| /*-- |
|
| ' TX DEMO |
| ' ------- |
| ' |
| ' |
| ' - need PinChangeInt library |
| ' - *.eep file must flashed to Arduino first -> use eeprom Tool |
| ' - put cc1100_arduino.h in your sketch folder. dont't install it as library |
| ' for this example. |
| ' |
| '-----------------------------------------------------------------------------*/ |
| #include"cc1100_arduino.h" |
| #include<PinChangeInt.h> |
|
|
| //---------------------------=[Global variables]=---------------------------- |
|
|
| //--------------------------[Global Task variables]-------------------------- |
| uint32_t prev_millis_1s_timer = 0; |
|
|
| constuint16_t INTERVAL_1S_TIMER = 1000; // interval at which to blink (milliseconds) |
|
|
| //--------------------------[Global CC1100 variables]------------------------ |
| uint8_t Tx_fifo[FIFOBUFFER], Rx_fifo[FIFOBUFFER]; |
| uint8_t My_addr, Tx_addr, Rx_addr, Pktlen, pktlen, Lqi, Rssi; |
| uint8_t rx_addr,sender,lqi; |
| int8_t rssi_dbm; |
|
|
| volatileuint8_t cc1101_packet_available; |
|
|
| //--------------------------[class constructors]----------------------------- |
| //init CC1100 constructor |
| CC1100 cc1100; |
|
|
| //---------------------------------[SETUP]----------------------------------- |
| voidsetup() |
| { |
| // init serial Port for debugging |
| Serial.begin(38400);Serial.println(); |
|
|
| // init CC1101 RF-module and get My_address from EEPROM |
| cc1100.begin(My_addr); //inits RF module with main default settings |
|
|
| cc1100.silde(); //set to ILDE first |
| cc1100.set_mode(0x04); //set modulation array mode |
| cc1100.set_ISM(0x03); //set frequency |
| cc1100.set_channel(0x01); //set channel |
| cc1100.set_output_power_level(0); //set PA level in dbm |
| cc1100.set_myaddr(0x01); //set my own address |
|
|
| cc1100.spi_write_register(IOCFG2, 0x06); //set module in sync mode detection mode |
|
|
| cc1100.show_main_settings(); //shows setting debug messages to UART |
| cc1100.show_register_settings(); //shows current CC1101 register values |
| cc1100.receive(); //set to RECEIVE mode |
|
|
| // init interrrupt function for available packet |
| attachPinChangeInterrupt(GDO2, rf_available_int, HIGH); |
|
|
| Serial.println(F("CC1101 TX Demo")); //welcome message |
| } |
| //---------------------------------[LOOP]----------------------------------- |
| voidloop() |
| { |
|
|
| // one second update timer |
| if (millis() - prev_millis_1s_timer >= INTERVAL_1S_TIMER) |
| { |
| Rx_addr = 0x03; //receiver address |
|
|
| uint32_t time_stamp = millis(); //generate time stamp |
|
|
| Tx_fifo[3] = (uint8_t)(time_stamp >> 24); //split 32-Bit timestamp to 4 byte array |
| Tx_fifo[4] = (uint8_t)(time_stamp >> 16); |
| Tx_fifo[5] = (uint8_t)(time_stamp >> 8); |
| Tx_fifo[6] = (uint8_t)(time_stamp); |
|
|
| Pktlen = 0x07; //set packet len to 0x13 |
|
|
| detachPinChangeInterrupt(GDO2); //disable pin change interrupt |
| cc1100.sent_packet(My_addr, Rx_addr, Tx_fifo, Pktlen, 1); //sents package over air. ACK is received via GPIO polling |
| attachPinChangeInterrupt(GDO2, rf_available_int, HIGH); //enable pin change interrupt |
|
|
| Serial.print(F("tx_time: "));Serial.print(millis()-time_stamp);Serial.println(F("ms")); |
| prev_millis_1s_timer = millis(); |
| } |
|
|
| } |
| //--------------------------[end loop]---------------------------- |
|
|
| //-----interrrupt function not needed for this demo |
| //---------------------[ check incomming RF packet ]----------------------- |
| voidrf_available_int(void) |
| { |
| detachPinChangeInterrupt(GDO2); |
|
|
| if(cc1100.packet_available() == TRUE){ |
| cc1100.get_payload(Rx_fifo, pktlen, rx_addr, sender, rssi_dbm, lqi); //stores the payload data to Rx_fifo |
| cc1101_packet_available = TRUE; //set flag that an package is in RX buffer |
| } |
|
|
| attachPinChangeInterrupt(GDO2, rf_available_int, HIGH); |
| } |
