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#include "cc2500_REG.h"
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#include "cc2500_VAL.h"
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#include <SPI.h>
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#define CC2500_SIDLE 0x36 // Exit RX / TX, turn
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#define CC2500_STX 0x35 // Enable TX. If in RX state, only enable TX if CCA passes
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#define CC2500_SFTX 0x3B // Flush the TX FIFO buffer. Only issue SFTX in IDLE or TXFIFO_UNDERFLOW states
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#define CC2500_SRES 0x30
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char vertragingA = 1; // No delay is also possible
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char vertragingB = 200; // 100 doesn't work (to fast), 150 works + safety margin (empirical)
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void WriteReg(char addr, char value){
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digitalWrite(SS,LOW);
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while (digitalRead(MISO) == HIGH) {
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};
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SPI.transfer(addr);
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delayMicroseconds(vertragingB);
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SPI.transfer(value);
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digitalWrite(SS,HIGH);
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}
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void SendStrobe(char strobe){
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digitalWrite(SS,LOW);
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while (digitalRead(MISO) == HIGH) {
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};
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SPI.transfer(strobe);
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digitalWrite(SS,HIGH);
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delayMicroseconds(vertragingB);
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}
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void init_CC2500(){
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WriteReg(REG_IOCFG2,VAL_IOCFG2);
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WriteReg(REG_IOCFG0,VAL_IOCFG0);
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WriteReg(REG_PKTLEN,VAL_PKTLEN);
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WriteReg(REG_PKTCTRL1,VAL_PKTCTRL1);
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WriteReg(REG_PKTCTRL0,VAL_PKTCTRL0);
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WriteReg(REG_ADDR,VAL_ADDR);
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WriteReg(REG_CHANNR,VAL_CHANNR);
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WriteReg(REG_FSCTRL1,VAL_FSCTRL1);
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WriteReg(REG_FSCTRL0,VAL_FSCTRL0);
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WriteReg(REG_FREQ2,VAL_FREQ2);
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WriteReg(REG_FREQ1,VAL_FREQ1);
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WriteReg(REG_FREQ0,VAL_FREQ0);
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WriteReg(REG_MDMCFG4,VAL_MDMCFG4);
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WriteReg(REG_MDMCFG3,VAL_MDMCFG3);
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WriteReg(REG_MDMCFG2,VAL_MDMCFG2);
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WriteReg(REG_MDMCFG1,VAL_MDMCFG1);
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WriteReg(REG_MDMCFG0,VAL_MDMCFG0);
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WriteReg(REG_DEVIATN,VAL_DEVIATN);
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WriteReg(REG_MCSM2,VAL_MCSM2);
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WriteReg(REG_MCSM1,VAL_MCSM1);
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WriteReg(REG_MCSM0,VAL_MCSM0);
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WriteReg(REG_FOCCFG,VAL_FOCCFG);
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WriteReg(REG_BSCFG,VAL_BSCFG);
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WriteReg(REG_AGCCTRL2,VAL_AGCCTRL2);
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WriteReg(REG_AGCCTRL1,VAL_AGCCTRL1);
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WriteReg(REG_AGCCTRL0,VAL_AGCCTRL0);
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WriteReg(REG_WOREVT1,VAL_WOREVT1);
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WriteReg(REG_WOREVT0,VAL_WOREVT0);
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WriteReg(REG_WORCTRL,VAL_WORCTRL);
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WriteReg(REG_FREND1,VAL_FREND1);
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WriteReg(REG_FREND0,VAL_FREND0);
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WriteReg(REG_FSCAL3,VAL_FSCAL3);
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WriteReg(REG_FSCAL2,VAL_FSCAL2);
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WriteReg(REG_FSCAL1,VAL_FSCAL1);
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WriteReg(REG_FSCAL0,VAL_FSCAL0);
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WriteReg(REG_RCCTRL1,VAL_RCCTRL1);
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WriteReg(REG_RCCTRL0,VAL_RCCTRL0);
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WriteReg(REG_FSTEST,VAL_FSTEST);
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WriteReg(REG_TEST2,VAL_TEST2);
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WriteReg(REG_TEST1,VAL_TEST1);
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WriteReg(REG_TEST0,VAL_TEST0);
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WriteReg(REG_DAFUQ,VAL_DAFUQ);
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}
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boolean UNPAIRED = false; //Used for turning the light on and off
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void setup(){
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pinMode(2, INPUT_PULLUP);
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pinMode(SS,OUTPUT);
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SPI.begin();
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SPI.beginTransaction(SPISettings(6000000, MSBFIRST, SPI_MODE0)); //Faster SPI mode, maximal speed for the CC2500 without the need for extra delays
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digitalWrite(SS,HIGH);
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SendStrobe(CC2500_SRES); //0x30 SRES Reset chip.
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init_CC2500();
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WriteReg(0x3E,0xFF); //Maximum transmit power - write 0xFF to 0x3E (PATABLE)
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}
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char teller=0;
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void loop(){
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if(UNPAIRED){
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Serial.println(teller,HEX);
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for(byte i=0;i<50;i++){ //Send 50 times
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SendStrobe(CC2500_SIDLE); //0x36 SIDLE Exit RX / TX, turn off frequency synthesizer and exit Wake-On-Radio mode if applicable.
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SendStrobe(CC2500_SFTX); //0x3B SFTX Flush the TX FIFO buffer. Only issue SFTX in IDLE or TXFIFO_UNDERFLOW states.
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digitalWrite(SS,LOW);
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while (digitalRead(MISO) == HIGH) { };
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SPI.transfer(0x7F);
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delayMicroseconds(vertragingA);
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SPI.transfer(0x06);
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delayMicroseconds(vertragingA);
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SPI.transfer(0x55);
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delayMicroseconds(vertragingA);
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SPI.transfer(0x01);
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delayMicroseconds(vertragingA);
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SPI.transfer(0x3E);
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delayMicroseconds(vertragingA);
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SPI.transfer(0x94);
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delayMicroseconds(vertragingA);
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SPI.transfer(0xFF); //Command to pair remote and light
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delayMicroseconds(vertragingA);
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SPI.transfer(0xAA);
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delayMicroseconds(vertragingA);
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SPI.transfer(0xFF);
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digitalWrite(SS,HIGH);
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SendStrobe(CC2500_STX); //0x35 STX In IDLE state: Enable TX. Perform calibration first if MCSM0.FS_AUTOCAL=1. If in RX state and CCA is enabled: Only go to TX if channel is clear
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delayMicroseconds(vertragingA*10); //Longer delay for transmitting
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}
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UNPAIRED=false;
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}
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else{
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for(byte i=0;i<50;i++){ //Send 50 times
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SendStrobe(CC2500_SIDLE); //0x36 SIDLE Exit RX / TX, turn off frequency synthesizer and exit Wake-On-Radio mode if applicable.
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SendStrobe(CC2500_SFTX); //0x3B SFTX Flush the TX FIFO buffer. Only issue SFTX in IDLE or TXFIFO_UNDERFLOW states.
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digitalWrite(SS,LOW);
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while (digitalRead(MISO) == HIGH) { };
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SPI.transfer(0x7F);
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delayMicroseconds(vertragingA);
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SPI.transfer(0x06);
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delayMicroseconds(vertragingA);
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SPI.transfer(0x55);
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delayMicroseconds(vertragingA);
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SPI.transfer(0x01);
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delayMicroseconds(vertragingA);
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SPI.transfer(0x3E);
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delayMicroseconds(vertragingA);
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SPI.transfer(0x94);
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delayMicroseconds(vertragingA);
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SPI.transfer(0x01); //1 = Turn light off
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delayMicroseconds(vertragingA);
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SPI.transfer(0xAA);
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delayMicroseconds(vertragingA);
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SPI.transfer(0xFF);
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digitalWrite(SS,HIGH);
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SendStrobe(CC2500_STX); //0x35 STX In IDLE state: Enable TX. Perform calibration first if MCSM0.FS_AUTOCAL=1. If in RX state and CCA is enabled: Only go to TX if channel is clear
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delayMicroseconds(vertragingA*10);
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}
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UNPAIRED=true;
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teller+=10;
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}
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}
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