Bandwidth
+                write_to_register(REG_LR_TEST36, 0x02);
+                write_to_register(REG_LR_TEST3A, 0x7F);
+            } else {
+                // ERRATA 2.1 - Sensitivity Optimization with a 500 kHz Bandwidth
+                write_to_register(REG_LR_TEST36, 0x03);
+            }
+
+            if (datarate == 6) {
+                write_to_register(REG_LR_DETECTOPTIMIZE, (read_register(REG_LR_DETECTOPTIMIZE)
+                                          & RFLR_DETECTIONOPTIMIZE_MASK)
+                                          | RFLR_DETECTIONOPTIMIZE_SF6);
+                write_to_register(REG_LR_DETECTIONTHRESHOLD, RFLR_DETECTIONTHRESH_SF6);
+            } else {
+                write_to_register(REG_LR_DETECTOPTIMIZE, (read_register(REG_LR_DETECTOPTIMIZE)
+                                          & RFLR_DETECTIONOPTIMIZE_MASK)
+                                          | RFLR_DETECTIONOPTIMIZE_SF7_TO_SF12);
+                write_to_register(REG_LR_DETECTIONTHRESHOLD, RFLR_DETECTIONTHRESH_SF7_TO_SF12);
+            }
+            break;
+
+        default:
+            break;
+    }
+}
+
+/**
+ * Sets up transmitter related configuration
+ *
+ * Must be called before putting the radio module in Tx mode or trying
+ * to send
+ */
+void SX1276_LoRaRadio::set_tx_config(radio_modems_t modem, int8_t power,
+                                     uint32_t fdev, uint32_t bandwidth,
+                                     uint32_t datarate, uint8_t coderate,
+                                     uint16_t preamble_len, bool fix_len,
+                                     bool crc_on, bool freq_hop_on,
+                                     uint8_t hop_period, bool iq_inverted,
+                                     uint32_t timeout)
+{
+    set_modem(modem);
+    set_rf_tx_power(power);
+
+    switch (modem) {
+        case MODEM_FSK:
+            _rf_settings.fsk.power = power;
+            _rf_settings.fsk.f_dev = fdev;
+            _rf_settings.fsk.bandwidth = bandwidth;
+            _rf_settings.fsk.datarate = datarate;
+            _rf_settings.fsk.preamble_len = preamble_len;
+            _rf_settings.fsk.fix_len = fix_len;
+            _rf_settings.fsk.crc_on = crc_on;
+            _rf_settings.fsk.iq_inverted = iq_inverted;
+            _rf_settings.fsk.tx_timeout = timeout;
+
+            fdev = (uint16_t) ((float) fdev / (float) FREQ_STEP);
+            write_to_register( REG_FDEVMSB, (uint8_t) (fdev >> 8));
+            write_to_register( REG_FDEVLSB, (uint8_t) (fdev & 0xFF));
+
+            datarate = (uint16_t) ((float) XTAL_FREQ / (float) datarate);
+            write_to_register( REG_BITRATEMSB, (uint8_t) (datarate >> 8));
+            write_to_register( REG_BITRATELSB, (uint8_t) (datarate & 0xFF));
+
+            write_to_register( REG_PREAMBLEMSB, (preamble_len >> 8) & 0x00FF);
+            write_to_register( REG_PREAMBLELSB, preamble_len & 0xFF);
+
+            write_to_register(REG_PACKETCONFIG1,
+                    (read_register( REG_PACKETCONFIG1) &
+                    RF_PACKETCONFIG1_CRC_MASK &
+                    RF_PACKETCONFIG1_PACKETFORMAT_MASK)
+                            | ((fix_len == 1) ?
+                                    RF_PACKETCONFIG1_PACKETFORMAT_FIXED :
+                                    RF_PACKETCONFIG1_PACKETFORMAT_VARIABLE)
+                            | (crc_on << 4));
+            write_to_register(REG_PACKETCONFIG2,
+                    (read_register( REG_PACKETCONFIG2)
+                            | RF_PACKETCONFIG2_DATAMODE_PACKET));
+
+            break;
+
+        case MODEM_LORA:
+            _rf_settings.lora.power = power;
+            // Fatal error: When using LoRa modem only bandwidths 125, 250 and 500 kHz are supported
+            MBED_ASSERT(bandwidth <= 2);
+            bandwidth += 7;
+            _rf_settings.lora.bandwidth = bandwidth;
+            _rf_settings.lora.datarate = datarate;
+            _rf_settings.lora.coderate = coderate;
+            _rf_settings.lora.preamble_len = preamble_len;
+            _rf_settings.lora.fix_len = fix_len;
+            _rf_settings.lora.freq_hop_on = freq_hop_on;
+            _rf_settings.lora.hop_period = hop_period;
+            _rf_settings.lora.crc_on = crc_on;
+            _rf_settings.lora.iq_inverted = iq_inverted;
+            _rf_settings.lora.tx_timeout = timeout;
+
+            if (datarate > 12) {
+                datarate = 12;
+            } else if (datarate < 6) {
+                datarate = 6;
+            }
+            if (((bandwidth == 7) && ((datarate == 11) || (datarate == 12)))
+                    || ((bandwidth == 8) && (datarate == 12))) {
+                _rf_settings.lora.low_datarate_optimize = 0x01;
+            } else {
+                _rf_settings.lora.low_datarate_optimize = 0x00;
+            }
+
+            if (_rf_settings.lora.freq_hop_on == true) {
+                write_to_register(REG_LR_PLLHOP, (read_register(REG_LR_PLLHOP)
+                                & RFLR_PLLHOP_FASTHOP_MASK)
+                                | RFLR_PLLHOP_FASTHOP_ON);
+                write_to_register( REG_LR_HOPPERIOD, _rf_settings.lora.hop_period);
+            }
+
+            write_to_register(REG_LR_MODEMCONFIG1, (read_register( REG_LR_MODEMCONFIG1)
+                    & RFLR_MODEMCONFIG1_BW_MASK
+                    & RFLR_MODEMCONFIG1_CODINGRATE_MASK
+                    & RFLR_MODEMCONFIG1_IMPLICITHEADER_MASK) | (bandwidth << 4)
+                                                | (coderate << 1) | fix_len);
+
+            write_to_register(REG_LR_MODEMCONFIG2, (read_register( REG_LR_MODEMCONFIG2)
+                    & RFLR_MODEMCONFIG2_SF_MASK
+                    & RFLR_MODEMCONFIG2_RXPAYLOADCRC_MASK)
+                              | (datarate << 4)
+                              | (crc_on << 2));
+
+            write_to_register(REG_LR_MODEMCONFIG3, (read_register(REG_LR_MODEMCONFIG3)
+                    & RFLR_MODEMCONFIG3_LOWDATARATEOPTIMIZE_MASK)
+                              | (_rf_settings.lora.low_datarate_optimize << 3));
+
+            write_to_register(REG_LR_PREAMBLEMSB, (preamble_len >> 8) & 0x00FF);
+            write_to_register(REG_LR_PREAMBLELSB, preamble_len & 0xFF);
+
+            if (datarate == 6) {
+                write_to_register(REG_LR_DETECTOPTIMIZE, (read_register( REG_LR_DETECTOPTIMIZE)
+                        & RFLR_DETECTIONOPTIMIZE_MASK) | RFLR_DETECTIONOPTIMIZE_SF6);
+                write_to_register(REG_LR_DETECTIONTHRESHOLD, RFLR_DETECTIONTHRESH_SF6);
+            } else {
+                write_to_register(REG_LR_DETECTOPTIMIZE, (read_register( REG_LR_DETECTOPTIMIZE)
+                        & RFLR_DETECTIONOPTIMIZE_MASK) | RFLR_DETECTIONOPTIMIZE_SF7_TO_SF12);
+                write_to_register( REG_LR_DETECTIONTHRESHOLD, RFLR_DETECTIONTHRESH_SF7_TO_SF12);
+            }
+
+            break;
+    }
+}
+
+/**
+ * Calculates time on Air i.e., dwell time for a single packet
+ *
+ * Crucial for the stack in order to calculate dwell time so as to control
+ * duty cycling.
+ */
+uint32_t SX1276_LoRaRadio::time_on_air(radio_modems_t modem, uint8_t pkt_len)
+{
+    uint32_t airTime = 0;
+
+    switch (modem) {
+        case MODEM_FSK:
+            airTime =
+                    rint((8 * (_rf_settings.fsk.preamble_len
+                                    + ((read_register( REG_SYNCCONFIG)
+                                            & ~RF_SYNCCONFIG_SYNCSIZE_MASK) + 1)
+                                    + ((_rf_settings.fsk.fix_len == 0x01) ?
+                                            0.0f : 1.0f)
+                                    + (((read_register( REG_PACKETCONFIG1)
+                                            & ~RF_PACKETCONFIG1_ADDRSFILTERING_MASK)
+                                            != 0x00) ? 1.0f : 0) + pkt_len
+                                    + ((_rf_settings.fsk.crc_on == 0x01) ?
+                                            2.0 : 0))
+                            / _rf_settings.fsk.datarate) * 1000);
+
+            break;
+        case MODEM_LORA:
+            float bw = 0.0f;
+            // REMARK: When using LoRa modem only bandwidths 125, 250 and 500 kHz are supported
+            switch (_rf_settings.lora.bandwidth) {
+                //case 0: // 7.8 kHz
+                //    bw = 78e2;
+                //    break;
+                //case 1: // 10.4 kHz
+                //    bw = 104e2;
+                //    break;
+                //case 2: // 15.6 kHz
+                //    bw = 156e2;
+                //    break;
+                //case 3: // 20.8 kHz
+                //    bw = 208e2;
+                //    break;
+                //case 4: // 31.2 kHz
+                //    bw = 312e2;
+                //    break;
+                //case 5: // 41.4 kHz
+                //    bw = 414e2;
+                //    break;
+                //case 6: // 62.5 kHz
+                //    bw = 625e2;
+                //    break;
+                case 7: // 125 kHz
+                    bw = 125000;
+                    break;
+                case 8: // 250 kHz
+                    bw = 250000;
+                    break;
+                case 9: // 500 kHz
+                    bw = 500000;
+                    break;
+            }
+
+            // Symbol rate : time for one symbol (secs)
+            float rs = bw / (1 << _rf_settings.lora.datarate);
+            float ts = 1 / rs;
+            // time of preamble
+            float tPreamble = (_rf_settings.lora.preamble_len + 4.25f) * ts;
+            // Symbol length of payload and time
+            float tmp = ceil((8 * pkt_len - 4 * _rf_settings.lora.datarate + 28
+                            + 16 * _rf_settings.lora.crc_on
+                            - (_rf_settings.lora.fix_len ? 20 : 0))
+                            / (float) (4
+                                    * (_rf_settings.lora.datarate
+                                            - ((_rf_settings.lora.low_datarate_optimize > 0)
+                                                    ? 2 : 0))))
+                            * (_rf_settings.lora.coderate + 4);
+            float nPayload = 8 + ((tmp > 0) ? tmp : 0);
+            float tPayload = nPayload * ts;
+            // Time on air
+            float tOnAir = tPreamble + tPayload;
+            // return ms secs
+            airTime = floor(tOnAir * 1000 + 0.999f);
+
+            break;
+    }
+
+    return airTime;
+}
+
+/**
+ * Prepares and sends the radio packet out in the air
+ */
+void SX1276_LoRaRadio::send(uint8_t *buffer, uint8_t size)
+{
+    uint32_t tx_timeout = 0;
+
+    switch (_rf_settings.modem) {
+        case MODEM_FSK:
+            _rf_settings.fsk_packet_handler.nb_bytes = 0;
+            _rf_settings.fsk_packet_handler.size = size;
+
+            if (_rf_settings.fsk.fix_len == false) {
+                write_fifo((uint8_t*) &size, 1);
+            } else {
+                write_to_register(REG_PAYLOADLENGTH, size);
+            }
+
+            if ((size > 0) && (size <= 64)) {
+                _rf_settings.fsk_packet_handler.chunk_size = size;
+            } else {
+                memcpy(_data_buffer, buffer, size);
+                _rf_settings.fsk_packet_handler.chunk_size = 32;
+            }
+
+            // Write payload buffer
+            write_fifo(buffer, _rf_settings.fsk_packet_handler.chunk_size);
+            _rf_settings.fsk_packet_handler.nb_bytes +=
+                    _rf_settings.fsk_packet_handler.chunk_size;
+            tx_timeout = _rf_settings.fsk.tx_timeout;
+
+            break;
+
+        case MODEM_LORA:
+            if (_rf_settings.lora.iq_inverted == true) {
+                write_to_register(REG_LR_INVERTIQ, ((read_register(REG_LR_INVERTIQ)
+                                & RFLR_INVERTIQ_TX_MASK
+                                & RFLR_INVERTIQ_RX_MASK)
+                                    | RFLR_INVERTIQ_RX_OFF
+                                    | RFLR_INVERTIQ_TX_ON));
+                write_to_register( REG_LR_INVERTIQ2, RFLR_INVERTIQ2_ON);
+            } else {
+                write_to_register(REG_LR_INVERTIQ, ((read_register( REG_LR_INVERTIQ)
+                                & RFLR_INVERTIQ_TX_MASK
+                                & RFLR_INVERTIQ_RX_MASK)
+                                    | RFLR_INVERTIQ_RX_OFF
+                                    | RFLR_INVERTIQ_TX_OFF));
+                write_to_register( REG_LR_INVERTIQ2, RFLR_INVERTIQ2_OFF);
+            }
+
+            _rf_settings.lora_packet_handler.size = size;
+
+            // Initializes the payload size
+            write_to_register(REG_LR_PAYLOADLENGTH, size);
+
+            // Full buffer used for Tx
+            write_to_register(REG_LR_FIFOTXBASEADDR, 0);
+            write_to_register(REG_LR_FIFOADDRPTR, 0);
+
+            // FIFO operations can not take place in Sleep mode
+            if ((read_register( REG_OPMODE) & ~RF_OPMODE_MASK) == RF_OPMODE_SLEEP) {
+                standby();
+                wait_ms(1);
+            }
+            // write_to_register payload buffer
+            write_fifo(buffer, size);
+            tx_timeout = _rf_settings.lora.tx_timeout;
+
+            break;
+    }
+
+    transmit(tx_timeout);
+}
+
+/**
+ * sets the radio module to sleep
+ */
+
+void SX1276_LoRaRadio::sleep()
+{
+    // stop timers
+    tx_timeout_timer.detach();
+
+    // put module in sleep mode
+    set_operation_mode(RF_OPMODE_SLEEP);
+}
+
+/**
+ * Put radio in Standby mode
+ */
+void SX1276_LoRaRadio::standby( void )
+{
+    tx_timeout_timer.detach();
+
+    set_operation_mode(RF_OPMODE_STANDBY);
+    _rf_settings.state = RF_IDLE;
+}
+
+/**
+ * Sets the radio module in receive mode
+ *
+ * A DIO4 interrupt let's the state machine know that a preamble is detected
+ * and finally a DIO0 interrupt let's the state machine know that a packet is
+ * ready to be read from the FIFO
+ */
+void SX1276_LoRaRadio::receive(void)
+{
+    switch (_rf_settings.modem) {
+        case MODEM_FSK:
+
+            // DIO0=PayloadReady/PacketSent
+            // DIO1=FifoLevel
+            // DIO2=RxTimeout
+            // DIO3=FifoEmpty?
+            // DIO4=PreambleDetect
+            // DIO5=ModeReady?
+            write_to_register(REG_DIOMAPPING1, (read_register( REG_DIOMAPPING1)
+                    & RF_DIOMAPPING1_DIO0_MASK
+                    & RF_DIOMAPPING1_DIO1_MASK
+                    & RF_DIOMAPPING1_DIO2_MASK)
+                              | RF_DIOMAPPING1_DIO0_00
+                              | RF_DIOMAPPING1_DIO1_00
+                              | RF_DIOMAPPING1_DIO2_10);
+
+            write_to_register(REG_DIOMAPPING2, (read_register( REG_DIOMAPPING2)
+                    & RF_DIOMAPPING2_DIO4_MASK
+                    & RF_DIOMAPPING2_MAP_MASK)
+                              | RF_DIOMAPPING2_DIO4_11
+                              | RF_DIOMAPPING2_MAP_PREAMBLEDETECT);
+
+            _rf_settings.fsk_packet_handler.fifo_thresh =
+                    read_register(REG_FIFOTHRESH) & 0x3F;
+
+            write_to_register(REG_RXCONFIG, RF_RXCONFIG_AFCAUTO_ON
+                              | RF_RXCONFIG_AGCAUTO_ON
+                              | RF_RXCONFIG_RXTRIGER_PREAMBLEDETECT);
+
+            if (!_rf_settings.fsk.rx_continuous) {
+                // the value for rx timeout in symbols cannot be more than 255
+                // as the preamble length is fixed. We assert here for quick
+                // diagnostics
+                MBED_ASSERT(_rf_settings.fsk.rx_single_timeout <= 255);
+                write_to_register(REG_RXTIMEOUT2, _rf_settings.fsk.rx_single_timeout);
+                write_to_register(REG_RXTIMEOUT3, 0x00);
+                write_to_register(REG_RXTIMEOUT1, 0x00);
+            }
+
+            _rf_settings.fsk_packet_handler.preamble_detected = 0;
+            _rf_settings.fsk_packet_handler.sync_word_detected = 0;
+            _rf_settings.fsk_packet_handler.nb_bytes = 0;
+            _rf_settings.fsk_packet_handler.size = 0;
+
+            break;
+
+        case MODEM_LORA:
+
+            if (_rf_settings.lora.iq_inverted == true) {
+                write_to_register(REG_LR_INVERTIQ, ((read_register( REG_LR_INVERTIQ)
+                                & RFLR_INVERTIQ_TX_MASK & RFLR_INVERTIQ_RX_MASK)
+                                | RFLR_INVERTIQ_RX_ON | RFLR_INVERTIQ_TX_OFF));
+                write_to_register( REG_LR_INVERTIQ2, RFLR_INVERTIQ2_ON);
+            } else {
+                write_to_register(REG_LR_INVERTIQ, ((read_register( REG_LR_INVERTIQ)
+                                & RFLR_INVERTIQ_TX_MASK & RFLR_INVERTIQ_RX_MASK)
+                                | RFLR_INVERTIQ_RX_OFF | RFLR_INVERTIQ_TX_OFF));
+                write_to_register( REG_LR_INVERTIQ2, RFLR_INVERTIQ2_OFF);
+            }
+
+            // ERRATA 2.3 - Receiver Spurious Reception of a LoRa Signal
+            if (_rf_settings.lora.bandwidth < 9) {
+                write_to_register(REG_LR_DETECTOPTIMIZE,
+                                  read_register(REG_LR_DETECTOPTIMIZE) & 0x7F);
+                write_to_register(REG_LR_TEST30, 0x00);
+                switch (_rf_settings.lora.bandwidth) {
+                    case 0: // 7.8 kHz
+                        write_to_register( REG_LR_TEST2F, 0x48);
+                        set_channel(_rf_settings.channel + 7.81e3);
+                        break;
+                    case 1: // 10.4 kHz
+                        write_to_register( REG_LR_TEST2F, 0x44);
+                        set_channel(_rf_settings.channel + 10.42e3);
+                        break;
+                    case 2: // 15.6 kHz
+                        write_to_register( REG_LR_TEST2F, 0x44);
+                        set_channel(_rf_settings.channel + 15.62e3);
+                        break;
+                    case 3: // 20.8 kHz
+                        write_to_register( REG_LR_TEST2F, 0x44);
+                        set_channel(_rf_settings.channel + 20.83e3);
+                        break;
+                    case 4: // 31.2 kHz
+                        write_to_register( REG_LR_TEST2F, 0x44);
+                        set_channel(_rf_settings.channel + 31.25e3);
+                        break;
+                    case 5: // 41.4 kHz
+                        write_to_register( REG_LR_TEST2F, 0x44);
+                        set_channel(_rf_settings.channel + 41.67e3);
+                        break;
+                    case 6: // 62.5 kHz
+                        write_to_register( REG_LR_TEST2F, 0x40);
+                        break;
+                    case 7: // 125 kHz
+                        write_to_register( REG_LR_TEST2F, 0x40);
+                        break;
+                    case 8: // 250 kHz
+                        write_to_register( REG_LR_TEST2F, 0x40);
+                        break;
+                }
+            } else {
+                write_to_register( REG_LR_DETECTOPTIMIZE,
+                                  read_register( REG_LR_DETECTOPTIMIZE) | 0x80);
+            }
+
+            if (_rf_settings.lora.freq_hop_on == true) {
+                write_to_register(REG_LR_IRQFLAGSMASK, RFLR_IRQFLAGS_VALIDHEADER
+                                  | RFLR_IRQFLAGS_TXDONE
+                                  | RFLR_IRQFLAGS_CADDONE
+                                  | RFLR_IRQFLAGS_CADDETECTED);
+
+                // DIO0=RxDone, DIO2=FhssChangeChannel
+                write_to_register(REG_DIOMAPPING1, (read_register(REG_DIOMAPPING1)
+                                & RFLR_DIOMAPPING1_DIO0_MASK
+                                & RFLR_DIOMAPPING1_DIO2_MASK)
+                                | RFLR_DIOMAPPING1_DIO0_00
+                                | RFLR_DIOMAPPING1_DIO2_00);
+            } else {
+                write_to_register(REG_LR_IRQFLAGSMASK, RFLR_IRQFLAGS_VALIDHEADER
+                                   | RFLR_IRQFLAGS_TXDONE
+                                   | RFLR_IRQFLAGS_CADDONE
+                                   | RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL
+                                   | RFLR_IRQFLAGS_CADDETECTED);
+
+                // DIO0=RxDone
+                write_to_register(REG_DIOMAPPING1, (read_register( REG_DIOMAPPING1)
+                                & RFLR_DIOMAPPING1_DIO0_MASK)
+                                  | RFLR_DIOMAPPING1_DIO0_00);
+            }
+            write_to_register(REG_LR_FIFORXBASEADDR, 0);
+            write_to_register(REG_LR_FIFOADDRPTR, 0);
+
+            break;
+    }
+
+    memset(_data_buffer, 0, (size_t) MAX_DATA_BUFFER_SIZE_SX1276);
+
+    _rf_settings.state = RF_RX_RUNNING;
+
+    if (_rf_settings.modem == MODEM_FSK) {
+        set_operation_mode(RF_OPMODE_RECEIVER);
+        return;
+    }
+
+    // If mode is LoRa set mode
+    if (_rf_settings.lora.rx_continuous == true) {
+        set_operation_mode(RFLR_OPMODE_RECEIVER);
+    } else {
+        set_operation_mode(RFLR_OPMODE_RECEIVER_SINGLE);
+    }
+}
+
+
+/**
+ * Perform carrier sensing
+ *
+ * Checks for a certain time if the RSSI is above a given threshold.
+ * This threshold determines if there is already a transmission going on
+ * in the channel or not.
+ *
+ */
+bool SX1276_LoRaRadio::perform_carrier_sense(radio_modems_t modem,
+                                   uint32_t freq,
+                                   int16_t rssi_threshold,
+                                   uint32_t max_carrier_sense_time)
+{
+    bool status = true;
+    int16_t rssi = 0;
+
+    set_modem(modem);
+    set_channel(freq);
+    set_operation_mode(RF_OPMODE_RECEIVER);
+
+    // hold on a bit, radio turn-around time
+    wait_ms(1);
+
+    Timer elapsed_time;
+    elapsed_time.start();
+
+    // Perform carrier sense for maxCarrierSenseTime
+    while (elapsed_time.read_ms() < (int)max_carrier_sense_time) {
+        rssi = get_rssi(modem);
+
+        if (rssi > rssi_threshold) {
+            status = false;
+            break;
+        }
+    }
+
+    sleep();
+    return status;
+}
+
+/**
+ * TODO: Making sure if this API is valid only for LoRa modulation ?
+ *
+ * Indicates if the node is part of a private or public network
+ */
+void SX1276_LoRaRadio::set_public_network(bool enable)
+{
+    set_modem(MODEM_LORA);
+
+    _rf_settings.lora.public_network = enable;
+    if (enable == true) {
+        // Change lora modem SyncWord
+        write_to_register(REG_LR_SYNCWORD, LORA_MAC_PUBLIC_SYNCWORD);
+    } else {
+        // Change lora modem SyncWord
+        write_to_register(REG_LR_SYNCWORD, LORA_MAC_PRIVATE_SYNCWORD);
+    }
+}
+
+/**
+ * Puts a limit on the size of payload the module can handle
+ * By default it is MAX, i.e., 256 bytes
+ */
+void SX1276_LoRaRadio::set_max_payload_length(radio_modems_t modem, uint8_t max)
+{
+    set_modem(modem);
+
+    switch (modem) {
+        case MODEM_FSK:
+            if (_rf_settings.fsk.fix_len == false) {
+                write_to_register(REG_PAYLOADLENGTH, max);
+            }
+            break;
+        case MODEM_LORA:
+            write_to_register(REG_LR_PAYLOADMAXLENGTH, max);
+            break;
+    }
+}
+
+/**
+ * Channel Activity detection (can be done only in LoRa mode)
+ *
+ * If any activity on the channel is detected, an interrupt is asserted on
+ * DIO3. A callback will be generated to the stack/application upon the
+ * assertion of DIO3.
+ */
+void SX1276_LoRaRadio::start_cad()
+{
+    uint8_t reg_val;
+
+    switch (_rf_settings.modem) {
+        case MODEM_FSK:
+            break;
+        case MODEM_LORA:
+            write_to_register(REG_LR_IRQFLAGSMASK,
+                              RFLR_IRQFLAGS_RXTIMEOUT |
+                              RFLR_IRQFLAGS_RXDONE |
+                              RFLR_IRQFLAGS_PAYLOADCRCERROR |
+                              RFLR_IRQFLAGS_VALIDHEADER |
+                              RFLR_IRQFLAGS_TXDONE |
+                              RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL);
+
+            // DIO3=CADDone
+            reg_val = read_register(REG_DIOMAPPING1);
+            write_to_register(REG_DIOMAPPING1, (reg_val &
+                              RFLR_DIOMAPPING1_DIO3_MASK) |
+                              RFLR_DIOMAPPING1_DIO3_00);
+
+            set_operation_mode(RFLR_OPMODE_CAD);
+
+            _rf_settings.state = RF_CAD;
+
+            break;
+        default:
+            break;
+    }
+}
+
+/**
+ * Set transmission in continuous wave mode
+ */
+void SX1276_LoRaRadio::set_tx_continuous_wave(uint32_t freq, int8_t power,
+                                              uint16_t time)
+{
+    uint8_t reg_val;
+
+    set_channel(freq);
+    set_tx_config(MODEM_FSK, power, 0, 0, 4800, 0, 5, false, false, 0, 0, 0, time * 1000);
+    reg_val = read_register(REG_PACKETCONFIG2);
+
+    write_to_register( REG_PACKETCONFIG2, (reg_val & RF_PACKETCONFIG2_DATAMODE_MASK ) );
+    // Disable radio interrupts
+    write_to_register( REG_DIOMAPPING1, RF_DIOMAPPING1_DIO0_11 | RF_DIOMAPPING1_DIO1_11 );
+    write_to_register( REG_DIOMAPPING2, RF_DIOMAPPING2_DIO4_10 | RF_DIOMAPPING2_DIO5_10 );
+
+    _rf_settings.state = RF_TX_RUNNING;
+    tx_timeout_timer.attach_us(callback(this, &SX1276_LoRaRadio::timeout_irq_isr), time * 1000000);
+    set_operation_mode(RF_OPMODE_TRANSMITTER);
+}
+
+/*****************************************************************************
+ * Private APIs                                                              *
+ ****************************************************************************/
+#ifdef MBED_CONF_RTOS_PRESENT
+/**
+ * Thread task handling IRQs
+ */
+void SX1276_LoRaRadio::rf_irq_task(void)
+{
+    for (;;) {
+        osEvent event = irq_thread.signal_wait(0, osWaitForever);
+        if (event.status != osEventSignal) {
+            continue;
+        }
+
+        lock();
+        if (event.value.signals & SIG_DIO0) {
+            handle_dio0_irq();
+        }
+        if (event.value.signals & SIG_DIO1) {
+            handle_dio1_irq();
+        }
+        if (event.value.signals & SIG_DIO2) {
+            handle_dio2_irq();
+        }
+        if (event.value.signals & SIG_DIO3) {
+            handle_dio3_irq();
+        }
+        if (event.value.signals & SIG_DIO4) {
+            handle_dio4_irq();
+        }
+        if (event.value.signals & SIG_DIO5) {
+            handle_dio5_irq();
+        }
+        if (event.value.signals & SIG_TIMOUT) {
+            handle_timeout_irq();
+        }
+        unlock();
+    }
+}
+#endif
+
+/**
+ * Writes a single byte to a given register
+ */
+void SX1276_LoRaRadio::write_to_register(uint8_t addr, uint8_t data)
+{
+    write_to_register(addr, &data, 1);
+}
+
+/**
+ * Writes multiple bytes to a given register
+ */
+void SX1276_LoRaRadio::write_to_register(uint8_t addr, uint8_t *data, uint8_t size)
+{
+    // set chip-select low
+    _chip_select = 0;
+
+    // set write command
+    _spi.write(addr | SPI_WRITE_CMD);
+
+    // write data
+    for (uint8_t i = 0; i < size; i++) {
+        _spi.write(data[i]);
+    }
+
+    // set chip-select high
+    _chip_select = 1;
+}
+
+/**
+ * Reads the value of a single register
+ */
+uint8_t SX1276_LoRaRadio::read_register(uint8_t addr)
+{
+    uint8_t data;
+    read_register(addr, &data, 1);
+    return data;
+}
+
+/**
+ * Reads multiple values from a given register
+ */
+void SX1276_LoRaRadio::read_register(uint8_t addr, uint8_t *buffer, uint8_t size)
+{
+    // set chip-select low
+    _chip_select = 0;
+
+    // set read command
+    _spi.write(addr & SPI_READ_CMD);
+
+    // read buffers
+    for (uint8_t i = 0; i < size; i++) {
+        buffer[i] = _spi.write(0);
+    }
+
+    // set chip-select high
+    _chip_select = 1;
+}
+
+/**
+ * Writes to FIIO provided by the chip
+ */
+void SX1276_LoRaRadio::write_fifo(uint8_t *buffer, uint8_t size)
+{
+    write_to_register(0, buffer, size);
+}
+
+/**
+ * Reads from the FIFO provided by the chip
+ */
+void SX1276_LoRaRadio::read_fifo(uint8_t *buffer, uint8_t size)
+{
+    read_register(0, buffer, size);
+}
+
+/**
+ * Sets up operation mode
+ */
+void SX1276_LoRaRadio::set_operation_mode(uint8_t mode)
+{
+    if (mode == RF_OPMODE_SLEEP) {
+        set_low_power_mode();
+    } else {
+        set_low_power_mode();
+        set_antenna_switch(mode);
+    }
+
+    write_to_register(REG_OPMODE, (read_register(REG_OPMODE) & RF_OPMODE_MASK) | mode);
+}
+
+/**
+ * Sets the modem type to use
+ *
+ * At initialization FSK is chosen. Later stack or application
+ * can choose to change.
+ */
+void SX1276_LoRaRadio::set_modem(uint8_t modem )
+{
+    if ((read_register(REG_OPMODE) & RFLR_OPMODE_LONGRANGEMODE_ON) != 0 ) {
+        _rf_settings.modem = MODEM_LORA;
+    } else {
+        _rf_settings.modem = MODEM_FSK;
+    }
+
+    if(_rf_settings.modem == modem ) {
+        // if the modem is already set
+        return;
+    }
+
+    _rf_settings.modem = modem;
+
+    switch(_rf_settings.modem)
+    {
+    default:
+    case MODEM_FSK:
+        // before changing modem mode, put the module to sleep
+        sleep();
+        write_to_register(REG_OPMODE, (read_register(REG_OPMODE) & RFLR_OPMODE_LONGRANGEMODE_MASK)
+                                      | RFLR_OPMODE_LONGRANGEMODE_OFF);
+
+        // Datasheet Tables 28, 29 DIO mapping
+        write_to_register(REG_DIOMAPPING1, 0x00); // sets DIO0-DI03 in default mode
+        write_to_register(REG_DIOMAPPING2, 0x30); // bits 4-5 are turned on i.e.,
+                                                  //  DIO5 and DIO4=ModeReady
+        break;
+    case MODEM_LORA:
+        sleep();
+        write_to_register(REG_OPMODE, (read_register(REG_OPMODE) & RFLR_OPMODE_LONGRANGEMODE_MASK)
+                                      | RFLR_OPMODE_LONGRANGEMODE_ON);
+
+        // Datasheet Tables 17 DIO mapping for LoRa
+        // set to defaults
+        write_to_register(REG_DIOMAPPING1, 0x00); // DIO0 - DIO3 defaults
+        write_to_register(REG_DIOMAPPING2, 0x00); // DIO4 - DIO5 defaults
+
+        break;
+    }
+}
+
+/**
+ * Set the radio module variant
+ */
+void SX1276_LoRaRadio::set_sx1276_variant_type()
+{
+    if (_rf_ctrls.ant_switch != NC) {
+        _ant_switch.input();
+        wait_ms(1);
+        if (_ant_switch == 1) {
+            radio_variant = SX1276MB1LAS;
+        } else {
+            radio_variant = SX1276MB1MAS;
+        }
+        _ant_switch.output();
+        wait_ms(1);
+    } else {
+        radio_variant = SX1276UNDEFINED;
+    }
+}
+
+/**
+ * Sets up frequency for SPI module
+ * Reference DataSheet: 4.3 SPI Interface
+ */
+void SX1276_LoRaRadio::setup_spi()
+{
+    // SPI bus frequency
+    uint32_t spi_freq = SPI_FREQUENCY;
+
+    // Hold chip-select high
+    _chip_select = 1;
+    _spi.format(8, 0);
+
+#if defined (TARGET_KL25Z)
+    //bus-clock frequency is halved -> double the SPI frequency to compensate
+    _spi.frequency(spi_freq * 2);
+#else
+    // otherwise use default SPI frequency which is 8 MHz
+    _spi.frequency(spi_freq);
+#endif
+    // 100 us wait to settle down
+    wait(0.1);
+}
+
+/**
+ * Sets the radio registers to defaults
+ */
+void SX1276_LoRaRadio::setup_registers()
+{
+    for (unsigned int i = 0; i < sizeof(radio_reg_init) / sizeof(radio_registers_t); i++) {
+        set_modem(radio_reg_init[i].modem);
+        write_to_register(radio_reg_init[i].addr, radio_reg_init[i].value);
+    }
+}
+
+/**
+ * Performs the Rx chain calibration for LF and HF bands
+ *
+ * Must be called just after the reset so all registers are at their
+ * default values.
+ */
+void SX1276_LoRaRadio::rx_chain_calibration(void)
+{
+    uint8_t regPaConfigInitVal;
+    uint32_t initialFreq;
+
+    // Save context
+    regPaConfigInitVal = read_register( REG_PACONFIG );
+    initialFreq = (float) (((uint32_t) this->read_register(REG_FRFMSB) << 16) |
+                            ((uint32_t) this->read_register(REG_FRFMID) << 8 ) |
+                            ((uint32_t)this->read_register(REG_FRFLSB))) * (float) FREQ_STEP;
+
+    // Cut the PA just in case, RFO output, power = -1 dBm
+    write_to_register(REG_PACONFIG, 0x00);
+
+    // Launch Rx chain calibration for LF band
+    write_to_register (REG_IMAGECAL, (read_register(REG_IMAGECAL)
+                                       & RF_IMAGECAL_IMAGECAL_MASK)
+                                       | RF_IMAGECAL_IMAGECAL_START);
+    while((read_register(REG_IMAGECAL) & RF_IMAGECAL_IMAGECAL_RUNNING )
+                                      == RF_IMAGECAL_IMAGECAL_RUNNING )
+    {
+    }
+
+    // Sets a Frequency in HF band
+    set_channel(868000000);
+
+    // Launch Rx chain calibration for HF band
+    write_to_register (REG_IMAGECAL, (read_register(REG_IMAGECAL)
+                                      & RF_IMAGECAL_IMAGECAL_MASK )
+                                      | RF_IMAGECAL_IMAGECAL_START );
+    while((read_register(REG_IMAGECAL) & RF_IMAGECAL_IMAGECAL_RUNNING )
+                                      == RF_IMAGECAL_IMAGECAL_RUNNING )
+    {
+        // do nothing, just wait while rf image frequency calibration is done
+    }
+
+    // Restore context
+    write_to_register( REG_PACONFIG, regPaConfigInitVal );
+    set_channel(initialFreq);
+}
+
+/**
+ * Gets FSK bandwidth values
+ *
+ * Gives either normal bandwidths or bandwidths for
+ * AFC (auto frequency correction)
+ */
+uint8_t SX1276_LoRaRadio::get_fsk_bw_reg_val(uint32_t bandwidth)
+{
+    uint8_t i;
+
+    for (i = 0; i < (sizeof(fsk_bandwidths) / sizeof(fsk_bw_t)) - 1; i++) {
+        if ((bandwidth >= fsk_bandwidths[i].bandwidth)
+                && (bandwidth < fsk_bandwidths[i + 1].bandwidth)) {
+            return fsk_bandwidths[i].register_value;
+        }
+    }
+    // ERROR: Value not found
+    // This should never happen
+    while (1);
+}
+
+uint8_t SX1276_LoRaRadio::get_pa_conf_reg(uint32_t channel)
+{
+    if (radio_variant == SX1276UNDEFINED) {
+        return RF_PACONFIG_PASELECT_PABOOST;
+    } else if (channel > RF_MID_BAND_THRESH) {
+        if (radio_variant == SX1276MB1LAS) {
+            return RF_PACONFIG_PASELECT_PABOOST;
+        } else {
+            return RF_PACONFIG_PASELECT_RFO;
+        }
+    } else {
+        return RF_PACONFIG_PASELECT_RFO;
+    }
+}
+
+/**
+ * Sets the transmit power for the module
+ */
+void SX1276_LoRaRadio::set_rf_tx_power(int8_t power)
+{
+
+    uint8_t paConfig = 0;
+    uint8_t paDac = 0;
+
+    paConfig = read_register(REG_PACONFIG);
+    paDac = read_register(REG_PADAC);
+
+    paConfig = (paConfig & RF_PACONFIG_PASELECT_MASK) | get_pa_conf_reg(_rf_settings.channel);
+    paConfig = (paConfig & RF_PACONFIG_MAX_POWER_MASK) | 0x70;
+
+    if ((paConfig & RF_PACONFIG_PASELECT_PABOOST) == RF_PACONFIG_PASELECT_PABOOST) {
+        if (power > 17) {
+            paDac = (paDac & RF_PADAC_20DBM_MASK) | RF_PADAC_20DBM_ON;
+        } else {
+            paDac = (paDac & RF_PADAC_20DBM_MASK) | RF_PADAC_20DBM_OFF;
+        }
+        if ((paDac & RF_PADAC_20DBM_ON) == RF_PADAC_20DBM_ON) {
+            if (power < 5) {
+                power = 5;
+            }
+            if (power > 20) {
+                power = 20;
+            }
+            paConfig = (paConfig & RF_PACONFIG_OUTPUTPOWER_MASK)
+                    | (uint8_t) ((uint16_t) (power - 5) & 0x0F);
+        } else {
+            if (power < 2) {
+                power = 2;
+            }
+            if (power > 17) {
+                power = 17;
+            }
+            paConfig = (paConfig & RF_PACONFIG_OUTPUTPOWER_MASK)
+                    | (uint8_t) ((uint16_t) (power - 2) & 0x0F);
+        }
+    } else {
+        if (power < -1) {
+            power = -1;
+        }
+        if (power > 14) {
+            power = 14;
+        }
+        paConfig = (paConfig & RF_PACONFIG_OUTPUTPOWER_MASK)
+                | (uint8_t) ((uint16_t) (power + 1) & 0x0F);
+    }
+    write_to_register( REG_PACONFIG, paConfig);
+    write_to_register( REG_PADAC, paDac);
+}
+
+/**
+ * Actual TX - Transmit routine
+ *
+ * A DIO0 interrupt let the state machine know that a a packet is
+ * successfully sent, otherwise a TxTimeout is invoked.
+ * TxTimeout should never happen in normal circumstances as the radio should
+ * be able to send a packet out in the air no matter what.
+ */
+void SX1276_LoRaRadio::transmit(uint32_t timeout)
+{
+    switch (_rf_settings.modem) {
+
+        case MODEM_FSK:
+            // DIO0=PacketSent
+            // DIO1=FifoEmpty
+            // DIO2=FifoFull
+            // DIO3=FifoEmpty
+            // DIO4=LowBat
+            // DIO5=ModeReady
+            write_to_register(REG_DIOMAPPING1,(read_register(REG_DIOMAPPING1) &
+                              RF_DIOMAPPING1_DIO0_MASK &
+                              RF_DIOMAPPING1_DIO1_MASK &
+                              RF_DIOMAPPING1_DIO2_MASK) |
+                              RF_DIOMAPPING1_DIO1_01);
+
+            write_to_register(REG_DIOMAPPING2, (read_register(REG_DIOMAPPING2) &
+                              RF_DIOMAPPING2_DIO4_MASK &
+                              RF_DIOMAPPING2_MAP_MASK));
+            _rf_settings.fsk_packet_handler.fifo_thresh =
+                              read_register(REG_FIFOTHRESH) & 0x3F;
+
+            break;
+
+        case MODEM_LORA:
+
+            if (_rf_settings.lora.freq_hop_on == true) {
+                write_to_register(REG_LR_IRQFLAGSMASK,
+                                  RFLR_IRQFLAGS_RXTIMEOUT |
+                                  RFLR_IRQFLAGS_RXDONE |
+                                  RFLR_IRQFLAGS_PAYLOADCRCERROR |
+                                  RFLR_IRQFLAGS_VALIDHEADER |
+                                  RFLR_IRQFLAGS_CADDONE |
+                                  RFLR_IRQFLAGS_CADDETECTED);
+
+                // DIO0=tx_done, DIO2=fhss_change_channel
+
+                write_to_register(REG_DIOMAPPING1, (read_register(REG_DIOMAPPING1) &
+                                  RFLR_DIOMAPPING1_DIO0_MASK &
+                                  RFLR_DIOMAPPING1_DIO2_MASK) |
+                                  RFLR_DIOMAPPING1_DIO0_01 |
+                                  RFLR_DIOMAPPING1_DIO2_01);
+            } else {
+                write_to_register(REG_LR_IRQFLAGSMASK,
+                                  RFLR_IRQFLAGS_RXTIMEOUT |
+                                  RFLR_IRQFLAGS_RXDONE |
+                                  RFLR_IRQFLAGS_PAYLOADCRCERROR |
+                                  RFLR_IRQFLAGS_VALIDHEADER |
+                                  RFLR_IRQFLAGS_CADDONE |
+                                  RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL |
+                                  RFLR_IRQFLAGS_CADDETECTED);
+
+                // DIO0=tx_done
+                write_to_register(REG_DIOMAPPING1,(read_register(REG_DIOMAPPING1) &
+                                  RFLR_DIOMAPPING1_DIO0_MASK) |
+                                  RFLR_DIOMAPPING1_DIO0_01);
+            }
+
+            break;
+    }
+
+    _rf_settings.state = RF_TX_RUNNING;
+
+    tx_timeout_timer.attach_us(callback(this,
+                               &SX1276_LoRaRadio::timeout_irq_isr), timeout * 1000);
+
+    set_operation_mode(RF_OPMODE_TRANSMITTER);
+}
+
+/**
+ * Get RSSI from the module
+ */
+int16_t SX1276_LoRaRadio::get_rssi(radio_modems_t modem)
+{
+    int16_t rssi = 0;
+
+    switch (modem) {
+        case MODEM_FSK:
+            rssi = -(read_register(REG_RSSIVALUE) >> 1);
+            break;
+        case MODEM_LORA:
+            if (_rf_settings.channel > RF_MID_BAND_THRESH) {
+                rssi = RSSI_OFFSET_HF + read_register(REG_LR_RSSIVALUE);
+            } else {
+                rssi = RSSI_OFFSET_LF + read_register(REG_LR_RSSIVALUE);
+            }
+            break;
+        default:
+            rssi = -1;
+            break;
+    }
+    return rssi;
+}
+
+/**
+ * Sets the module in low power mode by disconnecting
+ * TX and RX submodules, turning off power amplifier etc.
+ */
+void SX1276_LoRaRadio::set_low_power_mode()
+{
+
+    if (_rf_ctrls.rf_switch_ctl1 != NC) {
+        _rf_switch_ctl1 = 0;
+    }
+
+    if (_rf_ctrls.rf_switch_ctl2 != NC) {
+        _rf_switch_ctl2 = 0;
+    }
+
+    if (_rf_ctrls.pwr_amp_ctl != NC) {
+        _pwr_amp_ctl = 0;
+    }
+
+    if (_rf_ctrls.txctl != NC) {
+        _txctl = 0;
+    }
+
+    if (_rf_ctrls.rxctl != NC) {
+        _rxctl = 0;
+    }
+
+    if (_rf_ctrls.ant_switch != NC) {
+        _ant_switch = 0;
+    }
+}
+
+/**
+ * Attaches ISRs to interrupt pins
+ */
+void SX1276_LoRaRadio::setup_interrupts()
+{
+    _dio0_ctl.rise(callback(this, &SX1276_LoRaRadio::dio0_irq_isr));
+    _dio1_ctl.rise(callback(this, &SX1276_LoRaRadio::dio1_irq_isr));
+    _dio2_ctl.rise(callback(this, &SX1276_LoRaRadio::dio2_irq_isr));
+    _dio3_ctl.rise(callback(this, &SX1276_LoRaRadio::dio3_irq_isr));
+    if (_dio4_pin != NC) {
+        _dio4_ctl.rise(callback(this, &SX1276_LoRaRadio::dio4_irq_isr));
+    }
+    if (_dio5_pin != NC) {
+        _dio5_ctl.rise(callback(this, &SX1276_LoRaRadio::dio5_irq_isr));
+    }
+}
+
+/**
+ * Sets up radio latch position according to the
+ * radio mode
+ */
+void SX1276_LoRaRadio::set_antenna_switch(uint8_t mode)
+{
+    // here we got to do ifdef for changing controls
+    // as some pins might be NC
+    switch (mode) {
+        case RFLR_OPMODE_TRANSMITTER:
+            if (_rf_ctrls.rf_switch_ctl1 != NC
+                && _rf_ctrls.rf_switch_ctl2 != NC) {
+                // module is in transmit mode and RF latch switches
+                // are connected. Check if power amplifier boost is
+                // setup or not
+                if ((read_register(REG_PACONFIG) & RF_PACONFIG_PASELECT_PABOOST)
+                                       == RF_PACONFIG_PASELECT_PABOOST) {
+                    _rf_switch_ctl1 = 1;
+                    _rf_switch_ctl2 = 0;
+                } else {
+                    // power amplifier not selected
+                    _rf_switch_ctl1 = 0;
+                    _rf_switch_ctl2 = 1;
+                }
+            }
+            if (_rf_ctrls.txctl != NC && _rf_ctrls.rxctl != NC) {
+                // module is in transmit mode and tx/rx submodule control
+                // pins are connected
+                if (_rf_ctrls.pwr_amp_ctl != NC) {
+                    if (read_register(REG_PACONFIG) & RF_PACONFIG_PASELECT_PABOOST) {
+                        _pwr_amp_ctl = 1;
+                        _txctl = 0;
+                    } else {
+                        _pwr_amp_ctl = 0;
+                        _txctl = 1;
+                    }
+                } else {
+                    _txctl = 1;
+                }
+                _rxctl = 0;
+            }
+            if (_rf_ctrls.ant_switch != NC){
+                _ant_switch = 1;
+            }
+            break;
+        case RFLR_OPMODE_RECEIVER:
+        case RFLR_OPMODE_RECEIVER_SINGLE:
+        case RFLR_OPMODE_CAD:
+            if (_rf_ctrls.rf_switch_ctl1 != NC
+                && _rf_ctrls.rf_switch_ctl2 != NC) {
+                // radio is in reception or CAD mode and RF latch switches
+                // are connected
+                _rf_switch_ctl1 = 1;
+                _rf_switch_ctl2 = 1;
+            }
+            if (_rf_ctrls.txctl != NC && _rf_ctrls.rxctl != NC) {
+                _txctl = 0;
+                _rxctl = 1;
+            }
+            if (_rf_ctrls.ant_switch != NC) {
+                _ant_switch = 0;
+            }
+            if (_rf_ctrls.pwr_amp_ctl != NC) {
+                _pwr_amp_ctl = 0;
+            }
+            break;
+        default:
+            // Enforce default case  when any connected control pin is kept low.
+            if (_rf_ctrls.rf_switch_ctl1 != NC
+                && _rf_ctrls.rf_switch_ctl2 != NC) {
+                // radio is in reception or CAD mode and RF latch switches
+                // are connected
+                _rf_switch_ctl1 = 0;
+                _rf_switch_ctl2 = 0;
+            }
+            if (_rf_ctrls.txctl != NC && _rf_ctrls.rxctl != NC) {
+                _txctl = 0;
+                _rxctl = 0;
+            }
+            if (_rf_ctrls.ant_switch != NC) {
+                _ant_switch = 0;
+            }
+            if (_rf_ctrls.pwr_amp_ctl != NC) {
+                _pwr_amp_ctl = 0;
+            }
+            break;
+    }
+}
+
+/*****************************************************************************
+ * Interrupt service routines (ISRs) - set signals to the irq_thread         *
+ ****************************************************************************/
+void SX1276_LoRaRadio::dio0_irq_isr()
+{
+#ifdef MBED_CONF_RTOS_PRESENT
+   irq_thread.signal_set(SIG_DIO0);
+#else
+   handle_dio0_irq();
+#endif
+}
+
+void SX1276_LoRaRadio::dio1_irq_isr()
+{
+#ifdef MBED_CONF_RTOS_PRESENT
+    irq_thread.signal_set(SIG_DIO1);
+#else
+    handle_dio1_irq();
+#endif
+}
+
+void SX1276_LoRaRadio::dio2_irq_isr()
+{
+#ifdef MBED_CONF_RTOS_PRESENT
+    irq_thread.signal_set(SIG_DIO2);
+#else
+    handle_dio2_irq();
+#endif
+}
+
+void SX1276_LoRaRadio::dio3_irq_isr()
+{
+#ifdef MBED_CONF_RTOS_PRESENT
+    irq_thread.signal_set(SIG_DIO3);
+#else
+    handle_dio3_irq();
+#endif
+}
+
+void SX1276_LoRaRadio::dio4_irq_isr()
+{
+#ifdef MBED_CONF_RTOS_PRESENT
+    irq_thread.signal_set(SIG_DIO4);
+#else
+    handle_dio4_irq();
+#endif
+}
+
+void SX1276_LoRaRadio::dio5_irq_isr()
+{
+#ifdef MBED_CONF_RTOS_PRESENT
+    irq_thread.signal_set(SIG_DIO5);
+#else
+    handle_dio5_irq();
+#endif
+}
+
+// This is not a hardware interrupt
+// we invoke it ourselves based upon
+// our timers
+void SX1276_LoRaRadio::timeout_irq_isr()
+{
+#ifdef MBED_CONF_RTOS_PRESENT
+    irq_thread.signal_set(SIG_TIMOUT);
+#else
+    handle_timeout_irq();
+#endif
+}
+
+/******************************************************************************
+ * Interrupt Handlers                                                         *
+ *****************************************************************************/
+
+void SX1276_LoRaRadio::handle_dio0_irq()
+{
+    volatile uint8_t irqFlags = 0;
+
+    switch (_rf_settings.state) {
+        case RF_RX_RUNNING:
+            switch (_rf_settings.modem) {
+                case MODEM_FSK:
+                    if (_rf_settings.fsk.crc_on == true) {
+                        irqFlags = read_register(REG_IRQFLAGS2);
+                        if ((irqFlags & RF_IRQFLAGS2_CRCOK)
+                                != RF_IRQFLAGS2_CRCOK) {
+                            // Clear Irqs
+                            write_to_register(REG_IRQFLAGS1, RF_IRQFLAGS1_RSSI |
+                                              RF_IRQFLAGS1_PREAMBLEDETECT |
+                                              RF_IRQFLAGS1_SYNCADDRESSMATCH);
+                            write_to_register(REG_IRQFLAGS2, RF_IRQFLAGS2_FIFOOVERRUN);
+
+                            if (_rf_settings.fsk.rx_continuous == false) {
+                                _rf_settings.state = RF_IDLE;
+                            } else {
+                                // Continuous mode restart Rx chain
+                                write_to_register(REG_RXCONFIG,
+                                                  read_register(REG_RXCONFIG) |
+                                                  RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK);
+                            }
+
+                            if ((_radio_events != NULL)
+                                    && (_radio_events->rx_error)) {
+                                _radio_events->rx_error();
+                            }
+                            _rf_settings.fsk_packet_handler.preamble_detected = 0;
+                            _rf_settings.fsk_packet_handler.sync_word_detected = 0;
+                            _rf_settings.fsk_packet_handler.nb_bytes = 0;
+                            _rf_settings.fsk_packet_handler.size = 0;
+                            // break from here, a CRC error happened, RX_ERROR
+                            // was notified. No need to go any further
+                            break;
+                        }
+                    }
+
+                    // This block was moved from dio2_handler.
+                    // We can have a snapshot of RSSI here as at this point it
+                    // should be more smoothed out.
+                    _rf_settings.fsk_packet_handler.rssi_value =
+                            -(read_register(REG_RSSIVALUE) >> 1);
+
+                    _rf_settings.fsk_packet_handler.afc_value =
+                            (int32_t) (float) (((uint16_t) read_register(REG_AFCMSB) << 8)
+                                    | (uint16_t) read_register( REG_AFCLSB))
+                                    * (float) FREQ_STEP;
+                    _rf_settings.fsk_packet_handler.rx_gain =
+                                          (read_register( REG_LNA) >> 5) & 0x07;
+
+                    // Read received packet size
+                    if ((_rf_settings.fsk_packet_handler.size == 0)
+                            && (_rf_settings.fsk_packet_handler.nb_bytes == 0)) {
+                        if (_rf_settings.fsk.fix_len == false) {
+                            read_fifo((uint8_t*) &_rf_settings.fsk_packet_handler.size, 1);
+                        } else {
+                            _rf_settings.fsk_packet_handler.size = read_register(REG_PAYLOADLENGTH);
+                        }
+                        read_fifo(_data_buffer + _rf_settings.fsk_packet_handler.nb_bytes,
+                                _rf_settings.fsk_packet_handler.size - _rf_settings.fsk_packet_handler.nb_bytes);
+                        _rf_settings.fsk_packet_handler.nb_bytes +=
+                                (_rf_settings.fsk_packet_handler.size - _rf_settings.fsk_packet_handler.nb_bytes);
+                    } else {
+                        read_fifo(_data_buffer + _rf_settings.fsk_packet_handler.nb_bytes,
+                                _rf_settings.fsk_packet_handler.size - _rf_settings.fsk_packet_handler.nb_bytes);
+                        _rf_settings.fsk_packet_handler.nb_bytes +=
+                                (_rf_settings.fsk_packet_handler.size - _rf_settings.fsk_packet_handler.nb_bytes);
+                    }
+
+                    if (_rf_settings.fsk.rx_continuous == false) {
+                        _rf_settings.state = RF_IDLE;
+                    } else {
+                        // Continuous mode restart Rx chain
+                        write_to_register(REG_RXCONFIG, read_register(REG_RXCONFIG)
+                                        | RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK);
+                    }
+
+                    if ((_radio_events != NULL) && (_radio_events->rx_done)) {
+                        _radio_events->rx_done(
+                                _data_buffer,
+                                _rf_settings.fsk_packet_handler.size,
+                                _rf_settings.fsk_packet_handler.rssi_value, 0);
+                    }
+                    _rf_settings.fsk_packet_handler.preamble_detected = 0;
+                    _rf_settings.fsk_packet_handler.sync_word_detected = 0;
+                    _rf_settings.fsk_packet_handler.nb_bytes = 0;
+                    _rf_settings.fsk_packet_handler.size = 0;
+                    break;
+
+                case MODEM_LORA: {
+                    int8_t snr = 0;
+
+                    // Clear Irq
+                    write_to_register(REG_LR_IRQFLAGS, RFLR_IRQFLAGS_RXDONE);
+
+                    irqFlags = read_register(REG_LR_IRQFLAGS);
+                    if ((irqFlags & RFLR_IRQFLAGS_PAYLOADCRCERROR_MASK)
+                            == RFLR_IRQFLAGS_PAYLOADCRCERROR) {
+                        // Clear Irq
+                        write_to_register( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_PAYLOADCRCERROR);
+
+                        if (_rf_settings.lora.rx_continuous == false) {
+                            _rf_settings.state = RF_IDLE;
+                        }
+
+                        if ((_radio_events != NULL)
+                                && (_radio_events->rx_error)) {
+                            _radio_events->rx_error();
+                        }
+                        break;
+                    }
+
+                    _rf_settings.lora_packet_handler.snr_value = read_register(
+                            REG_LR_PKTSNRVALUE);
+                    if (_rf_settings.lora_packet_handler.snr_value & 0x80) // The SNR sign bit is 1
+                            {
+                        // Invert and divide by 4
+                        snr = ((~_rf_settings.lora_packet_handler.snr_value + 1)
+                                & 0xFF) >> 2;
+                        snr = -snr;
+                    } else {
+                        // Divide by 4
+                        snr =
+                                (_rf_settings.lora_packet_handler.snr_value
+                                        & 0xFF) >> 2;
+                    }
+
+                    int16_t rssi = read_register( REG_LR_PKTRSSIVALUE);
+                    if (snr < 0) {
+                        if (_rf_settings.channel > RF_MID_BAND_THRESH) {
+                            _rf_settings.lora_packet_handler.rssi_value =
+                                    RSSI_OFFSET_HF + rssi + (rssi >> 4) + snr;
+                        } else {
+                            _rf_settings.lora_packet_handler.rssi_value =
+                                    RSSI_OFFSET_LF + rssi + (rssi >> 4) + snr;
+                        }
+                    } else {
+                        if (_rf_settings.channel > RF_MID_BAND_THRESH) {
+                            _rf_settings.lora_packet_handler.rssi_value =
+                                    RSSI_OFFSET_HF + rssi + (rssi >> 4);
+                        } else {
+                            _rf_settings.lora_packet_handler.rssi_value =
+                                    RSSI_OFFSET_LF + rssi + (rssi >> 4);
+                        }
+                    }
+
+                    _rf_settings.lora_packet_handler.size = read_register(REG_LR_RXNBBYTES);
+                    read_fifo(_data_buffer, _rf_settings.lora_packet_handler.size);
+
+                    if (_rf_settings.lora.rx_continuous == false) {
+                        _rf_settings.state = RF_IDLE;
+                    }
+
+                    if ((_radio_events != NULL) && (_radio_events->rx_done)) {
+                        _radio_events->rx_done(_data_buffer,
+                                _rf_settings.lora_packet_handler.size,
+                                _rf_settings.lora_packet_handler.rssi_value,
+                                _rf_settings.lora_packet_handler.snr_value);
+                    }
+                }
+                    break;
+                default:
+                    break;
+            }
+            break;
+        case RF_TX_RUNNING:
+            tx_timeout_timer.detach();
+            // TxDone interrupt
+            switch (_rf_settings.modem) {
+                case MODEM_LORA:
+                    // Clear Irq
+                    write_to_register(REG_LR_IRQFLAGS, RFLR_IRQFLAGS_TXDONE);
+                    // Intentional fall through
+                case MODEM_FSK:
+                default:
+                    _rf_settings.state = RF_IDLE;
+                    if ((_radio_events != NULL)
+                            && (_radio_events->tx_done)) {
+                        _radio_events->tx_done();
+                    }
+                    break;
+            }
+            break;
+        default:
+            break;
+    }
+}
+
+void SX1276_LoRaRadio::handle_dio1_irq()
+{
+    switch (_rf_settings.state) {
+        case RF_RX_RUNNING:
+            switch (_rf_settings.modem) {
+                case MODEM_FSK:
+                    // FifoLevel interrupt
+                    // Read received packet size
+                    if ((_rf_settings.fsk_packet_handler.size == 0)
+                            && (_rf_settings.fsk_packet_handler.nb_bytes == 0)) {
+                        if (_rf_settings.fsk.fix_len == false) {
+                            read_fifo((uint8_t*) &_rf_settings.fsk_packet_handler.size, 1);
+                        } else {
+                            _rf_settings.fsk_packet_handler.size =
+                                    read_register(REG_PAYLOADLENGTH);
+                        }
+                    }
+
+                    if ((_rf_settings.fsk_packet_handler.size
+                            - _rf_settings.fsk_packet_handler.nb_bytes)
+                            > _rf_settings.fsk_packet_handler.fifo_thresh) {
+                        read_fifo((_data_buffer + _rf_settings.fsk_packet_handler.nb_bytes),
+                                _rf_settings.fsk_packet_handler.fifo_thresh);
+                        _rf_settings.fsk_packet_handler.nb_bytes +=
+                                _rf_settings.fsk_packet_handler.fifo_thresh;
+                    } else {
+                        read_fifo((_data_buffer + _rf_settings.fsk_packet_handler.nb_bytes),
+                                _rf_settings.fsk_packet_handler.size
+                                        - _rf_settings.fsk_packet_handler.nb_bytes);
+                        _rf_settings.fsk_packet_handler.nb_bytes +=
+                                (_rf_settings.fsk_packet_handler.size
+                                        - _rf_settings.fsk_packet_handler.nb_bytes);
+                    }
+
+                    break;
+
+                case MODEM_LORA:
+                    // Clear Irq
+                    write_to_register(REG_LR_IRQFLAGS, RFLR_IRQFLAGS_RXTIMEOUT);
+                    _rf_settings.state = RF_IDLE;
+                    if ((_radio_events != NULL)
+                            && (_radio_events->rx_timeout)) {
+                        _radio_events->rx_timeout();
+                    }
+                    break;
+                default:
+                    break;
+            }
+
+            break;
+
+        case RF_TX_RUNNING:
+            switch (_rf_settings.modem) {
+                case MODEM_FSK:
+                    // FifoLevel interrupt
+                    if ((_rf_settings.fsk_packet_handler.size
+                            - _rf_settings.fsk_packet_handler.nb_bytes)
+                            > _rf_settings.fsk_packet_handler.chunk_size) {
+                        write_fifo((_data_buffer + _rf_settings.fsk_packet_handler.nb_bytes),
+                                _rf_settings.fsk_packet_handler.chunk_size);
+                        _rf_settings.fsk_packet_handler.nb_bytes +=
+                                _rf_settings.fsk_packet_handler.chunk_size;
+                    } else {
+                        // Write the last chunk of data
+                        write_fifo(_data_buffer + _rf_settings.fsk_packet_handler.nb_bytes,
+                                _rf_settings.fsk_packet_handler.size
+                                        - _rf_settings.fsk_packet_handler.nb_bytes);
+                        _rf_settings.fsk_packet_handler.nb_bytes +=
+                                _rf_settings.fsk_packet_handler.size - _rf_settings.fsk_packet_handler.nb_bytes;
+                    }
+
+                    break;
+
+                case MODEM_LORA:
+                    break;
+                default:
+                    break;
+            }
+            break;
+        default:
+            break;
+    }
+}
+
+void SX1276_LoRaRadio::handle_dio2_irq(void)
+{
+    switch (_rf_settings.state) {
+        case RF_RX_RUNNING:
+            switch (_rf_settings.modem) {
+                case MODEM_FSK:
+                    _rf_settings.fsk_packet_handler.preamble_detected = 0;
+                    _rf_settings.fsk_packet_handler.sync_word_detected = 0;
+                    _rf_settings.fsk_packet_handler.nb_bytes = 0;
+                    _rf_settings.fsk_packet_handler.size = 0;
+
+                    // Clear Irqs
+                    write_to_register(REG_IRQFLAGS1, RF_IRQFLAGS1_RSSI |
+                                      RF_IRQFLAGS1_PREAMBLEDETECT |
+                                      RF_IRQFLAGS1_SYNCADDRESSMATCH |
+                                      RF_IRQFLAGS1_TIMEOUT);
+
+                    write_to_register( REG_IRQFLAGS2, RF_IRQFLAGS2_FIFOOVERRUN);
+
+                    if (_rf_settings.fsk.rx_continuous == true) {
+                        // Continuous mode restart Rx chain
+                        write_to_register( REG_RXCONFIG,
+                                          read_register(REG_RXCONFIG) |
+                                          RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK);
+                    } else {
+                        _rf_settings.state = RF_IDLE;
+                    }
+
+                    if ((_radio_events != NULL)
+                            && (_radio_events->rx_timeout)) {
+                        _radio_events->rx_timeout();
+                    }
+
+                    break;
+
+                case MODEM_LORA:
+                    if (_rf_settings.lora.freq_hop_on == true) {
+                        // Clear Irq
+                        write_to_register(REG_LR_IRQFLAGS,
+                                          RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL);
+
+                        if ((_radio_events != NULL)
+                                && (_radio_events->fhss_change_channel)) {
+                            _radio_events->fhss_change_channel(
+                                    (read_register(REG_LR_HOPCHANNEL)
+                                            & RFLR_HOPCHANNEL_CHANNEL_MASK));
+                        }
+                    }
+
+                    break;
+
+                default:
+                    break;
+            }
+
+            break;
+
+        case RF_TX_RUNNING:
+            switch (_rf_settings.modem) {
+                case MODEM_FSK:
+                    break;
+                case MODEM_LORA:
+                    if (_rf_settings.lora.freq_hop_on == true) {
+                        // Clear Irq
+                        write_to_register(REG_LR_IRQFLAGS,
+                                          RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL);
+
+                        if ((_radio_events != NULL)
+                                && (_radio_events->fhss_change_channel)) {
+                            _radio_events->fhss_change_channel(
+                                    (read_register(REG_LR_HOPCHANNEL)
+                                            & RFLR_HOPCHANNEL_CHANNEL_MASK));
+                        }
+                    }
+                    break;
+                default:
+                    break;
+            }
+            break;
+        default:
+            break;
+    }
+}
+
+void SX1276_LoRaRadio::handle_dio3_irq(void)
+{
+    switch (_rf_settings.modem) {
+        case MODEM_FSK:
+            break;
+        case MODEM_LORA:
+            if ((read_register(REG_LR_IRQFLAGS) & RFLR_IRQFLAGS_CADDETECTED)
+                    == RFLR_IRQFLAGS_CADDETECTED) {
+                // Clear Irq
+                write_to_register(REG_LR_IRQFLAGS,
+                        RFLR_IRQFLAGS_CADDETECTED | RFLR_IRQFLAGS_CADDONE);
+                if ((_radio_events != NULL)
+                        && (_radio_events->cad_done)) {
+                    _radio_events->cad_done(true);
+                }
+            } else {
+                // Clear Irq
+                write_to_register(REG_LR_IRQFLAGS, RFLR_IRQFLAGS_CADDONE);
+                if ((_radio_events != NULL)
+                        && (_radio_events->cad_done)) {
+                    _radio_events->cad_done(false);
+                }
+            }
+            break;
+        default:
+            break;
+    }
+}
+
+void SX1276_LoRaRadio::handle_dio4_irq(void)
+{
+    // is asserted when a preamble is detected (FSK modem only)
+    switch (_rf_settings.modem) {
+        case MODEM_FSK: {
+            if (_rf_settings.fsk_packet_handler.preamble_detected == 0) {
+                _rf_settings.fsk_packet_handler.preamble_detected = 1;
+            }
+        }
+            break;
+        case MODEM_LORA:
+            break;
+        default:
+            break;
+    }
+}
+
+void SX1276_LoRaRadio::handle_dio5_irq()
+{
+    switch (_rf_settings.modem) {
+        case MODEM_FSK:
+            break;
+        case MODEM_LORA:
+            break;
+        default:
+            break;
+    }
+}
+
+void SX1276_LoRaRadio::handle_timeout_irq()
+{
+    tx_timeout_timer.detach();
+
+    if (_rf_settings.state == RF_TX_RUNNING) {
+        // Tx timeout shouldn't happen.
+        // But it has been observed that when it happens it is a result of a
+        // corrupted SPI transfer
+        // The workaround is to put the radio in a known state.
+        // Thus, we re-initialize it.
+
+        // Initialize radio default values
+        set_operation_mode(RF_OPMODE_SLEEP);
+
+        setup_registers();
+
+        set_modem(MODEM_FSK);
+
+        // Restore previous network type setting.
+        set_public_network(_rf_settings.lora.public_network);
+
+        _rf_settings.state = RF_IDLE;
+
+        if ((_radio_events != NULL) && (_radio_events->tx_timeout)) {
+            _radio_events->tx_timeout();
+        }
+    }
+}
+
+int8_t SX1276_LoRaRadio::getTemp(void)
+{
+    int8_t temp = 0;
+    uint8_t previousOpMode;
+    uint8_t regOpMode;
+    uint8_t regImageCal;
+    uint8_t regTemp;
+    // Save current Operation Mode
+    regOpMode = read_register(REG_OPMODE);
+    previousOpMode = regOpMode;
+    // Pass through LoRa sleep only necessary if reading temperature while in LoRa Mode
+    if ((previousOpMode & RFLR_OPMODE_LONGRANGEMODE_ON) == RFLR_OPMODE_LONGRANGEMODE_ON)
+    {
+        regOpMode = RFLR_OPMODE_SLEEP;
+        write_to_register(REG_OPMODE, regOpMode); // Put device in LoRa Sleep Mode
+    }
+    // Put device in FSK Sleep Mode
+    regOpMode = RF_OPMODE_SLEEP;
+    write_to_register(REG_OPMODE, regOpMode);
+    // Put device in FSK RxSynth
+    regOpMode = RF_OPMODE_SYNTHESIZER_RX;
+    write_to_register(REG_OPMODE, regOpMode);
+    // Enable Temperature reading
+    regImageCal = read_register(REG_IMAGECAL);
+    regImageCal = (regImageCal & RF_IMAGECAL_TEMPMONITOR_MASK) | RF_IMAGECAL_TEMPMONITOR_ON;
+    write_to_register(REG_IMAGECAL, regImageCal);
+    // Wait 150us
+    wait(0.000150);
+    // Disable Temperature reading
+    regImageCal = read_register(REG_IMAGECAL);
+    regImageCal = (regImageCal & RF_IMAGECAL_TEMPMONITOR_MASK) | RF_IMAGECAL_TEMPMONITOR_OFF;
+    write_to_register(REG_IMAGECAL, regImageCal);
+    // Put device in FSK Sleep Mode
+    regOpMode = RF_OPMODE_SLEEP;
+    write_to_register(REG_OPMODE, regOpMode);
+    // Read temperature
+    regTemp = read_register(REG_TEMP);
+    if ((regTemp & 0x80) == 0x80)
+    {
+        temp = 255 - regTemp;
+    }
+    else
+    {
+        temp = regTemp;
+        temp *= -1;
+    }
+    // We were in LoRa Mode prior to the temperature reading
+    if ((previousOpMode & RFLR_OPMODE_LONGRANGEMODE_ON) == RFLR_OPMODE_LONGRANGEMODE_ON)
+    {
+        regOpMode = RFLR_OPMODE_SLEEP;
+        write_to_register(REG_OPMODE, regOpMode); // Put device in LoRa Sleep Mode
+    }
+    // Reload previous Op Mode
+    write_to_register(REG_OPMODE, previousOpMode);
+    return temp;
+}
+// EOF
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SX1276/SX1276_LoRaRadio.h	Wed Sep 12 20:02:02 2018 +0000
@@ -0,0 +1,444 @@
+/**
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2013 Semtech
+ ___ _____ _   ___ _  _____ ___  ___  ___ ___
+/ __|_   _/_\ / __| |/ / __/ _ \| _ \/ __| __|
+\__ \ | |/ _ \ (__| ' <| _| (_) |   / (__| _|
+|___/ |_/_/ \_\___|_|\_\_| \___/|_|_\\___|___|
+embedded.connectivity.solutions===============
+
+Description: LoRaWAN stack layer that controls both MAC and PHY underneath
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis ( Semtech ), Gregory Cristian ( Semtech ) and Daniel Jaeckle ( STACKFORCE )
+
+
+Copyright (c) 2017, Arm Limited and affiliates.
+
+SPDX-License-Identifier: BSD-3-Clause
+*/
+
+#ifndef SX1276_LORARADIO_H_
+#define SX1276_LORARADIO_H_
+
+#include "PinNames.h"
+#include "InterruptIn.h"
+#include "DigitalOut.h"
+#include "DigitalInOut.h"
+#include "SPI.h"
+#include "Timeout.h"
+#include "platform/PlatformMutex.h"
+#ifdef MBED_CONF_RTOS_PRESENT
+ #include "rtos/Thread.h"
+#endif
+
+#include "lorawan/LoRaRadio.h"
+
+#ifdef MBED_CONF_SX1276_LORA_DRIVER_BUFFER_SIZE
+#define MAX_DATA_BUFFER_SIZE_SX1276                        MBED_CONF_SX1276_LORA_DRIVER_BUFFER_SIZE
+#else
+#define MAX_DATA_BUFFER_SIZE_SX1276                        255
+#endif
+
+/**
+ * Radio driver implementation for Semtech SX1272 plus variants.
+ * Supports only SPI at the moment. Implements pure virtual LoRaRadio class.
+ */
+class SX1276_LoRaRadio: public LoRaRadio {
+public:
+    /**
+     * Use this constructor if pin definitions are provided manually.
+     * The pins that are marked NC are optional. It is assumed that these
+     * pins are not connected until/unless configured otherwise.
+     *
+     * Note: Pin ant_switch is equivalent to RxTx pin at
+     * https://developer.mbed.org/components/SX1276MB1xAS/.
+     * Reading the state of this pin indicates if the radio module type is
+     * SX1276MB1LAS(North American frequency band supported) or SX1276MAS
+     * (European frequency band supported).
+     * Pin dio4 can be mapped to multiple pins on the board, please refer to
+     * schematic of your board. For reference look at
+     * https://developer.mbed.org/components/SX1276MB1xAS/
+     *
+     * Most of the radio module control pins are not being used at the moment as
+     * the SX1276MB1xAS shield has not connected them. For consistency and future
+     * use we are leaving the pins in the constructor. For example, if in some
+     * setting SX1276 radio module gets connected to an external power amplifier
+     * or radio  latch controls are connected.
+     */
+    SX1276_LoRaRadio(PinName mosi,
+                     PinName miso,
+                     PinName sclk,
+                     PinName nss,
+                     PinName reset,
+                     PinName dio0,
+                     PinName dio1,
+                     PinName dio2,
+                     PinName dio3,
+                     PinName dio4,
+                     PinName dio5,
+                     PinName rf_switch_ctl1 = NC,
+                     PinName rf_switch_ctl2 = NC,
+                     PinName txctl = NC,
+                     PinName rxctl = NC,
+                     PinName ant_switch = NC,
+                     PinName pwr_amp_ctl = NC,
+                     PinName tcxo = NC);
+
+    /**
+     * Destructor
+     */
+    virtual ~SX1276_LoRaRadio();
+
+    /**
+     * Registers radio events with the Mbed LoRaWAN stack and
+     * undergoes initialization steps if any
+     *
+     *  @param events Structure containing the driver callback functions
+     */
+    virtual void init_radio(radio_events_t *events);
+
+    /**
+     * Resets the radio module
+     */
+    virtual void radio_reset();
+
+    /**
+     *  Put the RF module in sleep mode
+     */
+    virtual void sleep(void);
+
+    /**
+     *  Sets the radio in standby mode
+     */
+    virtual void standby(void);
+
+    /**
+     *  Sets the reception parameters
+     *
+     *  @param modem         Radio modem to be used [0: FSK, 1: LoRa]
+     *  @param bandwidth     Sets the bandwidth
+     *                          FSK : >= 2600 and <= 250000 Hz
+     *                          LoRa: [0: 125 kHz, 1: 250 kHz,
+     *                                 2: 500 kHz, 3: Reserved]
+     *  @param datarate      Sets the Datarate
+     *                          FSK : 600..300000 bits/s
+     *                          LoRa: [6: 64, 7: 128, 8: 256, 9: 512,
+     *                                10: 1024, 11: 2048, 12: 4096  chips]
+     *  @param coderate      Sets the coding rate ( LoRa only )
+     *                          FSK : N/A ( set to 0 )
+     *                          LoRa: [1: 4/5, 2: 4/6, 3: 4/7, 4: 4/8]
+     *  @param bandwidth_afc Sets the AFC Bandwidth ( FSK only )
+     *                          FSK : >= 2600 and <= 250000 Hz
+     *                          LoRa: N/A ( set to 0 )
+     *  @param preamble_len  Sets the Preamble length ( LoRa only )
+     *                          FSK : N/A ( set to 0 )
+     *                          LoRa: Length in symbols ( the hardware adds 4 more symbols )
+     *  @param symb_timeout  Sets the RxSingle timeout value
+     *                          FSK : timeout number of bytes
+     *                          LoRa: timeout in symbols
+     *  @param fixLen        Fixed length packets [0: variable, 1: fixed]
+     *  @param payload_len   Sets payload length when fixed lenght is used
+     *  @param crc_on        Enables/Disables the CRC [0: OFF, 1: ON]
+     *  @param freq_hop_on   Enables disables the intra-packet frequency hopping  [0: OFF, 1: ON] (LoRa only)
+     *  @param hop_period    Number of symbols bewteen each hop (LoRa only)
+     *  @param iq_inverted   Inverts IQ signals ( LoRa only )
+     *                          FSK : N/A ( set to 0 )
+     *                          LoRa: [0: not inverted, 1: inverted]
+     *  @param rx_continuous Sets the reception in continuous mode
+     *                          [false: single mode, true: continuous mode]
+     */
+    virtual void set_rx_config (radio_modems_t modem, uint32_t bandwidth,
+                               uint32_t datarate, uint8_t coderate,
+                               uint32_t bandwidth_afc, uint16_t preamble_len,
+                               uint16_t symb_timeout, bool fix_len,
+                               uint8_t payload_len,
+                               bool crc_on, bool freq_hop_on, uint8_t hop_period,
+                               bool iq_inverted, bool rx_continuous);
+
+    /**
+     *  Sets the transmission parameters
+     *
+     *  @param modem         Radio modem to be used [0: FSK, 1: LoRa]
+     *  @param power         Sets the output power [dBm]
+     *  @param fdev          Sets the frequency deviation ( FSK only )
+     *                          FSK : [Hz]
+     *                          LoRa: 0
+     *  @param bandwidth     Sets the bandwidth ( LoRa only )
+     *                          FSK : 0
+     *                          LoRa: [0: 125 kHz, 1: 250 kHz,
+     *                                 2: 500 kHz, 3: Reserved]
+     *  @param datarate      Sets the Datarate
+     *                          FSK : 600..300000 bits/s
+     *                          LoRa: [6: 64, 7: 128, 8: 256, 9: 512,
+     *                                10: 1024, 11: 2048, 12: 4096  chips]
+     *  @param coderate      Sets the coding rate ( LoRa only )
+     *                          FSK : N/A ( set to 0 )
+     *                          LoRa: [1: 4/5, 2: 4/6, 3: 4/7, 4: 4/8]
+     *  @param preamble_len  Sets the preamble length
+     *  @param fix_len       Fixed length packets [0: variable, 1: fixed]
+     *  @param crc_on        Enables disables the CRC [0: OFF, 1: ON]
+     *  @param freq_hop_on   Enables disables the intra-packet frequency hopping  [0: OFF, 1: ON] (LoRa only)
+     *  @param hop_period    Number of symbols bewteen each hop (LoRa only)
+     *  @param iq_inverted   Inverts IQ signals ( LoRa only )
+     *                          FSK : N/A ( set to 0 )
+     *                          LoRa: [0: not inverted, 1: inverted]
+     *  @param timeout       Transmission timeout [ms]
+     */
+    virtual void set_tx_config(radio_modems_t modem, int8_t power, uint32_t fdev,
+                              uint32_t bandwidth, uint32_t datarate,
+                              uint8_t coderate, uint16_t preamble_len,
+                              bool fix_len, bool crc_on, bool freq_hop_on,
+                              uint8_t hop_period, bool iq_inverted, uint32_t timeout);
+
+    /**
+     *  Sends the buffer of size
+     *
+     *  Prepares the packet to be sent and sets the radio in transmission
+     *
+     *  @param buffer        Buffer pointer
+     *  @param size          Buffer size
+     */
+    virtual void send(uint8_t *buffer, uint8_t size);
+
+    /**
+     * For backwards compatibility
+     */
+    virtual void receive(uint32_t timeout)
+    {
+        (void) timeout;
+        receive();
+    }
+
+    /**
+     * Sets the radio to receive
+     *
+     * All necessary configuration options for reception are set in
+     * 'set_rx_config(parameters)' API.
+     */
+    virtual void receive(void);
+
+    /**
+     *  Sets the carrier frequency
+     *
+     *  @param freq          Channel RF frequency
+     */
+    virtual void set_channel(uint32_t freq);
+
+    /**
+     *  Generates a 32 bits random value based on the RSSI readings
+     *
+     *  Remark this function sets the radio in LoRa modem mode and disables
+     *         all interrupts.
+     *         After calling this function either Radio.SetRxConfig or
+     *         Radio.SetTxConfig functions must be called.
+     *
+     *  @return             32 bits random value
+     */
+    virtual uint32_t random(void);
+
+    /**
+     *  Get radio status
+     *
+     *  @param status        Radio status [RF_IDLE, RF_RX_RUNNING, RF_TX_RUNNING]
+     *  @return              Return current radio status
+     */
+    virtual uint8_t get_status(void);
+
+    /**
+     *  Sets the maximum payload length
+     *
+     *  @param modem         Radio modem to be used [0: FSK, 1: LoRa]
+     *  @param max           Maximum payload length in bytes
+     */
+    virtual void set_max_payload_length(radio_modems_t modem, uint8_t max);
+
+    /**
+     *  Sets the network to public or private
+     *
+     *  Updates the sync byte. Applies to LoRa modem only
+     *
+     *  @param enable        if true, it enables a public network
+     */
+    virtual void set_public_network(bool enable);
+
+    /**
+     *  Computes the packet time on air for the given payload
+     *
+     *  Remark can only be called once SetRxConfig or SetTxConfig have been called
+     *
+     *  @param modem         Radio modem to be used [0: FSK, 1: LoRa]
+     *  @param pkt_len       Packet payload length
+     *  @return              Computed airTime for the given packet payload length
+     */
+    virtual uint32_t time_on_air(radio_modems_t modem, uint8_t pkt_len);
+
+    /**
+     * Perform carrier sensing
+     *
+     * Checks for a certain time if the RSSI is above a given threshold.
+     * This threshold determines if there is already a transmission going on
+     * in the channel or not.
+     *
+     * @param modem                     Type of the radio modem
+     * @param freq                      Carrier frequency
+     * @param rssi_threshold            Threshold value of RSSI
+     * @param max_carrier_sense_time    time to sense the channel
+     *
+     * @return                          true if there is no active transmission
+     *                                  in the channel, false otherwise
+     */
+    virtual bool perform_carrier_sense(radio_modems_t modem,
+                                       uint32_t freq,
+                                       int16_t rssi_threshold,
+                                       uint32_t max_carrier_sense_time);
+
+    /**
+     *  Sets the radio in CAD mode
+     *
+     */
+    virtual void start_cad(void);
+
+    /**
+     *  Check if the given RF is in range
+     *
+     *  @param frequency       frequency needed to be checked
+     */
+    virtual bool check_rf_frequency(uint32_t frequency);
+
+    /** Sets the radio in continuous wave transmission mode
+     *
+     *  @param freq          Channel RF frequency
+     *  @param power         Sets the output power [dBm]
+     *  @param time          Transmission mode timeout [s]
+     */
+    virtual void set_tx_continuous_wave(uint32_t freq, int8_t power, uint16_t time);
+
+    /**
+     * Acquire exclusive access
+     */
+    virtual void lock(void);
+
+    /**
+     * Release exclusive access
+     */
+    virtual void unlock(void);
+    
+    virtual int8_t getTemp(void);
+
+private:
+
+    // SPI and chip select control
+    mbed::SPI _spi;
+    mbed::DigitalOut _chip_select;
+
+    // module rest control
+    mbed::DigitalInOut _reset_ctl;
+
+    // Interrupt controls
+    mbed::InterruptIn _dio0_ctl;
+    mbed::InterruptIn _dio1_ctl;
+    mbed::InterruptIn _dio2_ctl;
+    mbed::InterruptIn _dio3_ctl;
+    mbed::InterruptIn _dio4_ctl;
+    mbed::InterruptIn _dio5_ctl;
+
+    // Radio specific controls
+    mbed::DigitalOut _rf_switch_ctl1;
+    mbed::DigitalOut _rf_switch_ctl2;
+    mbed::DigitalOut _txctl;
+    mbed::DigitalOut _rxctl;
+    mbed::DigitalInOut _ant_switch;
+    mbed::DigitalOut _pwr_amp_ctl;
+    mbed::DigitalOut _tcxo;
+
+    // Contains all RF control pin names
+    // This storage is needed even after assigning the
+    // pins to corresponding object, as the driver needs to know
+    // which control pins are connected and which are not. This
+    // variation is inherent to driver because of target configuration.
+    rf_ctrls _rf_ctrls;
+
+    // We need these PinNames as not all modules have those connected
+    PinName _dio4_pin;
+    PinName _dio5_pin;
+
+    // Structure containing all user and network specified settings
+    // for radio module
+    radio_settings_t _rf_settings;
+
+    // Structure containing function pointers to the stack callbacks
+    radio_events_t *_radio_events;
+
+    // Data buffer used for both TX and RX
+    // Size of this buffer is configurable via Mbed config system
+    // Default is 256 bytes
+    uint8_t _data_buffer[MAX_DATA_BUFFER_SIZE_SX1276];
+
+    // TX timer in ms. This timer is used as a fail safe for TX.
+    // If the chip fails to transmit, its a fatal error, reflecting
+    // some catastrophic bus failure etc. We wish to have the control
+    // back from the driver in such a case.
+    mbed::Timeout tx_timeout_timer;
+
+#ifdef MBED_CONF_RTOS_PRESENT
+    // Thread to handle interrupts
+    rtos::Thread irq_thread;
+#endif
+
+    // Access protection
+    PlatformMutex mutex;
+
+    uint8_t radio_variant;
+
+    // helper functions
+    void setup_registers();
+    void default_antenna_switch_ctrls();
+    void set_antenna_switch(uint8_t operation_mode);
+    void setup_spi();
+    void gpio_init();
+    void gpio_deinit();
+    void setup_interrupts();
+    void set_operation_mode(uint8_t operation_mode);
+    void set_low_power_mode();
+    void set_sx1276_variant_type();
+    uint8_t get_pa_conf_reg(uint32_t channel);
+    void set_rf_tx_power(int8_t power);
+    int16_t get_rssi(radio_modems_t modem);
+    uint8_t get_fsk_bw_reg_val(uint32_t bandwidth);
+    void write_to_register(uint8_t addr, uint8_t data);
+    void write_to_register(uint8_t addr, uint8_t *data, uint8_t size);
+    uint8_t read_register(uint8_t addr);
+    void read_register(uint8_t addr, uint8_t *buffer, uint8_t size);
+    void write_fifo(uint8_t *buffer, uint8_t size);
+    void read_fifo(uint8_t *buffer, uint8_t size);
+    void transmit(uint32_t timeout);
+    void rf_irq_task(void);
+    void set_modem(uint8_t modem);
+    void rx_chain_calibration(void);
+
+    // ISRs
+    void  dio0_irq_isr();
+    void  dio1_irq_isr();
+    void  dio2_irq_isr();
+    void  dio3_irq_isr();
+    void  dio4_irq_isr();
+    void  dio5_irq_isr();
+    void  timeout_irq_isr();
+
+    // Handlers called by thread in response to signal
+    void handle_dio0_irq();
+    void handle_dio1_irq();
+    void handle_dio2_irq();
+    void handle_dio3_irq();
+    void handle_dio4_irq();
+    void handle_dio5_irq();
+    void handle_timeout_irq();
+};
+
+#endif // SX1276_LORARADIO_H_
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SX1276/mbed_lib.json	Wed Sep 12 20:02:02 2018 +0000
@@ -0,0 +1,13 @@
+{
+    "name": "sx1276-lora-driver",
+    "config": {
+        "spi-frequency": {
+        	"help": "SPI frequency, Default: 8 MHz",
+        	"value": 8000000
+        },
+        "buffer-size": {
+        	"help": "Max. buffer size the radio can handle, Default: 255 B",
+        	"value": 255
+        }
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SX1276/registers/sx1276Regs-Fsk.h	Wed Sep 12 20:02:02 2018 +0000
@@ -0,0 +1,1138 @@
+/**
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C) 2014 Semtech
+
+Description: SX1276 FSK modem registers and bits definitions
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+
+Copyright (c) 2017, Arm Limited and affiliates.
+
+SPDX-License-Identifier: BSD-3-Clause
+*/
+#ifndef __SX1276_REGS_FSK_H__
+#define __SX1276_REGS_FSK_H__
+
+/*!
+ * ============================================================================
+ * SX1276 Internal registers Address
+ * ============================================================================
+ */
+#define REG_FIFO                                    0x00
+// Common settings
+#define REG_OPMODE                                  0x01
+#define REG_BITRATEMSB                              0x02
+#define REG_BITRATELSB                              0x03
+#define REG_FDEVMSB                                 0x04
+#define REG_FDEVLSB                                 0x05
+#define REG_FRFMSB                                  0x06
+#define REG_FRFMID                                  0x07
+#define REG_FRFLSB                                  0x08
+// Tx settings
+#define REG_PACONFIG                                0x09
+#define REG_PARAMP                                  0x0A
+#define REG_OCP                                     0x0B
+// Rx settings
+#define REG_LNA                                     0x0C
+#define REG_RXCONFIG                                0x0D
+#define REG_RSSICONFIG                              0x0E
+#define REG_RSSICOLLISION                           0x0F
+#define REG_RSSITHRESH                              0x10
+#define REG_RSSIVALUE                               0x11
+#define REG_RXBW                                    0x12
+#define REG_AFCBW                                   0x13
+#define REG_OOKPEAK                                 0x14
+#define REG_OOKFIX                                  0x15
+#define REG_OOKAVG                                  0x16
+#define REG_RES17                                   0x17
+#define REG_RES18                                   0x18
+#define REG_RES19                                   0x19
+#define REG_AFCFEI                                  0x1A
+#define REG_AFCMSB                                  0x1B
+#define REG_AFCLSB                                  0x1C
+#define REG_FEIMSB                                  0x1D
+#define REG_FEILSB                                  0x1E
+#define REG_PREAMBLEDETECT                          0x1F
+#define REG_RXTIMEOUT1                              0x20
+#define REG_RXTIMEOUT2                              0x21
+#define REG_RXTIMEOUT3                              0x22
+#define REG_RXDELAY                                 0x23
+// Oscillator settings
+#define REG_OSC                                     0x24
+// Packet handler settings
+#define REG_PREAMBLEMSB                             0x25
+#define REG_PREAMBLELSB                             0x26
+#define REG_SYNCCONFIG                              0x27
+#define REG_SYNCVALUE1                              0x28
+#define REG_SYNCVALUE2                              0x29
+#define REG_SYNCVALUE3                              0x2A
+#define REG_SYNCVALUE4                              0x2B
+#define REG_SYNCVALUE5                              0x2C
+#define REG_SYNCVALUE6                              0x2D
+#define REG_SYNCVALUE7                              0x2E
+#define REG_SYNCVALUE8                              0x2F
+#define REG_PACKETCONFIG1                           0x30
+#define REG_PACKETCONFIG2                           0x31
+#define REG_PAYLOADLENGTH                           0x32
+#define REG_NODEADRS                                0x33
+#define REG_BROADCASTADRS                           0x34
+#define REG_FIFOTHRESH                              0x35
+// SM settings
+#define REG_SEQCONFIG1                              0x36
+#define REG_SEQCONFIG2                              0x37
+#define REG_TIMERRESOL                              0x38
+#define REG_TIMER1COEF                              0x39
+#define REG_TIMER2COEF                              0x3A
+// Service settings
+#define REG_IMAGECAL                                0x3B
+#define REG_TEMP                                    0x3C
+#define REG_LOWBAT                                  0x3D
+// Status
+#define REG_IRQFLAGS1                               0x3E
+#define REG_IRQFLAGS2                               0x3F
+// I/O settings
+#define REG_DIOMAPPING1                             0x40
+#define REG_DIOMAPPING2                             0x41
+// Version
+#define REG_VERSION                                 0x42
+// Additional settings
+#define REG_PLLHOP                                  0x44
+#define REG_TCXO                                    0x4B
+#define REG_PADAC                                   0x4D
+#define REG_FORMERTEMP                              0x5B
+#define REG_BITRATEFRAC                             0x5D
+#define REG_AGCREF                                  0x61
+#define REG_AGCTHRESH1                              0x62
+#define REG_AGCTHRESH2                              0x63
+#define REG_AGCTHRESH3                              0x64
+#define REG_PLL                                     0x70
+
+/*!
+ * ============================================================================
+ * SX1276 FSK bits control definition
+ * ============================================================================
+ */
+
+/*!
+ * RegFifo
+ */
+
+/*!
+ * RegOpMode
+ */
+#define RF_OPMODE_LONGRANGEMODE_MASK                0x7F
+#define RF_OPMODE_LONGRANGEMODE_OFF                 0x00
+#define RF_OPMODE_LONGRANGEMODE_ON                  0x80
+
+#define RF_OPMODE_MODULATIONTYPE_MASK               0x9F
+#define RF_OPMODE_MODULATIONTYPE_FSK                0x00  // Default
+#define RF_OPMODE_MODULATIONTYPE_OOK                0x20
+
+#define RF_OPMODE_MODULATIONSHAPING_MASK            0xE7
+#define RF_OPMODE_MODULATIONSHAPING_00              0x00  // Default
+#define RF_OPMODE_MODULATIONSHAPING_01              0x08
+#define RF_OPMODE_MODULATIONSHAPING_10              0x10
+#define RF_OPMODE_MODULATIONSHAPING_11              0x18
+
+#define RF_OPMODE_MASK                              0xF8
+#define RF_OPMODE_SLEEP                             0x00
+#define RF_OPMODE_STANDBY                           0x01  // Default
+#define RF_OPMODE_SYNTHESIZER_TX                    0x02
+#define RF_OPMODE_TRANSMITTER                       0x03
+#define RF_OPMODE_SYNTHESIZER_RX                    0x04
+#define RF_OPMODE_RECEIVER                          0x05
+
+/*!
+ * RegBitRate (bits/sec)
+ */
+#define RF_BITRATEMSB_1200_BPS                      0x68
+#define RF_BITRATELSB_1200_BPS                      0x2B
+#define RF_BITRATEMSB_2400_BPS                      0x34
+#define RF_BITRATELSB_2400_BPS                      0x15
+#define RF_BITRATEMSB_4800_BPS                      0x1A  // Default
+#define RF_BITRATELSB_4800_BPS                      0x0B  // Default
+#define RF_BITRATEMSB_9600_BPS                      0x0D
+#define RF_BITRATELSB_9600_BPS                      0x05
+#define RF_BITRATEMSB_15000_BPS                     0x08
+#define RF_BITRATELSB_15000_BPS                     0x55
+#define RF_BITRATEMSB_19200_BPS                     0x06
+#define RF_BITRATELSB_19200_BPS                     0x83
+#define RF_BITRATEMSB_38400_BPS                     0x03
+#define RF_BITRATELSB_38400_BPS                     0x41
+#define RF_BITRATEMSB_76800_BPS                     0x01
+#define RF_BITRATELSB_76800_BPS                     0xA1
+#define RF_BITRATEMSB_153600_BPS                    0x00
+#define RF_BITRATELSB_153600_BPS                    0xD0
+#define RF_BITRATEMSB_57600_BPS                     0x02
+#define RF_BITRATELSB_57600_BPS                     0x2C
+#define RF_BITRATEMSB_115200_BPS                    0x01
+#define RF_BITRATELSB_115200_BPS                    0x16
+#define RF_BITRATEMSB_12500_BPS                     0x0A
+#define RF_BITRATELSB_12500_BPS                     0x00
+#define RF_BITRATEMSB_25000_BPS                     0x05
+#define RF_BITRATELSB_25000_BPS                     0x00
+#define RF_BITRATEMSB_50000_BPS                     0x02
+#define RF_BITRATELSB_50000_BPS                     0x80
+#define RF_BITRATEMSB_100000_BPS                    0x01
+#define RF_BITRATELSB_100000_BPS                    0x40
+#define RF_BITRATEMSB_150000_BPS                    0x00
+#define RF_BITRATELSB_150000_BPS                    0xD5
+#define RF_BITRATEMSB_200000_BPS                    0x00
+#define RF_BITRATELSB_200000_BPS                    0xA0
+#define RF_BITRATEMSB_250000_BPS                    0x00
+#define RF_BITRATELSB_250000_BPS                    0x80
+#define RF_BITRATEMSB_32768_BPS                     0x03
+#define RF_BITRATELSB_32768_BPS                     0xD1
+
+/*!
+ * RegFdev (Hz)
+ */
+#define RF_FDEVMSB_2000_HZ                          0x00
+#define RF_FDEVLSB_2000_HZ                          0x21
+#define RF_FDEVMSB_5000_HZ                          0x00  // Default
+#define RF_FDEVLSB_5000_HZ                          0x52  // Default
+#define RF_FDEVMSB_10000_HZ                         0x00
+#define RF_FDEVLSB_10000_HZ                         0xA4
+#define RF_FDEVMSB_15000_HZ                         0x00
+#define RF_FDEVLSB_15000_HZ                         0xF6
+#define RF_FDEVMSB_20000_HZ                         0x01
+#define RF_FDEVLSB_20000_HZ                         0x48
+#define RF_FDEVMSB_25000_HZ                         0x01
+#define RF_FDEVLSB_25000_HZ                         0x9A
+#define RF_FDEVMSB_30000_HZ                         0x01
+#define RF_FDEVLSB_30000_HZ                         0xEC
+#define RF_FDEVMSB_35000_HZ                         0x02
+#define RF_FDEVLSB_35000_HZ                         0x3D
+#define RF_FDEVMSB_40000_HZ                         0x02
+#define RF_FDEVLSB_40000_HZ                         0x8F
+#define RF_FDEVMSB_45000_HZ                         0x02
+#define RF_FDEVLSB_45000_HZ                         0xE1
+#define RF_FDEVMSB_50000_HZ                         0x03
+#define RF_FDEVLSB_50000_HZ                         0x33
+#define RF_FDEVMSB_55000_HZ                         0x03
+#define RF_FDEVLSB_55000_HZ                         0x85
+#define RF_FDEVMSB_60000_HZ                         0x03
+#define RF_FDEVLSB_60000_HZ                         0xD7
+#define RF_FDEVMSB_65000_HZ                         0x04
+#define RF_FDEVLSB_65000_HZ                         0x29
+#define RF_FDEVMSB_70000_HZ                         0x04
+#define RF_FDEVLSB_70000_HZ                         0x7B
+#define RF_FDEVMSB_75000_HZ                         0x04
+#define RF_FDEVLSB_75000_HZ                         0xCD
+#define RF_FDEVMSB_80000_HZ                         0x05
+#define RF_FDEVLSB_80000_HZ                         0x1F
+#define RF_FDEVMSB_85000_HZ                         0x05
+#define RF_FDEVLSB_85000_HZ                         0x71
+#define RF_FDEVMSB_90000_HZ                         0x05
+#define RF_FDEVLSB_90000_HZ                         0xC3
+#define RF_FDEVMSB_95000_HZ                         0x06
+#define RF_FDEVLSB_95000_HZ                         0x14
+#define RF_FDEVMSB_100000_HZ                        0x06
+#define RF_FDEVLSB_100000_HZ                        0x66
+#define RF_FDEVMSB_110000_HZ                        0x07
+#define RF_FDEVLSB_110000_HZ                        0x0A
+#define RF_FDEVMSB_120000_HZ                        0x07
+#define RF_FDEVLSB_120000_HZ                        0xAE
+#define RF_FDEVMSB_130000_HZ                        0x08
+#define RF_FDEVLSB_130000_HZ                        0x52
+#define RF_FDEVMSB_140000_HZ                        0x08
+#define RF_FDEVLSB_140000_HZ                        0xF6
+#define RF_FDEVMSB_150000_HZ                        0x09
+#define RF_FDEVLSB_150000_HZ                        0x9A
+#define RF_FDEVMSB_160000_HZ                        0x0A
+#define RF_FDEVLSB_160000_HZ                        0x3D
+#define RF_FDEVMSB_170000_HZ                        0x0A
+#define RF_FDEVLSB_170000_HZ                        0xE1
+#define RF_FDEVMSB_180000_HZ                        0x0B
+#define RF_FDEVLSB_180000_HZ                        0x85
+#define RF_FDEVMSB_190000_HZ                        0x0C
+#define RF_FDEVLSB_190000_HZ                        0x29
+#define RF_FDEVMSB_200000_HZ                        0x0C
+#define RF_FDEVLSB_200000_HZ                        0xCD
+
+/*!
+ * RegFrf (MHz)
+ */
+#define RF_FRFMSB_863_MHZ                           0xD7
+#define RF_FRFMID_863_MHZ                           0xC0
+#define RF_FRFLSB_863_MHZ                           0x00
+#define RF_FRFMSB_864_MHZ                           0xD8
+#define RF_FRFMID_864_MHZ                           0x00
+#define RF_FRFLSB_864_MHZ                           0x00
+#define RF_FRFMSB_865_MHZ                           0xD8
+#define RF_FRFMID_865_MHZ                           0x40
+#define RF_FRFLSB_865_MHZ                           0x00
+#define RF_FRFMSB_866_MHZ                           0xD8
+#define RF_FRFMID_866_MHZ                           0x80
+#define RF_FRFLSB_866_MHZ                           0x00
+#define RF_FRFMSB_867_MHZ                           0xD8
+#define RF_FRFMID_867_MHZ                           0xC0
+#define RF_FRFLSB_867_MHZ                           0x00
+#define RF_FRFMSB_868_MHZ                           0xD9
+#define RF_FRFMID_868_MHZ                           0x00
+#define RF_FRFLSB_868_MHZ                           0x00
+#define RF_FRFMSB_869_MHZ                           0xD9
+#define RF_FRFMID_869_MHZ                           0x40
+#define RF_FRFLSB_869_MHZ                           0x00
+#define RF_FRFMSB_870_MHZ                           0xD9
+#define RF_FRFMID_870_MHZ                           0x80
+#define RF_FRFLSB_870_MHZ                           0x00
+
+#define RF_FRFMSB_902_MHZ                           0xE1
+#define RF_FRFMID_902_MHZ                           0x80
+#define RF_FRFLSB_902_MHZ                           0x00
+#define RF_FRFMSB_903_MHZ                           0xE1
+#define RF_FRFMID_903_MHZ                           0xC0
+#define RF_FRFLSB_903_MHZ                           0x00
+#define RF_FRFMSB_904_MHZ                           0xE2
+#define RF_FRFMID_904_MHZ                           0x00
+#define RF_FRFLSB_904_MHZ                           0x00
+#define RF_FRFMSB_905_MHZ                           0xE2
+#define RF_FRFMID_905_MHZ                           0x40
+#define RF_FRFLSB_905_MHZ                           0x00
+#define RF_FRFMSB_906_MHZ                           0xE2
+#define RF_FRFMID_906_MHZ                           0x80
+#define RF_FRFLSB_906_MHZ                           0x00
+#define RF_FRFMSB_907_MHZ                           0xE2
+#define RF_FRFMID_907_MHZ                           0xC0
+#define RF_FRFLSB_907_MHZ                           0x00
+#define RF_FRFMSB_908_MHZ                           0xE3
+#define RF_FRFMID_908_MHZ                           0x00
+#define RF_FRFLSB_908_MHZ                           0x00
+#define RF_FRFMSB_909_MHZ                           0xE3
+#define RF_FRFMID_909_MHZ                           0x40
+#define RF_FRFLSB_909_MHZ                           0x00
+#define RF_FRFMSB_910_MHZ                           0xE3
+#define RF_FRFMID_910_MHZ                           0x80
+#define RF_FRFLSB_910_MHZ                           0x00
+#define RF_FRFMSB_911_MHZ                           0xE3
+#define RF_FRFMID_911_MHZ                           0xC0
+#define RF_FRFLSB_911_MHZ                           0x00
+#define RF_FRFMSB_912_MHZ                           0xE4
+#define RF_FRFMID_912_MHZ                           0x00
+#define RF_FRFLSB_912_MHZ                           0x00
+#define RF_FRFMSB_913_MHZ                           0xE4
+#define RF_FRFMID_913_MHZ                           0x40
+#define RF_FRFLSB_913_MHZ                           0x00
+#define RF_FRFMSB_914_MHZ                           0xE4
+#define RF_FRFMID_914_MHZ                           0x80
+#define RF_FRFLSB_914_MHZ                           0x00
+#define RF_FRFMSB_915_MHZ                           0xE4  // Default
+#define RF_FRFMID_915_MHZ                           0xC0  // Default
+#define RF_FRFLSB_915_MHZ                           0x00  // Default
+#define RF_FRFMSB_916_MHZ                           0xE5
+#define RF_FRFMID_916_MHZ                           0x00
+#define RF_FRFLSB_916_MHZ                           0x00
+#define RF_FRFMSB_917_MHZ                           0xE5
+#define RF_FRFMID_917_MHZ                           0x40
+#define RF_FRFLSB_917_MHZ                           0x00
+#define RF_FRFMSB_918_MHZ                           0xE5
+#define RF_FRFMID_918_MHZ                           0x80
+#define RF_FRFLSB_918_MHZ                           0x00
+#define RF_FRFMSB_919_MHZ                           0xE5
+#define RF_FRFMID_919_MHZ                           0xC0
+#define RF_FRFLSB_919_MHZ                           0x00
+#define RF_FRFMSB_920_MHZ                           0xE6
+#define RF_FRFMID_920_MHZ                           0x00
+#define RF_FRFLSB_920_MHZ                           0x00
+#define RF_FRFMSB_921_MHZ                           0xE6
+#define RF_FRFMID_921_MHZ                           0x40
+#define RF_FRFLSB_921_MHZ                           0x00
+#define RF_FRFMSB_922_MHZ                           0xE6
+#define RF_FRFMID_922_MHZ                           0x80
+#define RF_FRFLSB_922_MHZ                           0x00
+#define RF_FRFMSB_923_MHZ                           0xE6
+#define RF_FRFMID_923_MHZ                           0xC0
+#define RF_FRFLSB_923_MHZ                           0x00
+#define RF_FRFMSB_924_MHZ                           0xE7
+#define RF_FRFMID_924_MHZ                           0x00
+#define RF_FRFLSB_924_MHZ                           0x00
+#define RF_FRFMSB_925_MHZ                           0xE7
+#define RF_FRFMID_925_MHZ                           0x40
+#define RF_FRFLSB_925_MHZ                           0x00
+#define RF_FRFMSB_926_MHZ                           0xE7
+#define RF_FRFMID_926_MHZ                           0x80
+#define RF_FRFLSB_926_MHZ                           0x00
+#define RF_FRFMSB_927_MHZ                           0xE7
+#define RF_FRFMID_927_MHZ                           0xC0
+#define RF_FRFLSB_927_MHZ                           0x00
+#define RF_FRFMSB_928_MHZ                           0xE8
+#define RF_FRFMID_928_MHZ                           0x00
+#define RF_FRFLSB_928_MHZ                           0x00
+
+/*!
+ * RegPaConfig
+ */
+#define RF_PACONFIG_PASELECT_MASK                   0x7F
+#define RF_PACONFIG_PASELECT_PABOOST                0x80
+#define RF_PACONFIG_PASELECT_RFO                    0x00 // Default
+
+#define RF_PACONFIG_MAX_POWER_MASK                  0x8F
+
+#define RF_PACONFIG_OUTPUTPOWER_MASK                0xF0
+
+/*!
+ * RegPaRamp
+ */
+#define RF_PARAMP_MODULATIONSHAPING_MASK            0x9F
+#define RF_PARAMP_MODULATIONSHAPING_00              0x00  // Default
+#define RF_PARAMP_MODULATIONSHAPING_01              0x20
+#define RF_PARAMP_MODULATIONSHAPING_10              0x40
+#define RF_PARAMP_MODULATIONSHAPING_11              0x60
+
+#define RF_PARAMP_LOWPNTXPLL_MASK                   0xEF
+#define RF_PARAMP_LOWPNTXPLL_OFF                    0x10
+#define RF_PARAMP_LOWPNTXPLL_ON                     0x00  // Default
+
+#define RF_PARAMP_MASK                              0xF0
+#define RF_PARAMP_3400_US                           0x00
+#define RF_PARAMP_2000_US                           0x01
+#define RF_PARAMP_1000_US                           0x02
+#define RF_PARAMP_0500_US                           0x03
+#define RF_PARAMP_0250_US                           0x04
+#define RF_PARAMP_0125_US                           0x05
+#define RF_PARAMP_0100_US                           0x06
+#define RF_PARAMP_0062_US                           0x07
+#define RF_PARAMP_0050_US                           0x08
+#define RF_PARAMP_0040_US                           0x09  // Default
+#define RF_PARAMP_0031_US                           0x0A
+#define RF_PARAMP_0025_US                           0x0B
+#define RF_PARAMP_0020_US                           0x0C
+#define RF_PARAMP_0015_US                           0x0D
+#define RF_PARAMP_0012_US                           0x0E
+#define RF_PARAMP_0010_US                           0x0F
+
+/*!
+ * RegOcp
+ */
+#define RF_OCP_MASK                                 0xDF
+#define RF_OCP_ON                                   0x20  // Default
+#define RF_OCP_OFF                                  0x00
+
+#define RF_OCP_TRIM_MASK                            0xE0
+#define RF_OCP_TRIM_045_MA                          0x00
+#define RF_OCP_TRIM_050_MA                          0x01
+#define RF_OCP_TRIM_055_MA                          0x02
+#define RF_OCP_TRIM_060_MA                          0x03
+#define RF_OCP_TRIM_065_MA                          0x04
+#define RF_OCP_TRIM_070_MA                          0x05
+#define RF_OCP_TRIM_075_MA                          0x06
+#define RF_OCP_TRIM_080_MA                          0x07
+#define RF_OCP_TRIM_085_MA                          0x08
+#define RF_OCP_TRIM_090_MA                          0x09
+#define RF_OCP_TRIM_095_MA                          0x0A
+#define RF_OCP_TRIM_100_MA                          0x0B  // Default
+#define RF_OCP_TRIM_105_MA                          0x0C
+#define RF_OCP_TRIM_110_MA                          0x0D
+#define RF_OCP_TRIM_115_MA                          0x0E
+#define RF_OCP_TRIM_120_MA                          0x0F
+#define RF_OCP_TRIM_130_MA                          0x10
+#define RF_OCP_TRIM_140_MA                          0x11
+#define RF_OCP_TRIM_150_MA                          0x12
+#define RF_OCP_TRIM_160_MA                          0x13
+#define RF_OCP_TRIM_170_MA                          0x14
+#define RF_OCP_TRIM_180_MA                          0x15
+#define RF_OCP_TRIM_190_MA                          0x16
+#define RF_OCP_TRIM_200_MA                          0x17
+#define RF_OCP_TRIM_210_MA                          0x18
+#define RF_OCP_TRIM_220_MA                          0x19
+#define RF_OCP_TRIM_230_MA                          0x1A
+#define RF_OCP_TRIM_240_MA                          0x1B
+
+/*!
+ * RegLna
+ */
+#define RF_LNA_GAIN_MASK                            0x1F
+#define RF_LNA_GAIN_G1                              0x20  // Default
+#define RF_LNA_GAIN_G2                              0x40
+#define RF_LNA_GAIN_G3                              0x60
+#define RF_LNA_GAIN_G4                              0x80
+#define RF_LNA_GAIN_G5                              0xA0
+#define RF_LNA_GAIN_G6                              0xC0
+
+#define RF_LNA_BOOST_MASK                           0xFC
+#define RF_LNA_BOOST_OFF                            0x00 // Default
+#define RF_LNA_BOOST_ON                             0x03
+
+/*!
+ * RegRxConfig
+ */
+#define RF_RXCONFIG_RESTARTRXONCOLLISION_MASK       0x7F
+#define RF_RXCONFIG_RESTARTRXONCOLLISION_ON         0x80
+#define RF_RXCONFIG_RESTARTRXONCOLLISION_OFF        0x00 // Default
+
+#define RF_RXCONFIG_RESTARTRXWITHOUTPLLLOCK         0x40 // Write only
+
+#define RF_RXCONFIG_RESTARTRXWITHPLLLOCK            0x20 // Write only
+
+#define RF_RXCONFIG_AFCAUTO_MASK                    0xEF
+#define RF_RXCONFIG_AFCAUTO_ON                      0x10
+#define RF_RXCONFIG_AFCAUTO_OFF                     0x00 // Default
+
+#define RF_RXCONFIG_AGCAUTO_MASK                    0xF7
+#define RF_RXCONFIG_AGCAUTO_ON                      0x08 // Default
+#define RF_RXCONFIG_AGCAUTO_OFF                     0x00
+
+#define RF_RXCONFIG_RXTRIGER_MASK                   0xF8
+#define RF_RXCONFIG_RXTRIGER_OFF                    0x00
+#define RF_RXCONFIG_RXTRIGER_RSSI                   0x01
+#define RF_RXCONFIG_RXTRIGER_PREAMBLEDETECT         0x06 // Default
+#define RF_RXCONFIG_RXTRIGER_RSSI_PREAMBLEDETECT    0x07
+
+/*!
+ * RegRssiConfig
+ */
+#define RF_RSSICONFIG_OFFSET_MASK                   0x07
+#define RF_RSSICONFIG_OFFSET_P_00_DB                0x00  // Default
+#define RF_RSSICONFIG_OFFSET_P_01_DB                0x08
+#define RF_RSSICONFIG_OFFSET_P_02_DB                0x10
+#define RF_RSSICONFIG_OFFSET_P_03_DB                0x18
+#define RF_RSSICONFIG_OFFSET_P_04_DB                0x20
+#define RF_RSSICONFIG_OFFSET_P_05_DB                0x28
+#define RF_RSSICONFIG_OFFSET_P_06_DB                0x30
+#define RF_RSSICONFIG_OFFSET_P_07_DB                0x38
+#define RF_RSSICONFIG_OFFSET_P_08_DB                0x40
+#define RF_RSSICONFIG_OFFSET_P_09_DB                0x48
+#define RF_RSSICONFIG_OFFSET_P_10_DB                0x50
+#define RF_RSSICONFIG_OFFSET_P_11_DB                0x58
+#define RF_RSSICONFIG_OFFSET_P_12_DB                0x60
+#define RF_RSSICONFIG_OFFSET_P_13_DB                0x68
+#define RF_RSSICONFIG_OFFSET_P_14_DB                0x70
+#define RF_RSSICONFIG_OFFSET_P_15_DB                0x78
+#define RF_RSSICONFIG_OFFSET_M_16_DB                0x80
+#define RF_RSSICONFIG_OFFSET_M_15_DB                0x88
+#define RF_RSSICONFIG_OFFSET_M_14_DB                0x90
+#define RF_RSSICONFIG_OFFSET_M_13_DB                0x98
+#define RF_RSSICONFIG_OFFSET_M_12_DB                0xA0
+#define RF_RSSICONFIG_OFFSET_M_11_DB                0xA8
+#define RF_RSSICONFIG_OFFSET_M_10_DB                0xB0
+#define RF_RSSICONFIG_OFFSET_M_09_DB                0xB8
+#define RF_RSSICONFIG_OFFSET_M_08_DB                0xC0
+#define RF_RSSICONFIG_OFFSET_M_07_DB                0xC8
+#define RF_RSSICONFIG_OFFSET_M_06_DB                0xD0
+#define RF_RSSICONFIG_OFFSET_M_05_DB                0xD8
+#define RF_RSSICONFIG_OFFSET_M_04_DB                0xE0
+#define RF_RSSICONFIG_OFFSET_M_03_DB                0xE8
+#define RF_RSSICONFIG_OFFSET_M_02_DB                0xF0
+#define RF_RSSICONFIG_OFFSET_M_01_DB                0xF8
+
+#define RF_RSSICONFIG_SMOOTHING_MASK                0xF8
+#define RF_RSSICONFIG_SMOOTHING_2                   0x00
+#define RF_RSSICONFIG_SMOOTHING_4                   0x01
+#define RF_RSSICONFIG_SMOOTHING_8                   0x02  // Default
+#define RF_RSSICONFIG_SMOOTHING_16                  0x03
+#define RF_RSSICONFIG_SMOOTHING_32                  0x04
+#define RF_RSSICONFIG_SMOOTHING_64                  0x05
+#define RF_RSSICONFIG_SMOOTHING_128                 0x06
+#define RF_RSSICONFIG_SMOOTHING_256                 0x07
+
+/*!
+ * RegRssiCollision
+ */
+#define RF_RSSICOLISION_THRESHOLD                   0x0A  // Default
+
+/*!
+ * RegRssiThresh
+ */
+#define RF_RSSITHRESH_THRESHOLD                     0xFF  // Default
+
+/*!
+ * RegRssiValue (Read Only)
+ */
+
+/*!
+ * RegRxBw
+ */
+#define RF_RXBW_MANT_MASK                           0xE7
+#define RF_RXBW_MANT_16                             0x00
+#define RF_RXBW_MANT_20                             0x08
+#define RF_RXBW_MANT_24                             0x10  // Default
+
+#define RF_RXBW_EXP_MASK                            0xF8
+#define RF_RXBW_EXP_0                               0x00
+#define RF_RXBW_EXP_1                               0x01
+#define RF_RXBW_EXP_2                               0x02
+#define RF_RXBW_EXP_3                               0x03
+#define RF_RXBW_EXP_4                               0x04
+#define RF_RXBW_EXP_5                               0x05  // Default
+#define RF_RXBW_EXP_6                               0x06
+#define RF_RXBW_EXP_7                               0x07
+
+/*!
+ * RegAfcBw
+ */
+#define RF_AFCBW_MANTAFC_MASK                       0xE7
+#define RF_AFCBW_MANTAFC_16                         0x00
+#define RF_AFCBW_MANTAFC_20                         0x08  // Default
+#define RF_AFCBW_MANTAFC_24                         0x10
+
+#define RF_AFCBW_EXPAFC_MASK                        0xF8
+#define RF_AFCBW_EXPAFC_0                           0x00
+#define RF_AFCBW_EXPAFC_1                           0x01
+#define RF_AFCBW_EXPAFC_2                           0x02
+#define RF_AFCBW_EXPAFC_3                           0x03  // Default
+#define RF_AFCBW_EXPAFC_4                           0x04
+#define RF_AFCBW_EXPAFC_5                           0x05
+#define RF_AFCBW_EXPAFC_6                           0x06
+#define RF_AFCBW_EXPAFC_7                           0x07
+
+/*!
+ * RegOokPeak
+ */
+#define RF_OOKPEAK_BITSYNC_MASK                     0xDF  // Default
+#define RF_OOKPEAK_BITSYNC_ON                       0x20  // Default
+#define RF_OOKPEAK_BITSYNC_OFF                      0x00
+
+#define RF_OOKPEAK_OOKTHRESHTYPE_MASK               0xE7
+#define RF_OOKPEAK_OOKTHRESHTYPE_FIXED              0x00
+#define RF_OOKPEAK_OOKTHRESHTYPE_PEAK               0x08  // Default
+#define RF_OOKPEAK_OOKTHRESHTYPE_AVERAGE            0x10
+
+#define RF_OOKPEAK_OOKPEAKTHRESHSTEP_MASK           0xF8
+#define RF_OOKPEAK_OOKPEAKTHRESHSTEP_0_5_DB         0x00  // Default
+#define RF_OOKPEAK_OOKPEAKTHRESHSTEP_1_0_DB         0x01
+#define RF_OOKPEAK_OOKPEAKTHRESHSTEP_1_5_DB         0x02
+#define RF_OOKPEAK_OOKPEAKTHRESHSTEP_2_0_DB         0x03
+#define RF_OOKPEAK_OOKPEAKTHRESHSTEP_3_0_DB         0x04
+#define RF_OOKPEAK_OOKPEAKTHRESHSTEP_4_0_DB         0x05
+#define RF_OOKPEAK_OOKPEAKTHRESHSTEP_5_0_DB         0x06
+#define RF_OOKPEAK_OOKPEAKTHRESHSTEP_6_0_DB         0x07
+
+/*!
+ * RegOokFix
+ */
+#define RF_OOKFIX_OOKFIXEDTHRESHOLD                 0x0C  // Default
+
+/*!
+ * RegOokAvg
+ */
+#define RF_OOKAVG_OOKPEAKTHRESHDEC_MASK             0x1F
+#define RF_OOKAVG_OOKPEAKTHRESHDEC_000              0x00  // Default
+#define RF_OOKAVG_OOKPEAKTHRESHDEC_001              0x20
+#define RF_OOKAVG_OOKPEAKTHRESHDEC_010              0x40
+#define RF_OOKAVG_OOKPEAKTHRESHDEC_011              0x60
+#define RF_OOKAVG_OOKPEAKTHRESHDEC_100              0x80
+#define RF_OOKAVG_OOKPEAKTHRESHDEC_101              0xA0
+#define RF_OOKAVG_OOKPEAKTHRESHDEC_110              0xC0
+#define RF_OOKAVG_OOKPEAKTHRESHDEC_111              0xE0
+
+#define RF_OOKAVG_AVERAGEOFFSET_MASK                0xF3
+#define RF_OOKAVG_AVERAGEOFFSET_0_DB                0x00  // Default
+#define RF_OOKAVG_AVERAGEOFFSET_2_DB                0x04
+#define RF_OOKAVG_AVERAGEOFFSET_4_DB                0x08
+#define RF_OOKAVG_AVERAGEOFFSET_6_DB                0x0C
+
+#define RF_OOKAVG_OOKAVERAGETHRESHFILT_MASK         0xFC
+#define RF_OOKAVG_OOKAVERAGETHRESHFILT_00           0x00
+#define RF_OOKAVG_OOKAVERAGETHRESHFILT_01           0x01
+#define RF_OOKAVG_OOKAVERAGETHRESHFILT_10           0x02  // Default
+#define RF_OOKAVG_OOKAVERAGETHRESHFILT_11           0x03
+
+/*!
+ * RegAfcFei
+ */
+#define RF_AFCFEI_AGCSTART                          0x10
+
+#define RF_AFCFEI_AFCCLEAR                          0x02
+
+#define RF_AFCFEI_AFCAUTOCLEAR_MASK                 0xFE
+#define RF_AFCFEI_AFCAUTOCLEAR_ON                   0x01
+#define RF_AFCFEI_AFCAUTOCLEAR_OFF                  0x00  // Default
+
+/*!
+ * RegAfcMsb (Read Only)
+ */
+
+/*!
+ * RegAfcLsb (Read Only)
+ */
+
+/*!
+ * RegFeiMsb (Read Only)
+ */
+
+/*!
+ * RegFeiLsb (Read Only)
+ */
+
+/*!
+ * RegPreambleDetect
+ */
+#define RF_PREAMBLEDETECT_DETECTOR_MASK             0x7F
+#define RF_PREAMBLEDETECT_DETECTOR_ON               0x80  // Default
+#define RF_PREAMBLEDETECT_DETECTOR_OFF              0x00
+
+#define RF_PREAMBLEDETECT_DETECTORSIZE_MASK         0x9F
+#define RF_PREAMBLEDETECT_DETECTORSIZE_1            0x00
+#define RF_PREAMBLEDETECT_DETECTORSIZE_2            0x20  // Default
+#define RF_PREAMBLEDETECT_DETECTORSIZE_3            0x40
+#define RF_PREAMBLEDETECT_DETECTORSIZE_4            0x60
+
+#define RF_PREAMBLEDETECT_DETECTORTOL_MASK          0xE0
+#define RF_PREAMBLEDETECT_DETECTORTOL_0             0x00
+#define RF_PREAMBLEDETECT_DETECTORTOL_1             0x01
+#define RF_PREAMBLEDETECT_DETECTORTOL_2             0x02
+#define RF_PREAMBLEDETECT_DETECTORTOL_3             0x03
+#define RF_PREAMBLEDETECT_DETECTORTOL_4             0x04
+#define RF_PREAMBLEDETECT_DETECTORTOL_5             0x05
+#define RF_PREAMBLEDETECT_DETECTORTOL_6             0x06
+#define RF_PREAMBLEDETECT_DETECTORTOL_7             0x07
+#define RF_PREAMBLEDETECT_DETECTORTOL_8             0x08
+#define RF_PREAMBLEDETECT_DETECTORTOL_9             0x09
+#define RF_PREAMBLEDETECT_DETECTORTOL_10            0x0A  // Default
+#define RF_PREAMBLEDETECT_DETECTORTOL_11            0x0B
+#define RF_PREAMBLEDETECT_DETECTORTOL_12            0x0C
+#define RF_PREAMBLEDETECT_DETECTORTOL_13            0x0D
+#define RF_PREAMBLEDETECT_DETECTORTOL_14            0x0E
+#define RF_PREAMBLEDETECT_DETECTORTOL_15            0x0F
+#define RF_PREAMBLEDETECT_DETECTORTOL_16            0x10
+#define RF_PREAMBLEDETECT_DETECTORTOL_17            0x11
+#define RF_PREAMBLEDETECT_DETECTORTOL_18            0x12
+#define RF_PREAMBLEDETECT_DETECTORTOL_19            0x13
+#define RF_PREAMBLEDETECT_DETECTORTOL_20            0x14
+#define RF_PREAMBLEDETECT_DETECTORTOL_21            0x15
+#define RF_PREAMBLEDETECT_DETECTORTOL_22            0x16
+#define RF_PREAMBLEDETECT_DETECTORTOL_23            0x17
+#define RF_PREAMBLEDETECT_DETECTORTOL_24            0x18
+#define RF_PREAMBLEDETECT_DETECTORTOL_25            0x19
+#define RF_PREAMBLEDETECT_DETECTORTOL_26            0x1A
+#define RF_PREAMBLEDETECT_DETECTORTOL_27            0x1B
+#define RF_PREAMBLEDETECT_DETECTORTOL_28            0x1C
+#define RF_PREAMBLEDETECT_DETECTORTOL_29            0x1D
+#define RF_PREAMBLEDETECT_DETECTORTOL_30            0x1E
+#define RF_PREAMBLEDETECT_DETECTORTOL_31            0x1F
+
+/*!
+ * RegRxTimeout1
+ */
+#define RF_RXTIMEOUT1_TIMEOUTRXRSSI                 0x00  // Default
+
+/*!
+ * RegRxTimeout2
+ */
+#define RF_RXTIMEOUT2_TIMEOUTRXPREAMBLE             0x00  // Default
+
+/*!
+ * RegRxTimeout3
+ */
+#define RF_RXTIMEOUT3_TIMEOUTSIGNALSYNC             0x00  // Default
+
+/*!
+ * RegRxDelay
+ */
+#define RF_RXDELAY_INTERPACKETRXDELAY               0x00  // Default
+
+/*!
+ * RegOsc
+ */
+#define RF_OSC_RCCALSTART                           0x08
+
+#define RF_OSC_CLKOUT_MASK                          0xF8
+#define RF_OSC_CLKOUT_32_MHZ                        0x00
+#define RF_OSC_CLKOUT_16_MHZ                        0x01
+#define RF_OSC_CLKOUT_8_MHZ                         0x02
+#define RF_OSC_CLKOUT_4_MHZ                         0x03
+#define RF_OSC_CLKOUT_2_MHZ                         0x04
+#define RF_OSC_CLKOUT_1_MHZ                         0x05  // Default
+#define RF_OSC_CLKOUT_RC                            0x06
+#define RF_OSC_CLKOUT_OFF                           0x07
+
+/*!
+ * RegPreambleMsb/RegPreambleLsb
+ */
+#define RF_PREAMBLEMSB_SIZE                         0x00  // Default
+#define RF_PREAMBLELSB_SIZE                         0x03  // Default
+
+/*!
+ * RegSyncConfig
+ */
+#define RF_SYNCCONFIG_AUTORESTARTRXMODE_MASK        0x3F
+#define RF_SYNCCONFIG_AUTORESTARTRXMODE_WAITPLL_ON  0x80  // Default
+#define RF_SYNCCONFIG_AUTORESTARTRXMODE_WAITPLL_OFF 0x40
+#define RF_SYNCCONFIG_AUTORESTARTRXMODE_OFF         0x00
+
+
+#define RF_SYNCCONFIG_PREAMBLEPOLARITY_MASK         0xDF
+#define RF_SYNCCONFIG_PREAMBLEPOLARITY_55           0x20
+#define RF_SYNCCONFIG_PREAMBLEPOLARITY_AA           0x00  // Default
+
+#define RF_SYNCCONFIG_SYNC_MASK                     0xEF
+#define RF_SYNCCONFIG_SYNC_ON                       0x10  // Default
+#define RF_SYNCCONFIG_SYNC_OFF                      0x00
+
+
+#define RF_SYNCCONFIG_SYNCSIZE_MASK                 0xF8
+#define RF_SYNCCONFIG_SYNCSIZE_1                    0x00
+#define RF_SYNCCONFIG_SYNCSIZE_2                    0x01
+#define RF_SYNCCONFIG_SYNCSIZE_3                    0x02
+#define RF_SYNCCONFIG_SYNCSIZE_4                    0x03  // Default
+#define RF_SYNCCONFIG_SYNCSIZE_5                    0x04
+#define RF_SYNCCONFIG_SYNCSIZE_6                    0x05
+#define RF_SYNCCONFIG_SYNCSIZE_7                    0x06
+#define RF_SYNCCONFIG_SYNCSIZE_8                    0x07
+
+/*!
+ * RegSyncValue1-8
+ */
+#define RF_SYNCVALUE1_SYNCVALUE                     0x01  // Default
+#define RF_SYNCVALUE2_SYNCVALUE                     0x01  // Default
+#define RF_SYNCVALUE3_SYNCVALUE                     0x01  // Default
+#define RF_SYNCVALUE4_SYNCVALUE                     0x01  // Default
+#define RF_SYNCVALUE5_SYNCVALUE                     0x01  // Default
+#define RF_SYNCVALUE6_SYNCVALUE                     0x01  // Default
+#define RF_SYNCVALUE7_SYNCVALUE                     0x01  // Default
+#define RF_SYNCVALUE8_SYNCVALUE                     0x01  // Default
+
+/*!
+ * RegPacketConfig1
+ */
+#define RF_PACKETCONFIG1_PACKETFORMAT_MASK          0x7F
+#define RF_PACKETCONFIG1_PACKETFORMAT_FIXED         0x00
+#define RF_PACKETCONFIG1_PACKETFORMAT_VARIABLE      0x80  // Default
+
+#define RF_PACKETCONFIG1_DCFREE_MASK                0x9F
+#define RF_PACKETCONFIG1_DCFREE_OFF                 0x00  // Default
+#define RF_PACKETCONFIG1_DCFREE_MANCHESTER          0x20
+#define RF_PACKETCONFIG1_DCFREE_WHITENING           0x40
+
+#define RF_PACKETCONFIG1_CRC_MASK                   0xEF
+#define RF_PACKETCONFIG1_CRC_ON                     0x10  // Default
+#define RF_PACKETCONFIG1_CRC_OFF                    0x00
+
+#define RF_PACKETCONFIG1_CRCAUTOCLEAR_MASK          0xF7
+#define RF_PACKETCONFIG1_CRCAUTOCLEAR_ON            0x00  // Default
+#define RF_PACKETCONFIG1_CRCAUTOCLEAR_OFF           0x08
+
+#define RF_PACKETCONFIG1_ADDRSFILTERING_MASK         0xF9
+#define RF_PACKETCONFIG1_ADDRSFILTERING_OFF          0x00  // Default
+#define RF_PACKETCONFIG1_ADDRSFILTERING_NODE         0x02
+#define RF_PACKETCONFIG1_ADDRSFILTERING_NODEBROADCAST 0x04
+
+#define RF_PACKETCONFIG1_CRCWHITENINGTYPE_MASK      0xFE
+#define RF_PACKETCONFIG1_CRCWHITENINGTYPE_CCITT     0x00  // Default
+#define RF_PACKETCONFIG1_CRCWHITENINGTYPE_IBM       0x01
+
+/*!
+ * RegPacketConfig2
+ */
+
+#define RF_PACKETCONFIG2_WMBUS_CRC_ENABLE_MASK      0x7F
+#define RF_PACKETCONFIG2_WMBUS_CRC_ENABLE           0x80
+#define RF_PACKETCONFIG2_WMBUS_CRC_DISABLE          0x00  // Default
+
+#define RF_PACKETCONFIG2_DATAMODE_MASK              0xBF
+#define RF_PACKETCONFIG2_DATAMODE_CONTINUOUS        0x00
+#define RF_PACKETCONFIG2_DATAMODE_PACKET            0x40  // Default
+
+#define RF_PACKETCONFIG2_IOHOME_MASK                0xDF
+#define RF_PACKETCONFIG2_IOHOME_ON                  0x20
+#define RF_PACKETCONFIG2_IOHOME_OFF                 0x00  // Default
+
+#define RF_PACKETCONFIG2_BEACON_MASK                0xF7
+#define RF_PACKETCONFIG2_BEACON_ON                  0x08
+#define RF_PACKETCONFIG2_BEACON_OFF                 0x00  // Default
+
+#define RF_PACKETCONFIG2_PAYLOADLENGTH_MSB_MASK     0xF8
+
+/*!
+ * RegPayloadLength
+ */
+#define RF_PAYLOADLENGTH_LENGTH                     0x40  // Default
+
+/*!
+ * RegNodeAdrs
+ */
+#define RF_NODEADDRESS_ADDRESS                      0x00
+
+/*!
+ * RegBroadcastAdrs
+ */
+#define RF_BROADCASTADDRESS_ADDRESS                 0x00
+
+/*!
+ * RegFifoThresh
+ */
+#define RF_FIFOTHRESH_TXSTARTCONDITION_MASK         0x7F
+#define RF_FIFOTHRESH_TXSTARTCONDITION_FIFOTHRESH   0x00  // Default
+#define RF_FIFOTHRESH_TXSTARTCONDITION_FIFONOTEMPTY 0x80
+
+#define RF_FIFOTHRESH_FIFOTHRESHOLD_MASK            0xC0
+#define RF_FIFOTHRESH_FIFOTHRESHOLD_THRESHOLD       0x0F  // Default
+
+/*!
+ * RegSeqConfig1
+ */
+#define RF_SEQCONFIG1_SEQUENCER_START               0x80
+
+#define RF_SEQCONFIG1_SEQUENCER_STOP                0x40
+
+#define RF_SEQCONFIG1_IDLEMODE_MASK                 0xDF
+#define RF_SEQCONFIG1_IDLEMODE_SLEEP                0x20
+#define RF_SEQCONFIG1_IDLEMODE_STANDBY              0x00  // Default
+
+#define RF_SEQCONFIG1_FROMSTART_MASK                0xE7
+#define RF_SEQCONFIG1_FROMSTART_TOLPS               0x00  // Default
+#define RF_SEQCONFIG1_FROMSTART_TORX                0x08
+#define RF_SEQCONFIG1_FROMSTART_TOTX                0x10
+#define RF_SEQCONFIG1_FROMSTART_TOTX_ONFIFOLEVEL    0x18
+
+#define RF_SEQCONFIG1_LPS_MASK                      0xFB
+#define RF_SEQCONFIG1_LPS_SEQUENCER_OFF             0x00  // Default
+#define RF_SEQCONFIG1_LPS_IDLE                      0x04
+
+#define RF_SEQCONFIG1_FROMIDLE_MASK                 0xFD
+#define RF_SEQCONFIG1_FROMIDLE_TOTX                 0x00  // Default
+#define RF_SEQCONFIG1_FROMIDLE_TORX                 0x02
+
+#define RF_SEQCONFIG1_FROMTX_MASK                   0xFE
+#define RF_SEQCONFIG1_FROMTX_TOLPS                  0x00  // Default
+#define RF_SEQCONFIG1_FROMTX_TORX                   0x01
+
+/*!
+ * RegSeqConfig2
+ */
+#define RF_SEQCONFIG2_FROMRX_MASK                   0x1F
+#define RF_SEQCONFIG2_FROMRX_TOUNUSED_000           0x00  // Default
+#define RF_SEQCONFIG2_FROMRX_TORXPKT_ONPLDRDY       0x20
+#define RF_SEQCONFIG2_FROMRX_TOLPS_ONPLDRDY         0x40
+#define RF_SEQCONFIG2_FROMRX_TORXPKT_ONCRCOK        0x60
+#define RF_SEQCONFIG2_FROMRX_TOSEQUENCEROFF_ONRSSI  0x80
+#define RF_SEQCONFIG2_FROMRX_TOSEQUENCEROFF_ONSYNC  0xA0
+#define RF_SEQCONFIG2_FROMRX_TOSEQUENCEROFF_ONPREAMBLE 0xC0
+#define RF_SEQCONFIG2_FROMRX_TOUNUSED_111           0xE0
+
+#define RF_SEQCONFIG2_FROMRXTIMEOUT_MASK            0xE7
+#define RF_SEQCONFIG2_FROMRXTIMEOUT_TORXRESTART     0x00  // Default
+#define RF_SEQCONFIG2_FROMRXTIMEOUT_TOTX            0x08
+#define RF_SEQCONFIG2_FROMRXTIMEOUT_TOLPS           0x10
+#define RF_SEQCONFIG2_FROMRXTIMEOUT_TOSEQUENCEROFF  0x18
+
+#define RF_SEQCONFIG2_FROMRXPKT_MASK                0xF8
+#define RF_SEQCONFIG2_FROMRXPKT_TOSEQUENCEROFF      0x00  // Default
+#define RF_SEQCONFIG2_FROMRXPKT_TOTX_ONFIFOEMPTY    0x01
+#define RF_SEQCONFIG2_FROMRXPKT_TOLPS               0x02
+#define RF_SEQCONFIG2_FROMRXPKT_TOSYNTHESIZERRX     0x03
+#define RF_SEQCONFIG2_FROMRXPKT_TORX                0x04
+
+/*!
+ * RegTimerResol
+ */
+#define RF_TIMERRESOL_TIMER1RESOL_MASK              0xF3
+#define RF_TIMERRESOL_TIMER1RESOL_OFF               0x00  // Default
+#define RF_TIMERRESOL_TIMER1RESOL_000064_US         0x04
+#define RF_TIMERRESOL_TIMER1RESOL_004100_US         0x08
+#define RF_TIMERRESOL_TIMER1RESOL_262000_US         0x0C
+
+#define RF_TIMERRESOL_TIMER2RESOL_MASK              0xFC
+#define RF_TIMERRESOL_TIMER2RESOL_OFF               0x00  // Default
+#define RF_TIMERRESOL_TIMER2RESOL_000064_US         0x01
+#define RF_TIMERRESOL_TIMER2RESOL_004100_US         0x02
+#define RF_TIMERRESOL_TIMER2RESOL_262000_US         0x03
+
+/*!
+ * RegTimer1Coef
+ */
+#define RF_TIMER1COEF_TIMER1COEFFICIENT             0xF5  // Default
+
+/*!
+ * RegTimer2Coef
+ */
+#define RF_TIMER2COEF_TIMER2COEFFICIENT             0x20  // Default
+
+/*!
+ * RegImageCal
+ */
+#define RF_IMAGECAL_AUTOIMAGECAL_MASK               0x7F
+#define RF_IMAGECAL_AUTOIMAGECAL_ON                 0x80
+#define RF_IMAGECAL_AUTOIMAGECAL_OFF                0x00  // Default
+
+#define RF_IMAGECAL_IMAGECAL_MASK                   0xBF
+#define RF_IMAGECAL_IMAGECAL_START                  0x40
+
+#define RF_IMAGECAL_IMAGECAL_RUNNING                0x20
+#define RF_IMAGECAL_IMAGECAL_DONE                   0x00  // Default
+
+#define RF_IMAGECAL_TEMPCHANGE_HIGHER               0x08
+#define RF_IMAGECAL_TEMPCHANGE_LOWER                0x00
+
+#define RF_IMAGECAL_TEMPTHRESHOLD_MASK              0xF9
+#define RF_IMAGECAL_TEMPTHRESHOLD_05                0x00
+#define RF_IMAGECAL_TEMPTHRESHOLD_10                0x02  // Default
+#define RF_IMAGECAL_TEMPTHRESHOLD_15                0x04
+#define RF_IMAGECAL_TEMPTHRESHOLD_20                0x06
+
+#define RF_IMAGECAL_TEMPMONITOR_MASK                0xFE
+#define RF_IMAGECAL_TEMPMONITOR_ON                  0x00 // Default
+#define RF_IMAGECAL_TEMPMONITOR_OFF                 0x01
+
+/*!
+ * RegTemp (Read Only)
+ */
+
+/*!
+ * RegLowBat
+ */
+#define RF_LOWBAT_MASK                              0xF7
+#define RF_LOWBAT_ON                                0x08
+#define RF_LOWBAT_OFF                               0x00  // Default
+
+#define RF_LOWBAT_TRIM_MASK                         0xF8
+#define RF_LOWBAT_TRIM_1695                         0x00
+#define RF_LOWBAT_TRIM_1764                         0x01
+#define RF_LOWBAT_TRIM_1835                         0x02  // Default
+#define RF_LOWBAT_TRIM_1905                         0x03
+#define RF_LOWBAT_TRIM_1976                         0x04
+#define RF_LOWBAT_TRIM_2045                         0x05
+#define RF_LOWBAT_TRIM_2116                         0x06
+#define RF_LOWBAT_TRIM_2185                         0x07
+
+/*!
+ * RegIrqFlags1
+ */
+#define RF_IRQFLAGS1_MODEREADY                      0x80
+
+#define RF_IRQFLAGS1_RXREADY                        0x40
+
+#define RF_IRQFLAGS1_TXREADY                        0x20
+
+#define RF_IRQFLAGS1_PLLLOCK                        0x10
+
+#define RF_IRQFLAGS1_RSSI                           0x08
+
+#define RF_IRQFLAGS1_TIMEOUT                        0x04
+
+#define RF_IRQFLAGS1_PREAMBLEDETECT                 0x02
+
+#define RF_IRQFLAGS1_SYNCADDRESSMATCH               0x01
+
+/*!
+ * RegIrqFlags2
+ */
+#define RF_IRQFLAGS2_FIFOFULL                       0x80
+
+#define RF_IRQFLAGS2_FIFOEMPTY                      0x40
+
+#define RF_IRQFLAGS2_FIFOLEVEL                      0x20
+
+#define RF_IRQFLAGS2_FIFOOVERRUN                    0x10
+
+#define RF_IRQFLAGS2_PACKETSENT                     0x08
+
+#define RF_IRQFLAGS2_PAYLOADREADY                   0x04
+
+#define RF_IRQFLAGS2_CRCOK                          0x02
+
+#define RF_IRQFLAGS2_LOWBAT                         0x01
+
+/*!
+ * RegDioMapping1
+ */
+#define RF_DIOMAPPING1_DIO0_MASK                    0x3F
+#define RF_DIOMAPPING1_DIO0_00                      0x00  // Default
+#define RF_DIOMAPPING1_DIO0_01                      0x40
+#define RF_DIOMAPPING1_DIO0_10                      0x80
+#define RF_DIOMAPPING1_DIO0_11                      0xC0
+
+#define RF_DIOMAPPING1_DIO1_MASK                    0xCF
+#define RF_DIOMAPPING1_DIO1_00                      0x00  // Default
+#define RF_DIOMAPPING1_DIO1_01                      0x10
+#define RF_DIOMAPPING1_DIO1_10                      0x20
+#define RF_DIOMAPPING1_DIO1_11                      0x30
+
+#define RF_DIOMAPPING1_DIO2_MASK                    0xF3
+#define RF_DIOMAPPING1_DIO2_00                      0x00  // Default
+#define RF_DIOMAPPING1_DIO2_01                      0x04
+#define RF_DIOMAPPING1_DIO2_10                      0x08
+#define RF_DIOMAPPING1_DIO2_11                      0x0C
+
+#define RF_DIOMAPPING1_DIO3_MASK                    0xFC
+#define RF_DIOMAPPING1_DIO3_00                      0x00  // Default
+#define RF_DIOMAPPING1_DIO3_01                      0x01
+#define RF_DIOMAPPING1_DIO3_10                      0x02
+#define RF_DIOMAPPING1_DIO3_11                      0x03
+
+/*!
+ * RegDioMapping2
+ */
+#define RF_DIOMAPPING2_DIO4_MASK                    0x3F
+#define RF_DIOMAPPING2_DIO4_00                      0x00  // Default
+#define RF_DIOMAPPING2_DIO4_01                      0x40
+#define RF_DIOMAPPING2_DIO4_10                      0x80
+#define RF_DIOMAPPING2_DIO4_11                      0xC0
+
+#define RF_DIOMAPPING2_DIO5_MASK                    0xCF
+#define RF_DIOMAPPING2_DIO5_00                      0x00  // Default
+#define RF_DIOMAPPING2_DIO5_01                      0x10
+#define RF_DIOMAPPING2_DIO5_10                      0x20
+#define RF_DIOMAPPING2_DIO5_11                      0x30
+
+#define RF_DIOMAPPING2_MAP_MASK                     0xFE
+#define RF_DIOMAPPING2_MAP_PREAMBLEDETECT           0x01
+#define RF_DIOMAPPING2_MAP_RSSI                     0x00  // Default
+
+/*!
+ * RegVersion (Read Only)
+ */
+
+/*!
+ * RegPllHop
+ */
+#define RF_PLLHOP_FASTHOP_MASK                      0x7F
+#define RF_PLLHOP_FASTHOP_ON                        0x80
+#define RF_PLLHOP_FASTHOP_OFF                       0x00 // Default
+
+/*!
+ * RegTcxo
+ */
+#define RF_TCXO_TCXOINPUT_MASK                      0xEF
+#define RF_TCXO_TCXOINPUT_ON                        0x10
+#define RF_TCXO_TCXOINPUT_OFF                       0x00  // Default
+
+/*!
+ * RegPaDac
+ */
+#define RF_PADAC_20DBM_MASK                         0xF8
+#define RF_PADAC_20DBM_ON                           0x07
+#define RF_PADAC_20DBM_OFF                          0x04  // Default
+
+/*!
+ * RegFormerTemp
+ */
+
+/*!
+ * RegBitrateFrac
+ */
+#define RF_BITRATEFRAC_MASK                         0xF0
+
+/*!
+ * RegAgcRef
+ */
+
+/*!
+ * RegAgcThresh1
+ */
+
+/*!
+ * RegAgcThresh2
+ */
+
+/*!
+ * RegAgcThresh3
+ */
+
+/*!
+ * RegPll
+ */
+#define RF_PLL_BANDWIDTH_MASK                       0x3F
+#define RF_PLL_BANDWIDTH_75                         0x00
+#define RF_PLL_BANDWIDTH_150                        0x40
+#define RF_PLL_BANDWIDTH_225                        0x80
+#define RF_PLL_BANDWIDTH_300                        0xC0  // Default
+
+#endif // __SX1276_REGS_FSK_H__
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SX1276/registers/sx1276Regs-LoRa.h	Wed Sep 12 20:02:02 2018 +0000
@@ -0,0 +1,569 @@
+/**
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C) 2014 Semtech
+
+Description: SX1276 LoRa modem registers and bits definitions
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+
+Copyright (c) 2017, Arm Limited and affiliates.
+
+SPDX-License-Identifier: BSD-3-Clause
+*/
+#ifndef __SX1276_REGS_LORA_H__
+#define __SX1276_REGS_LORA_H__
+
+/*!
+ * ============================================================================
+ * SX1276 Internal registers Address
+ * ============================================================================
+ */
+#define REG_LR_FIFO                                 0x00
+// Common settings
+#define REG_LR_OPMODE                               0x01
+#define REG_LR_FRFMSB                               0x06
+#define REG_LR_FRFMID                               0x07
+#define REG_LR_FRFLSB                               0x08
+// Tx settings
+#define REG_LR_PACONFIG                             0x09
+#define REG_LR_PARAMP                               0x0A
+#define REG_LR_OCP                                  0x0B
+// Rx settings
+#define REG_LR_LNA                                  0x0C
+// LoRa registers
+#define REG_LR_FIFOADDRPTR                          0x0D
+#define REG_LR_FIFOTXBASEADDR                       0x0E
+#define REG_LR_FIFORXBASEADDR                       0x0F
+#define REG_LR_FIFORXCURRENTADDR                    0x10
+#define REG_LR_IRQFLAGSMASK                         0x11
+#define REG_LR_IRQFLAGS                             0x12
+#define REG_LR_RXNBBYTES                            0x13
+#define REG_LR_RXHEADERCNTVALUEMSB                  0x14
+#define REG_LR_RXHEADERCNTVALUELSB                  0x15
+#define REG_LR_RXPACKETCNTVALUEMSB                  0x16
+#define REG_LR_RXPACKETCNTVALUELSB                  0x17
+#define REG_LR_MODEMSTAT                            0x18
+#define REG_LR_PKTSNRVALUE                          0x19
+#define REG_LR_PKTRSSIVALUE                         0x1A
+#define REG_LR_RSSIVALUE                            0x1B
+#define REG_LR_HOPCHANNEL                           0x1C
+#define REG_LR_MODEMCONFIG1                         0x1D
+#define REG_LR_MODEMCONFIG2                         0x1E
+#define REG_LR_SYMBTIMEOUTLSB                       0x1F
+#define REG_LR_PREAMBLEMSB                          0x20
+#define REG_LR_PREAMBLELSB                          0x21
+#define REG_LR_PAYLOADLENGTH                        0x22
+#define REG_LR_PAYLOADMAXLENGTH                     0x23
+#define REG_LR_HOPPERIOD                            0x24
+#define REG_LR_FIFORXBYTEADDR                       0x25
+#define REG_LR_MODEMCONFIG3                         0x26
+#define REG_LR_FEIMSB                               0x28
+#define REG_LR_FEIMID                               0x29
+#define REG_LR_FEILSB                               0x2A
+#define REG_LR_RSSIWIDEBAND                         0x2C
+#define REG_LR_TEST2F                               0x2F
+#define REG_LR_TEST30                               0x30
+#define REG_LR_DETECTOPTIMIZE                       0x31
+#define REG_LR_INVERTIQ                             0x33
+#define REG_LR_TEST36                               0x36
+#define REG_LR_DETECTIONTHRESHOLD                   0x37
+#define REG_LR_SYNCWORD                             0x39
+#define REG_LR_TEST3A                               0x3A
+#define REG_LR_INVERTIQ2                            0x3B
+
+// end of documented register in datasheet
+// I/O settings
+#define REG_LR_DIOMAPPING1                          0x40
+#define REG_LR_DIOMAPPING2                          0x41
+// Version
+#define REG_LR_VERSION                              0x42
+// Additional settings
+#define REG_LR_PLLHOP                               0x44
+#define REG_LR_TCXO                                 0x4B
+#define REG_LR_PADAC                                0x4D
+#define REG_LR_FORMERTEMP                           0x5B
+#define REG_LR_BITRATEFRAC                          0x5D
+#define REG_LR_AGCREF                               0x61
+#define REG_LR_AGCTHRESH1                           0x62
+#define REG_LR_AGCTHRESH2                           0x63
+#define REG_LR_AGCTHRESH3                           0x64
+#define REG_LR_PLL                                  0x70
+
+/*!
+ * ============================================================================
+ * SX1276 LoRa bits control definition
+ * ============================================================================
+ */
+
+/*!
+ * RegFifo
+ */
+
+/*!
+ * RegOpMode
+ */
+#define RFLR_OPMODE_LONGRANGEMODE_MASK              0x7F
+#define RFLR_OPMODE_LONGRANGEMODE_OFF               0x00 // Default
+#define RFLR_OPMODE_LONGRANGEMODE_ON                0x80
+
+#define RFLR_OPMODE_ACCESSSHAREDREG_MASK            0xBF
+#define RFLR_OPMODE_ACCESSSHAREDREG_ENABLE          0x40
+#define RFLR_OPMODE_ACCESSSHAREDREG_DISABLE         0x00 // Default
+
+#define RFLR_OPMODE_FREQMODE_ACCESS_MASK            0xF7
+#define RFLR_OPMODE_FREQMODE_ACCESS_LF              0x08 // Default
+#define RFLR_OPMODE_FREQMODE_ACCESS_HF              0x00
+
+#define RFLR_OPMODE_MASK                            0xF8
+#define RFLR_OPMODE_SLEEP                           0x00
+#define RFLR_OPMODE_STANDBY                         0x01 // Default
+#define RFLR_OPMODE_SYNTHESIZER_TX                  0x02
+#define RFLR_OPMODE_TRANSMITTER                     0x03
+#define RFLR_OPMODE_SYNTHESIZER_RX                  0x04
+#define RFLR_OPMODE_RECEIVER                        0x05
+// LoRa specific modes
+#define RFLR_OPMODE_RECEIVER_SINGLE                 0x06
+#define RFLR_OPMODE_CAD                             0x07
+
+/*!
+ * RegFrf (MHz)
+ */
+#define RFLR_FRFMSB_434_MHZ                         0x6C // Default
+#define RFLR_FRFMID_434_MHZ                         0x80 // Default
+#define RFLR_FRFLSB_434_MHZ                         0x00 // Default
+
+/*!
+ * RegPaConfig
+ */
+#define RFLR_PACONFIG_PASELECT_MASK                 0x7F
+#define RFLR_PACONFIG_PASELECT_PABOOST              0x80
+#define RFLR_PACONFIG_PASELECT_RFO                  0x00 // Default
+
+#define RFLR_PACONFIG_MAX_POWER_MASK                0x8F
+
+#define RFLR_PACONFIG_OUTPUTPOWER_MASK              0xF0
+
+/*!
+ * RegPaRamp
+ */
+#define RFLR_PARAMP_TXBANDFORCE_MASK                0xEF
+#define RFLR_PARAMP_TXBANDFORCE_BAND_SEL            0x10
+#define RFLR_PARAMP_TXBANDFORCE_AUTO                0x00 // Default
+
+#define RFLR_PARAMP_MASK                            0xF0
+#define RFLR_PARAMP_3400_US                         0x00
+#define RFLR_PARAMP_2000_US                         0x01
+#define RFLR_PARAMP_1000_US                         0x02
+#define RFLR_PARAMP_0500_US                         0x03
+#define RFLR_PARAMP_0250_US                         0x04
+#define RFLR_PARAMP_0125_US                         0x05
+#define RFLR_PARAMP_0100_US                         0x06
+#define RFLR_PARAMP_0062_US                         0x07
+#define RFLR_PARAMP_0050_US                         0x08
+#define RFLR_PARAMP_0040_US                         0x09 // Default
+#define RFLR_PARAMP_0031_US                         0x0A
+#define RFLR_PARAMP_0025_US                         0x0B
+#define RFLR_PARAMP_0020_US                         0x0C
+#define RFLR_PARAMP_0015_US                         0x0D
+#define RFLR_PARAMP_0012_US                         0x0E
+#define RFLR_PARAMP_0010_US                         0x0F
+
+/*!
+ * RegOcp
+ */
+#define RFLR_OCP_MASK                               0xDF
+#define RFLR_OCP_ON                                 0x20 // Default
+#define RFLR_OCP_OFF                                0x00
+
+#define RFLR_OCP_TRIM_MASK                          0xE0
+#define RFLR_OCP_TRIM_045_MA                        0x00
+#define RFLR_OCP_TRIM_050_MA                        0x01
+#define RFLR_OCP_TRIM_055_MA                        0x02
+#define RFLR_OCP_TRIM_060_MA                        0x03
+#define RFLR_OCP_TRIM_065_MA                        0x04
+#define RFLR_OCP_TRIM_070_MA                        0x05
+#define RFLR_OCP_TRIM_075_MA                        0x06
+#define RFLR_OCP_TRIM_080_MA                        0x07
+#define RFLR_OCP_TRIM_085_MA                        0x08
+#define RFLR_OCP_TRIM_090_MA                        0x09
+#define RFLR_OCP_TRIM_095_MA                        0x0A
+#define RFLR_OCP_TRIM_100_MA                        0x0B  // Default
+#define RFLR_OCP_TRIM_105_MA                        0x0C
+#define RFLR_OCP_TRIM_110_MA                        0x0D
+#define RFLR_OCP_TRIM_115_MA                        0x0E
+#define RFLR_OCP_TRIM_120_MA                        0x0F
+#define RFLR_OCP_TRIM_130_MA                        0x10
+#define RFLR_OCP_TRIM_140_MA                        0x11
+#define RFLR_OCP_TRIM_150_MA                        0x12
+#define RFLR_OCP_TRIM_160_MA                        0x13
+#define RFLR_OCP_TRIM_170_MA                        0x14
+#define RFLR_OCP_TRIM_180_MA                        0x15
+#define RFLR_OCP_TRIM_190_MA                        0x16
+#define RFLR_OCP_TRIM_200_MA                        0x17
+#define RFLR_OCP_TRIM_210_MA                        0x18
+#define RFLR_OCP_TRIM_220_MA                        0x19
+#define RFLR_OCP_TRIM_230_MA                        0x1A
+#define RFLR_OCP_TRIM_240_MA                        0x1B
+
+/*!
+ * RegLna
+ */
+#define RFLR_LNA_GAIN_MASK                          0x1F
+#define RFLR_LNA_GAIN_G1                            0x20 // Default
+#define RFLR_LNA_GAIN_G2                            0x40
+#define RFLR_LNA_GAIN_G3                            0x60
+#define RFLR_LNA_GAIN_G4                            0x80
+#define RFLR_LNA_GAIN_G5                            0xA0
+#define RFLR_LNA_GAIN_G6                            0xC0
+
+#define RFLR_LNA_BOOST_LF_MASK                      0xE7
+#define RFLR_LNA_BOOST_LF_DEFAULT                   0x00 // Default
+
+#define RFLR_LNA_BOOST_HF_MASK                      0xFC
+#define RFLR_LNA_BOOST_HF_OFF                       0x00 // Default
+#define RFLR_LNA_BOOST_HF_ON                        0x03
+
+/*!
+ * RegFifoAddrPtr
+ */
+#define RFLR_FIFOADDRPTR                            0x00 // Default
+
+/*!
+ * RegFifoTxBaseAddr
+ */
+#define RFLR_FIFOTXBASEADDR                         0x80 // Default
+
+/*!
+ * RegFifoTxBaseAddr
+ */
+#define RFLR_FIFORXBASEADDR                         0x00 // Default
+
+/*!
+ * RegFifoRxCurrentAddr (Read Only)
+ */
+
+/*!
+ * RegIrqFlagsMask
+ */
+#define RFLR_IRQFLAGS_RXTIMEOUT_MASK                0x80
+#define RFLR_IRQFLAGS_RXDONE_MASK                   0x40
+#define RFLR_IRQFLAGS_PAYLOADCRCERROR_MASK          0x20
+#define RFLR_IRQFLAGS_VALIDHEADER_MASK              0x10
+#define RFLR_IRQFLAGS_TXDONE_MASK                   0x08
+#define RFLR_IRQFLAGS_CADDONE_MASK                  0x04
+#define RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL_MASK       0x02
+#define RFLR_IRQFLAGS_CADDETECTED_MASK              0x01
+
+/*!
+ * RegIrqFlags
+ */
+#define RFLR_IRQFLAGS_RXTIMEOUT                     0x80
+#define RFLR_IRQFLAGS_RXDONE                        0x40
+#define RFLR_IRQFLAGS_PAYLOADCRCERROR               0x20
+#define RFLR_IRQFLAGS_VALIDHEADER                   0x10
+#define RFLR_IRQFLAGS_TXDONE                        0x08
+#define RFLR_IRQFLAGS_CADDONE                       0x04
+#define RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL            0x02
+#define RFLR_IRQFLAGS_CADDETECTED                   0x01
+
+/*!
+ * RegFifoRxNbBytes (Read Only)
+ */
+
+/*!
+ * RegRxHeaderCntValueMsb (Read Only)
+ */
+
+/*!
+ * RegRxHeaderCntValueLsb (Read Only)
+ */
+
+/*!
+ * RegRxPacketCntValueMsb (Read Only)
+ */
+
+/*!
+ * RegRxPacketCntValueLsb (Read Only)
+ */
+
+/*!
+ * RegModemStat (Read Only)
+ */
+#define RFLR_MODEMSTAT_RX_CR_MASK                   0x1F
+#define RFLR_MODEMSTAT_MODEM_STATUS_MASK            0xE0
+
+/*!
+ * RegPktSnrValue (Read Only)
+ */
+
+/*!
+ * RegPktRssiValue (Read Only)
+ */
+
+/*!
+ * RegRssiValue (Read Only)
+ */
+
+/*!
+ * RegHopChannel (Read Only)
+ */
+#define RFLR_HOPCHANNEL_PLL_LOCK_TIMEOUT_MASK       0x7F
+#define RFLR_HOPCHANNEL_PLL_LOCK_FAIL               0x80
+#define RFLR_HOPCHANNEL_PLL_LOCK_SUCCEED            0x00 // Default
+
+#define RFLR_HOPCHANNEL_CRCONPAYLOAD_MASK           0xBF
+#define RFLR_HOPCHANNEL_CRCONPAYLOAD_ON             0x40
+#define RFLR_HOPCHANNEL_CRCONPAYLOAD_OFF            0x00 // Default
+
+#define RFLR_HOPCHANNEL_CHANNEL_MASK                0x3F
+
+/*!
+ * RegModemConfig1
+ */
+#define RFLR_MODEMCONFIG1_BW_MASK                   0x0F
+#define RFLR_MODEMCONFIG1_BW_7_81_KHZ               0x00
+#define RFLR_MODEMCONFIG1_BW_10_41_KHZ              0x10
+#define RFLR_MODEMCONFIG1_BW_15_62_KHZ              0x20
+#define RFLR_MODEMCONFIG1_BW_20_83_KHZ              0x30
+#define RFLR_MODEMCONFIG1_BW_31_25_KHZ              0x40
+#define RFLR_MODEMCONFIG1_BW_41_66_KHZ              0x50
+#define RFLR_MODEMCONFIG1_BW_62_50_KHZ              0x60
+#define RFLR_MODEMCONFIG1_BW_125_KHZ                0x70 // Default
+#define RFLR_MODEMCONFIG1_BW_250_KHZ                0x80
+#define RFLR_MODEMCONFIG1_BW_500_KHZ                0x90
+
+#define RFLR_MODEMCONFIG1_CODINGRATE_MASK           0xF1
+#define RFLR_MODEMCONFIG1_CODINGRATE_4_5            0x02
+#define RFLR_MODEMCONFIG1_CODINGRATE_4_6            0x04 // Default
+#define RFLR_MODEMCONFIG1_CODINGRATE_4_7            0x06
+#define RFLR_MODEMCONFIG1_CODINGRATE_4_8            0x08
+
+#define RFLR_MODEMCONFIG1_IMPLICITHEADER_MASK       0xFE
+#define RFLR_MODEMCONFIG1_IMPLICITHEADER_ON         0x01
+#define RFLR_MODEMCONFIG1_IMPLICITHEADER_OFF        0x00 // Default
+
+/*!
+ * RegModemConfig2
+ */
+#define RFLR_MODEMCONFIG2_SF_MASK                   0x0F
+#define RFLR_MODEMCONFIG2_SF_6                      0x60
+#define RFLR_MODEMCONFIG2_SF_7                      0x70 // Default
+#define RFLR_MODEMCONFIG2_SF_8                      0x80
+#define RFLR_MODEMCONFIG2_SF_9                      0x90
+#define RFLR_MODEMCONFIG2_SF_10                     0xA0
+#define RFLR_MODEMCONFIG2_SF_11                     0xB0
+#define RFLR_MODEMCONFIG2_SF_12                     0xC0
+
+#define RFLR_MODEMCONFIG2_TXCONTINUOUSMODE_MASK     0xF7
+#define RFLR_MODEMCONFIG2_TXCONTINUOUSMODE_ON       0x08
+#define RFLR_MODEMCONFIG2_TXCONTINUOUSMODE_OFF      0x00
+
+#define RFLR_MODEMCONFIG2_RXPAYLOADCRC_MASK         0xFB
+#define RFLR_MODEMCONFIG2_RXPAYLOADCRC_ON           0x04
+#define RFLR_MODEMCONFIG2_RXPAYLOADCRC_OFF          0x00 // Default
+
+#define RFLR_MODEMCONFIG2_SYMBTIMEOUTMSB_MASK       0xFC
+#define RFLR_MODEMCONFIG2_SYMBTIMEOUTMSB            0x00 // Default
+
+/*!
+ * RegSymbTimeoutLsb
+ */
+#define RFLR_SYMBTIMEOUTLSB_SYMBTIMEOUT             0x64 // Default
+
+/*!
+ * RegPreambleLengthMsb
+ */
+#define RFLR_PREAMBLELENGTHMSB                      0x00 // Default
+
+/*!
+ * RegPreambleLengthLsb
+ */
+#define RFLR_PREAMBLELENGTHLSB                      0x08 // Default
+
+/*!
+ * RegPayloadLength
+ */
+#define RFLR_PAYLOADLENGTH                          0x0E // Default
+
+/*!
+ * RegPayloadMaxLength
+ */
+#define RFLR_PAYLOADMAXLENGTH                       0xFF // Default
+
+/*!
+ * RegHopPeriod
+ */
+#define RFLR_HOPPERIOD_FREQFOPPINGPERIOD            0x00 // Default
+
+/*!
+ * RegFifoRxByteAddr (Read Only)
+ */
+
+/*!
+ * RegModemConfig3
+ */
+#define RFLR_MODEMCONFIG3_LOWDATARATEOPTIMIZE_MASK  0xF7
+#define RFLR_MODEMCONFIG3_LOWDATARATEOPTIMIZE_ON    0x08
+#define RFLR_MODEMCONFIG3_LOWDATARATEOPTIMIZE_OFF   0x00 // Default
+
+#define RFLR_MODEMCONFIG3_AGCAUTO_MASK              0xFB
+#define RFLR_MODEMCONFIG3_AGCAUTO_ON                0x04 // Default
+#define RFLR_MODEMCONFIG3_AGCAUTO_OFF               0x00
+
+/*!
+ * RegFeiMsb (Read Only)
+ */
+
+/*!
+ * RegFeiMid (Read Only)
+ */
+
+/*!
+ * RegFeiLsb (Read Only)
+ */
+
+/*!
+ * RegRssiWideband (Read Only)
+ */
+
+/*!
+ * RegDetectOptimize
+ */
+#define RFLR_DETECTIONOPTIMIZE_MASK                 0xF8
+#define RFLR_DETECTIONOPTIMIZE_SF7_TO_SF12          0x03 // Default
+#define RFLR_DETECTIONOPTIMIZE_SF6                  0x05
+
+/*!
+ * RegInvertIQ
+ */
+#define RFLR_INVERTIQ_RX_MASK                       0xBF
+#define RFLR_INVERTIQ_RX_OFF                        0x00
+#define RFLR_INVERTIQ_RX_ON                         0x40
+#define RFLR_INVERTIQ_TX_MASK                       0xFE
+#define RFLR_INVERTIQ_TX_OFF                        0x01
+#define RFLR_INVERTIQ_TX_ON                         0x00
+
+/*!
+ * RegDetectionThreshold
+ */
+#define RFLR_DETECTIONTHRESH_SF7_TO_SF12            0x0A // Default
+#define RFLR_DETECTIONTHRESH_SF6                    0x0C
+
+/*!
+ * RegInvertIQ2
+ */
+#define RFLR_INVERTIQ2_ON                           0x19
+#define RFLR_INVERTIQ2_OFF                          0x1D
+
+/*!
+ * RegDioMapping1
+ */
+#define RFLR_DIOMAPPING1_DIO0_MASK                  0x3F
+#define RFLR_DIOMAPPING1_DIO0_00                    0x00  // Default
+#define RFLR_DIOMAPPING1_DIO0_01                    0x40
+#define RFLR_DIOMAPPING1_DIO0_10                    0x80
+#define RFLR_DIOMAPPING1_DIO0_11                    0xC0
+
+#define RFLR_DIOMAPPING1_DIO1_MASK                  0xCF
+#define RFLR_DIOMAPPING1_DIO1_00                    0x00  // Default
+#define RFLR_DIOMAPPING1_DIO1_01                    0x10
+#define RFLR_DIOMAPPING1_DIO1_10                    0x20
+#define RFLR_DIOMAPPING1_DIO1_11                    0x30
+
+#define RFLR_DIOMAPPING1_DIO2_MASK                  0xF3
+#define RFLR_DIOMAPPING1_DIO2_00                    0x00  // Default
+#define RFLR_DIOMAPPING1_DIO2_01                    0x04
+#define RFLR_DIOMAPPING1_DIO2_10                    0x08
+#define RFLR_DIOMAPPING1_DIO2_11                    0x0C
+
+#define RFLR_DIOMAPPING1_DIO3_MASK                  0xFC
+#define RFLR_DIOMAPPING1_DIO3_00                    0x00  // Default
+#define RFLR_DIOMAPPING1_DIO3_01                    0x01
+#define RFLR_DIOMAPPING1_DIO3_10                    0x02
+#define RFLR_DIOMAPPING1_DIO3_11                    0x03
+
+/*!
+ * RegDioMapping2
+ */
+#define RFLR_DIOMAPPING2_DIO4_MASK                  0x3F
+#define RFLR_DIOMAPPING2_DIO4_00                    0x00  // Default
+#define RFLR_DIOMAPPING2_DIO4_01                    0x40
+#define RFLR_DIOMAPPING2_DIO4_10                    0x80
+#define RFLR_DIOMAPPING2_DIO4_11                    0xC0
+
+#define RFLR_DIOMAPPING2_DIO5_MASK                  0xCF
+#define RFLR_DIOMAPPING2_DIO5_00                    0x00  // Default
+#define RFLR_DIOMAPPING2_DIO5_01                    0x10
+#define RFLR_DIOMAPPING2_DIO5_10                    0x20
+#define RFLR_DIOMAPPING2_DIO5_11                    0x30
+
+#define RFLR_DIOMAPPING2_MAP_MASK                   0xFE
+#define RFLR_DIOMAPPING2_MAP_PREAMBLEDETECT         0x01
+#define RFLR_DIOMAPPING2_MAP_RSSI                   0x00  // Default
+
+/*!
+ * RegVersion (Read Only)
+ */
+
+/*!
+ * RegPllHop
+ */
+#define RFLR_PLLHOP_FASTHOP_MASK                    0x7F
+#define RFLR_PLLHOP_FASTHOP_ON                      0x80
+#define RFLR_PLLHOP_FASTHOP_OFF                     0x00 // Default
+
+/*!
+ * RegTcxo
+ */
+#define RFLR_TCXO_TCXOINPUT_MASK                    0xEF
+#define RFLR_TCXO_TCXOINPUT_ON                      0x10
+#define RFLR_TCXO_TCXOINPUT_OFF                     0x00  // Default
+
+/*!
+ * RegPaDac
+ */
+#define RFLR_PADAC_20DBM_MASK                       0xF8
+#define RFLR_PADAC_20DBM_ON                         0x07
+#define RFLR_PADAC_20DBM_OFF                        0x04  // Default
+
+/*!
+ * RegFormerTemp
+ */
+
+/*!
+ * RegBitrateFrac
+ */
+#define RF_BITRATEFRAC_MASK                         0xF0
+
+/*!
+ * RegAgcRef
+ */
+
+/*!
+ * RegAgcThresh1
+ */
+
+/*!
+ * RegAgcThresh2
+ */
+
+/*!
+ * RegAgcThresh3
+ */
+
+/*!
+ * RegPll
+ */
+#define RF_PLL_BANDWIDTH_MASK                       0x3F
+#define RF_PLL_BANDWIDTH_75                         0x00
+#define RF_PLL_BANDWIDTH_150                        0x40
+#define RF_PLL_BANDWIDTH_225                        0x80
+#define RF_PLL_BANDWIDTH_300                        0xC0  // Default
+
+#endif // __SX1276_REGS_LORA_H__