From a12ed64b1506947236856d2f21add36e92f6206f Mon Sep 17 00:00:00 2001 From: robincvlr Date: Tue, 9 Jan 2018 17:43:14 +0100 Subject: [PATCH] recepteur ok --- emetteur/emetteur.cpp | 399 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 1 file changed, 97 insertions(+), 302 deletions(-) diff --git a/emetteur/emetteur.cpp b/emetteur/emetteur.cpp index 4768029..7ff2b2c 100644 --- a/emetteur/emetteur.cpp +++ b/emetteur/emetteur.cpp @@ -1,347 +1,142 @@ -#include "../mbed-os/mbed.h" +//////////////////////////////////////////////////////////////////////////////// +//Headers +#include "mbed.h" #include "main.h" #include "sx1276-hal.h" #include "debug.h" - -/* 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 DEBUG_MESSAGE 1 +//////////////////////////////////////////////////////////////////////////////// +//Modulation LoRa active #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 - -/* - * Global variables declarations - */ +//Paramètres +#define RF_FREQUENCY 868000000 //Hz : Fréquence de travail pour UE +#define TX_OUTPUT_POWER 14 //dBm : puissance de sortie du signal +#define LORA_BANDWIDTH 1 // 0:125 kHz de BP +#define LORA_SPREADING_FACTOR 10 // [SF7..SF12] Portée du débit. grande portée inutile +#define LORA_CODINGRATE 1 +#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 true +#define LORA_NB_SYMB_HOP 4 +#define LORA_IQ_INVERSION_ON false +#define LORA_CRC_ENABLED true +#define RX_TIMEOUT_VALUE 3500 // in ms +#define BUFFER_SIZE 32 // Define the payload size here +//////////////////////////////////////////////////////////////////////////////// + +//////////////////////////////////////////////////////////////////////////////// +//Variables globales 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 - */ SX1276MB1xAS Radio( NULL ); - -const uint8_t PingMsg[] = "PING"; -const uint8_t PongMsg[] = "PONG"; - uint16_t BufferSize = BUFFER_SIZE; uint8_t Buffer[BUFFER_SIZE]; - int16_t RssiValue = 0.0; int8_t SnrValue = 0.0; +const uint8_t TestMsg[] = "TEST"; +//////////////////////////////////////////////////////////////////////////////// + +//////////////////////////////////////////////////////////////////////////////// +//Fonctions utiles -int main() +//Debug pour savoir si le message a été transmis +void OnTxDone( void ) { - uint8_t i; - bool isMaster = true; + Radio.SetChannel( HoppingFrequencies[0] ); + Radio.Sleep( ); + State = TX; + debug_if( DEBUG_MESSAGE, "Envoye\n\r" ); +} - debug( "\n\n\r SX1276 Ping Pong Demo Application \n\n\r" ); +//Time out de transmission. Échec de l'envoi +void OnTxTimeout( void ) +{ + Radio.SetChannel(HoppingFrequencies[0]); + Radio.Sleep( ); + State = TX_TIMEOUT; + debug_if( DEBUG_MESSAGE, "Echec de l'envoi\n\r" ); +} + +//Modification du canal d'emission +void OnFhssChangeChannel( uint8_t channelIndex ) +{ + Radio.SetChannel(HoppingFrequencies[channelIndex]); + debug_if(DEBUG_MESSAGE, "F%d-", channelIndex); +} +//////////////////////////////////////////////////////////////////////////////// + +//////////////////////////////////////////////////////////////////////////////// +//Main emission +int main( void ) +{ + uint8_t i; + debug("\n\n\rEmetteur SX1276\n\n\r"); // Initialize Radio driver RadioEvents.TxDone = OnTxDone; - RadioEvents.RxDone = OnRxDone; - RadioEvents.RxError = OnRxError; RadioEvents.TxTimeout = OnTxTimeout; - RadioEvents.RxTimeout = OnRxTimeout; - Radio.Init( &RadioEvents ); + RadioEvents.FhssChangeChannel = OnFhssChangeChannel; + Radio.Init(&RadioEvents); - // verify the connection with the board - while( Radio.Read( REG_VERSION ) == 0x00 ) + //Véification de la connexion avec la carte + while(Radio.Read(REG_VERSION) == 0x00) { - debug( "Radio could not be detected!\n\r", NULL ); - wait( 1 ); + debug("Aucune radio detectee\n\r", NULL); + wait(1); } - debug_if( ( DEBUG_MESSAGE & ( Radio.DetectBoardType( ) == SX1276MB1LAS ) ) , "\n\r > Board Type: SX1276MB1LAS < \n\r" ); - debug_if( ( DEBUG_MESSAGE & ( Radio.DetectBoardType( ) == SX1276MB1MAS ) ) , "\n\r > Board Type: SX1276MB1MAS < \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 ); + //Checking du matériel connecté + debug_if( ( DEBUG_MESSAGE & ( Radio.DetectBoardType( ) == SX1276MB1LAS ) ), "\n\rMateriel detecte : SX1276MB1LAS < \n\r" ); + debug_if( ( DEBUG_MESSAGE & ( Radio.DetectBoardType( ) == SX1276MB1MAS ) ), "\n\rMateriel detecte : SX1276MB1MAS < \n\r" ); -#else + //Paramétrage du canal + Radio.SetChannel( HoppingFrequencies[0] ); -#error "Please define a modem in the compiler options." + #if USE_MODEM_LORA == 1 -#endif + debug_if( LORA_FHSS_ENABLED, "\n\n\rLORA FHSS Mode\n\n\r" ); + debug_if( !LORA_FHSS_ENABLED, "\n\n\rLORA Mode\n\n\r" ); - debug_if( DEBUG_MESSAGE, "Starting Ping-Pong loop\r\n" ); + //Configuration du modem transmission + 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, 4000 ); + #else + #error "Aucun modem defini" + #endif - led = 0; + debug_if( DEBUG_MESSAGE, "Procedure d'emission lancee\r\n" ); - Radio.Rx( RX_TIMEOUT_VALUE ); - - while( 1 ) + //Boucle d'émission infinie + while(1) { - switch( State ) - { - case RX: - if( isMaster == true ) - { - if( BufferSize > 0 ) - { - if( strncmp( ( const char* )Buffer, ( const char* )PongMsg, 4 ) == 0 ) - { - led = !led; - debug( "...Pong\r\n" ); - // Send the next PING frame - strcpy( ( char* )Buffer, ( char* )PingMsg ); - // We fill the buffer with numbers for the payload - for( i = 4; i < BufferSize; i++ ) - { - Buffer[i] = i - 4; - } - wait_ms( 100); - Radio.Send( Buffer, BufferSize ); - } - else if( strncmp( ( const char* )Buffer, ( const char* )PingMsg, 4 ) == 0 ) - { // A master already exists then become a slave - debug( "...Ping\r\n" ); - led = !led; - isMaster = false; - // Send the next PONG frame - strcpy( ( char* )Buffer, ( char* )PongMsg ); - // We fill the buffer with numbers for the payload - for( i = 4; i < BufferSize; i++ ) - { - Buffer[i] = i - 4; - } - wait_ms( 100 ); - 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( strncmp( ( const char* )Buffer, ( const char* )PingMsg, 4 ) == 0 ) - { - led = !led; - debug( "...Ping\r\n" ); - // Send the reply to the PING string - strcpy( ( char* )Buffer, ( char* )PongMsg ); - // We fill the buffer with numbers for the payload - for( i = 4; i < BufferSize; i++ ) - { - Buffer[i] = i - 4; - } - 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: - led = !led; - if( isMaster == true ) - { - debug( "Ping...\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 ); - for( i = 4; i < BufferSize; i++ ) - { - Buffer[i] = i - 4; - } - 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 - strcpy( ( char* )Buffer, ( char* )PingMsg ); - for( i = 4; i < BufferSize; i++ ) - { - Buffer[i] = i - 4; - } - wait_ms( 10 ); - 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( 10 ); - 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; - } + debug( "Tentative d'envoi :\r\n" ); + strcpy((char*)Buffer, (char*)TestMsg); + // We fill the buffer with numbers for the payload + for(i=4; i 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" ); -} -- libgit2 0.21.2