BGH airconditioner support

BGHHeatpumpIR.cpp

@@ -0,0 +1,129 @@
+#include <BGHHeatpumpIR.h>
+
+BGHHeatpumpIR::BGHHeatpumpIR() : HeatpumpIR()
+{
+  static const char PROGMEM model[] PROGMEM = "BGH_aud";
+  static const char PROGMEM info[]  PROGMEM = "{\"mdl\":\"BGH_aud\",\"dn\":\"BGH AUD\",\"mT\":18,\"xT\":32,\"fs\":3}";
+
+  _model = model;
+  _info = info;
+}
+
+
+void BGHHeatpumpIR::send(IRSender& IR, uint8_t powerModeCmd, uint8_t operatingModeCmd , uint8_t fanSpeedCmd , uint8_t temperatureCmd , uint8_t swingVCmd , uint8_t swingHCmd )
+{
+  (void)swingVCmd;
+  (void)swingHCmd;
+
+  // Sensible defaults for the heat pump mode
+
+  uint8_t powerMode = BGH_AIRCON1_POWER_ON;
+  uint8_t operatingMode = BGH_AIRCON1_MODE_HEAT;
+  uint8_t fanSpeed = BGH_AIRCON1_FAN_AUTO;
+  uint8_t temperature = 24;
+  uint8_t swingV=0;
+  uint8_t swingH=0;
+
+  if (powerModeCmd == POWER_OFF)
+  {
+    powerMode = BGH_AIRCON1_POWER_OFF;
+  }
+  else
+  {
+    switch (operatingModeCmd)
+    {
+      case MODE_AUTO:
+        operatingMode = BGH_AIRCON1_MODE_AUTO;
+        fanSpeedCmd = FAN_AUTO; // Fan speed is always 'AUTO' in AUTO mode
+        break;
+      case MODE_HEAT:
+        operatingMode = BGH_AIRCON1_MODE_HEAT;
+        break;
+      case MODE_COOL:
+        operatingMode = BGH_AIRCON1_MODE_COOL;
+        break;
+      case MODE_DRY:
+        operatingMode = BGH_AIRCON1_MODE_DRY;
+        fanSpeedCmd = FAN_AUTO; // Fan speed is always 'AUTO' in DRY mode
+        break;
+      case MODE_FAN:
+        operatingMode = BGH_AIRCON1_MODE_FAN;
+        if ( fanSpeedCmd == FAN_AUTO ) {
+          fanSpeedCmd = FAN_1; // Fan speed cannot be 'AUTO' in FAN mode
+          temperatureCmd = 25; // Fixed temperature FAN mode
+        }
+        break;
+    }
+  }
+
+  switch (fanSpeedCmd)
+  {
+    case FAN_AUTO:
+      fanSpeed = BGH_AIRCON1_FAN_AUTO;
+      break;
+    case FAN_1:
+      fanSpeed = BGH_AIRCON1_FAN1;
+      break;
+    case FAN_2:
+      fanSpeed = BGH_AIRCON1_FAN2;
+      break;
+    case FAN_3:
+      fanSpeed = BGH_AIRCON1_FAN3;
+      break;
+  }
+
+  if ( temperatureCmd > 17 && temperatureCmd < 33)
+  {
+    temperature = temperatureCmd;
+  }
+
+
+  sendBGH(IR, powerMode, operatingMode, fanSpeed, temperature, swingV, swingH);
+}
+
+// Send the BGH code
+void BGHHeatpumpIR::sendBGH(IRSender& IR, uint8_t powerMode, uint8_t operatingMode, uint8_t fanSpeed, uint8_t temperature, uint8_t swingV ,uint8_t swingH)
+{
+  (void)swingV;
+  (void)swingH;
+
+  uint8_t BGHTemplate[] = { 0x83, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00,    // Header uint8_t 0-1
+                             0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };  //
+
+  uint8_t  i;
+
+  // Set the Fan speed, On/Off.
+  BGHTemplate[2] = fanSpeed | powerMode;
+  BGHTemplate[3] =  (((temperature - 18)  << 4)  | operatingMode ) ;
+
+  // Calculate the uint8_t checksum EXOR uint8_t 2 to 12
+  BGHTemplate[13] = BGHTemplate[2];
+  for (i=3; i<13; i++) {
+     BGHTemplate[13]= BGHTemplate[i] ^ BGHTemplate[13];
+  }
+
+  // 38 kHz PWM frequency
+  IR.setFrequency(38);
+
+  // Send Header mark
+  IR.mark(BGH_AIRCON1_HDR_MARK);
+  IR.space(BGH_AIRCON1_HDR_SPACE);
+
+  // Payload header part
+  for (i=0; i<7; i++) {
+    IR.sendIRbyte(BGHTemplate[i], BGH_AIRCON1_BIT_MARK, BGH_AIRCON1_ZERO_SPACE, BGH_AIRCON1_ONE_SPACE);
+  }
+
+  // Mesage space
+  IR.mark(BGH_AIRCON1_BIT_MARK);
+  IR.space(BGH_AIRCON1_MSG_SPACE);
+
+  // Payload message part
+  for (; i<14; i++) {
+    IR.sendIRbyte(BGHTemplate[i], BGH_AIRCON1_BIT_MARK, BGH_AIRCON1_ZERO_SPACE, BGH_AIRCON1_ONE_SPACE);
+  }
+
+  // End mark
+  IR.mark(BGH_AIRCON1_BIT_MARK);
+  IR.space(0);
+}

BGHHeatpumpIR.h

@@ -0,0 +1,73 @@
+/*
+    BGH remote control J1-05(E) 
+*/
+#ifndef BGHHeatpumpIR_h
+#define BGHHeatpumpIR_h
+
+#include <HeatpumpIR.h>
+
+
+// BGH timing constants
+#define BGH_AIRCON1_HDR_MARK   9060
+#define BGH_AIRCON1_HDR_SPACE  4550
+#define BGH_AIRCON1_BIT_MARK   520
+#define BGH_AIRCON1_ONE_SPACE  1700
+#define BGH_AIRCON1_ZERO_SPACE 630
+#define BGH_AIRCON1_MSG_SPACE  8140
+
+// Power state
+#define BGH_AIRCON1_POWER_OFF   0x04	//**
+#define BGH_AIRCON1_POWER_ON    0x00	//**
+
+// Operating modes
+// BGH codes
+#define BGH_AIRCON1_MODE_AUTO  0x04 // Not available 0x00
+#define BGH_AIRCON1_MODE_HEAT  0x00
+#define BGH_AIRCON1_MODE_COOL  0x02
+#define BGH_AIRCON1_MODE_DRY   0x03
+#define BGH_AIRCON1_MODE_FAN   0x04
+#define BGH_AIRCON1_MODE_MAINT 0x04 // Power OFF
+
+// Fan speeds. Note that some heatpumps have less than 5 fan speeds
+
+#define BGH_AIRCON1_FAN_AUTO   0x00 // Fan speed
+#define BGH_AIRCON1_FAN1       0x03 // * low
+#define BGH_AIRCON1_FAN2       0x02 // * med
+#define BGH_AIRCON1_FAN3       0x01 // * high
+#define BGH_AIRCON1_FAN4       0x01 // * high Not available
+#define BGH_AIRCON1_FAN5       0x01 // * high Not available
+
+// Not available in this model.
+// Vertical air directions. Note that these cannot be set on all heat pumps
+#define BGH_VDIR_AUTO   0
+#define BGH_VDIR_MANUAL 0
+#define BGH_VDIR_SWING  0
+#define BGH_VDIR_UP     0
+#define BGH_VDIR_MUP    0
+#define BGH_VDIR_MIDDLE 0
+#define BGH_VDIR_MDOWN  0
+#define BGH_VDIR_DOWN   0
+
+// Not available in this model.
+// Horizontal air directions. Note that these cannot be set on all heat pumps
+#define BGH_HDIR_AUTO   0
+#define BGH_HDIR_MANUAL 0
+#define BGH_HDIR_SWING  0
+#define BGH_HDIR_MIDDLE 0
+#define BGH_HDIR_LEFT   0
+#define BGH_HDIR_MLEFT  0
+#define BGH_HDIR_MRIGHT 0
+#define BGH_HDIR_RIGHT  0
+
+
+class BGHHeatpumpIR : public HeatpumpIR
+{
+  public:
+    BGHHeatpumpIR();
+    void send(IRSender& IR, uint8_t powerModeCmd, uint8_t operatingModeCmd, uint8_t fanSpeedCmd, uint8_t temperatureCmd, uint8_t swingVCmd, uint8_t swingHCmd);
+
+  private:
+    void sendBGH(IRSender& IR, uint8_t powerMode, uint8_t operatingMode, uint8_t fanSpeed, uint8_t temperature, uint8_t swingV, uint8_t swingH);
+};
+
+#endif