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ToniAToniA
ToniA
authored and
ToniA
committedNov 9, 2015
First attempt to support Daikin heatpumps
·
1.0.321.0.0
1 parent 9c1b812 commit 312914c

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3 files changed

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‎DaikinHeatpumpIR.cpp

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

‎DaikinHeatpumpIR.h

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/*
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Daikin heatpump control (Daikin remote control P/N ARC433B50)
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*/
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#ifndef DaikinHeatpumpIR_h
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#define DaikinHeatpumpIR_h
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#include <HeatpumpIR.h>
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// Daikin timing constants
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#define DAIKIN_AIRCON_HDR_MARK 3360 // 3300
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#define DAIKIN_AIRCON_HDR_SPACE 1760 // 1600
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#define DAIKIN_AIRCON_BIT_MARK 360 // 310
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#define DAIKIN_AIRCON_ONE_SPACE 1370 // 1220
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#define DAIKIN_AIRCON_ZERO_SPACE 520 // 400
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#define DAIKIN_AIRCON_MSG_SPACE 32300 // 30800
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// Daikin codes
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#define DAIKIN_AIRCON_MODE_AUTO 0x00 // Operating mode
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#define DAIKIN_AIRCON_MODE_HEAT 0x40
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#define DAIKIN_AIRCON_MODE_COOL 0x30
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#define DAIKIN_AIRCON_MODE_DRY 0x20
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#define DAIKIN_AIRCON_MODE_FAN 0x60
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#define DAIKIN_AIRCON_MODE_OFF 0x00 // Power OFF
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#define DAIKIN_AIRCON_MODE_ON 0x01
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#define DAIKIN_AIRCON_FAN_AUTO 0xA0 // Fan speed
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#define DAIKIN_AIRCON_FAN1 0x30
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#define DAIKIN_AIRCON_FAN2 0x40
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#define DAIKIN_AIRCON_FAN3 0x50
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#define DAIKIN_AIRCON_FAN4 0x60
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#define DAIKIN_AIRCON_FAN5 0x70
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class DaikinHeatpumpIR : public HeatpumpIR
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{
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public:
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DaikinHeatpumpIR();
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void send(IRSender& IR, uint8_t powerModeCmd, uint8_t operatingModeCmd, uint8_t fanSpeedCmd, uint8_t temperatureCmd, uint8_t swingVCmd, uint8_t swingHCmd);
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private:
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void sendDaikin(IRSender& IR, uint8_t operatingMode, uint8_t fanSpeed, uint8_t temperature, uint8_t swingV, uint8_t swingH);
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};
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#endif

‎keywords.txt

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@@ -12,6 +12,7 @@ MitsubishiFDHeatpumpIR KEYWORD1
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MitsubishiFEHeatpumpIR KEYWORD1
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SamsungHeatpumpIR KEYWORD1
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SharpHeatpumpIR KEYWORD1
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DaikinHeatpumpIR KEYWORD1
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IRSender KEYWORD1
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