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programme pour recevoir les données des capteurs
Dependencies: SX1272Lib mbed-src mbed
main.cpp
- Committer:
- guillouhouede
- Date:
- 2017-05-13
- Revision:
- 0:fa014443db91
File content as of revision 0:fa014443db91:
#include "mbed.h" #include "main.h" #include "sx1272-hal.h" #include "debug.h" //POUR TROUVER MES PODIFICATIONS, RECHERCHE LE MOT "jo" AVEC CTRL+F /* 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 868000000 // Hz #define TX_OUTPUT_POWER 14 // 14 dBm #if USE_MODEM_LORA == 1 #define LORA_BANDWIDTH 2 // [0: 125 kHz, // 1: 250 kHz, // 2: 500 kHz, // 3: Reserved] #define LORA_SPREADING_FACTOR 7 // [SF7..SF12] #define LORA_CODINGRATE 1 // [1: 4/5, // 2: 4/6, // 3: 4/7, // 4: 4/8] #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 3500000 // in us #define BUFFER_SIZE 32 // Define the payload size here #if( defined ( TARGET_KL25Z ) || defined ( TARGET_LPC11U6X ) ) DigitalOut led(LED2); #else DigitalOut led(LED1); #endif //Jonathan // /* * 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 */ SX1272MB2xAS Radio( NULL ); const uint8_t PingMsg[] = "PING"; const uint8_t PongMsg[] = "PONG"; /*const uint8_t PingMsg[] = 42; const uint8_t PongMsg[] = "Message reçu !";*/ uint16_t BufferSize = BUFFER_SIZE; uint8_t Buffer[BUFFER_SIZE]; int16_t RssiValue = 0.0; int8_t SnrValue = 0.0; int main() { uint8_t i; bool isMaster = true; bool channel; channel = Radio.IsChannelFree(MODEM_LORA,9000000,RssiValue); debug("le channel est %d\n",channel); debug( "\n\n\r SX1272 Ping Pong Demo Application \n\n\r" ); // Initialize Radio driver RadioEvents.TxDone = OnTxDone; RadioEvents.RxDone = OnRxDone; RadioEvents.RxError = OnRxError; RadioEvents.TxTimeout = OnTxTimeout; RadioEvents.RxTimeout = OnRxTimeout; Radio.Init( &RadioEvents ); // // verify the connection with the board while( Radio.Read( REG_VERSION ) == 0x00 ) { debug( "Radio could not be detected!\n\r", NULL ); wait( 1 ); } debug_if( ( DEBUG_MESSAGE & ( Radio.DetectBoardType( ) == SX1272MB2XAS ) ) , "\n\r > Board Type: SX1272MB2xAS < \n\r" ); Radio.SetChannel( RF_FREQUENCY ); #if USE_MODEM_LORA == 1 debug_if( LORA_FHSS_ENABLED, "\n\n\r > LORA FHSS Mode < \n\n\r"); debug_if( !LORA_FHSS_ENABLED, "\n\n\r > LORA Mode < \n\n\r"); 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, 2000000 ); 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 debug("\n\n\r > FSK Mode < \n\n\r"); 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, 2000000 ); 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 debug_if( DEBUG_MESSAGE, "Starting Ping-Pong loop\r\n" ); led = 0; Radio.Rx( RX_TIMEOUT_VALUE ); uint8_t val_res[4]; uint8_t val_condu[4]; uint8_t val_tempe[4]; uint8_t val_humi[4]; float somme; float somme_condu; float somme_tempe; float somme_humi; wait(1); //on remplit le buffer a 0 for( i = 0; i < BufferSize; i++ ) { Buffer[i] =0; } while( 1 ) { wait(2); switch( State ) { case RX: if( isMaster == true ) { if( BufferSize > 0 ) { if( Buffer[1] == 0 and Buffer[3]==0) { led = !led; debug( "\r\n" ); Buffer[0]=1; wait_ms( 1000 ); Radio.Send( Buffer, BufferSize ); } else if(Buffer[1]==1 and Buffer[3]==0) { // A master already exists then become a slave debug( "On recoit les valeurs de A\r\n" ); led = !led; //isMaster = false; // Send the next PONG frame strcpy( ( char* )Buffer, ( char* )PongMsg ); //debug("buf 0 %d\n",Buffer[0]); val_res[0]=Buffer[4]; val_res[1]=Buffer[5]; val_res[2]=Buffer[6]; val_res[3]=Buffer[7]; somme=*( (float*)(val_res )); //debug("Val res 0 vaut dans RX : %d\n",val_res[0]); //debug("somme vaut : %f\n",somme); val_condu[0]=Buffer[8]; val_condu[1]=Buffer[9]; val_condu[2]=Buffer[10]; val_condu[3]=Buffer[11]; somme_condu=*( (float*)(val_condu )); val_tempe[0]=Buffer[12]; val_tempe[1]=Buffer[13]; val_tempe[2]=Buffer[14]; val_tempe[3]=Buffer[15]; somme_tempe=*( (float*)(val_tempe )); val_humi[0]=Buffer[16]; val_humi[1]=Buffer[17]; val_humi[2]=Buffer[18]; val_humi[3]=Buffer[19]; somme_humi=*( (float*)(val_humi )); // We fill the buffer with numbers for the payload for( i = 20; i < BufferSize; i++ ) { Buffer[i] = i - 20; } Buffer[0]=0; Buffer[2]=1; somme=somme/10000; somme_tempe=somme_tempe/100; somme_humi=somme_humi/1000; debug("A %f R,%f C,%f T,%f H\n",somme,somme_condu,somme_tempe,somme_humi); wait_ms( 1000 ); Radio.Send( Buffer, BufferSize ); //wait(10); } else if(Buffer[3]==1 and Buffer[1]==0) { // A master already exists then become a slave debug( "On recoit les valeurs de A\r\n" ); led = !led; //isMaster = false; // Send the next PONG frame strcpy( ( char* )Buffer, ( char* )PongMsg ); //debug("buf 0 %d\n",Buffer[0]); val_res[0]=Buffer[4]; val_res[1]=Buffer[5]; val_res[2]=Buffer[6]; val_res[3]=Buffer[7]; somme=*( (float*)(val_res )); //debug("Val res 0 vaut dans RX : %d\n",val_res[0]); //debug("somme vaut : %f\n",somme); val_condu[0]=Buffer[8]; val_condu[1]=Buffer[9]; val_condu[2]=Buffer[10]; val_condu[3]=Buffer[11]; somme_condu=*( (float*)(val_condu )); val_tempe[0]=Buffer[12]; val_tempe[1]=Buffer[13]; val_tempe[2]=Buffer[14]; val_tempe[3]=Buffer[15]; somme_tempe=*( (float*)(val_tempe )); val_humi[0]=Buffer[16]; val_humi[1]=Buffer[17]; val_humi[2]=Buffer[18]; val_humi[3]=Buffer[19]; somme_humi=*( (float*)(val_humi )); // We fill the buffer with numbers for the payload for( i = 20; i < BufferSize; i++ ) { Buffer[i] = i - 20; } Buffer[2]=0; Buffer[0]=1; somme=somme/10000; somme_tempe=somme_tempe/100; somme_humi=somme_humi/1000; debug("B %f R,%f C,%f T,%f H\n",somme,somme_condu,somme_tempe,somme_humi); wait_ms( 1000 ); Radio.Send( Buffer, BufferSize ); //wait(10); } else if(Buffer[1]==1 and Buffer[3]==1) { // A master already exists then become a slave debug( "Les deux sont a 1\r\n" ); led = !led; //isMaster = false; // Send the next PONG frame Buffer[1]=0; Buffer[2]=0; Buffer[0]=1; Buffer[3]=0; // We fill the buffer with numbers for the payload for( i = 20; i < BufferSize; i++ ) { Buffer[i] = i - 20; } wait_ms( 1000 ); Radio.Send( Buffer, BufferSize ); //wait(10); } 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 { } State = LOWPOWER; break; case TX: led = !led; //uint8_t val_res; int i; if( isMaster == true ) { debug( "Tx envoi\r\n" ); } else { debug( "Pong...\r\n" ); } Radio.Rx( RX_TIMEOUT_VALUE ); State = LOWPOWER; break; case RX_TIMEOUT: if( isMaster == true ) { // Send the next PING frame //strcpy( ( char* )Buffer, ( char* )PingMsg ); if(Buffer[1]==1){ val_res[0]=Buffer[4]; val_res[1]=Buffer[5]; val_res[2]=Buffer[6]; val_res[3]=Buffer[7]; somme=*( (float*)(val_res )); val_condu[0]=Buffer[8]; val_condu[1]=Buffer[9]; val_condu[2]=Buffer[10]; val_condu[3]=Buffer[11]; somme_condu=*( (float*)(val_condu )); val_tempe[0]=Buffer[12]; val_tempe[1]=Buffer[13]; val_tempe[2]=Buffer[14]; val_tempe[3]=Buffer[15]; somme_tempe=*( (float*)(val_tempe )); val_humi[0]=Buffer[16]; val_humi[1]=Buffer[17]; val_humi[2]=Buffer[18]; val_humi[3]=Buffer[19]; somme_humi=*( (float*)(val_humi )); debug("A %f R,%f C,%f T,%f H\n",somme,somme_condu,somme_tempe,somme_humi); } else{ Buffer[0]=1; } for( i = 20; i < BufferSize; i++ ) { Buffer[i] = i - 20; } wait_ms( 1000 ); 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 // strcpy( ( char* )Buffer, ( char* )PingMsg ); for( i = 0; i < BufferSize; i++ ) { Buffer[i] = 0; } wait_ms( 1000 ); Radio.Send( Buffer, BufferSize ); } else { // Send the next PONG frame strcpy( ( char* )Buffer, ( char* )PongMsg ); for( i = 4; i < BufferSize; i++ ) { Buffer[i] = i - 4; } wait_ms( 1000 ); Radio.Send( Buffer, BufferSize ); } State = LOWPOWER; break; case TX_TIMEOUT: Radio.Rx( RX_TIMEOUT_VALUE ); State = LOWPOWER; break; case LOWPOWER: break; default: State = LOWPOWER; break; } //wait(2); } } void OnTxDone( void ) { Radio.Sleep( ); State = TX; debug_if( DEBUG_MESSAGE, "> OnTxDone\n\r" ); } void OnRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr) { Radio.Sleep( ); BufferSize = size; memcpy( Buffer, payload, BufferSize ); RssiValue = rssi; SnrValue = snr; State = RX; debug_if( DEBUG_MESSAGE, "> OnRxDone\n\r" ); } void OnTxTimeout( void ) { Radio.Sleep( ); State = TX_TIMEOUT; debug_if( DEBUG_MESSAGE, "> OnTxTimeout\n\r" ); } void OnRxTimeout( void ) { Radio.Sleep( ); Buffer[ BufferSize ] = 0; State = RX_TIMEOUT; debug_if( DEBUG_MESSAGE, "> OnRxTimeout\n\r" ); } void OnRxError( void ) { Radio.Sleep( ); State = RX_ERROR; debug_if( DEBUG_MESSAGE, "> OnRxError\n\r" ); }