/** \brief The program starts executing here. */ int mote_main(void) { uint8_t i; // clear local variables memset(&app_vars,0,sizeof(app_vars_t)); // initialize board board_init(); GPIO_Configuration(); EXTI_Configuration(); GPIOD->BRR = (uint32_t)GPIO_Pin_2; #ifdef RADIO_SLEEP PORT_PIN_RADIO_SLP_TR_CNTL_HIGH(); #ifdef RADIO_SLEEP_IN_RUN_MOdE while(1); #endif board_sleep(); #endif #ifdef RADIO_TRXOFF board_sleep(); #endif // add callback functions radio radio_setOverflowCb(cb_radioTimerOverflows); radio_setCompareCb(cb_radioTimerCompare); radio_setStartFrameCb(cb_startFrame); radio_setEndFrameCb(cb_endFrame); // prepare packet app_vars.packet_len = sizeof(app_vars.packet); for (i=0;i<app_vars.packet_len;i++) { app_vars.packet[i] = ID; } // start bsp timer bsp_timer_set_callback(cb_timer); bsp_timer_scheduleIn(TIMER_PERIOD); // prepare radio radio_rfOn(); radio_setFrequency(CHANNEL); // switch in RX by default radio_rxEnable(); app_vars.state = APP_STATE_RX; #ifdef RADIO_RX_ON leds_all_off(); board_sleep(); #endif // start by a transmit app_vars.flags |= APP_FLAG_TIMER; while (1) { // sleep while waiting for at least one of the flags to be set while (app_vars.flags==0x00) { board_sleep(); } // handle and clear every flag while (app_vars.flags) { if (app_vars.flags & APP_FLAG_START_FRAME) { // start of frame switch (app_vars.state) { case APP_STATE_RX: // started receiving a packet leds_error_on(); break; case APP_STATE_TX: // started sending a packet leds_sync_on(); break; } // clear flag app_vars.flags &= ~APP_FLAG_START_FRAME; } if (app_vars.flags & APP_FLAG_END_FRAME) { // end of frame switch (app_vars.state) { case APP_STATE_RX: // done receiving a packet app_vars.packet_len = sizeof(app_vars.packet); for (i=0;i<app_vars.packet_len;i++) { app_vars.packet[i] = 0; } // get packet from radio radio_getReceivedFrame(app_vars.packet, &app_vars.packet_len, sizeof(app_vars.packet), &app_vars.rxpk_rssi, &app_vars.rxpk_lqi, &app_vars.rxpk_crc); leds_error_off(); break; case APP_STATE_TX: // done sending a packet // switch to RX mode radio_rxEnable(); app_vars.state = APP_STATE_RX; leds_sync_off(); break; } // clear flag app_vars.flags &= ~APP_FLAG_END_FRAME; } if (app_vars.flags & APP_FLAG_TIMER) { // timer fired if (app_vars.state==APP_STATE_RX) { // stop listening radio_rfOff(); // prepare packet app_vars.packet_len = sizeof(app_vars.packet); for (i=0;i<app_vars.packet_len;i++) { app_vars.packet[i] = ID; } // start transmitting packet radio_loadPacket(app_vars.packet,app_vars.packet_len); radio_txEnable(); #ifdef RADIO_PLL_ON leds_all_off(); board_sleep(); #endif radio_txNow(); #ifdef RADIO_BUSY_TX leds_all_off(); while(1) { //keep sending PORT_PIN_RADIO_SLP_TR_CNTL_HIGH(); PORT_PIN_RADIO_SLP_TR_CNTL_LOW(); } board_sleep(); #endif app_vars.state = APP_STATE_TX; } // clear flag app_vars.flags &= ~APP_FLAG_TIMER; } } } }
/** \brief The program starts executing here. */ int mote_main(void) { uint8_t i; // clear local variables memset(&app_vars,0,sizeof(app_vars_t)); // initialize board board_init(); // add callback functions radio radio_setOverflowCb(cb_radioTimerOverflows); radio_setCompareCb(cb_radioTimerCompare); radio_setStartFrameCb(cb_startFrame); radio_setEndFrameCb(cb_endFrame); // prepare packet app_vars.packet_len = sizeof(app_vars.packet); for (i=0;i<app_vars.packet_len;i++) { app_vars.packet[i] = ID; } // start bsp timer bsp_timer_set_callback(cb_timer); bsp_timer_scheduleIn(TIMER_PERIOD); // prepare radio radio_rfOn(); radio_setFrequency(CHANNEL); // switch in RX by default radio_rxEnable(); app_vars.state = APP_STATE_RX; // start by a transmit app_vars.flags |= APP_FLAG_TIMER; while (1) { // sleep while waiting for at least one of the flags to be set while (app_vars.flags==0x00) { board_sleep(); } // handle and clear every flag while (app_vars.flags) { //==== APP_FLAG_START_FRAME (TX or RX) if (app_vars.flags & APP_FLAG_START_FRAME) { // start of frame switch (app_vars.state) { case APP_STATE_RX: // started receiving a packet // led leds_error_on(); break; case APP_STATE_TX: // started sending a packet // led leds_sync_on(); break; } // clear flag app_vars.flags &= ~APP_FLAG_START_FRAME; } //==== APP_FLAG_END_FRAME (TX or RX) if (app_vars.flags & APP_FLAG_END_FRAME) { // end of frame switch (app_vars.state) { case APP_STATE_RX: // done receiving a packet app_vars.packet_len = sizeof(app_vars.packet); // get packet from radio radio_getReceivedFrame( app_vars.packet, &app_vars.packet_len, sizeof(app_vars.packet), &app_vars.rxpk_rssi, &app_vars.rxpk_lqi, &app_vars.rxpk_crc ); // led leds_error_off(); break; case APP_STATE_TX: // done sending a packet // switch to RX mode radio_rxEnable(); app_vars.state = APP_STATE_RX; // led leds_sync_off(); break; } // clear flag app_vars.flags &= ~APP_FLAG_END_FRAME; } //==== APP_FLAG_TIMER if (app_vars.flags & APP_FLAG_TIMER) { // timer fired if (app_vars.state==APP_STATE_RX) { // stop listening radio_rfOff(); // prepare packet app_vars.packet_len = sizeof(app_vars.packet); for (i=0;i<app_vars.packet_len;i++) { app_vars.packet[i] = ID; } // start transmitting packet radio_loadPacket(app_vars.packet,app_vars.packet_len); radio_txEnable(); radio_txNow(); app_vars.state = APP_STATE_TX; } // clear flag app_vars.flags &= ~APP_FLAG_TIMER; } } } }
/** \brief The program starts executing here. */ int mote_main(void) { // clear local variables memset(&app_vars,0,sizeof(app_vars_t)); // initialize board board_init(); // add callback functions radio radio_setOverflowCb(cb_radioTimerOverflows); radio_setCompareCb(cb_radioTimerCompare); radio_setStartFrameCb(cb_startFrame); radio_setEndFrameCb(cb_endFrame); // setup UART uart_setCallbacks(cb_uartTxDone,cb_uartRxCb); // prepare radio radio_rfOn(); radio_setFrequency(CHANNEL); // switch in RX radio_rxEnable(); while (1) { // sleep while waiting for at least one of the rxpk_done to be set app_vars.rxpk_done = 0; while (app_vars.rxpk_done==0) { board_sleep(); } // if I get here, I just received a packet //===== get packet from radio // led leds_sync_on(); // get packet from radio radio_getReceivedFrame( app_vars.rxpk_buf, &app_vars.rxpk_len, sizeof(app_vars.rxpk_buf), &app_vars.rxpk_rssi, &app_vars.rxpk_lqi, &app_vars.rxpk_crc ); // read the packet number app_vars.rxpk_num = app_vars.rxpk_buf[0]; // led leds_sync_off(); //===== send notification over serial port // led leds_error_on(); // format frame to send over serial port app_vars.uart_txFrame[0] = app_vars.rxpk_len; // packet length app_vars.uart_txFrame[1] = app_vars.rxpk_num; // packet number app_vars.uart_txFrame[2] = app_vars.rxpk_rssi; // RSSI app_vars.uart_txFrame[3] = app_vars.rxpk_lqi; // LQI app_vars.uart_txFrame[4] = app_vars.rxpk_crc; // CRC app_vars.uart_txFrame[5] = 0xff; // closing flag app_vars.uart_txFrame[6] = 0xff; // closing flag app_vars.uart_txFrame[7] = 0xff; // closing flag app_vars.uart_done = 0; app_vars.uart_lastTxByte = 0; // send app_vars.uart_txFrame over UART uart_clearTxInterrupts(); uart_clearRxInterrupts(); uart_enableInterrupts(); uart_writeByte(app_vars.uart_txFrame[app_vars.uart_lastTxByte]); while (app_vars.uart_done==0); // busy wait to finish uart_disableInterrupts(); // led leds_error_off(); } }
/** \brief The program starts executing here. */ int mote_main() { // needed since we are disabling/enabling interrupts below INTERRUPT_DECLARATION(); // clear local variables memset(&app_vars,0,sizeof(app_vars_t)); // initialize board board_init(); // add callback functions radio radio_setOverflowCb(cb_radioTimerOverflows); radio_setCompareCb(cb_radioTimerCompare); radio_setStartFrameCb(cb_startFrame); radio_setEndFrameCb(cb_endFrame); // setup UART uart_setCallbacks(cb_uartTxDone,cb_uartRxCb); app_vars.uart_end=FALSE; // prepare radio radio_rfOn(); radio_setFrequency(CHANNEL); // switch in RX by default radio_rxEnable(); app_vars.flags=0x00; //wait for rx while (1) { // sleep while waiting for at least one of the flags to be set while (app_vars.flags==0x00) { board_sleep(); } // handle and clear every flag while(app_vars.flags) { DISABLE_INTERRUPTS(); leds_sync_on(); // done receiving a packet // get packet from radio radio_getReceivedFrame(app_vars.packet, &app_vars.packet_len, sizeof(app_vars.packet), &app_vars.rxpk_rssi, &app_vars.rxpk_lqi, &app_vars.rxpk_crc); app_vars.packet_num=app_vars.packet[0];//packet number leds_error_off(); stringToSend[0]=app_vars.packet_num; stringToSend[1]=app_vars.rxpk_rssi; stringToSend[2]=app_vars.rxpk_lqi; stringToSend[3]=app_vars.rxpk_crc; stringToSend[4]= 0xFF; //clear this interrupt. app_vars.flags = 0x00; app_vars.uart_end=FALSE; app_vars.uart_lastTxByte = 0; ENABLE_INTERRUPTS(); // send stringToSend over UART uart_clearTxInterrupts(); uart_clearRxInterrupts(); uart_enableInterrupts(); uart_writeByte(stringToSend[app_vars.uart_lastTxByte]); while (app_vars.uart_end==FALSE);//wait to finish uart_disableInterrupts(); // clear flag leds_sync_off(); } } }