ir_Truma.h

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// Copyright 2021 David Conran (crankyoldgit)
 
 
// Supports:
//   Brand: Truma,  Model: Aventa A/C
//   Brand: Truma,  Model: 40091-86700 remote
 
#ifndef IR_TRUMA_H_
#define IR_TRUMA_H_
 
#ifndef UNIT_TEST
#include <Arduino.h>
#endif
#include "IRremoteESP8266.h"
#include "IRsend.h"
#ifdef UNIT_TEST
#include "IRsend_test.h"
#endif
 
union TrumaProtocol{
  uint64_t raw;  
  struct {
    // Byte 0 (least significant byte)
    uint8_t :8;  // fixed value (0x81)
    // Byte 1
    uint8_t Mode     :2;
    uint8_t PowerOff :1;
    uint8_t Fan      :3;
    uint8_t          :2;  // fixed value (0b11)
    // Byte 2
    uint8_t Temp:5;  
    uint8_t :3;
    // Byte 3
    uint8_t :8;  // fixed value (0xFF)
    // Byte 4
    uint8_t :8;  // fixed value (0xFF)
    // Byte 5
    uint8_t :8;  // fixed value (0xFF)
    // Byte 6
    uint8_t Sum:8;  
  };
};
 
// Constants
const uint64_t kTrumaDefaultState = 0x50FFFFFFE6E781;  
const uint8_t kTrumaChecksumInit = 5;
 
const uint8_t kTrumaAuto = 0;  // 0b00
const uint8_t kTrumaCool = 2;  // 0b10
const uint8_t kTrumaFan = 3;   // 0b11
 
const uint8_t kTrumaFanQuiet = 3;  // 0b011
const uint8_t kTrumaFanHigh = 4;   // 0b100
const uint8_t kTrumaFanMed = 5;    // 0b101
const uint8_t kTrumaFanLow = 6;    // 0b110
 
const uint8_t kTrumaTempOffset = 10;
const uint8_t kTrumaMinTemp = 16;
const uint8_t kTrumaMaxTemp = 31;
 
 
// Class
class IRTrumaAc {
 public:
  explicit IRTrumaAc(const uint16_t pin, const bool inverted = false,
                     const bool use_modulation = true);
#if SEND_TRUMA
  void send(const uint16_t repeat = kNoRepeat);
  int8_t calibrate(void) { return _irsend.calibrate(); }
#endif  // SEND_TRUMA
  void begin(void);
  void stateReset(void);
 
  void on(void);
  void off(void);
  void setPower(const bool on);
  bool getPower(void) const;
 
  void setTemp(const uint8_t celsius);
  uint8_t getTemp(void) const;
 
  void setFan(const uint8_t speed);
  uint8_t getFan(void) const;
 
  uint8_t getMode(void) const;
  void setMode(const uint8_t mode);
 
  void setQuiet(const bool on);
  bool getQuiet(void) const;
 
  uint64_t getRaw(void);
  void setRaw(const uint64_t state);
  static bool validChecksum(const uint64_t state);
  static uint8_t convertMode(const stdAc::opmode_t mode);
  static uint8_t convertFan(const stdAc::fanspeed_t speed);
  static stdAc::opmode_t toCommonMode(const uint8_t mode);
  static stdAc::fanspeed_t toCommonFanSpeed(const uint8_t speed);
  stdAc::state_t toCommon(void) const;
  String toString(void) const;
#ifndef UNIT_TEST
 
 private:
  IRsend _irsend;  
#else  // UNIT_TEST
  IRsendTest _irsend;  
#endif  // UNIT_TEST
  TrumaProtocol _;
  uint8_t _lastfan;  // Last user chosen/valid fan speed.
  uint8_t _lastmode;  // Last user chosen operation mode.
  static uint8_t calcChecksum(const uint64_t state);
  void checksum(void);
};
 
#endif  // IR_TRUMA_H_