Guillou Glenn
programme pour recevoir les données des capteurs
Dependencies: SX1272Lib mbed-src mbed
Diff: main.cpp
- Revision:
- 0:fa014443db91
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sat May 13 16:32:43 2017 +0000
@@ -0,0 +1,494 @@
+#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" );
+}
+