Dependencies: STM32F103c8t6-LoRaWAN-lmic SX1276Lib mbed-STM32F103C8T6 mbed
Fork of LoRaWAN-lmic-app by
main.cpp
- Committer:
- mistery
- Date:
- 2017-04-19
- Revision:
- 6:6fe6c547ba55
- Parent:
- 5:1b2fcc2582e8
File content as of revision 6:6fe6c547ba55:
/* / _____) _ | | ( (____ _____ ____ _| |_ _____ ____| |__ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| (C)2015 Semtech Description: MBED LoRaWAN example application License: Revised BSD License, see LICENSE.TXT file include in the project Maintainer: Miguel Luis and Gregory Cristian */ #include "stm32f103c8t6.h" #include "mbed.h" #include "lmic.h" #include "debug.h" /*! * When set to 1 the application uses the Over-the-Air activation procedure * When set to 0 the application uses the Personalization activation procedure */ #define SINGLE_CHANNEL_GATEWAY 1 #define OVER_THE_AIR_ACTIVATION 1 #if( OVER_THE_AIR_ACTIVATION == 0 ) /*! * Defines the network ID when using personalization activation procedure */ #define LORAWAN_NET_ID ( uint32_t )0x00000000 /*! * Defines the device address when using personalization activation procedure */ #define LORAWAN_DEV_ADDR ( uint32_t )0x12345679 #endif /*! * Defines the application data transmission duty cycle */ #define APP_TX_DUTYCYCLE 60000 // 5 [s] value in ms 1min #define APP_TX_DUTYCYCLE_RND 50000 // 1 [s] value in ms /*! * LoRaWAN Adaptative Data Rate */ #define LORAWAN_ADR_ON 1 //#define LORAWAN_ADR_ON 1 /*! * LoRaWAN confirmed messages */ //#define LORAWAN_CONFIRMED_MSG_ON 1 #define LORAWAN_CONFIRMED_MSG_ON 1 /*! * LoRaWAN application port */ #define LORAWAN_APP_PORT 15 /*! * User application data buffer size */ #if ( LORAWAN_CONFIRMED_MSG_ON == 1 ) #define LORAWAN_APP_DATA_SIZE 6 #else #define LORAWAN_APP_DATA_SIZE 1 #endif ////////////////////////////////////////////////// // CONFIGURATION (FOR APPLICATION CALLBACKS BELOW) ////////////////////////////////////////////////// //fe dc ba 98 76 54 32 10 // application router ID (LSBF) static const uint8_t AppEui[8] = { 0xb8, 0x27, 0xeb, 0xff, 0xff, 0xef, 0x00, 0x62 }; // unique device ID (LSBF) static const u1_t DevEui[8] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; // device-specific AES key (derived from device EUI) static const uint8_t DevKey[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; #if( OVER_THE_AIR_ACTIVATION == 0 ) // network session key static uint8_t NwkSKey[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; // application session key static uint8_t ArtSKey[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; #endif // LEDs and Frame jobs osjob_t rxLedJob; osjob_t txLedJob; osjob_t sendFrameJob; DigitalOut myled(LED1); // LED state static bool AppLedStateOn = true; ////////////////////////////////////////////////// // Utility functions ////////////////////////////////////////////////// /*! * \brief Computes a random number between min and max * * \param [IN] min range minimum value * \param [IN] max range maximum value * \retval random random value in range min..max */ int32_t randr( int32_t min, int32_t max ) { return ( int32_t )rand( ) % ( max - min + 1 ) + min; } ////////////////////////////////////////////////// // APPLICATION CALLBACKS ////////////////////////////////////////////////// // provide application router ID (8 bytes, LSBF) void os_getArtEui( uint8_t *buf ) { memcpy( buf, AppEui, 8 ); } // provide device ID (8 bytes, LSBF) void os_getDevEui( uint8_t *buf ) { memcpy( buf, DevEui, 8 ); } // provide device key (16 bytes) void os_getDevKey( uint8_t *buf ) { memcpy( buf, DevKey, 16 ); } ////////////////////////////////////////////////// // MAIN - INITIALIZATION AND STARTUP ////////////////////////////////////////////////// static void onRxLed( osjob_t* j ) { debug_val("LED2 = ", 0 ); } static void onTxLed( osjob_t* j ) { debug_val("LED1 = ", 0 ); } static void prepareTxFrame( void ) { LMIC.frame[0] = AppLedStateOn; #if ( LORAWAN_CONFIRMED_MSG_ON == 1 ) LMIC.frame[1] = LMIC.seqnoDn >> 8; LMIC.frame[2] = LMIC.seqnoDn; LMIC.frame[3] = LMIC.rssi >> 8; LMIC.frame[4] = LMIC.rssi; LMIC.frame[5] = LMIC.snr; #endif } void processRxFrame( void ) { switch( LMIC.frame[LMIC.dataBeg - 1] ) // Check Rx port number { case 1: // The application LED can be controlled on port 1 or 2 case 2: if( LMIC.dataLen == 1 ) { AppLedStateOn = LMIC.frame[LMIC.dataBeg] & 0x01; debug_val( "LED3 = ", AppLedStateOn ); } break; default: break; } } static void onSendFrame( osjob_t* j ) { prepareTxFrame( ); LMIC_setTxData2( LORAWAN_APP_PORT, LMIC.frame, LORAWAN_APP_DATA_SIZE, LORAWAN_CONFIRMED_MSG_ON ); // Blink Tx LED debug_val( "LED1 = ", 1 ); os_setTimedCallback( &txLedJob, os_getTime( ) + ms2osticks( 25 ), onTxLed ); } // Initialization job static void onInit( osjob_t* j ) { // reset MAC state LMIC_reset( ); //LMIC_setAdrMode( LORAWAN_ADR_ON ); LMIC_setAdrMode(0); LMIC_setLinkCheckMode(0); LMIC_disableTracking (); LMIC_stopPingable(); // LMIC_setDrTxpow(DR_SF7,14); #if defined(CFG_eu868) //LMIC_setDrTxpow( DR_SF12, 14 ); LMIC_setDrTxpow(DR_SF12,14); #elif defined(CFG_us915) LMIC_setDrTxpow( DR_SF10, 14 ); #endif // start joining #if( OVER_THE_AIR_ACTIVATION != 0 ) LMIC_startJoining( ); #else LMIC_setSession( LORAWAN_NET_ID, LORAWAN_DEV_ADDR, NwkSKey, ArtSKey ); onSendFrame( NULL ); #endif // init done - onEvent( ) callback will be invoked... } int main( void ) { #ifdef SINGLE_CHANNEL_GATEWAY //MAX_CHANNELS = 1; //MAX_BANDS = 1; //LIMIT_CHANNELS = 1; for (int i=1; i<16; i++) LMIC_disableChannel(i); #endif //confSysClock(); //DigitalOut myled(LED1); myled = 0; // turn the LED on osjob_t initjob; // initialize runtime env os_init( ); // setup initial job os_setCallback( &initjob, onInit ); // execute scheduled jobs and events os_runloop( ); // (not reached) } ////////////////////////////////////////////////// // LMIC EVENT CALLBACK ////////////////////////////////////////////////// void onEvent( ev_t ev ) { bool txOn = false; debug_event( ev ); switch( ev ) { // network joined, session established case EV_JOINED: debug_val( "Net ID = ", LMIC.netid ); txOn = true; break; // scheduled data sent (optionally data received) case EV_TXCOMPLETE: debug_val( "Datarate = ", LMIC.datarate ); // Check if we have a downlink on either Rx1 or Rx2 windows if( ( LMIC.txrxFlags & ( TXRX_DNW1 | TXRX_DNW2 ) ) != 0 ) { debug_val( "LED2 = ", 1 ); os_setTimedCallback( &rxLedJob, os_getTime( ) + ms2osticks( 25 ), onRxLed ); if( LMIC.dataLen != 0 ) { // data received in rx slot after tx debug_buf( LMIC.frame + LMIC.dataBeg, LMIC.dataLen ); processRxFrame( ); } } txOn = true; break; default: break; } myled = 1; // turn the LED off if( txOn == true ) { //Sends frame every APP_TX_DUTYCYCLE +/- APP_TX_DUTYCYCLE_RND random time (if not duty cycle limited) os_setTimedCallback( &sendFrameJob, os_getTime( ) + ms2osticks( ((APP_TX_DUTYCYCLE) + randr( 10000, 60000 ))*2 ), onSendFrame ); myled = !myled; // turn the LED on ////Sends frame as soon as possible (duty cylce limitations) //onSendFrame( NULL ); } }