Devin Alexander / Mbed OS MAX326xxFTHR_LoRa_RFM95

got this sample program for 2+ sx1276 modules to communicate in a ping pong fashion. This program has been tested and verified to run with 915MHz Hope RFM95 modules running with MAX32620FTHR and MAX32630FTHR micro controllers.

Dependencies:   BMI160 BufferedSerial SX1276GenericLib USBDeviceHT max32630fthr

Fork of STM32L0_LoRa by Helmut Tschemernjak

SX1276GenericPingPong/GenericPingPong.cpp@19:9f035b9e65ec, 2018-06-01 (annotated)

Committer:
dev_alexander
Date:
Fri Jun 01 22:07:08 2018 +0000
Revision:
19:9f035b9e65ec
Parent:
16:675f4d0ee9e9 
got this sample program for 2+ sx1276 modules to communicate in a ping pong fashion. This program has been tested and verified to run with 915MHz Hope RFM95 modules running with MAX32620FTHR and MAX32630FTHR micro controllers.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Helmut64 0:c43b6919ae15 1 /*
Helmut64 0:c43b6919ae15 2 * This file contains a copy of the master content sx1276PingPong
Helmut64 0:c43b6919ae15 3 * with adaption for the SX1276Generic environment
Helmut64 0:c43b6919ae15 4 * (c) 2017 Helmut Tschemernjak
Helmut64 0:c43b6919ae15 5 * 30826 Garbsen (Hannover) Germany
Helmut64 0:c43b6919ae15 6 */
Helmut64 0:c43b6919ae15 7
Helmut64 0:c43b6919ae15 8 #include "mbed.h"
Helmut64 0:c43b6919ae15 9 #include "PinMap.h"
Helmut64 0:c43b6919ae15 10 #include "GenericPingPong.h"
Helmut64 0:c43b6919ae15 11 #include "sx1276-mbed-hal.h"
Helmut64 0:c43b6919ae15 12 #include "main.h"
Helmut64 0:c43b6919ae15 13
Helmut64 0:c43b6919ae15 14 #ifdef FEATURE_LORA
Helmut64 0:c43b6919ae15 15
Helmut64 0:c43b6919ae15 16 /* Set this flag to '1' to display debug messages on the console */
Helmut64 0:c43b6919ae15 17 #define DEBUG_MESSAGE 1
Helmut64 0:c43b6919ae15 18
Helmut64 0:c43b6919ae15 19 /* Set this flag to '1' to use the LoRa modulation or to '0' to use FSK modulation */
Helmut64 0:c43b6919ae15 20 #define USE_MODEM_LORA 1
Helmut64 0:c43b6919ae15 21 #define USE_MODEM_FSK !USE_MODEM_LORA
dev_alexander 19:9f035b9e65ec 22 #define RF_FREQUENCY RF_FREQUENCY_915_0 // Hz
Helmut64 0:c43b6919ae15 23 #define TX_OUTPUT_POWER 14 // 14 dBm
Helmut64 0:c43b6919ae15 24
Helmut64 0:c43b6919ae15 25 #if USE_MODEM_LORA == 1
Helmut64 0:c43b6919ae15 26
Helmut64 7:6a8a82bfb0c6 27 #define LORA_BANDWIDTH 125000 // LoRa default, details in SX1276::BandwidthMap
Helmut64 0:c43b6919ae15 28 #define LORA_SPREADING_FACTOR LORA_SF7
Helmut64 0:c43b6919ae15 29 #define LORA_CODINGRATE LORA_ERROR_CODING_RATE_4_5
Helmut64 0:c43b6919ae15 30
Helmut64 0:c43b6919ae15 31 #define LORA_PREAMBLE_LENGTH 8 // Same for Tx and Rx
Helmut64 0:c43b6919ae15 32 #define LORA_SYMBOL_TIMEOUT 5 // Symbols
Helmut64 0:c43b6919ae15 33 #define LORA_FIX_LENGTH_PAYLOAD_ON false
Helmut64 0:c43b6919ae15 34 #define LORA_FHSS_ENABLED false
Helmut64 0:c43b6919ae15 35 #define LORA_NB_SYMB_HOP 4
Helmut64 0:c43b6919ae15 36 #define LORA_IQ_INVERSION_ON false
Helmut64 0:c43b6919ae15 37 #define LORA_CRC_ENABLED true
Helmut64 0:c43b6919ae15 38
Helmut64 0:c43b6919ae15 39 #elif USE_MODEM_FSK == 1
Helmut64 0:c43b6919ae15 40
Helmut64 0:c43b6919ae15 41 #define FSK_FDEV 25000 // Hz
Helmut64 0:c43b6919ae15 42 #define FSK_DATARATE 19200 // bps
Helmut64 0:c43b6919ae15 43 #define FSK_BANDWIDTH 50000 // Hz
Helmut64 0:c43b6919ae15 44 #define FSK_AFC_BANDWIDTH 83333 // Hz
Helmut64 0:c43b6919ae15 45 #define FSK_PREAMBLE_LENGTH 5 // Same for Tx and Rx
Helmut64 0:c43b6919ae15 46 #define FSK_FIX_LENGTH_PAYLOAD_ON false
Helmut64 0:c43b6919ae15 47 #define FSK_CRC_ENABLED true
Helmut64 0:c43b6919ae15 48
Helmut64 0:c43b6919ae15 49 #else
Helmut64 0:c43b6919ae15 50 #error "Please define a modem in the compiler options."
Helmut64 0:c43b6919ae15 51 #endif
Helmut64 0:c43b6919ae15 52
Helmut64 0:c43b6919ae15 53
Helmut64 0:c43b6919ae15 54 #define RX_TIMEOUT_VALUE 3500 // in ms
Helmut64 0:c43b6919ae15 55
Helmut64 0:c43b6919ae15 56 //#define BUFFER_SIZE 32 // Define the payload size here
Helmut64 0:c43b6919ae15 57 #define BUFFER_SIZE 64 // Define the payload size here
Helmut64 0:c43b6919ae15 58
Helmut64 0:c43b6919ae15 59 /*
Helmut64 0:c43b6919ae15 60 * Global variables declarations
Helmut64 0:c43b6919ae15 61 */
Helmut64 0:c43b6919ae15 62 typedef enum
Helmut64 0:c43b6919ae15 63 {
Helmut64 0:c43b6919ae15 64 LOWPOWER = 0,
Helmut64 0:c43b6919ae15 65 IDLE,
Helmut64 0:c43b6919ae15 66
Helmut64 0:c43b6919ae15 67 RX,
Helmut64 0:c43b6919ae15 68 RX_TIMEOUT,
Helmut64 0:c43b6919ae15 69 RX_ERROR,
Helmut64 0:c43b6919ae15 70
Helmut64 0:c43b6919ae15 71 TX,
Helmut64 0:c43b6919ae15 72 TX_TIMEOUT,
Helmut64 0:c43b6919ae15 73
Helmut64 0:c43b6919ae15 74 CAD,
Helmut64 0:c43b6919ae15 75 CAD_DONE
Helmut64 0:c43b6919ae15 76 } AppStates_t;
Helmut64 0:c43b6919ae15 77
Helmut64 0:c43b6919ae15 78 volatile AppStates_t State = LOWPOWER;
Helmut64 0:c43b6919ae15 79
Helmut64 0:c43b6919ae15 80 /*!
Helmut64 0:c43b6919ae15 81 * Radio events function pointer
Helmut64 0:c43b6919ae15 82 */
Helmut64 0:c43b6919ae15 83 static RadioEvents_t RadioEvents;
Helmut64 0:c43b6919ae15 84
Helmut64 0:c43b6919ae15 85 /*
Helmut64 0:c43b6919ae15 86 * Global variables declarations
Helmut64 0:c43b6919ae15 87 */
Helmut64 0:c43b6919ae15 88 SX1276Generic *Radio;
Helmut64 0:c43b6919ae15 89
Helmut64 0:c43b6919ae15 90
Helmut64 0:c43b6919ae15 91 const uint8_t PingMsg[] = { 0xff, 0xff, 0x00, 0x00, 'P', 'I', 'N', 'G'};// "PING";
Helmut64 0:c43b6919ae15 92 const uint8_t PongMsg[] = { 0xff, 0xff, 0x00, 0x00, 'P', 'O', 'N', 'G'};// "PONG";
Helmut64 0:c43b6919ae15 93
Helmut64 0:c43b6919ae15 94 uint16_t BufferSize = BUFFER_SIZE;
Helmut64 0:c43b6919ae15 95 uint8_t *Buffer;
Helmut64 0:c43b6919ae15 96
Helmut64 0:c43b6919ae15 97 DigitalOut *led3;
Helmut64 0:c43b6919ae15 98
Helmut64 0:c43b6919ae15 99
dev_alexander 19:9f035b9e65ec 100 int SX1276PingPong(void)
Helmut64 0:c43b6919ae15 101 {
dev_alexander 19:9f035b9e65ec 102 dprintf("TEST" );
Helmut64 0:c43b6919ae15 103 #if( defined ( TARGET_KL25Z ) || defined ( TARGET_LPC11U6X ) )
Helmut64 0:c43b6919ae15 104 DigitalOut *led = new DigitalOut(LED2);
Helmut64 13:5a32a1922fbc 105 #elif defined(TARGET_NUCLEO_L073RZ) || defined(TARGET_DISCO_L072CZ_LRWAN1)
Helmut64 0:c43b6919ae15 106 DigitalOut *led = new DigitalOut(LED4); // RX red
Helmut64 0:c43b6919ae15 107 led3 = new DigitalOut(LED3); // TX blue
Helmut64 0:c43b6919ae15 108 #else
Helmut64 0:c43b6919ae15 109 DigitalOut *led = new DigitalOut(LED1);
Helmut64 0:c43b6919ae15 110 led3 = led;
Helmut64 0:c43b6919ae15 111 #endif
Helmut64 0:c43b6919ae15 112
Helmut64 0:c43b6919ae15 113 Buffer = new uint8_t[BUFFER_SIZE];
Helmut64 0:c43b6919ae15 114 *led3 = 1;
Helmut64 0:c43b6919ae15 115
Helmut64 0:c43b6919ae15 116 #ifdef B_L072Z_LRWAN1_LORA
Helmut64 0:c43b6919ae15 117 Radio = new SX1276Generic(NULL, MURATA_SX1276,
Helmut64 0:c43b6919ae15 118 LORA_SPI_MOSI, LORA_SPI_MISO, LORA_SPI_SCLK, LORA_CS, LORA_RESET,
Helmut64 0:c43b6919ae15 119 LORA_DIO0, LORA_DIO1, LORA_DIO2, LORA_DIO3, LORA_DIO4, LORA_DIO5,
Helmut64 0:c43b6919ae15 120 LORA_ANT_RX, LORA_ANT_TX, LORA_ANT_BOOST, LORA_TCXO);
Helmut64 0:c43b6919ae15 121 #else // RFM95
Helmut64 0:c43b6919ae15 122 Radio = new SX1276Generic(NULL, RFM95_SX1276,
Helmut64 0:c43b6919ae15 123 LORA_SPI_MOSI, LORA_SPI_MISO, LORA_SPI_SCLK, LORA_CS, LORA_RESET,
Helmut64 0:c43b6919ae15 124 LORA_DIO0, LORA_DIO1, LORA_DIO2, LORA_DIO3, LORA_DIO4, LORA_DIO5);
Helmut64 0:c43b6919ae15 125
Helmut64 0:c43b6919ae15 126 #endif
Helmut64 0:c43b6919ae15 127
Helmut64 0:c43b6919ae15 128 uint8_t i;
Helmut64 0:c43b6919ae15 129 bool isMaster = true;
Helmut64 0:c43b6919ae15 130
Helmut64 0:c43b6919ae15 131 dprintf("SX1276 Ping Pong Demo Application" );
Helmut64 0:c43b6919ae15 132 dprintf("Freqency: %.1f", (double)RF_FREQUENCY/1000000.0);
Helmut64 0:c43b6919ae15 133 dprintf("TXPower: %d dBm", TX_OUTPUT_POWER);
Helmut64 0:c43b6919ae15 134 #if USE_MODEM_LORA == 1
Helmut64 8:3b0d7b4ff28f 135 dprintf("Bandwidth: %d Hz", LORA_BANDWIDTH);
Helmut64 0:c43b6919ae15 136 dprintf("Spreading factor: SF%d", LORA_SPREADING_FACTOR);
Helmut64 0:c43b6919ae15 137 #elif USE_MODEM_FSK == 1
Helmut64 0:c43b6919ae15 138 dprintf("Bandwidth: %d kHz", FSK_BANDWIDTH);
Helmut64 0:c43b6919ae15 139 dprintf("Baudrate: %d", FSK_DATARATE);
Helmut64 0:c43b6919ae15 140 #endif
Helmut64 0:c43b6919ae15 141 // Initialize Radio driver
Helmut64 0:c43b6919ae15 142 RadioEvents.TxDone = OnTxDone;
Helmut64 0:c43b6919ae15 143 RadioEvents.RxDone = OnRxDone;
Helmut64 0:c43b6919ae15 144 RadioEvents.RxError = OnRxError;
Helmut64 0:c43b6919ae15 145 RadioEvents.TxTimeout = OnTxTimeout;
Helmut64 6:1b598b0e52e4 146 RadioEvents.RxTimeout = OnRxTimeout;
Helmut64 6:1b598b0e52e4 147 if (Radio->Init( &RadioEvents ) == false) {
Helmut64 6:1b598b0e52e4 148 while(1) {
Helmut64 6:1b598b0e52e4 149 dprintf("Radio could not be detected!");
Helmut64 6:1b598b0e52e4 150 wait( 1 );
Helmut64 6:1b598b0e52e4 151 }
Helmut64 0:c43b6919ae15 152 }
Helmut64 6:1b598b0e52e4 153
Helmut64 0:c43b6919ae15 154
Helmut64 0:c43b6919ae15 155 switch(Radio->DetectBoardType()) {
Helmut64 0:c43b6919ae15 156 case SX1276MB1LAS:
Helmut64 0:c43b6919ae15 157 if (DEBUG_MESSAGE)
Helmut64 0:c43b6919ae15 158 dprintf(" > Board Type: SX1276MB1LAS <");
Helmut64 0:c43b6919ae15 159 break;
Helmut64 0:c43b6919ae15 160 case SX1276MB1MAS:
Helmut64 0:c43b6919ae15 161 if (DEBUG_MESSAGE)
Helmut64 0:c43b6919ae15 162 dprintf(" > Board Type: SX1276MB1LAS <");
Helmut64 0:c43b6919ae15 163 case MURATA_SX1276:
Helmut64 0:c43b6919ae15 164 if (DEBUG_MESSAGE)
Helmut64 0:c43b6919ae15 165 dprintf(" > Board Type: MURATA_SX1276_STM32L0 <");
Helmut64 0:c43b6919ae15 166 break;
Helmut64 0:c43b6919ae15 167 case RFM95_SX1276:
Helmut64 0:c43b6919ae15 168 if (DEBUG_MESSAGE)
Helmut64 0:c43b6919ae15 169 dprintf(" > HopeRF RFM95xx <");
Helmut64 0:c43b6919ae15 170 break;
Helmut64 0:c43b6919ae15 171 default:
Helmut64 0:c43b6919ae15 172 dprintf(" > Board Type: unknown <");
Helmut64 0:c43b6919ae15 173 }
Helmut64 0:c43b6919ae15 174
Helmut64 0:c43b6919ae15 175 Radio->SetChannel(RF_FREQUENCY );
Helmut64 0:c43b6919ae15 176
Helmut64 0:c43b6919ae15 177 #if USE_MODEM_LORA == 1
Helmut64 0:c43b6919ae15 178
Helmut64 0:c43b6919ae15 179 if (LORA_FHSS_ENABLED)
Helmut64 0:c43b6919ae15 180 dprintf(" > LORA FHSS Mode <");
Helmut64 0:c43b6919ae15 181 if (!LORA_FHSS_ENABLED)
Helmut64 0:c43b6919ae15 182 dprintf(" > LORA Mode <");
Helmut64 0:c43b6919ae15 183
Helmut64 0:c43b6919ae15 184 Radio->SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, LORA_BANDWIDTH,
Helmut64 0:c43b6919ae15 185 LORA_SPREADING_FACTOR, LORA_CODINGRATE,
Helmut64 0:c43b6919ae15 186 LORA_PREAMBLE_LENGTH, LORA_FIX_LENGTH_PAYLOAD_ON,
Helmut64 0:c43b6919ae15 187 LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP,
Helmut64 0:c43b6919ae15 188 LORA_IQ_INVERSION_ON, 2000 );
Helmut64 0:c43b6919ae15 189
Helmut64 0:c43b6919ae15 190 Radio->SetRxConfig( MODEM_LORA, LORA_BANDWIDTH, LORA_SPREADING_FACTOR,
Helmut64 0:c43b6919ae15 191 LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH,
Helmut64 0:c43b6919ae15 192 LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON, 0,
Helmut64 0:c43b6919ae15 193 LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP,
Helmut64 0:c43b6919ae15 194 LORA_IQ_INVERSION_ON, true );
Helmut64 0:c43b6919ae15 195
Helmut64 0:c43b6919ae15 196 #elif USE_MODEM_FSK == 1
Helmut64 0:c43b6919ae15 197
Helmut64 0:c43b6919ae15 198 dprintf(" > FSK Mode <");
Helmut64 0:c43b6919ae15 199 Radio->SetTxConfig( MODEM_FSK, TX_OUTPUT_POWER, FSK_FDEV, 0,
Helmut64 0:c43b6919ae15 200 FSK_DATARATE, 0,
Helmut64 0:c43b6919ae15 201 FSK_PREAMBLE_LENGTH, FSK_FIX_LENGTH_PAYLOAD_ON,
Helmut64 0:c43b6919ae15 202 FSK_CRC_ENABLED, 0, 0, 0, 2000 );
Helmut64 0:c43b6919ae15 203
Helmut64 0:c43b6919ae15 204 Radio->SetRxConfig( MODEM_FSK, FSK_BANDWIDTH, FSK_DATARATE,
Helmut64 0:c43b6919ae15 205 0, FSK_AFC_BANDWIDTH, FSK_PREAMBLE_LENGTH,
Helmut64 0:c43b6919ae15 206 0, FSK_FIX_LENGTH_PAYLOAD_ON, 0, FSK_CRC_ENABLED,
Helmut64 0:c43b6919ae15 207 0, 0, false, true );
Helmut64 0:c43b6919ae15 208
Helmut64 0:c43b6919ae15 209 #else
Helmut64 0:c43b6919ae15 210
Helmut64 0:c43b6919ae15 211 #error "Please define a modem in the compiler options."
Helmut64 0:c43b6919ae15 212
Helmut64 0:c43b6919ae15 213 #endif
Helmut64 0:c43b6919ae15 214
Helmut64 0:c43b6919ae15 215 if (DEBUG_MESSAGE)
Helmut64 0:c43b6919ae15 216 dprintf("Starting Ping-Pong loop");
Helmut64 0:c43b6919ae15 217
Helmut64 0:c43b6919ae15 218
Helmut64 0:c43b6919ae15 219 Radio->Rx( RX_TIMEOUT_VALUE );
Helmut64 0:c43b6919ae15 220
Helmut64 0:c43b6919ae15 221 while( 1 )
Helmut64 0:c43b6919ae15 222 {
Helmut64 0:c43b6919ae15 223 #ifdef TARGET_STM32L4
Helmut64 16:675f4d0ee9e9 224 // WatchDogUpdate();
Helmut64 0:c43b6919ae15 225 #endif
Helmut64 0:c43b6919ae15 226
Helmut64 0:c43b6919ae15 227 switch( State )
Helmut64 0:c43b6919ae15 228 {
Helmut64 0:c43b6919ae15 229 case RX:
Helmut64 0:c43b6919ae15 230 *led3 = 0;
Helmut64 0:c43b6919ae15 231 if( isMaster == true )
Helmut64 0:c43b6919ae15 232 {
Helmut64 0:c43b6919ae15 233 if( BufferSize > 0 )
Helmut64 0:c43b6919ae15 234 {
Helmut64 0:c43b6919ae15 235 if( memcmp(Buffer, PongMsg, sizeof(PongMsg)) == 0 )
Helmut64 0:c43b6919ae15 236 {
Helmut64 0:c43b6919ae15 237 *led = !*led;
Helmut64 0:c43b6919ae15 238 dprintf( "...Pong" );
Helmut64 0:c43b6919ae15 239 // Send the next PING frame
Helmut64 0:c43b6919ae15 240 memcpy(Buffer, PingMsg, sizeof(PingMsg));
Helmut64 0:c43b6919ae15 241 // We fill the buffer with numbers for the payload
Helmut64 0:c43b6919ae15 242 for( i = sizeof(PingMsg); i < BufferSize; i++ )
Helmut64 0:c43b6919ae15 243 {
Helmut64 0:c43b6919ae15 244 Buffer[i] = i - sizeof(PingMsg);
Helmut64 0:c43b6919ae15 245 }
Helmut64 0:c43b6919ae15 246 wait_ms( 10 );
Helmut64 0:c43b6919ae15 247 Radio->Send( Buffer, BufferSize );
Helmut64 0:c43b6919ae15 248 }
Helmut64 0:c43b6919ae15 249 else if( memcmp(Buffer, PingMsg, sizeof(PingMsg)) == 0 )
Helmut64 0:c43b6919ae15 250 { // A master already exists then become a slave
Helmut64 0:c43b6919ae15 251 dprintf( "...Ping" );
Helmut64 0:c43b6919ae15 252 *led = !*led;
Helmut64 0:c43b6919ae15 253 isMaster = false;
Helmut64 0:c43b6919ae15 254 // Send the next PONG frame
Helmut64 0:c43b6919ae15 255 memcpy(Buffer, PongMsg, sizeof(PongMsg));
Helmut64 0:c43b6919ae15 256 // We fill the buffer with numbers for the payload
Helmut64 0:c43b6919ae15 257 for( i = sizeof(PongMsg); i < BufferSize; i++ )
Helmut64 0:c43b6919ae15 258 {
Helmut64 0:c43b6919ae15 259 Buffer[i] = i - sizeof(PongMsg);
Helmut64 0:c43b6919ae15 260 }
Helmut64 0:c43b6919ae15 261 wait_ms( 10 );
Helmut64 0:c43b6919ae15 262 Radio->Send( Buffer, BufferSize );
Helmut64 0:c43b6919ae15 263 }
Helmut64 0:c43b6919ae15 264 else // valid reception but neither a PING or a PONG message
Helmut64 0:c43b6919ae15 265 { // Set device as master ans start again
Helmut64 0:c43b6919ae15 266 isMaster = true;
Helmut64 0:c43b6919ae15 267 Radio->Rx( RX_TIMEOUT_VALUE );
Helmut64 0:c43b6919ae15 268 }
Helmut64 0:c43b6919ae15 269 }
Helmut64 0:c43b6919ae15 270 }
Helmut64 0:c43b6919ae15 271 else
Helmut64 0:c43b6919ae15 272 {
Helmut64 0:c43b6919ae15 273 if( BufferSize > 0 )
Helmut64 0:c43b6919ae15 274 {
Helmut64 0:c43b6919ae15 275 if( memcmp(Buffer, PingMsg, sizeof(PingMsg)) == 0 )
Helmut64 0:c43b6919ae15 276 {
Helmut64 0:c43b6919ae15 277 *led = !*led;
Helmut64 0:c43b6919ae15 278 dprintf( "...Ping" );
Helmut64 0:c43b6919ae15 279 // Send the reply to the PING string
Helmut64 0:c43b6919ae15 280 memcpy(Buffer, PongMsg, sizeof(PongMsg));
Helmut64 0:c43b6919ae15 281 // We fill the buffer with numbers for the payload
Helmut64 0:c43b6919ae15 282 for( i = sizeof(PongMsg); i < BufferSize; i++ )
Helmut64 0:c43b6919ae15 283 {
Helmut64 0:c43b6919ae15 284 Buffer[i] = i - sizeof(PongMsg);
Helmut64 0:c43b6919ae15 285 }
Helmut64 0:c43b6919ae15 286 wait_ms( 10 );
Helmut64 0:c43b6919ae15 287 Radio->Send( Buffer, BufferSize );
Helmut64 0:c43b6919ae15 288 }
Helmut64 0:c43b6919ae15 289 else // valid reception but not a PING as expected
Helmut64 0:c43b6919ae15 290 { // Set device as master and start again
Helmut64 0:c43b6919ae15 291 isMaster = true;
Helmut64 0:c43b6919ae15 292 Radio->Rx( RX_TIMEOUT_VALUE );
Helmut64 0:c43b6919ae15 293 }
Helmut64 0:c43b6919ae15 294 }
Helmut64 0:c43b6919ae15 295 }
Helmut64 0:c43b6919ae15 296 State = LOWPOWER;
Helmut64 0:c43b6919ae15 297 break;
Helmut64 0:c43b6919ae15 298 case TX:
Helmut64 0:c43b6919ae15 299 *led3 = 1;
Helmut64 0:c43b6919ae15 300 if( isMaster == true )
Helmut64 0:c43b6919ae15 301 {
Helmut64 0:c43b6919ae15 302 dprintf("Ping..." );
Helmut64 0:c43b6919ae15 303 }
Helmut64 0:c43b6919ae15 304 else
Helmut64 0:c43b6919ae15 305 {
Helmut64 0:c43b6919ae15 306 dprintf("Pong..." );
Helmut64 0:c43b6919ae15 307 }
Helmut64 0:c43b6919ae15 308 Radio->Rx( RX_TIMEOUT_VALUE );
Helmut64 0:c43b6919ae15 309 State = LOWPOWER;
Helmut64 0:c43b6919ae15 310 break;
Helmut64 0:c43b6919ae15 311 case RX_TIMEOUT:
Helmut64 0:c43b6919ae15 312 if( isMaster == true )
Helmut64 0:c43b6919ae15 313 {
Helmut64 0:c43b6919ae15 314 // Send the next PING frame
Helmut64 0:c43b6919ae15 315 memcpy(Buffer, PingMsg, sizeof(PingMsg));
Helmut64 0:c43b6919ae15 316 for( i = sizeof(PingMsg); i < BufferSize; i++ )
Helmut64 0:c43b6919ae15 317 {
Helmut64 0:c43b6919ae15 318 Buffer[i] = i - sizeof(PingMsg);
Helmut64 0:c43b6919ae15 319 }
Helmut64 0:c43b6919ae15 320 wait_ms( 10 );
Helmut64 0:c43b6919ae15 321 Radio->Send( Buffer, BufferSize );
Helmut64 0:c43b6919ae15 322 }
Helmut64 0:c43b6919ae15 323 else
Helmut64 0:c43b6919ae15 324 {
Helmut64 0:c43b6919ae15 325 Radio->Rx( RX_TIMEOUT_VALUE );
Helmut64 0:c43b6919ae15 326 }
Helmut64 0:c43b6919ae15 327 State = LOWPOWER;
Helmut64 0:c43b6919ae15 328 break;
Helmut64 0:c43b6919ae15 329 case RX_ERROR:
Helmut64 0:c43b6919ae15 330 // We have received a Packet with a CRC error, send reply as if packet was correct
Helmut64 0:c43b6919ae15 331 if( isMaster == true )
Helmut64 0:c43b6919ae15 332 {
Helmut64 0:c43b6919ae15 333 // Send the next PING frame
Helmut64 0:c43b6919ae15 334 memcpy(Buffer, PingMsg, sizeof(PingMsg));
Helmut64 0:c43b6919ae15 335 for( i = 4; i < BufferSize; i++ )
Helmut64 0:c43b6919ae15 336 {
Helmut64 0:c43b6919ae15 337 Buffer[i] = i - 4;
Helmut64 0:c43b6919ae15 338 }
Helmut64 0:c43b6919ae15 339 wait_ms( 10 );
Helmut64 0:c43b6919ae15 340 Radio->Send( Buffer, BufferSize );
Helmut64 0:c43b6919ae15 341 }
Helmut64 0:c43b6919ae15 342 else
Helmut64 0:c43b6919ae15 343 {
Helmut64 0:c43b6919ae15 344 // Send the next PONG frame
Helmut64 0:c43b6919ae15 345 memcpy(Buffer, PongMsg, sizeof(PongMsg));
Helmut64 0:c43b6919ae15 346 for( i = sizeof(PongMsg); i < BufferSize; i++ )
Helmut64 0:c43b6919ae15 347 {
Helmut64 0:c43b6919ae15 348 Buffer[i] = i - sizeof(PongMsg);
Helmut64 0:c43b6919ae15 349 }
Helmut64 0:c43b6919ae15 350 wait_ms( 10 );
Helmut64 0:c43b6919ae15 351 Radio->Send( Buffer, BufferSize );
Helmut64 0:c43b6919ae15 352 }
Helmut64 0:c43b6919ae15 353 State = LOWPOWER;
Helmut64 0:c43b6919ae15 354 break;
Helmut64 0:c43b6919ae15 355 case TX_TIMEOUT:
Helmut64 0:c43b6919ae15 356 Radio->Rx( RX_TIMEOUT_VALUE );
Helmut64 0:c43b6919ae15 357 State = LOWPOWER;
Helmut64 0:c43b6919ae15 358 break;
Helmut64 0:c43b6919ae15 359 case LOWPOWER:
Helmut64 1:65d602e2d746 360 sleep();
Helmut64 0:c43b6919ae15 361 break;
Helmut64 0:c43b6919ae15 362 default:
Helmut64 0:c43b6919ae15 363 State = LOWPOWER;
Helmut64 0:c43b6919ae15 364 break;
Helmut64 0:c43b6919ae15 365 }
Helmut64 0:c43b6919ae15 366 }
Helmut64 0:c43b6919ae15 367 }
Helmut64 0:c43b6919ae15 368
Helmut64 11:d3a591c20cd7 369 void OnTxDone(void *radio, void *userThisPtr, void *userData)
Helmut64 0:c43b6919ae15 370 {
Helmut64 0:c43b6919ae15 371 Radio->Sleep( );
Helmut64 0:c43b6919ae15 372 State = TX;
Helmut64 0:c43b6919ae15 373 if (DEBUG_MESSAGE)
Helmut64 0:c43b6919ae15 374 dprintf("> OnTxDone");
Helmut64 0:c43b6919ae15 375 }
Helmut64 0:c43b6919ae15 376
Helmut64 11:d3a591c20cd7 377 void OnRxDone(void *radio, void *userThisPtr, void *userData, uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr)
Helmut64 0:c43b6919ae15 378 {
Helmut64 0:c43b6919ae15 379 Radio->Sleep( );
Helmut64 0:c43b6919ae15 380 BufferSize = size;
Helmut64 0:c43b6919ae15 381 memcpy( Buffer, payload, BufferSize );
Helmut64 0:c43b6919ae15 382 State = RX;
Helmut64 0:c43b6919ae15 383 if (DEBUG_MESSAGE)
Helmut64 0:c43b6919ae15 384 dprintf("> OnRxDone: RssiValue=%d dBm, SnrValue=%d", rssi, snr);
Helmut64 0:c43b6919ae15 385 dump("Data:", payload, size);
Helmut64 0:c43b6919ae15 386 }
Helmut64 0:c43b6919ae15 387
Helmut64 11:d3a591c20cd7 388 void OnTxTimeout(void *radio, void *userThisPtr, void *userData)
Helmut64 0:c43b6919ae15 389 {
Helmut64 0:c43b6919ae15 390 *led3 = 0;
Helmut64 0:c43b6919ae15 391 Radio->Sleep( );
Helmut64 0:c43b6919ae15 392 State = TX_TIMEOUT;
Helmut64 0:c43b6919ae15 393 if(DEBUG_MESSAGE)
Helmut64 0:c43b6919ae15 394 dprintf("> OnTxTimeout");
Helmut64 0:c43b6919ae15 395 }
Helmut64 0:c43b6919ae15 396
Helmut64 11:d3a591c20cd7 397 void OnRxTimeout(void *radio, void *userThisPtr, void *userData)
Helmut64 0:c43b6919ae15 398 {
Helmut64 0:c43b6919ae15 399 *led3 = 0;
Helmut64 0:c43b6919ae15 400 Radio->Sleep( );
Helmut64 0:c43b6919ae15 401 Buffer[BufferSize-1] = 0;
Helmut64 0:c43b6919ae15 402 State = RX_TIMEOUT;
Helmut64 0:c43b6919ae15 403 if (DEBUG_MESSAGE)
Helmut64 0:c43b6919ae15 404 dprintf("> OnRxTimeout");
Helmut64 0:c43b6919ae15 405 }
Helmut64 0:c43b6919ae15 406
Helmut64 11:d3a591c20cd7 407 void OnRxError(void *radio, void *userThisPtr, void *userData)
Helmut64 0:c43b6919ae15 408 {
Helmut64 0:c43b6919ae15 409 Radio->Sleep( );
Helmut64 0:c43b6919ae15 410 State = RX_ERROR;
Helmut64 0:c43b6919ae15 411 if (DEBUG_MESSAGE)
Helmut64 0:c43b6919ae15 412 dprintf("> OnRxError");
Helmut64 0:c43b6919ae15 413 }
Helmut64 0:c43b6919ae15 414
Helmut64 0:c43b6919ae15 415 #endif