Send DHT11 & SHT10 sensors data through LoRa SX1272 board.
Fork of SX1272PingPong by
Diff: main.cpp
- Revision:
- 14:62c3fd006150
- Parent:
- 13:edb9b443c1dd
- Child:
- 15:24dc42e5d7bf
--- a/main.cpp Wed Feb 17 09:17:46 2016 +0000 +++ b/main.cpp Mon Mar 13 10:58:50 2017 +0000 @@ -6,73 +6,46 @@ /* 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 RF_FREQUENCY 868000000 // Hz +#define TX_OUTPUT_POWER 14 // 14 dBm - #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 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 +#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 - #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 BUFFER_SIZE 32 // Define the payload size here -#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 -{ +typedef enum { LOWPOWER = 0, IDLE, - - RX, - RX_TIMEOUT, - RX_ERROR, - + TX, TX_TIMEOUT, - + CAD, CAD_DONE -}AppStates_t; +} AppStates_t; volatile AppStates_t State = LOWPOWER; @@ -87,7 +60,6 @@ SX1272MB2xAS Radio( NULL ); const uint8_t PingMsg[] = "PING"; -const uint8_t PongMsg[] = "PONG"; uint16_t BufferSize = BUFFER_SIZE; uint8_t Buffer[BUFFER_SIZE]; @@ -95,213 +67,51 @@ int16_t RssiValue = 0.0; int8_t SnrValue = 0.0; -int main() +int main() { uint8_t i; - bool isMaster = true; - - debug( "\n\n\r SX1272 Ping Pong Demo Application \n\n\r" ); + + debug( "\n\n\r iGreenhouse Application - Transmitter \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 ) - { + 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 - + Radio.SetChannel( RF_FREQUENCY ); + + 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 + 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 ); - 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 + debug_if( DEBUG_MESSAGE, "Starting sending loop\r\n" ); -#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 ); - - 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( 10 ); - 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( 10 ); - 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; - } + + while( 1 ) { + debug("\r\n========\r\nSending a new Packet\r\n========\r\n"); + 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( 10 ); + Radio.Send( Buffer, BufferSize ); + wait(3); } } @@ -312,17 +122,6 @@ 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( ); @@ -330,18 +129,3 @@ 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" ); -} -