135 lines
2.8 KiB
C++
135 lines
2.8 KiB
C++
/*
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* NewRemoteSwitch library v1.1.0 (20130601) made by Randy Simons http://randysimons.nl/
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* See NewRemoteTransmitter.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 "NewRemoteTransmitter.h"
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NewRemoteTransmitter::NewRemoteTransmitter(unsigned long address, byte pin, unsigned int periodusec, byte repeats) {
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_address = address;
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_pin = pin;
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_periodusec = periodusec;
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_repeats = (1 << repeats) - 1; // I.e. _repeats = 2^repeats - 1
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pinMode(_pin, OUTPUT);
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}
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void NewRemoteTransmitter::sendGroup(boolean switchOn) {
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for (int8_t i = _repeats; i >= 0; i--) {
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_sendStartPulse();
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_sendAddress();
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// Do send group bit
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_sendBit(true);
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// Switch on | off
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_sendBit(switchOn);
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// No unit. Is this actually ignored?..
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_sendUnit(0);
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_sendStopPulse();
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}
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}
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void NewRemoteTransmitter::sendUnit(byte unit, boolean switchOn) {
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for (int8_t i = _repeats; i >= 0; i--) {
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_sendStartPulse();
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_sendAddress();
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// No group bit
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_sendBit(false);
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// Switch on | off
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_sendBit(switchOn);
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_sendUnit(unit);
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_sendStopPulse();
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}
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}
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void NewRemoteTransmitter::sendDim(byte unit, byte dimLevel) {
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for (int8_t i = _repeats; i >= 0; i--) {
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_sendStartPulse();
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_sendAddress();
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// No group bit
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_sendBit(false);
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// Switch type 'dim'
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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);
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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);
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_sendUnit(unit);
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for (int8_t j=3; j>=0; j--) {
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_sendBit(dimLevel & 1<<j);
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}
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_sendStopPulse();
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}
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}
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void NewRemoteTransmitter::_sendStartPulse(){
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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 * 10 + (_periodusec >> 1)); // Actually 10.5T insteat of 10.44T. Close enough.
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}
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void NewRemoteTransmitter::_sendAddress() {
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for (int8_t i=25; i>=0; i--) {
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_sendBit((_address >> i) & 1);
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}
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}
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void NewRemoteTransmitter::_sendUnit(byte unit) {
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for (int8_t i=3; i>=0; i--) {
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_sendBit(unit & 1<<i);
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}
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}
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void NewRemoteTransmitter::_sendStopPulse() {
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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 * 40);
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}
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void NewRemoteTransmitter::_sendBit(boolean isBitOne) {
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if (isBitOne) {
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// Send '1'
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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 * 5);
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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);
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} else {
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// Send '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);
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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 * 5);
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}
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}
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