works with TTN and cheap STM32F103C8T6 boards
Dependencies: LMiC_CFG_eu868 SX1276Lib mbed-STM32F103C8T6 mbed
Fork of LoRaWAN-lmic-app by
STM32F103C8T6 + RFM95 LoRa Node
flash board wirh STLink
openocd -f interface/stlink-v2.cfg -f target/stm32f1x_stlink.cfg \ -c "program STM32F103C8T6_LoRaWAN-lmic-app_NUCLEO_F103RB.bin exit verify reset 0x08000000"
main.cpp@7:4fd11bbd131e, 2016-11-10 (annotated)
- Committer:
- orangeway
- Date:
- Thu Nov 10 23:21:44 2016 +0000
- Revision:
- 7:4fd11bbd131e
- Parent:
- 6:b2e833061c1f
works with TTN and cheap STM32F103C8T6 boards
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
sam_grove | 3:ce28e3313a88 | 1 | /* |
mluis | 0:a2929fa6e4f0 | 2 | / _____) _ | | |
mluis | 0:a2929fa6e4f0 | 3 | ( (____ _____ ____ _| |_ _____ ____| |__ |
mluis | 0:a2929fa6e4f0 | 4 | \____ \| ___ | (_ _) ___ |/ ___) _ \ |
mluis | 0:a2929fa6e4f0 | 5 | _____) ) ____| | | || |_| ____( (___| | | | |
mluis | 0:a2929fa6e4f0 | 6 | (______/|_____)_|_|_| \__)_____)\____)_| |_| |
mluis | 1:60184eda0066 | 7 | (C)2015 Semtech |
mluis | 0:a2929fa6e4f0 | 8 | |
mluis | 1:60184eda0066 | 9 | Description: MBED LoRaWAN example application |
mluis | 0:a2929fa6e4f0 | 10 | |
mluis | 0:a2929fa6e4f0 | 11 | License: Revised BSD License, see LICENSE.TXT file include in the project |
mluis | 0:a2929fa6e4f0 | 12 | |
mluis | 0:a2929fa6e4f0 | 13 | Maintainer: Miguel Luis and Gregory Cristian |
mluis | 0:a2929fa6e4f0 | 14 | */ |
mluis | 1:60184eda0066 | 15 | #include "mbed.h" |
mluis | 1:60184eda0066 | 16 | |
mluis | 0:a2929fa6e4f0 | 17 | #include "lmic.h" |
mluis | 1:60184eda0066 | 18 | #include "debug.h" |
mluis | 0:a2929fa6e4f0 | 19 | |
mluis | 0:a2929fa6e4f0 | 20 | /*! |
mluis | 0:a2929fa6e4f0 | 21 | * When set to 1 the application uses the Over-the-Air activation procedure |
mluis | 0:a2929fa6e4f0 | 22 | * When set to 0 the application uses the Personalization activation procedure |
mluis | 0:a2929fa6e4f0 | 23 | */ |
mluis | 0:a2929fa6e4f0 | 24 | #define OVER_THE_AIR_ACTIVATION 0 |
mluis | 0:a2929fa6e4f0 | 25 | |
mluis | 1:60184eda0066 | 26 | /*! |
mluis | 1:60184eda0066 | 27 | * Defines the application data transmission duty cycle |
mluis | 1:60184eda0066 | 28 | */ |
mluis | 1:60184eda0066 | 29 | #define APP_TX_DUTYCYCLE 5000 // 5 [s] value in ms |
mluis | 1:60184eda0066 | 30 | #define APP_TX_DUTYCYCLE_RND 1000 // 1 [s] value in ms |
mluis | 1:60184eda0066 | 31 | |
mluis | 1:60184eda0066 | 32 | /*! |
mluis | 1:60184eda0066 | 33 | * LoRaWAN Adaptative Data Rate |
mluis | 1:60184eda0066 | 34 | */ |
mluis | 1:60184eda0066 | 35 | #define LORAWAN_ADR_ON 1 |
mluis | 1:60184eda0066 | 36 | |
mluis | 1:60184eda0066 | 37 | /*! |
mluis | 1:60184eda0066 | 38 | * LoRaWAN confirmed messages |
mluis | 1:60184eda0066 | 39 | */ |
orangeway | 6:b2e833061c1f | 40 | #define LORAWAN_CONFIRMED_MSG_ON 0 |
mluis | 1:60184eda0066 | 41 | |
mluis | 1:60184eda0066 | 42 | /*! |
mluis | 1:60184eda0066 | 43 | * LoRaWAN application port |
mluis | 1:60184eda0066 | 44 | */ |
mluis | 1:60184eda0066 | 45 | #define LORAWAN_APP_PORT 15 |
mluis | 1:60184eda0066 | 46 | |
mluis | 1:60184eda0066 | 47 | /*! |
mluis | 1:60184eda0066 | 48 | * User application data buffer size |
mluis | 1:60184eda0066 | 49 | */ |
mluis | 1:60184eda0066 | 50 | #if ( LORAWAN_CONFIRMED_MSG_ON == 1 ) |
mluis | 1:60184eda0066 | 51 | #define LORAWAN_APP_DATA_SIZE 6 |
mluis | 1:60184eda0066 | 52 | |
mluis | 1:60184eda0066 | 53 | #else |
mluis | 1:60184eda0066 | 54 | #define LORAWAN_APP_DATA_SIZE 1 |
mluis | 1:60184eda0066 | 55 | |
mluis | 1:60184eda0066 | 56 | #endif |
mluis | 0:a2929fa6e4f0 | 57 | |
mluis | 0:a2929fa6e4f0 | 58 | ////////////////////////////////////////////////// |
mluis | 0:a2929fa6e4f0 | 59 | // CONFIGURATION (FOR APPLICATION CALLBACKS BELOW) |
mluis | 0:a2929fa6e4f0 | 60 | ////////////////////////////////////////////////// |
mluis | 0:a2929fa6e4f0 | 61 | |
mluis | 0:a2929fa6e4f0 | 62 | // application router ID (LSBF) |
orangeway | 6:b2e833061c1f | 63 | static const uint8_t AppEui[8] = { 0x5F, 0x14, 0x00, 0xD0, 0x7E, 0xD5, 0xB3, 0x70 }; |
mluis | 0:a2929fa6e4f0 | 64 | |
mluis | 0:a2929fa6e4f0 | 65 | // unique device ID (LSBF) |
orangeway | 6:b2e833061c1f | 66 | static const u1_t DevEui[8] = { 0xDE, 0x3B, 0x5D, 0xEA, 0x00, 0x00, 0x00, 0x00 }; |
mluis | 0:a2929fa6e4f0 | 67 | |
mluis | 0:a2929fa6e4f0 | 68 | // device-specific AES key (derived from device EUI) |
orangeway | 6:b2e833061c1f | 69 | static const uint8_t DevKey[16] = { 0x3C, 0x4F, 0xCF, 0x09, 0x88, 0x15, 0xF7, 0xAB, |
orangeway | 6:b2e833061c1f | 70 | 0xA6, 0xD2, 0xAE, 0x28, 0x16, 0x15, 0x7E, 0x2B }; |
mluis | 0:a2929fa6e4f0 | 71 | |
mluis | 1:60184eda0066 | 72 | #if( OVER_THE_AIR_ACTIVATION == 0 ) |
mluis | 1:60184eda0066 | 73 | // network session key |
orangeway | 6:b2e833061c1f | 74 | static uint8_t NwkSKey[] = { 0x3C, 0x4F, 0xCF, 0x09, 0x88, 0x15, 0xF7, 0xAB, |
orangeway | 6:b2e833061c1f | 75 | 0xA6, 0xD2, 0xAE, 0x28, 0x16, 0x15, 0x7E, 0x2B }; |
mluis | 0:a2929fa6e4f0 | 76 | |
mluis | 1:60184eda0066 | 77 | // application session key |
orangeway | 6:b2e833061c1f | 78 | static uint8_t ArtSKey[] = { 0x0D, 0xAB, 0x37, 0x36, 0xB4, 0x49, 0x6B, 0xC3, |
orangeway | 6:b2e833061c1f | 79 | 0xFA, 0x68, 0x0D, 0x28, 0x52, 0x73, 0x12, 0x6F }; |
orangeway | 6:b2e833061c1f | 80 | |
orangeway | 6:b2e833061c1f | 81 | // LoRaWAN network ID |
orangeway | 6:b2e833061c1f | 82 | static const uint32_t NetId = 0x00000001; |
orangeway | 6:b2e833061c1f | 83 | |
orangeway | 6:b2e833061c1f | 84 | // LoRaWAN end-device address (DevAddr) |
orangeway | 6:b2e833061c1f | 85 | // See http://thethingsnetwork.org/wiki/AddressSpace |
orangeway | 6:b2e833061c1f | 86 | static const uint32_t DevAddr = 0xEA5D3BDE ; // <-- Change this address for every node! |
mluis | 0:a2929fa6e4f0 | 87 | |
mluis | 1:60184eda0066 | 88 | #endif |
mluis | 1:60184eda0066 | 89 | |
orangeway | 6:b2e833061c1f | 90 | |
mluis | 0:a2929fa6e4f0 | 91 | // LEDs and Frame jobs |
mluis | 0:a2929fa6e4f0 | 92 | osjob_t rxLedJob; |
mluis | 0:a2929fa6e4f0 | 93 | osjob_t txLedJob; |
mluis | 0:a2929fa6e4f0 | 94 | osjob_t sendFrameJob; |
mluis | 0:a2929fa6e4f0 | 95 | |
mluis | 1:60184eda0066 | 96 | // LED state |
mluis | 0:a2929fa6e4f0 | 97 | static bool AppLedStateOn = false; |
mluis | 0:a2929fa6e4f0 | 98 | |
mluis | 0:a2929fa6e4f0 | 99 | ////////////////////////////////////////////////// |
mluis | 1:60184eda0066 | 100 | // Utility functions |
mluis | 1:60184eda0066 | 101 | ////////////////////////////////////////////////// |
mluis | 1:60184eda0066 | 102 | /*! |
mluis | 1:60184eda0066 | 103 | * \brief Computes a random number between min and max |
mluis | 1:60184eda0066 | 104 | * |
mluis | 1:60184eda0066 | 105 | * \param [IN] min range minimum value |
mluis | 1:60184eda0066 | 106 | * \param [IN] max range maximum value |
mluis | 1:60184eda0066 | 107 | * \retval random random value in range min..max |
mluis | 1:60184eda0066 | 108 | */ |
mluis | 1:60184eda0066 | 109 | int32_t randr( int32_t min, int32_t max ) |
mluis | 1:60184eda0066 | 110 | { |
mluis | 1:60184eda0066 | 111 | return ( int32_t )rand( ) % ( max - min + 1 ) + min; |
mluis | 1:60184eda0066 | 112 | } |
mluis | 1:60184eda0066 | 113 | |
mluis | 1:60184eda0066 | 114 | ////////////////////////////////////////////////// |
mluis | 0:a2929fa6e4f0 | 115 | // APPLICATION CALLBACKS |
mluis | 0:a2929fa6e4f0 | 116 | ////////////////////////////////////////////////// |
mluis | 0:a2929fa6e4f0 | 117 | |
mluis | 0:a2929fa6e4f0 | 118 | // provide application router ID (8 bytes, LSBF) |
mluis | 1:60184eda0066 | 119 | void os_getArtEui( uint8_t *buf ) |
mluis | 0:a2929fa6e4f0 | 120 | { |
mluis | 0:a2929fa6e4f0 | 121 | memcpy( buf, AppEui, 8 ); |
mluis | 0:a2929fa6e4f0 | 122 | } |
mluis | 0:a2929fa6e4f0 | 123 | |
mluis | 0:a2929fa6e4f0 | 124 | // provide device ID (8 bytes, LSBF) |
mluis | 1:60184eda0066 | 125 | void os_getDevEui( uint8_t *buf ) |
mluis | 0:a2929fa6e4f0 | 126 | { |
mluis | 0:a2929fa6e4f0 | 127 | memcpy( buf, DevEui, 8 ); |
mluis | 0:a2929fa6e4f0 | 128 | } |
mluis | 0:a2929fa6e4f0 | 129 | |
mluis | 0:a2929fa6e4f0 | 130 | // provide device key (16 bytes) |
mluis | 1:60184eda0066 | 131 | void os_getDevKey( uint8_t *buf ) |
mluis | 0:a2929fa6e4f0 | 132 | { |
mluis | 0:a2929fa6e4f0 | 133 | memcpy( buf, DevKey, 16 ); |
mluis | 0:a2929fa6e4f0 | 134 | } |
mluis | 0:a2929fa6e4f0 | 135 | |
mluis | 0:a2929fa6e4f0 | 136 | ////////////////////////////////////////////////// |
mluis | 0:a2929fa6e4f0 | 137 | // MAIN - INITIALIZATION AND STARTUP |
mluis | 0:a2929fa6e4f0 | 138 | ////////////////////////////////////////////////// |
mluis | 0:a2929fa6e4f0 | 139 | |
mluis | 0:a2929fa6e4f0 | 140 | static void onRxLed( osjob_t* j ) |
mluis | 0:a2929fa6e4f0 | 141 | { |
mluis | 1:60184eda0066 | 142 | debug_val("LED2 = ", 0 ); |
mluis | 0:a2929fa6e4f0 | 143 | } |
mluis | 0:a2929fa6e4f0 | 144 | |
mluis | 0:a2929fa6e4f0 | 145 | static void onTxLed( osjob_t* j ) |
mluis | 0:a2929fa6e4f0 | 146 | { |
mluis | 1:60184eda0066 | 147 | debug_val("LED1 = ", 0 ); |
mluis | 0:a2929fa6e4f0 | 148 | } |
mluis | 0:a2929fa6e4f0 | 149 | |
mluis | 0:a2929fa6e4f0 | 150 | static void prepareTxFrame( void ) |
mluis | 0:a2929fa6e4f0 | 151 | { |
mluis | 0:a2929fa6e4f0 | 152 | LMIC.frame[0] = AppLedStateOn; |
mluis | 1:60184eda0066 | 153 | #if ( LORAWAN_CONFIRMED_MSG_ON == 1 ) |
mluis | 1:60184eda0066 | 154 | LMIC.frame[1] = LMIC.seqnoDn >> 8; |
mluis | 1:60184eda0066 | 155 | LMIC.frame[2] = LMIC.seqnoDn; |
mluis | 1:60184eda0066 | 156 | LMIC.frame[3] = LMIC.rssi >> 8; |
mluis | 1:60184eda0066 | 157 | LMIC.frame[4] = LMIC.rssi; |
mluis | 1:60184eda0066 | 158 | LMIC.frame[5] = LMIC.snr; |
mluis | 1:60184eda0066 | 159 | #endif |
mluis | 0:a2929fa6e4f0 | 160 | } |
mluis | 0:a2929fa6e4f0 | 161 | |
mluis | 0:a2929fa6e4f0 | 162 | void processRxFrame( void ) |
mluis | 0:a2929fa6e4f0 | 163 | { |
mluis | 0:a2929fa6e4f0 | 164 | switch( LMIC.frame[LMIC.dataBeg - 1] ) // Check Rx port number |
mluis | 0:a2929fa6e4f0 | 165 | { |
mluis | 0:a2929fa6e4f0 | 166 | case 1: // The application LED can be controlled on port 1 or 2 |
mluis | 0:a2929fa6e4f0 | 167 | case 2: |
mluis | 0:a2929fa6e4f0 | 168 | if( LMIC.dataLen == 1 ) |
mluis | 0:a2929fa6e4f0 | 169 | { |
mluis | 0:a2929fa6e4f0 | 170 | AppLedStateOn = LMIC.frame[LMIC.dataBeg] & 0x01; |
mluis | 1:60184eda0066 | 171 | debug_val( "LED3 = ", AppLedStateOn ); |
mluis | 0:a2929fa6e4f0 | 172 | } |
mluis | 0:a2929fa6e4f0 | 173 | break; |
mluis | 0:a2929fa6e4f0 | 174 | default: |
mluis | 0:a2929fa6e4f0 | 175 | break; |
mluis | 0:a2929fa6e4f0 | 176 | } |
mluis | 0:a2929fa6e4f0 | 177 | } |
mluis | 0:a2929fa6e4f0 | 178 | |
mluis | 0:a2929fa6e4f0 | 179 | static void onSendFrame( osjob_t* j ) |
mluis | 0:a2929fa6e4f0 | 180 | { |
mluis | 0:a2929fa6e4f0 | 181 | prepareTxFrame( ); |
mluis | 1:60184eda0066 | 182 | LMIC_setTxData2( LORAWAN_APP_PORT, LMIC.frame, LORAWAN_APP_DATA_SIZE, LORAWAN_CONFIRMED_MSG_ON ); |
mluis | 1:60184eda0066 | 183 | |
mluis | 1:60184eda0066 | 184 | // Blink Tx LED |
mluis | 1:60184eda0066 | 185 | debug_val( "LED1 = ", 1 ); |
mluis | 1:60184eda0066 | 186 | os_setTimedCallback( &txLedJob, os_getTime( ) + ms2osticks( 25 ), onTxLed ); |
mluis | 0:a2929fa6e4f0 | 187 | } |
mluis | 0:a2929fa6e4f0 | 188 | |
mluis | 1:60184eda0066 | 189 | // Initialization job |
mluis | 1:60184eda0066 | 190 | static void onInit( osjob_t* j ) |
mluis | 1:60184eda0066 | 191 | { |
mluis | 1:60184eda0066 | 192 | // reset MAC state |
mluis | 1:60184eda0066 | 193 | LMIC_reset( ); |
mluis | 1:60184eda0066 | 194 | LMIC_setAdrMode( LORAWAN_ADR_ON ); |
mluis | 5:1b2fcc2582e8 | 195 | #if defined(CFG_eu868) |
mluis | 1:60184eda0066 | 196 | LMIC_setDrTxpow( DR_SF12, 14 ); |
mluis | 5:1b2fcc2582e8 | 197 | #elif defined(CFG_us915) |
mluis | 5:1b2fcc2582e8 | 198 | LMIC_setDrTxpow( DR_SF10, 14 ); |
mluis | 5:1b2fcc2582e8 | 199 | #endif |
mluis | 1:60184eda0066 | 200 | |
mluis | 1:60184eda0066 | 201 | // start joining |
mluis | 1:60184eda0066 | 202 | #if( OVER_THE_AIR_ACTIVATION != 0 ) |
mluis | 1:60184eda0066 | 203 | LMIC_startJoining( ); |
mluis | 1:60184eda0066 | 204 | #else |
orangeway | 6:b2e833061c1f | 205 | LMIC_setSession( NetId, DevAddr, NwkSKey, ArtSKey ); |
mluis | 1:60184eda0066 | 206 | onSendFrame( NULL ); |
mluis | 1:60184eda0066 | 207 | #endif |
mluis | 1:60184eda0066 | 208 | // init done - onEvent( ) callback will be invoked... |
mluis | 1:60184eda0066 | 209 | } |
mluis | 1:60184eda0066 | 210 | |
mluis | 1:60184eda0066 | 211 | int main( void ) |
mluis | 0:a2929fa6e4f0 | 212 | { |
mluis | 0:a2929fa6e4f0 | 213 | osjob_t initjob; |
orangeway | 6:b2e833061c1f | 214 | |
orangeway | 6:b2e833061c1f | 215 | debug_init (); |
mluis | 0:a2929fa6e4f0 | 216 | |
mluis | 0:a2929fa6e4f0 | 217 | // initialize runtime env |
mluis | 0:a2929fa6e4f0 | 218 | os_init( ); |
mluis | 0:a2929fa6e4f0 | 219 | // setup initial job |
mluis | 0:a2929fa6e4f0 | 220 | os_setCallback( &initjob, onInit ); |
mluis | 0:a2929fa6e4f0 | 221 | // execute scheduled jobs and events |
mluis | 0:a2929fa6e4f0 | 222 | os_runloop( ); |
mluis | 0:a2929fa6e4f0 | 223 | // (not reached) |
mluis | 0:a2929fa6e4f0 | 224 | } |
mluis | 0:a2929fa6e4f0 | 225 | |
mluis | 0:a2929fa6e4f0 | 226 | ////////////////////////////////////////////////// |
mluis | 0:a2929fa6e4f0 | 227 | // LMIC EVENT CALLBACK |
mluis | 0:a2929fa6e4f0 | 228 | ////////////////////////////////////////////////// |
mluis | 0:a2929fa6e4f0 | 229 | void onEvent( ev_t ev ) |
mluis | 0:a2929fa6e4f0 | 230 | { |
mluis | 0:a2929fa6e4f0 | 231 | bool txOn = false; |
mluis | 1:60184eda0066 | 232 | debug_event( ev ); |
mluis | 0:a2929fa6e4f0 | 233 | |
mluis | 0:a2929fa6e4f0 | 234 | switch( ev ) |
mluis | 0:a2929fa6e4f0 | 235 | { |
mluis | 0:a2929fa6e4f0 | 236 | // network joined, session established |
mluis | 0:a2929fa6e4f0 | 237 | case EV_JOINED: |
mluis | 1:60184eda0066 | 238 | debug_val( "Net ID = ", LMIC.netid ); |
mluis | 0:a2929fa6e4f0 | 239 | txOn = true; |
mluis | 0:a2929fa6e4f0 | 240 | break; |
mluis | 0:a2929fa6e4f0 | 241 | // scheduled data sent (optionally data received) |
mluis | 0:a2929fa6e4f0 | 242 | case EV_TXCOMPLETE: |
mluis | 1:60184eda0066 | 243 | debug_val( "Datarate = ", LMIC.datarate ); |
mluis | 0:a2929fa6e4f0 | 244 | // Check if we have a downlink on either Rx1 or Rx2 windows |
mluis | 1:60184eda0066 | 245 | if( ( LMIC.txrxFlags & ( TXRX_DNW1 | TXRX_DNW2 ) ) != 0 ) |
mluis | 0:a2929fa6e4f0 | 246 | { |
mluis | 1:60184eda0066 | 247 | debug_val( "LED2 = ", 1 ); |
mluis | 1:60184eda0066 | 248 | os_setTimedCallback( &rxLedJob, os_getTime( ) + ms2osticks( 25 ), onRxLed ); |
mluis | 0:a2929fa6e4f0 | 249 | |
mluis | 1:60184eda0066 | 250 | if( LMIC.dataLen != 0 ) |
mluis | 0:a2929fa6e4f0 | 251 | { // data received in rx slot after tx |
mluis | 1:60184eda0066 | 252 | debug_buf( LMIC.frame + LMIC.dataBeg, LMIC.dataLen ); |
mluis | 0:a2929fa6e4f0 | 253 | processRxFrame( ); |
mluis | 0:a2929fa6e4f0 | 254 | } |
mluis | 0:a2929fa6e4f0 | 255 | } |
mluis | 0:a2929fa6e4f0 | 256 | txOn = true; |
mluis | 0:a2929fa6e4f0 | 257 | break; |
mluis | 0:a2929fa6e4f0 | 258 | default: |
mluis | 0:a2929fa6e4f0 | 259 | break; |
mluis | 0:a2929fa6e4f0 | 260 | } |
mluis | 0:a2929fa6e4f0 | 261 | if( txOn == true ) |
mluis | 0:a2929fa6e4f0 | 262 | { |
mluis | 1:60184eda0066 | 263 | //Sends frame every APP_TX_DUTYCYCLE +/- APP_TX_DUTYCYCLE_RND random time (if not duty cycle limited) |
mluis | 1:60184eda0066 | 264 | os_setTimedCallback( &sendFrameJob, |
mluis | 1:60184eda0066 | 265 | os_getTime( ) + ms2osticks( APP_TX_DUTYCYCLE + randr( -APP_TX_DUTYCYCLE_RND, APP_TX_DUTYCYCLE_RND ) ), |
mluis | 1:60184eda0066 | 266 | onSendFrame ); |
mluis | 0:a2929fa6e4f0 | 267 | |
mluis | 1:60184eda0066 | 268 | ////Sends frame as soon as possible (duty cylce limitations) |
mluis | 1:60184eda0066 | 269 | //onSendFrame( NULL ); |
mluis | 0:a2929fa6e4f0 | 270 | } |
mluis | 0:a2929fa6e4f0 | 271 | } |