Tasmota/lib/IRremoteESP8266/IRMitsubishiAC.cpp

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2017-04-03 14:07:49 +01:00
/*
Code to emulate Mitsubishi A/C IR remote control unit.
Inspired and derived from the work done at:
https://github.com/r45635/HVAC-IR-Control
Warning: Consider this very alpha code. Seems to work, but not validated.
Equipment it seems compatible with:
* <Add models (A/C & remotes) you've gotten it working with here>
*/
#include <IRMitsubishiAC.h>
// Initialise the object.
IRMitsubishiAC::IRMitsubishiAC(int pin) : _irsend(pin) {
stateReset();
}
// Reset the state of the remote to a known good state/sequence.
void IRMitsubishiAC::stateReset() {
for (uint8_t i = 0; i < MITSUBISHI_AC_STATE_LENGTH; i++)
remote_state[i] = known_good_state[i];
checksum(); // Calculate the checksum
}
// Configure the pin for output.
void IRMitsubishiAC::begin() {
_irsend.begin();
}
// Send the current desired state to the IR LED.
void IRMitsubishiAC::send() {
checksum(); // Ensure correct checksum before sending.
_irsend.sendMitsubishiAC(remote_state);
}
// Return a pointer to the internal state date of the remote.
uint8_t* IRMitsubishiAC::getRaw() {
checksum();
return remote_state;
}
// Calculate the checksum for the current internal state of the remote.
void IRMitsubishiAC::checksum() {
uint8_t sum = 0;
// Checksum is simple addition of all previous bytes stored
// as a 8 bit value.
for (uint8_t i = 0; i < 17; i++)
sum += remote_state[i];
remote_state[17] = sum & 0xFFU;
}
// Set the requested power state of the A/C to off.
void IRMitsubishiAC::on() {
//state = ON;
remote_state[5] |= MITSUBISHI_AC_POWER;
}
// Set the requested power state of the A/C to off.
void IRMitsubishiAC::off() {
//state = OFF;
remote_state[5] &= ~MITSUBISHI_AC_POWER;
}
// Set the requested power state of the A/C.
void IRMitsubishiAC::setPower(bool state) {
if (state)
on();
else
off();
}
// Return the requested power state of the A/C.
bool IRMitsubishiAC::getPower() {
return((remote_state[5] & MITSUBISHI_AC_POWER) != 0);
}
// Set the temp. in deg C
void IRMitsubishiAC::setTemp(uint8_t temp) {
temp = max(MITSUBISHI_AC_MIN_TEMP, temp);
temp = min(MITSUBISHI_AC_MAX_TEMP, temp);
remote_state[7] = temp - MITSUBISHI_AC_MIN_TEMP;
}
// Return the set temp. in deg C
uint8_t IRMitsubishiAC::getTemp() {
return(remote_state[7] + MITSUBISHI_AC_MIN_TEMP);
}
// Set the speed of the fan, 0-6.
// 0 is auto, 1-5 is the speed, 6 is silent.
void IRMitsubishiAC::setFan(uint8_t fan) {
// Bounds check
if (fan > MITSUBISHI_AC_FAN_SILENT)
fan = MITSUBISHI_AC_FAN_MAX; // Set the fan to maximum if out of range.
if (fan == MITSUBISHI_AC_FAN_AUTO) { // Automatic is a special case.
remote_state[9] = B10000000 | (remote_state[9] & B01111000);
return;
} else if (fan >= MITSUBISHI_AC_FAN_MAX) {
fan--; // There is no spoon^H^H^Heed 5 (max), pretend it doesn't exist.
}
remote_state[9] |= fan;
}
// Return the requested state of the unit's fan.
uint8_t IRMitsubishiAC::getFan() {
uint8_t fan = remote_state[9] & B111;
if (fan == MITSUBISHI_AC_FAN_MAX)
return MITSUBISHI_AC_FAN_SILENT;
return fan;
}
// Return the requested climate operation mode of the a/c unit.
uint8_t IRMitsubishiAC::getMode() {
/*
MITSUBISHI_AC_AUTO
MITSUBISHI_AC_COOL
MITSUBISHI_AC_DRY
MITSUBISHI_AC_HEAT
*/
return(remote_state[6]);
}
// Set the requested climate operation mode of the a/c unit.
void IRMitsubishiAC::setMode(uint8_t mode) {
// If we get an unexpected mode, default to AUTO.
switch (mode) {
case MITSUBISHI_AC_AUTO: break;
case MITSUBISHI_AC_COOL: break;
case MITSUBISHI_AC_DRY: break;
case MITSUBISHI_AC_HEAT: break;
default: mode = MITSUBISHI_AC_AUTO;
}
remote_state[6] = mode;
}
// Set the requested vane operation mode of the a/c unit.
void IRMitsubishiAC::setVane(uint8_t mode) {
mode = max(mode, B111); // bounds check
mode |= B1000;
mode <<= 3;
remote_state[9] |= mode;
}
// Return the requested vane operation mode of the a/c unit.
uint8_t IRMitsubishiAC::getVane() {
return ((remote_state[9] & B00111000) >> 3);
}