Guillou Glenn
/
prog_recevoir_v3
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Dependencies: SX1272Lib mbed-src mbed
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main.cpp
00001 #include "mbed.h" 00002 #include "main.h" 00003 #include "sx1272-hal.h" 00004 #include "debug.h" 00005 //POUR TROUVER MES PODIFICATIONS, RECHERCHE LE MOT "jo" AVEC CTRL+F 00006 /* Set this flag to '1' to display debug messages on the console */ 00007 #define DEBUG_MESSAGE 1 00008 00009 /* Set this flag to '1' to use the LoRa modulation or to '0' to use FSK modulation */ 00010 #define USE_MODEM_LORA 1 00011 #define USE_MODEM_FSK !USE_MODEM_LORA 00012 00013 #define RF_FREQUENCY 868000000 // Hz 00014 #define TX_OUTPUT_POWER 14 // 14 dBm 00015 00016 #if USE_MODEM_LORA == 1 00017 00018 #define LORA_BANDWIDTH 2 // [0: 125 kHz, 00019 // 1: 250 kHz, 00020 // 2: 500 kHz, 00021 // 3: Reserved] 00022 #define LORA_SPREADING_FACTOR 7 // [SF7..SF12] 00023 #define LORA_CODINGRATE 1 // [1: 4/5, 00024 // 2: 4/6, 00025 // 3: 4/7, 00026 // 4: 4/8] 00027 #define LORA_PREAMBLE_LENGTH 8 // Same for Tx and Rx 00028 #define LORA_SYMBOL_TIMEOUT 5 // Symbols 00029 #define LORA_FIX_LENGTH_PAYLOAD_ON false 00030 #define LORA_FHSS_ENABLED false 00031 #define LORA_NB_SYMB_HOP 4 00032 #define LORA_IQ_INVERSION_ON false 00033 #define LORA_CRC_ENABLED true 00034 00035 #elif USE_MODEM_FSK == 1 00036 00037 #define FSK_FDEV 25000 // Hz 00038 #define FSK_DATARATE 19200 // bps 00039 #define FSK_BANDWIDTH 50000 // Hz 00040 #define FSK_AFC_BANDWIDTH 83333 // Hz 00041 #define FSK_PREAMBLE_LENGTH 5 // Same for Tx and Rx 00042 #define FSK_FIX_LENGTH_PAYLOAD_ON false 00043 #define FSK_CRC_ENABLED true 00044 00045 #else 00046 #error "Please define a modem in the compiler options." 00047 #endif 00048 00049 #define RX_TIMEOUT_VALUE 3500000 // in us 00050 #define BUFFER_SIZE 32 // Define the payload size here 00051 00052 #if( defined ( TARGET_KL25Z ) || defined ( TARGET_LPC11U6X ) ) 00053 DigitalOut led(LED2); 00054 #else 00055 DigitalOut led(LED1); 00056 #endif 00057 00058 //Jonathan 00059 00060 00061 // 00062 /* 00063 * Global variables declarations 00064 */ 00065 typedef enum 00066 { 00067 LOWPOWER = 0, 00068 IDLE, 00069 00070 RX, 00071 RX_TIMEOUT, 00072 RX_ERROR, 00073 00074 TX, 00075 TX_TIMEOUT, 00076 00077 CAD, 00078 CAD_DONE 00079 }AppStates_t; 00080 00081 volatile AppStates_t State = LOWPOWER; 00082 00083 /*! 00084 * Radio events function pointer 00085 */ 00086 static RadioEvents_t RadioEvents; 00087 00088 /* 00089 * Global variables declarations 00090 */ 00091 SX1272MB2xAS Radio( NULL ); 00092 00093 const uint8_t PingMsg[] = "PING"; 00094 const uint8_t PongMsg[] = "PONG"; 00095 00096 /*const uint8_t PingMsg[] = 42; 00097 const uint8_t PongMsg[] = "Message reçu !";*/ 00098 00099 uint16_t BufferSize = BUFFER_SIZE; 00100 uint8_t Buffer[BUFFER_SIZE]; 00101 00102 int16_t RssiValue = 0.0; 00103 int8_t SnrValue = 0.0; 00104 00105 00106 00107 00108 int main() 00109 { 00110 uint8_t i; 00111 bool isMaster = true; 00112 00113 bool channel; 00114 00115 channel = Radio.IsChannelFree(MODEM_LORA,9000000,RssiValue); 00116 debug("le channel est %d\n",channel); 00117 00118 debug( "\n\n\r SX1272 Ping Pong Demo Application \n\n\r" ); 00119 00120 // Initialize Radio driver 00121 RadioEvents.TxDone = OnTxDone; 00122 RadioEvents.RxDone = OnRxDone; 00123 RadioEvents.RxError = OnRxError; 00124 RadioEvents.TxTimeout = OnTxTimeout; 00125 RadioEvents.RxTimeout = OnRxTimeout; 00126 Radio.Init( &RadioEvents ); 00127 00128 00129 00130 00131 // 00132 00133 // verify the connection with the board 00134 while( Radio.Read( REG_VERSION ) == 0x00 ) 00135 { 00136 debug( "Radio could not be detected!\n\r", NULL ); 00137 wait( 1 ); 00138 } 00139 00140 debug_if( ( DEBUG_MESSAGE & ( Radio.DetectBoardType( ) == SX1272MB2XAS ) ) , "\n\r > Board Type: SX1272MB2xAS < \n\r" ); 00141 00142 Radio.SetChannel( RF_FREQUENCY ); 00143 00144 #if USE_MODEM_LORA == 1 00145 00146 debug_if( LORA_FHSS_ENABLED, "\n\n\r > LORA FHSS Mode < \n\n\r"); 00147 debug_if( !LORA_FHSS_ENABLED, "\n\n\r > LORA Mode < \n\n\r"); 00148 00149 Radio.SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, LORA_BANDWIDTH, 00150 LORA_SPREADING_FACTOR, LORA_CODINGRATE, 00151 LORA_PREAMBLE_LENGTH, LORA_FIX_LENGTH_PAYLOAD_ON, 00152 LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP, 00153 LORA_IQ_INVERSION_ON, 2000000 ); 00154 00155 Radio.SetRxConfig( MODEM_LORA, LORA_BANDWIDTH, LORA_SPREADING_FACTOR, 00156 LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH, 00157 LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON, 0, 00158 LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP, 00159 LORA_IQ_INVERSION_ON, true ); 00160 00161 #elif USE_MODEM_FSK == 1 00162 00163 debug("\n\n\r > FSK Mode < \n\n\r"); 00164 Radio.SetTxConfig( MODEM_FSK, TX_OUTPUT_POWER, FSK_FDEV, 0, 00165 FSK_DATARATE, 0, 00166 FSK_PREAMBLE_LENGTH, FSK_FIX_LENGTH_PAYLOAD_ON, 00167 FSK_CRC_ENABLED, 0, 0, 0, 2000000 ); 00168 00169 Radio.SetRxConfig( MODEM_FSK, FSK_BANDWIDTH, FSK_DATARATE, 00170 0, FSK_AFC_BANDWIDTH, FSK_PREAMBLE_LENGTH, 00171 0, FSK_FIX_LENGTH_PAYLOAD_ON, 0, FSK_CRC_ENABLED, 00172 0, 0, false, true ); 00173 00174 #else 00175 00176 #error "Please define a modem in the compiler options." 00177 00178 #endif 00179 00180 debug_if( DEBUG_MESSAGE, "Starting Ping-Pong loop\r\n" ); 00181 00182 led = 0; 00183 00184 Radio.Rx( RX_TIMEOUT_VALUE ); 00185 uint8_t val_res[4]; 00186 uint8_t val_condu[4]; 00187 uint8_t val_tempe[4]; 00188 uint8_t val_humi[4]; 00189 float somme; 00190 float somme_condu; 00191 float somme_tempe; 00192 float somme_humi; 00193 wait(1); 00194 //on remplit le buffer a 0 00195 for( i = 0; i < BufferSize; i++ ) 00196 { 00197 Buffer[i] =0; 00198 } 00199 00200 while( 1 ) 00201 { 00202 wait(2); 00203 switch( State ) 00204 { 00205 case RX: 00206 if( isMaster == true ) 00207 { 00208 if( BufferSize > 0 ) 00209 { 00210 if( Buffer[1] == 0 and Buffer[3]==0) 00211 { 00212 led = !led; 00213 debug( "\r\n" ); 00214 Buffer[0]=1; 00215 00216 wait_ms( 1000 ); 00217 Radio.Send( Buffer, BufferSize ); 00218 } 00219 else if(Buffer[1]==1 and Buffer[3]==0) 00220 { // A master already exists then become a slave 00221 debug( "On recoit les valeurs de A\r\n" ); 00222 00223 led = !led; 00224 //isMaster = false; 00225 // Send the next PONG frame 00226 strcpy( ( char* )Buffer, ( char* )PongMsg ); 00227 //debug("buf 0 %d\n",Buffer[0]); 00228 val_res[0]=Buffer[4]; 00229 val_res[1]=Buffer[5]; 00230 val_res[2]=Buffer[6]; 00231 val_res[3]=Buffer[7]; 00232 somme=*( (float*)(val_res )); 00233 //debug("Val res 0 vaut dans RX : %d\n",val_res[0]); 00234 //debug("somme vaut : %f\n",somme); 00235 val_condu[0]=Buffer[8]; 00236 val_condu[1]=Buffer[9]; 00237 val_condu[2]=Buffer[10]; 00238 val_condu[3]=Buffer[11]; 00239 somme_condu=*( (float*)(val_condu )); 00240 00241 val_tempe[0]=Buffer[12]; 00242 val_tempe[1]=Buffer[13]; 00243 val_tempe[2]=Buffer[14]; 00244 val_tempe[3]=Buffer[15]; 00245 somme_tempe=*( (float*)(val_tempe )); 00246 00247 val_humi[0]=Buffer[16]; 00248 val_humi[1]=Buffer[17]; 00249 val_humi[2]=Buffer[18]; 00250 val_humi[3]=Buffer[19]; 00251 somme_humi=*( (float*)(val_humi )); 00252 // We fill the buffer with numbers for the payload 00253 for( i = 20; i < BufferSize; i++ ) 00254 { 00255 Buffer[i] = i - 20; 00256 } 00257 Buffer[0]=0; 00258 Buffer[2]=1; 00259 somme=somme/10000; 00260 somme_tempe=somme_tempe/100; 00261 somme_humi=somme_humi/1000; 00262 debug("A %f R,%f C,%f T,%f H\n",somme,somme_condu,somme_tempe,somme_humi); 00263 wait_ms( 1000 ); 00264 00265 Radio.Send( Buffer, BufferSize ); 00266 //wait(10); 00267 } 00268 else if(Buffer[3]==1 and Buffer[1]==0) 00269 { // A master already exists then become a slave 00270 debug( "On recoit les valeurs de A\r\n" ); 00271 00272 led = !led; 00273 //isMaster = false; 00274 // Send the next PONG frame 00275 strcpy( ( char* )Buffer, ( char* )PongMsg ); 00276 //debug("buf 0 %d\n",Buffer[0]); 00277 val_res[0]=Buffer[4]; 00278 val_res[1]=Buffer[5]; 00279 val_res[2]=Buffer[6]; 00280 val_res[3]=Buffer[7]; 00281 somme=*( (float*)(val_res )); 00282 //debug("Val res 0 vaut dans RX : %d\n",val_res[0]); 00283 //debug("somme vaut : %f\n",somme); 00284 val_condu[0]=Buffer[8]; 00285 val_condu[1]=Buffer[9]; 00286 val_condu[2]=Buffer[10]; 00287 val_condu[3]=Buffer[11]; 00288 somme_condu=*( (float*)(val_condu )); 00289 00290 val_tempe[0]=Buffer[12]; 00291 val_tempe[1]=Buffer[13]; 00292 val_tempe[2]=Buffer[14]; 00293 val_tempe[3]=Buffer[15]; 00294 somme_tempe=*( (float*)(val_tempe )); 00295 00296 val_humi[0]=Buffer[16]; 00297 val_humi[1]=Buffer[17]; 00298 val_humi[2]=Buffer[18]; 00299 val_humi[3]=Buffer[19]; 00300 somme_humi=*( (float*)(val_humi )); 00301 // We fill the buffer with numbers for the payload 00302 for( i = 20; i < BufferSize; i++ ) 00303 { 00304 Buffer[i] = i - 20; 00305 } 00306 Buffer[2]=0; 00307 Buffer[0]=1; 00308 somme=somme/10000; 00309 somme_tempe=somme_tempe/100; 00310 somme_humi=somme_humi/1000; 00311 debug("B %f R,%f C,%f T,%f H\n",somme,somme_condu,somme_tempe,somme_humi); 00312 wait_ms( 1000 ); 00313 00314 Radio.Send( Buffer, BufferSize ); 00315 //wait(10); 00316 } 00317 else if(Buffer[1]==1 and Buffer[3]==1) 00318 { // A master already exists then become a slave 00319 debug( "Les deux sont a 1\r\n" ); 00320 00321 led = !led; 00322 //isMaster = false; 00323 // Send the next PONG frame 00324 Buffer[1]=0; 00325 Buffer[2]=0; 00326 Buffer[0]=1; 00327 Buffer[3]=0; 00328 // We fill the buffer with numbers for the payload 00329 for( i = 20; i < BufferSize; i++ ) 00330 { 00331 Buffer[i] = i - 20; 00332 } 00333 wait_ms( 1000 ); 00334 00335 Radio.Send( Buffer, BufferSize ); 00336 //wait(10); 00337 } 00338 else // valid reception but neither a PING or a PONG message 00339 { // Set device as master ans start again 00340 isMaster = true; 00341 Radio.Rx( RX_TIMEOUT_VALUE ); 00342 } 00343 } 00344 } 00345 else 00346 { 00347 00348 } 00349 State = LOWPOWER; 00350 break; 00351 case TX: 00352 led = !led; 00353 //uint8_t val_res; 00354 int i; 00355 if( isMaster == true ) 00356 { 00357 debug( "Tx envoi\r\n" ); 00358 00359 } 00360 else 00361 { 00362 debug( "Pong...\r\n" ); 00363 00364 } 00365 Radio.Rx( RX_TIMEOUT_VALUE ); 00366 State = LOWPOWER; 00367 break; 00368 case RX_TIMEOUT: 00369 if( isMaster == true ) 00370 { 00371 // Send the next PING frame 00372 //strcpy( ( char* )Buffer, ( char* )PingMsg ); 00373 if(Buffer[1]==1){ 00374 val_res[0]=Buffer[4]; 00375 val_res[1]=Buffer[5]; 00376 val_res[2]=Buffer[6]; 00377 val_res[3]=Buffer[7]; 00378 somme=*( (float*)(val_res )); 00379 00380 val_condu[0]=Buffer[8]; 00381 val_condu[1]=Buffer[9]; 00382 val_condu[2]=Buffer[10]; 00383 val_condu[3]=Buffer[11]; 00384 somme_condu=*( (float*)(val_condu )); 00385 00386 val_tempe[0]=Buffer[12]; 00387 val_tempe[1]=Buffer[13]; 00388 val_tempe[2]=Buffer[14]; 00389 val_tempe[3]=Buffer[15]; 00390 somme_tempe=*( (float*)(val_tempe )); 00391 00392 val_humi[0]=Buffer[16]; 00393 val_humi[1]=Buffer[17]; 00394 val_humi[2]=Buffer[18]; 00395 val_humi[3]=Buffer[19]; 00396 somme_humi=*( (float*)(val_humi )); 00397 debug("A %f R,%f C,%f T,%f H\n",somme,somme_condu,somme_tempe,somme_humi); 00398 } 00399 else{ 00400 Buffer[0]=1; 00401 } 00402 for( i = 20; i < BufferSize; i++ ) 00403 { 00404 Buffer[i] = i - 20; 00405 } 00406 wait_ms( 1000 ); 00407 Radio.Send( Buffer, BufferSize ); 00408 } 00409 else 00410 { 00411 Radio.Rx( RX_TIMEOUT_VALUE ); 00412 } 00413 State = LOWPOWER; 00414 break; 00415 case RX_ERROR: 00416 // We have received a Packet with a CRC error, send reply as if packet was correct 00417 if( isMaster == true ) 00418 { 00419 // Send the next PING frame 00420 // strcpy( ( char* )Buffer, ( char* )PingMsg ); 00421 for( i = 0; i < BufferSize; i++ ) 00422 { 00423 Buffer[i] = 0; 00424 } 00425 wait_ms( 1000 ); 00426 Radio.Send( Buffer, BufferSize ); 00427 } 00428 else 00429 { 00430 // Send the next PONG frame 00431 strcpy( ( char* )Buffer, ( char* )PongMsg ); 00432 for( i = 4; i < BufferSize; i++ ) 00433 { 00434 Buffer[i] = i - 4; 00435 } 00436 wait_ms( 1000 ); 00437 Radio.Send( Buffer, BufferSize ); 00438 } 00439 State = LOWPOWER; 00440 break; 00441 case TX_TIMEOUT: 00442 Radio.Rx( RX_TIMEOUT_VALUE ); 00443 State = LOWPOWER; 00444 break; 00445 case LOWPOWER: 00446 break; 00447 default: 00448 State = LOWPOWER; 00449 break; 00450 } 00451 //wait(2); 00452 } 00453 } 00454 00455 void OnTxDone( void ) 00456 { 00457 Radio.Sleep( ); 00458 State = TX; 00459 debug_if( DEBUG_MESSAGE, "> OnTxDone\n\r" ); 00460 } 00461 00462 void OnRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr) 00463 { 00464 Radio.Sleep( ); 00465 BufferSize = size; 00466 memcpy( Buffer, payload, BufferSize ); 00467 RssiValue = rssi; 00468 SnrValue = snr; 00469 State = RX; 00470 debug_if( DEBUG_MESSAGE, "> OnRxDone\n\r" ); 00471 } 00472 00473 void OnTxTimeout( void ) 00474 { 00475 Radio.Sleep( ); 00476 State = TX_TIMEOUT; 00477 debug_if( DEBUG_MESSAGE, "> OnTxTimeout\n\r" ); 00478 } 00479 00480 void OnRxTimeout( void ) 00481 { 00482 Radio.Sleep( ); 00483 Buffer[ BufferSize ] = 0; 00484 State = RX_TIMEOUT; 00485 debug_if( DEBUG_MESSAGE, "> OnRxTimeout\n\r" ); 00486 } 00487 00488 void OnRxError( void ) 00489 { 00490 Radio.Sleep( ); 00491 State = RX_ERROR; 00492 debug_if( DEBUG_MESSAGE, "> OnRxError\n\r" ); 00493 } 00494
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