Tasmota/tasmota/tasmota_xdrv_driver/xdrv_44_miel_hvac.ino

1745 lines
49 KiB
C++

/*
xdrv_44_miel_hvac.ino - Mitsubishi Electric HVAC support for Tasmota
Copyright (C) 2021 David Gwynne <david@gwynne.id.au>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef USE_MIEL_HVAC
/*********************************************************************************************\
* Mitsubishi Electric HVAC serial interface
\*********************************************************************************************/
#define XDRV_44 44
#ifndef nitems
#define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
#endif
#ifndef CTASSERT
#define CTASSERT(x) extern char _ctassert[(x) ? 1 : -1 ] \
__attribute__((__unused__))
#endif
#define MIEL_HVAC_LOGNAME "MiElHVAC"
#define D_CMND_MIEL_HVAC_SETFANSPEED "HVACSetFanSpeed"
#define D_CMND_MIEL_HVAC_SETMODE "HVACSetMode"
#define D_CMND_MIEL_HVAC_SETHAMODE "HVACSetHAMode"
#define D_CMND_MIEL_HVAC_SETTEMP "HVACSetTemp"
#define D_CMND_MIEL_HVAC_SETSWINGV "HVACSetSwingV"
#define D_CMND_MIEL_HVAC_SETSWINGH "HVACSetSwingH"
#define D_CMND_MIEL_HVAC_SETAIRDIRECTION "HVACSetAirDirection"
#define D_CMND_MIEL_HVAC_SETPROHIBIT "HVACSetProhibit"
#define D_CMND_MIEL_HVAC_REMOTETEMP "HVACRemoteTemp"
#define D_CMND_MIEL_HVAC_REMOTETEMP_AUTO_CLEAR_TIME "HVACRemoteTempClearTime"
#include <TasmotaSerial.h>
/* from hvac */
bool temp_type = false;
bool remotetemp_clear = true;
unsigned long remotetemp_auto_clear_time = 10000;
unsigned long remotetemp_last_call_time = 0;
struct miel_hvac_header
{
uint8_t start;
#define MIEL_HVAC_H_START 0xfc
uint8_t type;
#define MIEL_HVAC_H_TYPE_UPDATED 0x61
#define MIEL_HVAC_H_TYPE_DATA 0x62
#define MIEL_HVAC_H_TYPE_CONNECTED 0x7a
uint8_t middle1;
#define MIEL_HVAC_H_MIDDLE1 0x01
uint8_t middle2;
#define MIEL_HVAC_H_MIDDLE2 0x30
uint8_t len;
};
struct miel_hvac_data_settings
{
uint8_t _pad1[2];
uint8_t power;
#define MIEL_HVAC_SETTINGS_POWER_OFF 0x00
#define MIEL_HVAC_SETTINGS_POWER_ON 0x01
uint8_t mode;
#define MIEL_HVAC_SETTINGS_MODE_MASK 0x7f
#define MIEL_HVAC_SETTINGS_MODE_HEAT 0x01
#define MIEL_HVAC_SETTINGS_MODE_DRY 0x02
#define MIEL_HVAC_SETTINGS_MODE_COOL 0x03
#define MIEL_HVAC_SETTINGS_MODE_FAN 0x07
#define MIEL_HVAC_SETTINGS_MODE_AUTO 0x08
#define MIEL_HVAC_SETTINGS_MODE_HEAT_ISEE 0x09
#define MIEL_HVAC_SETTINGS_MODE_DRY_ISEE 0x0a
#define MIEL_HVAC_SETTINGS_MODE_COOL_ISEE 0x0b
uint8_t temp;
#ifndef MIEL_HVAC_SETTINGS_TEMP_MIN
#define MIEL_HVAC_SETTINGS_TEMP_MIN 10
#endif
#ifndef MIEL_HVAC_SETTINGS_TEMP_MAX
#define MIEL_HVAC_SETTINGS_TEMP_MAX 31
#endif
uint8_t fan;
#define MIEL_HVAC_SETTINGS_FAN_AUTO 0x00
#define MIEL_HVAC_SETTINGS_FAN_QUIET 0x01
#define MIEL_HVAC_SETTINGS_FAN_1 0x02
#define MIEL_HVAC_SETTINGS_FAN_2 0x03
#define MIEL_HVAC_SETTINGS_FAN_3 0x05
#define MIEL_HVAC_SETTINGS_FAN_4 0x06
uint8_t vane;
#define MIEL_HVAC_SETTINGS_VANE_AUTO 0x00
#define MIEL_HVAC_SETTINGS_VANE_1 0x01
#define MIEL_HVAC_SETTINGS_VANE_2 0x02
#define MIEL_HVAC_SETTINGS_VANE_3 0x03
#define MIEL_HVAC_SETTINGS_VANE_4 0x04
#define MIEL_HVAC_SETTINGS_VANE_5 0x05
#define MIEL_HVAC_SETTINGS_VANE_SWING 0x07
uint8_t prohibit;
#define MIEL_HVAC_SETTINGS_PROHIBIT_OFF 0x00
#define MIEL_HVAC_SETTINGS_PROHIBIT_POWER 0x01
#define MIEL_HVAC_SETTINGS_PROHIBIT_MODE 0x02
#define MIEL_HVAC_SETTINGS_PROHIBIT_MODE_POWER 0x03
#define MIEL_HVAC_SETTINGS_PROHIBIT_TEMP 0x04
#define MIEL_HVAC_SETTINGS_PROHIBIT_TEMP_POWER 0x05
#define MIEL_HVAC_SETTINGS_PROHIBIT_TEMP_MODE 0x06
#define MIEL_HVAC_SETTINGS_PROHIBIT_ALL 0x07
uint8_t _pad2[1];
uint8_t widevane;
#define MIEL_HVAC_SETTINGS_WIDEVANE_MASK 0x0f
#define MIEL_HVAC_SETTINGS_WIDEVANE_AUTO 0x00
#define MIEL_HVAC_SETTINGS_WIDEVANE_LL 0x01
#define MIEL_HVAC_SETTINGS_WIDEVANE_L 0x02
#define MIEL_HVAC_SETTINGS_WIDEVANE_C 0x03
#define MIEL_HVAC_SETTINGS_WIDEVANE_R 0x04
#define MIEL_HVAC_SETTINGS_WIDEVANE_RR 0x05
#define MIEL_HVAC_SETTINGS_WIDEVANE_LR 0x08
#define MIEL_HVAC_SETTINGS_WIDEVANE_SWING 0x0c
#define MIEL_HVAC_SETTINGS_WIDEVANE_ADJ 0x80
uint8_t temp05;
uint8_t _pad3[2];
uint8_t airdirection;
#define MIEL_HVAC_SETTINGS_AIRDIRECTION_EVEN 0x00
#define MIEL_HVAC_SETTINGS_AIRDIRECTION_INDIRECT 0x01
#define MIEL_HVAC_SETTINGS_AIRDIRECTION_DIRECT 0x02
};
struct miel_hvac_data_roomtemp
{
uint8_t _pad1[2];
uint8_t temp;
uint8_t _pad2[1];
uint8_t outdoortemp;
uint8_t temp05;
uint8_t settemp;
uint8_t _pad3[3];
uint8_t operationtime;
uint8_t operationtime1;
uint8_t operationtime2;
};
struct miel_hvac_data_timers
{
uint8_t _pad1[2];
uint8_t mode;
#define MIEL_HVAC_TIMER_MODE_NONE 0x00
#define MIEL_HVAC_TIMER_MODE_OFF 0x01
#define MIEL_HVAC_TIMER_MODE_ON 0x02
#define MIEL_HVAC_TIMER_MODE_BOTH 0x03
uint8_t onminutes;
uint8_t offminutes;
uint8_t onminutesremaining;
uint8_t offminutesremaining;
};
struct miel_hvac_data_status
{
uint8_t _pad1[2];
uint8_t compressorfrequency;
uint8_t compressor;
#define MIEL_HVAC_STATUS_COMPRESSOR_OFF 0x00
#define MIEL_HVAC_STATUS_COMPRESSOR_ON 0x01
uint8_t operationpower;
uint8_t operationpower1;
uint8_t operationenergy;
uint8_t operationenergy1;
};
struct miel_hvac_data_stage
{
uint8_t _pad1[2];
uint8_t operation;
#define MIEL_HVAC_STAGE_OPERATION_NORMAL 0x00
#define MIEL_HVAC_STAGE_OPERATION_UNKNOWN 0x01
#define MIEL_HVAC_STAGE_OPERATION_DEFROST 0x02
#define MIEL_HVAC_STAGE_OPERATION_UNKNOWN1 0x03
#define MIEL_HVAC_STAGE_OPERATION_PREHEAT 0x04
#define MIEL_HVAC_STAGE_OPERATION_STANDBY 0x08
uint8_t fan;
#define MIEL_HVAC_STAGE_FAN_OFF 0x00
#define MIEL_HVAC_STAGE_FAN_1 0x01
#define MIEL_HVAC_STAGE_FAN_2 0x02
#define MIEL_HVAC_STAGE_FAN_3 0x03
#define MIEL_HVAC_STAGE_FAN_4 0x04
#define MIEL_HVAC_STAGE_FAN_5 0x05
#define MIEL_HVAC_STAGE_FAN_QUIT 0x06
uint8_t mode;
#define MIEL_HVAC_STAGE_MODE_MANUAL 0x00
#define MIEL_HVAC_STAGE_MODE_AUTO_FAN 0x01
#define MIEL_HVAC_STAGE_MODE_AUTO_HEAT 0x02
#define MIEL_HVAC_STAGE_MODE_AUTO_COOL 0x03
#define MIEL_HVAC_STAGE_MODE_AUTO_LEADER 0x04
};
struct miel_hvac_data
{
uint8_t type;
#define MIEL_HVAC_DATA_T_SETTINGS 0x02
#define MIEL_HVAC_DATA_T_ROOMTEMP 0x03
#define MIEL_HVAC_DATA_T_TIMERS 0x05
#define MIEL_HVAC_DATA_T_STATUS 0x06
#define MIEL_HVAC_DATA_T_STAGE 0x09
union
{
struct miel_hvac_data_settings settings;
struct miel_hvac_data_roomtemp roomtemp;
struct miel_hvac_data_timers timers;
struct miel_hvac_data_status status;
struct miel_hvac_data_stage stage;
uint8_t bytes[15];
} data;
};
CTASSERT(sizeof(struct miel_hvac_data) == 16);
CTASSERT(offsetof(struct miel_hvac_data, data.settings.power) == 3);
CTASSERT(offsetof(struct miel_hvac_data, data.settings.mode) == 4);
CTASSERT(offsetof(struct miel_hvac_data, data.settings.temp) == 5);
CTASSERT(offsetof(struct miel_hvac_data, data.settings.fan) == 6);
CTASSERT(offsetof(struct miel_hvac_data, data.settings.vane) == 7);
CTASSERT(offsetof(struct miel_hvac_data, data.settings.prohibit) == 8);
CTASSERT(offsetof(struct miel_hvac_data, data.settings.widevane) == 10);
CTASSERT(offsetof(struct miel_hvac_data, data.settings.temp05) == 11);
CTASSERT(offsetof(struct miel_hvac_data, data.settings.airdirection) == 14);
CTASSERT(offsetof(struct miel_hvac_data, data.roomtemp.temp) == 3);
CTASSERT(offsetof(struct miel_hvac_data, data.roomtemp.outdoortemp) == 5);
CTASSERT(offsetof(struct miel_hvac_data, data.roomtemp.temp05) == 6);
CTASSERT(offsetof(struct miel_hvac_data, data.roomtemp.settemp) == 7);
CTASSERT(offsetof(struct miel_hvac_data, data.roomtemp.operationtime) == 11);
CTASSERT(offsetof(struct miel_hvac_data, data.roomtemp.operationtime1) == 12);
CTASSERT(offsetof(struct miel_hvac_data, data.roomtemp.operationtime2) == 13);
CTASSERT(offsetof(struct miel_hvac_data, data.timers.mode) == 3);
CTASSERT(offsetof(struct miel_hvac_data, data.timers.onminutes) == 4);
CTASSERT(offsetof(struct miel_hvac_data, data.timers.offminutes) == 5);
CTASSERT(offsetof(struct miel_hvac_data, data.timers.onminutesremaining) == 6);
CTASSERT(offsetof(struct miel_hvac_data, data.timers.offminutesremaining) == 7);
CTASSERT(offsetof(struct miel_hvac_data, data.stage.operation) == 3);
CTASSERT(offsetof(struct miel_hvac_data, data.stage.fan) == 4);
CTASSERT(offsetof(struct miel_hvac_data, data.stage.mode) == 5);
CTASSERT(offsetof(struct miel_hvac_data, data.status.compressorfrequency) == 3);
CTASSERT(offsetof(struct miel_hvac_data, data.status.compressor) == 4);
CTASSERT(offsetof(struct miel_hvac_data, data.status.operationpower) == 5);
CTASSERT(offsetof(struct miel_hvac_data, data.status.operationpower1) == 6);
CTASSERT(offsetof(struct miel_hvac_data, data.status.operationenergy) == 7);
CTASSERT(offsetof(struct miel_hvac_data, data.status.operationenergy1) == 8);
/* to hvac */
#define MIEL_HVAC_H_TYPE_CONNECT 0x5a
static const uint8_t miel_hvac_msg_connect[] = {0xca, 0x01};
#define MIEL_HVAC_H_TYPE_REQUEST 0x42
struct miel_hvac_msg_request
{
uint8_t type;
#define MIEL_HVAC_REQUEST_SETTINGS 0x02
#define MIEL_HVAC_REQUEST_ROOMTEMP 0x03
#define MIEL_HVAC_REQUEST_TIMERS 0x05
#define MIEL_HVAC_REQUEST_STATUS 0x06
#define MIEL_HVAC_REQUEST_STAGE 0x09
uint8_t zero[15];
};
#define MIEL_HVAC_H_TYPE_UPDATE 0x41
struct miel_hvac_msg_update_settings
{
uint8_t one;
uint16_t flags;
#define MIEL_HVAC_SETTINGS_F_WIDEVANE (1 << 0)
#define MIEL_HVAC_SETTINGS_F_POWER (1 << 8)
#define MIEL_HVAC_SETTINGS_F_MODE (1 << 9)
#define MIEL_HVAC_SETTINGS_F_TEMP (1 << 10)
#define MIEL_HVAC_SETTINGS_F_FAN (1 << 11)
#define MIEL_HVAC_SETTINGS_F_VANE (1 << 12)
#define MIEL_HVAC_SETTINGS_F_PROHIBIT (1 << 13)
#define MIEL_HVAC_SETTINGS_F_AIRDIRECTION (1 << 14)
uint8_t power;
uint8_t mode;
uint8_t temp;
uint8_t fan;
uint8_t vane;
uint8_t prohibit;
uint8_t _pad1[4];
uint8_t widevane;
uint8_t temp05;
uint8_t airdirection;
} __packed;
CTASSERT(sizeof(struct miel_hvac_msg_update_settings) == 16);
#define MIEL_HVAC_OFFS(_v) ((_v) - sizeof(struct miel_hvac_header))
CTASSERT(offsetof(struct miel_hvac_msg_update_settings, flags) == MIEL_HVAC_OFFS(6));
CTASSERT(offsetof(struct miel_hvac_msg_update_settings, power) == MIEL_HVAC_OFFS(8));
CTASSERT(offsetof(struct miel_hvac_msg_update_settings, mode) == MIEL_HVAC_OFFS(9));
CTASSERT(offsetof(struct miel_hvac_msg_update_settings, temp) == MIEL_HVAC_OFFS(10));
CTASSERT(offsetof(struct miel_hvac_msg_update_settings, fan) == MIEL_HVAC_OFFS(11));
CTASSERT(offsetof(struct miel_hvac_msg_update_settings, vane) == MIEL_HVAC_OFFS(12));
CTASSERT(offsetof(struct miel_hvac_msg_update_settings, prohibit) == MIEL_HVAC_OFFS(13));
CTASSERT(offsetof(struct miel_hvac_msg_update_settings, widevane) == MIEL_HVAC_OFFS(18));
CTASSERT(offsetof(struct miel_hvac_msg_update_settings, temp05) == MIEL_HVAC_OFFS(19));
CTASSERT(offsetof(struct miel_hvac_msg_update_settings, airdirection) == MIEL_HVAC_OFFS(20));
static inline uint8_t
miel_hvac_deg2temp(float deg)
{
if (!temp_type)
{
return (31 - deg);
}
else
{
deg = 2 * deg + 128;
return ((uint8_t)deg);
}
}
static inline float
miel_hvac_temp2deg(uint8_t temp)
{
if (!temp_type)
{
return (31 - temp);
}
else
{
temp -= 128;
return ((float)temp / 2);
}
}
static inline float
miel_hvac_roomtemp2deg(uint8_t roomtemp)
{
if (!temp_type)
{
return ((unsigned int)roomtemp + 10);
}
else
{
roomtemp -= 128;
return ((float)roomtemp / 2);
}
}
static inline float
miel_hvac_outdoortemp2deg(uint8_t outdoortemp)
{
outdoortemp -= 128;
return ((float)outdoortemp / 2);
}
struct miel_hvac_msg_update_remotetemp
{
uint8_t seven;
uint8_t control;
#define MIEL_HVAC_REMOTETEMP_CLR 0x00
#define MIEL_HVAC_REMOTETEMP_SET 0x01
/* setting for older units expressed as .5C units starting at 8C */
uint8_t temp_old;
#define MIEL_HVAC_REMOTETEMP_OLD_MIN 8
#define MIEL_HVAC_REMOTETEMP_OLD_MAX 38
#define MIEL_HVAC_REMOTETEMP_OLD_FACTOR 2
/* setting for newer units expressed as .5C units starting at -63C */
uint8_t temp;
#define MIEL_HVAC_REMOTETEMP_MIN -63
#define MIEL_HVAC_REMOTETEMP_MAX 63
#define MIEL_HVAC_REMOTETEMP_OFFSET 64
#define MIEL_HVAC_REMOTETEMP_FACTOR 2
uint8_t _pad2[12];
};
CTASSERT(sizeof(struct miel_hvac_msg_update_remotetemp) == 16);
static inline uint8_t
miel_hvac_cksum_fini(uint8_t sum)
{
return (0xfc - sum);
}
struct miel_hvac_map
{
uint8_t byte;
const char *name;
};
static const struct miel_hvac_map miel_hvac_power_map[] = {
{MIEL_HVAC_SETTINGS_POWER_OFF, "off"},
{MIEL_HVAC_SETTINGS_POWER_ON, "on"},
};
static const struct miel_hvac_map miel_hvac_mode_map[] = {
{MIEL_HVAC_SETTINGS_MODE_HEAT, "heat"},
{MIEL_HVAC_SETTINGS_MODE_DRY, "dry"},
{MIEL_HVAC_SETTINGS_MODE_COOL, "cool"},
{MIEL_HVAC_SETTINGS_MODE_FAN, "fan"},
{MIEL_HVAC_SETTINGS_MODE_AUTO, "auto"},
{MIEL_HVAC_SETTINGS_MODE_HEAT_ISEE, "heat_isee"},
{MIEL_HVAC_SETTINGS_MODE_DRY_ISEE, "dry_isee"},
{MIEL_HVAC_SETTINGS_MODE_COOL_ISEE, "cool_isee"},
};
static const struct miel_hvac_map miel_hvac_fan_map[] = {
{MIEL_HVAC_SETTINGS_FAN_AUTO, "auto"},
{MIEL_HVAC_SETTINGS_FAN_QUIET, "quiet"},
{MIEL_HVAC_SETTINGS_FAN_1, "1"},
{MIEL_HVAC_SETTINGS_FAN_2, "2"},
{MIEL_HVAC_SETTINGS_FAN_3, "3"},
{MIEL_HVAC_SETTINGS_FAN_4, "4"},
};
static const struct miel_hvac_map miel_hvac_vane_map[] = {
{MIEL_HVAC_SETTINGS_VANE_AUTO, "auto"},
{MIEL_HVAC_SETTINGS_VANE_1, "up"},
{MIEL_HVAC_SETTINGS_VANE_2, "up_middle"},
{MIEL_HVAC_SETTINGS_VANE_3, "center"},
{MIEL_HVAC_SETTINGS_VANE_4, "down_middle"},
{MIEL_HVAC_SETTINGS_VANE_5, "down"},
{MIEL_HVAC_SETTINGS_VANE_SWING, "swing"},
};
static const struct miel_hvac_map miel_hvac_widevane_map[] = {
{MIEL_HVAC_SETTINGS_WIDEVANE_AUTO, "auto"},
{MIEL_HVAC_SETTINGS_WIDEVANE_LL, "left"},
{MIEL_HVAC_SETTINGS_WIDEVANE_L, "left_middle"},
{MIEL_HVAC_SETTINGS_WIDEVANE_C, "center"},
{MIEL_HVAC_SETTINGS_WIDEVANE_R, "right"},
{MIEL_HVAC_SETTINGS_WIDEVANE_RR, "right_middle"},
{MIEL_HVAC_SETTINGS_WIDEVANE_LR, "split"},
{MIEL_HVAC_SETTINGS_WIDEVANE_SWING, "swing"},
};
static const struct miel_hvac_map miel_hvac_prohibit_map[] = {
{MIEL_HVAC_SETTINGS_PROHIBIT_OFF, "off"},
{MIEL_HVAC_SETTINGS_PROHIBIT_POWER, "power"},
{MIEL_HVAC_SETTINGS_PROHIBIT_MODE, "mode"},
{MIEL_HVAC_SETTINGS_PROHIBIT_MODE_POWER, "mode_power"},
{MIEL_HVAC_SETTINGS_PROHIBIT_TEMP, "temp"},
{MIEL_HVAC_SETTINGS_PROHIBIT_TEMP_POWER, "temp_power"},
{MIEL_HVAC_SETTINGS_PROHIBIT_TEMP_MODE, "temp_mode"},
{MIEL_HVAC_SETTINGS_PROHIBIT_ALL, "all"},
};
static const struct miel_hvac_map miel_hvac_airdirection_map[] = {
{MIEL_HVAC_SETTINGS_AIRDIRECTION_EVEN, "even"},
{MIEL_HVAC_SETTINGS_AIRDIRECTION_INDIRECT, "indirect"},
{MIEL_HVAC_SETTINGS_AIRDIRECTION_DIRECT, "direct"},
};
static const struct miel_hvac_map miel_hvac_compressor_map[] = {
{MIEL_HVAC_STATUS_COMPRESSOR_OFF, "off"},
{MIEL_HVAC_STATUS_COMPRESSOR_ON, "on"},
};
static const struct miel_hvac_map miel_hvac_timer_mode_map[] = {
{MIEL_HVAC_TIMER_MODE_NONE, "none"},
{MIEL_HVAC_TIMER_MODE_OFF, "off"},
{MIEL_HVAC_TIMER_MODE_ON, "on"},
{MIEL_HVAC_TIMER_MODE_BOTH, "on_and_off"},
};
static const struct miel_hvac_map miel_hvac_stage_operation_map[] = {
{MIEL_HVAC_STAGE_OPERATION_NORMAL, "normal"},
{MIEL_HVAC_STAGE_OPERATION_UNKNOWN, "unknown"},
{MIEL_HVAC_STAGE_OPERATION_DEFROST, "defrost"},
{MIEL_HVAC_STAGE_OPERATION_STANDBY, "standby"},
{MIEL_HVAC_STAGE_OPERATION_PREHEAT, "preheat"},
};
static const struct miel_hvac_map miel_hvac_stage_fan_map[] = {
{MIEL_HVAC_STAGE_FAN_OFF, "off"},
{MIEL_HVAC_STAGE_FAN_QUIT, "quiet"},
{MIEL_HVAC_STAGE_FAN_1, "1"},
{MIEL_HVAC_STAGE_FAN_2, "2"},
{MIEL_HVAC_STAGE_FAN_3, "3"},
{MIEL_HVAC_STAGE_FAN_4, "4"},
{MIEL_HVAC_STAGE_FAN_5, "5"},
};
static const struct miel_hvac_map miel_hvac_stage_mode_map[] = {
{MIEL_HVAC_STAGE_MODE_MANUAL, "manual"},
{MIEL_HVAC_STAGE_MODE_AUTO_FAN, "auto_fan"},
{MIEL_HVAC_STAGE_MODE_AUTO_HEAT, "auto_heat"},
{MIEL_HVAC_STAGE_MODE_AUTO_COOL, "auto_cool"},
{MIEL_HVAC_STAGE_MODE_AUTO_LEADER, "auto_leader"},
};
enum miel_hvac_parser_state
{
MIEL_HVAC_P_START,
MIEL_HVAC_P_TYPE,
MIEL_HVAC_P_MIDDLE1,
MIEL_HVAC_P_MIDDLE2,
MIEL_HVAC_P_LEN,
MIEL_HVAC_P_DATA,
MIEL_HVAC_P_CKSUM,
MIEL_HVAC_P_SKIP,
MIEL_HVAC_P_SKIP_CKSUM,
};
#define MIEL_HVAC_DATABUFLEN 64
struct miel_hvac_parser
{
enum miel_hvac_parser_state p_state;
uint8_t p_tmo;
uint8_t p_type;
uint8_t p_sum;
uint8_t p_len;
uint8_t p_off;
uint8_t p_data[MIEL_HVAC_DATABUFLEN];
};
struct miel_hvac_softc
{
TasmotaSerial *sc_serial;
struct miel_hvac_parser sc_parser;
unsigned int sc_device;
unsigned int sc_tick;
bool sc_settings_set;
bool sc_connected;
struct miel_hvac_data sc_settings;
struct miel_hvac_data sc_roomtemp;
struct miel_hvac_data sc_timers;
struct miel_hvac_data sc_status;
struct miel_hvac_data sc_stage;
struct miel_hvac_msg_update_settings sc_settings_update;
struct miel_hvac_msg_update_remotetemp sc_remotetemp_update;
};
static inline bool
miel_hvac_update_settings_pending(struct miel_hvac_softc *sc)
{
struct miel_hvac_msg_update_settings *update = &sc->sc_settings_update;
return (update->flags != htons(0));
}
static struct miel_hvac_softc *miel_hvac_sc = nullptr;
static void miel_hvac_input_connected(struct miel_hvac_softc *, const void *, size_t);
static void miel_hvac_input_data(struct miel_hvac_softc *, const void *, size_t);
static void miel_hvac_input_updated(struct miel_hvac_softc *, const void *, size_t);
static enum miel_hvac_parser_state
miel_hvac_parse(struct miel_hvac_softc *sc, uint8_t byte)
{
struct miel_hvac_parser *p = &sc->sc_parser;
enum miel_hvac_parser_state nstate = p->p_state;
switch (p->p_state)
{
case MIEL_HVAC_P_START:
if (byte != MIEL_HVAC_H_START)
return (MIEL_HVAC_P_START);
/* reset state */
p->p_sum = 0;
p->p_tmo = 0;
nstate = MIEL_HVAC_P_TYPE;
break;
case MIEL_HVAC_P_TYPE:
p->p_type = byte;
nstate = MIEL_HVAC_P_MIDDLE1;
break;
case MIEL_HVAC_P_MIDDLE1:
if (byte != MIEL_HVAC_H_MIDDLE1)
{
AddLog(LOG_LEVEL_DEBUG, PSTR(MIEL_HVAC_LOGNAME ": parse state MIDDLE1 expected %02x got %02x"
", restarting"),
MIEL_HVAC_H_MIDDLE1, byte);
return (MIEL_HVAC_P_START);
}
nstate = MIEL_HVAC_P_MIDDLE2;
break;
case MIEL_HVAC_P_MIDDLE2:
if (byte != MIEL_HVAC_H_MIDDLE2)
{
AddLog(LOG_LEVEL_DEBUG, PSTR(MIEL_HVAC_LOGNAME ": parse state MIDDLE2 expected %02x got %02x"
", restarting"),
MIEL_HVAC_H_MIDDLE2, byte);
return (MIEL_HVAC_P_START);
}
nstate = MIEL_HVAC_P_LEN;
break;
case MIEL_HVAC_P_LEN:
if (byte == 0)
{
AddLog(LOG_LEVEL_DEBUG, PSTR(MIEL_HVAC_LOGNAME ": skipping 0 byte message type 0x%02x"), p->p_type);
return (MIEL_HVAC_P_SKIP_CKSUM);
}
p->p_len = byte;
p->p_off = 0;
switch (p->p_type)
{
case MIEL_HVAC_H_TYPE_CONNECTED:
case MIEL_HVAC_H_TYPE_DATA:
case MIEL_HVAC_H_TYPE_UPDATED:
break;
default:
AddLog(LOG_LEVEL_DEBUG, PSTR(MIEL_HVAC_LOGNAME ": skipping unknown message type 0x%02x"), p->p_type);
return (MIEL_HVAC_P_SKIP);
}
if (byte > sizeof(p->p_data))
{
AddLog(LOG_LEVEL_DEBUG, PSTR(MIEL_HVAC_LOGNAME ": skipping %u data bytes of message type 0x%02x"), p->p_len, p->p_type);
return (MIEL_HVAC_P_SKIP);
}
nstate = MIEL_HVAC_P_DATA;
break;
case MIEL_HVAC_P_DATA:
p->p_data[p->p_off++] = byte;
if (p->p_off >= p->p_len)
nstate = MIEL_HVAC_P_CKSUM;
break;
case MIEL_HVAC_P_CKSUM:
if (miel_hvac_cksum_fini(p->p_sum) != byte)
{
AddLog(LOG_LEVEL_DEBUG, PSTR(MIEL_HVAC_LOGNAME ": checksum failed, restarting"));
return (MIEL_HVAC_P_START);
}
switch (p->p_type)
{
case MIEL_HVAC_H_TYPE_CONNECTED:
miel_hvac_input_connected(sc, p->p_data, p->p_len);
break;
case MIEL_HVAC_H_TYPE_DATA:
miel_hvac_input_data(sc, p->p_data, p->p_len);
break;
case MIEL_HVAC_H_TYPE_UPDATED:
miel_hvac_input_updated(sc, p->p_data, p->p_len);
break;
}
/* this message is done, wait for another */
return (MIEL_HVAC_P_START);
case MIEL_HVAC_P_SKIP:
if (++p->p_off >= p->p_len)
return (MIEL_HVAC_P_SKIP_CKSUM);
return (nstate);
case MIEL_HVAC_P_SKIP_CKSUM:
return (MIEL_HVAC_P_START);
}
p->p_sum += byte;
return (nstate);
}
static uint8_t
miel_hvac_write(struct miel_hvac_softc *sc, const uint8_t *bytes, size_t len)
{
TasmotaSerial *serial = sc->sc_serial;
uint8_t cksum = 0;
size_t i;
for (i = 0; i < len; i++)
{
uint8_t b = bytes[i];
serial->write(b);
cksum += b;
}
return (cksum);
}
static void
miel_hvac_send(struct miel_hvac_softc *sc, uint8_t type, const void *data, size_t len)
{
TasmotaSerial *serial = sc->sc_serial;
struct miel_hvac_header h = {
MIEL_HVAC_H_START,
type,
MIEL_HVAC_H_MIDDLE1,
MIEL_HVAC_H_MIDDLE2,
(uint8_t)len,
};
uint8_t cksum = 0;
cksum += miel_hvac_write(sc, (const uint8_t *)&h, sizeof(h));
cksum += miel_hvac_write(sc, (const uint8_t *)data, len);
char hex_h[(sizeof(h) + 1) * 2];
char hex_d[(len + 1) * 2];
AddLog(LOG_LEVEL_DEBUG, PSTR(MIEL_HVAC_LOGNAME ": sending %s %s %02x"), ToHex_P((uint8_t *)&h, sizeof(h), hex_h, sizeof(hex_h)), ToHex_P((uint8_t *)data, len, hex_d, sizeof(hex_d)), miel_hvac_cksum_fini(cksum));
serial->write(miel_hvac_cksum_fini(cksum));
serial->flush();
}
#define miel_hvac_send_connect(_sc) \
miel_hvac_send((_sc), MIEL_HVAC_H_TYPE_CONNECT, \
miel_hvac_msg_connect, sizeof(miel_hvac_msg_connect))
static const struct miel_hvac_map *
miel_hvac_map_byname(const char *name, const struct miel_hvac_map *m, size_t n)
{
const struct miel_hvac_map *e;
size_t i;
for (i = 0; i < n; i++)
{
e = &m[i];
if (strcasecmp(e->name, name) == 0)
return (e);
}
return (NULL);
}
static const char *
miel_hvac_map_byval(uint8_t byte, const struct miel_hvac_map *m, size_t n)
{
const struct miel_hvac_map *e;
size_t i;
for (i = 0; i < n; i++)
{
e = &m[i];
if (byte == e->byte)
return (e->name);
}
return (NULL);
}
static void
miel_hvac_request(struct miel_hvac_softc *sc, uint8_t type)
{
struct miel_hvac_msg_request request = {type};
miel_hvac_send(sc, MIEL_HVAC_H_TYPE_REQUEST, &request, sizeof(request));
}
static void
miel_hvac_init_update_settings(struct miel_hvac_msg_update_settings *update)
{
memset(update, 0, sizeof(*update));
update->one = 1;
}
static inline void
miel_hvac_send_update_settings(struct miel_hvac_softc *sc, const struct miel_hvac_msg_update_settings *update)
{
miel_hvac_send(sc, MIEL_HVAC_H_TYPE_UPDATE, update, sizeof(*update));
}
static inline void
miel_hvac_send_update_remotetemp(struct miel_hvac_softc *sc, const struct miel_hvac_msg_update_remotetemp *update)
{
miel_hvac_send(sc, MIEL_HVAC_H_TYPE_UPDATE, update, sizeof(*update));
}
static bool
miel_hvac_set_power(struct miel_hvac_softc *sc)
{
struct miel_hvac_msg_update_settings *update = &sc->sc_settings_update;
uint16_t source = XdrvMailbox.payload;
if (source == SRC_SWITCH)
return (false);
update->flags |= htons(MIEL_HVAC_SETTINGS_F_POWER);
update->power = (XdrvMailbox.index & (1 << sc->sc_device)) ? MIEL_HVAC_SETTINGS_POWER_ON : MIEL_HVAC_SETTINGS_POWER_OFF;
return (true);
}
static void
miel_hvac_respond_unsupported(void)
{
ResponseCmndChar_P(PSTR("Unsupported"));
}
static void
miel_hvac_cmnd_setfanspeed(void)
{
struct miel_hvac_softc *sc = miel_hvac_sc;
struct miel_hvac_msg_update_settings *update = &sc->sc_settings_update;
const struct miel_hvac_map *e;
if (XdrvMailbox.data_len == 0)
return;
e = miel_hvac_map_byname(XdrvMailbox.data, miel_hvac_fan_map, nitems(miel_hvac_fan_map));
if (e == NULL)
{
miel_hvac_respond_unsupported();
return;
}
update->flags |= htons(MIEL_HVAC_SETTINGS_F_FAN);
update->fan = e->byte;
ResponseCmndChar_P(e->name);
}
static void
miel_hvac_cmnd_setmode(void)
{
struct miel_hvac_softc *sc = miel_hvac_sc;
struct miel_hvac_msg_update_settings *update = &sc->sc_settings_update;
const struct miel_hvac_map *e;
if (XdrvMailbox.data_len == 0)
return;
e = miel_hvac_map_byname(XdrvMailbox.data, miel_hvac_mode_map, nitems(miel_hvac_mode_map));
if (e == NULL)
{
miel_hvac_respond_unsupported();
return;
}
update->flags |= htons(MIEL_HVAC_SETTINGS_F_MODE);
update->mode = e->byte;
ResponseCmndChar_P(e->name);
}
static void
miel_hvac_cmnd_sethamode(void)
{
struct miel_hvac_softc *sc = miel_hvac_sc;
struct miel_hvac_msg_update_settings *update = &sc->sc_settings_update;
const struct miel_hvac_map *e;
if (XdrvMailbox.data_len == 0)
return;
if (strcasecmp(XdrvMailbox.data, "off") == 0)
{
update->flags |= htons(MIEL_HVAC_SETTINGS_F_POWER);
update->power = MIEL_HVAC_SETTINGS_POWER_OFF;
ResponseCmndChar_P(PSTR("off"));
return;
}
/*
* I could set power and then call miel_hvac_cmnd_setmode,
* but that would mean power gets turned on even if there's
* an invalid argument.
*/
e = miel_hvac_map_byname(XdrvMailbox.data, miel_hvac_mode_map, nitems(miel_hvac_mode_map));
if (e == NULL)
{
miel_hvac_respond_unsupported();
return;
}
update->flags |= htons(MIEL_HVAC_SETTINGS_F_POWER) | htons(MIEL_HVAC_SETTINGS_F_MODE);
update->power = MIEL_HVAC_SETTINGS_POWER_ON;
update->mode = e->byte;
ResponseCmndChar_P(e->name);
}
static void
miel_hvac_cmnd_settemp(void)
{
struct miel_hvac_softc *sc = miel_hvac_sc;
struct miel_hvac_msg_update_settings *update = &sc->sc_settings_update;
float degc;
if (XdrvMailbox.data_len == 0)
return;
degc = strtof(XdrvMailbox.data, nullptr);
if (degc < MIEL_HVAC_SETTINGS_TEMP_MIN || degc > MIEL_HVAC_SETTINGS_TEMP_MAX)
{
miel_hvac_respond_unsupported();
return;
}
update->flags |= htons(MIEL_HVAC_SETTINGS_F_TEMP);
if (!temp_type)
{
update->temp = miel_hvac_deg2temp(degc);
update->temp05 = 0;
}
else
{
update->temp = 0;
update->temp05 = miel_hvac_deg2temp(degc);
}
ResponseCmndNumber(degc);
}
static void
miel_hvac_cmnd_setvane(void)
{
struct miel_hvac_softc *sc = miel_hvac_sc;
struct miel_hvac_msg_update_settings *update = &sc->sc_settings_update;
const struct miel_hvac_map *e;
if (XdrvMailbox.data_len == 0)
return;
e = miel_hvac_map_byname(XdrvMailbox.data, miel_hvac_vane_map, nitems(miel_hvac_vane_map));
if (e == NULL)
{
miel_hvac_respond_unsupported();
return;
}
update->flags |= htons(MIEL_HVAC_SETTINGS_F_VANE);
update->vane = e->byte;
ResponseCmndChar_P(e->name);
}
static void
miel_hvac_cmnd_setprohibit(void)
{
struct miel_hvac_softc *sc = miel_hvac_sc;
struct miel_hvac_msg_update_settings *update = &sc->sc_settings_update;
const struct miel_hvac_map *e;
if (XdrvMailbox.data_len == 0)
return;
e = miel_hvac_map_byname(XdrvMailbox.data, miel_hvac_prohibit_map, nitems(miel_hvac_prohibit_map));
if (e == NULL)
{
miel_hvac_respond_unsupported();
return;
}
update->flags |= htons(MIEL_HVAC_SETTINGS_F_PROHIBIT);
update->prohibit = e->byte;
ResponseCmndChar_P(e->name);
}
static void
miel_hvac_cmnd_setwidevane(void)
{
struct miel_hvac_softc *sc = miel_hvac_sc;
struct miel_hvac_msg_update_settings *update = &sc->sc_settings_update;
const struct miel_hvac_map *e;
if (XdrvMailbox.data_len == 0)
return;
e = miel_hvac_map_byname(XdrvMailbox.data, miel_hvac_widevane_map, nitems(miel_hvac_widevane_map));
if (e == NULL)
{
miel_hvac_respond_unsupported();
return;
}
update->flags |= htons(MIEL_HVAC_SETTINGS_F_WIDEVANE);
update->widevane = e->byte;
ResponseCmndChar_P(e->name);
}
static void
miel_hvac_cmnd_setairdirection(void)
{
struct miel_hvac_softc *sc = miel_hvac_sc;
struct miel_hvac_msg_update_settings *update = &sc->sc_settings_update;
const struct miel_hvac_map *e;
if (XdrvMailbox.data_len == 0)
return;
e = miel_hvac_map_byname(XdrvMailbox.data, miel_hvac_airdirection_map, nitems(miel_hvac_airdirection_map));
if (e == NULL)
{
miel_hvac_respond_unsupported();
return;
}
update->flags |= htons(MIEL_HVAC_SETTINGS_F_AIRDIRECTION);
update->airdirection = e->byte;
ResponseCmndChar_P(e->name);
}
static inline uint8_t
miel_hvac_remotetemp_degc2old(long degc)
{
/*
* If a remote temperature reading is provided that cannot be
* represented by the temp_old field, implicitly clamp it to the
* supported min or max. The hardware does this anyway if you
* provide a high value, but without this the min value will
* underflow and turn a high value that the hardware thinks is 38.
*/
if (degc < MIEL_HVAC_REMOTETEMP_OLD_MIN)
degc = MIEL_HVAC_REMOTETEMP_OLD_MIN;
else if (degc > MIEL_HVAC_REMOTETEMP_OLD_MAX)
degc = MIEL_HVAC_REMOTETEMP_OLD_MIN;
return ((degc - MIEL_HVAC_REMOTETEMP_OLD_MIN) * MIEL_HVAC_REMOTETEMP_OLD_FACTOR);
}
static void
miel_hvac_remotetemp_auto_clear(void)
{
struct miel_hvac_softc *sc = miel_hvac_sc;
struct miel_hvac_msg_update_remotetemp *update = &sc->sc_remotetemp_update;
uint8_t control = MIEL_HVAC_REMOTETEMP_CLR;
long degc = 0;
memset(update, 0, sizeof(*update));
update->seven = 0x7;
update->control = control;
update->temp_old = miel_hvac_remotetemp_degc2old(degc);
update->temp = (degc + MIEL_HVAC_REMOTETEMP_OFFSET) * MIEL_HVAC_REMOTETEMP_OLD_FACTOR;
remotetemp_clear = false;
}
static void
miel_hvac_cmnd_remotetemp_auto_clear_time(void)
{
if (XdrvMailbox.data_len == 0)
return;
unsigned long clear_time = strtoul(XdrvMailbox.data, nullptr, 10);
if (clear_time < 1000 || clear_time > 600000)
{
miel_hvac_respond_unsupported();
return;
}
remotetemp_auto_clear_time = clear_time;
ResponseCmndNumber(remotetemp_auto_clear_time);
}
static void
miel_hvac_cmnd_remotetemp(void)
{
struct miel_hvac_softc *sc = miel_hvac_sc;
struct miel_hvac_msg_update_remotetemp *update = &sc->sc_remotetemp_update;
uint8_t control = MIEL_HVAC_REMOTETEMP_SET;
long degc;
if (XdrvMailbox.data_len == 0)
return;
if (strcasecmp(XdrvMailbox.data, "clear") == 0)
{
control = MIEL_HVAC_REMOTETEMP_CLR;
degc = 0;
ResponseCmndChar_P("clear");
}
else
{
degc = strtol(XdrvMailbox.data, nullptr, 0);
/* clamp the argument to supported values */
if (degc < MIEL_HVAC_REMOTETEMP_MIN)
degc = MIEL_HVAC_REMOTETEMP_MIN;
else if (degc > MIEL_HVAC_REMOTETEMP_MAX)
degc = MIEL_HVAC_REMOTETEMP_MAX;
ResponseCmndNumber(degc);
}
memset(update, 0, sizeof(*update));
update->seven = 0x7;
update->control = control;
/*
* Different HVACs (or more likely different generations
* of these HVACs) have different ways to encode the remote
* temperature value. This provides both of them to hopefully
* support all known types of HVACs.
*/
update->temp_old = miel_hvac_remotetemp_degc2old(degc);
update->temp = (degc + MIEL_HVAC_REMOTETEMP_OFFSET) * MIEL_HVAC_REMOTETEMP_OLD_FACTOR;
remotetemp_last_call_time = control == MIEL_HVAC_REMOTETEMP_SET ? millis() : 0;
remotetemp_clear = control == MIEL_HVAC_REMOTETEMP_SET ? true : false;
}
#ifdef MIEL_HVAC_DEBUG
static void
miel_hvac_cmnd_request(void)
{
struct miel_hvac_softc *sc = miel_hvac_sc;
uint8_t type = MIEL_HVAC_REQUEST_ROOMTEMP;
if (XdrvMailbox.data_len > 0)
type = strtoul(XdrvMailbox.data, nullptr, 0);
miel_hvac_request(sc, type);
ResponseCmndDone();
}
#endif
/*
* serial data handlers
*/
static void
miel_hvac_log_bytes(struct miel_hvac_softc *sc, const char *name, const void *buf, size_t len)
{
char hex[(MIEL_HVAC_DATABUFLEN + 1) * 2];
const unsigned char *b = (const unsigned char *)buf;
AddLog(LOG_LEVEL_DEBUG, PSTR(MIEL_HVAC_LOGNAME ": response %s %s"), name, ToHex_P(b, len, hex, sizeof(hex)));
}
static void
miel_hvac_input_connected(struct miel_hvac_softc *sc, const void *buf, size_t len)
{
AddLog(LOG_LEVEL_INFO, PSTR(MIEL_HVAC_LOGNAME ": connected to Mitsubishi Electric HVAC"));
sc->sc_connected = 1;
}
static void
miel_hvac_publish_settings(struct miel_hvac_softc *sc)
{
const struct miel_hvac_data_settings *set = &sc->sc_settings.data.settings;
char hex[(sizeof(sc->sc_settings) + 1) * 2];
char temp[33];
const char *name;
const char *name_swing_h;
name = miel_hvac_map_byval(set->power, miel_hvac_power_map, nitems(miel_hvac_power_map));
if (name != NULL)
{
Response_P(PSTR("{\"" D_JSON_IRHVAC_POWER "\":\"%s\""), name);
}
name = miel_hvac_map_byval(set->mode & MIEL_HVAC_SETTINGS_MODE_MASK, miel_hvac_mode_map, nitems(miel_hvac_mode_map));
if (name != NULL)
{
ResponseAppend_P(PSTR(",\"" D_JSON_IRHVAC_MODE "\":\"%s\""), name);
ResponseAppend_P(PSTR(",\"HA" D_JSON_IRHVAC_MODE "\":\"%s\""), set->power ? name : "off");
}
if (set->temp05 == 0)
{
dtostrfd(ConvertTemp(miel_hvac_temp2deg(set->temp)), Settings->flag2.temperature_resolution, temp);
}
else
{
temp_type = true;
dtostrfd(ConvertTemp(miel_hvac_temp2deg(set->temp05)), Settings->flag2.temperature_resolution, temp);
}
ResponseAppend_P(PSTR(",\"" D_JSON_IRHVAC_TEMP "\":%s"), temp);
name = miel_hvac_map_byval(set->fan, miel_hvac_fan_map, nitems(miel_hvac_fan_map));
if (name != NULL)
{
ResponseAppend_P(PSTR(",\"" D_JSON_IRHVAC_FANSPEED "\":\"%s\""), name);
}
name = miel_hvac_map_byval(set->vane, miel_hvac_vane_map, nitems(miel_hvac_vane_map));
if (name != NULL)
{
ResponseAppend_P(PSTR(",\"" D_JSON_IRHVAC_SWINGV "\":\"%s\""), name);
}
name_swing_h = miel_hvac_map_byval(set->widevane & MIEL_HVAC_SETTINGS_WIDEVANE_MASK, miel_hvac_widevane_map, nitems(miel_hvac_widevane_map));
if (name_swing_h != NULL)
{
ResponseAppend_P(PSTR(",\"" D_JSON_IRHVAC_SWINGH "\":\"%s\""), name_swing_h);
}
name = miel_hvac_map_byval(set->airdirection, miel_hvac_airdirection_map, nitems(miel_hvac_airdirection_map));
if (name != NULL)
{
ResponseAppend_P(PSTR(",\"AirDirection\":\"%s\""), name_swing_h == "auto" ? name : "OFF");
}
name = miel_hvac_map_byval(set->prohibit, miel_hvac_prohibit_map, nitems(miel_hvac_prohibit_map));
if (name != NULL)
{
ResponseAppend_P(PSTR(",\"Prohibit\":\"%s\""), name);
}
ResponseAppend_P(PSTR(",\"Settings\":\"%s\""), ToHex_P((uint8_t *)&sc->sc_settings, sizeof(sc->sc_settings), hex, sizeof(hex)));
ResponseAppend_P(PSTR("}"));
MqttPublishPrefixTopicRulesProcess_P(TELE, PSTR("HVACSettings"));
}
static void
miel_hvac_input_settings(struct miel_hvac_softc *sc, const struct miel_hvac_data *d)
{
const struct miel_hvac_data_settings *set = &d->data.settings;
uint32_t state = set->power ? 1 : 0; /* see ExecuteCommandPower */
bool publish;
if (miel_hvac_update_settings_pending(sc))
{
/*
* Don't flop around printing settings that we might be
* changing, but also force them to be published again.
*/
sc->sc_settings_set = 0;
return;
}
if (bitRead(TasmotaGlobal.power, sc->sc_device) != !!state)
ExecuteCommandPower(sc->sc_device, state, SRC_SWITCH);
publish = (sc->sc_settings_set == 0) || (memcmp(d, &sc->sc_settings, sizeof(sc->sc_settings)) != 0);
sc->sc_settings_set = 1;
sc->sc_settings = *d;
if (publish)
miel_hvac_publish_settings(sc);
}
static void
miel_hvac_data_response(struct miel_hvac_softc *sc, const struct miel_hvac_data *d)
{
char hex[(sizeof(*d) + 1) * 2];
Response_P(PSTR("{\"Bytes\":\"%s\"}"), ToHex_P((uint8_t *)d, sizeof(*d), hex, sizeof(hex)));
MqttPublishPrefixTopicRulesProcess_P(TELE, PSTR("HVACData"));
}
static void
miel_hvac_input_sensor(struct miel_hvac_softc *sc, struct miel_hvac_data *dst, const struct miel_hvac_data *src)
{
bool publish;
publish = (memcmp(dst, src, sizeof(*dst)) != 0);
*dst = *src;
if (publish)
MqttPublishSensor();
}
static void
miel_hvac_input_data(struct miel_hvac_softc *sc, const void *buf, size_t len)
{
const struct miel_hvac_data *d;
miel_hvac_log_bytes(sc, "data", buf, len);
if (len < sizeof(*d))
{
AddLog(LOG_LEVEL_DEBUG, PSTR(MIEL_HVAC_LOGNAME ": short data response (%zu < %zu)"), len, sizeof(*d));
return;
}
d = (const struct miel_hvac_data *)buf;
switch (d->type)
{
case MIEL_HVAC_DATA_T_SETTINGS:
miel_hvac_input_settings(sc, d);
break;
case MIEL_HVAC_DATA_T_ROOMTEMP:
miel_hvac_input_sensor(sc, &sc->sc_roomtemp, d);
break;
case MIEL_HVAC_DATA_T_TIMERS:
miel_hvac_input_sensor(sc, &sc->sc_timers, d);
break;
case MIEL_HVAC_DATA_T_STATUS:
miel_hvac_input_sensor(sc, &sc->sc_status, d);
break;
case MIEL_HVAC_DATA_T_STAGE:
miel_hvac_input_sensor(sc, &sc->sc_stage, d);
break;
default:
miel_hvac_data_response(sc, d);
break;
}
}
static void
miel_hvac_input_updated(struct miel_hvac_softc *sc, const void *buf, size_t len)
{
miel_hvac_log_bytes(sc, "updated", buf, len);
}
/*
* FUNC handlers
*/
static void
miel_hvac_pre_init(void)
{
struct miel_hvac_softc *sc;
int baudrate = 2400;
if (!PinUsed(GPIO_MIEL_HVAC_TX) || !PinUsed(GPIO_MIEL_HVAC_RX))
return;
sc = (struct miel_hvac_softc *)malloc(sizeof(*sc));
if (sc == NULL)
{
AddLog(LOG_LEVEL_ERROR, PSTR(MIEL_HVAC_LOGNAME ": unable to allocate state"));
return;
}
memset(sc, 0, sizeof(*sc));
miel_hvac_init_update_settings(&sc->sc_settings_update);
sc->sc_serial = new TasmotaSerial(Pin(GPIO_MIEL_HVAC_RX), Pin(GPIO_MIEL_HVAC_TX), 2);
if (!sc->sc_serial->begin(baudrate, SERIAL_8E1))
{
AddLog(LOG_LEVEL_ERROR,
PSTR(MIEL_HVAC_LOGNAME ": unable to begin serial "
"(baudrate %d)"),
baudrate);
goto del;
}
if (sc->sc_serial->hardwareSerial())
{
ClaimSerial();
SetSerial(baudrate, TS_SERIAL_8E1);
}
#ifdef ESP32
AddLog(LOG_LEVEL_DEBUG, PSTR(MIEL_HVAC_LOGNAME ": Serial UART%d"), sc->sc_serial->getUart());
#endif
sc->sc_device = TasmotaGlobal.devices_present;
UpdateDevicesPresent(1); /* claim a POWER device slot */
miel_hvac_sc = sc;
return;
del:
delete sc->sc_serial;
free:
free(sc);
}
static void
miel_hvac_loop(struct miel_hvac_softc *sc)
{
TasmotaSerial *serial = sc->sc_serial;
while (serial->available())
{
yield();
sc->sc_parser.p_state = miel_hvac_parse(sc, serial->read());
}
}
static void
miel_hvac_sensor(struct miel_hvac_softc *sc)
{
const char *name;
const char *mode;
const char *name_swing_h;
ResponseAppend_P(PSTR(",\"MiElHVAC\":{"));
if (sc->sc_settings.type != 0)
{
const struct miel_hvac_data_settings *set = &sc->sc_settings.data.settings;
char hex[(sizeof(sc->sc_settings) + 1) * 2];
char temp[33];
name = miel_hvac_map_byval(set->power, miel_hvac_power_map, nitems(miel_hvac_power_map));
if (name != NULL)
{
ResponseAppend_P(PSTR("\"Power\":\"%s\""), name);
}
mode = miel_hvac_map_byval(set->mode & MIEL_HVAC_SETTINGS_MODE_MASK, miel_hvac_mode_map, nitems(miel_hvac_mode_map));
if (mode != NULL)
{
ResponseAppend_P(PSTR(",\"Mode\":\"%s\""), mode);
}
if (set->temp05 == 0)
{
dtostrfd(ConvertTemp(miel_hvac_temp2deg(set->temp)), Settings->flag2.temperature_resolution, temp);
}
else
{
temp_type = true;
dtostrfd(ConvertTemp(miel_hvac_temp2deg(set->temp05)), Settings->flag2.temperature_resolution, temp);
}
ResponseAppend_P(PSTR(",\"SetTemperature\":\"%s\""), temp);
name = miel_hvac_map_byval(set->fan, miel_hvac_fan_map, nitems(miel_hvac_fan_map));
if (name != NULL)
{
ResponseAppend_P(PSTR(",\"FanSpeed\":\"%s\""), name);
}
name = miel_hvac_map_byval(set->vane, miel_hvac_vane_map, nitems(miel_hvac_vane_map));
if (name != NULL)
{
ResponseAppend_P(PSTR(",\"SwingV\":\"%s\""), name);
}
name_swing_h = miel_hvac_map_byval(set->widevane & MIEL_HVAC_SETTINGS_WIDEVANE_MASK, miel_hvac_widevane_map, nitems(miel_hvac_widevane_map));
if (name_swing_h != NULL)
{
ResponseAppend_P(PSTR(",\"SwingH\":\"%s\""), name_swing_h);
}
name = miel_hvac_map_byval(set->airdirection, miel_hvac_airdirection_map, nitems(miel_hvac_airdirection_map));
if (name != NULL)
{
ResponseAppend_P(PSTR(",\"AirDirection\":\"%s\""), name_swing_h == "auto" ? name : "off");
}
name = miel_hvac_map_byval(set->prohibit, miel_hvac_prohibit_map, nitems(miel_hvac_prohibit_map));
if (name != NULL)
{
ResponseAppend_P(PSTR(",\"Prohibit\":\"%s\""), name);
}
ResponseAppend_P(PSTR(",\"Settings\":\"%s\""), ToHex_P((uint8_t *)&sc->sc_settings, sizeof(sc->sc_settings), hex, sizeof(hex)));
}
if (sc->sc_roomtemp.type != 0)
{
const struct miel_hvac_data_roomtemp *rt = &sc->sc_roomtemp.data.roomtemp;
char hex[(sizeof(sc->sc_roomtemp) + 1) * 2];
char room_temp[33];
if (rt->temp05 == 0)
{
unsigned int temp = miel_hvac_roomtemp2deg(rt->temp);
dtostrfd(ConvertTemp(temp), Settings->flag2.temperature_resolution, room_temp);
}
else
{
temp_type = true;
float temp = miel_hvac_roomtemp2deg(rt->temp05);
dtostrfd(ConvertTemp(temp), Settings->flag2.temperature_resolution, room_temp);
}
ResponseAppend_P(PSTR(",\"Temperature\":\"%s\""), room_temp);
ResponseAppend_P(PSTR(",\"RemoteTemperatureSensorState\":\"%s\""), remotetemp_clear ? "on" : "off");
char remotetempautocleartime[33];
ultoa(remotetemp_auto_clear_time, remotetempautocleartime, 10);
ResponseAppend_P(PSTR(",\"RemoteTemperatureSensorAutoClearTime\":\"%s\""), remotetempautocleartime);
if (rt->outdoortemp > 1)
{
char outdoor_temp[33];
float temp = miel_hvac_outdoortemp2deg(rt->outdoortemp);
dtostrfd(ConvertTemp(temp), 1, outdoor_temp);
ResponseAppend_P(PSTR(",\"OutdoorTemperature\":\"%s\""), outdoor_temp);
}
uint32_t combined_time = ((uint32_t)rt->operationtime << 16) | ((uint32_t)rt->operationtime1 << 8) | (uint32_t)rt->operationtime2;
float operationtime_in_min = (float)combined_time;
char operationtime[33];
dtostrf(operationtime_in_min, 1, 0, operationtime);
ResponseAppend_P(PSTR(",\"OperationTime\":\"%s\""), operationtime);
ResponseAppend_P(PSTR(",\"RoomTemp\":\"%s\""), ToHex_P((uint8_t *)&sc->sc_roomtemp, sizeof(sc->sc_roomtemp), hex, sizeof(hex)));
}
if (sc->sc_timers.type != 0)
{
const struct miel_hvac_data_timers *timer = &sc->sc_timers.data.timers;
char hex[(sizeof(sc->sc_timers) + 1) * 2];
name = miel_hvac_map_byval(timer->mode, miel_hvac_timer_mode_map, nitems(miel_hvac_timer_mode_map));
if (name != NULL)
{
ResponseAppend_P(PSTR(",\"TimerMode\":\"%s\""), name);
unsigned int on_timer = timer->onminutes * 10;
char timeron[33];
utoa(on_timer, timeron, 10);
ResponseAppend_P(PSTR(",\"TimerOn\":\"%s\""), timeron);
unsigned int timer_on_remaining = timer->onminutesremaining * 10;
char timeronremaining[33];
utoa(timer_on_remaining, timeronremaining, 10);
ResponseAppend_P(PSTR(",\"TimerOnRemaining\":\"%s\""), timeronremaining);
unsigned int off_timer = timer->offminutes * 10;
char timeroff[33];
utoa(off_timer, timeroff, 10);
ResponseAppend_P(PSTR(",\"TimerOff\":\"%s\""), timeroff);
unsigned int timer_off_remaining = timer->offminutesremaining * 10;
char timeroffremaining[33];
utoa(timer_off_remaining, timeroffremaining, 10);
ResponseAppend_P(PSTR(",\"TimerOffRemaining\":\"%s\""), timeroffremaining);
}
ResponseAppend_P(PSTR(",\"Timers\":\"%s\""), ToHex_P((uint8_t *)&sc->sc_timers, sizeof(sc->sc_timers), hex, sizeof(hex)));
}
if (sc->sc_status.type != 0)
{
const struct miel_hvac_data_status *status = &sc->sc_status.data.status;
char hex[(sizeof(sc->sc_status) + 1) * 2];
name = miel_hvac_map_byval(status->compressor, miel_hvac_compressor_map, nitems(miel_hvac_compressor_map));
ResponseAppend_P(PSTR(",\"Compressor\":\"%s\""), name != NULL ? name : "N/A");
unsigned int compressor_frequency = status->compressorfrequency;
char compressorfrequency[33];
utoa(compressor_frequency, compressorfrequency, 10);
ResponseAppend_P(PSTR(",\"CompressorFrequency\":\"%s\""), compressorfrequency);
uint16_t combined_power = ((uint16_t)status->operationpower << 8) | (uint16_t)status->operationpower1;
char operationpower[33];
dtostrfd((float)combined_power, 0, operationpower);
ResponseAppend_P(PSTR(",\"OperationPower\":\"%s\""), operationpower);
uint16_t combined_energy = ((uint16_t)status->operationenergy << 8) | (uint16_t)status->operationenergy1;
float operationenergy_in_kWh = (float)combined_energy / 10.0;
char operationenergy[33];
dtostrfd((float)operationenergy_in_kWh, 1, operationenergy);
ResponseAppend_P(PSTR(",\"OperationEnergy\":\"%s\""), operationenergy);
ResponseAppend_P(PSTR(",\"Status\":\"%s\""), ToHex_P((uint8_t *)&sc->sc_status, sizeof(sc->sc_status), hex, sizeof(hex)));
}
if (sc->sc_stage.type != 0)
{
const struct miel_hvac_data_stage *stage = &sc->sc_stage.data.stage;
char hex[(sizeof(sc->sc_stage) + 1) * 2];
name = miel_hvac_map_byval(stage->operation, miel_hvac_stage_operation_map, nitems(miel_hvac_stage_operation_map));
if (name != NULL)
{
ResponseAppend_P(PSTR(",\"OperationStage\":\"%s\""), name);
}
name = miel_hvac_map_byval(stage->fan, miel_hvac_stage_fan_map, nitems(miel_hvac_stage_fan_map));
if (name != NULL)
{
ResponseAppend_P(PSTR(",\"FanStage\":\"%s\""), name);
}
name = miel_hvac_map_byval(stage->mode, miel_hvac_stage_mode_map, nitems(miel_hvac_stage_mode_map));
if (name != NULL)
{
ResponseAppend_P(PSTR(",\"ModeStage\":\"%s\""), name == "manual" ? mode : name);
}
ResponseAppend_P(PSTR(",\"Stage\":\"%s\""), ToHex_P((uint8_t *)&sc->sc_stage, sizeof(sc->sc_stage), hex, sizeof(hex)));
}
ResponseAppend_P(PSTR("}"));
}
/*
* This is set up to pace interactions with the aircon so we should
* only have a single outstanding request at a time, and to avoid trying
* to change settings while in the middle of reading them. SETTINGS is
* requested frequently so changes from the IR remote are noticed quickly
* and published. Posting new settings preempts queries for information.
*/
enum miel_hvac_connect_states
{
MIEL_HVAC_CONNECT_S_2400_MSG,
MIEL_HVAC_CONNECT_S_9600,
MIEL_HVAC_CONNECT_S_9600_MSG,
MIEL_HVAC_CONNECT_S_2400,
MIEL_HVAC_CONNECT_S_COUNT,
};
static void
miel_hvac_connect(struct miel_hvac_softc *sc)
{
TasmotaSerial *serial = sc->sc_serial;
uint32_t baudrate;
unsigned int state;
state = (sc->sc_tick++ % MIEL_HVAC_CONNECT_S_COUNT);
switch (state)
{
case MIEL_HVAC_CONNECT_S_2400:
baudrate = 2400;
break;
case MIEL_HVAC_CONNECT_S_9600:
baudrate = 9600;
break;
default:
miel_hvac_send_connect(sc);
return;
}
serial->begin(baudrate, SERIAL_8E1);
if (serial->hardwareSerial())
SetSerial(baudrate, TS_SERIAL_8E1);
}
static void
miel_hvac_tick(struct miel_hvac_softc *sc)
{
static const uint8_t updates[] = {
MIEL_HVAC_REQUEST_SETTINGS,
MIEL_HVAC_REQUEST_STATUS,
MIEL_HVAC_REQUEST_SETTINGS,
MIEL_HVAC_REQUEST_ROOMTEMP,
MIEL_HVAC_REQUEST_SETTINGS,
MIEL_HVAC_REQUEST_TIMERS,
MIEL_HVAC_REQUEST_SETTINGS,
/* MUZ-GA80VA doesnt respond :( */
MIEL_HVAC_REQUEST_STAGE,
};
struct miel_hvac_parser *p = &sc->sc_parser;
unsigned int i;
if (p->p_state != MIEL_HVAC_P_START)
{
if (p->p_tmo)
{
AddLog(LOG_LEVEL_DEBUG, PSTR(MIEL_HVAC_LOGNAME ": read timeout"));
sc->sc_parser.p_state = MIEL_HVAC_P_START;
}
else
{
p->p_tmo = 1;
return;
}
}
if (miel_hvac_update_settings_pending(sc))
{
struct miel_hvac_msg_update_settings *update = &sc->sc_settings_update;
miel_hvac_send_update_settings(sc, update);
miel_hvac_init_update_settings(update);
/* refresh settings on next tick */
sc->sc_tick = 0;
return;
}
if (sc->sc_remotetemp_update.seven)
{
struct miel_hvac_msg_update_remotetemp *remotetemp = &sc->sc_remotetemp_update;
miel_hvac_send_update_remotetemp(sc, remotetemp);
memset(remotetemp, 0, sizeof(*remotetemp));
return;
}
i = (sc->sc_tick++ % nitems(updates));
miel_hvac_request(sc, updates[i]);
}
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
static const char miel_hvac_cmnd_names[] PROGMEM =
// No prefix
"|" D_CMND_MIEL_HVAC_SETFANSPEED
"|" D_CMND_MIEL_HVAC_SETMODE
"|" D_CMND_MIEL_HVAC_SETHAMODE
"|" D_CMND_MIEL_HVAC_SETTEMP
"|" D_CMND_MIEL_HVAC_SETSWINGV
"|" D_CMND_MIEL_HVAC_SETSWINGH
"|" D_CMND_MIEL_HVAC_SETAIRDIRECTION
"|" D_CMND_MIEL_HVAC_SETPROHIBIT
"|" D_CMND_MIEL_HVAC_REMOTETEMP
"|" D_CMND_MIEL_HVAC_REMOTETEMP_AUTO_CLEAR_TIME
#ifdef MIEL_HVAC_DEBUG
"|"
"HVACRequest"
#endif
;
static void (*const miel_hvac_cmnds[])(void) PROGMEM = {
&miel_hvac_cmnd_setfanspeed,
&miel_hvac_cmnd_setmode,
&miel_hvac_cmnd_sethamode, /* rain of hate */
&miel_hvac_cmnd_settemp,
&miel_hvac_cmnd_setvane,
&miel_hvac_cmnd_setwidevane,
&miel_hvac_cmnd_setairdirection,
&miel_hvac_cmnd_setprohibit,
&miel_hvac_cmnd_remotetemp,
&miel_hvac_cmnd_remotetemp_auto_clear_time,
#ifdef MIEL_HVAC_DEBUG
&miel_hvac_cmnd_request,
#endif
};
bool Xdrv44(uint32_t function)
{
bool result = false;
struct miel_hvac_softc *sc = miel_hvac_sc;
switch (function)
{
case FUNC_PRE_INIT:
miel_hvac_pre_init();
return (false);
}
if (sc == NULL)
return (false);
switch (function)
{
case FUNC_LOOP:
miel_hvac_loop(sc);
break;
case FUNC_SET_DEVICE_POWER:
result = miel_hvac_set_power(sc);
break;
case FUNC_EVERY_250_MSECOND:
if (sc->sc_connected)
miel_hvac_tick(sc);
else
miel_hvac_connect(sc);
break;
case FUNC_EVERY_50_MSECOND:
case FUNC_EVERY_100_MSECOND:
case FUNC_EVERY_200_MSECOND:
case FUNC_EVERY_SECOND:
if (remotetemp_clear && ((millis() - remotetemp_last_call_time) > remotetemp_auto_clear_time || remotetemp_last_call_time == 0))
{
miel_hvac_remotetemp_auto_clear();
}
break;
case FUNC_JSON_APPEND:
miel_hvac_sensor(sc);
break;
case FUNC_AFTER_TELEPERIOD:
if (sc->sc_settings_set)
miel_hvac_publish_settings(sc);
break;
case FUNC_COMMAND:
result = DecodeCommand(miel_hvac_cmnd_names, miel_hvac_cmnds);
break;
case FUNC_ACTIVE:
result = true;
break;
}
return (result);
}
#endif // USE_MIEL_HVAC