arduino-heatpumpir/FujitsuHeatpumpIR.cpp

117 lines
3.2 KiB
C++

#include <Arduino.h>
#include "FujitsuHeatpumpIR.h"
FujitsuHeatpumpIR::FujitsuHeatpumpIR()
{
}
void FujitsuHeatpumpIR::send(IRSender& IR, byte powerModeCmd, byte operatingModeCmd, byte fanSpeedCmd, byte temperatureCmd, byte swingVCmd, byte swingHCmd)
{
// Sensible defaults for the heat pump mode
byte operatingMode = FUJITSU_AIRCON1_MODE_HEAT;
byte fanSpeed = FUJITSU_AIRCON1_FAN_AUTO;
byte temperature = 23;
if (powerModeCmd == POWER_OFF)
{
operatingMode = FUJITSU_AIRCON1_MODE_OFF;
}
else
{
switch (operatingModeCmd)
{
case MODE_AUTO:
operatingMode = FUJITSU_AIRCON1_MODE_AUTO;
break;
case MODE_HEAT:
operatingMode = FUJITSU_AIRCON1_MODE_HEAT;
break;
case MODE_COOL:
operatingMode = FUJITSU_AIRCON1_MODE_COOL;
break;
case MODE_DRY:
operatingMode = FUJITSU_AIRCON1_MODE_DRY;
break;
case MODE_FAN:
operatingMode = FUJITSU_AIRCON1_MODE_FAN;
// When Fujitsu goes to FAN mode, it sets the low bit of the byte with the temperature. What is the meaning of that?
break;
}
}
switch (fanSpeedCmd)
{
case FAN_AUTO:
fanSpeed = FUJITSU_AIRCON1_FAN_AUTO;
break;
case FAN_1:
fanSpeed = FUJITSU_AIRCON1_FAN1;
break;
case FAN_2:
fanSpeed = FUJITSU_AIRCON1_FAN2;
break;
case FAN_3:
fanSpeed = FUJITSU_AIRCON1_FAN3;
break;
case FAN_4:
fanSpeed = FUJITSU_AIRCON1_FAN4;
break;
}
if ( temperatureCmd > 15 && temperatureCmd < 31)
{
temperature = temperatureCmd;
}
sendFujitsu(IR, operatingMode, fanSpeed, temperature);
}
void FujitsuHeatpumpIR::sendFujitsu(IRSender& IR, byte operatingMode, byte fanSpeed, byte temperature)
{
// ON, HEAT, AUTO FAN, +24 degrees
byte FujitsuTemplate[] = { 0x14, 0x63, 0x00, 0x10, 0x10, 0xFE, 0x09, 0x30, 0x80, 0x04, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00 };
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
static const prog_uint8_t OFF_msg[] PROGMEM = { 0x14, 0x63, 0x00, 0x10, 0x10, 0x02, 0xFD };
byte checksum = 0x00;
// Set the operatingmode on the template message
FujitsuTemplate[9] = operatingMode;
// Set the temperature on the template message
FujitsuTemplate[8] = (temperature - 16) << 4;
// Set the fan speed on the template message
FujitsuTemplate[10] = fanSpeed;
// Calculate the checksum
for (int i=0; i<15; i++) {
checksum += FujitsuTemplate[i];
}
FujitsuTemplate[15] = (byte)(0x9E - checksum);
// 40 kHz PWM frequency
IR.setFrequency(40);
// Header
IR.mark(FUJITSU_AIRCON1_HDR_MARK);
IR.space(FUJITSU_AIRCON1_HDR_SPACE);
if (operatingMode == FUJITSU_AIRCON1_MODE_OFF) {
// OFF
for (int i=0; i<sizeof(OFF_msg); i++) {
IR.sendIRByte(OFF_msg[i], FUJITSU_AIRCON1_BIT_MARK, FUJITSU_AIRCON1_ZERO_SPACE, FUJITSU_AIRCON1_ONE_SPACE);
}
} else {
// Data
for (int i=0; i<sizeof(FujitsuTemplate); i++) {
IR.sendIRByte(FujitsuTemplate[i], FUJITSU_AIRCON1_BIT_MARK, FUJITSU_AIRCON1_ZERO_SPACE, FUJITSU_AIRCON1_ONE_SPACE);
}
}
// End mark
IR.mark(FUJITSU_AIRCON1_BIT_MARK);
IR.space(0);
}