306 lines
7.0 KiB
C++
306 lines
7.0 KiB
C++
/*
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* RemoteSwitch library v2.3.0 (20121229) made by Randy Simons http://randysimons.nl/
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* See RemoteTransmitter.h for details.
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*
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* License: GPLv3. See license.txt
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*/
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#include "RemoteTransmitter.h"
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/************
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* RemoteTransmitter
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************/
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RemoteTransmitter::RemoteTransmitter(byte pin, unsigned int periodusec, byte repeats) {
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_pin=pin;
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_periodusec=periodusec;
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_repeats=repeats;
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pinMode(_pin, OUTPUT);
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}
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unsigned long RemoteTransmitter::encodeTelegram(byte trits[]) {
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unsigned long data = 0;
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// Encode data
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for (byte i=0;i<12;i++) {
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data*=3;
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data+=trits[i];
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}
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// Encode period duration
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data |= (unsigned long)_periodusec << 23;
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// Encode repeats
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data |= (unsigned long)_repeats << 20;
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return data;
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}
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void RemoteTransmitter::sendTelegram(byte trits[]) {
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sendTelegram(encodeTelegram(trits),_pin);
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}
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/**
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* Format data:
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* pppppppp|prrrdddd|dddddddd|dddddddd (32 bit)
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* p = perioud (9 bit unsigned int
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* r = repeats as 2log. Thus, if r = 3, then signal is sent 2^3=8 times
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* d = data
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*/
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void RemoteTransmitter::sendTelegram(unsigned long data, byte pin) {
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unsigned int periodusec = (unsigned long)data >> 23;
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byte repeats = ((unsigned long)data >> 20) & B111;
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sendCode(pin, data, periodusec, repeats);
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}
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void RemoteTransmitter::sendCode(byte pin, unsigned long code, unsigned int periodusec, byte repeats) {
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code &= 0xfffff; // Truncate to 20 bit ;
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// Convert the base3-code to base4, to avoid lengthy calculations when transmitting.. Messes op timings.
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// Also note this swaps endianess in the process. The MSB must be transmitted first, but is converted to
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// LSB here. This is easier when actually transmitting later on.
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unsigned long dataBase4 = 0;
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for (byte i=0; i<12; i++) {
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dataBase4<<=2;
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dataBase4|=(code%3);
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code/=3;
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}
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repeats = 1 << (repeats & B111); // repeats := 2^repeats;
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for (byte j=0;j<repeats;j++) {
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// Sent one telegram
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// Recycle code as working var to save memory
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code=dataBase4;
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for (byte i=0; i<12; i++) {
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switch (code & B11) {
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case 0:
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digitalWrite(pin, HIGH);
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delayMicroseconds(periodusec);
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digitalWrite(pin, LOW);
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delayMicroseconds(periodusec*3);
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digitalWrite(pin, HIGH);
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delayMicroseconds(periodusec);
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digitalWrite(pin, LOW);
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delayMicroseconds(periodusec*3);
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break;
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case 1:
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digitalWrite(pin, HIGH);
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delayMicroseconds(periodusec*3);
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digitalWrite(pin, LOW);
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delayMicroseconds(periodusec);
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digitalWrite(pin, HIGH);
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delayMicroseconds(periodusec*3);
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digitalWrite(pin, LOW);
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delayMicroseconds(periodusec);
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break;
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case 2: // KA: X or float
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digitalWrite(pin, HIGH);
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delayMicroseconds(periodusec);
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digitalWrite(pin, LOW);
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delayMicroseconds(periodusec*3);
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digitalWrite(pin, HIGH);
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delayMicroseconds(periodusec*3);
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digitalWrite(pin, LOW);
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delayMicroseconds(periodusec);
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break;
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}
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// Next trit
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code>>=2;
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}
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// Send termination/synchronization-signal. Total length: 32 periods
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digitalWrite(pin, HIGH);
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delayMicroseconds(periodusec);
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digitalWrite(pin, LOW);
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delayMicroseconds(periodusec*31);
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}
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}
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boolean RemoteTransmitter::isSameCode(unsigned long encodedTelegram, unsigned long receivedData) {
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return (receivedData==(encodedTelegram & 0xFFFFF)); // compare the 20 LSB's
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}
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/************
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* ActionTransmitter
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************/
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ActionTransmitter::ActionTransmitter(byte pin, unsigned int periodusec, byte repeats) : RemoteTransmitter(pin,periodusec,repeats) {
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// Call constructor
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}
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void ActionTransmitter::sendSignal(byte systemCode, char device, boolean on) {
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sendTelegram(getTelegram(systemCode,device,on), _pin);
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}
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unsigned long ActionTransmitter::getTelegram(byte systemCode, char device, boolean on) {
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byte trits[12];
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device-=65;
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for (byte i=0; i<5; i++) {
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// Trits 0-4 contain address (2^5=32 addresses)
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trits[i]=(systemCode & 1)?1:2;
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systemCode>>=1;
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// Trits 5-9 contain device. Only one trit has value 0, others have 2 (float)!
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trits[i+5]=(i==device?0:2);
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}
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// Switch on or off
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trits[10]=(!on?0:2);
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trits[11]=(on?0:2);
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return encodeTelegram(trits);
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}
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/************
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* BlokkerTransmitter
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************/
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BlokkerTransmitter::BlokkerTransmitter(byte pin, unsigned int periodusec, byte repeats) : RemoteTransmitter(pin,periodusec,repeats) {
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// Call constructor
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}
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void BlokkerTransmitter::sendSignal(byte device, boolean on) {
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sendTelegram(getTelegram(device,on), _pin);
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}
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unsigned long BlokkerTransmitter::getTelegram(byte device, boolean on) {
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byte trits[12]={0};
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device--;
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for (byte i=1; i<4; i++) {
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// Trits 1-3 contain device
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trits[i]=(device & 1)?0:1;
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device>>=1;
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}
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// Switch on or off
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trits[8]=(on?1:0);
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return encodeTelegram(trits);
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}
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/************
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* KaKuTransmitter
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************/
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KaKuTransmitter::KaKuTransmitter(byte pin, unsigned int periodusec, byte repeats) : RemoteTransmitter(pin,periodusec,repeats) {
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// Call constructor
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}
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void KaKuTransmitter::sendSignal(char address, byte device, boolean on) {
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sendTelegram(getTelegram(address, device, on), _pin);
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}
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unsigned long KaKuTransmitter::getTelegram(char address, byte device, boolean on) {
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byte trits[12];
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address-=65;
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device-=1;
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for (byte i=0; i<4; i++) {
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// Trits 0-3 contain address (2^4 = 16 addresses)
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trits[i]=(address & 1)?2:0;
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address>>=1;
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// Trits 4-8 contain device (2^4 = 16 addresses)
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trits[i+4]=(device & 1)?2:0;
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device>>=1;
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}
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// Trits 8-10 seem to be fixed
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trits[8]=0;
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trits[9]=2;
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trits[10]=2;
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// Switch on or off
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trits[11]=(on?2:0);
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return encodeTelegram(trits);
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}
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void KaKuTransmitter::sendSignal(char address, byte group, byte device, boolean on) {
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sendTelegram(getTelegram(address, group, on), _pin);
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}
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unsigned long KaKuTransmitter::getTelegram(char address, byte group, byte device, boolean on) {
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byte trits[12], i;
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address-=65;
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group-=1;
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device-=1;
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// Address. M3E Pin A0-A3
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for (i=0; i<4; i++) {
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// Trits 0-3 contain address (2^4 = 16 addresses)
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trits[i]=(address & 1)?2:0;
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address>>=1;
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}
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// Device. M3E Pin A4-A5
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for (; i<6; i++) {
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trits[i]=(device & 1)?2:0;
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device>>=1;
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}
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// Group. M3E Pin A6-A7
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for (; i<8; i++) {
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trits[i]=(group & 1)?2:0;
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group>>=1;
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}
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// Trits 8-10 are be fixed. M3E Pin A8/D0-A10/D2
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trits[8]=0;
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trits[9]=2;
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trits[10]=2;
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// Switch on or off, M3E Pin A11/D3
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trits[11]=(on?2:0);
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return encodeTelegram(trits);
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}
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/************
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* ElroTransmitter
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************/
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ElroTransmitter::ElroTransmitter(byte pin, unsigned int periodusec, byte repeats) : RemoteTransmitter(pin, periodusec, repeats) {
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//Call constructor
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}
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void ElroTransmitter::sendSignal(byte systemCode, char device, boolean on) {
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sendTelegram(getTelegram(systemCode, device, on), _pin);
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}
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unsigned long ElroTransmitter::getTelegram(byte systemCode, char device, boolean on) {
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byte trits[12];
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device-=65;
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for (byte i=0; i<5; i++) {
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//trits 0-4 contain address (2^5=32 addresses)
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trits[i]=(systemCode & 1)?0:2;
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systemCode>>=1;
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//trits 5-9 contain device. Only one trit has value 0, others have 2 (float)!
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trits[i+5]=(i==device?0:2);
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}
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//switch on or off
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trits[10]=(on?0:2);
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trits[11]=(!on?0:2);
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return encodeTelegram(trits);
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}
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