Yifei Liu
/
mainPing1
pING
Fork of SX1276PingPong by
main.cpp@16:c790e9194eba, 2017-07-18 (annotated)
- Committer:
- siiruxliu
- Date:
- Tue Jul 18 14:49:00 2017 +0000
- Revision:
- 16:c790e9194eba
- Parent:
- 15:8b35dd7c1436
tEST
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
GregCr | 0:1ed39951ab7b | 1 | #include "mbed.h" |
GregCr | 4:5ece30264cd9 | 2 | #include "main.h" |
GregCr | 14:c7251480feb9 | 3 | #include "sx1276-hal.h" |
GregCr | 8:f956dee63a56 | 4 | #include "debug.h" |
GregCr | 0:1ed39951ab7b | 5 | |
GregCr | 0:1ed39951ab7b | 6 | /* Set this flag to '1' to display debug messages on the console */ |
mluis | 15:8b35dd7c1436 | 7 | #define DEBUG_MESSAGE 1 |
GregCr | 0:1ed39951ab7b | 8 | |
GregCr | 0:1ed39951ab7b | 9 | /* Set this flag to '1' to use the LoRa modulation or to '0' to use FSK modulation */ |
GregCr | 5:f2431c4fe3bb | 10 | #define USE_MODEM_LORA 1 |
GregCr | 0:1ed39951ab7b | 11 | #define USE_MODEM_FSK !USE_MODEM_LORA |
GregCr | 0:1ed39951ab7b | 12 | |
siiruxliu | 16:c790e9194eba | 13 | #define RF_FREQUENCY 904500000 // Hz |
siiruxliu | 16:c790e9194eba | 14 | #define TX_OUTPUT_POWER 10 // units: dBm |
GregCr | 0:1ed39951ab7b | 15 | |
GregCr | 0:1ed39951ab7b | 16 | #if USE_MODEM_LORA == 1 |
GregCr | 0:1ed39951ab7b | 17 | |
siiruxliu | 16:c790e9194eba | 18 | #define LORA_BANDWIDTH 0 // [0: 125 kHz, |
GregCr | 0:1ed39951ab7b | 19 | // 1: 250 kHz, |
GregCr | 0:1ed39951ab7b | 20 | // 2: 500 kHz, |
GregCr | 0:1ed39951ab7b | 21 | // 3: Reserved] |
siiruxliu | 16:c790e9194eba | 22 | #define LORA_SPREADING_FACTOR 10 // [SF7..SF12] |
GregCr | 0:1ed39951ab7b | 23 | #define LORA_CODINGRATE 1 // [1: 4/5, |
GregCr | 0:1ed39951ab7b | 24 | // 2: 4/6, |
GregCr | 0:1ed39951ab7b | 25 | // 3: 4/7, |
GregCr | 0:1ed39951ab7b | 26 | // 4: 4/8] |
siiruxliu | 16:c790e9194eba | 27 | #define LORA_PREAMBLE_LENGTH 16 // Same for Tx and Rx |
GregCr | 0:1ed39951ab7b | 28 | #define LORA_SYMBOL_TIMEOUT 5 // Symbols |
GregCr | 0:1ed39951ab7b | 29 | #define LORA_FIX_LENGTH_PAYLOAD_ON false |
GregCr | 3:8b9e2a4df4b5 | 30 | #define LORA_FHSS_ENABLED false |
GregCr | 3:8b9e2a4df4b5 | 31 | #define LORA_NB_SYMB_HOP 4 |
GregCr | 0:1ed39951ab7b | 32 | #define LORA_IQ_INVERSION_ON false |
siiruxliu | 16:c790e9194eba | 33 | #define LORA_CRC_ENABLED false |
siiruxliu | 16:c790e9194eba | 34 | |
GregCr | 0:1ed39951ab7b | 35 | #elif USE_MODEM_FSK == 1 |
GregCr | 0:1ed39951ab7b | 36 | |
GregCr | 2:59e108728d71 | 37 | #define FSK_FDEV 25000 // Hz |
GregCr | 2:59e108728d71 | 38 | #define FSK_DATARATE 19200 // bps |
GregCr | 2:59e108728d71 | 39 | #define FSK_BANDWIDTH 50000 // Hz |
GregCr | 2:59e108728d71 | 40 | #define FSK_AFC_BANDWIDTH 83333 // Hz |
GregCr | 0:1ed39951ab7b | 41 | #define FSK_PREAMBLE_LENGTH 5 // Same for Tx and Rx |
GregCr | 0:1ed39951ab7b | 42 | #define FSK_FIX_LENGTH_PAYLOAD_ON false |
siiruxliu | 16:c790e9194eba | 43 | #define FSK_CRC_ENABLED false |
siiruxliu | 16:c790e9194eba | 44 | |
GregCr | 0:1ed39951ab7b | 45 | #else |
GregCr | 0:1ed39951ab7b | 46 | #error "Please define a modem in the compiler options." |
GregCr | 0:1ed39951ab7b | 47 | #endif |
GregCr | 0:1ed39951ab7b | 48 | |
siiruxliu | 16:c790e9194eba | 49 | #define RX_TIMEOUT_VALUE 500000 // in us |
siiruxliu | 16:c790e9194eba | 50 | #define BUFFER_SIZE 8 // Define the payload size here |
GregCr | 0:1ed39951ab7b | 51 | |
GregCr | 8:f956dee63a56 | 52 | #if( defined ( TARGET_KL25Z ) || defined ( TARGET_LPC11U6X ) ) |
siiruxliu | 16:c790e9194eba | 53 | DigitalOut led(LED2); |
GregCr | 3:8b9e2a4df4b5 | 54 | #else |
siiruxliu | 16:c790e9194eba | 55 | DigitalOut led(LED1); |
GregCr | 3:8b9e2a4df4b5 | 56 | #endif |
GregCr | 3:8b9e2a4df4b5 | 57 | |
GregCr | 0:1ed39951ab7b | 58 | /* |
GregCr | 0:1ed39951ab7b | 59 | * Global variables declarations |
GregCr | 0:1ed39951ab7b | 60 | */ |
mluis | 10:7af820d1e1df | 61 | typedef enum |
mluis | 10:7af820d1e1df | 62 | { |
mluis | 10:7af820d1e1df | 63 | LOWPOWER = 0, |
mluis | 10:7af820d1e1df | 64 | IDLE, |
siiruxliu | 16:c790e9194eba | 65 | |
mluis | 10:7af820d1e1df | 66 | RX, |
mluis | 10:7af820d1e1df | 67 | RX_TIMEOUT, |
mluis | 10:7af820d1e1df | 68 | RX_ERROR, |
siiruxliu | 16:c790e9194eba | 69 | |
mluis | 10:7af820d1e1df | 70 | TX, |
mluis | 10:7af820d1e1df | 71 | TX_TIMEOUT, |
siiruxliu | 16:c790e9194eba | 72 | |
mluis | 10:7af820d1e1df | 73 | CAD, |
mluis | 10:7af820d1e1df | 74 | CAD_DONE |
mluis | 10:7af820d1e1df | 75 | }AppStates_t; |
GregCr | 0:1ed39951ab7b | 76 | |
mluis | 10:7af820d1e1df | 77 | volatile AppStates_t State = LOWPOWER; |
mluis | 10:7af820d1e1df | 78 | |
mluis | 10:7af820d1e1df | 79 | /*! |
mluis | 10:7af820d1e1df | 80 | * Radio events function pointer |
mluis | 10:7af820d1e1df | 81 | */ |
mluis | 10:7af820d1e1df | 82 | static RadioEvents_t RadioEvents; |
mluis | 10:7af820d1e1df | 83 | |
mluis | 10:7af820d1e1df | 84 | /* |
mluis | 10:7af820d1e1df | 85 | * Global variables declarations |
mluis | 10:7af820d1e1df | 86 | */ |
GregCr | 14:c7251480feb9 | 87 | SX1276MB1xAS Radio( NULL ); |
GregCr | 0:1ed39951ab7b | 88 | |
siiruxliu | 16:c790e9194eba | 89 | const uint8_t PingMsg[] = "BBBBBBBB"; |
siiruxliu | 16:c790e9194eba | 90 | const uint8_t PongMsg[] = "AAAAAAAA"; |
GregCr | 0:1ed39951ab7b | 91 | |
GregCr | 0:1ed39951ab7b | 92 | uint16_t BufferSize = BUFFER_SIZE; |
GregCr | 0:1ed39951ab7b | 93 | uint8_t Buffer[BUFFER_SIZE]; |
GregCr | 0:1ed39951ab7b | 94 | |
GregCr | 5:f2431c4fe3bb | 95 | int16_t RssiValue = 0.0; |
GregCr | 5:f2431c4fe3bb | 96 | int8_t SnrValue = 0.0; |
GregCr | 0:1ed39951ab7b | 97 | |
siiruxliu | 16:c790e9194eba | 98 | int main() |
GregCr | 0:1ed39951ab7b | 99 | { |
GregCr | 0:1ed39951ab7b | 100 | uint8_t i; |
GregCr | 0:1ed39951ab7b | 101 | bool isMaster = true; |
siiruxliu | 16:c790e9194eba | 102 | |
GregCr | 14:c7251480feb9 | 103 | debug( "\n\n\r SX1276 Ping Pong Demo Application \n\n\r" ); |
mluis | 10:7af820d1e1df | 104 | |
mluis | 10:7af820d1e1df | 105 | // Initialize Radio driver |
mluis | 10:7af820d1e1df | 106 | RadioEvents.TxDone = OnTxDone; |
mluis | 10:7af820d1e1df | 107 | RadioEvents.RxDone = OnRxDone; |
mluis | 10:7af820d1e1df | 108 | RadioEvents.RxError = OnRxError; |
mluis | 10:7af820d1e1df | 109 | RadioEvents.TxTimeout = OnTxTimeout; |
mluis | 10:7af820d1e1df | 110 | RadioEvents.RxTimeout = OnRxTimeout; |
mluis | 10:7af820d1e1df | 111 | Radio.Init( &RadioEvents ); |
siiruxliu | 16:c790e9194eba | 112 | |
GregCr | 7:c1bbd6c56979 | 113 | // verify the connection with the board |
GregCr | 7:c1bbd6c56979 | 114 | while( Radio.Read( REG_VERSION ) == 0x00 ) |
GregCr | 2:59e108728d71 | 115 | { |
GregCr | 7:c1bbd6c56979 | 116 | debug( "Radio could not be detected!\n\r", NULL ); |
GregCr | 7:c1bbd6c56979 | 117 | wait( 1 ); |
GregCr | 2:59e108728d71 | 118 | } |
siiruxliu | 16:c790e9194eba | 119 | |
siiruxliu | 16:c790e9194eba | 120 | debug_if( ( DEBUG_MESSAGE & ( Radio.DetectBoardType( ) == SX1276MB1LAS ) ) , "\n\r > Board Type: SX1276MB1LAS < \n\r" ); |
siiruxliu | 16:c790e9194eba | 121 | debug_if( ( DEBUG_MESSAGE & ( Radio.DetectBoardType( ) == SX1276MB1MAS ) ) , "\n\r > Board Type: SX1276MB1MAS < \n\r" ); |
siiruxliu | 16:c790e9194eba | 122 | |
GregCr | 0:1ed39951ab7b | 123 | Radio.SetChannel( RF_FREQUENCY ); |
GregCr | 0:1ed39951ab7b | 124 | |
GregCr | 0:1ed39951ab7b | 125 | #if USE_MODEM_LORA == 1 |
siiruxliu | 16:c790e9194eba | 126 | |
siiruxliu | 16:c790e9194eba | 127 | debug_if( LORA_FHSS_ENABLED, "\n\n\r > LORA FHSS Mode < \n\n\r"); |
siiruxliu | 16:c790e9194eba | 128 | debug_if( !LORA_FHSS_ENABLED, "\n\n\r > LORA Mode < \n\n\r"); |
GregCr | 7:c1bbd6c56979 | 129 | |
GregCr | 0:1ed39951ab7b | 130 | Radio.SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, LORA_BANDWIDTH, |
GregCr | 0:1ed39951ab7b | 131 | LORA_SPREADING_FACTOR, LORA_CODINGRATE, |
GregCr | 0:1ed39951ab7b | 132 | LORA_PREAMBLE_LENGTH, LORA_FIX_LENGTH_PAYLOAD_ON, |
siiruxliu | 16:c790e9194eba | 133 | LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP, |
siiruxliu | 16:c790e9194eba | 134 | LORA_IQ_INVERSION_ON, 2000000 ); |
siiruxliu | 16:c790e9194eba | 135 | |
GregCr | 0:1ed39951ab7b | 136 | Radio.SetRxConfig( MODEM_LORA, LORA_BANDWIDTH, LORA_SPREADING_FACTOR, |
GregCr | 0:1ed39951ab7b | 137 | LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH, |
mluis | 9:e764990e45df | 138 | LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON, 0, |
siiruxliu | 16:c790e9194eba | 139 | LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP, |
GregCr | 3:8b9e2a4df4b5 | 140 | LORA_IQ_INVERSION_ON, true ); |
siiruxliu | 16:c790e9194eba | 141 | |
GregCr | 0:1ed39951ab7b | 142 | #elif USE_MODEM_FSK == 1 |
GregCr | 0:1ed39951ab7b | 143 | |
siiruxliu | 16:c790e9194eba | 144 | debug("\n\n\r > FSK Mode < \n\n\r"); |
GregCr | 0:1ed39951ab7b | 145 | Radio.SetTxConfig( MODEM_FSK, TX_OUTPUT_POWER, FSK_FDEV, 0, |
GregCr | 0:1ed39951ab7b | 146 | FSK_DATARATE, 0, |
GregCr | 0:1ed39951ab7b | 147 | FSK_PREAMBLE_LENGTH, FSK_FIX_LENGTH_PAYLOAD_ON, |
siiruxliu | 16:c790e9194eba | 148 | FSK_CRC_ENABLED, 0, 0, 0, 2000000 ); |
siiruxliu | 16:c790e9194eba | 149 | |
GregCr | 0:1ed39951ab7b | 150 | Radio.SetRxConfig( MODEM_FSK, FSK_BANDWIDTH, FSK_DATARATE, |
GregCr | 0:1ed39951ab7b | 151 | 0, FSK_AFC_BANDWIDTH, FSK_PREAMBLE_LENGTH, |
mluis | 9:e764990e45df | 152 | 0, FSK_FIX_LENGTH_PAYLOAD_ON, 0, FSK_CRC_ENABLED, |
GregCr | 3:8b9e2a4df4b5 | 153 | 0, 0, false, true ); |
siiruxliu | 16:c790e9194eba | 154 | |
GregCr | 0:1ed39951ab7b | 155 | #else |
GregCr | 0:1ed39951ab7b | 156 | |
GregCr | 0:1ed39951ab7b | 157 | #error "Please define a modem in the compiler options." |
GregCr | 0:1ed39951ab7b | 158 | |
GregCr | 0:1ed39951ab7b | 159 | #endif |
siiruxliu | 16:c790e9194eba | 160 | |
siiruxliu | 16:c790e9194eba | 161 | debug_if( DEBUG_MESSAGE, "Starting Ping-Pong loop\r\n" ); |
siiruxliu | 16:c790e9194eba | 162 | |
GregCr | 3:8b9e2a4df4b5 | 163 | led = 0; |
siiruxliu | 16:c790e9194eba | 164 | |
GregCr | 0:1ed39951ab7b | 165 | Radio.Rx( RX_TIMEOUT_VALUE ); |
siiruxliu | 16:c790e9194eba | 166 | |
GregCr | 0:1ed39951ab7b | 167 | while( 1 ) |
GregCr | 0:1ed39951ab7b | 168 | { |
siiruxliu | 16:c790e9194eba | 169 | strcpy( ( char* )Buffer, ( char* )PingMsg ); |
siiruxliu | 16:c790e9194eba | 170 | Radio.Send( Buffer, BufferSize ); |
GregCr | 0:1ed39951ab7b | 171 | } |
GregCr | 0:1ed39951ab7b | 172 | } |
GregCr | 0:1ed39951ab7b | 173 | |
GregCr | 0:1ed39951ab7b | 174 | void OnTxDone( void ) |
GregCr | 0:1ed39951ab7b | 175 | { |
GregCr | 5:f2431c4fe3bb | 176 | Radio.Sleep( ); |
GregCr | 0:1ed39951ab7b | 177 | State = TX; |
GregCr | 7:c1bbd6c56979 | 178 | debug_if( DEBUG_MESSAGE, "> OnTxDone\n\r" ); |
GregCr | 0:1ed39951ab7b | 179 | } |
GregCr | 0:1ed39951ab7b | 180 | |
siiruxliu | 16:c790e9194eba | 181 | void OnRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr) |
GregCr | 0:1ed39951ab7b | 182 | { |
GregCr | 0:1ed39951ab7b | 183 | Radio.Sleep( ); |
GregCr | 0:1ed39951ab7b | 184 | BufferSize = size; |
siiruxliu | 16:c790e9194eba | 185 | memcpy(Buffer, payload, BufferSize); |
siiruxliu | 16:c790e9194eba | 186 | //printf("Payload length = %d \n\r",BufferSize); |
siiruxliu | 16:c790e9194eba | 187 | //printf("First 8 bytes -- %d %d %d %d %d %d %d %d\n\r", payload[0], payload[1], payload[2], payload[3], payload[4], payload[5], payload[6], payload[7]); |
GregCr | 0:1ed39951ab7b | 188 | RssiValue = rssi; |
GregCr | 0:1ed39951ab7b | 189 | SnrValue = snr; |
GregCr | 0:1ed39951ab7b | 190 | State = RX; |
GregCr | 7:c1bbd6c56979 | 191 | debug_if( DEBUG_MESSAGE, "> OnRxDone\n\r" ); |
siiruxliu | 16:c790e9194eba | 192 | printf("SINR Value = %d \n\r",SnrValue); |
siiruxliu | 16:c790e9194eba | 193 | printf("RSSI Value = %d \n\r",RssiValue); |
siiruxliu | 16:c790e9194eba | 194 | |
GregCr | 0:1ed39951ab7b | 195 | } |
GregCr | 0:1ed39951ab7b | 196 | |
GregCr | 0:1ed39951ab7b | 197 | void OnTxTimeout( void ) |
GregCr | 0:1ed39951ab7b | 198 | { |
GregCr | 0:1ed39951ab7b | 199 | Radio.Sleep( ); |
GregCr | 0:1ed39951ab7b | 200 | State = TX_TIMEOUT; |
GregCr | 7:c1bbd6c56979 | 201 | debug_if( DEBUG_MESSAGE, "> OnTxTimeout\n\r" ); |
GregCr | 0:1ed39951ab7b | 202 | } |
GregCr | 0:1ed39951ab7b | 203 | |
GregCr | 0:1ed39951ab7b | 204 | void OnRxTimeout( void ) |
GregCr | 0:1ed39951ab7b | 205 | { |
GregCr | 0:1ed39951ab7b | 206 | Radio.Sleep( ); |
siiruxliu | 16:c790e9194eba | 207 | Buffer[ BufferSize ] = 0; |
GregCr | 0:1ed39951ab7b | 208 | State = RX_TIMEOUT; |
GregCr | 7:c1bbd6c56979 | 209 | debug_if( DEBUG_MESSAGE, "> OnRxTimeout\n\r" ); |
siiruxliu | 16:c790e9194eba | 210 | |
GregCr | 0:1ed39951ab7b | 211 | } |
GregCr | 0:1ed39951ab7b | 212 | |
GregCr | 0:1ed39951ab7b | 213 | void OnRxError( void ) |
GregCr | 0:1ed39951ab7b | 214 | { |
GregCr | 0:1ed39951ab7b | 215 | Radio.Sleep( ); |
GregCr | 0:1ed39951ab7b | 216 | State = RX_ERROR; |
GregCr | 7:c1bbd6c56979 | 217 | debug_if( DEBUG_MESSAGE, "> OnRxError\n\r" ); |
siiruxliu | 16:c790e9194eba | 218 | } |