Adapted to LoRa Semtech + Nucleo
Dependencies: LMiC SX1276Lib cantcoap lwip mbed-rtos mbed
Fork of LoRaWAN-lmic-app by
Diff: main.cpp
- Revision:
- 1:60184eda0066
- Parent:
- 0:a2929fa6e4f0
- Child:
- 3:ce28e3313a88
--- a/main.cpp Thu Jan 22 13:02:55 2015 +0000 +++ b/main.cpp Tue Mar 31 13:38:08 2015 +0000 @@ -4,15 +4,18 @@ \____ \| ___ | (_ _) ___ |/ ___) _ \ _____) ) ____| | | || |_| ____( (___| | | | (______/|_____)_|_|_| \__)_____)\____)_| |_| - (C)2013 Semtech + (C)2015 Semtech -Description: MBED example application +Description: MBED LoRaWAN example application License: Revised BSD License, see LICENSE.TXT file include in the project Maintainer: Miguel Luis and Gregory Cristian */ +#include "mbed.h" + #include "lmic.h" +#include "debug.h" /*! * When set to 1 the application uses the Over-the-Air activation procedure @@ -20,16 +23,60 @@ */ #define OVER_THE_AIR_ACTIVATION 0 -#define APP_DATA_SIZE 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 )0x12345678 + +#endif + +/*! + * Defines the application data transmission duty cycle + */ +#define APP_TX_DUTYCYCLE 5000 // 5 [s] value in ms +#define APP_TX_DUTYCYCLE_RND 1000 // 1 [s] value in ms + +/*! + * LoRaWAN Adaptative Data Rate + */ +#define LORAWAN_ADR_ON 1 + +/*! + * LoRaWAN confirmed messages + */ +#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) ////////////////////////////////////////////////// // application router ID (LSBF) -static const u1_t AppEui[8] = +static const uint8_t AppEui[8] = { - 0xAA, 0xCC, 0x11, 0x00, 0xCC, 0xEE, 0x77, 0xEE + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; // unique device ID (LSBF) @@ -39,49 +86,70 @@ }; // device-specific AES key (derived from device EUI) -static const u1_t DevKey[16] = +static const uint8_t DevKey[16] = { - 0xAB, 0x89, 0xEF, 0xCD, 0x23, 0x01, 0x67, 0x45, - 0x54, 0x76, 0x10, 0x32, 0xDC, 0xFE, 0x98, 0xBA + 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, + 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C }; +#if( OVER_THE_AIR_ACTIVATION == 0 ) +// network session key static uint8_t NwkSKey[] = { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C }; +// application session key static uint8_t ArtSKey[] = { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C }; +#endif + // LEDs and Frame jobs osjob_t rxLedJob; osjob_t txLedJob; osjob_t sendFrameJob; +// LED state static bool AppLedStateOn = false; ////////////////////////////////////////////////// +// 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( u1_t* buf ) +void os_getArtEui( uint8_t *buf ) { memcpy( buf, AppEui, 8 ); } // provide device ID (8 bytes, LSBF) -void os_getDevEui( u1_t* buf ) +void os_getDevEui( uint8_t *buf ) { memcpy( buf, DevEui, 8 ); } // provide device key (16 bytes) -void os_getDevKey( u1_t* buf ) +void os_getDevKey( uint8_t *buf ) { memcpy( buf, DevKey, 16 ); } @@ -90,35 +158,26 @@ // MAIN - INITIALIZATION AND STARTUP ////////////////////////////////////////////////// -// Initialization job -static void onInit( osjob_t* j ) -{ - // reset MAC state - LMIC_reset( ); - LMIC_setAdrMode( 1 ); - LMIC_setDrTxpow( DR_FSK, 14 ); - // start joining -#if( OVER_THE_AIR_ACTIVATION != 0 ) - LMIC_startJoining( ); -#else - LMIC_startABP( 0, 0x44332211, NwkSKey, ArtSKey ); -#endif - // init done - onEvent() callback will be invoked... -} - static void onRxLed( osjob_t* j ) { - DEBUG_VAL("LED2 = ", 1 ); + debug_val("LED2 = ", 0 ); } static void onTxLed( osjob_t* j ) { - DEBUG_VAL("LED1 = ", 1 ); + 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 ) @@ -130,7 +189,7 @@ if( LMIC.dataLen == 1 ) { AppLedStateOn = LMIC.frame[LMIC.dataBeg] & 0x01; - DEBUG_VAL( "LED3 = ", AppLedStateOn ? 0 : 1 ); + debug_val( "LED3 = ", AppLedStateOn ); } break; default: @@ -141,10 +200,32 @@ static void onSendFrame( osjob_t* j ) { prepareTxFrame( ); - LMIC_setTxData2( 1, LMIC.frame, APP_DATA_SIZE, 1 ); + 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 ); } -int main(void) +// Initialization job +static void onInit( osjob_t* j ) +{ + // reset MAC state + LMIC_reset( ); + LMIC_setAdrMode( LORAWAN_ADR_ON ); + LMIC_setDrTxpow( DR_SF12, 14 ); + + // 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 ) { osjob_t initjob; @@ -163,27 +244,27 @@ void onEvent( ev_t ev ) { bool txOn = false; - - DEBUG_EVENT( ev ); + debug_event( ev ); switch( ev ) { // network joined, session established case EV_JOINED: - DEBUG_VAL( "Net ID = ", LMIC.netid ); + 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 ) + if( ( LMIC.txrxFlags & ( TXRX_DNW1 | TXRX_DNW2 ) ) != 0 ) { - DEBUG_VAL( "LED2 = ", 0 ); - os_setTimedCallback( &rxLedJob, os_getTime( ) + ms2osticks( 15 ), onRxLed ); + debug_val( "LED2 = ", 1 ); + os_setTimedCallback( &rxLedJob, os_getTime( ) + ms2osticks( 25 ), onRxLed ); - if( LMIC.dataLen != 0 ) + if( LMIC.dataLen != 0 ) { // data received in rx slot after tx - DEBUG_BUF( LMIC.frame + LMIC.dataBeg, LMIC.dataLen ); + debug_buf( LMIC.frame + LMIC.dataBeg, LMIC.dataLen ); processRxFrame( ); } } @@ -194,11 +275,12 @@ } if( txOn == true ) { - //os_setTimedCallback( &sendFrameJob, os_getTime( ) + sec2osticks( 5 ), onSendFrame ); - onSendFrame( NULL ); + //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( -APP_TX_DUTYCYCLE_RND, APP_TX_DUTYCYCLE_RND ) ), + onSendFrame ); - // Blink Tx LED - DEBUG_VAL( "LED1 = ", 0 ); - os_setTimedCallback( &txLedJob, os_getTime( ) + ms2osticks( 25 ), onTxLed ); + ////Sends frame as soon as possible (duty cylce limitations) + //onSendFrame( NULL ); } }