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NewRemoteTransmitter.cpp
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/*
* NewRemoteSwitch library v1.2.0 (20140128) made by Randy Simons http://randysimons.nl/
* See NewRemoteTransmitter.h for details.
*
* License: GPLv3. See license.txt
*/
#include "NewRemoteTransmitter.h"
NewRemoteTransmitter::NewRemoteTransmitter(unsigned long address, byte pin, unsigned int periodusec, byte repeats) {
_address = address;
_pin = pin;
_periodusec = periodusec;
_repeats = (1 << repeats) - 1; // I.e. _repeats = 2^repeats - 1
pinMode(_pin, OUTPUT);
}
void NewRemoteTransmitter::sendGroup(boolean switchOn) {
for (int8_t i = _repeats; i >= 0; i--) {
_sendStartPulse();
_sendAddress();
// Do send group bit
_sendBit(true);
// Switch on | off
_sendBit(switchOn);
// No unit. Is this actually ignored?..
_sendUnit(0);
_sendStopPulse();
}
}
void NewRemoteTransmitter::sendUnit(byte unit, boolean switchOn) {
for (int8_t i = _repeats; i >= 0; i--) {
_sendStartPulse();
_sendAddress();
// No group bit
_sendBit(false);
// Switch on | off
_sendBit(switchOn);
_sendUnit(unit);
_sendStopPulse();
}
}
void NewRemoteTransmitter::sendDim(byte unit, byte dimLevel) {
for (int8_t i = _repeats; i >= 0; i--) {
_sendStartPulse();
_sendAddress();
// No group bit
_sendBit(false);
// Switch type 'dim'
digitalWrite(_pin, HIGH);
delayMicroseconds(_periodusec);
digitalWrite(_pin, LOW);
delayMicroseconds(_periodusec);
digitalWrite(_pin, HIGH);
delayMicroseconds(_periodusec);
digitalWrite(_pin, LOW);
delayMicroseconds(_periodusec);
_sendUnit(unit);
for (int8_t j=3; j>=0; j--) {
_sendBit(dimLevel & 1<<j);
}
_sendStopPulse();
}
}
void NewRemoteTransmitter::sendGroupDim(byte dimLevel) {
for (int8_t i = _repeats; i >= 0; i--) {
_sendStartPulse();
_sendAddress();
// No group bit
_sendBit(true);
// Switch type 'dim'
digitalWrite(_pin, HIGH);
delayMicroseconds(_periodusec);
digitalWrite(_pin, LOW);
delayMicroseconds(_periodusec);
digitalWrite(_pin, HIGH);
delayMicroseconds(_periodusec);
digitalWrite(_pin, LOW);
delayMicroseconds(_periodusec);
_sendUnit(0);
for (int8_t j=3; j>=0; j--) {
_sendBit(dimLevel & 1<<j);
}
_sendStopPulse();
}
}
void NewRemoteTransmitter::_sendStartPulse(){
digitalWrite(_pin, HIGH);
delayMicroseconds(_periodusec);
digitalWrite(_pin, LOW);
delayMicroseconds(_periodusec * 10 + (_periodusec >> 1)); // Actually 10.5T insteat of 10.44T. Close enough.
}
void NewRemoteTransmitter::_sendAddress() {
for (int8_t i=25; i>=0; i--) {
_sendBit((_address >> i) & 1);
}
}
void NewRemoteTransmitter::_sendUnit(byte unit) {
for (int8_t i=3; i>=0; i--) {
_sendBit(unit & 1<<i);
}
}
void NewRemoteTransmitter::_sendStopPulse() {
digitalWrite(_pin, HIGH);
delayMicroseconds(_periodusec);
digitalWrite(_pin, LOW);
delayMicroseconds(_periodusec * 40);
}
void NewRemoteTransmitter::_sendBit(boolean isBitOne) {
if (isBitOne) {
// Send '1'
digitalWrite(_pin, HIGH);
delayMicroseconds(_periodusec);
digitalWrite(_pin, LOW);
delayMicroseconds(_periodusec * 5);
digitalWrite(_pin, HIGH);
delayMicroseconds(_periodusec);
digitalWrite(_pin, LOW);
delayMicroseconds(_periodusec);
} else {
// Send '0'
digitalWrite(_pin, HIGH);
delayMicroseconds(_periodusec);
digitalWrite(_pin, LOW);
delayMicroseconds(_periodusec);
digitalWrite(_pin, HIGH);
delayMicroseconds(_periodusec);
digitalWrite(_pin, LOW);
delayMicroseconds(_periodusec * 5);
}
}