Polytech school project. RICM4 students, see http://air.imag.fr/index.php/Projets-2016-2017-Station_de_pompage_connect%C3%A9e for more information
Fork of SX1276PingPong by
main.cpp
- Committer:
- chevamax
- Date:
- 2017-04-01
- Revision:
- 16:1643ac8ba29f
- Parent:
- 15:0439a7579868
File content as of revision 16:1643ac8ba29f:
#include "mbed.h" #include "main.h" #include "sx1276-hal.h" #include "debug.h" #include "ordre.h" #include "trame.h" /* Set this flag to '1' to display debug messages on the console Must be 0 in order to work with the projet */ #define DEBUG_MESSAGE 0 #define ID_DEVICE 0x24 #define ID_STATION 0x55 #define TEMPS_ATTENTE_COM 20 /* 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 865000000 // 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 */ 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 ); uint16_t BufferSize = BUFFER_SIZE; uint8_t Buffer[BUFFER_SIZE]; int16_t RssiValue = 0.0; int8_t SnrValue = 0.0; //Connection serie avec le PC Serial pc(USBTX, USBRX); char portCom[3]; bool ordreRecuPortCom = false; int main() { uint8_t i; bool isMaster = false; debug_if( DEBUG_MESSAGE, "\n\n\r SX1276 Server 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_if( DEBUG_MESSAGE, "Radio could not be detected!\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( DEBUG_MESSAGE & LORA_FHSS_ENABLED, "\n\n\r > LORA FHSS Mode < \n\n\r"); debug_if( DEBUG_MESSAGE & !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_if( DEBUG_MESSAGE, "\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 Server loop\r\n" ); led = 0; //ACK Message Par defaut char AckMsg[] = {0x24, 0x55, 0x00}; Radio.Rx( RX_TIMEOUT_VALUE ); //Varialbe de controle bool ackOrData = true; //true = ack, false = Data while( 1 ) { switch( State ) { case RX: if( BufferSize > 0 ) { TrameData trameRecue((char*)Buffer); if( trameRecue.getIdStation() == (char) ID_STATION ) { led = !led; debug_if( DEBUG_MESSAGE, "...DATA\r\n" ); //Envoit sur le port COM pc.printf(trameRecue.creerTrame()); // Send the ACK AckMsg[0] = trameRecue.getIdEmetteur(); strcpy( ( char* )Buffer, ( char* )AckMsg ); // We fill the buffer with numbers for the payload for( i = 3; i < BufferSize; i++ ) { Buffer[i] = i - 4; } wait( 5.0); ackOrData = true; Radio.Send( Buffer, BufferSize ); } else // valid reception but not expected { Radio.Rx( RX_TIMEOUT_VALUE ); } } State = LOWPOWER; break; case TX: led = !led; if(ackOrData){ debug_if( DEBUG_MESSAGE, "ACK...\r\n" ); //Après Envoie du ACK, on ecoute la réponse du PC (pour l'ordre) led = 1; pc.scanf("%s",portCom); led = 0; //Mise a jour des variables de controle ordreRecuPortCom = true; ackOrData = false; } else{ debug_if( DEBUG_MESSAGE, "ORDRE...\r\n" ); Radio.Rx( RX_TIMEOUT_VALUE ); } State = LOWPOWER; break; case RX_TIMEOUT: 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 //Do nothing State = LOWPOWER; break; case TX_TIMEOUT: Radio.Rx( RX_TIMEOUT_VALUE ); State = LOWPOWER; break; case LOWPOWER: if(ordreRecuPortCom){ Ordre o((char *)portCom); debug_if( DEBUG_MESSAGE, "Ordre recu sur le port COM\r\n" ); led=!led; if(o.getOrdreAFaire() == 1){ //Envoie de l'ordre. strcpy( ( char* )Buffer, ( char* )portCom ); for( i = 3; i < BufferSize; i++ ) { Buffer[i] = i - 4; } wait_ms( 10 ); ordreRecuPortCom = false; Radio.Send( Buffer, BufferSize ); }else{ debug_if( DEBUG_MESSAGE, "Pas d'activation de la pompe\r\n" ); Radio.Rx( RX_TIMEOUT_VALUE ); } ordreRecuPortCom = false; break; default: State = LOWPOWER; break; } } } 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" ); }