arduino-heatpumpir/DaikinHeatpumpIR.cpp

146 lines
4.1 KiB
C++

#include <DaikinHeatpumpIR.h>
DaikinHeatpumpIR::DaikinHeatpumpIR() : HeatpumpIR()
{
static const char model[] PROGMEM = "daikin";
static const char info[] PROGMEM = "{\"mdl\":\"daikin\",\"dn\":\"Daikin\",\"mT\":18,\"xT\":30,\"fs\":6,\"maint\":[10,11,12,13,14,15,16,17]}}}";
_model = model;
_info = info;
}
// Daikin numeric values to command bytes
void DaikinHeatpumpIR::send(IRSender& IR, uint8_t powerModeCmd, uint8_t operatingModeCmd, uint8_t fanSpeedCmd, uint8_t temperatureCmd, uint8_t swingVCmd, uint8_t swingHCmd)
{
// Sensible defaults for the heat pump mode
uint8_t operatingMode = DAIKIN_AIRCON_MODE_OFF | DAIKIN_AIRCON_MODE_AUTO;
uint8_t fanSpeed = DAIKIN_AIRCON_FAN_AUTO;
uint8_t temperature = 23;
switch (powerModeCmd)
{
case POWER_ON:
operatingMode |= DAIKIN_AIRCON_MODE_ON;
break;
}
switch (operatingModeCmd)
{
case MODE_AUTO:
operatingMode |= DAIKIN_AIRCON_MODE_AUTO;
break;
case MODE_HEAT:
operatingMode |= DAIKIN_AIRCON_MODE_HEAT;
break;
case MODE_COOL:
operatingMode |= DAIKIN_AIRCON_MODE_COOL;
break;
case MODE_DRY:
operatingMode |= DAIKIN_AIRCON_MODE_DRY;
temperatureCmd = 0x24;
break;
case MODE_FAN:
operatingMode |= DAIKIN_AIRCON_MODE_FAN;
temperatureCmd = 0xC0;
break;
}
switch (fanSpeedCmd)
{
case FAN_AUTO:
fanSpeed = DAIKIN_AIRCON_FAN_AUTO;
break;
case FAN_1:
fanSpeed = DAIKIN_AIRCON_FAN1;
break;
case FAN_2:
fanSpeed = DAIKIN_AIRCON_FAN2;
break;
case FAN_3:
fanSpeed = DAIKIN_AIRCON_FAN3;
break;
case FAN_4:
fanSpeed = DAIKIN_AIRCON_FAN4;
break;
case FAN_5:
fanSpeed = DAIKIN_AIRCON_FAN5;
break;
}
if ((operatingModeCmd == MODE_HEAT && temperatureCmd >= 10 && temperatureCmd <= 30) ||
(temperatureCmd >= 18 && temperatureCmd <= 30))
{
temperature = temperatureCmd << 1;
}
sendDaikin(IR, operatingMode, fanSpeed, temperature, swingVCmd, swingHCmd);
}
// Send the Daikin code
void DaikinHeatpumpIR::sendDaikin(IRSender& IR, uint8_t operatingMode, uint8_t fanSpeed, uint8_t temperature, uint8_t swingV, uint8_t swingH)
{
(void)swingV;
(void)swingH;
uint8_t daikinTemplate[35] = {
0x11, 0xDA, 0x27, 0x00, 0xC5, 0x00, 0x00, 0xD7, // First header
// 0 1 2 3 4 5 6 7
0x11, 0xDA, 0x27, 0x00, 0x42, 0x49, 0x05, 0xA2, // Second header, this seems to have the wall clock time (bytes 12 & 13 are changing)
// 8 9 10 11 12 13 14 15
0x11, 0xDA, 0x27, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x60, 0x00, 0x00, 0xC0, 0x00, 0x00, 0x00 };
// 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
daikinTemplate[21] = operatingMode;
daikinTemplate[22] = temperature;
daikinTemplate[24] = fanSpeed;
// Checksum calculation
// * Checksums at bytes 7 and 15 are calculated the same way
uint8_t checksum = 0x00;
for (int i=16; i<34; i++) {
checksum += daikinTemplate[i];
}
daikinTemplate[34] = checksum;
// 38 kHz PWM frequency
IR.setFrequency(38);
// Header
IR.mark(DAIKIN_AIRCON_HDR_MARK);
IR.space(DAIKIN_AIRCON_HDR_SPACE);
// First header
for (int i=0; i<8; i++) {
IR.sendIRbyte(daikinTemplate[i], DAIKIN_AIRCON_BIT_MARK, DAIKIN_AIRCON_ZERO_SPACE, DAIKIN_AIRCON_ONE_SPACE);
}
// Pause + new header
IR.mark(DAIKIN_AIRCON_BIT_MARK);
IR.space(DAIKIN_AIRCON_MSG_SPACE);
IR.mark(DAIKIN_AIRCON_HDR_MARK);
IR.space(DAIKIN_AIRCON_HDR_SPACE);
// Second header - this probably has the wall clock time
for (int i=8; i<16; i++) {
IR.sendIRbyte(daikinTemplate[i], DAIKIN_AIRCON_BIT_MARK, DAIKIN_AIRCON_ZERO_SPACE, DAIKIN_AIRCON_ONE_SPACE);
}
// Pause + new header
IR.mark(DAIKIN_AIRCON_BIT_MARK);
IR.space(DAIKIN_AIRCON_MSG_SPACE);
IR.mark(DAIKIN_AIRCON_HDR_MARK);
IR.space(DAIKIN_AIRCON_HDR_SPACE);
// Last 19 bytes - the actual payload
for (int i=16; i<35; i++) {
IR.sendIRbyte(daikinTemplate[i], DAIKIN_AIRCON_BIT_MARK, DAIKIN_AIRCON_ZERO_SPACE, DAIKIN_AIRCON_ONE_SPACE);
}
IR.mark(DAIKIN_AIRCON_BIT_MARK);
IR.space(0);
}