First attempt at LoRa USB Rx

Dependencies:   BufferedSerial SX1276GenericLib mbed

Fork of DISCO-L072CZ-LRWAN1_LoRa_PingPong by ST

Files at this revision

API Documentation at this revision

Comitter:
akashvibhute
Date:
Tue Jan 02 06:32:31 2018 +0000
Parent:
10:f84959c2e044
Commit message:
First attempt at LoRa USB Rx

Changed in this revision

SX1276GenericPingPong/GenericPingPong.cpp Show diff for this revision Revisions of this file
SX1276GenericPingPong/GenericPingPong.h Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
main.h Show annotated file Show diff for this revision Revisions of this file
diff -r f84959c2e044 -r 17b932171aee SX1276GenericPingPong/GenericPingPong.cpp
--- a/SX1276GenericPingPong/GenericPingPong.cpp	Tue Jun 06 12:21:21 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,414 +0,0 @@
-/*
- * This file contains a copy of the master content sx1276PingPong
- * with adaption for the SX1276Generic environment
- * (c) 2017 Helmut Tschemernjak
- * 30826 Garbsen (Hannover) Germany
- */
- 
-#include "mbed.h"
-#include "PinMap.h"
-#include "GenericPingPong.h"
-#include "sx1276-mbed-hal.h"
-#include "main.h"
-
-#ifdef FEATURE_LORA
-
-/* Set this flag to '1' to display debug messages on the console */
-#define DEBUG_MESSAGE   1
-
-/* Set this flag to '1' to use the LoRa modulation or to '0' to use FSK modulation */
-#define USE_MODEM_LORA  1
-#define USE_MODEM_FSK   !USE_MODEM_LORA
-#define RF_FREQUENCY            RF_FREQUENCY_868_1  // Hz
-#define TX_OUTPUT_POWER         14                  // 14 dBm
-
-#if USE_MODEM_LORA == 1
-
-#define LORA_BANDWIDTH          125000  // LoRa default, details in SX1276::BandwidthMap
-#define LORA_SPREADING_FACTOR   LORA_SF7
-#define LORA_CODINGRATE         LORA_ERROR_CODING_RATE_4_5
-
-#define LORA_PREAMBLE_LENGTH    8       // Same for Tx and Rx
-#define LORA_SYMBOL_TIMEOUT     5       // Symbols
-#define LORA_FIX_LENGTH_PAYLOAD_ON  false
-#define LORA_FHSS_ENABLED       false  
-#define LORA_NB_SYMB_HOP        4     
-#define LORA_IQ_INVERSION_ON    false
-#define LORA_CRC_ENABLED        true
-    
-#elif USE_MODEM_FSK == 1
-
-#define FSK_FDEV                25000     // Hz
-#define FSK_DATARATE            19200     // bps
-#define FSK_BANDWIDTH           50000     // Hz
-#define FSK_AFC_BANDWIDTH       83333     // Hz
-#define FSK_PREAMBLE_LENGTH     5         // Same for Tx and Rx
-#define FSK_FIX_LENGTH_PAYLOAD_ON   false
-#define FSK_CRC_ENABLED         true
-    
-#else
-    #error "Please define a modem in the compiler options."
-#endif 
-
-
-#define RX_TIMEOUT_VALUE    3500	// in ms
-
-//#define BUFFER_SIZE       32        // Define the payload size here
-#define BUFFER_SIZE         64        // Define the payload size here
-
-/*
- *  Global variables declarations
- */
-typedef enum
-{
-    LOWPOWER = 0,
-    IDLE,
-    
-    RX,
-    RX_TIMEOUT,
-    RX_ERROR,
-    
-    TX,
-    TX_TIMEOUT,
-    
-    CAD,
-    CAD_DONE
-} AppStates_t;
-
-volatile AppStates_t State = LOWPOWER;
-
-/*!
- * Radio events function pointer
- */
-static RadioEvents_t RadioEvents;
-
-/*
- *  Global variables declarations
- */
-SX1276Generic *Radio;
-
-
-const uint8_t PingMsg[] = { 0xff, 0xff, 0x00, 0x00, 'P', 'I', 'N', 'G'};// "PING";
-const uint8_t PongMsg[] = { 0xff, 0xff, 0x00, 0x00, 'P', 'O', 'N', 'G'};// "PONG";
-
-uint16_t BufferSize = BUFFER_SIZE;
-uint8_t *Buffer;
-
-DigitalOut *led3;
-
-
-int SX1276PingPong() 
-{
-#if( defined ( TARGET_KL25Z ) || defined ( TARGET_LPC11U6X ) )
-    DigitalOut *led = new DigitalOut(LED2);
-#elif defined(TARGET_NUCLEO_L073RZ)
-    DigitalOut *led = new DigitalOut(LED4);   // RX red
-    led3 = new DigitalOut(LED3);  // TX blue
-#else
-    DigitalOut *led = new DigitalOut(LED1);
-    led3 = led;
-#endif
-    
-    Buffer = new  uint8_t[BUFFER_SIZE];
-    *led3 = 1;
-
-#ifdef B_L072Z_LRWAN1_LORA
-    Radio = new SX1276Generic(NULL, MURATA_SX1276,
-    		LORA_SPI_MOSI, LORA_SPI_MISO, LORA_SPI_SCLK, LORA_CS, LORA_RESET,
-        	LORA_DIO0, LORA_DIO1, LORA_DIO2, LORA_DIO3, LORA_DIO4, LORA_DIO5,
-        	LORA_ANT_RX, LORA_ANT_TX, LORA_ANT_BOOST, LORA_TCXO);
-#else // RFM95
-    Radio = new SX1276Generic(NULL, RFM95_SX1276,
-			LORA_SPI_MOSI, LORA_SPI_MISO, LORA_SPI_SCLK, LORA_CS, LORA_RESET,
-            LORA_DIO0, LORA_DIO1, LORA_DIO2, LORA_DIO3, LORA_DIO4, LORA_DIO5);
-
-#endif
-    
-    uint8_t i;
-    bool isMaster = true;
-    
-    dprintf("SX1276 Ping Pong Demo Application" );
-    dprintf("Freqency: %.1f", (double)RF_FREQUENCY/1000000.0);
-    dprintf("TXPower: %d dBm",  TX_OUTPUT_POWER);
-#if USE_MODEM_LORA == 1
-    dprintf("Bandwidth: %d Hz", LORA_BANDWIDTH);
-    dprintf("Spreading factor: SF%d", LORA_SPREADING_FACTOR);
-#elif USE_MODEM_FSK == 1
-    dprintf("Bandwidth: %d kHz",  FSK_BANDWIDTH);
-    dprintf("Baudrate: %d", FSK_DATARATE);
-#endif
-    // Initialize Radio driver
-    RadioEvents.TxDone = OnTxDone;
-    RadioEvents.RxDone = OnRxDone;
-    RadioEvents.RxError = OnRxError;
-    RadioEvents.TxTimeout = OnTxTimeout;
-    RadioEvents.RxTimeout = OnRxTimeout;    
-    if (Radio->Init( &RadioEvents ) == false) {
-        while(1) {
-        	dprintf("Radio could not be detected!");
-        	wait( 1 );
-        }
-    }
-
-    
-    switch(Radio->DetectBoardType()) {
-        case SX1276MB1LAS:
-            if (DEBUG_MESSAGE)
-                dprintf(" > Board Type: SX1276MB1LAS <");
-            break;
-        case SX1276MB1MAS:
-            if (DEBUG_MESSAGE)
-                dprintf(" > Board Type: SX1276MB1LAS <");
-        case MURATA_SX1276:
-            if (DEBUG_MESSAGE)
-            	dprintf(" > Board Type: MURATA_SX1276_STM32L0 <");
-            break;
-        case RFM95_SX1276:
-            if (DEBUG_MESSAGE)
-                dprintf(" > HopeRF RFM95xx <");
-            break;
-        default:
-            dprintf(" > Board Type: unknown <");
-    }
-
-    Radio->SetChannel(RF_FREQUENCY ); 
-
-#if USE_MODEM_LORA == 1
-    
-    if (LORA_FHSS_ENABLED)
-        dprintf("             > LORA FHSS Mode <");
-    if (!LORA_FHSS_ENABLED)
-        dprintf("             > LORA Mode <");
-
-    Radio->SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, LORA_BANDWIDTH,
-                         LORA_SPREADING_FACTOR, LORA_CODINGRATE,
-                         LORA_PREAMBLE_LENGTH, LORA_FIX_LENGTH_PAYLOAD_ON,
-                         LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP, 
-                         LORA_IQ_INVERSION_ON, 2000 );
-    
-    Radio->SetRxConfig( MODEM_LORA, LORA_BANDWIDTH, LORA_SPREADING_FACTOR,
-                         LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH,
-                         LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON, 0,
-                         LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP, 
-                         LORA_IQ_INVERSION_ON, true );
-                         
-#elif USE_MODEM_FSK == 1
-
-    dprintf("              > FSK Mode <");
-    Radio->SetTxConfig( MODEM_FSK, TX_OUTPUT_POWER, FSK_FDEV, 0,
-                         FSK_DATARATE, 0,
-                         FSK_PREAMBLE_LENGTH, FSK_FIX_LENGTH_PAYLOAD_ON,
-                         FSK_CRC_ENABLED, 0, 0, 0, 2000 );
-    
-    Radio->SetRxConfig( MODEM_FSK, FSK_BANDWIDTH, FSK_DATARATE,
-                         0, FSK_AFC_BANDWIDTH, FSK_PREAMBLE_LENGTH,
-                         0, FSK_FIX_LENGTH_PAYLOAD_ON, 0, FSK_CRC_ENABLED,
-                         0, 0, false, true );
-                         
-#else
-
-#error "Please define a modem in the compiler options."
-
-#endif
-     
-    if (DEBUG_MESSAGE)
-        dprintf("Starting Ping-Pong loop"); 
-
-        
-    Radio->Rx( RX_TIMEOUT_VALUE );
-    
-    while( 1 )
-    {
-#ifdef TARGET_STM32L4
-        WatchDogUpdate();
-#endif
-        
-        switch( State )
-        {
-        case RX:
-        	*led3 = 0;
-            if( isMaster == true )
-            {
-                if( BufferSize > 0 )
-                {
-                    if( memcmp(Buffer, PongMsg, sizeof(PongMsg)) == 0 )
-                    {
-                        *led = !*led;
-                        dprintf( "...Pong" );
-                        // Send the next PING frame            
-                        memcpy(Buffer, PingMsg, sizeof(PingMsg));
-                        // We fill the buffer with numbers for the payload 
-                        for( i = sizeof(PingMsg); i < BufferSize; i++ )
-                        {
-                            Buffer[i] = i - sizeof(PingMsg);
-                        }
-                        wait_ms( 10 ); 
-                        Radio->Send( Buffer, BufferSize );
-                    }
-                    else if( memcmp(Buffer, PingMsg, sizeof(PingMsg)) == 0 )
-                    { // A master already exists then become a slave
-                        dprintf( "...Ping" );
-                        *led = !*led;
-                        isMaster = false;
-                        // Send the next PONG frame
-                        memcpy(Buffer, PongMsg, sizeof(PongMsg));        
-                        // We fill the buffer with numbers for the payload 
-                        for( i = sizeof(PongMsg); i < BufferSize; i++ )
-                        {
-                            Buffer[i] = i - sizeof(PongMsg);
-                        }
-                        wait_ms( 10 ); 
-                        Radio->Send( Buffer, BufferSize );
-                    }
-                    else // valid reception but neither a PING or a PONG message
-                    {    // Set device as master ans start again
-                        isMaster = true;
-                        Radio->Rx( RX_TIMEOUT_VALUE );
-                    }    
-                }
-            }
-            else
-            {
-                if( BufferSize > 0 )
-                {
-                    if( memcmp(Buffer, PingMsg, sizeof(PingMsg)) == 0 )
-                    {
-                        *led = !*led;
-                        dprintf( "...Ping" );
-                        // Send the reply to the PING string
-                        memcpy(Buffer, PongMsg, sizeof(PongMsg));
-                        // We fill the buffer with numbers for the payload 
-                        for( i = sizeof(PongMsg); i < BufferSize; i++ )
-                        {
-                            Buffer[i] = i - sizeof(PongMsg);
-                        }
-                        wait_ms( 10 );  
-                        Radio->Send( Buffer, BufferSize );
-                    }
-                    else // valid reception but not a PING as expected
-                    {    // Set device as master and start again
-                        isMaster = true;
-                        Radio->Rx( RX_TIMEOUT_VALUE );
-                    }    
-                }
-            }
-            State = LOWPOWER;
-            break;
-        case TX:    
-            *led3 = 1;
-            if( isMaster == true )  
-            {
-                dprintf("Ping..." );
-            }
-            else
-            {
-                dprintf("Pong..." );
-            }
-            Radio->Rx( RX_TIMEOUT_VALUE );
-            State = LOWPOWER;
-            break;
-        case RX_TIMEOUT:
-            if( isMaster == true )
-            {
-                // Send the next PING frame
-                memcpy(Buffer, PingMsg, sizeof(PingMsg));
-                for( i = sizeof(PingMsg); i < BufferSize; i++ )
-                {
-                    Buffer[i] = i - sizeof(PingMsg);
-                }
-                wait_ms( 10 ); 
-                Radio->Send( Buffer, BufferSize );
-            }
-            else
-            {
-                Radio->Rx( RX_TIMEOUT_VALUE );  
-            }             
-            State = LOWPOWER;
-            break;
-        case RX_ERROR:
-            // We have received a Packet with a CRC error, send reply as if packet was correct
-            if( isMaster == true )
-            {
-                // Send the next PING frame
-                memcpy(Buffer, PingMsg, sizeof(PingMsg));
-                for( i = 4; i < BufferSize; i++ )
-                {
-                    Buffer[i] = i - 4;
-                }
-                wait_ms( 10 );  
-                Radio->Send( Buffer, BufferSize );
-            }
-            else
-            {
-                // Send the next PONG frame
-                memcpy(Buffer, PongMsg, sizeof(PongMsg));
-                for( i = sizeof(PongMsg); i < BufferSize; i++ )
-                {
-                    Buffer[i] = i - sizeof(PongMsg);
-                }
-                wait_ms( 10 );  
-                Radio->Send( Buffer, BufferSize );
-            }
-            State = LOWPOWER;
-            break;
-        case TX_TIMEOUT:
-            Radio->Rx( RX_TIMEOUT_VALUE );
-            State = LOWPOWER;
-            break;
-        case LOWPOWER:
-        	sleep();
-            break;
-        default:
-            State = LOWPOWER;
-            break;
-        }    
-    }
-}
-
-void OnTxDone(void *radio)
-{
-    Radio->Sleep( );
-    State = TX;
-    if (DEBUG_MESSAGE)
-        dprintf("> OnTxDone");
-}
-
-void OnRxDone(void *radio, uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr)
-{
-    Radio->Sleep( );
-    BufferSize = size;
-    memcpy( Buffer, payload, BufferSize );
-    State = RX;
-    if (DEBUG_MESSAGE)
-        dprintf("> OnRxDone: RssiValue=%d dBm, SnrValue=%d", rssi, snr);
-    dump("Data:", payload, size);
-}
-
-void OnTxTimeout(void *radio)
-{
-    *led3 = 0;
-    Radio->Sleep( );
-    State = TX_TIMEOUT;
-    if(DEBUG_MESSAGE)
-        dprintf("> OnTxTimeout");
-}
-
-void OnRxTimeout(void *radio)
-{
-    *led3 = 0;
-    Radio->Sleep( );
-    Buffer[BufferSize-1] = 0;
-    State = RX_TIMEOUT;
-    if (DEBUG_MESSAGE)
-        dprintf("> OnRxTimeout");
-}
-
-void OnRxError(void *radio)
-{
-    Radio->Sleep( );
-    State = RX_ERROR;
-    if (DEBUG_MESSAGE)
-        dprintf("> OnRxError");
-}
-
-#endif
diff -r f84959c2e044 -r 17b932171aee SX1276GenericPingPong/GenericPingPong.h
--- a/SX1276GenericPingPong/GenericPingPong.h	Tue Jun 06 12:21:21 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,69 +0,0 @@
-/*
- / _____)             _              | |
-( (____  _____ ____ _| |_ _____  ____| |__
- \____ \| ___ |    (_   _) ___ |/ ___)  _ \
- _____) ) ____| | | || |_| ____( (___| | | |
-(______/|_____)_|_|_| \__)_____)\____)_| |_|
-    ( C )2014 Semtech
-
-Description: Contains the callbacks for the IRQs and any application related details
-
-License: Revised BSD License, see LICENSE.TXT file include in the project
-
-Maintainer: Miguel Luis and Gregory Cristian
-*/
-
-/*
- * This file contains a copy of the master content sx1276PingPong
- * with adaption for the SX1276Generic environment
- * (c) 2017 Helmut Tschemernjak
- * 30826 Garbsen (Hannover) Germany
- */
- 
-#ifndef __SX1276PINGPONG_H__
-#define __SX1276PINGPONG_H__
-
-#ifdef FEATURE_LORA
-int SX1276PingPong(void);
-#else
-#define  SX1276PingPong(x)   void()
-#endif
-/*
- * Callback functions prototypes
- */
-/*!
- * @brief Function to be executed on Radio Tx Done event
- */
-void OnTxDone(void *radio);
-
-/*!
- * @brief Function to be executed on Radio Rx Done event
- */
-void OnRxDone(void *radio, uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr );
-
-/*!
- * @brief Function executed on Radio Tx Timeout event
- */
-void OnTxTimeout(void *radio);
-
-/*!
- * @brief Function executed on Radio Rx Timeout event
- */
-void OnRxTimeout(void *radio);
-
-/*!
- * @brief Function executed on Radio Rx Error event
- */
-void OnRxError(void *radio);
-
-/*!
- * @brief Function executed on Radio Fhss Change Channel event
- */
-void OnFhssChangeChannel(void *radio, uint8_t channelIndex );
-
-/*!
- * @brief Function executed on CAD Done event
- */
-void OnCadDone(void *radio);
-
-#endif // __MAIN_H__
\ No newline at end of file
diff -r f84959c2e044 -r 17b932171aee main.cpp
--- a/main.cpp	Tue Jun 06 12:21:21 2017 +0000
+++ b/main.cpp	Tue Jan 02 06:32:31 2018 +0000
@@ -8,15 +8,240 @@
 DigitalOut myled(LED1);
 BufferedSerial *ser;
 
+
+#ifdef FEATURE_LORA
+
+/* Set this flag to '1' to display debug messages on the console */
+#define DEBUG_MESSAGE   0
+
+/* Set this flag to '1' to use the LoRa modulation or to '0' to use FSK modulation */
+#define USE_MODEM_LORA  1
+#define USE_MODEM_FSK   !USE_MODEM_LORA
+#define RF_FREQUENCY            915000000//RF_FREQUENCY_868_1  // Hz
+#define TX_OUTPUT_POWER         20                  // 14 dBm
+
+#if USE_MODEM_LORA == 1
+
+#define LORA_BANDWIDTH          125000  // LoRa default, details in SX1276::BandwidthMap
+#define LORA_SPREADING_FACTOR   LORA_SF12
+#define LORA_CODINGRATE         LORA_ERROR_CODING_RATE_4_5
+
+#define LORA_PREAMBLE_LENGTH    8       // Same for Tx and Rx
+#define LORA_SYMBOL_TIMEOUT     5       // Symbols
+#define LORA_FIX_LENGTH_PAYLOAD_ON  false
+#define LORA_FHSS_ENABLED       false  
+#define LORA_NB_SYMB_HOP        4     
+#define LORA_IQ_INVERSION_ON    false
+#define LORA_CRC_ENABLED        true
+    
+#elif USE_MODEM_FSK == 1
+
+#define FSK_FDEV                25000     // Hz
+#define FSK_DATARATE            19200     // bps
+#define FSK_BANDWIDTH           50000     // Hz
+#define FSK_AFC_BANDWIDTH       83333     // Hz
+#define FSK_PREAMBLE_LENGTH     5         // Same for Tx and Rx
+#define FSK_FIX_LENGTH_PAYLOAD_ON   false
+#define FSK_CRC_ENABLED         true
+    
+#else
+    #error "Please define a modem in the compiler options."
+#endif 
+
+
+#define RX_TIMEOUT_VALUE    8000//3500  // in ms
+
+//#define BUFFER_SIZE       32        // Define the payload size here
+#define BUFFER_SIZE         4//64        // Define the payload size here
+
+/*
+ *  Global variables declarations
+ */
+typedef enum
+{
+    LOWPOWER = 0,
+    IDLE,
+    
+    RX,
+    RX_TIMEOUT,
+    RX_ERROR,
+    
+    TX,
+    TX_TIMEOUT,
+    
+    CAD,
+    CAD_DONE
+} AppStates_t;
+
+volatile AppStates_t State = LOWPOWER;
+
+/*!
+ * Radio events function pointer
+ */
+static RadioEvents_t RadioEvents;
+
+/*
+ *  Global variables declarations
+ */
+SX1276Generic *Radio;
+
+
+//const uint8_t PingMsg[] = { 0xff, 0xff, 0x00, 0x00, 'P', 'I', 'N', 'G'};// "PING";
+const uint8_t PingMsg[] = { 'P', 'I', 'N', 'G'};// "PING";
+//const uint8_t PongMsg[] = { 0xff, 0xff, 0x00, 0x00, 'P', 'O', 'N', 'G'};// "PONG";
+const uint8_t PongMsg[] = { 'P', 'O', 'N', 'G'};// "PONG";
+
+uint16_t BufferSize = BUFFER_SIZE;
+uint8_t *Buffer;
+
+DigitalOut *led3;
+DigitalOut *led = new DigitalOut(LED1);
+
+uint8_t i;
+bool isMaster = false;
+
+uint8_t SX1276DataTx[4];
+uint8_t SX1276DataRx[4]; 
+bool mode = false; // false is slave, true is master
+
+uint8_t serialRxBuffer[4];
 int main() {
     SystemClock_Config();
     ser = new BufferedSerial(USBTX, USBRX);
-    ser->baud(115200*2);
+    ser->baud(115200);
     ser->format(8);
     ser->printf("Hello World\n\r");
     myled = 1;
     
-    SX1276PingPong();
+    #if( defined ( TARGET_KL25Z ) || defined ( TARGET_LPC11U6X ) )
+    DigitalOut *led = new DigitalOut(LED2);
+#elif defined(TARGET_NUCLEO_L073RZ)
+    DigitalOut *led = new DigitalOut(LED4);   // RX red
+    led3 = new DigitalOut(LED3);  // TX blue
+#else
+    DigitalOut *led = new DigitalOut(LED1);
+    led3 = led;
+#endif
+    
+    Buffer = new  uint8_t[BUFFER_SIZE];
+    *led3 = 1;
+
+#ifdef B_L072Z_LRWAN1_LORA
+    Radio = new SX1276Generic(NULL, MURATA_SX1276,
+            LORA_SPI_MOSI, LORA_SPI_MISO, LORA_SPI_SCLK, LORA_CS, LORA_RESET,
+            LORA_DIO0, LORA_DIO1, LORA_DIO2, LORA_DIO3, LORA_DIO4, LORA_DIO5,
+            LORA_ANT_RX, LORA_ANT_TX, LORA_ANT_BOOST, LORA_TCXO);
+#else // RFM95
+    Radio = new SX1276Generic(NULL, RFM95_SX1276,
+            LORA_SPI_MOSI, LORA_SPI_MISO, LORA_SPI_SCLK, LORA_CS, LORA_RESET,
+            LORA_DIO0, LORA_DIO1, LORA_DIO2, LORA_DIO3, LORA_DIO4, LORA_DIO5);
+
+#endif
+    
+    
+    isMaster = true;
+    
+    dprintf("SX1276 Ping Pong Demo Application" );
+    dprintf("Freqency: %.1f", (double)RF_FREQUENCY/1000000.0);
+    dprintf("TXPower: %d dBm",  TX_OUTPUT_POWER);
+#if USE_MODEM_LORA == 1
+    dprintf("Bandwidth: %d Hz", LORA_BANDWIDTH);
+    dprintf("Spreading factor: SF%d", LORA_SPREADING_FACTOR);
+#elif USE_MODEM_FSK == 1
+    dprintf("Bandwidth: %d kHz",  FSK_BANDWIDTH);
+    dprintf("Baudrate: %d", FSK_DATARATE);
+#endif
+    // Initialize Radio driver
+    RadioEvents.TxDone = OnTxDone;
+    RadioEvents.RxDone = OnRxDone;
+    RadioEvents.RxError = OnRxError;
+    RadioEvents.TxTimeout = OnTxTimeout;
+    RadioEvents.RxTimeout = OnRxTimeout;    
+    if (Radio->Init( &RadioEvents ) == false) {
+        while(1) {
+            dprintf("Radio could not be detected!");
+            wait( 1 );
+        }
+    }
+
+    
+    switch(Radio->DetectBoardType()) {
+        case SX1276MB1LAS:
+            if (DEBUG_MESSAGE)
+                dprintf(" > Board Type: SX1276MB1LAS <");
+            break;
+        case SX1276MB1MAS:
+            if (DEBUG_MESSAGE)
+                dprintf(" > Board Type: SX1276MB1LAS <");
+        case MURATA_SX1276:
+            if (DEBUG_MESSAGE)
+                dprintf(" > Board Type: MURATA_SX1276_STM32L0 <");
+            break;
+        case RFM95_SX1276:
+            if (DEBUG_MESSAGE)
+                dprintf(" > HopeRF RFM95xx <");
+            break;
+        default:
+            dprintf(" > Board Type: unknown <");
+    }
+
+    Radio->SetChannel(RF_FREQUENCY ); 
+
+#if USE_MODEM_LORA == 1
+    
+    if (LORA_FHSS_ENABLED)
+        dprintf("             > LORA FHSS Mode <");
+    if (!LORA_FHSS_ENABLED)
+        dprintf("             > LORA Mode <");
+
+    Radio->SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, LORA_BANDWIDTH,
+                         LORA_SPREADING_FACTOR, LORA_CODINGRATE,
+                         LORA_PREAMBLE_LENGTH, LORA_FIX_LENGTH_PAYLOAD_ON,
+                         LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP, 
+                         LORA_IQ_INVERSION_ON, 2000 );
+    
+    Radio->SetRxConfig( MODEM_LORA, LORA_BANDWIDTH, LORA_SPREADING_FACTOR,
+                         LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH,
+                         LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON, 0,
+                         LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP, 
+                         LORA_IQ_INVERSION_ON, true );
+                         
+#elif USE_MODEM_FSK == 1
+
+    dprintf("              > FSK Mode <");
+    Radio->SetTxConfig( MODEM_FSK, TX_OUTPUT_POWER, FSK_FDEV, 0,
+                         FSK_DATARATE, 0,
+                         FSK_PREAMBLE_LENGTH, FSK_FIX_LENGTH_PAYLOAD_ON,
+                         FSK_CRC_ENABLED, 0, 0, 0, 2000 );
+    
+    Radio->SetRxConfig( MODEM_FSK, FSK_BANDWIDTH, FSK_DATARATE,
+                         0, FSK_AFC_BANDWIDTH, FSK_PREAMBLE_LENGTH,
+                         0, FSK_FIX_LENGTH_PAYLOAD_ON, 0, FSK_CRC_ENABLED,
+                         0, 0, false, true );
+                         
+#else
+
+#error "Please define a modem in the compiler options."
+
+#endif
+     
+    if (DEBUG_MESSAGE)
+        dprintf("Starting Rx loop"); 
+
+        
+    Radio->Rx( RX_TIMEOUT_VALUE );
+    /*
+    SX1276DataTx[0] = 0x0A;
+    SX1276DataTx[1] = 0x0B;
+    SX1276DataTx[2] = 0x0C;
+    SX1276DataTx[3] = 0x0D;
+    */
+    
+    while(1)
+    SX1276Comm(0, 1); 
+    //SX1276PingPong();
+    
+    
 }
 
 
@@ -118,3 +343,258 @@
     }
     ser->printf("--\r\n");
 }
+
+
+
+
+int SX1276PingPong() 
+{
+
+    
+    while( 1 )
+    {
+#ifdef TARGET_STM32L4
+        WatchDogUpdate();
+#endif
+        
+        switch( State )
+        {
+        case RX:
+            *led3 = 0;
+            if( isMaster == true )
+            {
+                if( BufferSize > 0 )
+                {
+                    if( memcmp(Buffer, PongMsg, sizeof(PongMsg)) == 0 )
+                    {
+                        *led = !*led;
+                        dprintf( "...Pong" );
+                        // Send the next PING frame            
+                        memcpy(Buffer, PingMsg, sizeof(PingMsg));
+                        // We fill the buffer with numbers for the payload 
+                        for( i = sizeof(PingMsg); i < BufferSize; i++ )
+                        {
+                            Buffer[i] = i - sizeof(PingMsg);
+                        }
+                        //wait_ms( 10 ); 
+                        Radio->Send( Buffer, BufferSize );
+                    }
+                    else if( memcmp(Buffer, PingMsg, sizeof(PingMsg)) == 0 )
+                    { // A master already exists then become a slave
+                        dprintf( "...Ping" );
+                        *led = !*led;
+                        isMaster = false;
+                        // Send the next PONG frame
+                        memcpy(Buffer, PongMsg, sizeof(PongMsg));        
+                        // We fill the buffer with numbers for the payload 
+                        for( i = sizeof(PongMsg); i < BufferSize; i++ )
+                        {
+                            Buffer[i] = i - sizeof(PongMsg);
+                        }
+                        //wait_ms( 10 ); 
+                        Radio->Send( Buffer, BufferSize );
+                    }
+                    else // valid reception but neither a PING or a PONG message
+                    {    // Set device as master ans start again
+                        isMaster = true;
+                        Radio->Rx( RX_TIMEOUT_VALUE );
+                    }    
+                }
+            }
+            else
+            {
+                if( BufferSize > 0 )
+                {
+                    if( memcmp(Buffer, PingMsg, sizeof(PingMsg)) == 0 )
+                    {
+                        *led = !*led;
+                        dprintf( "...Ping" );
+                        // Send the reply to the PING string
+                        memcpy(Buffer, PongMsg, sizeof(PongMsg));
+                        // We fill the buffer with numbers for the payload 
+                        for( i = sizeof(PongMsg); i < BufferSize; i++ )
+                        {
+                            Buffer[i] = i - sizeof(PongMsg);
+                        }
+                        //wait_ms( 10 );  
+                        Radio->Send( Buffer, BufferSize );
+                    }
+                    else // valid reception but not a PING as expected
+                    {    // Set device as master and start again
+                        isMaster = true;
+                        Radio->Rx( RX_TIMEOUT_VALUE );
+                    }    
+                }
+            }
+            State = LOWPOWER;
+            break;
+        case TX:    
+            *led3 = 1;
+            if( isMaster == true )  
+            {
+                dprintf("Ping..." );
+            }
+            else
+            {
+                dprintf("Pong..." );
+            }
+            Radio->Rx( RX_TIMEOUT_VALUE );
+            State = LOWPOWER;
+            break;
+        case RX_TIMEOUT:
+            if( isMaster == true )
+            {
+                // Send the next PING frame
+                memcpy(Buffer, PingMsg, sizeof(PingMsg));
+                for( i = sizeof(PingMsg); i < BufferSize; i++ )
+                {
+                    Buffer[i] = i - sizeof(PingMsg);
+                }
+                //wait_ms( 10 ); 
+                Radio->Send( Buffer, BufferSize );
+            }
+            else
+            {
+                Radio->Rx( RX_TIMEOUT_VALUE );  
+            }             
+            State = LOWPOWER;
+            break;
+        case RX_ERROR:
+            // We have received a Packet with a CRC error, send reply as if packet was correct
+            if( isMaster == true )
+            {
+                // Send the next PING frame
+                memcpy(Buffer, PingMsg, sizeof(PingMsg));
+                for( i = 4; i < BufferSize; i++ )
+                {
+                    Buffer[i] = i - 4;
+                }
+                //wait_ms( 10 );  
+                Radio->Send( Buffer, BufferSize );
+            }
+            else
+            {
+                // Send the next PONG frame
+                memcpy(Buffer, PongMsg, sizeof(PongMsg));
+                for( i = sizeof(PongMsg); i < BufferSize; i++ )
+                {
+                    Buffer[i] = i - sizeof(PongMsg);
+                }
+                //wait_ms( 10 );  
+                Radio->Send( Buffer, BufferSize );
+            }
+            State = LOWPOWER;
+            break;
+        case TX_TIMEOUT:
+            Radio->Rx( RX_TIMEOUT_VALUE );
+            State = LOWPOWER;
+            break;
+        case LOWPOWER:
+            sleep();
+            break;
+        default:
+            State = LOWPOWER;
+            break;
+        }    
+    }
+}
+
+void OnTxDone(void *radio)
+{
+    Radio->Sleep( );
+    State = TX;
+    if (DEBUG_MESSAGE)
+        dprintf("> OnTxDone");
+}
+
+void OnRxDone(void *radio, uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr)
+{
+    Radio->Sleep( );
+    BufferSize = size;
+    memcpy( Buffer, payload, BufferSize );
+    State = RX;
+    if (DEBUG_MESSAGE)
+        dprintf("> OnRxDone: RssiValue=%d dBm, SnrValue=%d", rssi, snr);
+    //dump("Data:", payload, size);
+    //ser->printf("Rx Data ~%x%x%x%x\n", payload[0], payload[1], payload[2], payload[3]);
+    ser->printf("~%02x%02x%02x%02x\n", Buffer[0], Buffer[1], Buffer[2], Buffer[3]);
+}
+
+void OnTxTimeout(void *radio)
+{
+    *led3 = 0;
+    Radio->Sleep( );
+    State = TX_TIMEOUT;
+    if(DEBUG_MESSAGE)
+        dprintf("> OnTxTimeout");
+}
+
+void OnRxTimeout(void *radio)
+{
+    *led3 = 0;
+    Radio->Sleep( );
+    Buffer[BufferSize-1] = 0;
+    State = RX_TIMEOUT;
+    if (DEBUG_MESSAGE)
+        dprintf("> OnRxTimeout");
+}
+
+void OnRxError(void *radio)
+{
+    Radio->Sleep( );
+    State = RX_ERROR;
+    if (DEBUG_MESSAGE)
+        dprintf("> OnRxError");
+}
+
+#endif
+
+
+int SX1276Comm(bool mode, bool ack)
+{    
+
+
+    Radio->Rx( RX_TIMEOUT_VALUE );
+    wait_ms(100);
+
+
+
+
+    /*switch( State ) {
+    
+        case RX:
+            Radio->Rx( RX_TIMEOUT_VALUE );  
+            
+            //memcpy(Buffer, commData, sizeof(Buffer));
+            //ser->printf("Rx Data\n\r", Buffer[0], Buffer[1], Buffer[2], Buffer[3]);
+            
+            //State = LOWPOWER;
+            break;
+        case TX:
+            
+            //State = LOWPOWER;
+            break;
+        case RX_TIMEOUT:
+            
+            Radio->Rx( RX_TIMEOUT_VALUE );
+            //State = LOWPOWER;
+            break;
+        case RX_ERROR:
+            
+            //wait_ms(10);
+            //Radio->Rx( RX_TIMEOUT_VALUE );
+            State = LOWPOWER;
+            break;
+        case TX_TIMEOUT:
+            
+            //State = LOWPOWER;
+            break;
+        case LOWPOWER:
+            sleep();
+            break;
+        default:
+            //State = LOWPOWER;
+            break;
+    }
+    */
+}
diff -r f84959c2e044 -r 17b932171aee main.h
--- a/main.h	Tue Jun 06 12:21:21 2017 +0000
+++ b/main.h	Tue Jan 02 06:32:31 2018 +0000
@@ -7,11 +7,51 @@
 #include "mbed.h"
 #include "PinMap.h"
 #include "BufferedSerial.h"
-#include "GenericPingPong.h"
+#include "sx1276-mbed-hal.h"
 
 void SystemClock_Config(void);
 
 extern BufferedSerial *ser;
 extern void dump(const char *title, const void *data, int len, bool dwords = false);
 
-#define dprintf(...) { ser->printf(__VA_ARGS__); ser->printf("\r\n"); }
\ No newline at end of file
+#define dprintf(...) { ser->printf(__VA_ARGS__); ser->printf("\r\n"); }
+
+int SX1276PingPong(void);
+int SX1276Comm(bool mode, bool ack);
+/*
+ * Callback functions prototypes
+ */
+/*!
+ * @brief Function to be executed on Radio Tx Done event
+ */
+void OnTxDone(void *radio);
+
+/*!
+ * @brief Function to be executed on Radio Rx Done event
+ */
+void OnRxDone(void *radio, uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr );
+
+/*!
+ * @brief Function executed on Radio Tx Timeout event
+ */
+void OnTxTimeout(void *radio);
+
+/*!
+ * @brief Function executed on Radio Rx Timeout event
+ */
+void OnRxTimeout(void *radio);
+
+/*!
+ * @brief Function executed on Radio Rx Error event
+ */
+void OnRxError(void *radio);
+
+/*!
+ * @brief Function executed on Radio Fhss Change Channel event
+ */
+void OnFhssChangeChannel(void *radio, uint8_t channelIndex );
+
+/*!
+ * @brief Function executed on CAD Done event
+ */
+void OnCadDone(void *radio);
\ No newline at end of file