Vergil Cola
/
MQTTGatewayK64
Fork of my MQTTGateway
easy-connect/mcr20a-rf-driver/source/NanostackRfPhyMcr20a.cpp@0:f1d3878b8dd9, 2017-04-08 (annotated)
- Committer:
- vpcola
- Date:
- Sat Apr 08 14:45:51 2017 +0000
- Revision:
- 0:f1d3878b8dd9
Initial commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
vpcola | 0:f1d3878b8dd9 | 1 | /* |
vpcola | 0:f1d3878b8dd9 | 2 | * Copyright (c) 2014-2015 ARM Limited. All rights reserved. |
vpcola | 0:f1d3878b8dd9 | 3 | * SPDX-License-Identifier: Apache-2.0 |
vpcola | 0:f1d3878b8dd9 | 4 | * Licensed under the Apache License, Version 2.0 (the License); you may |
vpcola | 0:f1d3878b8dd9 | 5 | * not use this file except in compliance with the License. |
vpcola | 0:f1d3878b8dd9 | 6 | * You may obtain a copy of the License at |
vpcola | 0:f1d3878b8dd9 | 7 | * |
vpcola | 0:f1d3878b8dd9 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
vpcola | 0:f1d3878b8dd9 | 9 | * |
vpcola | 0:f1d3878b8dd9 | 10 | * Unless required by applicable law or agreed to in writing, software |
vpcola | 0:f1d3878b8dd9 | 11 | * distributed under the License is distributed on an AS IS BASIS, WITHOUT |
vpcola | 0:f1d3878b8dd9 | 12 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
vpcola | 0:f1d3878b8dd9 | 13 | * See the License for the specific language governing permissions and |
vpcola | 0:f1d3878b8dd9 | 14 | * limitations under the License. |
vpcola | 0:f1d3878b8dd9 | 15 | */ |
vpcola | 0:f1d3878b8dd9 | 16 | #include "NanostackRfPhyMcr20a.h" |
vpcola | 0:f1d3878b8dd9 | 17 | #include "ns_types.h" |
vpcola | 0:f1d3878b8dd9 | 18 | #include "platform/arm_hal_interrupt.h" |
vpcola | 0:f1d3878b8dd9 | 19 | #include "nanostack/platform/arm_hal_phy.h" |
vpcola | 0:f1d3878b8dd9 | 20 | #include "toolchain.h" |
vpcola | 0:f1d3878b8dd9 | 21 | #include <string.h> |
vpcola | 0:f1d3878b8dd9 | 22 | |
vpcola | 0:f1d3878b8dd9 | 23 | /* Freescale headers which are for C files */ |
vpcola | 0:f1d3878b8dd9 | 24 | extern "C" { |
vpcola | 0:f1d3878b8dd9 | 25 | #include "MCR20Drv.h" |
vpcola | 0:f1d3878b8dd9 | 26 | #include "MCR20Reg.h" |
vpcola | 0:f1d3878b8dd9 | 27 | #include "MCR20Overwrites.h" |
vpcola | 0:f1d3878b8dd9 | 28 | } |
vpcola | 0:f1d3878b8dd9 | 29 | |
vpcola | 0:f1d3878b8dd9 | 30 | |
vpcola | 0:f1d3878b8dd9 | 31 | #define RF_BUFFER_SIZE 128 |
vpcola | 0:f1d3878b8dd9 | 32 | |
vpcola | 0:f1d3878b8dd9 | 33 | /*Radio RX and TX state definitions*/ |
vpcola | 0:f1d3878b8dd9 | 34 | #define RFF_ON 0x01 |
vpcola | 0:f1d3878b8dd9 | 35 | #define RFF_RX 0x02 |
vpcola | 0:f1d3878b8dd9 | 36 | #define RFF_TX 0x04 |
vpcola | 0:f1d3878b8dd9 | 37 | #define RFF_CCA 0x08 |
vpcola | 0:f1d3878b8dd9 | 38 | |
vpcola | 0:f1d3878b8dd9 | 39 | #define RF_MODE_NORMAL 0 |
vpcola | 0:f1d3878b8dd9 | 40 | #define RF_MODE_SNIFFER 1 |
vpcola | 0:f1d3878b8dd9 | 41 | |
vpcola | 0:f1d3878b8dd9 | 42 | #define RF_CCA_THRESHOLD 75 /* -75 dBm */ |
vpcola | 0:f1d3878b8dd9 | 43 | |
vpcola | 0:f1d3878b8dd9 | 44 | #define RF_TX_POWER_MAX 0 |
vpcola | 0:f1d3878b8dd9 | 45 | |
vpcola | 0:f1d3878b8dd9 | 46 | /* PHY constants in symbols */ |
vpcola | 0:f1d3878b8dd9 | 47 | #define gPhyWarmUpTime_c 9 |
vpcola | 0:f1d3878b8dd9 | 48 | #define gPhySHRDuration_c 10 |
vpcola | 0:f1d3878b8dd9 | 49 | #define gPhySymbolsPerOctet_c 2 |
vpcola | 0:f1d3878b8dd9 | 50 | #define gPhyAckWaitDuration_c 54 |
vpcola | 0:f1d3878b8dd9 | 51 | |
vpcola | 0:f1d3878b8dd9 | 52 | #define gCcaED_c 0 |
vpcola | 0:f1d3878b8dd9 | 53 | #define gCcaCCA_MODE1_c 1 |
vpcola | 0:f1d3878b8dd9 | 54 | |
vpcola | 0:f1d3878b8dd9 | 55 | #define gXcvrRunState_d gXcvrPwrAutodoze_c |
vpcola | 0:f1d3878b8dd9 | 56 | #define gXcvrLowPowerState_d gXcvrPwrHibernate_c |
vpcola | 0:f1d3878b8dd9 | 57 | |
vpcola | 0:f1d3878b8dd9 | 58 | |
vpcola | 0:f1d3878b8dd9 | 59 | /* MCR20A XCVR states */ |
vpcola | 0:f1d3878b8dd9 | 60 | typedef enum xcvrState_tag{ |
vpcola | 0:f1d3878b8dd9 | 61 | gIdle_c, |
vpcola | 0:f1d3878b8dd9 | 62 | gRX_c, |
vpcola | 0:f1d3878b8dd9 | 63 | gTX_c, |
vpcola | 0:f1d3878b8dd9 | 64 | gCCA_c, |
vpcola | 0:f1d3878b8dd9 | 65 | gTR_c, |
vpcola | 0:f1d3878b8dd9 | 66 | gCCCA_c, |
vpcola | 0:f1d3878b8dd9 | 67 | }xcvrState_t; |
vpcola | 0:f1d3878b8dd9 | 68 | |
vpcola | 0:f1d3878b8dd9 | 69 | /* MCR20A XCVR low power states */ |
vpcola | 0:f1d3878b8dd9 | 70 | typedef enum xcvrPwrMode_tag{ |
vpcola | 0:f1d3878b8dd9 | 71 | gXcvrPwrIdle_c, |
vpcola | 0:f1d3878b8dd9 | 72 | gXcvrPwrAutodoze_c, |
vpcola | 0:f1d3878b8dd9 | 73 | gXcvrPwrDoze_c, |
vpcola | 0:f1d3878b8dd9 | 74 | gXcvrPwrHibernate_c |
vpcola | 0:f1d3878b8dd9 | 75 | }xcvrPwrMode_t; |
vpcola | 0:f1d3878b8dd9 | 76 | |
vpcola | 0:f1d3878b8dd9 | 77 | |
vpcola | 0:f1d3878b8dd9 | 78 | /*RF Part Type*/ |
vpcola | 0:f1d3878b8dd9 | 79 | typedef enum |
vpcola | 0:f1d3878b8dd9 | 80 | { |
vpcola | 0:f1d3878b8dd9 | 81 | FREESCALE_UNKNOW_DEV = 0, |
vpcola | 0:f1d3878b8dd9 | 82 | FREESCALE_MCR20A |
vpcola | 0:f1d3878b8dd9 | 83 | }rf_trx_part_e; |
vpcola | 0:f1d3878b8dd9 | 84 | |
vpcola | 0:f1d3878b8dd9 | 85 | /*Atmel RF states*/ |
vpcola | 0:f1d3878b8dd9 | 86 | typedef enum |
vpcola | 0:f1d3878b8dd9 | 87 | { |
vpcola | 0:f1d3878b8dd9 | 88 | NOP = 0x00, |
vpcola | 0:f1d3878b8dd9 | 89 | BUSY_RX = 0x01, |
vpcola | 0:f1d3878b8dd9 | 90 | RF_TX_START = 0x02, |
vpcola | 0:f1d3878b8dd9 | 91 | FORCE_TRX_OFF = 0x03, |
vpcola | 0:f1d3878b8dd9 | 92 | FORCE_PLL_ON = 0x04, |
vpcola | 0:f1d3878b8dd9 | 93 | RX_ON = 0x06, |
vpcola | 0:f1d3878b8dd9 | 94 | TRX_OFF = 0x08, |
vpcola | 0:f1d3878b8dd9 | 95 | PLL_ON = 0x09, |
vpcola | 0:f1d3878b8dd9 | 96 | BUSY_RX_AACK = 0x11, |
vpcola | 0:f1d3878b8dd9 | 97 | SLEEP = 0x0F, |
vpcola | 0:f1d3878b8dd9 | 98 | RX_AACK_ON = 0x16, |
vpcola | 0:f1d3878b8dd9 | 99 | TX_ARET_ON = 0x19 |
vpcola | 0:f1d3878b8dd9 | 100 | }rf_trx_states_t; |
vpcola | 0:f1d3878b8dd9 | 101 | |
vpcola | 0:f1d3878b8dd9 | 102 | /*RF receive buffer*/ |
vpcola | 0:f1d3878b8dd9 | 103 | static uint8_t rf_buffer[RF_BUFFER_SIZE]; |
vpcola | 0:f1d3878b8dd9 | 104 | |
vpcola | 0:f1d3878b8dd9 | 105 | /* TX info */ |
vpcola | 0:f1d3878b8dd9 | 106 | static uint8_t radio_tx_power = 0x17; /* 0 dBm */ |
vpcola | 0:f1d3878b8dd9 | 107 | static uint8_t mac_tx_handle = 0; |
vpcola | 0:f1d3878b8dd9 | 108 | static uint8_t need_ack = 0; |
vpcola | 0:f1d3878b8dd9 | 109 | static uint16_t tx_len = 0; |
vpcola | 0:f1d3878b8dd9 | 110 | |
vpcola | 0:f1d3878b8dd9 | 111 | /* RF driver data */ |
vpcola | 0:f1d3878b8dd9 | 112 | static xcvrState_t mPhySeqState; |
vpcola | 0:f1d3878b8dd9 | 113 | static xcvrPwrMode_t mPwrState; |
vpcola | 0:f1d3878b8dd9 | 114 | static phy_device_driver_s device_driver; |
vpcola | 0:f1d3878b8dd9 | 115 | static uint8_t mStatusAndControlRegs[8]; |
vpcola | 0:f1d3878b8dd9 | 116 | static uint8_t rf_rnd = 0; |
vpcola | 0:f1d3878b8dd9 | 117 | static int8_t rf_radio_driver_id = -1; |
vpcola | 0:f1d3878b8dd9 | 118 | static uint8_t MAC_address[8] = {1, 2, 3, 4, 5, 6, 7, 8}; |
vpcola | 0:f1d3878b8dd9 | 119 | |
vpcola | 0:f1d3878b8dd9 | 120 | /* Driver instance handle and hardware */ |
vpcola | 0:f1d3878b8dd9 | 121 | static NanostackRfPhyMcr20a *rf = NULL; |
vpcola | 0:f1d3878b8dd9 | 122 | static SPI *spi = NULL; |
vpcola | 0:f1d3878b8dd9 | 123 | static DigitalOut *cs = NULL; |
vpcola | 0:f1d3878b8dd9 | 124 | static DigitalOut *rst = NULL; |
vpcola | 0:f1d3878b8dd9 | 125 | static InterruptIn *irq = NULL; |
vpcola | 0:f1d3878b8dd9 | 126 | static DigitalIn *irq_pin = NULL; |
vpcola | 0:f1d3878b8dd9 | 127 | |
vpcola | 0:f1d3878b8dd9 | 128 | /* Channel info */ /* 2405 2410 2415 2420 2425 2430 2435 2440 2445 2450 2455 2460 2465 2470 2475 2480 */ |
vpcola | 0:f1d3878b8dd9 | 129 | static const uint8_t pll_int[16] = {0x0B, 0x0B, 0x0B, 0x0B, 0x0B, 0x0B, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0D, 0x0D, 0x0D, 0x0D}; |
vpcola | 0:f1d3878b8dd9 | 130 | static const uint16_t pll_frac[16] = {0x2800, 0x5000, 0x7800, 0xA000, 0xC800, 0xF000, 0x1800, 0x4000, 0x6800, 0x9000, 0xB800, 0xE000, 0x0800, 0x3000, 0x5800, 0x8000}; |
vpcola | 0:f1d3878b8dd9 | 131 | static uint8_t rf_phy_channel = 0; |
vpcola | 0:f1d3878b8dd9 | 132 | |
vpcola | 0:f1d3878b8dd9 | 133 | /* Channel configurations for 2.4 */ |
vpcola | 0:f1d3878b8dd9 | 134 | static const phy_rf_channel_configuration_s phy_24ghz = {2405000000U, 5000000U, 250000U, 16U, M_OQPSK}; |
vpcola | 0:f1d3878b8dd9 | 135 | |
vpcola | 0:f1d3878b8dd9 | 136 | static const phy_device_channel_page_s phy_channel_pages[] = { |
vpcola | 0:f1d3878b8dd9 | 137 | { CHANNEL_PAGE_0, &phy_24ghz}, |
vpcola | 0:f1d3878b8dd9 | 138 | { CHANNEL_PAGE_0, NULL} |
vpcola | 0:f1d3878b8dd9 | 139 | }; |
vpcola | 0:f1d3878b8dd9 | 140 | |
vpcola | 0:f1d3878b8dd9 | 141 | |
vpcola | 0:f1d3878b8dd9 | 142 | static rf_trx_part_e rf_radio_type_read(void); |
vpcola | 0:f1d3878b8dd9 | 143 | |
vpcola | 0:f1d3878b8dd9 | 144 | MBED_UNUSED static void rf_ack_wait_timer_start(uint16_t slots); |
vpcola | 0:f1d3878b8dd9 | 145 | MBED_UNUSED static void rf_ack_wait_timer_stop(void); |
vpcola | 0:f1d3878b8dd9 | 146 | MBED_UNUSED static void rf_handle_cca_ed_done(void); |
vpcola | 0:f1d3878b8dd9 | 147 | MBED_UNUSED static void rf_handle_tx_end(void); |
vpcola | 0:f1d3878b8dd9 | 148 | MBED_UNUSED static void rf_handle_rx_end(void); |
vpcola | 0:f1d3878b8dd9 | 149 | MBED_UNUSED static void rf_on(void); |
vpcola | 0:f1d3878b8dd9 | 150 | MBED_UNUSED static void rf_receive(void); |
vpcola | 0:f1d3878b8dd9 | 151 | MBED_UNUSED static void rf_poll_trx_state_change(rf_trx_states_t trx_state); |
vpcola | 0:f1d3878b8dd9 | 152 | MBED_UNUSED static void rf_init(void); |
vpcola | 0:f1d3878b8dd9 | 153 | MBED_UNUSED static void rf_set_mac_address(const uint8_t *ptr); |
vpcola | 0:f1d3878b8dd9 | 154 | MBED_UNUSED static int8_t rf_device_register(void); |
vpcola | 0:f1d3878b8dd9 | 155 | MBED_UNUSED static void rf_device_unregister(void); |
vpcola | 0:f1d3878b8dd9 | 156 | MBED_UNUSED static int8_t rf_start_cca(uint8_t *data_ptr, uint16_t data_length, uint8_t tx_handle, data_protocol_e data_protocol ); |
vpcola | 0:f1d3878b8dd9 | 157 | MBED_UNUSED static void rf_cca_abort(void); |
vpcola | 0:f1d3878b8dd9 | 158 | MBED_UNUSED static void rf_read_mac_address(uint8_t *ptr); |
vpcola | 0:f1d3878b8dd9 | 159 | MBED_UNUSED static int8_t rf_read_random(void); |
vpcola | 0:f1d3878b8dd9 | 160 | MBED_UNUSED static void rf_calibration_cb(void); |
vpcola | 0:f1d3878b8dd9 | 161 | MBED_UNUSED static void rf_init_phy_mode(void); |
vpcola | 0:f1d3878b8dd9 | 162 | MBED_UNUSED static void rf_ack_wait_timer_interrupt(void); |
vpcola | 0:f1d3878b8dd9 | 163 | MBED_UNUSED static void rf_calibration_timer_interrupt(void); |
vpcola | 0:f1d3878b8dd9 | 164 | MBED_UNUSED static void rf_calibration_timer_start(uint32_t slots); |
vpcola | 0:f1d3878b8dd9 | 165 | MBED_UNUSED static void rf_cca_timer_interrupt(void); |
vpcola | 0:f1d3878b8dd9 | 166 | MBED_UNUSED static void rf_cca_timer_start(uint32_t slots); |
vpcola | 0:f1d3878b8dd9 | 167 | MBED_UNUSED static uint16_t rf_get_phy_mtu_size(void); |
vpcola | 0:f1d3878b8dd9 | 168 | MBED_UNUSED static uint8_t rf_scale_lqi(int8_t rssi); |
vpcola | 0:f1d3878b8dd9 | 169 | |
vpcola | 0:f1d3878b8dd9 | 170 | /** |
vpcola | 0:f1d3878b8dd9 | 171 | * RF output power write |
vpcola | 0:f1d3878b8dd9 | 172 | * |
vpcola | 0:f1d3878b8dd9 | 173 | * \brief TX power has to be set before network start. |
vpcola | 0:f1d3878b8dd9 | 174 | * |
vpcola | 0:f1d3878b8dd9 | 175 | * \param power |
vpcola | 0:f1d3878b8dd9 | 176 | * See datasheet for TX power settings |
vpcola | 0:f1d3878b8dd9 | 177 | * |
vpcola | 0:f1d3878b8dd9 | 178 | * \return 0, Supported Value |
vpcola | 0:f1d3878b8dd9 | 179 | * \return -1, Not Supported Value |
vpcola | 0:f1d3878b8dd9 | 180 | */ |
vpcola | 0:f1d3878b8dd9 | 181 | MBED_UNUSED static int8_t rf_tx_power_set(uint8_t power); |
vpcola | 0:f1d3878b8dd9 | 182 | MBED_UNUSED static uint8_t rf_tx_power_get(void); |
vpcola | 0:f1d3878b8dd9 | 183 | MBED_UNUSED static int8_t rf_enable_antenna_diversity(void); |
vpcola | 0:f1d3878b8dd9 | 184 | |
vpcola | 0:f1d3878b8dd9 | 185 | /* Private functions */ |
vpcola | 0:f1d3878b8dd9 | 186 | MBED_UNUSED static void rf_abort(void); |
vpcola | 0:f1d3878b8dd9 | 187 | MBED_UNUSED static void rf_promiscuous(uint8_t mode); |
vpcola | 0:f1d3878b8dd9 | 188 | MBED_UNUSED static void rf_get_timestamp(uint32_t *pRetClk); |
vpcola | 0:f1d3878b8dd9 | 189 | MBED_UNUSED static void rf_set_timeout(uint32_t *pEndTime); |
vpcola | 0:f1d3878b8dd9 | 190 | MBED_UNUSED static void rf_set_power_state(xcvrPwrMode_t newState); |
vpcola | 0:f1d3878b8dd9 | 191 | MBED_UNUSED static uint8_t rf_if_read_rnd(void); |
vpcola | 0:f1d3878b8dd9 | 192 | MBED_UNUSED static uint8_t rf_convert_LQI(uint8_t hwLqi); |
vpcola | 0:f1d3878b8dd9 | 193 | MBED_UNUSED static uint8_t rf_get_channel_energy(void); |
vpcola | 0:f1d3878b8dd9 | 194 | MBED_UNUSED static uint8_t rf_convert_energy_level(uint8_t energyLevel); |
vpcola | 0:f1d3878b8dd9 | 195 | MBED_UNUSED static int8_t rf_convert_LQI_to_RSSI(uint8_t lqi); |
vpcola | 0:f1d3878b8dd9 | 196 | MBED_UNUSED static int8_t rf_interface_state_control(phy_interface_state_e new_state, uint8_t rf_channel); |
vpcola | 0:f1d3878b8dd9 | 197 | MBED_UNUSED static int8_t rf_extension(phy_extension_type_e extension_type,uint8_t *data_ptr); |
vpcola | 0:f1d3878b8dd9 | 198 | MBED_UNUSED static int8_t rf_address_write(phy_address_type_e address_type,uint8_t *address_ptr); |
vpcola | 0:f1d3878b8dd9 | 199 | MBED_UNUSED static void rf_mac64_read(uint8_t *address); |
vpcola | 0:f1d3878b8dd9 | 200 | |
vpcola | 0:f1d3878b8dd9 | 201 | |
vpcola | 0:f1d3878b8dd9 | 202 | |
vpcola | 0:f1d3878b8dd9 | 203 | /* |
vpcola | 0:f1d3878b8dd9 | 204 | * \brief Read connected radio part. |
vpcola | 0:f1d3878b8dd9 | 205 | * |
vpcola | 0:f1d3878b8dd9 | 206 | * This function only return valid information when rf_init() is called |
vpcola | 0:f1d3878b8dd9 | 207 | * |
vpcola | 0:f1d3878b8dd9 | 208 | * \return |
vpcola | 0:f1d3878b8dd9 | 209 | */ |
vpcola | 0:f1d3878b8dd9 | 210 | static rf_trx_part_e rf_radio_type_read(void) |
vpcola | 0:f1d3878b8dd9 | 211 | { |
vpcola | 0:f1d3878b8dd9 | 212 | return FREESCALE_MCR20A; |
vpcola | 0:f1d3878b8dd9 | 213 | } |
vpcola | 0:f1d3878b8dd9 | 214 | |
vpcola | 0:f1d3878b8dd9 | 215 | /* |
vpcola | 0:f1d3878b8dd9 | 216 | * \brief Function initialises and registers the RF driver. |
vpcola | 0:f1d3878b8dd9 | 217 | * |
vpcola | 0:f1d3878b8dd9 | 218 | * \param none |
vpcola | 0:f1d3878b8dd9 | 219 | * |
vpcola | 0:f1d3878b8dd9 | 220 | * \return rf_radio_driver_id Driver ID given by NET library |
vpcola | 0:f1d3878b8dd9 | 221 | */ |
vpcola | 0:f1d3878b8dd9 | 222 | static int8_t rf_device_register(void) |
vpcola | 0:f1d3878b8dd9 | 223 | { |
vpcola | 0:f1d3878b8dd9 | 224 | rf_trx_part_e radio_type; |
vpcola | 0:f1d3878b8dd9 | 225 | |
vpcola | 0:f1d3878b8dd9 | 226 | rf_init(); |
vpcola | 0:f1d3878b8dd9 | 227 | |
vpcola | 0:f1d3878b8dd9 | 228 | |
vpcola | 0:f1d3878b8dd9 | 229 | |
vpcola | 0:f1d3878b8dd9 | 230 | radio_type = rf_radio_type_read(); |
vpcola | 0:f1d3878b8dd9 | 231 | if(radio_type == FREESCALE_MCR20A) |
vpcola | 0:f1d3878b8dd9 | 232 | { |
vpcola | 0:f1d3878b8dd9 | 233 | /*Set pointer to MAC address*/ |
vpcola | 0:f1d3878b8dd9 | 234 | device_driver.PHY_MAC = MAC_address; |
vpcola | 0:f1d3878b8dd9 | 235 | device_driver.driver_description = (char*)"FREESCALE_MAC"; |
vpcola | 0:f1d3878b8dd9 | 236 | |
vpcola | 0:f1d3878b8dd9 | 237 | //Create setup Used Radio chips |
vpcola | 0:f1d3878b8dd9 | 238 | /*Type of RF PHY is SubGHz*/ |
vpcola | 0:f1d3878b8dd9 | 239 | device_driver.link_type = PHY_LINK_15_4_2_4GHZ_TYPE; |
vpcola | 0:f1d3878b8dd9 | 240 | |
vpcola | 0:f1d3878b8dd9 | 241 | device_driver.phy_channel_pages = phy_channel_pages; |
vpcola | 0:f1d3878b8dd9 | 242 | /*Maximum size of payload is 127*/ |
vpcola | 0:f1d3878b8dd9 | 243 | device_driver.phy_MTU = 127; |
vpcola | 0:f1d3878b8dd9 | 244 | /*No header in PHY*/ |
vpcola | 0:f1d3878b8dd9 | 245 | device_driver.phy_header_length = 0; |
vpcola | 0:f1d3878b8dd9 | 246 | /*No tail in PHY*/ |
vpcola | 0:f1d3878b8dd9 | 247 | device_driver.phy_tail_length = 0; |
vpcola | 0:f1d3878b8dd9 | 248 | /*Set address write function*/ |
vpcola | 0:f1d3878b8dd9 | 249 | device_driver.address_write = &rf_address_write; |
vpcola | 0:f1d3878b8dd9 | 250 | /*Set RF extension function*/ |
vpcola | 0:f1d3878b8dd9 | 251 | device_driver.extension = &rf_extension; |
vpcola | 0:f1d3878b8dd9 | 252 | /*Set RF state control function*/ |
vpcola | 0:f1d3878b8dd9 | 253 | device_driver.state_control = &rf_interface_state_control; |
vpcola | 0:f1d3878b8dd9 | 254 | /*Set transmit function*/ |
vpcola | 0:f1d3878b8dd9 | 255 | device_driver.tx = &rf_start_cca; |
vpcola | 0:f1d3878b8dd9 | 256 | /*Upper layer callbacks init to NULL*/ |
vpcola | 0:f1d3878b8dd9 | 257 | device_driver.phy_rx_cb = NULL; |
vpcola | 0:f1d3878b8dd9 | 258 | device_driver.phy_tx_done_cb = NULL; |
vpcola | 0:f1d3878b8dd9 | 259 | /*Virtual upper data callback init to NULL*/ |
vpcola | 0:f1d3878b8dd9 | 260 | device_driver.arm_net_virtual_rx_cb = NULL; |
vpcola | 0:f1d3878b8dd9 | 261 | device_driver.arm_net_virtual_tx_cb = NULL; |
vpcola | 0:f1d3878b8dd9 | 262 | |
vpcola | 0:f1d3878b8dd9 | 263 | /*Register device driver*/ |
vpcola | 0:f1d3878b8dd9 | 264 | rf_radio_driver_id = arm_net_phy_register(&device_driver); |
vpcola | 0:f1d3878b8dd9 | 265 | } |
vpcola | 0:f1d3878b8dd9 | 266 | |
vpcola | 0:f1d3878b8dd9 | 267 | return rf_radio_driver_id; |
vpcola | 0:f1d3878b8dd9 | 268 | } |
vpcola | 0:f1d3878b8dd9 | 269 | |
vpcola | 0:f1d3878b8dd9 | 270 | /* |
vpcola | 0:f1d3878b8dd9 | 271 | * \brief Function unregisters the RF driver. |
vpcola | 0:f1d3878b8dd9 | 272 | * |
vpcola | 0:f1d3878b8dd9 | 273 | * \param none |
vpcola | 0:f1d3878b8dd9 | 274 | * |
vpcola | 0:f1d3878b8dd9 | 275 | * \return none |
vpcola | 0:f1d3878b8dd9 | 276 | */ |
vpcola | 0:f1d3878b8dd9 | 277 | static void rf_device_unregister(void) |
vpcola | 0:f1d3878b8dd9 | 278 | { |
vpcola | 0:f1d3878b8dd9 | 279 | arm_net_phy_unregister(rf_radio_driver_id); |
vpcola | 0:f1d3878b8dd9 | 280 | } |
vpcola | 0:f1d3878b8dd9 | 281 | |
vpcola | 0:f1d3878b8dd9 | 282 | /* |
vpcola | 0:f1d3878b8dd9 | 283 | * \brief Function returns the generated 8-bit random value for seeding Pseudo-random generator. |
vpcola | 0:f1d3878b8dd9 | 284 | * |
vpcola | 0:f1d3878b8dd9 | 285 | * \param none |
vpcola | 0:f1d3878b8dd9 | 286 | * |
vpcola | 0:f1d3878b8dd9 | 287 | * \return random value |
vpcola | 0:f1d3878b8dd9 | 288 | */ |
vpcola | 0:f1d3878b8dd9 | 289 | static int8_t rf_read_random(void) |
vpcola | 0:f1d3878b8dd9 | 290 | { |
vpcola | 0:f1d3878b8dd9 | 291 | return rf_rnd; |
vpcola | 0:f1d3878b8dd9 | 292 | } |
vpcola | 0:f1d3878b8dd9 | 293 | |
vpcola | 0:f1d3878b8dd9 | 294 | /* |
vpcola | 0:f1d3878b8dd9 | 295 | * \brief Function is a call back for ACK wait timeout. |
vpcola | 0:f1d3878b8dd9 | 296 | * |
vpcola | 0:f1d3878b8dd9 | 297 | * \param none |
vpcola | 0:f1d3878b8dd9 | 298 | * |
vpcola | 0:f1d3878b8dd9 | 299 | * \return none |
vpcola | 0:f1d3878b8dd9 | 300 | */ |
vpcola | 0:f1d3878b8dd9 | 301 | static void rf_ack_wait_timer_interrupt(void) |
vpcola | 0:f1d3878b8dd9 | 302 | { |
vpcola | 0:f1d3878b8dd9 | 303 | /* The packet was transmitted successfully, but no ACK was received */ |
vpcola | 0:f1d3878b8dd9 | 304 | if (device_driver.phy_tx_done_cb) { |
vpcola | 0:f1d3878b8dd9 | 305 | device_driver.phy_tx_done_cb(rf_radio_driver_id, mac_tx_handle, PHY_LINK_TX_SUCCESS, 1, 1); |
vpcola | 0:f1d3878b8dd9 | 306 | } |
vpcola | 0:f1d3878b8dd9 | 307 | rf_receive(); |
vpcola | 0:f1d3878b8dd9 | 308 | } |
vpcola | 0:f1d3878b8dd9 | 309 | |
vpcola | 0:f1d3878b8dd9 | 310 | /* |
vpcola | 0:f1d3878b8dd9 | 311 | * \brief Function is a call back for calibration interval timer. |
vpcola | 0:f1d3878b8dd9 | 312 | * |
vpcola | 0:f1d3878b8dd9 | 313 | * \param none |
vpcola | 0:f1d3878b8dd9 | 314 | * |
vpcola | 0:f1d3878b8dd9 | 315 | * \return none |
vpcola | 0:f1d3878b8dd9 | 316 | */ |
vpcola | 0:f1d3878b8dd9 | 317 | static void rf_calibration_timer_interrupt(void) |
vpcola | 0:f1d3878b8dd9 | 318 | { |
vpcola | 0:f1d3878b8dd9 | 319 | } |
vpcola | 0:f1d3878b8dd9 | 320 | |
vpcola | 0:f1d3878b8dd9 | 321 | /* |
vpcola | 0:f1d3878b8dd9 | 322 | * \brief Function is a call back for cca interval timer. |
vpcola | 0:f1d3878b8dd9 | 323 | * |
vpcola | 0:f1d3878b8dd9 | 324 | * \param none |
vpcola | 0:f1d3878b8dd9 | 325 | * |
vpcola | 0:f1d3878b8dd9 | 326 | * \return none |
vpcola | 0:f1d3878b8dd9 | 327 | */ |
vpcola | 0:f1d3878b8dd9 | 328 | static void rf_cca_timer_interrupt(void) |
vpcola | 0:f1d3878b8dd9 | 329 | { |
vpcola | 0:f1d3878b8dd9 | 330 | /* CCA time-out handled by Hardware */ |
vpcola | 0:f1d3878b8dd9 | 331 | } |
vpcola | 0:f1d3878b8dd9 | 332 | |
vpcola | 0:f1d3878b8dd9 | 333 | |
vpcola | 0:f1d3878b8dd9 | 334 | /* |
vpcola | 0:f1d3878b8dd9 | 335 | * \brief Function starts the ACK wait time-out. |
vpcola | 0:f1d3878b8dd9 | 336 | * |
vpcola | 0:f1d3878b8dd9 | 337 | * \param slots The ACK wait time-out in [symbols] |
vpcola | 0:f1d3878b8dd9 | 338 | * |
vpcola | 0:f1d3878b8dd9 | 339 | * \return none |
vpcola | 0:f1d3878b8dd9 | 340 | */ |
vpcola | 0:f1d3878b8dd9 | 341 | static void rf_ack_wait_timer_start(uint16_t time) |
vpcola | 0:f1d3878b8dd9 | 342 | { |
vpcola | 0:f1d3878b8dd9 | 343 | uint32_t timeout; |
vpcola | 0:f1d3878b8dd9 | 344 | |
vpcola | 0:f1d3878b8dd9 | 345 | rf_get_timestamp(&timeout); |
vpcola | 0:f1d3878b8dd9 | 346 | timeout += time; |
vpcola | 0:f1d3878b8dd9 | 347 | rf_set_timeout(&timeout); |
vpcola | 0:f1d3878b8dd9 | 348 | } |
vpcola | 0:f1d3878b8dd9 | 349 | |
vpcola | 0:f1d3878b8dd9 | 350 | /* |
vpcola | 0:f1d3878b8dd9 | 351 | * \brief Function starts the calibration interval. |
vpcola | 0:f1d3878b8dd9 | 352 | * |
vpcola | 0:f1d3878b8dd9 | 353 | * \param slots Given slots, resolution 50us |
vpcola | 0:f1d3878b8dd9 | 354 | * |
vpcola | 0:f1d3878b8dd9 | 355 | * \return none |
vpcola | 0:f1d3878b8dd9 | 356 | */ |
vpcola | 0:f1d3878b8dd9 | 357 | static void rf_calibration_timer_start(uint32_t slots) |
vpcola | 0:f1d3878b8dd9 | 358 | { |
vpcola | 0:f1d3878b8dd9 | 359 | (void)slots; |
vpcola | 0:f1d3878b8dd9 | 360 | } |
vpcola | 0:f1d3878b8dd9 | 361 | |
vpcola | 0:f1d3878b8dd9 | 362 | /* |
vpcola | 0:f1d3878b8dd9 | 363 | * \brief Function starts the CCA timout. |
vpcola | 0:f1d3878b8dd9 | 364 | * |
vpcola | 0:f1d3878b8dd9 | 365 | * \param slots Given slots, resolution 50us |
vpcola | 0:f1d3878b8dd9 | 366 | * |
vpcola | 0:f1d3878b8dd9 | 367 | * \return none |
vpcola | 0:f1d3878b8dd9 | 368 | */ |
vpcola | 0:f1d3878b8dd9 | 369 | static void rf_cca_timer_start(uint32_t slots) |
vpcola | 0:f1d3878b8dd9 | 370 | { |
vpcola | 0:f1d3878b8dd9 | 371 | (void)slots; |
vpcola | 0:f1d3878b8dd9 | 372 | } |
vpcola | 0:f1d3878b8dd9 | 373 | |
vpcola | 0:f1d3878b8dd9 | 374 | /* |
vpcola | 0:f1d3878b8dd9 | 375 | * \brief Function stops the ACK wait timeout. |
vpcola | 0:f1d3878b8dd9 | 376 | * |
vpcola | 0:f1d3878b8dd9 | 377 | * \param none |
vpcola | 0:f1d3878b8dd9 | 378 | * |
vpcola | 0:f1d3878b8dd9 | 379 | * \return none |
vpcola | 0:f1d3878b8dd9 | 380 | */ |
vpcola | 0:f1d3878b8dd9 | 381 | static void rf_ack_wait_timer_stop(void) |
vpcola | 0:f1d3878b8dd9 | 382 | { |
vpcola | 0:f1d3878b8dd9 | 383 | } |
vpcola | 0:f1d3878b8dd9 | 384 | |
vpcola | 0:f1d3878b8dd9 | 385 | /* |
vpcola | 0:f1d3878b8dd9 | 386 | * \brief Function reads the MAC address array. |
vpcola | 0:f1d3878b8dd9 | 387 | * |
vpcola | 0:f1d3878b8dd9 | 388 | * \param ptr Pointer to read array |
vpcola | 0:f1d3878b8dd9 | 389 | * |
vpcola | 0:f1d3878b8dd9 | 390 | * \return none |
vpcola | 0:f1d3878b8dd9 | 391 | */ |
vpcola | 0:f1d3878b8dd9 | 392 | static void rf_read_mac_address(uint8_t *ptr) |
vpcola | 0:f1d3878b8dd9 | 393 | { |
vpcola | 0:f1d3878b8dd9 | 394 | memcpy(ptr, MAC_address, 8); |
vpcola | 0:f1d3878b8dd9 | 395 | } |
vpcola | 0:f1d3878b8dd9 | 396 | |
vpcola | 0:f1d3878b8dd9 | 397 | /* |
vpcola | 0:f1d3878b8dd9 | 398 | * \brief Function sets the MAC address array. |
vpcola | 0:f1d3878b8dd9 | 399 | * |
vpcola | 0:f1d3878b8dd9 | 400 | * \param ptr Pointer to given MAC address array |
vpcola | 0:f1d3878b8dd9 | 401 | * |
vpcola | 0:f1d3878b8dd9 | 402 | * \return none |
vpcola | 0:f1d3878b8dd9 | 403 | */ |
vpcola | 0:f1d3878b8dd9 | 404 | static void rf_set_mac_address(const uint8_t *ptr) |
vpcola | 0:f1d3878b8dd9 | 405 | { |
vpcola | 0:f1d3878b8dd9 | 406 | memcpy(MAC_address, ptr, 8); |
vpcola | 0:f1d3878b8dd9 | 407 | } |
vpcola | 0:f1d3878b8dd9 | 408 | |
vpcola | 0:f1d3878b8dd9 | 409 | static uint16_t rf_get_phy_mtu_size(void) |
vpcola | 0:f1d3878b8dd9 | 410 | { |
vpcola | 0:f1d3878b8dd9 | 411 | return device_driver.phy_MTU; |
vpcola | 0:f1d3878b8dd9 | 412 | } |
vpcola | 0:f1d3878b8dd9 | 413 | |
vpcola | 0:f1d3878b8dd9 | 414 | /* |
vpcola | 0:f1d3878b8dd9 | 415 | * \brief Function writes 16-bit address in RF address filter. |
vpcola | 0:f1d3878b8dd9 | 416 | * |
vpcola | 0:f1d3878b8dd9 | 417 | * \param short_address Given short address |
vpcola | 0:f1d3878b8dd9 | 418 | * |
vpcola | 0:f1d3878b8dd9 | 419 | * \return none |
vpcola | 0:f1d3878b8dd9 | 420 | */ |
vpcola | 0:f1d3878b8dd9 | 421 | static void rf_set_short_adr(uint8_t * short_address) |
vpcola | 0:f1d3878b8dd9 | 422 | { |
vpcola | 0:f1d3878b8dd9 | 423 | /* Write one register at a time to be accessible from hibernate mode */ |
vpcola | 0:f1d3878b8dd9 | 424 | MCR20Drv_IndirectAccessSPIWrite(MACSHORTADDRS0_MSB, short_address[0]); |
vpcola | 0:f1d3878b8dd9 | 425 | MCR20Drv_IndirectAccessSPIWrite(MACSHORTADDRS0_LSB, short_address[1]); |
vpcola | 0:f1d3878b8dd9 | 426 | } |
vpcola | 0:f1d3878b8dd9 | 427 | |
vpcola | 0:f1d3878b8dd9 | 428 | /* |
vpcola | 0:f1d3878b8dd9 | 429 | * \brief Function writes PAN Id in RF PAN Id filter. |
vpcola | 0:f1d3878b8dd9 | 430 | * |
vpcola | 0:f1d3878b8dd9 | 431 | * \param pan_id Given PAN Id |
vpcola | 0:f1d3878b8dd9 | 432 | * |
vpcola | 0:f1d3878b8dd9 | 433 | * \return none |
vpcola | 0:f1d3878b8dd9 | 434 | */ |
vpcola | 0:f1d3878b8dd9 | 435 | static void rf_set_pan_id(uint8_t *pan_id) |
vpcola | 0:f1d3878b8dd9 | 436 | { |
vpcola | 0:f1d3878b8dd9 | 437 | /* Write one register at a time to be accessible from hibernate mode */ |
vpcola | 0:f1d3878b8dd9 | 438 | MCR20Drv_IndirectAccessSPIWrite(MACPANID0_MSB, pan_id[0]); |
vpcola | 0:f1d3878b8dd9 | 439 | MCR20Drv_IndirectAccessSPIWrite(MACPANID0_LSB, pan_id[1]); |
vpcola | 0:f1d3878b8dd9 | 440 | } |
vpcola | 0:f1d3878b8dd9 | 441 | |
vpcola | 0:f1d3878b8dd9 | 442 | /* |
vpcola | 0:f1d3878b8dd9 | 443 | * \brief Function writes 64-bit address in RF address filter. |
vpcola | 0:f1d3878b8dd9 | 444 | * |
vpcola | 0:f1d3878b8dd9 | 445 | * \param address Given 64-bit address |
vpcola | 0:f1d3878b8dd9 | 446 | * |
vpcola | 0:f1d3878b8dd9 | 447 | * \return none |
vpcola | 0:f1d3878b8dd9 | 448 | */ |
vpcola | 0:f1d3878b8dd9 | 449 | static void rf_set_address(uint8_t *address) |
vpcola | 0:f1d3878b8dd9 | 450 | { |
vpcola | 0:f1d3878b8dd9 | 451 | /* Write one register at a time to be accessible from hibernate mode */ |
vpcola | 0:f1d3878b8dd9 | 452 | MCR20Drv_IndirectAccessSPIWrite(MACLONGADDRS0_0, address[7]); |
vpcola | 0:f1d3878b8dd9 | 453 | MCR20Drv_IndirectAccessSPIWrite(MACLONGADDRS0_8, address[6]); |
vpcola | 0:f1d3878b8dd9 | 454 | MCR20Drv_IndirectAccessSPIWrite(MACLONGADDRS0_16, address[5]); |
vpcola | 0:f1d3878b8dd9 | 455 | MCR20Drv_IndirectAccessSPIWrite(MACLONGADDRS0_24, address[4]); |
vpcola | 0:f1d3878b8dd9 | 456 | MCR20Drv_IndirectAccessSPIWrite(MACLONGADDRS0_32, address[3]); |
vpcola | 0:f1d3878b8dd9 | 457 | MCR20Drv_IndirectAccessSPIWrite(MACLONGADDRS0_40, address[2]); |
vpcola | 0:f1d3878b8dd9 | 458 | MCR20Drv_IndirectAccessSPIWrite(MACLONGADDRS0_48, address[1]); |
vpcola | 0:f1d3878b8dd9 | 459 | MCR20Drv_IndirectAccessSPIWrite(MACLONGADDRS0_56, address[0]); |
vpcola | 0:f1d3878b8dd9 | 460 | } |
vpcola | 0:f1d3878b8dd9 | 461 | |
vpcola | 0:f1d3878b8dd9 | 462 | /* |
vpcola | 0:f1d3878b8dd9 | 463 | * \brief Function sets the RF channel. |
vpcola | 0:f1d3878b8dd9 | 464 | * |
vpcola | 0:f1d3878b8dd9 | 465 | * \param ch New channel |
vpcola | 0:f1d3878b8dd9 | 466 | * |
vpcola | 0:f1d3878b8dd9 | 467 | * \return none |
vpcola | 0:f1d3878b8dd9 | 468 | */ |
vpcola | 0:f1d3878b8dd9 | 469 | static void rf_channel_set(uint8_t channel) |
vpcola | 0:f1d3878b8dd9 | 470 | { |
vpcola | 0:f1d3878b8dd9 | 471 | rf_phy_channel = channel; |
vpcola | 0:f1d3878b8dd9 | 472 | MCR20Drv_DirectAccessSPIWrite(PLL_INT0, pll_int[channel - 11]); |
vpcola | 0:f1d3878b8dd9 | 473 | MCR20Drv_DirectAccessSPIMultiByteWrite(PLL_FRAC0_LSB, (uint8_t *) &pll_frac[channel - 11], 2); |
vpcola | 0:f1d3878b8dd9 | 474 | } |
vpcola | 0:f1d3878b8dd9 | 475 | |
vpcola | 0:f1d3878b8dd9 | 476 | |
vpcola | 0:f1d3878b8dd9 | 477 | /* |
vpcola | 0:f1d3878b8dd9 | 478 | * \brief Function initialises the radio driver and resets the radio. |
vpcola | 0:f1d3878b8dd9 | 479 | * |
vpcola | 0:f1d3878b8dd9 | 480 | * \param none |
vpcola | 0:f1d3878b8dd9 | 481 | * |
vpcola | 0:f1d3878b8dd9 | 482 | * \return none |
vpcola | 0:f1d3878b8dd9 | 483 | */ |
vpcola | 0:f1d3878b8dd9 | 484 | static void rf_init(void) |
vpcola | 0:f1d3878b8dd9 | 485 | { |
vpcola | 0:f1d3878b8dd9 | 486 | uint32_t index; |
vpcola | 0:f1d3878b8dd9 | 487 | mPhySeqState = gIdle_c; |
vpcola | 0:f1d3878b8dd9 | 488 | mPwrState = gXcvrPwrIdle_c; |
vpcola | 0:f1d3878b8dd9 | 489 | /*Reset RF module*/ |
vpcola | 0:f1d3878b8dd9 | 490 | MCR20Drv_RESET(); |
vpcola | 0:f1d3878b8dd9 | 491 | /* Initialize the transceiver SPI driver */ |
vpcola | 0:f1d3878b8dd9 | 492 | MCR20Drv_Init(); |
vpcola | 0:f1d3878b8dd9 | 493 | /* Disable Tristate on MISO for SPI reads */ |
vpcola | 0:f1d3878b8dd9 | 494 | MCR20Drv_IndirectAccessSPIWrite(MISC_PAD_CTRL, 0x02); |
vpcola | 0:f1d3878b8dd9 | 495 | /* Set XCVR clock output settings */ |
vpcola | 0:f1d3878b8dd9 | 496 | MCR20Drv_Set_CLK_OUT_Freq(gMCR20_ClkOutFreq_d); |
vpcola | 0:f1d3878b8dd9 | 497 | /* Set default XCVR power state */ |
vpcola | 0:f1d3878b8dd9 | 498 | rf_set_power_state(gXcvrRunState_d); |
vpcola | 0:f1d3878b8dd9 | 499 | |
vpcola | 0:f1d3878b8dd9 | 500 | /* PHY_CTRL1 default HW settings + AUTOACK enabled */ |
vpcola | 0:f1d3878b8dd9 | 501 | mStatusAndControlRegs[PHY_CTRL1] = cPHY_CTRL1_AUTOACK; |
vpcola | 0:f1d3878b8dd9 | 502 | /* PHY_CTRL2 : mask all PP interrupts */ |
vpcola | 0:f1d3878b8dd9 | 503 | mStatusAndControlRegs[PHY_CTRL2] = cPHY_CTRL2_CRC_MSK | \ |
vpcola | 0:f1d3878b8dd9 | 504 | cPHY_CTRL2_PLL_UNLOCK_MSK | \ |
vpcola | 0:f1d3878b8dd9 | 505 | /*cPHY_CTRL2_FILTERFAIL_MSK | */ \ |
vpcola | 0:f1d3878b8dd9 | 506 | cPHY_CTRL2_RX_WMRK_MSK | \ |
vpcola | 0:f1d3878b8dd9 | 507 | cPHY_CTRL2_CCAMSK | \ |
vpcola | 0:f1d3878b8dd9 | 508 | cPHY_CTRL2_RXMSK | \ |
vpcola | 0:f1d3878b8dd9 | 509 | cPHY_CTRL2_TXMSK | \ |
vpcola | 0:f1d3878b8dd9 | 510 | cPHY_CTRL2_SEQMSK; |
vpcola | 0:f1d3878b8dd9 | 511 | /* PHY_CTRL3 : enable timer 3 and disable remaining interrupts */ |
vpcola | 0:f1d3878b8dd9 | 512 | mStatusAndControlRegs[PHY_CTRL3] = cPHY_CTRL3_ASM_MSK | \ |
vpcola | 0:f1d3878b8dd9 | 513 | cPHY_CTRL3_PB_ERR_MSK | \ |
vpcola | 0:f1d3878b8dd9 | 514 | cPHY_CTRL3_WAKE_MSK | \ |
vpcola | 0:f1d3878b8dd9 | 515 | cPHY_CTRL3_TMR3CMP_EN; |
vpcola | 0:f1d3878b8dd9 | 516 | /* PHY_CTRL4 unmask global TRX interrupts, enable 16 bit mode for TC2 - TC2 prime EN */ |
vpcola | 0:f1d3878b8dd9 | 517 | mStatusAndControlRegs[PHY_CTRL4] = cPHY_CTRL4_TC2PRIME_EN | (gCcaCCA_MODE1_c << cPHY_CTRL4_CCATYPE_Shift_c); |
vpcola | 0:f1d3878b8dd9 | 518 | /* Clear all PP IRQ bits to avoid unexpected interrupts immediately after initialization */ |
vpcola | 0:f1d3878b8dd9 | 519 | mStatusAndControlRegs[IRQSTS1] = cIRQSTS1_PLL_UNLOCK_IRQ | \ |
vpcola | 0:f1d3878b8dd9 | 520 | cIRQSTS1_FILTERFAIL_IRQ | \ |
vpcola | 0:f1d3878b8dd9 | 521 | cIRQSTS1_RXWTRMRKIRQ | \ |
vpcola | 0:f1d3878b8dd9 | 522 | cIRQSTS1_CCAIRQ | \ |
vpcola | 0:f1d3878b8dd9 | 523 | cIRQSTS1_RXIRQ | \ |
vpcola | 0:f1d3878b8dd9 | 524 | cIRQSTS1_TXIRQ | \ |
vpcola | 0:f1d3878b8dd9 | 525 | cIRQSTS1_SEQIRQ; |
vpcola | 0:f1d3878b8dd9 | 526 | |
vpcola | 0:f1d3878b8dd9 | 527 | mStatusAndControlRegs[IRQSTS2] = cIRQSTS2_ASM_IRQ | cIRQSTS2_PB_ERR_IRQ | cIRQSTS2_WAKE_IRQ; |
vpcola | 0:f1d3878b8dd9 | 528 | /* Mask and clear all TMR IRQs */ |
vpcola | 0:f1d3878b8dd9 | 529 | mStatusAndControlRegs[IRQSTS3] = cIRQSTS3_TMR4MSK | cIRQSTS3_TMR3MSK | cIRQSTS3_TMR2MSK | cIRQSTS3_TMR1MSK | \ |
vpcola | 0:f1d3878b8dd9 | 530 | cIRQSTS3_TMR4IRQ | cIRQSTS3_TMR3IRQ | cIRQSTS3_TMR2IRQ | cIRQSTS3_TMR1IRQ; |
vpcola | 0:f1d3878b8dd9 | 531 | /* Write settings to XCVR */ |
vpcola | 0:f1d3878b8dd9 | 532 | MCR20Drv_DirectAccessSPIMultiByteWrite(PHY_CTRL1, &mStatusAndControlRegs[PHY_CTRL1], 5); |
vpcola | 0:f1d3878b8dd9 | 533 | /* Clear all interrupts */ |
vpcola | 0:f1d3878b8dd9 | 534 | MCR20Drv_DirectAccessSPIMultiByteWrite(IRQSTS1, &mStatusAndControlRegs[IRQSTS1], 3); |
vpcola | 0:f1d3878b8dd9 | 535 | |
vpcola | 0:f1d3878b8dd9 | 536 | /* RX_FRAME_FILTER. Accept FrameVersion 0 and 1 packets, reject all others */ |
vpcola | 0:f1d3878b8dd9 | 537 | MCR20Drv_IndirectAccessSPIWrite(RX_FRAME_FILTER, (cRX_FRAME_FLT_FRM_VER | \ |
vpcola | 0:f1d3878b8dd9 | 538 | cRX_FRAME_FLT_BEACON_FT | \ |
vpcola | 0:f1d3878b8dd9 | 539 | cRX_FRAME_FLT_DATA_FT | \ |
vpcola | 0:f1d3878b8dd9 | 540 | cRX_FRAME_FLT_CMD_FT )); |
vpcola | 0:f1d3878b8dd9 | 541 | /* Direct register overwrites */ |
vpcola | 0:f1d3878b8dd9 | 542 | for (index = 0; index < sizeof(overwrites_direct)/sizeof(overwrites_t); index++) |
vpcola | 0:f1d3878b8dd9 | 543 | MCR20Drv_DirectAccessSPIWrite(overwrites_direct[index].address, overwrites_direct[index].data); |
vpcola | 0:f1d3878b8dd9 | 544 | /* Indirect register overwrites */ |
vpcola | 0:f1d3878b8dd9 | 545 | for (index = 0; index < sizeof(overwrites_indirect)/sizeof(overwrites_t); index++) |
vpcola | 0:f1d3878b8dd9 | 546 | MCR20Drv_IndirectAccessSPIWrite(overwrites_indirect[index].address, overwrites_indirect[index].data); |
vpcola | 0:f1d3878b8dd9 | 547 | |
vpcola | 0:f1d3878b8dd9 | 548 | /* Set the CCA energy threshold value */ |
vpcola | 0:f1d3878b8dd9 | 549 | MCR20Drv_IndirectAccessSPIWrite(CCA1_THRESH, RF_CCA_THRESHOLD); |
vpcola | 0:f1d3878b8dd9 | 550 | /* Set prescaller to obtain 1 symbol (16us) timebase */ |
vpcola | 0:f1d3878b8dd9 | 551 | MCR20Drv_IndirectAccessSPIWrite(TMR_PRESCALE, 0x05); |
vpcola | 0:f1d3878b8dd9 | 552 | |
vpcola | 0:f1d3878b8dd9 | 553 | MCR20Drv_IRQ_Enable(); |
vpcola | 0:f1d3878b8dd9 | 554 | |
vpcola | 0:f1d3878b8dd9 | 555 | /*Read random variable. This will be used when seeding pseudo-random generator*/ |
vpcola | 0:f1d3878b8dd9 | 556 | rf_rnd = rf_if_read_rnd(); |
vpcola | 0:f1d3878b8dd9 | 557 | /*Read eui64*/ |
vpcola | 0:f1d3878b8dd9 | 558 | rf_mac64_read(MAC_address); |
vpcola | 0:f1d3878b8dd9 | 559 | /*set default channel to 11*/ |
vpcola | 0:f1d3878b8dd9 | 560 | rf_channel_set(11); |
vpcola | 0:f1d3878b8dd9 | 561 | /*Start receiver*/ |
vpcola | 0:f1d3878b8dd9 | 562 | rf_receive(); |
vpcola | 0:f1d3878b8dd9 | 563 | } |
vpcola | 0:f1d3878b8dd9 | 564 | |
vpcola | 0:f1d3878b8dd9 | 565 | /** |
vpcola | 0:f1d3878b8dd9 | 566 | * \brief Function gets called when MAC is setting radio off. |
vpcola | 0:f1d3878b8dd9 | 567 | * |
vpcola | 0:f1d3878b8dd9 | 568 | * \param none |
vpcola | 0:f1d3878b8dd9 | 569 | * |
vpcola | 0:f1d3878b8dd9 | 570 | * \return none |
vpcola | 0:f1d3878b8dd9 | 571 | */ |
vpcola | 0:f1d3878b8dd9 | 572 | static void rf_off(void) |
vpcola | 0:f1d3878b8dd9 | 573 | { |
vpcola | 0:f1d3878b8dd9 | 574 | /* Abort any ongoing sequences */ |
vpcola | 0:f1d3878b8dd9 | 575 | rf_abort(); |
vpcola | 0:f1d3878b8dd9 | 576 | /* Set XCVR in a low power state */ |
vpcola | 0:f1d3878b8dd9 | 577 | rf_set_power_state(gXcvrLowPowerState_d); |
vpcola | 0:f1d3878b8dd9 | 578 | } |
vpcola | 0:f1d3878b8dd9 | 579 | |
vpcola | 0:f1d3878b8dd9 | 580 | /* |
vpcola | 0:f1d3878b8dd9 | 581 | * \brief Function polls the RF state until it has changed to desired state. |
vpcola | 0:f1d3878b8dd9 | 582 | * |
vpcola | 0:f1d3878b8dd9 | 583 | * \param trx_state RF state |
vpcola | 0:f1d3878b8dd9 | 584 | * |
vpcola | 0:f1d3878b8dd9 | 585 | * \return none |
vpcola | 0:f1d3878b8dd9 | 586 | */ |
vpcola | 0:f1d3878b8dd9 | 587 | static void rf_poll_trx_state_change(rf_trx_states_t trx_state) |
vpcola | 0:f1d3878b8dd9 | 588 | { |
vpcola | 0:f1d3878b8dd9 | 589 | (void)trx_state; |
vpcola | 0:f1d3878b8dd9 | 590 | } |
vpcola | 0:f1d3878b8dd9 | 591 | |
vpcola | 0:f1d3878b8dd9 | 592 | /* |
vpcola | 0:f1d3878b8dd9 | 593 | * \brief Function starts the CCA process before starting data transmission and copies the data to RF TX FIFO. |
vpcola | 0:f1d3878b8dd9 | 594 | * |
vpcola | 0:f1d3878b8dd9 | 595 | * \param data_ptr Pointer to TX data |
vpcola | 0:f1d3878b8dd9 | 596 | * \param data_length Length of the TX data |
vpcola | 0:f1d3878b8dd9 | 597 | * \param tx_handle Handle to transmission |
vpcola | 0:f1d3878b8dd9 | 598 | * \return 0 Success |
vpcola | 0:f1d3878b8dd9 | 599 | * \return -1 Busy |
vpcola | 0:f1d3878b8dd9 | 600 | */ |
vpcola | 0:f1d3878b8dd9 | 601 | static int8_t rf_start_cca(uint8_t *data_ptr, uint16_t data_length, uint8_t tx_handle, data_protocol_e data_protocol ) |
vpcola | 0:f1d3878b8dd9 | 602 | { |
vpcola | 0:f1d3878b8dd9 | 603 | uint8_t ccaMode; |
vpcola | 0:f1d3878b8dd9 | 604 | |
vpcola | 0:f1d3878b8dd9 | 605 | /* Parameter validation */ |
vpcola | 0:f1d3878b8dd9 | 606 | if( !data_ptr || (data_length > 125) || (PHY_LAYER_PAYLOAD != data_protocol) ) |
vpcola | 0:f1d3878b8dd9 | 607 | { |
vpcola | 0:f1d3878b8dd9 | 608 | return -1; |
vpcola | 0:f1d3878b8dd9 | 609 | } |
vpcola | 0:f1d3878b8dd9 | 610 | |
vpcola | 0:f1d3878b8dd9 | 611 | if( mPhySeqState == gRX_c ) |
vpcola | 0:f1d3878b8dd9 | 612 | { |
vpcola | 0:f1d3878b8dd9 | 613 | uint8_t phyReg = MCR20Drv_DirectAccessSPIRead(SEQ_STATE) & 0x1F; |
vpcola | 0:f1d3878b8dd9 | 614 | /* Check for an Rx in progress. */ |
vpcola | 0:f1d3878b8dd9 | 615 | if((phyReg <= 0x06) || (phyReg == 0x15) || (phyReg == 0x16)) |
vpcola | 0:f1d3878b8dd9 | 616 | { |
vpcola | 0:f1d3878b8dd9 | 617 | if (device_driver.phy_tx_done_cb) { |
vpcola | 0:f1d3878b8dd9 | 618 | device_driver.phy_tx_done_cb(rf_radio_driver_id, mac_tx_handle, PHY_LINK_CCA_FAIL, 1, 1); |
vpcola | 0:f1d3878b8dd9 | 619 | } |
vpcola | 0:f1d3878b8dd9 | 620 | return -1; |
vpcola | 0:f1d3878b8dd9 | 621 | } |
vpcola | 0:f1d3878b8dd9 | 622 | rf_abort(); |
vpcola | 0:f1d3878b8dd9 | 623 | } |
vpcola | 0:f1d3878b8dd9 | 624 | |
vpcola | 0:f1d3878b8dd9 | 625 | /*Check if transmitter is busy*/ |
vpcola | 0:f1d3878b8dd9 | 626 | if( mPhySeqState != gIdle_c ) |
vpcola | 0:f1d3878b8dd9 | 627 | { |
vpcola | 0:f1d3878b8dd9 | 628 | /*Return busy*/ |
vpcola | 0:f1d3878b8dd9 | 629 | return -1; |
vpcola | 0:f1d3878b8dd9 | 630 | } |
vpcola | 0:f1d3878b8dd9 | 631 | |
vpcola | 0:f1d3878b8dd9 | 632 | /*Store TX handle*/ |
vpcola | 0:f1d3878b8dd9 | 633 | mac_tx_handle = tx_handle; |
vpcola | 0:f1d3878b8dd9 | 634 | /*Check if transmitted data needs to be acked*/ |
vpcola | 0:f1d3878b8dd9 | 635 | need_ack = (*data_ptr & 0x20) == 0x20; |
vpcola | 0:f1d3878b8dd9 | 636 | |
vpcola | 0:f1d3878b8dd9 | 637 | /* Set XCVR power state in run mode */ |
vpcola | 0:f1d3878b8dd9 | 638 | rf_set_power_state(gXcvrRunState_d); |
vpcola | 0:f1d3878b8dd9 | 639 | /* Load data into XCVR */ |
vpcola | 0:f1d3878b8dd9 | 640 | tx_len = data_length + 2; |
vpcola | 0:f1d3878b8dd9 | 641 | MCR20Drv_PB_SPIBurstWrite(data_ptr - 1, data_length + 1); |
vpcola | 0:f1d3878b8dd9 | 642 | MCR20Drv_PB_SPIByteWrite(0,tx_len); |
vpcola | 0:f1d3878b8dd9 | 643 | |
vpcola | 0:f1d3878b8dd9 | 644 | /* Set CCA mode 1 */ |
vpcola | 0:f1d3878b8dd9 | 645 | ccaMode = (mStatusAndControlRegs[PHY_CTRL4] >> cPHY_CTRL4_CCATYPE_Shift_c) & cPHY_CTRL4_CCATYPE; |
vpcola | 0:f1d3878b8dd9 | 646 | if( ccaMode != gCcaCCA_MODE1_c ) |
vpcola | 0:f1d3878b8dd9 | 647 | { |
vpcola | 0:f1d3878b8dd9 | 648 | mStatusAndControlRegs[PHY_CTRL4] &= ~(cPHY_CTRL4_CCATYPE << cPHY_CTRL4_CCATYPE_Shift_c); |
vpcola | 0:f1d3878b8dd9 | 649 | mStatusAndControlRegs[PHY_CTRL4] |= gCcaCCA_MODE1_c << cPHY_CTRL4_CCATYPE_Shift_c; |
vpcola | 0:f1d3878b8dd9 | 650 | MCR20Drv_DirectAccessSPIWrite(PHY_CTRL4, mStatusAndControlRegs[PHY_CTRL4]); |
vpcola | 0:f1d3878b8dd9 | 651 | } |
vpcola | 0:f1d3878b8dd9 | 652 | |
vpcola | 0:f1d3878b8dd9 | 653 | /* Read XCVR registers */ |
vpcola | 0:f1d3878b8dd9 | 654 | mStatusAndControlRegs[0] = MCR20Drv_DirectAccessSPIMultiByteRead(IRQSTS2, &mStatusAndControlRegs[1], 4); |
vpcola | 0:f1d3878b8dd9 | 655 | mStatusAndControlRegs[PHY_CTRL1] &= ~(cPHY_CTRL1_XCVSEQ); |
vpcola | 0:f1d3878b8dd9 | 656 | mStatusAndControlRegs[PHY_CTRL1] |= gCCA_c; |
vpcola | 0:f1d3878b8dd9 | 657 | mPhySeqState = gCCA_c; |
vpcola | 0:f1d3878b8dd9 | 658 | |
vpcola | 0:f1d3878b8dd9 | 659 | /* Ensure that no spurious interrupts are raised */ |
vpcola | 0:f1d3878b8dd9 | 660 | mStatusAndControlRegs[IRQSTS3] &= 0xF0; /* do not change other IRQ status */ |
vpcola | 0:f1d3878b8dd9 | 661 | mStatusAndControlRegs[IRQSTS3] |= (cIRQSTS3_TMR3MSK | cIRQSTS3_TMR3IRQ); |
vpcola | 0:f1d3878b8dd9 | 662 | MCR20Drv_DirectAccessSPIMultiByteWrite(IRQSTS1, mStatusAndControlRegs, 3); |
vpcola | 0:f1d3878b8dd9 | 663 | |
vpcola | 0:f1d3878b8dd9 | 664 | /* Write XCVR settings */ |
vpcola | 0:f1d3878b8dd9 | 665 | MCR20Drv_DirectAccessSPIWrite(PHY_CTRL1, mStatusAndControlRegs[PHY_CTRL1]); |
vpcola | 0:f1d3878b8dd9 | 666 | |
vpcola | 0:f1d3878b8dd9 | 667 | /* Unmask SEQ interrupt */ |
vpcola | 0:f1d3878b8dd9 | 668 | mStatusAndControlRegs[PHY_CTRL2] &= ~(cPHY_CTRL2_SEQMSK); |
vpcola | 0:f1d3878b8dd9 | 669 | MCR20Drv_DirectAccessSPIWrite(PHY_CTRL2, mStatusAndControlRegs[PHY_CTRL2]); |
vpcola | 0:f1d3878b8dd9 | 670 | |
vpcola | 0:f1d3878b8dd9 | 671 | /*Return success*/ |
vpcola | 0:f1d3878b8dd9 | 672 | return 0; |
vpcola | 0:f1d3878b8dd9 | 673 | } |
vpcola | 0:f1d3878b8dd9 | 674 | |
vpcola | 0:f1d3878b8dd9 | 675 | /* |
vpcola | 0:f1d3878b8dd9 | 676 | * \brief Function aborts CCA process. |
vpcola | 0:f1d3878b8dd9 | 677 | * |
vpcola | 0:f1d3878b8dd9 | 678 | * \param none |
vpcola | 0:f1d3878b8dd9 | 679 | * |
vpcola | 0:f1d3878b8dd9 | 680 | * \return none |
vpcola | 0:f1d3878b8dd9 | 681 | */ |
vpcola | 0:f1d3878b8dd9 | 682 | static void rf_cca_abort(void) |
vpcola | 0:f1d3878b8dd9 | 683 | { |
vpcola | 0:f1d3878b8dd9 | 684 | rf_abort(); |
vpcola | 0:f1d3878b8dd9 | 685 | } |
vpcola | 0:f1d3878b8dd9 | 686 | |
vpcola | 0:f1d3878b8dd9 | 687 | /* |
vpcola | 0:f1d3878b8dd9 | 688 | * \brief Function starts the transmission of the frame. Called from ISR context! |
vpcola | 0:f1d3878b8dd9 | 689 | * |
vpcola | 0:f1d3878b8dd9 | 690 | * \param none |
vpcola | 0:f1d3878b8dd9 | 691 | * |
vpcola | 0:f1d3878b8dd9 | 692 | * \return none |
vpcola | 0:f1d3878b8dd9 | 693 | */ |
vpcola | 0:f1d3878b8dd9 | 694 | static void rf_start_tx(void) |
vpcola | 0:f1d3878b8dd9 | 695 | { |
vpcola | 0:f1d3878b8dd9 | 696 | /* Perform TxRxAck sequence if required by phyTxMode */ |
vpcola | 0:f1d3878b8dd9 | 697 | if( need_ack ) |
vpcola | 0:f1d3878b8dd9 | 698 | { |
vpcola | 0:f1d3878b8dd9 | 699 | mStatusAndControlRegs[PHY_CTRL1] |= cPHY_CTRL1_RXACKRQD; |
vpcola | 0:f1d3878b8dd9 | 700 | mPhySeqState = gTR_c; |
vpcola | 0:f1d3878b8dd9 | 701 | } |
vpcola | 0:f1d3878b8dd9 | 702 | else |
vpcola | 0:f1d3878b8dd9 | 703 | { |
vpcola | 0:f1d3878b8dd9 | 704 | mStatusAndControlRegs[PHY_CTRL1] &= ~(cPHY_CTRL1_RXACKRQD); |
vpcola | 0:f1d3878b8dd9 | 705 | mPhySeqState = gTX_c; |
vpcola | 0:f1d3878b8dd9 | 706 | } |
vpcola | 0:f1d3878b8dd9 | 707 | |
vpcola | 0:f1d3878b8dd9 | 708 | mStatusAndControlRegs[PHY_CTRL1] &= ~(cPHY_CTRL1_XCVSEQ); |
vpcola | 0:f1d3878b8dd9 | 709 | mStatusAndControlRegs[PHY_CTRL1] |= mPhySeqState; |
vpcola | 0:f1d3878b8dd9 | 710 | |
vpcola | 0:f1d3878b8dd9 | 711 | /* Unmask SEQ interrupt */ |
vpcola | 0:f1d3878b8dd9 | 712 | mStatusAndControlRegs[PHY_CTRL2] &= ~(cPHY_CTRL2_SEQMSK); |
vpcola | 0:f1d3878b8dd9 | 713 | |
vpcola | 0:f1d3878b8dd9 | 714 | /* Start the sequence immediately */ |
vpcola | 0:f1d3878b8dd9 | 715 | MCR20Drv_DirectAccessSPIMultiByteWrite(PHY_CTRL1, &mStatusAndControlRegs[PHY_CTRL1], 2); |
vpcola | 0:f1d3878b8dd9 | 716 | |
vpcola | 0:f1d3878b8dd9 | 717 | if( need_ack ) |
vpcola | 0:f1d3878b8dd9 | 718 | { |
vpcola | 0:f1d3878b8dd9 | 719 | rf_ack_wait_timer_start(gPhyWarmUpTime_c + gPhySHRDuration_c + tx_len * gPhySymbolsPerOctet_c + gPhyAckWaitDuration_c); |
vpcola | 0:f1d3878b8dd9 | 720 | } |
vpcola | 0:f1d3878b8dd9 | 721 | } |
vpcola | 0:f1d3878b8dd9 | 722 | |
vpcola | 0:f1d3878b8dd9 | 723 | /* |
vpcola | 0:f1d3878b8dd9 | 724 | * \brief Function sets the RF in RX state. Called from ISR context! |
vpcola | 0:f1d3878b8dd9 | 725 | * |
vpcola | 0:f1d3878b8dd9 | 726 | * \param none |
vpcola | 0:f1d3878b8dd9 | 727 | * |
vpcola | 0:f1d3878b8dd9 | 728 | * \return none |
vpcola | 0:f1d3878b8dd9 | 729 | */ |
vpcola | 0:f1d3878b8dd9 | 730 | static void rf_receive(void) |
vpcola | 0:f1d3878b8dd9 | 731 | { |
vpcola | 0:f1d3878b8dd9 | 732 | uint8_t phyRegs[5]; |
vpcola | 0:f1d3878b8dd9 | 733 | |
vpcola | 0:f1d3878b8dd9 | 734 | /* RX can start only from Idle state */ |
vpcola | 0:f1d3878b8dd9 | 735 | if( mPhySeqState != gIdle_c ) |
vpcola | 0:f1d3878b8dd9 | 736 | { |
vpcola | 0:f1d3878b8dd9 | 737 | return; |
vpcola | 0:f1d3878b8dd9 | 738 | } |
vpcola | 0:f1d3878b8dd9 | 739 | |
vpcola | 0:f1d3878b8dd9 | 740 | /* Set XCVR power state in run mode */ |
vpcola | 0:f1d3878b8dd9 | 741 | rf_set_power_state(gXcvrRunState_d); |
vpcola | 0:f1d3878b8dd9 | 742 | /* read XVCR settings */ |
vpcola | 0:f1d3878b8dd9 | 743 | phyRegs[IRQSTS1] = MCR20Drv_DirectAccessSPIMultiByteRead(IRQSTS2, &phyRegs[IRQSTS2], 4); |
vpcola | 0:f1d3878b8dd9 | 744 | /* unmask SEQ interrupt */ |
vpcola | 0:f1d3878b8dd9 | 745 | phyRegs[PHY_CTRL2] &= ~(cPHY_CTRL2_SEQMSK); |
vpcola | 0:f1d3878b8dd9 | 746 | /* set XcvrSeq to RX */ |
vpcola | 0:f1d3878b8dd9 | 747 | phyRegs[PHY_CTRL1] &= ~(cPHY_CTRL1_XCVSEQ); |
vpcola | 0:f1d3878b8dd9 | 748 | phyRegs[PHY_CTRL1] |= gRX_c; |
vpcola | 0:f1d3878b8dd9 | 749 | mPhySeqState = gRX_c; |
vpcola | 0:f1d3878b8dd9 | 750 | /* Ensure that no spurious interrupts are raised */ |
vpcola | 0:f1d3878b8dd9 | 751 | phyRegs[IRQSTS3] &= 0xF0; /* do not change other IRQ status */ |
vpcola | 0:f1d3878b8dd9 | 752 | phyRegs[IRQSTS3] |= cIRQSTS3_TMR3MSK | cIRQSTS3_TMR3IRQ; |
vpcola | 0:f1d3878b8dd9 | 753 | /* sync settings with XCVR */ |
vpcola | 0:f1d3878b8dd9 | 754 | MCR20Drv_DirectAccessSPIMultiByteWrite(IRQSTS1, phyRegs, 5); |
vpcola | 0:f1d3878b8dd9 | 755 | } |
vpcola | 0:f1d3878b8dd9 | 756 | |
vpcola | 0:f1d3878b8dd9 | 757 | /* |
vpcola | 0:f1d3878b8dd9 | 758 | * \brief Function calibrates the radio. |
vpcola | 0:f1d3878b8dd9 | 759 | * |
vpcola | 0:f1d3878b8dd9 | 760 | * \param none |
vpcola | 0:f1d3878b8dd9 | 761 | * |
vpcola | 0:f1d3878b8dd9 | 762 | * \return none |
vpcola | 0:f1d3878b8dd9 | 763 | */ |
vpcola | 0:f1d3878b8dd9 | 764 | static void rf_calibration_cb(void) |
vpcola | 0:f1d3878b8dd9 | 765 | { |
vpcola | 0:f1d3878b8dd9 | 766 | } |
vpcola | 0:f1d3878b8dd9 | 767 | |
vpcola | 0:f1d3878b8dd9 | 768 | /* |
vpcola | 0:f1d3878b8dd9 | 769 | * \brief Function sets RF_ON flag when radio is powered. |
vpcola | 0:f1d3878b8dd9 | 770 | * |
vpcola | 0:f1d3878b8dd9 | 771 | * \param none |
vpcola | 0:f1d3878b8dd9 | 772 | * |
vpcola | 0:f1d3878b8dd9 | 773 | * \return none |
vpcola | 0:f1d3878b8dd9 | 774 | */ |
vpcola | 0:f1d3878b8dd9 | 775 | static void rf_on(void) |
vpcola | 0:f1d3878b8dd9 | 776 | { |
vpcola | 0:f1d3878b8dd9 | 777 | } |
vpcola | 0:f1d3878b8dd9 | 778 | |
vpcola | 0:f1d3878b8dd9 | 779 | /* |
vpcola | 0:f1d3878b8dd9 | 780 | * \brief Function is a call back for RX end interrupt. |
vpcola | 0:f1d3878b8dd9 | 781 | * |
vpcola | 0:f1d3878b8dd9 | 782 | * \param none |
vpcola | 0:f1d3878b8dd9 | 783 | * |
vpcola | 0:f1d3878b8dd9 | 784 | * \return none |
vpcola | 0:f1d3878b8dd9 | 785 | */ |
vpcola | 0:f1d3878b8dd9 | 786 | static void rf_handle_rx_end(void) |
vpcola | 0:f1d3878b8dd9 | 787 | { |
vpcola | 0:f1d3878b8dd9 | 788 | uint8_t rf_lqi = MCR20Drv_DirectAccessSPIRead(LQI_VALUE); |
vpcola | 0:f1d3878b8dd9 | 789 | int8_t rf_rssi = 0; |
vpcola | 0:f1d3878b8dd9 | 790 | uint8_t len = mStatusAndControlRegs[RX_FRM_LEN] - 2; |
vpcola | 0:f1d3878b8dd9 | 791 | |
vpcola | 0:f1d3878b8dd9 | 792 | |
vpcola | 0:f1d3878b8dd9 | 793 | /*Start receiver*/ |
vpcola | 0:f1d3878b8dd9 | 794 | rf_receive(); |
vpcola | 0:f1d3878b8dd9 | 795 | |
vpcola | 0:f1d3878b8dd9 | 796 | /*Check the length is valid*/ |
vpcola | 0:f1d3878b8dd9 | 797 | if(len > 1 && len < RF_BUFFER_SIZE) |
vpcola | 0:f1d3878b8dd9 | 798 | { |
vpcola | 0:f1d3878b8dd9 | 799 | rf_lqi = rf_convert_LQI(rf_lqi); |
vpcola | 0:f1d3878b8dd9 | 800 | rf_rssi = rf_convert_LQI_to_RSSI(rf_lqi); |
vpcola | 0:f1d3878b8dd9 | 801 | /*gcararu: Scale LQI using received RSSI, to match the LQI reported by the ATMEL radio */ |
vpcola | 0:f1d3878b8dd9 | 802 | rf_lqi = rf_scale_lqi(rf_rssi); |
vpcola | 0:f1d3878b8dd9 | 803 | |
vpcola | 0:f1d3878b8dd9 | 804 | /*Read received packet*/ |
vpcola | 0:f1d3878b8dd9 | 805 | MCR20Drv_PB_SPIBurstRead(rf_buffer, len); |
vpcola | 0:f1d3878b8dd9 | 806 | if (device_driver.phy_rx_cb) { |
vpcola | 0:f1d3878b8dd9 | 807 | device_driver.phy_rx_cb(rf_buffer, len, rf_lqi, rf_rssi, rf_radio_driver_id); |
vpcola | 0:f1d3878b8dd9 | 808 | } |
vpcola | 0:f1d3878b8dd9 | 809 | } |
vpcola | 0:f1d3878b8dd9 | 810 | } |
vpcola | 0:f1d3878b8dd9 | 811 | |
vpcola | 0:f1d3878b8dd9 | 812 | /* |
vpcola | 0:f1d3878b8dd9 | 813 | * \brief Function is called when MAC is shutting down the radio. |
vpcola | 0:f1d3878b8dd9 | 814 | * |
vpcola | 0:f1d3878b8dd9 | 815 | * \param none |
vpcola | 0:f1d3878b8dd9 | 816 | * |
vpcola | 0:f1d3878b8dd9 | 817 | * \return none |
vpcola | 0:f1d3878b8dd9 | 818 | */ |
vpcola | 0:f1d3878b8dd9 | 819 | static void rf_shutdown(void) |
vpcola | 0:f1d3878b8dd9 | 820 | { |
vpcola | 0:f1d3878b8dd9 | 821 | /*Call RF OFF*/ |
vpcola | 0:f1d3878b8dd9 | 822 | rf_off(); |
vpcola | 0:f1d3878b8dd9 | 823 | } |
vpcola | 0:f1d3878b8dd9 | 824 | |
vpcola | 0:f1d3878b8dd9 | 825 | /* |
vpcola | 0:f1d3878b8dd9 | 826 | * \brief Function is a call back for TX end interrupt. |
vpcola | 0:f1d3878b8dd9 | 827 | * |
vpcola | 0:f1d3878b8dd9 | 828 | * \param none |
vpcola | 0:f1d3878b8dd9 | 829 | * |
vpcola | 0:f1d3878b8dd9 | 830 | * \return none |
vpcola | 0:f1d3878b8dd9 | 831 | */ |
vpcola | 0:f1d3878b8dd9 | 832 | static void rf_handle_tx_end(void) |
vpcola | 0:f1d3878b8dd9 | 833 | { |
vpcola | 0:f1d3878b8dd9 | 834 | uint8_t rx_frame_pending = mStatusAndControlRegs[IRQSTS1] & cIRQSTS1_RX_FRM_PEND; |
vpcola | 0:f1d3878b8dd9 | 835 | |
vpcola | 0:f1d3878b8dd9 | 836 | /*Start receiver*/ |
vpcola | 0:f1d3878b8dd9 | 837 | rf_receive(); |
vpcola | 0:f1d3878b8dd9 | 838 | |
vpcola | 0:f1d3878b8dd9 | 839 | if (!device_driver.phy_tx_done_cb) { |
vpcola | 0:f1d3878b8dd9 | 840 | return; |
vpcola | 0:f1d3878b8dd9 | 841 | } |
vpcola | 0:f1d3878b8dd9 | 842 | |
vpcola | 0:f1d3878b8dd9 | 843 | /*Call PHY TX Done API*/ |
vpcola | 0:f1d3878b8dd9 | 844 | if( need_ack ) |
vpcola | 0:f1d3878b8dd9 | 845 | { |
vpcola | 0:f1d3878b8dd9 | 846 | if( rx_frame_pending ) |
vpcola | 0:f1d3878b8dd9 | 847 | { |
vpcola | 0:f1d3878b8dd9 | 848 | device_driver.phy_tx_done_cb(rf_radio_driver_id, mac_tx_handle, PHY_LINK_TX_DONE_PENDING, 1, 1); |
vpcola | 0:f1d3878b8dd9 | 849 | } |
vpcola | 0:f1d3878b8dd9 | 850 | else |
vpcola | 0:f1d3878b8dd9 | 851 | { |
vpcola | 0:f1d3878b8dd9 | 852 | // arm_net_phy_tx_done(rf_radio_driver_id, mac_tx_handle, PHY_LINK_TX_SUCCESS, 1, 1); |
vpcola | 0:f1d3878b8dd9 | 853 | device_driver.phy_tx_done_cb(rf_radio_driver_id, mac_tx_handle, PHY_LINK_TX_DONE, 1, 1); |
vpcola | 0:f1d3878b8dd9 | 854 | } |
vpcola | 0:f1d3878b8dd9 | 855 | } |
vpcola | 0:f1d3878b8dd9 | 856 | else |
vpcola | 0:f1d3878b8dd9 | 857 | { |
vpcola | 0:f1d3878b8dd9 | 858 | device_driver.phy_tx_done_cb(rf_radio_driver_id, mac_tx_handle, PHY_LINK_TX_SUCCESS, 1, 1); |
vpcola | 0:f1d3878b8dd9 | 859 | } |
vpcola | 0:f1d3878b8dd9 | 860 | } |
vpcola | 0:f1d3878b8dd9 | 861 | |
vpcola | 0:f1d3878b8dd9 | 862 | /* |
vpcola | 0:f1d3878b8dd9 | 863 | * \brief Function is a call back for CCA ED done interrupt. |
vpcola | 0:f1d3878b8dd9 | 864 | * |
vpcola | 0:f1d3878b8dd9 | 865 | * \param none |
vpcola | 0:f1d3878b8dd9 | 866 | * |
vpcola | 0:f1d3878b8dd9 | 867 | * \return none |
vpcola | 0:f1d3878b8dd9 | 868 | */ |
vpcola | 0:f1d3878b8dd9 | 869 | static void rf_handle_cca_ed_done(void) |
vpcola | 0:f1d3878b8dd9 | 870 | { |
vpcola | 0:f1d3878b8dd9 | 871 | /*Check the result of CCA process*/ |
vpcola | 0:f1d3878b8dd9 | 872 | if( !(mStatusAndControlRegs[IRQSTS2] & cIRQSTS2_CCA) ) |
vpcola | 0:f1d3878b8dd9 | 873 | { |
vpcola | 0:f1d3878b8dd9 | 874 | rf_start_tx(); |
vpcola | 0:f1d3878b8dd9 | 875 | } |
vpcola | 0:f1d3878b8dd9 | 876 | else if (device_driver.phy_tx_done_cb) |
vpcola | 0:f1d3878b8dd9 | 877 | { |
vpcola | 0:f1d3878b8dd9 | 878 | /*Send CCA fail notification*/ |
vpcola | 0:f1d3878b8dd9 | 879 | device_driver.phy_tx_done_cb(rf_radio_driver_id, mac_tx_handle, PHY_LINK_CCA_FAIL, 1, 1); |
vpcola | 0:f1d3878b8dd9 | 880 | } |
vpcola | 0:f1d3878b8dd9 | 881 | } |
vpcola | 0:f1d3878b8dd9 | 882 | |
vpcola | 0:f1d3878b8dd9 | 883 | /* |
vpcola | 0:f1d3878b8dd9 | 884 | * \brief Function sets the TX power variable. |
vpcola | 0:f1d3878b8dd9 | 885 | * |
vpcola | 0:f1d3878b8dd9 | 886 | * \param power TX power setting |
vpcola | 0:f1d3878b8dd9 | 887 | * |
vpcola | 0:f1d3878b8dd9 | 888 | * \return 0 Success |
vpcola | 0:f1d3878b8dd9 | 889 | * \return -1 Fail |
vpcola | 0:f1d3878b8dd9 | 890 | */ |
vpcola | 0:f1d3878b8dd9 | 891 | static int8_t rf_tx_power_set(uint8_t power) |
vpcola | 0:f1d3878b8dd9 | 892 | { |
vpcola | 0:f1d3878b8dd9 | 893 | /* gcapraru: Map MCR20A Tx power levels over ATMEL values */ |
vpcola | 0:f1d3878b8dd9 | 894 | static uint8_t pwrLevelMapping[16] = {25,25,25,24,24,24,23,23,22,22,21,20,19,18,17,14}; |
vpcola | 0:f1d3878b8dd9 | 895 | |
vpcola | 0:f1d3878b8dd9 | 896 | if( power > 15 ) |
vpcola | 0:f1d3878b8dd9 | 897 | { |
vpcola | 0:f1d3878b8dd9 | 898 | return -1; |
vpcola | 0:f1d3878b8dd9 | 899 | } |
vpcola | 0:f1d3878b8dd9 | 900 | |
vpcola | 0:f1d3878b8dd9 | 901 | radio_tx_power = power; |
vpcola | 0:f1d3878b8dd9 | 902 | MCR20Drv_DirectAccessSPIWrite(PA_PWR, pwrLevelMapping[power]); |
vpcola | 0:f1d3878b8dd9 | 903 | return 0; |
vpcola | 0:f1d3878b8dd9 | 904 | } |
vpcola | 0:f1d3878b8dd9 | 905 | |
vpcola | 0:f1d3878b8dd9 | 906 | /* |
vpcola | 0:f1d3878b8dd9 | 907 | * \brief Function returns the TX power variable. |
vpcola | 0:f1d3878b8dd9 | 908 | * |
vpcola | 0:f1d3878b8dd9 | 909 | * \param none |
vpcola | 0:f1d3878b8dd9 | 910 | * |
vpcola | 0:f1d3878b8dd9 | 911 | * \return radio_tx_power TX power variable |
vpcola | 0:f1d3878b8dd9 | 912 | */ |
vpcola | 0:f1d3878b8dd9 | 913 | static uint8_t rf_tx_power_get(void) |
vpcola | 0:f1d3878b8dd9 | 914 | { |
vpcola | 0:f1d3878b8dd9 | 915 | return radio_tx_power; |
vpcola | 0:f1d3878b8dd9 | 916 | } |
vpcola | 0:f1d3878b8dd9 | 917 | |
vpcola | 0:f1d3878b8dd9 | 918 | /* |
vpcola | 0:f1d3878b8dd9 | 919 | * \brief Function enables the usage of Antenna diversity. |
vpcola | 0:f1d3878b8dd9 | 920 | * |
vpcola | 0:f1d3878b8dd9 | 921 | * \param none |
vpcola | 0:f1d3878b8dd9 | 922 | * |
vpcola | 0:f1d3878b8dd9 | 923 | * \return 0 Success |
vpcola | 0:f1d3878b8dd9 | 924 | */ |
vpcola | 0:f1d3878b8dd9 | 925 | static int8_t rf_enable_antenna_diversity(void) |
vpcola | 0:f1d3878b8dd9 | 926 | { |
vpcola | 0:f1d3878b8dd9 | 927 | uint8_t phyReg; |
vpcola | 0:f1d3878b8dd9 | 928 | |
vpcola | 0:f1d3878b8dd9 | 929 | phyReg = MCR20Drv_IndirectAccessSPIRead(ANT_AGC_CTRL); |
vpcola | 0:f1d3878b8dd9 | 930 | phyReg |= cANT_AGC_CTRL_FAD_EN_Mask_c; |
vpcola | 0:f1d3878b8dd9 | 931 | MCR20Drv_IndirectAccessSPIWrite(ANT_AGC_CTRL, phyReg); |
vpcola | 0:f1d3878b8dd9 | 932 | |
vpcola | 0:f1d3878b8dd9 | 933 | phyReg = MCR20Drv_IndirectAccessSPIRead(ANT_PAD_CTRL); |
vpcola | 0:f1d3878b8dd9 | 934 | phyReg |= 0x02; |
vpcola | 0:f1d3878b8dd9 | 935 | MCR20Drv_IndirectAccessSPIWrite(ANT_PAD_CTRL, phyReg); |
vpcola | 0:f1d3878b8dd9 | 936 | |
vpcola | 0:f1d3878b8dd9 | 937 | return 0; |
vpcola | 0:f1d3878b8dd9 | 938 | } |
vpcola | 0:f1d3878b8dd9 | 939 | |
vpcola | 0:f1d3878b8dd9 | 940 | /* |
vpcola | 0:f1d3878b8dd9 | 941 | * \brief Function gives the control of RF states to MAC. |
vpcola | 0:f1d3878b8dd9 | 942 | * |
vpcola | 0:f1d3878b8dd9 | 943 | * \param new_state RF state |
vpcola | 0:f1d3878b8dd9 | 944 | * \param rf_channel RF channel |
vpcola | 0:f1d3878b8dd9 | 945 | * |
vpcola | 0:f1d3878b8dd9 | 946 | * \return 0 Success |
vpcola | 0:f1d3878b8dd9 | 947 | */ |
vpcola | 0:f1d3878b8dd9 | 948 | static int8_t rf_interface_state_control(phy_interface_state_e new_state, uint8_t rf_channel) |
vpcola | 0:f1d3878b8dd9 | 949 | { |
vpcola | 0:f1d3878b8dd9 | 950 | int8_t ret_val = 0; |
vpcola | 0:f1d3878b8dd9 | 951 | switch (new_state) |
vpcola | 0:f1d3878b8dd9 | 952 | { |
vpcola | 0:f1d3878b8dd9 | 953 | /*Reset PHY driver and set to idle*/ |
vpcola | 0:f1d3878b8dd9 | 954 | case PHY_INTERFACE_RESET: |
vpcola | 0:f1d3878b8dd9 | 955 | break; |
vpcola | 0:f1d3878b8dd9 | 956 | /*Disable PHY Interface driver*/ |
vpcola | 0:f1d3878b8dd9 | 957 | case PHY_INTERFACE_DOWN: |
vpcola | 0:f1d3878b8dd9 | 958 | rf_shutdown(); |
vpcola | 0:f1d3878b8dd9 | 959 | break; |
vpcola | 0:f1d3878b8dd9 | 960 | /*Enable PHY Interface driver*/ |
vpcola | 0:f1d3878b8dd9 | 961 | case PHY_INTERFACE_UP: |
vpcola | 0:f1d3878b8dd9 | 962 | rf_channel_set(rf_channel); |
vpcola | 0:f1d3878b8dd9 | 963 | rf_receive(); |
vpcola | 0:f1d3878b8dd9 | 964 | break; |
vpcola | 0:f1d3878b8dd9 | 965 | /*Enable wireless interface ED scan mode*/ |
vpcola | 0:f1d3878b8dd9 | 966 | case PHY_INTERFACE_RX_ENERGY_STATE: |
vpcola | 0:f1d3878b8dd9 | 967 | rf_abort(); |
vpcola | 0:f1d3878b8dd9 | 968 | rf_channel_set(rf_channel); |
vpcola | 0:f1d3878b8dd9 | 969 | break; |
vpcola | 0:f1d3878b8dd9 | 970 | case PHY_INTERFACE_SNIFFER_STATE: /**< Enable Sniffer state */ |
vpcola | 0:f1d3878b8dd9 | 971 | rf_promiscuous(1); |
vpcola | 0:f1d3878b8dd9 | 972 | rf_channel_set(rf_channel); |
vpcola | 0:f1d3878b8dd9 | 973 | rf_receive(); |
vpcola | 0:f1d3878b8dd9 | 974 | break; |
vpcola | 0:f1d3878b8dd9 | 975 | } |
vpcola | 0:f1d3878b8dd9 | 976 | return ret_val; |
vpcola | 0:f1d3878b8dd9 | 977 | } |
vpcola | 0:f1d3878b8dd9 | 978 | |
vpcola | 0:f1d3878b8dd9 | 979 | /* |
vpcola | 0:f1d3878b8dd9 | 980 | * \brief Function controls the ACK pending, channel setting and energy detection. |
vpcola | 0:f1d3878b8dd9 | 981 | * |
vpcola | 0:f1d3878b8dd9 | 982 | * \param extension_type Type of control |
vpcola | 0:f1d3878b8dd9 | 983 | * \param data_ptr Data from NET library |
vpcola | 0:f1d3878b8dd9 | 984 | * |
vpcola | 0:f1d3878b8dd9 | 985 | * \return 0 Success |
vpcola | 0:f1d3878b8dd9 | 986 | */ |
vpcola | 0:f1d3878b8dd9 | 987 | static int8_t rf_extension(phy_extension_type_e extension_type, uint8_t *data_ptr) |
vpcola | 0:f1d3878b8dd9 | 988 | { |
vpcola | 0:f1d3878b8dd9 | 989 | switch (extension_type) |
vpcola | 0:f1d3878b8dd9 | 990 | { |
vpcola | 0:f1d3878b8dd9 | 991 | /*Control MAC pending bit for Indirect data transmission*/ |
vpcola | 0:f1d3878b8dd9 | 992 | case PHY_EXTENSION_CTRL_PENDING_BIT: |
vpcola | 0:f1d3878b8dd9 | 993 | { |
vpcola | 0:f1d3878b8dd9 | 994 | uint8_t reg = MCR20Drv_DirectAccessSPIRead(SRC_CTRL); |
vpcola | 0:f1d3878b8dd9 | 995 | |
vpcola | 0:f1d3878b8dd9 | 996 | if(*data_ptr) |
vpcola | 0:f1d3878b8dd9 | 997 | { |
vpcola | 0:f1d3878b8dd9 | 998 | reg |= cSRC_CTRL_ACK_FRM_PND; |
vpcola | 0:f1d3878b8dd9 | 999 | } |
vpcola | 0:f1d3878b8dd9 | 1000 | else |
vpcola | 0:f1d3878b8dd9 | 1001 | { |
vpcola | 0:f1d3878b8dd9 | 1002 | reg &= ~cSRC_CTRL_ACK_FRM_PND; |
vpcola | 0:f1d3878b8dd9 | 1003 | } |
vpcola | 0:f1d3878b8dd9 | 1004 | |
vpcola | 0:f1d3878b8dd9 | 1005 | MCR20Drv_DirectAccessSPIWrite(SRC_CTRL, reg); |
vpcola | 0:f1d3878b8dd9 | 1006 | break; |
vpcola | 0:f1d3878b8dd9 | 1007 | |
vpcola | 0:f1d3878b8dd9 | 1008 | } |
vpcola | 0:f1d3878b8dd9 | 1009 | /*Return frame pending status*/ |
vpcola | 0:f1d3878b8dd9 | 1010 | case PHY_EXTENSION_READ_LAST_ACK_PENDING_STATUS: |
vpcola | 0:f1d3878b8dd9 | 1011 | *data_ptr = MCR20Drv_DirectAccessSPIRead(IRQSTS1 & cIRQSTS1_RX_FRM_PEND); |
vpcola | 0:f1d3878b8dd9 | 1012 | break; |
vpcola | 0:f1d3878b8dd9 | 1013 | /*Set channel*/ |
vpcola | 0:f1d3878b8dd9 | 1014 | case PHY_EXTENSION_SET_CHANNEL: |
vpcola | 0:f1d3878b8dd9 | 1015 | break; |
vpcola | 0:f1d3878b8dd9 | 1016 | /*Read energy on the channel*/ |
vpcola | 0:f1d3878b8dd9 | 1017 | case PHY_EXTENSION_READ_CHANNEL_ENERGY: |
vpcola | 0:f1d3878b8dd9 | 1018 | *data_ptr = rf_get_channel_energy(); |
vpcola | 0:f1d3878b8dd9 | 1019 | break; |
vpcola | 0:f1d3878b8dd9 | 1020 | /*Read status of the link*/ |
vpcola | 0:f1d3878b8dd9 | 1021 | case PHY_EXTENSION_READ_LINK_STATUS: |
vpcola | 0:f1d3878b8dd9 | 1022 | break; |
vpcola | 0:f1d3878b8dd9 | 1023 | case PHY_EXTENSION_CONVERT_SIGNAL_INFO: |
vpcola | 0:f1d3878b8dd9 | 1024 | break; |
vpcola | 0:f1d3878b8dd9 | 1025 | } |
vpcola | 0:f1d3878b8dd9 | 1026 | return 0; |
vpcola | 0:f1d3878b8dd9 | 1027 | } |
vpcola | 0:f1d3878b8dd9 | 1028 | |
vpcola | 0:f1d3878b8dd9 | 1029 | /* |
vpcola | 0:f1d3878b8dd9 | 1030 | * \brief Function sets the addresses to RF address filters. |
vpcola | 0:f1d3878b8dd9 | 1031 | * |
vpcola | 0:f1d3878b8dd9 | 1032 | * \param address_type Type of address |
vpcola | 0:f1d3878b8dd9 | 1033 | * \param address_ptr Pointer to given address |
vpcola | 0:f1d3878b8dd9 | 1034 | * |
vpcola | 0:f1d3878b8dd9 | 1035 | * \return 0 Success |
vpcola | 0:f1d3878b8dd9 | 1036 | */ |
vpcola | 0:f1d3878b8dd9 | 1037 | static int8_t rf_address_write(phy_address_type_e address_type, uint8_t *address_ptr) |
vpcola | 0:f1d3878b8dd9 | 1038 | { |
vpcola | 0:f1d3878b8dd9 | 1039 | int8_t ret_val = 0; |
vpcola | 0:f1d3878b8dd9 | 1040 | switch (address_type) |
vpcola | 0:f1d3878b8dd9 | 1041 | { |
vpcola | 0:f1d3878b8dd9 | 1042 | /*Set 48-bit address*/ |
vpcola | 0:f1d3878b8dd9 | 1043 | case PHY_MAC_48BIT: |
vpcola | 0:f1d3878b8dd9 | 1044 | break; |
vpcola | 0:f1d3878b8dd9 | 1045 | /*Set 64-bit address*/ |
vpcola | 0:f1d3878b8dd9 | 1046 | case PHY_MAC_64BIT: |
vpcola | 0:f1d3878b8dd9 | 1047 | rf_set_address(address_ptr); |
vpcola | 0:f1d3878b8dd9 | 1048 | break; |
vpcola | 0:f1d3878b8dd9 | 1049 | /*Set 16-bit address*/ |
vpcola | 0:f1d3878b8dd9 | 1050 | case PHY_MAC_16BIT: |
vpcola | 0:f1d3878b8dd9 | 1051 | rf_set_short_adr(address_ptr); |
vpcola | 0:f1d3878b8dd9 | 1052 | break; |
vpcola | 0:f1d3878b8dd9 | 1053 | /*Set PAN Id*/ |
vpcola | 0:f1d3878b8dd9 | 1054 | case PHY_MAC_PANID: |
vpcola | 0:f1d3878b8dd9 | 1055 | rf_set_pan_id(address_ptr); |
vpcola | 0:f1d3878b8dd9 | 1056 | break; |
vpcola | 0:f1d3878b8dd9 | 1057 | } |
vpcola | 0:f1d3878b8dd9 | 1058 | return ret_val; |
vpcola | 0:f1d3878b8dd9 | 1059 | } |
vpcola | 0:f1d3878b8dd9 | 1060 | |
vpcola | 0:f1d3878b8dd9 | 1061 | static void rf_mac64_read(uint8_t *address) |
vpcola | 0:f1d3878b8dd9 | 1062 | { |
vpcola | 0:f1d3878b8dd9 | 1063 | /* Write one register at a time to be accessible from hibernate mode */ |
vpcola | 0:f1d3878b8dd9 | 1064 | address[7] = MCR20Drv_DirectAccessSPIRead(MACLONGADDRS0_0); |
vpcola | 0:f1d3878b8dd9 | 1065 | address[6] = MCR20Drv_DirectAccessSPIRead(MACLONGADDRS0_8); |
vpcola | 0:f1d3878b8dd9 | 1066 | address[5] = MCR20Drv_DirectAccessSPIRead(MACLONGADDRS0_16); |
vpcola | 0:f1d3878b8dd9 | 1067 | address[4] = MCR20Drv_DirectAccessSPIRead(MACLONGADDRS0_24); |
vpcola | 0:f1d3878b8dd9 | 1068 | address[3] = MCR20Drv_DirectAccessSPIRead(MACLONGADDRS0_32); |
vpcola | 0:f1d3878b8dd9 | 1069 | address[2] = MCR20Drv_DirectAccessSPIRead(MACLONGADDRS0_40); |
vpcola | 0:f1d3878b8dd9 | 1070 | address[1] = MCR20Drv_DirectAccessSPIRead(MACLONGADDRS0_48); |
vpcola | 0:f1d3878b8dd9 | 1071 | address[0] = MCR20Drv_DirectAccessSPIRead(MACLONGADDRS0_56); |
vpcola | 0:f1d3878b8dd9 | 1072 | |
vpcola | 0:f1d3878b8dd9 | 1073 | } |
vpcola | 0:f1d3878b8dd9 | 1074 | |
vpcola | 0:f1d3878b8dd9 | 1075 | /* |
vpcola | 0:f1d3878b8dd9 | 1076 | * \brief Function initialises the ACK wait time and returns the used PHY mode. |
vpcola | 0:f1d3878b8dd9 | 1077 | * |
vpcola | 0:f1d3878b8dd9 | 1078 | * \param none |
vpcola | 0:f1d3878b8dd9 | 1079 | * |
vpcola | 0:f1d3878b8dd9 | 1080 | * \return tmp Used PHY mode |
vpcola | 0:f1d3878b8dd9 | 1081 | */ |
vpcola | 0:f1d3878b8dd9 | 1082 | static void rf_init_phy_mode(void) |
vpcola | 0:f1d3878b8dd9 | 1083 | { |
vpcola | 0:f1d3878b8dd9 | 1084 | } |
vpcola | 0:f1d3878b8dd9 | 1085 | |
vpcola | 0:f1d3878b8dd9 | 1086 | /* |
vpcola | 0:f1d3878b8dd9 | 1087 | * \brief Function is a RF interrupt vector. End of frame in RX and TX are handled here as well as CCA process interrupt. |
vpcola | 0:f1d3878b8dd9 | 1088 | * |
vpcola | 0:f1d3878b8dd9 | 1089 | * \param none |
vpcola | 0:f1d3878b8dd9 | 1090 | * |
vpcola | 0:f1d3878b8dd9 | 1091 | * \return none |
vpcola | 0:f1d3878b8dd9 | 1092 | */ |
vpcola | 0:f1d3878b8dd9 | 1093 | static void PHY_InterruptHandler(void) |
vpcola | 0:f1d3878b8dd9 | 1094 | { |
vpcola | 0:f1d3878b8dd9 | 1095 | uint8_t xcvseqCopy; |
vpcola | 0:f1d3878b8dd9 | 1096 | |
vpcola | 0:f1d3878b8dd9 | 1097 | /* Disable and clear transceiver(IRQ_B) interrupt */ |
vpcola | 0:f1d3878b8dd9 | 1098 | MCR20Drv_IRQ_Disable(); |
vpcola | 0:f1d3878b8dd9 | 1099 | //MCR20Drv_IRQ_Clear(); |
vpcola | 0:f1d3878b8dd9 | 1100 | |
vpcola | 0:f1d3878b8dd9 | 1101 | /* Read transceiver interrupt status and control registers */ |
vpcola | 0:f1d3878b8dd9 | 1102 | mStatusAndControlRegs[IRQSTS1] = |
vpcola | 0:f1d3878b8dd9 | 1103 | MCR20Drv_DirectAccessSPIMultiByteRead(IRQSTS2, &mStatusAndControlRegs[IRQSTS2], 7); |
vpcola | 0:f1d3878b8dd9 | 1104 | |
vpcola | 0:f1d3878b8dd9 | 1105 | xcvseqCopy = mStatusAndControlRegs[PHY_CTRL1] & cPHY_CTRL1_XCVSEQ; |
vpcola | 0:f1d3878b8dd9 | 1106 | |
vpcola | 0:f1d3878b8dd9 | 1107 | /* Flter Fail IRQ */ |
vpcola | 0:f1d3878b8dd9 | 1108 | if( (mStatusAndControlRegs[IRQSTS1] & cIRQSTS1_FILTERFAIL_IRQ) && |
vpcola | 0:f1d3878b8dd9 | 1109 | !(mStatusAndControlRegs[PHY_CTRL2] & cPHY_CTRL2_FILTERFAIL_MSK) ) |
vpcola | 0:f1d3878b8dd9 | 1110 | { |
vpcola | 0:f1d3878b8dd9 | 1111 | if( xcvseqCopy == gRX_c ) |
vpcola | 0:f1d3878b8dd9 | 1112 | { |
vpcola | 0:f1d3878b8dd9 | 1113 | /* Abort current SEQ */ |
vpcola | 0:f1d3878b8dd9 | 1114 | mStatusAndControlRegs[PHY_CTRL1] &= ~(cPHY_CTRL1_XCVSEQ); |
vpcola | 0:f1d3878b8dd9 | 1115 | MCR20Drv_DirectAccessSPIWrite(PHY_CTRL1, mStatusAndControlRegs[PHY_CTRL1]); |
vpcola | 0:f1d3878b8dd9 | 1116 | /* Wait for Sequence Idle */ |
vpcola | 0:f1d3878b8dd9 | 1117 | while ((MCR20Drv_DirectAccessSPIRead(SEQ_STATE) & 0x1F) != 0); |
vpcola | 0:f1d3878b8dd9 | 1118 | /* Clear IRQ flags: */ |
vpcola | 0:f1d3878b8dd9 | 1119 | MCR20Drv_DirectAccessSPIWrite(IRQSTS1, cIRQSTS1_SEQIRQ); |
vpcola | 0:f1d3878b8dd9 | 1120 | /* Restart Rx asap */ |
vpcola | 0:f1d3878b8dd9 | 1121 | mStatusAndControlRegs[PHY_CTRL1] |= gRX_c; |
vpcola | 0:f1d3878b8dd9 | 1122 | MCR20Drv_DirectAccessSPIWrite(PHY_CTRL1, mStatusAndControlRegs[PHY_CTRL1]); |
vpcola | 0:f1d3878b8dd9 | 1123 | } |
vpcola | 0:f1d3878b8dd9 | 1124 | } |
vpcola | 0:f1d3878b8dd9 | 1125 | |
vpcola | 0:f1d3878b8dd9 | 1126 | /* TMR3 IRQ: ACK wait time-out */ |
vpcola | 0:f1d3878b8dd9 | 1127 | if( (mStatusAndControlRegs[IRQSTS3] & cIRQSTS3_TMR3IRQ) && |
vpcola | 0:f1d3878b8dd9 | 1128 | !(mStatusAndControlRegs[IRQSTS3] & cIRQSTS3_TMR3MSK) ) |
vpcola | 0:f1d3878b8dd9 | 1129 | { |
vpcola | 0:f1d3878b8dd9 | 1130 | /* Disable TMR3 IRQ */ |
vpcola | 0:f1d3878b8dd9 | 1131 | mStatusAndControlRegs[IRQSTS3] |= cIRQSTS3_TMR3MSK; |
vpcola | 0:f1d3878b8dd9 | 1132 | |
vpcola | 0:f1d3878b8dd9 | 1133 | if( xcvseqCopy == gTR_c ) |
vpcola | 0:f1d3878b8dd9 | 1134 | { |
vpcola | 0:f1d3878b8dd9 | 1135 | /* Set XCVR to Idle */ |
vpcola | 0:f1d3878b8dd9 | 1136 | mPhySeqState = gIdle_c; |
vpcola | 0:f1d3878b8dd9 | 1137 | mStatusAndControlRegs[PHY_CTRL1] &= ~( cPHY_CTRL1_XCVSEQ ); |
vpcola | 0:f1d3878b8dd9 | 1138 | /* Mask interrupts */ |
vpcola | 0:f1d3878b8dd9 | 1139 | mStatusAndControlRegs[PHY_CTRL2] |= cPHY_CTRL2_CCAMSK | cPHY_CTRL2_RXMSK | cPHY_CTRL2_TXMSK | cPHY_CTRL2_SEQMSK; |
vpcola | 0:f1d3878b8dd9 | 1140 | /* Sync settings with XCVR */ |
vpcola | 0:f1d3878b8dd9 | 1141 | MCR20Drv_DirectAccessSPIMultiByteWrite(IRQSTS1, mStatusAndControlRegs, 5); |
vpcola | 0:f1d3878b8dd9 | 1142 | |
vpcola | 0:f1d3878b8dd9 | 1143 | rf_ack_wait_timer_interrupt(); |
vpcola | 0:f1d3878b8dd9 | 1144 | MCR20Drv_IRQ_Enable(); |
vpcola | 0:f1d3878b8dd9 | 1145 | return; |
vpcola | 0:f1d3878b8dd9 | 1146 | } |
vpcola | 0:f1d3878b8dd9 | 1147 | } |
vpcola | 0:f1d3878b8dd9 | 1148 | |
vpcola | 0:f1d3878b8dd9 | 1149 | /* Sequencer interrupt, the autosequence has completed */ |
vpcola | 0:f1d3878b8dd9 | 1150 | if( (mStatusAndControlRegs[IRQSTS1] & cIRQSTS1_SEQIRQ) && |
vpcola | 0:f1d3878b8dd9 | 1151 | !(mStatusAndControlRegs[PHY_CTRL2] & cPHY_CTRL2_SEQMSK) ) |
vpcola | 0:f1d3878b8dd9 | 1152 | { |
vpcola | 0:f1d3878b8dd9 | 1153 | /* Set XCVR to Idle */ |
vpcola | 0:f1d3878b8dd9 | 1154 | mPhySeqState = gIdle_c; |
vpcola | 0:f1d3878b8dd9 | 1155 | mStatusAndControlRegs[PHY_CTRL1] &= ~( cPHY_CTRL1_XCVSEQ ); |
vpcola | 0:f1d3878b8dd9 | 1156 | /* Mask interrupts */ |
vpcola | 0:f1d3878b8dd9 | 1157 | mStatusAndControlRegs[PHY_CTRL2] |= cPHY_CTRL2_CCAMSK | cPHY_CTRL2_RXMSK | cPHY_CTRL2_TXMSK | cPHY_CTRL2_SEQMSK; |
vpcola | 0:f1d3878b8dd9 | 1158 | /* Sync settings with XCVR */ |
vpcola | 0:f1d3878b8dd9 | 1159 | MCR20Drv_DirectAccessSPIMultiByteWrite(IRQSTS1, mStatusAndControlRegs, 5); |
vpcola | 0:f1d3878b8dd9 | 1160 | |
vpcola | 0:f1d3878b8dd9 | 1161 | /* PLL unlock, the autosequence has been aborted due to PLL unlock */ |
vpcola | 0:f1d3878b8dd9 | 1162 | if( mStatusAndControlRegs[IRQSTS1] & cIRQSTS1_PLL_UNLOCK_IRQ ) |
vpcola | 0:f1d3878b8dd9 | 1163 | { |
vpcola | 0:f1d3878b8dd9 | 1164 | if(xcvseqCopy == gRX_c) |
vpcola | 0:f1d3878b8dd9 | 1165 | { |
vpcola | 0:f1d3878b8dd9 | 1166 | rf_receive(); |
vpcola | 0:f1d3878b8dd9 | 1167 | } |
vpcola | 0:f1d3878b8dd9 | 1168 | MCR20Drv_IRQ_Enable(); |
vpcola | 0:f1d3878b8dd9 | 1169 | return; |
vpcola | 0:f1d3878b8dd9 | 1170 | } |
vpcola | 0:f1d3878b8dd9 | 1171 | |
vpcola | 0:f1d3878b8dd9 | 1172 | switch(xcvseqCopy) |
vpcola | 0:f1d3878b8dd9 | 1173 | { |
vpcola | 0:f1d3878b8dd9 | 1174 | case gTX_c: |
vpcola | 0:f1d3878b8dd9 | 1175 | case gTR_c: |
vpcola | 0:f1d3878b8dd9 | 1176 | rf_handle_tx_end(); |
vpcola | 0:f1d3878b8dd9 | 1177 | break; |
vpcola | 0:f1d3878b8dd9 | 1178 | |
vpcola | 0:f1d3878b8dd9 | 1179 | case gRX_c: |
vpcola | 0:f1d3878b8dd9 | 1180 | rf_handle_rx_end(); |
vpcola | 0:f1d3878b8dd9 | 1181 | break; |
vpcola | 0:f1d3878b8dd9 | 1182 | |
vpcola | 0:f1d3878b8dd9 | 1183 | case gCCA_c: |
vpcola | 0:f1d3878b8dd9 | 1184 | rf_handle_cca_ed_done(); |
vpcola | 0:f1d3878b8dd9 | 1185 | break; |
vpcola | 0:f1d3878b8dd9 | 1186 | |
vpcola | 0:f1d3878b8dd9 | 1187 | default: |
vpcola | 0:f1d3878b8dd9 | 1188 | break; |
vpcola | 0:f1d3878b8dd9 | 1189 | } |
vpcola | 0:f1d3878b8dd9 | 1190 | |
vpcola | 0:f1d3878b8dd9 | 1191 | MCR20Drv_IRQ_Enable(); |
vpcola | 0:f1d3878b8dd9 | 1192 | return; |
vpcola | 0:f1d3878b8dd9 | 1193 | } |
vpcola | 0:f1d3878b8dd9 | 1194 | /* Other IRQ. Clear XCVR interrupt flags */ |
vpcola | 0:f1d3878b8dd9 | 1195 | MCR20Drv_DirectAccessSPIMultiByteWrite(IRQSTS1, mStatusAndControlRegs, 3); |
vpcola | 0:f1d3878b8dd9 | 1196 | MCR20Drv_IRQ_Enable(); |
vpcola | 0:f1d3878b8dd9 | 1197 | } |
vpcola | 0:f1d3878b8dd9 | 1198 | |
vpcola | 0:f1d3878b8dd9 | 1199 | /* |
vpcola | 0:f1d3878b8dd9 | 1200 | * \brief Function forces the XCVR to Idle state. |
vpcola | 0:f1d3878b8dd9 | 1201 | * |
vpcola | 0:f1d3878b8dd9 | 1202 | * \param none |
vpcola | 0:f1d3878b8dd9 | 1203 | * |
vpcola | 0:f1d3878b8dd9 | 1204 | * \return none |
vpcola | 0:f1d3878b8dd9 | 1205 | */ |
vpcola | 0:f1d3878b8dd9 | 1206 | static void rf_abort(void) |
vpcola | 0:f1d3878b8dd9 | 1207 | { |
vpcola | 0:f1d3878b8dd9 | 1208 | /* Mask XCVR irq */ |
vpcola | 0:f1d3878b8dd9 | 1209 | MCR20Drv_IRQ_Disable(); |
vpcola | 0:f1d3878b8dd9 | 1210 | |
vpcola | 0:f1d3878b8dd9 | 1211 | mPhySeqState = gIdle_c; |
vpcola | 0:f1d3878b8dd9 | 1212 | |
vpcola | 0:f1d3878b8dd9 | 1213 | mStatusAndControlRegs[IRQSTS1] = MCR20Drv_DirectAccessSPIMultiByteRead(IRQSTS2, &mStatusAndControlRegs[IRQSTS2], 5); |
vpcola | 0:f1d3878b8dd9 | 1214 | |
vpcola | 0:f1d3878b8dd9 | 1215 | /* Mask SEQ interrupt */ |
vpcola | 0:f1d3878b8dd9 | 1216 | mStatusAndControlRegs[PHY_CTRL2] |= cPHY_CTRL2_SEQMSK; |
vpcola | 0:f1d3878b8dd9 | 1217 | MCR20Drv_DirectAccessSPIWrite(PHY_CTRL2, mStatusAndControlRegs[PHY_CTRL2]); |
vpcola | 0:f1d3878b8dd9 | 1218 | |
vpcola | 0:f1d3878b8dd9 | 1219 | if( (mStatusAndControlRegs[PHY_CTRL1] & cPHY_CTRL1_XCVSEQ) != gIdle_c ) |
vpcola | 0:f1d3878b8dd9 | 1220 | { |
vpcola | 0:f1d3878b8dd9 | 1221 | /* Abort current SEQ */ |
vpcola | 0:f1d3878b8dd9 | 1222 | mStatusAndControlRegs[PHY_CTRL1] &= ~(cPHY_CTRL1_XCVSEQ); |
vpcola | 0:f1d3878b8dd9 | 1223 | MCR20Drv_DirectAccessSPIWrite(PHY_CTRL1, mStatusAndControlRegs[PHY_CTRL1]); |
vpcola | 0:f1d3878b8dd9 | 1224 | |
vpcola | 0:f1d3878b8dd9 | 1225 | /* Wait for Sequence Idle (if not already) */ |
vpcola | 0:f1d3878b8dd9 | 1226 | while ((MCR20Drv_DirectAccessSPIRead(SEQ_STATE) & 0x1F) != 0); |
vpcola | 0:f1d3878b8dd9 | 1227 | //while ( !(MCR20Drv_DirectAccessSPIRead(IRQSTS1) & cIRQSTS1_SEQIRQ)); |
vpcola | 0:f1d3878b8dd9 | 1228 | mStatusAndControlRegs[IRQSTS1] |= cIRQSTS1_SEQIRQ; |
vpcola | 0:f1d3878b8dd9 | 1229 | } |
vpcola | 0:f1d3878b8dd9 | 1230 | |
vpcola | 0:f1d3878b8dd9 | 1231 | /* Clear all PP IRQ bits to avoid unexpected interrupts and mask TMR3 interrupt. |
vpcola | 0:f1d3878b8dd9 | 1232 | Do not change TMR IRQ status. */ |
vpcola | 0:f1d3878b8dd9 | 1233 | mStatusAndControlRegs[IRQSTS3] &= 0xF0; |
vpcola | 0:f1d3878b8dd9 | 1234 | mStatusAndControlRegs[IRQSTS3] |= (cIRQSTS3_TMR3MSK | cIRQSTS3_TMR3IRQ); |
vpcola | 0:f1d3878b8dd9 | 1235 | MCR20Drv_DirectAccessSPIMultiByteWrite(IRQSTS1, mStatusAndControlRegs, 3); |
vpcola | 0:f1d3878b8dd9 | 1236 | |
vpcola | 0:f1d3878b8dd9 | 1237 | /* Unmask XCVR irq */ |
vpcola | 0:f1d3878b8dd9 | 1238 | MCR20Drv_IRQ_Enable(); |
vpcola | 0:f1d3878b8dd9 | 1239 | } |
vpcola | 0:f1d3878b8dd9 | 1240 | |
vpcola | 0:f1d3878b8dd9 | 1241 | /* |
vpcola | 0:f1d3878b8dd9 | 1242 | * \brief Function reads a time-stamp value from XCVR [symbols] |
vpcola | 0:f1d3878b8dd9 | 1243 | * |
vpcola | 0:f1d3878b8dd9 | 1244 | * \param pEndTime pointer to location where time-stamp will be stored |
vpcola | 0:f1d3878b8dd9 | 1245 | * |
vpcola | 0:f1d3878b8dd9 | 1246 | * \return none |
vpcola | 0:f1d3878b8dd9 | 1247 | */ |
vpcola | 0:f1d3878b8dd9 | 1248 | static void rf_get_timestamp(uint32_t *pRetClk) |
vpcola | 0:f1d3878b8dd9 | 1249 | { |
vpcola | 0:f1d3878b8dd9 | 1250 | if(NULL == pRetClk) |
vpcola | 0:f1d3878b8dd9 | 1251 | { |
vpcola | 0:f1d3878b8dd9 | 1252 | return; |
vpcola | 0:f1d3878b8dd9 | 1253 | } |
vpcola | 0:f1d3878b8dd9 | 1254 | |
vpcola | 0:f1d3878b8dd9 | 1255 | platform_enter_critical(); |
vpcola | 0:f1d3878b8dd9 | 1256 | |
vpcola | 0:f1d3878b8dd9 | 1257 | *pRetClk = 0; |
vpcola | 0:f1d3878b8dd9 | 1258 | MCR20Drv_DirectAccessSPIMultiByteRead(EVENT_TMR_LSB, (uint8_t *) pRetClk, 3); |
vpcola | 0:f1d3878b8dd9 | 1259 | |
vpcola | 0:f1d3878b8dd9 | 1260 | platform_exit_critical(); |
vpcola | 0:f1d3878b8dd9 | 1261 | } |
vpcola | 0:f1d3878b8dd9 | 1262 | |
vpcola | 0:f1d3878b8dd9 | 1263 | /* |
vpcola | 0:f1d3878b8dd9 | 1264 | * \brief Function set a time-out to an XCVR sequence. |
vpcola | 0:f1d3878b8dd9 | 1265 | * |
vpcola | 0:f1d3878b8dd9 | 1266 | * \param pEndTime pointer to the sequence time-out value [symbols] |
vpcola | 0:f1d3878b8dd9 | 1267 | * |
vpcola | 0:f1d3878b8dd9 | 1268 | * \return none |
vpcola | 0:f1d3878b8dd9 | 1269 | */ |
vpcola | 0:f1d3878b8dd9 | 1270 | static void rf_set_timeout(uint32_t *pEndTime) |
vpcola | 0:f1d3878b8dd9 | 1271 | { |
vpcola | 0:f1d3878b8dd9 | 1272 | uint8_t phyReg; |
vpcola | 0:f1d3878b8dd9 | 1273 | |
vpcola | 0:f1d3878b8dd9 | 1274 | if(NULL == pEndTime) |
vpcola | 0:f1d3878b8dd9 | 1275 | { |
vpcola | 0:f1d3878b8dd9 | 1276 | return; |
vpcola | 0:f1d3878b8dd9 | 1277 | } |
vpcola | 0:f1d3878b8dd9 | 1278 | |
vpcola | 0:f1d3878b8dd9 | 1279 | platform_enter_critical(); |
vpcola | 0:f1d3878b8dd9 | 1280 | |
vpcola | 0:f1d3878b8dd9 | 1281 | phyReg = MCR20Drv_DirectAccessSPIRead(IRQSTS3); |
vpcola | 0:f1d3878b8dd9 | 1282 | phyReg &= 0xF0; /* do not change IRQ status */ |
vpcola | 0:f1d3878b8dd9 | 1283 | phyReg |= (cIRQSTS3_TMR3MSK); /* mask TMR3 interrupt */ |
vpcola | 0:f1d3878b8dd9 | 1284 | MCR20Drv_DirectAccessSPIWrite(IRQSTS3, phyReg); |
vpcola | 0:f1d3878b8dd9 | 1285 | |
vpcola | 0:f1d3878b8dd9 | 1286 | MCR20Drv_DirectAccessSPIMultiByteWrite(T3CMP_LSB, (uint8_t *) pEndTime, 3); |
vpcola | 0:f1d3878b8dd9 | 1287 | |
vpcola | 0:f1d3878b8dd9 | 1288 | phyReg &= ~(cIRQSTS3_TMR3MSK); /* unmask TMR3 interrupt */ |
vpcola | 0:f1d3878b8dd9 | 1289 | phyReg |= (cIRQSTS3_TMR3IRQ); /* aknowledge TMR3 IRQ */ |
vpcola | 0:f1d3878b8dd9 | 1290 | MCR20Drv_DirectAccessSPIWrite(IRQSTS3, phyReg); |
vpcola | 0:f1d3878b8dd9 | 1291 | |
vpcola | 0:f1d3878b8dd9 | 1292 | platform_exit_critical(); |
vpcola | 0:f1d3878b8dd9 | 1293 | } |
vpcola | 0:f1d3878b8dd9 | 1294 | |
vpcola | 0:f1d3878b8dd9 | 1295 | /* |
vpcola | 0:f1d3878b8dd9 | 1296 | * \brief Function reads a random number from RF. |
vpcola | 0:f1d3878b8dd9 | 1297 | * |
vpcola | 0:f1d3878b8dd9 | 1298 | * \param none |
vpcola | 0:f1d3878b8dd9 | 1299 | * |
vpcola | 0:f1d3878b8dd9 | 1300 | * \return 8-bit random number |
vpcola | 0:f1d3878b8dd9 | 1301 | */ |
vpcola | 0:f1d3878b8dd9 | 1302 | static uint8_t rf_if_read_rnd(void) |
vpcola | 0:f1d3878b8dd9 | 1303 | { |
vpcola | 0:f1d3878b8dd9 | 1304 | uint8_t phyReg; |
vpcola | 0:f1d3878b8dd9 | 1305 | |
vpcola | 0:f1d3878b8dd9 | 1306 | MCR20Drv_IRQ_Disable(); |
vpcola | 0:f1d3878b8dd9 | 1307 | /* Check if XCVR is idle */ |
vpcola | 0:f1d3878b8dd9 | 1308 | phyReg = MCR20Drv_DirectAccessSPIRead(PHY_CTRL1); |
vpcola | 0:f1d3878b8dd9 | 1309 | |
vpcola | 0:f1d3878b8dd9 | 1310 | if( (phyReg & cPHY_CTRL1_XCVSEQ) == gIdle_c ) |
vpcola | 0:f1d3878b8dd9 | 1311 | { |
vpcola | 0:f1d3878b8dd9 | 1312 | /* Program a new sequence */ |
vpcola | 0:f1d3878b8dd9 | 1313 | MCR20Drv_DirectAccessSPIWrite(PHY_CTRL1, phyReg | gCCA_c); |
vpcola | 0:f1d3878b8dd9 | 1314 | /* Wait for sequence to finish */ |
vpcola | 0:f1d3878b8dd9 | 1315 | while( !(MCR20Drv_DirectAccessSPIRead(IRQSTS1) & cIRQSTS1_SEQIRQ) ); |
vpcola | 0:f1d3878b8dd9 | 1316 | /* Clear interrupt flag */ |
vpcola | 0:f1d3878b8dd9 | 1317 | MCR20Drv_DirectAccessSPIWrite(IRQSTS1, cIRQSTS1_SEQIRQ); |
vpcola | 0:f1d3878b8dd9 | 1318 | } |
vpcola | 0:f1d3878b8dd9 | 1319 | |
vpcola | 0:f1d3878b8dd9 | 1320 | MCR20Drv_IRQ_Enable(); |
vpcola | 0:f1d3878b8dd9 | 1321 | |
vpcola | 0:f1d3878b8dd9 | 1322 | return MCR20Drv_IndirectAccessSPIRead(_RNG); |
vpcola | 0:f1d3878b8dd9 | 1323 | } |
vpcola | 0:f1d3878b8dd9 | 1324 | |
vpcola | 0:f1d3878b8dd9 | 1325 | /* |
vpcola | 0:f1d3878b8dd9 | 1326 | * \brief Function converts LQI into RSSI. |
vpcola | 0:f1d3878b8dd9 | 1327 | * |
vpcola | 0:f1d3878b8dd9 | 1328 | * \param LQI |
vpcola | 0:f1d3878b8dd9 | 1329 | * |
vpcola | 0:f1d3878b8dd9 | 1330 | * \return RSSI |
vpcola | 0:f1d3878b8dd9 | 1331 | */ |
vpcola | 0:f1d3878b8dd9 | 1332 | static int8_t rf_convert_LQI_to_RSSI(uint8_t lqi) |
vpcola | 0:f1d3878b8dd9 | 1333 | { |
vpcola | 0:f1d3878b8dd9 | 1334 | int32_t rssi = (50*lqi - 16820) / 163; |
vpcola | 0:f1d3878b8dd9 | 1335 | return (int8_t)rssi; |
vpcola | 0:f1d3878b8dd9 | 1336 | } |
vpcola | 0:f1d3878b8dd9 | 1337 | |
vpcola | 0:f1d3878b8dd9 | 1338 | /* |
vpcola | 0:f1d3878b8dd9 | 1339 | * \brief Function scale the LQI value reported by RF into a 0-255 value. |
vpcola | 0:f1d3878b8dd9 | 1340 | * |
vpcola | 0:f1d3878b8dd9 | 1341 | * \param hwLqi - the LQI value reported by RF |
vpcola | 0:f1d3878b8dd9 | 1342 | * |
vpcola | 0:f1d3878b8dd9 | 1343 | * \return scaled LQI |
vpcola | 0:f1d3878b8dd9 | 1344 | */ |
vpcola | 0:f1d3878b8dd9 | 1345 | static uint8_t rf_convert_LQI(uint8_t hwLqi) |
vpcola | 0:f1d3878b8dd9 | 1346 | { |
vpcola | 0:f1d3878b8dd9 | 1347 | uint32_t tmpLQI; |
vpcola | 0:f1d3878b8dd9 | 1348 | |
vpcola | 0:f1d3878b8dd9 | 1349 | /* LQI Saturation Level */ |
vpcola | 0:f1d3878b8dd9 | 1350 | if (hwLqi >= 230) |
vpcola | 0:f1d3878b8dd9 | 1351 | { |
vpcola | 0:f1d3878b8dd9 | 1352 | return 0xFF; |
vpcola | 0:f1d3878b8dd9 | 1353 | } |
vpcola | 0:f1d3878b8dd9 | 1354 | else if (hwLqi <= 9) |
vpcola | 0:f1d3878b8dd9 | 1355 | { |
vpcola | 0:f1d3878b8dd9 | 1356 | return 0; |
vpcola | 0:f1d3878b8dd9 | 1357 | } |
vpcola | 0:f1d3878b8dd9 | 1358 | else |
vpcola | 0:f1d3878b8dd9 | 1359 | { |
vpcola | 0:f1d3878b8dd9 | 1360 | /* Rescale the LQI values from min to saturation to the 0x00 - 0xFF range */ |
vpcola | 0:f1d3878b8dd9 | 1361 | /* The LQI value mst be multiplied by ~1.1087 */ |
vpcola | 0:f1d3878b8dd9 | 1362 | /* tmpLQI = hwLqi * 7123 ~= hwLqi * 65536 * 0.1087 = hwLqi * 2^16 * 0.1087*/ |
vpcola | 0:f1d3878b8dd9 | 1363 | tmpLQI = ((uint32_t)hwLqi * (uint32_t)7123 ); |
vpcola | 0:f1d3878b8dd9 | 1364 | /* tmpLQI = (tmpLQI / 2^16) + hwLqi */ |
vpcola | 0:f1d3878b8dd9 | 1365 | tmpLQI = (uint32_t)(tmpLQI >> 16) + (uint32_t)hwLqi; |
vpcola | 0:f1d3878b8dd9 | 1366 | |
vpcola | 0:f1d3878b8dd9 | 1367 | return (uint8_t)tmpLQI; |
vpcola | 0:f1d3878b8dd9 | 1368 | } |
vpcola | 0:f1d3878b8dd9 | 1369 | } |
vpcola | 0:f1d3878b8dd9 | 1370 | |
vpcola | 0:f1d3878b8dd9 | 1371 | /* |
vpcola | 0:f1d3878b8dd9 | 1372 | * \brief Function enables/disables Rx promiscuous mode. |
vpcola | 0:f1d3878b8dd9 | 1373 | * |
vpcola | 0:f1d3878b8dd9 | 1374 | * \param state of XCVR promiscuous mode |
vpcola | 0:f1d3878b8dd9 | 1375 | * |
vpcola | 0:f1d3878b8dd9 | 1376 | * \return none |
vpcola | 0:f1d3878b8dd9 | 1377 | */ |
vpcola | 0:f1d3878b8dd9 | 1378 | static void rf_promiscuous(uint8_t state) |
vpcola | 0:f1d3878b8dd9 | 1379 | { |
vpcola | 0:f1d3878b8dd9 | 1380 | uint8_t rxFrameFltReg, phyCtrl4Reg; |
vpcola | 0:f1d3878b8dd9 | 1381 | |
vpcola | 0:f1d3878b8dd9 | 1382 | rxFrameFltReg = MCR20Drv_IndirectAccessSPIRead(RX_FRAME_FILTER); |
vpcola | 0:f1d3878b8dd9 | 1383 | phyCtrl4Reg = MCR20Drv_DirectAccessSPIRead(PHY_CTRL4); |
vpcola | 0:f1d3878b8dd9 | 1384 | |
vpcola | 0:f1d3878b8dd9 | 1385 | if( state ) |
vpcola | 0:f1d3878b8dd9 | 1386 | { |
vpcola | 0:f1d3878b8dd9 | 1387 | /* FRM_VER[1:0] = b00. 00: Any FrameVersion accepted (0,1,2 & 3) */ |
vpcola | 0:f1d3878b8dd9 | 1388 | /* All frame types accepted*/ |
vpcola | 0:f1d3878b8dd9 | 1389 | phyCtrl4Reg |= cPHY_CTRL4_PROMISCUOUS; |
vpcola | 0:f1d3878b8dd9 | 1390 | rxFrameFltReg &= ~(cRX_FRAME_FLT_FRM_VER); |
vpcola | 0:f1d3878b8dd9 | 1391 | rxFrameFltReg |= (cRX_FRAME_FLT_ACK_FT | cRX_FRAME_FLT_NS_FT); |
vpcola | 0:f1d3878b8dd9 | 1392 | } |
vpcola | 0:f1d3878b8dd9 | 1393 | else |
vpcola | 0:f1d3878b8dd9 | 1394 | { |
vpcola | 0:f1d3878b8dd9 | 1395 | phyCtrl4Reg &= ~cPHY_CTRL4_PROMISCUOUS; |
vpcola | 0:f1d3878b8dd9 | 1396 | /* FRM_VER[1:0] = b11. Accept FrameVersion 0 and 1 packets, reject all others */ |
vpcola | 0:f1d3878b8dd9 | 1397 | /* Beacon, Data and MAC command frame types accepted */ |
vpcola | 0:f1d3878b8dd9 | 1398 | rxFrameFltReg &= ~(cRX_FRAME_FLT_FRM_VER); |
vpcola | 0:f1d3878b8dd9 | 1399 | rxFrameFltReg |= (0x03 << cRX_FRAME_FLT_FRM_VER_Shift_c); |
vpcola | 0:f1d3878b8dd9 | 1400 | rxFrameFltReg &= ~(cRX_FRAME_FLT_ACK_FT | cRX_FRAME_FLT_NS_FT); |
vpcola | 0:f1d3878b8dd9 | 1401 | } |
vpcola | 0:f1d3878b8dd9 | 1402 | |
vpcola | 0:f1d3878b8dd9 | 1403 | MCR20Drv_IndirectAccessSPIWrite(RX_FRAME_FILTER, rxFrameFltReg); |
vpcola | 0:f1d3878b8dd9 | 1404 | MCR20Drv_DirectAccessSPIWrite(PHY_CTRL4, phyCtrl4Reg); |
vpcola | 0:f1d3878b8dd9 | 1405 | } |
vpcola | 0:f1d3878b8dd9 | 1406 | |
vpcola | 0:f1d3878b8dd9 | 1407 | /* |
vpcola | 0:f1d3878b8dd9 | 1408 | * \brief Function used to switch XCVR power state. |
vpcola | 0:f1d3878b8dd9 | 1409 | * |
vpcola | 0:f1d3878b8dd9 | 1410 | * \param state The XCVR power mode |
vpcola | 0:f1d3878b8dd9 | 1411 | * |
vpcola | 0:f1d3878b8dd9 | 1412 | * \return none |
vpcola | 0:f1d3878b8dd9 | 1413 | */ |
vpcola | 0:f1d3878b8dd9 | 1414 | static void rf_set_power_state(xcvrPwrMode_t newState) |
vpcola | 0:f1d3878b8dd9 | 1415 | { |
vpcola | 0:f1d3878b8dd9 | 1416 | uint8_t pwrMode; |
vpcola | 0:f1d3878b8dd9 | 1417 | uint8_t xtalState; |
vpcola | 0:f1d3878b8dd9 | 1418 | |
vpcola | 0:f1d3878b8dd9 | 1419 | if( mPwrState == newState ) |
vpcola | 0:f1d3878b8dd9 | 1420 | { |
vpcola | 0:f1d3878b8dd9 | 1421 | return; |
vpcola | 0:f1d3878b8dd9 | 1422 | } |
vpcola | 0:f1d3878b8dd9 | 1423 | |
vpcola | 0:f1d3878b8dd9 | 1424 | /* Read power settings from RF */ |
vpcola | 0:f1d3878b8dd9 | 1425 | pwrMode = MCR20Drv_DirectAccessSPIRead(PWR_MODES); |
vpcola | 0:f1d3878b8dd9 | 1426 | xtalState = pwrMode & cPWR_MODES_XTALEN; |
vpcola | 0:f1d3878b8dd9 | 1427 | |
vpcola | 0:f1d3878b8dd9 | 1428 | switch( newState ) |
vpcola | 0:f1d3878b8dd9 | 1429 | { |
vpcola | 0:f1d3878b8dd9 | 1430 | case gXcvrPwrIdle_c: |
vpcola | 0:f1d3878b8dd9 | 1431 | pwrMode &= ~(cPWR_MODES_AUTODOZE); |
vpcola | 0:f1d3878b8dd9 | 1432 | pwrMode |= (cPWR_MODES_XTALEN | cPWR_MODES_PMC_MODE); |
vpcola | 0:f1d3878b8dd9 | 1433 | break; |
vpcola | 0:f1d3878b8dd9 | 1434 | case gXcvrPwrAutodoze_c: |
vpcola | 0:f1d3878b8dd9 | 1435 | pwrMode |= (cPWR_MODES_XTALEN | cPWR_MODES_AUTODOZE | cPWR_MODES_PMC_MODE); |
vpcola | 0:f1d3878b8dd9 | 1436 | break; |
vpcola | 0:f1d3878b8dd9 | 1437 | case gXcvrPwrDoze_c: |
vpcola | 0:f1d3878b8dd9 | 1438 | pwrMode &= ~(cPWR_MODES_AUTODOZE | cPWR_MODES_PMC_MODE); |
vpcola | 0:f1d3878b8dd9 | 1439 | pwrMode |= cPWR_MODES_XTALEN; |
vpcola | 0:f1d3878b8dd9 | 1440 | break; |
vpcola | 0:f1d3878b8dd9 | 1441 | case gXcvrPwrHibernate_c: |
vpcola | 0:f1d3878b8dd9 | 1442 | pwrMode &= ~(cPWR_MODES_XTALEN | cPWR_MODES_AUTODOZE | cPWR_MODES_PMC_MODE); |
vpcola | 0:f1d3878b8dd9 | 1443 | break; |
vpcola | 0:f1d3878b8dd9 | 1444 | default: |
vpcola | 0:f1d3878b8dd9 | 1445 | return; |
vpcola | 0:f1d3878b8dd9 | 1446 | } |
vpcola | 0:f1d3878b8dd9 | 1447 | |
vpcola | 0:f1d3878b8dd9 | 1448 | mPwrState = newState; |
vpcola | 0:f1d3878b8dd9 | 1449 | MCR20Drv_DirectAccessSPIWrite(PWR_MODES, pwrMode); |
vpcola | 0:f1d3878b8dd9 | 1450 | |
vpcola | 0:f1d3878b8dd9 | 1451 | if( !xtalState && (pwrMode & cPWR_MODES_XTALEN)) |
vpcola | 0:f1d3878b8dd9 | 1452 | { |
vpcola | 0:f1d3878b8dd9 | 1453 | /* wait for crystal oscillator to complet its warmup */ |
vpcola | 0:f1d3878b8dd9 | 1454 | while( ( MCR20Drv_DirectAccessSPIRead(PWR_MODES) & cPWR_MODES_XTAL_READY ) != cPWR_MODES_XTAL_READY); |
vpcola | 0:f1d3878b8dd9 | 1455 | /* wait for radio wakeup from hibernate interrupt */ |
vpcola | 0:f1d3878b8dd9 | 1456 | while( ( MCR20Drv_DirectAccessSPIRead(IRQSTS2) & (cIRQSTS2_WAKE_IRQ | cIRQSTS2_TMRSTATUS) ) != (cIRQSTS2_WAKE_IRQ | cIRQSTS2_TMRSTATUS) ); |
vpcola | 0:f1d3878b8dd9 | 1457 | |
vpcola | 0:f1d3878b8dd9 | 1458 | MCR20Drv_DirectAccessSPIWrite(IRQSTS2, cIRQSTS2_WAKE_IRQ); |
vpcola | 0:f1d3878b8dd9 | 1459 | } |
vpcola | 0:f1d3878b8dd9 | 1460 | } |
vpcola | 0:f1d3878b8dd9 | 1461 | |
vpcola | 0:f1d3878b8dd9 | 1462 | /* |
vpcola | 0:f1d3878b8dd9 | 1463 | * \brief Function reads the energy level on the preselected channel. |
vpcola | 0:f1d3878b8dd9 | 1464 | * |
vpcola | 0:f1d3878b8dd9 | 1465 | * \return energy level |
vpcola | 0:f1d3878b8dd9 | 1466 | */ |
vpcola | 0:f1d3878b8dd9 | 1467 | static uint8_t rf_get_channel_energy(void) |
vpcola | 0:f1d3878b8dd9 | 1468 | { |
vpcola | 0:f1d3878b8dd9 | 1469 | uint8_t ccaMode; |
vpcola | 0:f1d3878b8dd9 | 1470 | |
vpcola | 0:f1d3878b8dd9 | 1471 | MCR20Drv_IRQ_Disable(); |
vpcola | 0:f1d3878b8dd9 | 1472 | /* RX can start only from Idle state */ |
vpcola | 0:f1d3878b8dd9 | 1473 | if( mPhySeqState != gIdle_c ) |
vpcola | 0:f1d3878b8dd9 | 1474 | { |
vpcola | 0:f1d3878b8dd9 | 1475 | MCR20Drv_IRQ_Enable(); |
vpcola | 0:f1d3878b8dd9 | 1476 | return 0; |
vpcola | 0:f1d3878b8dd9 | 1477 | } |
vpcola | 0:f1d3878b8dd9 | 1478 | |
vpcola | 0:f1d3878b8dd9 | 1479 | /* Set XCVR power state in run mode */ |
vpcola | 0:f1d3878b8dd9 | 1480 | rf_set_power_state(gXcvrRunState_d); |
vpcola | 0:f1d3878b8dd9 | 1481 | |
vpcola | 0:f1d3878b8dd9 | 1482 | /* Switch to ED mode */ |
vpcola | 0:f1d3878b8dd9 | 1483 | ccaMode = (mStatusAndControlRegs[PHY_CTRL4] >> cPHY_CTRL4_CCATYPE_Shift_c) & cPHY_CTRL4_CCATYPE; |
vpcola | 0:f1d3878b8dd9 | 1484 | if( ccaMode != gCcaED_c ) |
vpcola | 0:f1d3878b8dd9 | 1485 | { |
vpcola | 0:f1d3878b8dd9 | 1486 | mStatusAndControlRegs[PHY_CTRL4] &= ~(cPHY_CTRL4_CCATYPE << cPHY_CTRL4_CCATYPE_Shift_c); |
vpcola | 0:f1d3878b8dd9 | 1487 | mStatusAndControlRegs[PHY_CTRL4] |= gCcaED_c << cPHY_CTRL4_CCATYPE_Shift_c; |
vpcola | 0:f1d3878b8dd9 | 1488 | MCR20Drv_DirectAccessSPIWrite(PHY_CTRL4, mStatusAndControlRegs[PHY_CTRL4]); |
vpcola | 0:f1d3878b8dd9 | 1489 | } |
vpcola | 0:f1d3878b8dd9 | 1490 | |
vpcola | 0:f1d3878b8dd9 | 1491 | /* Start ED sequence */ |
vpcola | 0:f1d3878b8dd9 | 1492 | mStatusAndControlRegs[PHY_CTRL1] |= gCCA_c; |
vpcola | 0:f1d3878b8dd9 | 1493 | MCR20Drv_DirectAccessSPIWrite(IRQSTS1, cIRQSTS1_CCAIRQ | cIRQSTS1_SEQIRQ); |
vpcola | 0:f1d3878b8dd9 | 1494 | MCR20Drv_DirectAccessSPIWrite(PHY_CTRL1, mStatusAndControlRegs[PHY_CTRL1]); |
vpcola | 0:f1d3878b8dd9 | 1495 | /* Wait for sequence to finish */ |
vpcola | 0:f1d3878b8dd9 | 1496 | while ( !(MCR20Drv_DirectAccessSPIRead(IRQSTS1) & cIRQSTS1_SEQIRQ)); |
vpcola | 0:f1d3878b8dd9 | 1497 | /* Set XCVR to Idle */ |
vpcola | 0:f1d3878b8dd9 | 1498 | mStatusAndControlRegs[PHY_CTRL1] &= ~(cPHY_CTRL1_XCVSEQ); |
vpcola | 0:f1d3878b8dd9 | 1499 | MCR20Drv_DirectAccessSPIWrite(PHY_CTRL1, mStatusAndControlRegs[PHY_CTRL1]); |
vpcola | 0:f1d3878b8dd9 | 1500 | MCR20Drv_DirectAccessSPIWrite(IRQSTS1, cIRQSTS1_CCAIRQ | cIRQSTS1_SEQIRQ); |
vpcola | 0:f1d3878b8dd9 | 1501 | |
vpcola | 0:f1d3878b8dd9 | 1502 | MCR20Drv_IRQ_Enable(); |
vpcola | 0:f1d3878b8dd9 | 1503 | |
vpcola | 0:f1d3878b8dd9 | 1504 | return rf_convert_energy_level(MCR20Drv_DirectAccessSPIRead(CCA1_ED_FNL)); |
vpcola | 0:f1d3878b8dd9 | 1505 | } |
vpcola | 0:f1d3878b8dd9 | 1506 | |
vpcola | 0:f1d3878b8dd9 | 1507 | /* |
vpcola | 0:f1d3878b8dd9 | 1508 | * \brief Function converts the energy level from dBm to a 0-255 value. |
vpcola | 0:f1d3878b8dd9 | 1509 | * |
vpcola | 0:f1d3878b8dd9 | 1510 | * \param energyLevel in dBm |
vpcola | 0:f1d3878b8dd9 | 1511 | * |
vpcola | 0:f1d3878b8dd9 | 1512 | * \return energy level (0-255) |
vpcola | 0:f1d3878b8dd9 | 1513 | */ |
vpcola | 0:f1d3878b8dd9 | 1514 | static uint8_t rf_convert_energy_level(uint8_t energyLevel) |
vpcola | 0:f1d3878b8dd9 | 1515 | { |
vpcola | 0:f1d3878b8dd9 | 1516 | if(energyLevel >= 90) |
vpcola | 0:f1d3878b8dd9 | 1517 | { |
vpcola | 0:f1d3878b8dd9 | 1518 | /* ED value is below minimum. Return 0x00. */ |
vpcola | 0:f1d3878b8dd9 | 1519 | energyLevel = 0x00; |
vpcola | 0:f1d3878b8dd9 | 1520 | } |
vpcola | 0:f1d3878b8dd9 | 1521 | else if(energyLevel <= 26) |
vpcola | 0:f1d3878b8dd9 | 1522 | { |
vpcola | 0:f1d3878b8dd9 | 1523 | /* ED value is above maximum. Return 0xFF. */ |
vpcola | 0:f1d3878b8dd9 | 1524 | energyLevel = 0xFF; |
vpcola | 0:f1d3878b8dd9 | 1525 | } |
vpcola | 0:f1d3878b8dd9 | 1526 | else |
vpcola | 0:f1d3878b8dd9 | 1527 | { |
vpcola | 0:f1d3878b8dd9 | 1528 | /* Energy level (-90 dBm to -26 dBm ) --> varies form 0 to 64 */ |
vpcola | 0:f1d3878b8dd9 | 1529 | energyLevel = (90 - energyLevel); |
vpcola | 0:f1d3878b8dd9 | 1530 | /* Rescale the energy level values to the 0x00-0xff range (0 to 64 translates in 0 to 255) */ |
vpcola | 0:f1d3878b8dd9 | 1531 | /* energyLevel * 3.9844 ~= 4 */ |
vpcola | 0:f1d3878b8dd9 | 1532 | /* Multiply with 4=2^2 by shifting left. |
vpcola | 0:f1d3878b8dd9 | 1533 | The multiplication will not overflow beacause energyLevel has values between 0 and 63 */ |
vpcola | 0:f1d3878b8dd9 | 1534 | energyLevel <<= 2; |
vpcola | 0:f1d3878b8dd9 | 1535 | } |
vpcola | 0:f1d3878b8dd9 | 1536 | |
vpcola | 0:f1d3878b8dd9 | 1537 | return energyLevel; |
vpcola | 0:f1d3878b8dd9 | 1538 | } |
vpcola | 0:f1d3878b8dd9 | 1539 | |
vpcola | 0:f1d3878b8dd9 | 1540 | static uint8_t rf_scale_lqi(int8_t rssi) |
vpcola | 0:f1d3878b8dd9 | 1541 | { |
vpcola | 0:f1d3878b8dd9 | 1542 | uint8_t scaled_lqi; |
vpcola | 0:f1d3878b8dd9 | 1543 | /*Worst case sensitivity*/ |
vpcola | 0:f1d3878b8dd9 | 1544 | const int8_t rf_sensitivity = -98; |
vpcola | 0:f1d3878b8dd9 | 1545 | |
vpcola | 0:f1d3878b8dd9 | 1546 | /*rssi < RF sensitivity*/ |
vpcola | 0:f1d3878b8dd9 | 1547 | if(rssi < rf_sensitivity) |
vpcola | 0:f1d3878b8dd9 | 1548 | scaled_lqi=0; |
vpcola | 0:f1d3878b8dd9 | 1549 | /*-91 dBm < rssi < -81 dBm (AT86RF233 XPro)*/ |
vpcola | 0:f1d3878b8dd9 | 1550 | /*-90 dBm < rssi < -80 dBm (AT86RF212B XPro)*/ |
vpcola | 0:f1d3878b8dd9 | 1551 | else if(rssi < (rf_sensitivity + 10)) |
vpcola | 0:f1d3878b8dd9 | 1552 | scaled_lqi=31; |
vpcola | 0:f1d3878b8dd9 | 1553 | /*-81 dBm < rssi < -71 dBm (AT86RF233 XPro)*/ |
vpcola | 0:f1d3878b8dd9 | 1554 | /*-80 dBm < rssi < -70 dBm (AT86RF212B XPro)*/ |
vpcola | 0:f1d3878b8dd9 | 1555 | else if(rssi < (rf_sensitivity + 20)) |
vpcola | 0:f1d3878b8dd9 | 1556 | scaled_lqi=207; |
vpcola | 0:f1d3878b8dd9 | 1557 | /*-71 dBm < rssi < -61 dBm (AT86RF233 XPro)*/ |
vpcola | 0:f1d3878b8dd9 | 1558 | /*-70 dBm < rssi < -60 dBm (AT86RF212B XPro)*/ |
vpcola | 0:f1d3878b8dd9 | 1559 | else if(rssi < (rf_sensitivity + 30)) |
vpcola | 0:f1d3878b8dd9 | 1560 | scaled_lqi=255; |
vpcola | 0:f1d3878b8dd9 | 1561 | /*-61 dBm < rssi < -51 dBm (AT86RF233 XPro)*/ |
vpcola | 0:f1d3878b8dd9 | 1562 | /*-60 dBm < rssi < -50 dBm (AT86RF212B XPro)*/ |
vpcola | 0:f1d3878b8dd9 | 1563 | else if(rssi < (rf_sensitivity + 40)) |
vpcola | 0:f1d3878b8dd9 | 1564 | scaled_lqi=255; |
vpcola | 0:f1d3878b8dd9 | 1565 | /*-51 dBm < rssi < -41 dBm (AT86RF233 XPro)*/ |
vpcola | 0:f1d3878b8dd9 | 1566 | /*-50 dBm < rssi < -40 dBm (AT86RF212B XPro)*/ |
vpcola | 0:f1d3878b8dd9 | 1567 | else if(rssi < (rf_sensitivity + 50)) |
vpcola | 0:f1d3878b8dd9 | 1568 | scaled_lqi=255; |
vpcola | 0:f1d3878b8dd9 | 1569 | /*-41 dBm < rssi < -31 dBm (AT86RF233 XPro)*/ |
vpcola | 0:f1d3878b8dd9 | 1570 | /*-40 dBm < rssi < -30 dBm (AT86RF212B XPro)*/ |
vpcola | 0:f1d3878b8dd9 | 1571 | else if(rssi < (rf_sensitivity + 60)) |
vpcola | 0:f1d3878b8dd9 | 1572 | scaled_lqi=255; |
vpcola | 0:f1d3878b8dd9 | 1573 | /*-31 dBm < rssi < -21 dBm (AT86RF233 XPro)*/ |
vpcola | 0:f1d3878b8dd9 | 1574 | /*-30 dBm < rssi < -20 dBm (AT86RF212B XPro)*/ |
vpcola | 0:f1d3878b8dd9 | 1575 | else if(rssi < (rf_sensitivity + 70)) |
vpcola | 0:f1d3878b8dd9 | 1576 | scaled_lqi=255; |
vpcola | 0:f1d3878b8dd9 | 1577 | /*rssi > RF saturation*/ |
vpcola | 0:f1d3878b8dd9 | 1578 | else if(rssi > (rf_sensitivity + 80)) |
vpcola | 0:f1d3878b8dd9 | 1579 | scaled_lqi=111; |
vpcola | 0:f1d3878b8dd9 | 1580 | /*-21 dBm < rssi < -11 dBm (AT86RF233 XPro)*/ |
vpcola | 0:f1d3878b8dd9 | 1581 | /*-20 dBm < rssi < -10 dBm (AT86RF212B XPro)*/ |
vpcola | 0:f1d3878b8dd9 | 1582 | else |
vpcola | 0:f1d3878b8dd9 | 1583 | scaled_lqi=255; |
vpcola | 0:f1d3878b8dd9 | 1584 | |
vpcola | 0:f1d3878b8dd9 | 1585 | return scaled_lqi; |
vpcola | 0:f1d3878b8dd9 | 1586 | } |
vpcola | 0:f1d3878b8dd9 | 1587 | |
vpcola | 0:f1d3878b8dd9 | 1588 | |
vpcola | 0:f1d3878b8dd9 | 1589 | /*****************************************************************************/ |
vpcola | 0:f1d3878b8dd9 | 1590 | /* Layer porting to the Freescale driver */ |
vpcola | 0:f1d3878b8dd9 | 1591 | /*****************************************************************************/ |
vpcola | 0:f1d3878b8dd9 | 1592 | extern "C" void xcvr_spi_init(uint32_t instance) |
vpcola | 0:f1d3878b8dd9 | 1593 | { |
vpcola | 0:f1d3878b8dd9 | 1594 | (void)instance; |
vpcola | 0:f1d3878b8dd9 | 1595 | } |
vpcola | 0:f1d3878b8dd9 | 1596 | |
vpcola | 0:f1d3878b8dd9 | 1597 | extern "C" void RF_IRQ_Init(void) { |
vpcola | 0:f1d3878b8dd9 | 1598 | MBED_ASSERT(irq != NULL); |
vpcola | 0:f1d3878b8dd9 | 1599 | irq->mode(PullUp); |
vpcola | 0:f1d3878b8dd9 | 1600 | irq->fall(&PHY_InterruptHandler); |
vpcola | 0:f1d3878b8dd9 | 1601 | } |
vpcola | 0:f1d3878b8dd9 | 1602 | |
vpcola | 0:f1d3878b8dd9 | 1603 | extern "C" void RF_IRQ_Enable(void) { |
vpcola | 0:f1d3878b8dd9 | 1604 | MBED_ASSERT(irq != NULL); |
vpcola | 0:f1d3878b8dd9 | 1605 | irq->enable_irq(); |
vpcola | 0:f1d3878b8dd9 | 1606 | } |
vpcola | 0:f1d3878b8dd9 | 1607 | |
vpcola | 0:f1d3878b8dd9 | 1608 | extern "C" void RF_IRQ_Disable(void) { |
vpcola | 0:f1d3878b8dd9 | 1609 | MBED_ASSERT(irq != NULL); |
vpcola | 0:f1d3878b8dd9 | 1610 | irq->disable_irq(); |
vpcola | 0:f1d3878b8dd9 | 1611 | } |
vpcola | 0:f1d3878b8dd9 | 1612 | |
vpcola | 0:f1d3878b8dd9 | 1613 | extern "C" uint8_t RF_isIRQ_Pending(void) { |
vpcola | 0:f1d3878b8dd9 | 1614 | MBED_ASSERT(rf != NULL); |
vpcola | 0:f1d3878b8dd9 | 1615 | return !irq_pin->read(); |
vpcola | 0:f1d3878b8dd9 | 1616 | } |
vpcola | 0:f1d3878b8dd9 | 1617 | |
vpcola | 0:f1d3878b8dd9 | 1618 | extern "C" void RF_RST_Set(int state) { |
vpcola | 0:f1d3878b8dd9 | 1619 | MBED_ASSERT(rst != NULL); |
vpcola | 0:f1d3878b8dd9 | 1620 | *rst = state; |
vpcola | 0:f1d3878b8dd9 | 1621 | } |
vpcola | 0:f1d3878b8dd9 | 1622 | |
vpcola | 0:f1d3878b8dd9 | 1623 | extern "C" void gXcvrAssertCS_d(void) |
vpcola | 0:f1d3878b8dd9 | 1624 | { |
vpcola | 0:f1d3878b8dd9 | 1625 | MBED_ASSERT(cs != NULL); |
vpcola | 0:f1d3878b8dd9 | 1626 | *cs = 0; |
vpcola | 0:f1d3878b8dd9 | 1627 | } |
vpcola | 0:f1d3878b8dd9 | 1628 | |
vpcola | 0:f1d3878b8dd9 | 1629 | extern "C" void gXcvrDeassertCS_d(void) |
vpcola | 0:f1d3878b8dd9 | 1630 | { |
vpcola | 0:f1d3878b8dd9 | 1631 | MBED_ASSERT(cs != NULL); |
vpcola | 0:f1d3878b8dd9 | 1632 | *cs = 1; |
vpcola | 0:f1d3878b8dd9 | 1633 | } |
vpcola | 0:f1d3878b8dd9 | 1634 | |
vpcola | 0:f1d3878b8dd9 | 1635 | extern "C" void xcvr_spi_configure_speed(uint32_t instance, uint32_t freq) |
vpcola | 0:f1d3878b8dd9 | 1636 | { |
vpcola | 0:f1d3878b8dd9 | 1637 | MBED_ASSERT(spi != NULL); |
vpcola | 0:f1d3878b8dd9 | 1638 | (void)instance; |
vpcola | 0:f1d3878b8dd9 | 1639 | spi->frequency(freq); |
vpcola | 0:f1d3878b8dd9 | 1640 | } |
vpcola | 0:f1d3878b8dd9 | 1641 | |
vpcola | 0:f1d3878b8dd9 | 1642 | extern "C" void xcvr_spi_transfer(uint32_t instance, |
vpcola | 0:f1d3878b8dd9 | 1643 | uint8_t * sendBuffer, |
vpcola | 0:f1d3878b8dd9 | 1644 | uint8_t * receiveBuffer, |
vpcola | 0:f1d3878b8dd9 | 1645 | size_t transferByteCount) |
vpcola | 0:f1d3878b8dd9 | 1646 | { |
vpcola | 0:f1d3878b8dd9 | 1647 | MBED_ASSERT(spi != NULL); |
vpcola | 0:f1d3878b8dd9 | 1648 | (void)instance; |
vpcola | 0:f1d3878b8dd9 | 1649 | volatile uint8_t dummy; |
vpcola | 0:f1d3878b8dd9 | 1650 | |
vpcola | 0:f1d3878b8dd9 | 1651 | if( !transferByteCount ) |
vpcola | 0:f1d3878b8dd9 | 1652 | return; |
vpcola | 0:f1d3878b8dd9 | 1653 | |
vpcola | 0:f1d3878b8dd9 | 1654 | if( !sendBuffer && !receiveBuffer ) |
vpcola | 0:f1d3878b8dd9 | 1655 | return; |
vpcola | 0:f1d3878b8dd9 | 1656 | |
vpcola | 0:f1d3878b8dd9 | 1657 | while( transferByteCount-- ) |
vpcola | 0:f1d3878b8dd9 | 1658 | { |
vpcola | 0:f1d3878b8dd9 | 1659 | if( sendBuffer ) |
vpcola | 0:f1d3878b8dd9 | 1660 | { |
vpcola | 0:f1d3878b8dd9 | 1661 | dummy = *sendBuffer; |
vpcola | 0:f1d3878b8dd9 | 1662 | sendBuffer++; |
vpcola | 0:f1d3878b8dd9 | 1663 | } |
vpcola | 0:f1d3878b8dd9 | 1664 | else |
vpcola | 0:f1d3878b8dd9 | 1665 | { |
vpcola | 0:f1d3878b8dd9 | 1666 | dummy = 0xFF; |
vpcola | 0:f1d3878b8dd9 | 1667 | } |
vpcola | 0:f1d3878b8dd9 | 1668 | |
vpcola | 0:f1d3878b8dd9 | 1669 | dummy = spi->write(dummy); |
vpcola | 0:f1d3878b8dd9 | 1670 | |
vpcola | 0:f1d3878b8dd9 | 1671 | if( receiveBuffer ) |
vpcola | 0:f1d3878b8dd9 | 1672 | { |
vpcola | 0:f1d3878b8dd9 | 1673 | *receiveBuffer = dummy; |
vpcola | 0:f1d3878b8dd9 | 1674 | receiveBuffer++; |
vpcola | 0:f1d3878b8dd9 | 1675 | } |
vpcola | 0:f1d3878b8dd9 | 1676 | } |
vpcola | 0:f1d3878b8dd9 | 1677 | } |
vpcola | 0:f1d3878b8dd9 | 1678 | |
vpcola | 0:f1d3878b8dd9 | 1679 | /*****************************************************************************/ |
vpcola | 0:f1d3878b8dd9 | 1680 | /*****************************************************************************/ |
vpcola | 0:f1d3878b8dd9 | 1681 | |
vpcola | 0:f1d3878b8dd9 | 1682 | static void rf_if_lock(void) |
vpcola | 0:f1d3878b8dd9 | 1683 | { |
vpcola | 0:f1d3878b8dd9 | 1684 | platform_enter_critical(); |
vpcola | 0:f1d3878b8dd9 | 1685 | } |
vpcola | 0:f1d3878b8dd9 | 1686 | |
vpcola | 0:f1d3878b8dd9 | 1687 | static void rf_if_unlock(void) |
vpcola | 0:f1d3878b8dd9 | 1688 | { |
vpcola | 0:f1d3878b8dd9 | 1689 | platform_exit_critical(); |
vpcola | 0:f1d3878b8dd9 | 1690 | } |
vpcola | 0:f1d3878b8dd9 | 1691 | |
vpcola | 0:f1d3878b8dd9 | 1692 | NanostackRfPhyMcr20a::NanostackRfPhyMcr20a(PinName spi_mosi, PinName spi_miso, |
vpcola | 0:f1d3878b8dd9 | 1693 | PinName spi_sclk, PinName spi_cs, PinName spi_rst, PinName spi_irq) |
vpcola | 0:f1d3878b8dd9 | 1694 | : _spi(spi_mosi, spi_miso, spi_sclk), _rf_cs(spi_cs), _rf_rst(spi_rst), |
vpcola | 0:f1d3878b8dd9 | 1695 | _rf_irq(spi_irq), _rf_irq_pin(spi_irq) |
vpcola | 0:f1d3878b8dd9 | 1696 | { |
vpcola | 0:f1d3878b8dd9 | 1697 | // Do nothing |
vpcola | 0:f1d3878b8dd9 | 1698 | } |
vpcola | 0:f1d3878b8dd9 | 1699 | |
vpcola | 0:f1d3878b8dd9 | 1700 | NanostackRfPhyMcr20a::~NanostackRfPhyMcr20a() |
vpcola | 0:f1d3878b8dd9 | 1701 | { |
vpcola | 0:f1d3878b8dd9 | 1702 | // Do nothing |
vpcola | 0:f1d3878b8dd9 | 1703 | } |
vpcola | 0:f1d3878b8dd9 | 1704 | |
vpcola | 0:f1d3878b8dd9 | 1705 | int8_t NanostackRfPhyMcr20a::rf_register() |
vpcola | 0:f1d3878b8dd9 | 1706 | { |
vpcola | 0:f1d3878b8dd9 | 1707 | |
vpcola | 0:f1d3878b8dd9 | 1708 | rf_if_lock(); |
vpcola | 0:f1d3878b8dd9 | 1709 | |
vpcola | 0:f1d3878b8dd9 | 1710 | if (rf != NULL) { |
vpcola | 0:f1d3878b8dd9 | 1711 | rf_if_unlock(); |
vpcola | 0:f1d3878b8dd9 | 1712 | error("Multiple registrations of NanostackRfPhyMcr20a not supported"); |
vpcola | 0:f1d3878b8dd9 | 1713 | return -1; |
vpcola | 0:f1d3878b8dd9 | 1714 | } |
vpcola | 0:f1d3878b8dd9 | 1715 | |
vpcola | 0:f1d3878b8dd9 | 1716 | _pins_set(); |
vpcola | 0:f1d3878b8dd9 | 1717 | int8_t radio_id = rf_device_register(); |
vpcola | 0:f1d3878b8dd9 | 1718 | if (radio_id < 0) { |
vpcola | 0:f1d3878b8dd9 | 1719 | _pins_clear(); |
vpcola | 0:f1d3878b8dd9 | 1720 | rf = NULL; |
vpcola | 0:f1d3878b8dd9 | 1721 | } |
vpcola | 0:f1d3878b8dd9 | 1722 | |
vpcola | 0:f1d3878b8dd9 | 1723 | rf_if_unlock(); |
vpcola | 0:f1d3878b8dd9 | 1724 | return radio_id; |
vpcola | 0:f1d3878b8dd9 | 1725 | } |
vpcola | 0:f1d3878b8dd9 | 1726 | |
vpcola | 0:f1d3878b8dd9 | 1727 | void NanostackRfPhyMcr20a::rf_unregister() |
vpcola | 0:f1d3878b8dd9 | 1728 | { |
vpcola | 0:f1d3878b8dd9 | 1729 | rf_if_lock(); |
vpcola | 0:f1d3878b8dd9 | 1730 | |
vpcola | 0:f1d3878b8dd9 | 1731 | if (rf != this) { |
vpcola | 0:f1d3878b8dd9 | 1732 | rf_if_unlock(); |
vpcola | 0:f1d3878b8dd9 | 1733 | return; |
vpcola | 0:f1d3878b8dd9 | 1734 | } |
vpcola | 0:f1d3878b8dd9 | 1735 | |
vpcola | 0:f1d3878b8dd9 | 1736 | rf_device_unregister(); |
vpcola | 0:f1d3878b8dd9 | 1737 | rf = NULL; |
vpcola | 0:f1d3878b8dd9 | 1738 | _pins_clear(); |
vpcola | 0:f1d3878b8dd9 | 1739 | |
vpcola | 0:f1d3878b8dd9 | 1740 | rf_if_unlock(); |
vpcola | 0:f1d3878b8dd9 | 1741 | } |
vpcola | 0:f1d3878b8dd9 | 1742 | |
vpcola | 0:f1d3878b8dd9 | 1743 | void NanostackRfPhyMcr20a::get_mac_address(uint8_t *mac) |
vpcola | 0:f1d3878b8dd9 | 1744 | { |
vpcola | 0:f1d3878b8dd9 | 1745 | rf_if_lock(); |
vpcola | 0:f1d3878b8dd9 | 1746 | |
vpcola | 0:f1d3878b8dd9 | 1747 | memcpy((void*)mac, (void*)MAC_address, sizeof(MAC_address)); |
vpcola | 0:f1d3878b8dd9 | 1748 | |
vpcola | 0:f1d3878b8dd9 | 1749 | rf_if_unlock(); |
vpcola | 0:f1d3878b8dd9 | 1750 | } |
vpcola | 0:f1d3878b8dd9 | 1751 | |
vpcola | 0:f1d3878b8dd9 | 1752 | void NanostackRfPhyMcr20a::set_mac_address(uint8_t *mac) |
vpcola | 0:f1d3878b8dd9 | 1753 | { |
vpcola | 0:f1d3878b8dd9 | 1754 | rf_if_lock(); |
vpcola | 0:f1d3878b8dd9 | 1755 | |
vpcola | 0:f1d3878b8dd9 | 1756 | if (NULL != rf) { |
vpcola | 0:f1d3878b8dd9 | 1757 | error("NanostackRfPhyAtmel cannot change mac address when running"); |
vpcola | 0:f1d3878b8dd9 | 1758 | rf_if_unlock(); |
vpcola | 0:f1d3878b8dd9 | 1759 | return; |
vpcola | 0:f1d3878b8dd9 | 1760 | } |
vpcola | 0:f1d3878b8dd9 | 1761 | memcpy((void*)MAC_address, (void*)mac, sizeof(MAC_address)); |
vpcola | 0:f1d3878b8dd9 | 1762 | |
vpcola | 0:f1d3878b8dd9 | 1763 | rf_if_unlock(); |
vpcola | 0:f1d3878b8dd9 | 1764 | } |
vpcola | 0:f1d3878b8dd9 | 1765 | |
vpcola | 0:f1d3878b8dd9 | 1766 | void NanostackRfPhyMcr20a::_pins_set() |
vpcola | 0:f1d3878b8dd9 | 1767 | { |
vpcola | 0:f1d3878b8dd9 | 1768 | spi = &_spi; |
vpcola | 0:f1d3878b8dd9 | 1769 | cs = &_rf_cs; |
vpcola | 0:f1d3878b8dd9 | 1770 | rst = &_rf_rst; |
vpcola | 0:f1d3878b8dd9 | 1771 | irq = &_rf_irq; |
vpcola | 0:f1d3878b8dd9 | 1772 | irq_pin = &_rf_irq_pin; |
vpcola | 0:f1d3878b8dd9 | 1773 | } |
vpcola | 0:f1d3878b8dd9 | 1774 | |
vpcola | 0:f1d3878b8dd9 | 1775 | void NanostackRfPhyMcr20a::_pins_clear() |
vpcola | 0:f1d3878b8dd9 | 1776 | { |
vpcola | 0:f1d3878b8dd9 | 1777 | spi = NULL; |
vpcola | 0:f1d3878b8dd9 | 1778 | cs = NULL; |
vpcola | 0:f1d3878b8dd9 | 1779 | rst = NULL; |
vpcola | 0:f1d3878b8dd9 | 1780 | irq = NULL; |
vpcola | 0:f1d3878b8dd9 | 1781 | irq_pin = NULL; |
vpcola | 0:f1d3878b8dd9 | 1782 | } |