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MHI-AC-Ctrl-core.h
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MHI-AC-Ctrl-core.h
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#pragma once
#include <Arduino.h>
// comment out the data you are not interested, but at least leave one row !
const byte opdata[][2] PROGMEM = {
{ 0xc0, 0x02}, // 1 "MODE"
{ 0xc0, 0x05}, // 2 "SET-TEMP" [°C]
{ 0xc0, 0x80}, // 3 "RETURN-AIR" [°C]
{ 0xc0, 0x81}, // 5 "THI-R1" [°C]
{ 0x40, 0x81}, // 6 "THI-R2" [°C]
{ 0xc0, 0x87}, // 7 "THI-R3" [°C]
{ 0xc0, 0x1f}, // 8 "IU-FANSPEED"
{ 0xc0, 0x1e}, // 12 "TOTAL-IU-RUN" [h]
{ 0x40, 0x80}, // 21 "OUTDOOR" [°C]
{ 0x40, 0x82}, // 22 "THO-R1" [°C]
{ 0x40, 0x11}, // 24 "COMP" [Hz]
{ 0x40, 0x85}, // 27 "TD" [°C]
{ 0x40, 0x90}, // 29 "CT" [A]
{ 0x40, 0xb1}, // 32 "TDSH" [°C]
{ 0x40, 0x7c}, // 33 "PROTECTION-No"
{ 0x40, 0x1f}, // 34 "OU-FANSPEED"
{ 0x40, 0x0c}, // 36 "DEFROST"
{ 0x40, 0x1e}, // 37 "TOTAL-COMP-RUN" [h]
{ 0x40, 0x13}, // 38 "OU-EEV" [Puls]
{ 0xc0, 0x94}, // "energy-used" [kWh]
};
//#define NoFramesPerPacket 20 // number of frames/packet, must be an even number
#define NoFramesPerOpDataCycle 400 // number of frames used for a OpData request cycle; will be 20s (20 frames are 1s)
#define minTimeInternalTroom 5000 // minimal time in ms used for Troom internal sensor changes for publishing to avoid jitter
// pin defintions
#define SCK_PIN 14 //WEMOS D5
#define MOSI_PIN 13 //WEMOS D7
#define MISO_PIN 16 //Orignally connect to [12] WEMOS D6 | This caused same frequency at SPI-measure frequency as MOSI pin
// constants for the frame
#define SB0 0
#define SB1 SB0 + 1
#define SB2 SB0 + 2
#define DB0 SB2 + 1
#define DB1 SB2 + 2
#define DB2 SB2 + 3
#define DB3 SB2 + 4
#define DB4 SB2 + 5
#define DB6 SB2 + 7
#define DB9 SB2 + 10
#define DB10 SB2 + 11
#define DB11 SB2 + 12
#define DB12 SB2 + 13
#define DB14 SB2 + 15
#define CBH DB14 + 1
#define CBL DB14 + 2
enum ErrMsg { // Error message enum
err_msg_valid_frame = 0, err_msg_invalid_signature = -1, err_msg_invalid_checksum = -2, err_msg_timeout_SCK_low = -3, err_msg_timeout_SCK_high = -4
};
enum ACType { // Type enum
type_status = 0x40, type_opdata = 0x80, type_erropdata = 0xc0
};
enum ACStatus { // Status enum
status_power = type_status, status_mode, status_fan, status_vanes, status_troom, status_tsetpoint, status_errorcode,
opdata_mode = type_opdata, opdata_kwh, opdata_tsetpoint, opdata_return_air, opdata_outdoor, opdata_tho_r1, opdata_iu_fanspeed, opdata_thi_r1, opdata_thi_r2, opdata_thi_r3,
opdata_ou_fanspeed, opdata_total_iu_run, opdata_total_comp_run, opdata_comp, opdata_ct, opdata_td,
opdata_tdsh, opdata_protection_no, opdata_defrost, opdata_ou_eev1, opdata_unknown,
erropdata_mode = type_erropdata, erropdata_tsetpoint, erropdata_return_air, erropdata_thi_r1, erropdata_thi_r2, erropdata_thi_r3,
erropdata_iu_fanspeed, erropdata_total_iu_run, erropdata_outdoor, erropdata_tho_r1, erropdata_comp, erropdata_td, erropdata_ct, erropdata_ou_fanspeed,
erropdata_total_comp_run, erropdata_ou_eev1, erropdata_errorcode
};
enum ACPower { // Power enum
power_off = 0, power_on = 1
};
enum ACMode { // Mode enum
mode_auto = 0b00000000, mode_dry = 0b00000100, mode_cool = 0b00001000, mode_fan = 0b00001100, mode_heat = 0b00010000
};
enum ACVanes { // Vanes enum
vanes_1 = 1, vanes_2 = 2, vanes_3 = 3, vanes_4 = 4, vanes_unknown = 0, vanes_swing = 5
};
class CallbackInterface_Status {
public: virtual void cbiStatusFunction(ACStatus status, int value) = 0;
};
class MHI_AC_Ctrl_Core {
private:
// old status
byte status_power_old;
byte status_mode_old;
byte status_fan_old;
byte status_vanes_old;
byte status_troom_old;
byte status_tsetpoint_old;
byte status_errorcode_old;
// old operating data
uint16_t op_kwh_old;
byte op_mode_old;
byte op_settemp_old;
byte op_return_air_old;
byte op_iu_fanspeed_old;
byte op_thi_r1_old;
byte op_thi_r2_old;
byte op_thi_r3_old;
byte op_total_iu_run_old;
byte op_outdoor_old;
byte op_tho_r1_old;
byte op_total_comp_run_old;
byte op_ct_old;
byte op_tdsh_old;
byte op_protection_no_old;
byte op_ou_fanspeed_old;
byte op_defrost_old;
uint16_t op_comp_old;
byte op_td_old;
uint16_t op_ou_eev1_old;
// for writing to AC
byte new_Power = 0;
byte new_Mode = 0;
byte new_Tsetpoint = 0;
byte new_Fan = 0;
byte new_Vanes0 = 0;
byte new_Vanes1 = 0;
bool request_erropData = false;
bool request_OpStatus = false;
byte new_Troom = 0xff; // writing 0xff to DB3 indicates the usage of the internal room temperature sensor
float Troom_offset = 0.0;
CallbackInterface_Status *m_cbiStatus;
public:
void MHIAcCtrlStatus(CallbackInterface_Status *cb) {
m_cbiStatus = cb;
};
void init(); // initialization called once after boot
void reset_old_values(); // resets the 'old' variables ensuring that all status information are resend
int loop(uint max_time_ms); // receive / transmit a frame of 20 bytes
void set_power(boolean power); // power on/off the AC
void set_mode(ACMode mode); // change AC mode (e.g. heat, dry, cool etc.)
void set_tsetpoint(uint tsetpoint); // set the target temperature of the AC)
void set_fan(uint fan); // set the requested fan speed
void set_vanes(uint vanes); // set the vanes horizontal position (or swing)
void set_troom(byte temperature); // set the room temperature used by AC (0xff indicates the usage of the internal room temperature sensor)
void request_ErrOpData(); // request that the AC provides the error data
void request_OpData(); // request that the AC provides the Operational data
bool get_request_OpData(); // get boolean status if operational data is to be requested
float get_troom_offset(); // get troom offset, only usefull when ENHANCED_RESOLUTION is used
void set_troom_offset(float offset); // set troom offset, only usefull when ENHANCED_RESOLUTION is used
};