Артём Захаров / Mbed 2 deprecated LoRaTransmitter

hg

Dependencies:   LoRaTransmitter mbed BME280 SX1272Lib

Dependents:   LoRaTransmitter

main.cpp@3:4e51739d3a97, 24 months ago (annotated)

Committer:
aizakharov
Date:
Sat Jun 11 14:20:20 2022 +0000
Revision:
3:4e51739d3a97
Parent:
1:30ce00fbab55 
hhjjhkxkhn

Who changed what in which revision?

UserRevisionLine numberNew contents of line
aizakharov 0:cc2b234b6255 1 #include "mbed.h"
aizakharov 0:cc2b234b6255 2 #include "main.h"
aizakharov 0:cc2b234b6255 3 #include "sx1272-hal.h"
aizakharov 0:cc2b234b6255 4 #include "debug.h"
aizakharov 3:4e51739d3a97 5 #include "BME280.h"
aizakharov 0:cc2b234b6255 6
aizakharov 3:4e51739d3a97 7
aizakharov 0:cc2b234b6255 8
aizakharov 0:cc2b234b6255 9 /* Set this flag to '1' to display debug messages on the console */
aizakharov 0:cc2b234b6255 10 #define DEBUG_MESSAGE 1
aizakharov 0:cc2b234b6255 11
aizakharov 0:cc2b234b6255 12 /* Set this flag to '1' to use the LoRa modulation or to '0' to use FSK modulation */
aizakharov 0:cc2b234b6255 13 #define USE_MODEM_LORA 1
aizakharov 0:cc2b234b6255 14 #define USE_MODEM_FSK !USE_MODEM_LORA
aizakharov 0:cc2b234b6255 15
aizakharov 0:cc2b234b6255 16 #define RF_FREQUENCY 868000000 // Hz
aizakharov 0:cc2b234b6255 17 #define TX_OUTPUT_POWER 14 // 14 dBm
aizakharov 0:cc2b234b6255 18
aizakharov 0:cc2b234b6255 19 #if USE_MODEM_LORA == 1
aizakharov 0:cc2b234b6255 20
aizakharov 0:cc2b234b6255 21 #define LORA_BANDWIDTH 2 // [0: 125 kHz,
aizakharov 0:cc2b234b6255 22 // 1: 250 kHz,
aizakharov 0:cc2b234b6255 23 // 2: 500 kHz,
aizakharov 0:cc2b234b6255 24 // 3: Reserved]
aizakharov 0:cc2b234b6255 25 #define LORA_SPREADING_FACTOR 7 // [SF7..SF12]
aizakharov 0:cc2b234b6255 26 #define LORA_CODINGRATE 1 // [1: 4/5,
aizakharov 0:cc2b234b6255 27 // 2: 4/6,
aizakharov 0:cc2b234b6255 28 // 3: 4/7,
aizakharov 0:cc2b234b6255 29 // 4: 4/8]
aizakharov 0:cc2b234b6255 30 #define LORA_PREAMBLE_LENGTH 8 // Same for Tx and Rx
aizakharov 0:cc2b234b6255 31 #define LORA_SYMBOL_TIMEOUT 5 // Symbols
aizakharov 0:cc2b234b6255 32 #define LORA_FIX_LENGTH_PAYLOAD_ON false
aizakharov 0:cc2b234b6255 33 #define LORA_FHSS_ENABLED false
aizakharov 0:cc2b234b6255 34 #define LORA_NB_SYMB_HOP 4
aizakharov 0:cc2b234b6255 35 #define LORA_IQ_INVERSION_ON false
aizakharov 0:cc2b234b6255 36 #define LORA_CRC_ENABLED true
aizakharov 0:cc2b234b6255 37
aizakharov 0:cc2b234b6255 38 #elif USE_MODEM_FSK == 1
aizakharov 0:cc2b234b6255 39
aizakharov 0:cc2b234b6255 40 #define FSK_FDEV 25000 // Hz
aizakharov 0:cc2b234b6255 41 #define FSK_DATARATE 19200 // bps
aizakharov 0:cc2b234b6255 42 #define FSK_BANDWIDTH 50000 // Hz
aizakharov 0:cc2b234b6255 43 #define FSK_AFC_BANDWIDTH 83333 // Hz
aizakharov 0:cc2b234b6255 44 #define FSK_PREAMBLE_LENGTH 5 // Same for Tx and Rx
aizakharov 0:cc2b234b6255 45 #define FSK_FIX_LENGTH_PAYLOAD_ON false
aizakharov 0:cc2b234b6255 46 #define FSK_CRC_ENABLED true
aizakharov 0:cc2b234b6255 47
aizakharov 0:cc2b234b6255 48 #else
aizakharov 0:cc2b234b6255 49 #error "Please define a modem in the compiler options."
aizakharov 0:cc2b234b6255 50 #endif
aizakharov 0:cc2b234b6255 51
aizakharov 0:cc2b234b6255 52 #define RX_TIMEOUT_VALUE 35000 // in ms
aizakharov 0:cc2b234b6255 53 #define BUFFER_SIZE 60 // Define the payload size here
aizakharov 0:cc2b234b6255 54
aizakharov 0:cc2b234b6255 55 #if( defined ( TARGET_KL25Z ) || defined ( TARGET_LPC11U6X ) )
aizakharov 0:cc2b234b6255 56 DigitalOut led( LED2 );
aizakharov 0:cc2b234b6255 57 #else
aizakharov 0:cc2b234b6255 58 DigitalOut led( LED1 );
aizakharov 0:cc2b234b6255 59 #endif
aizakharov 0:cc2b234b6255 60
aizakharov 3:4e51739d3a97 61 //Serial pc(USBTX, USBRX); // tx, rx
aizakharov 3:4e51739d3a97 62 AnalogIn ground(A1);
aizakharov 3:4e51739d3a97 63 BME280 sensor(I2C_SDA, I2C_SCL);
aizakharov 0:cc2b234b6255 64 Ticker measure;
aizakharov 3:4e51739d3a97 65
aizakharov 0:cc2b234b6255 66
aizakharov 3:4e51739d3a97 67
aizakharov 3:4e51739d3a97 68
aizakharov 0:cc2b234b6255 69
aizakharov 0:cc2b234b6255 70 /*
aizakharov 0:cc2b234b6255 71 * Global variables declarations
aizakharov 0:cc2b234b6255 72 */
aizakharov 0:cc2b234b6255 73 typedef enum
aizakharov 0:cc2b234b6255 74 {
aizakharov 0:cc2b234b6255 75 LOWPOWER = 0,
aizakharov 0:cc2b234b6255 76 IDLE,
aizakharov 0:cc2b234b6255 77
aizakharov 0:cc2b234b6255 78 RX,
aizakharov 0:cc2b234b6255 79 RX_TIMEOUT,
aizakharov 0:cc2b234b6255 80 RX_ERROR,
aizakharov 0:cc2b234b6255 81
aizakharov 0:cc2b234b6255 82 TX,
aizakharov 0:cc2b234b6255 83 TX_TIMEOUT,
aizakharov 0:cc2b234b6255 84
aizakharov 0:cc2b234b6255 85 CAD,
aizakharov 0:cc2b234b6255 86 CAD_DONE
aizakharov 0:cc2b234b6255 87 }AppStates_t;
aizakharov 0:cc2b234b6255 88
aizakharov 0:cc2b234b6255 89 volatile AppStates_t State = LOWPOWER;
aizakharov 0:cc2b234b6255 90
aizakharov 0:cc2b234b6255 91 /*!
aizakharov 0:cc2b234b6255 92 * Radio events function pointer
aizakharov 0:cc2b234b6255 93 */
aizakharov 0:cc2b234b6255 94 static RadioEvents_t RadioEvents;
aizakharov 0:cc2b234b6255 95
aizakharov 0:cc2b234b6255 96 /*
aizakharov 0:cc2b234b6255 97 * Global variables declarations
aizakharov 0:cc2b234b6255 98 */
aizakharov 0:cc2b234b6255 99 SX1272MB2xAS Radio( NULL );
aizakharov 0:cc2b234b6255 100
aizakharov 0:cc2b234b6255 101 //const uint8_t Msg[];
aizakharov 0:cc2b234b6255 102
aizakharov 0:cc2b234b6255 103 uint16_t BufferSize = BUFFER_SIZE;
aizakharov 0:cc2b234b6255 104 uint8_t Buffer[BUFFER_SIZE];
aizakharov 0:cc2b234b6255 105
aizakharov 0:cc2b234b6255 106 int16_t RssiValue = 0.0;
aizakharov 0:cc2b234b6255 107 int8_t SnrValue = 0.0;
aizakharov 0:cc2b234b6255 108 //float measured_sinus = 0.0;
aizakharov 0:cc2b234b6255 109 int16_t j = 0;
aizakharov 3:4e51739d3a97 110 float ground_hum, temperature, pressure, humidity;
aizakharov 1:30ce00fbab55 111
aizakharov 0:cc2b234b6255 112 uint16_t strSize = 0;
aizakharov 0:cc2b234b6255 113 char str[BUFFER_SIZE];
aizakharov 3:4e51739d3a97 114
aizakharov 1:30ce00fbab55 115
aizakharov 1:30ce00fbab55 116
aizakharov 0:cc2b234b6255 117
aizakharov 0:cc2b234b6255 118 void meas (void)
aizakharov 0:cc2b234b6255 119 {
aizakharov 0:cc2b234b6255 120
aizakharov 3:4e51739d3a97 121 ground_hum = ground;
aizakharov 3:4e51739d3a97 122 printf("Ground humidity is %5.2f%%\n\r", ground_hum*100);
aizakharov 3:4e51739d3a97 123 printf("%2.2f degC, %04.2f hPa, %2.2f %%\n\r", temperature, pressure, humidity);
aizakharov 3:4e51739d3a97 124 strSize = sprintf ( str, "%5.2f%%, %5.2f degC, %5.2f hPa, %5.2f %%", ground_hum*100, temperature, pressure, humidity);
aizakharov 3:4e51739d3a97 125 State = TX;
aizakharov 1:30ce00fbab55 126
aizakharov 3:4e51739d3a97 127
aizakharov 1:30ce00fbab55 128 }
aizakharov 1:30ce00fbab55 129
aizakharov 3:4e51739d3a97 130
aizakharov 0:cc2b234b6255 131
aizakharov 0:cc2b234b6255 132
aizakharov 0:cc2b234b6255 133
aizakharov 0:cc2b234b6255 134
aizakharov 0:cc2b234b6255 135
aizakharov 0:cc2b234b6255 136 int main( void )
aizakharov 0:cc2b234b6255 137 {
aizakharov 1:30ce00fbab55 138
aizakharov 0:cc2b234b6255 139
aizakharov 0:cc2b234b6255 140
aizakharov 0:cc2b234b6255 141
aizakharov 0:cc2b234b6255 142
aizakharov 0:cc2b234b6255 143
aizakharov 0:cc2b234b6255 144 //uint8_t i;
aizakharov 0:cc2b234b6255 145 //bool isMaster = true;
aizakharov 0:cc2b234b6255 146
aizakharov 0:cc2b234b6255 147 debug( "\n\n\r SX1272 Ping Pong Demo Application \n\n\r" );
aizakharov 0:cc2b234b6255 148
aizakharov 0:cc2b234b6255 149 // Initialize Radio driver
aizakharov 0:cc2b234b6255 150 RadioEvents.TxDone = OnTxDone;
aizakharov 0:cc2b234b6255 151 RadioEvents.RxDone = OnRxDone;
aizakharov 0:cc2b234b6255 152 RadioEvents.RxError = OnRxError;
aizakharov 0:cc2b234b6255 153 RadioEvents.TxTimeout = OnTxTimeout;
aizakharov 0:cc2b234b6255 154 RadioEvents.RxTimeout = OnRxTimeout;
aizakharov 0:cc2b234b6255 155 Radio.Init( &RadioEvents );
aizakharov 0:cc2b234b6255 156
aizakharov 0:cc2b234b6255 157 // verify the connection with the board
aizakharov 0:cc2b234b6255 158 while( Radio.Read( REG_VERSION ) == 0x00 )
aizakharov 0:cc2b234b6255 159 {
aizakharov 0:cc2b234b6255 160 debug( "Radio could not be detected!\n\r", NULL );
aizakharov 0:cc2b234b6255 161 wait( 1 );
aizakharov 0:cc2b234b6255 162 }
aizakharov 0:cc2b234b6255 163
aizakharov 0:cc2b234b6255 164 debug_if( ( DEBUG_MESSAGE & ( Radio.DetectBoardType( ) == SX1272MB2XAS ) ), "\n\r > Board Type: SX1272MB2xAS < \n\r" );
aizakharov 0:cc2b234b6255 165
aizakharov 0:cc2b234b6255 166 Radio.SetChannel( RF_FREQUENCY );
aizakharov 0:cc2b234b6255 167
aizakharov 0:cc2b234b6255 168 #if USE_MODEM_LORA == 1
aizakharov 0:cc2b234b6255 169
aizakharov 0:cc2b234b6255 170 debug_if( LORA_FHSS_ENABLED, "\n\n\r > LORA FHSS Mode < \n\n\r" );
aizakharov 0:cc2b234b6255 171 debug_if( !LORA_FHSS_ENABLED, "\n\n\r > LORA Mode < \n\n\r" );
aizakharov 0:cc2b234b6255 172
aizakharov 0:cc2b234b6255 173 Radio.SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, LORA_BANDWIDTH,
aizakharov 0:cc2b234b6255 174 LORA_SPREADING_FACTOR, LORA_CODINGRATE,
aizakharov 0:cc2b234b6255 175 LORA_PREAMBLE_LENGTH, LORA_FIX_LENGTH_PAYLOAD_ON,
aizakharov 0:cc2b234b6255 176 LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP,
aizakharov 0:cc2b234b6255 177 LORA_IQ_INVERSION_ON, 2000 );
aizakharov 0:cc2b234b6255 178
aizakharov 0:cc2b234b6255 179 Radio.SetRxConfig( MODEM_LORA, LORA_BANDWIDTH, LORA_SPREADING_FACTOR,
aizakharov 0:cc2b234b6255 180 LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH,
aizakharov 0:cc2b234b6255 181 LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON, 0,
aizakharov 0:cc2b234b6255 182 LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP,
aizakharov 0:cc2b234b6255 183 LORA_IQ_INVERSION_ON, true );
aizakharov 0:cc2b234b6255 184
aizakharov 0:cc2b234b6255 185 #elif USE_MODEM_FSK == 1
aizakharov 0:cc2b234b6255 186
aizakharov 0:cc2b234b6255 187 debug("\n\n\r > FSK Mode < \n\n\r" );
aizakharov 0:cc2b234b6255 188 Radio.SetTxConfig( MODEM_FSK, TX_OUTPUT_POWER, FSK_FDEV, 0,
aizakharov 0:cc2b234b6255 189 FSK_DATARATE, 0,
aizakharov 0:cc2b234b6255 190 FSK_PREAMBLE_LENGTH, FSK_FIX_LENGTH_PAYLOAD_ON,
aizakharov 0:cc2b234b6255 191 FSK_CRC_ENABLED, 0, 0, 0, 2000 );
aizakharov 0:cc2b234b6255 192
aizakharov 0:cc2b234b6255 193 Radio.SetRxConfig( MODEM_FSK, FSK_BANDWIDTH, FSK_DATARATE,
aizakharov 0:cc2b234b6255 194 0, FSK_AFC_BANDWIDTH, FSK_PREAMBLE_LENGTH,
aizakharov 0:cc2b234b6255 195 0, FSK_FIX_LENGTH_PAYLOAD_ON, 0, FSK_CRC_ENABLED,
aizakharov 0:cc2b234b6255 196 0, 0, false, true );
aizakharov 0:cc2b234b6255 197
aizakharov 0:cc2b234b6255 198 #else
aizakharov 0:cc2b234b6255 199
aizakharov 0:cc2b234b6255 200 #error "Please define a modem in the compiler options."
aizakharov 0:cc2b234b6255 201
aizakharov 0:cc2b234b6255 202 #endif
aizakharov 0:cc2b234b6255 203
aizakharov 0:cc2b234b6255 204 //debug_if( DEBUG_MESSAGE, "Starting Ping-Pong loop\r\n" );
aizakharov 0:cc2b234b6255 205
aizakharov 0:cc2b234b6255 206 led = 0;
aizakharov 0:cc2b234b6255 207
aizakharov 0:cc2b234b6255 208 //Radio.Rx( RX_TIMEOUT_VALUE );
aizakharov 0:cc2b234b6255 209
aizakharov 0:cc2b234b6255 210
aizakharov 0:cc2b234b6255 211 //int n = 0;
aizakharov 0:cc2b234b6255 212
aizakharov 0:cc2b234b6255 213
aizakharov 0:cc2b234b6255 214
aizakharov 0:cc2b234b6255 215
aizakharov 3:4e51739d3a97 216 measure.attach(&meas, 5);
aizakharov 0:cc2b234b6255 217
aizakharov 0:cc2b234b6255 218 while( 1 )
aizakharov 0:cc2b234b6255 219 {
aizakharov 1:30ce00fbab55 220
aizakharov 0:cc2b234b6255 221
aizakharov 0:cc2b234b6255 222
aizakharov 0:cc2b234b6255 223
aizakharov 0:cc2b234b6255 224
aizakharov 1:30ce00fbab55 225 switch( State )
aizakharov 0:cc2b234b6255 226 {
aizakharov 0:cc2b234b6255 227 case RX:
aizakharov 1:30ce00fbab55 228
aizakharov 0:cc2b234b6255 229 //Radio.Rx( RX_TIMEOUT_VALUE );
aizakharov 0:cc2b234b6255 230 State = LOWPOWER;
aizakharov 0:cc2b234b6255 231 break;
aizakharov 0:cc2b234b6255 232 case TX:
aizakharov 0:cc2b234b6255 233
aizakharov 0:cc2b234b6255 234 strcpy(( char* )Buffer, ( char* ) str);
aizakharov 1:30ce00fbab55 235 Radio.Send((uint8_t *) Buffer, BufferSize );
aizakharov 0:cc2b234b6255 236 //Radio.Rx( RX_TIMEOUT_VALUE );
aizakharov 0:cc2b234b6255 237 State = LOWPOWER;
aizakharov 0:cc2b234b6255 238 break;
aizakharov 0:cc2b234b6255 239 case RX_TIMEOUT:
aizakharov 0:cc2b234b6255 240 Radio.Rx( RX_TIMEOUT_VALUE );
aizakharov 0:cc2b234b6255 241 State = LOWPOWER;
aizakharov 0:cc2b234b6255 242 break;
aizakharov 0:cc2b234b6255 243 case RX_ERROR:
aizakharov 3:4e51739d3a97 244 Radio.Rx( RX_TIMEOUT_VALUE );
aizakharov 0:cc2b234b6255 245 State = LOWPOWER;
aizakharov 0:cc2b234b6255 246 break;
aizakharov 0:cc2b234b6255 247 case TX_TIMEOUT:
aizakharov 1:30ce00fbab55 248 Radio.Rx( RX_TIMEOUT_VALUE );
aizakharov 0:cc2b234b6255 249 State = LOWPOWER;
aizakharov 0:cc2b234b6255 250 break;
aizakharov 0:cc2b234b6255 251 case LOWPOWER:
aizakharov 0:cc2b234b6255 252 break;
aizakharov 0:cc2b234b6255 253 default:
aizakharov 0:cc2b234b6255 254 State = LOWPOWER;
aizakharov 0:cc2b234b6255 255 break;
aizakharov 0:cc2b234b6255 256 }
aizakharov 3:4e51739d3a97 257 temperature = sensor.getTemperature();
aizakharov 3:4e51739d3a97 258 pressure = sensor.getPressure();
aizakharov 3:4e51739d3a97 259 humidity = sensor.getHumidity();
aizakharov 3:4e51739d3a97 260
aizakharov 1:30ce00fbab55 261 wait(5);
aizakharov 0:cc2b234b6255 262 }
aizakharov 0:cc2b234b6255 263 }
aizakharov 0:cc2b234b6255 264
aizakharov 0:cc2b234b6255 265 void OnTxDone( void )
aizakharov 0:cc2b234b6255 266 {
aizakharov 0:cc2b234b6255 267 Radio.Sleep( );
aizakharov 0:cc2b234b6255 268 State = TX;
aizakharov 0:cc2b234b6255 269 debug_if( DEBUG_MESSAGE, "\r\n> OnTxDone\n\r" );
aizakharov 0:cc2b234b6255 270 }
aizakharov 0:cc2b234b6255 271
aizakharov 0:cc2b234b6255 272 void OnRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr )
aizakharov 0:cc2b234b6255 273 {
aizakharov 0:cc2b234b6255 274 Radio.Sleep( );
aizakharov 0:cc2b234b6255 275 BufferSize = size;
aizakharov 0:cc2b234b6255 276 memcpy( Buffer, payload, BufferSize );
aizakharov 0:cc2b234b6255 277 RssiValue = rssi;
aizakharov 0:cc2b234b6255 278 SnrValue = snr;
aizakharov 0:cc2b234b6255 279
aizakharov 0:cc2b234b6255 280 State = RX;
aizakharov 0:cc2b234b6255 281 debug_if( DEBUG_MESSAGE, "\r\n> OnRxDone\n\r" );
aizakharov 0:cc2b234b6255 282 }
aizakharov 0:cc2b234b6255 283
aizakharov 0:cc2b234b6255 284 void OnTxTimeout( void )
aizakharov 0:cc2b234b6255 285 {
aizakharov 0:cc2b234b6255 286 Radio.Sleep( );
aizakharov 0:cc2b234b6255 287 State = TX_TIMEOUT;
aizakharov 0:cc2b234b6255 288 debug_if( DEBUG_MESSAGE, "\r\n> OnTxTimeout\n\r" );
aizakharov 0:cc2b234b6255 289 }
aizakharov 0:cc2b234b6255 290
aizakharov 0:cc2b234b6255 291 void OnRxTimeout( void )
aizakharov 0:cc2b234b6255 292 {
aizakharov 0:cc2b234b6255 293 Radio.Sleep( );
aizakharov 0:cc2b234b6255 294 Buffer[BufferSize] = 0;
aizakharov 0:cc2b234b6255 295 State = RX_TIMEOUT;
aizakharov 0:cc2b234b6255 296 debug_if( DEBUG_MESSAGE, "\r\n> OnRxTimeout\n\r" );
aizakharov 0:cc2b234b6255 297 }
aizakharov 0:cc2b234b6255 298
aizakharov 0:cc2b234b6255 299 void OnRxError( void )
aizakharov 0:cc2b234b6255 300 {
aizakharov 0:cc2b234b6255 301 Radio.Sleep( );
aizakharov 0:cc2b234b6255 302 State = RX_ERROR;
aizakharov 0:cc2b234b6255 303 debug_if( DEBUG_MESSAGE, "\r\n> OnRxError\n\r" );
aizakharov 0:cc2b234b6255 304 }