Example implementation of LoraWan specification based on IBM LoraWan in C (ver. 1.5) for Elmo board. Tested only with OTA activation (requires setting AppEui/ DevKey in main.cpp).
main.cpp@3:f6bb52cb8d60, 2015-10-07 (annotated)
- Committer:
- WGorniak
- Date:
- Wed Oct 07 12:52:36 2015 +0000
- Revision:
- 3:f6bb52cb8d60
- Parent:
- 2:7dc3d0e3de3a
switched from mbed-src to mbed
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
WGorniak | 0:bb3b0e756578 | 1 | /* |
WGorniak | 0:bb3b0e756578 | 2 | / _____) _ | | |
WGorniak | 0:bb3b0e756578 | 3 | ( (____ _____ ____ _| |_ _____ ____| |__ |
WGorniak | 0:bb3b0e756578 | 4 | \____ \| ___ | (_ _) ___ |/ ___) _ \ |
WGorniak | 0:bb3b0e756578 | 5 | _____) ) ____| | | || |_| ____( (___| | | | |
WGorniak | 0:bb3b0e756578 | 6 | (______/|_____)_|_|_| \__)_____)\____)_| |_| |
WGorniak | 0:bb3b0e756578 | 7 | (C)2015 Semtech |
WGorniak | 0:bb3b0e756578 | 8 | |
WGorniak | 0:bb3b0e756578 | 9 | Description: MBED LoRaWAN example application |
WGorniak | 0:bb3b0e756578 | 10 | |
WGorniak | 0:bb3b0e756578 | 11 | License: Revised BSD License, see LICENSE.TXT file include in the project |
WGorniak | 0:bb3b0e756578 | 12 | |
mleksio | 2:7dc3d0e3de3a | 13 | Maintainer: Espotel |
WGorniak | 0:bb3b0e756578 | 14 | */ |
WGorniak | 0:bb3b0e756578 | 15 | #include "mbed.h" |
WGorniak | 0:bb3b0e756578 | 16 | |
WGorniak | 0:bb3b0e756578 | 17 | #include "lmic.h" |
WGorniak | 0:bb3b0e756578 | 18 | #include "debug.h" |
WGorniak | 0:bb3b0e756578 | 19 | |
WGorniak | 0:bb3b0e756578 | 20 | /*! |
WGorniak | 0:bb3b0e756578 | 21 | * When set to 1 the application uses the Over-the-Air activation procedure |
WGorniak | 0:bb3b0e756578 | 22 | * When set to 0 the application uses the Personalization activation procedure |
WGorniak | 0:bb3b0e756578 | 23 | */ |
WGorniak | 0:bb3b0e756578 | 24 | #define OVER_THE_AIR_ACTIVATION 1 //default 0 |
WGorniak | 0:bb3b0e756578 | 25 | |
WGorniak | 0:bb3b0e756578 | 26 | #if( OVER_THE_AIR_ACTIVATION == 0 ) |
WGorniak | 0:bb3b0e756578 | 27 | |
WGorniak | 0:bb3b0e756578 | 28 | /*! |
WGorniak | 0:bb3b0e756578 | 29 | * Defines the network ID when using personalization activation procedure |
WGorniak | 0:bb3b0e756578 | 30 | */ |
WGorniak | 0:bb3b0e756578 | 31 | #define LORAWAN_NET_ID ( uint32_t )0x00000000 |
WGorniak | 0:bb3b0e756578 | 32 | |
WGorniak | 0:bb3b0e756578 | 33 | /*! |
WGorniak | 0:bb3b0e756578 | 34 | * Defines the device address when using personalization activation procedure |
WGorniak | 0:bb3b0e756578 | 35 | */ |
WGorniak | 0:bb3b0e756578 | 36 | #define LORAWAN_DEV_ADDR ( uint32_t )0x12341111 |
WGorniak | 0:bb3b0e756578 | 37 | #endif |
WGorniak | 0:bb3b0e756578 | 38 | |
WGorniak | 0:bb3b0e756578 | 39 | /*! |
WGorniak | 0:bb3b0e756578 | 40 | * Defines the application data transmission duty cycle |
WGorniak | 0:bb3b0e756578 | 41 | */ |
WGorniak | 0:bb3b0e756578 | 42 | #define APP_TX_DUTYCYCLE 5000 // 5 [s] value in ms |
WGorniak | 0:bb3b0e756578 | 43 | #define APP_TX_DUTYCYCLE_RND 1000 // 1 [s] value in ms |
WGorniak | 0:bb3b0e756578 | 44 | |
WGorniak | 0:bb3b0e756578 | 45 | /*! |
WGorniak | 0:bb3b0e756578 | 46 | * LoRaWAN Adaptative Data Rate |
WGorniak | 0:bb3b0e756578 | 47 | */ |
WGorniak | 0:bb3b0e756578 | 48 | #define LORAWAN_ADR_ON 1 |
WGorniak | 0:bb3b0e756578 | 49 | |
WGorniak | 0:bb3b0e756578 | 50 | /*! |
WGorniak | 0:bb3b0e756578 | 51 | * LoRaWAN confirmed messages |
WGorniak | 0:bb3b0e756578 | 52 | */ |
WGorniak | 0:bb3b0e756578 | 53 | #define LORAWAN_CONFIRMED_MSG_ON 0 |
WGorniak | 0:bb3b0e756578 | 54 | |
WGorniak | 0:bb3b0e756578 | 55 | /*! |
WGorniak | 0:bb3b0e756578 | 56 | * LoRaWAN application port |
WGorniak | 0:bb3b0e756578 | 57 | */ |
WGorniak | 0:bb3b0e756578 | 58 | #define LORAWAN_APP_PORT 1784 |
WGorniak | 0:bb3b0e756578 | 59 | |
WGorniak | 0:bb3b0e756578 | 60 | /*! |
WGorniak | 0:bb3b0e756578 | 61 | * User application data buffer size |
WGorniak | 0:bb3b0e756578 | 62 | */ |
WGorniak | 0:bb3b0e756578 | 63 | #if ( LORAWAN_CONFIRMED_MSG_ON == 1 ) |
WGorniak | 0:bb3b0e756578 | 64 | #define LORAWAN_APP_DATA_SIZE 6 |
WGorniak | 0:bb3b0e756578 | 65 | |
WGorniak | 0:bb3b0e756578 | 66 | #else |
WGorniak | 0:bb3b0e756578 | 67 | #define LORAWAN_APP_DATA_SIZE 1 |
WGorniak | 0:bb3b0e756578 | 68 | |
WGorniak | 0:bb3b0e756578 | 69 | #endif |
WGorniak | 0:bb3b0e756578 | 70 | |
WGorniak | 0:bb3b0e756578 | 71 | |
WGorniak | 0:bb3b0e756578 | 72 | // |
WGorniak | 0:bb3b0e756578 | 73 | // For sending data via button |
WGorniak | 0:bb3b0e756578 | 74 | // |
WGorniak | 0:bb3b0e756578 | 75 | |
WGorniak | 0:bb3b0e756578 | 76 | InterruptIn button(USER_BUTTON); |
WGorniak | 0:bb3b0e756578 | 77 | DigitalOut led(LED1); |
WGorniak | 0:bb3b0e756578 | 78 | |
WGorniak | 0:bb3b0e756578 | 79 | ////////////////////////////////////////////////// |
WGorniak | 0:bb3b0e756578 | 80 | // CONFIGURATION (FOR APPLICATION CALLBACKS BELOW) |
WGorniak | 0:bb3b0e756578 | 81 | ////////////////////////////////////////////////// |
WGorniak | 0:bb3b0e756578 | 82 | |
WGorniak | 0:bb3b0e756578 | 83 | // application router ID (LSBF) |
WGorniak | 0:bb3b0e756578 | 84 | static const uint8_t AppEui[8] = |
WGorniak | 0:bb3b0e756578 | 85 | { |
WGorniak | 0:bb3b0e756578 | 86 | 0x01, 0x02, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00 |
WGorniak | 0:bb3b0e756578 | 87 | }; |
WGorniak | 0:bb3b0e756578 | 88 | |
WGorniak | 0:bb3b0e756578 | 89 | // unique device ID (LSBF) |
WGorniak | 0:bb3b0e756578 | 90 | static const u1_t DevEui[8] = |
WGorniak | 0:bb3b0e756578 | 91 | { |
WGorniak | 0:bb3b0e756578 | 92 | 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x099, 0xF7 |
WGorniak | 0:bb3b0e756578 | 93 | }; |
WGorniak | 0:bb3b0e756578 | 94 | |
WGorniak | 0:bb3b0e756578 | 95 | // device-specific AES key (derived from device EUI) |
WGorniak | 0:bb3b0e756578 | 96 | static const uint8_t DevKey[16] = |
WGorniak | 0:bb3b0e756578 | 97 | { |
WGorniak | 0:bb3b0e756578 | 98 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
WGorniak | 0:bb3b0e756578 | 99 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 |
WGorniak | 0:bb3b0e756578 | 100 | }; |
WGorniak | 0:bb3b0e756578 | 101 | |
WGorniak | 0:bb3b0e756578 | 102 | |
WGorniak | 0:bb3b0e756578 | 103 | |
WGorniak | 0:bb3b0e756578 | 104 | #if( OVER_THE_AIR_ACTIVATION == 0 ) |
WGorniak | 0:bb3b0e756578 | 105 | // network session key |
WGorniak | 0:bb3b0e756578 | 106 | static uint8_t NwkSKey[] = |
WGorniak | 0:bb3b0e756578 | 107 | { |
WGorniak | 0:bb3b0e756578 | 108 | 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, |
WGorniak | 0:bb3b0e756578 | 109 | 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C |
WGorniak | 0:bb3b0e756578 | 110 | }; |
WGorniak | 0:bb3b0e756578 | 111 | |
WGorniak | 0:bb3b0e756578 | 112 | // application session key |
WGorniak | 0:bb3b0e756578 | 113 | static uint8_t ArtSKey[] = |
WGorniak | 0:bb3b0e756578 | 114 | { |
WGorniak | 0:bb3b0e756578 | 115 | 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, |
WGorniak | 0:bb3b0e756578 | 116 | 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C |
WGorniak | 0:bb3b0e756578 | 117 | }; |
WGorniak | 0:bb3b0e756578 | 118 | |
WGorniak | 0:bb3b0e756578 | 119 | #endif |
WGorniak | 0:bb3b0e756578 | 120 | |
WGorniak | 0:bb3b0e756578 | 121 | // LEDs and Frame jobs |
WGorniak | 0:bb3b0e756578 | 122 | osjob_t rxLedJob; |
WGorniak | 0:bb3b0e756578 | 123 | osjob_t txLedJob; |
WGorniak | 0:bb3b0e756578 | 124 | osjob_t sendFrameJob; |
WGorniak | 0:bb3b0e756578 | 125 | |
WGorniak | 0:bb3b0e756578 | 126 | // LED state |
WGorniak | 0:bb3b0e756578 | 127 | static bool AppLedStateOn = false; |
WGorniak | 0:bb3b0e756578 | 128 | |
WGorniak | 0:bb3b0e756578 | 129 | ////////////////////////////////////////////////// |
WGorniak | 0:bb3b0e756578 | 130 | // Utility functions |
WGorniak | 0:bb3b0e756578 | 131 | ////////////////////////////////////////////////// |
WGorniak | 0:bb3b0e756578 | 132 | /*! |
WGorniak | 0:bb3b0e756578 | 133 | * \brief Computes a random number between min and max |
WGorniak | 0:bb3b0e756578 | 134 | * |
WGorniak | 0:bb3b0e756578 | 135 | * \param [IN] min range minimum value |
WGorniak | 0:bb3b0e756578 | 136 | * \param [IN] max range maximum value |
WGorniak | 0:bb3b0e756578 | 137 | * \retval random random value in range min..max |
WGorniak | 0:bb3b0e756578 | 138 | */ |
WGorniak | 0:bb3b0e756578 | 139 | int32_t randr( int32_t min, int32_t max ) |
WGorniak | 0:bb3b0e756578 | 140 | { |
WGorniak | 0:bb3b0e756578 | 141 | return ( int32_t )rand( ) % ( max - min + 1 ) + min; |
WGorniak | 0:bb3b0e756578 | 142 | } |
WGorniak | 0:bb3b0e756578 | 143 | |
WGorniak | 0:bb3b0e756578 | 144 | ////////////////////////////////////////////////// |
WGorniak | 0:bb3b0e756578 | 145 | // APPLICATION CALLBACKS |
WGorniak | 0:bb3b0e756578 | 146 | ////////////////////////////////////////////////// |
WGorniak | 0:bb3b0e756578 | 147 | |
WGorniak | 0:bb3b0e756578 | 148 | // provide application router ID (8 bytes, LSBF) |
WGorniak | 0:bb3b0e756578 | 149 | void os_getArtEui( uint8_t *buf ) |
WGorniak | 0:bb3b0e756578 | 150 | { |
WGorniak | 0:bb3b0e756578 | 151 | memcpy( buf, AppEui, 8 ); |
WGorniak | 0:bb3b0e756578 | 152 | } |
WGorniak | 0:bb3b0e756578 | 153 | |
WGorniak | 0:bb3b0e756578 | 154 | // provide device ID (8 bytes, LSBF) |
WGorniak | 0:bb3b0e756578 | 155 | void os_getDevEui( uint8_t *buf ) |
WGorniak | 0:bb3b0e756578 | 156 | { |
WGorniak | 0:bb3b0e756578 | 157 | memcpy( buf, DevEui, 8 ); |
WGorniak | 0:bb3b0e756578 | 158 | } |
WGorniak | 0:bb3b0e756578 | 159 | |
WGorniak | 0:bb3b0e756578 | 160 | // provide device key (16 bytes) |
WGorniak | 0:bb3b0e756578 | 161 | void os_getDevKey( uint8_t *buf ) |
WGorniak | 0:bb3b0e756578 | 162 | { |
WGorniak | 0:bb3b0e756578 | 163 | memcpy( buf, DevKey, 16 ); |
WGorniak | 0:bb3b0e756578 | 164 | } |
WGorniak | 0:bb3b0e756578 | 165 | |
WGorniak | 0:bb3b0e756578 | 166 | ////////////////////////////////////////////////// |
WGorniak | 0:bb3b0e756578 | 167 | // MAIN - INITIALIZATION AND STARTUP |
WGorniak | 0:bb3b0e756578 | 168 | ////////////////////////////////////////////////// |
WGorniak | 0:bb3b0e756578 | 169 | |
WGorniak | 0:bb3b0e756578 | 170 | static void onRxLed( osjob_t* j ) |
WGorniak | 0:bb3b0e756578 | 171 | { |
WGorniak | 0:bb3b0e756578 | 172 | debug_val((const unsigned char*)"LED2 = ", 0 ); |
WGorniak | 0:bb3b0e756578 | 173 | } |
WGorniak | 0:bb3b0e756578 | 174 | |
WGorniak | 0:bb3b0e756578 | 175 | static void onTxLed( osjob_t* j ) |
WGorniak | 0:bb3b0e756578 | 176 | { |
WGorniak | 0:bb3b0e756578 | 177 | debug_val((const unsigned char*)"LED1 = ", 0 ); |
WGorniak | 0:bb3b0e756578 | 178 | } |
WGorniak | 0:bb3b0e756578 | 179 | |
WGorniak | 0:bb3b0e756578 | 180 | static void prepareTxFrame( void ) |
WGorniak | 0:bb3b0e756578 | 181 | { |
WGorniak | 0:bb3b0e756578 | 182 | LMIC.frame[0] = AppLedStateOn; |
WGorniak | 0:bb3b0e756578 | 183 | #if ( LORAWAN_CONFIRMED_MSG_ON == 1 ) |
WGorniak | 0:bb3b0e756578 | 184 | LMIC.frame[1] = LMIC.seqnoDn >> 8; |
WGorniak | 0:bb3b0e756578 | 185 | LMIC.frame[2] = LMIC.seqnoDn; |
WGorniak | 0:bb3b0e756578 | 186 | LMIC.frame[3] = LMIC.rssi >> 8; |
WGorniak | 0:bb3b0e756578 | 187 | LMIC.frame[4] = LMIC.rssi; |
WGorniak | 0:bb3b0e756578 | 188 | LMIC.frame[5] = LMIC.snr; |
WGorniak | 0:bb3b0e756578 | 189 | #endif |
WGorniak | 0:bb3b0e756578 | 190 | } |
WGorniak | 0:bb3b0e756578 | 191 | |
WGorniak | 0:bb3b0e756578 | 192 | void processRxFrame( void ) |
WGorniak | 0:bb3b0e756578 | 193 | { |
WGorniak | 0:bb3b0e756578 | 194 | printf("processRxFrame\r\n"); |
WGorniak | 0:bb3b0e756578 | 195 | switch( LMIC.frame[LMIC.dataBeg - 1] ) // Check Rx port number |
WGorniak | 0:bb3b0e756578 | 196 | { |
WGorniak | 0:bb3b0e756578 | 197 | case 1: // The application LED can be controlled on port 1 or 2 |
WGorniak | 0:bb3b0e756578 | 198 | case 2: |
WGorniak | 0:bb3b0e756578 | 199 | if( LMIC.dataLen == 1 ) |
WGorniak | 0:bb3b0e756578 | 200 | { |
WGorniak | 0:bb3b0e756578 | 201 | AppLedStateOn = LMIC.frame[LMIC.dataBeg] & 0x01; |
WGorniak | 0:bb3b0e756578 | 202 | debug_val( (const unsigned char*)"LED3 = ", AppLedStateOn ); |
WGorniak | 0:bb3b0e756578 | 203 | } |
WGorniak | 0:bb3b0e756578 | 204 | break; |
WGorniak | 0:bb3b0e756578 | 205 | default: |
WGorniak | 0:bb3b0e756578 | 206 | break; |
WGorniak | 0:bb3b0e756578 | 207 | } |
WGorniak | 0:bb3b0e756578 | 208 | } |
WGorniak | 0:bb3b0e756578 | 209 | |
WGorniak | 0:bb3b0e756578 | 210 | void onSendFrame( osjob_t* j ) |
WGorniak | 0:bb3b0e756578 | 211 | { |
WGorniak | 0:bb3b0e756578 | 212 | prepareTxFrame( ); |
WGorniak | 0:bb3b0e756578 | 213 | LMIC_setTxData2( LORAWAN_APP_PORT, LMIC.frame, LORAWAN_APP_DATA_SIZE, LORAWAN_CONFIRMED_MSG_ON ); |
WGorniak | 0:bb3b0e756578 | 214 | } |
WGorniak | 0:bb3b0e756578 | 215 | |
WGorniak | 0:bb3b0e756578 | 216 | // Initialization job |
WGorniak | 0:bb3b0e756578 | 217 | static void onInit( osjob_t* j ) |
WGorniak | 0:bb3b0e756578 | 218 | { |
WGorniak | 0:bb3b0e756578 | 219 | // reset MAC state |
WGorniak | 0:bb3b0e756578 | 220 | LMIC_reset( ); |
WGorniak | 0:bb3b0e756578 | 221 | LMIC_setAdrMode( LORAWAN_ADR_ON ); |
WGorniak | 0:bb3b0e756578 | 222 | LMIC_setDrTxpow( DR_SF12, 14 ); |
WGorniak | 0:bb3b0e756578 | 223 | |
WGorniak | 0:bb3b0e756578 | 224 | // start joining |
WGorniak | 0:bb3b0e756578 | 225 | #if( OVER_THE_AIR_ACTIVATION != 0 ) |
WGorniak | 0:bb3b0e756578 | 226 | LMIC_startJoining( ); |
WGorniak | 0:bb3b0e756578 | 227 | #else |
WGorniak | 0:bb3b0e756578 | 228 | LMIC_setSession( LORAWAN_NET_ID, LORAWAN_DEV_ADDR, NwkSKey, ArtSKey ); |
WGorniak | 0:bb3b0e756578 | 229 | onSendFrame( NULL ); |
WGorniak | 0:bb3b0e756578 | 230 | #endif |
WGorniak | 0:bb3b0e756578 | 231 | // init done - onEvent( ) callback will be invoked... |
WGorniak | 0:bb3b0e756578 | 232 | } |
WGorniak | 0:bb3b0e756578 | 233 | |
WGorniak | 0:bb3b0e756578 | 234 | |
WGorniak | 0:bb3b0e756578 | 235 | int main( void ) |
WGorniak | 0:bb3b0e756578 | 236 | { |
WGorniak | 0:bb3b0e756578 | 237 | osjob_t initjob; |
WGorniak | 0:bb3b0e756578 | 238 | // initialize runtime env |
WGorniak | 0:bb3b0e756578 | 239 | os_init( ); |
WGorniak | 0:bb3b0e756578 | 240 | // setup initial job |
WGorniak | 0:bb3b0e756578 | 241 | os_setCallback( &initjob, onInit ); |
WGorniak | 0:bb3b0e756578 | 242 | |
WGorniak | 0:bb3b0e756578 | 243 | // execute scheduled jobs and events |
WGorniak | 0:bb3b0e756578 | 244 | os_runloop( ); |
WGorniak | 0:bb3b0e756578 | 245 | // (not reached) |
WGorniak | 0:bb3b0e756578 | 246 | } |
WGorniak | 0:bb3b0e756578 | 247 | |
WGorniak | 0:bb3b0e756578 | 248 | ////////////////////////////////////////////////// |
WGorniak | 0:bb3b0e756578 | 249 | // LMIC EVENT CALLBACK |
WGorniak | 0:bb3b0e756578 | 250 | ////////////////////////////////////////////////// |
WGorniak | 0:bb3b0e756578 | 251 | void onEvent( ev_t ev ) |
WGorniak | 0:bb3b0e756578 | 252 | { |
WGorniak | 0:bb3b0e756578 | 253 | bool txOn = false; |
WGorniak | 0:bb3b0e756578 | 254 | debug_event( ev ); |
WGorniak | 0:bb3b0e756578 | 255 | |
WGorniak | 0:bb3b0e756578 | 256 | switch( ev ) |
WGorniak | 0:bb3b0e756578 | 257 | { |
WGorniak | 0:bb3b0e756578 | 258 | // network joined, session established |
WGorniak | 0:bb3b0e756578 | 259 | case EV_JOINED: |
WGorniak | 0:bb3b0e756578 | 260 | debug_val( (const unsigned char*)"Net ID = ", LMIC.netid ); |
WGorniak | 0:bb3b0e756578 | 261 | txOn = true; |
WGorniak | 0:bb3b0e756578 | 262 | break; |
WGorniak | 0:bb3b0e756578 | 263 | // scheduled data sent (optionally data received) |
WGorniak | 0:bb3b0e756578 | 264 | case EV_TXCOMPLETE: |
WGorniak | 0:bb3b0e756578 | 265 | debug_val( (const unsigned char*)"Datarate = ", LMIC.datarate ); |
WGorniak | 0:bb3b0e756578 | 266 | // Check if we have a downlink on either Rx1 or Rx2 windows |
WGorniak | 0:bb3b0e756578 | 267 | if( ( LMIC.txrxFlags & ( TXRX_DNW1 | TXRX_DNW2 ) ) != 0 ) |
WGorniak | 0:bb3b0e756578 | 268 | { |
WGorniak | 0:bb3b0e756578 | 269 | debug_val( (const unsigned char*)"LED2 = ", 1 ); |
WGorniak | 0:bb3b0e756578 | 270 | os_setTimedCallback( &rxLedJob, os_getTime( ) + ms2osticks( 25 ), onRxLed ); |
WGorniak | 0:bb3b0e756578 | 271 | |
WGorniak | 0:bb3b0e756578 | 272 | if( LMIC.dataLen != 0 ) |
WGorniak | 0:bb3b0e756578 | 273 | { // data received in rx slot after tx |
WGorniak | 0:bb3b0e756578 | 274 | printf("data received in rx slot after tx: \r\n"); |
WGorniak | 0:bb3b0e756578 | 275 | debug_buf( LMIC.frame + LMIC.dataBeg, LMIC.dataLen ); |
WGorniak | 0:bb3b0e756578 | 276 | processRxFrame( ); |
WGorniak | 0:bb3b0e756578 | 277 | } |
WGorniak | 0:bb3b0e756578 | 278 | } |
WGorniak | 0:bb3b0e756578 | 279 | txOn = true; |
WGorniak | 0:bb3b0e756578 | 280 | break; |
WGorniak | 0:bb3b0e756578 | 281 | default: |
WGorniak | 0:bb3b0e756578 | 282 | break; |
WGorniak | 0:bb3b0e756578 | 283 | } |
WGorniak | 0:bb3b0e756578 | 284 | if( txOn == true ) |
WGorniak | 0:bb3b0e756578 | 285 | { |
WGorniak | 0:bb3b0e756578 | 286 | //Sends frame every APP_TX_DUTYCYCLE +/- APP_TX_DUTYCYCLE_RND random time (if not duty cycle limited) |
WGorniak | 0:bb3b0e756578 | 287 | os_setTimedCallback( &sendFrameJob, |
WGorniak | 0:bb3b0e756578 | 288 | os_getTime( ) + ms2osticks( APP_TX_DUTYCYCLE + randr( -APP_TX_DUTYCYCLE_RND, APP_TX_DUTYCYCLE_RND ) ), |
WGorniak | 0:bb3b0e756578 | 289 | onSendFrame ); |
WGorniak | 0:bb3b0e756578 | 290 | // //Sends frame as soon as possible (duty cylce limitations) |
WGorniak | 0:bb3b0e756578 | 291 | // onSendFrame( NULL ); |
WGorniak | 0:bb3b0e756578 | 292 | } |
WGorniak | 0:bb3b0e756578 | 293 | } |