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Tasmota/sonoff/xdrv_12_home_assistant.ino

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/*
xdrv_12_home_assistant.ino - home assistant support for Sonoff-Tasmota
Copyright (C) 2019 Theo Arends
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_HOME_ASSISTANT
#define XDRV_12 12
const char HASS_DISCOVER_RELAY[] PROGMEM =
"{\"name\":\"%s\"," // dualr2 1
"\"cmd_t\":\"%s\"," // cmnd/dualr2/POWER2
"\"stat_t\":\"%s\"," // stat/dualr2/RESULT (implies "\"optimistic\":\"false\",")
"\"val_tpl\":\"{{value_json.%s}}\"," // POWER2
"\"pl_off\":\"%s\"," // OFF
"\"pl_on\":\"%s\"," // ON
// "\"optimistic\":\"false\"," // false is Hass default when state_topic is set
"\"avty_t\":\"%s\"," // tele/dualr2/LWT
"\"pl_avail\":\"" D_ONLINE "\"," // Online
"\"pl_not_avail\":\"" D_OFFLINE "\""; // Offline
const char HASS_DISCOVER_BUTTON_SWITCH[] PROGMEM =
"{\"name\":\"%s\"," // dualr2 1 BTN
"\"stat_t\":\"%s\"," // cmnd/dualr2/POWER (implies "\"optimistic\":\"false\",")
// "\"value_template\":\"{{value_json.%s}}\"," // POWER2
"\"pl_on\":\"%s\"," // TOGGLE
// "\"optimistic\":\"false\"," // false is Hass default when state_topic is set
"\"avty_t\":\"%s\"," // tele/dualr2/LWT
"\"pl_avail\":\"" D_ONLINE "\"," // Online
"\"pl_not_avail\":\"" D_OFFLINE "\""; // Offline
const char HASS_DISCOVER_BUTTON_SWITCH_TOGGLE[] PROGMEM =
",\"off_delay\":1"; // Hass has no support for TOGGLE, fake it by resetting to OFF after 1s
const char HASS_DISCOVER_BUTTON_SWITCH_ONOFF[] PROGMEM =
",\"frc_upd\":true," // In ON/OFF case, enable force_update to make automations work
"\"pl_off\":\"%s\""; // OFF
const char HASS_DISCOVER_LIGHT_DIMMER[] PROGMEM =
",\"bri_cmd_t\":\"%s\"," // cmnd/led2/Dimmer
"\"bri_stat_t\":\"%s\"," // stat/led2/RESULT
"\"bri_scl\":100," // 100%
"\"on_cmd_type\":\"%s\"," // power on (first), power on (last), no power on (brightness)
"\"bri_val_tpl\":\"{{value_json." D_CMND_DIMMER "}}\"";
const char HASS_DISCOVER_LIGHT_COLOR[] PROGMEM =
",\"rgb_cmd_t\":\"%s2\"," // cmnd/led2/Color2
"\"rgb_stat_t\":\"%s\"," // stat/led2/RESULT
"\"rgb_val_tpl\":\"{{value_json." D_CMND_COLOR ".split(',')[0:3]|join(',')}}\"";
const char HASS_DISCOVER_LIGHT_WHITE[] PROGMEM =
",\"whit_val_cmd_t\":\"%s\"," // cmnd/led2/White
"\"whit_val_stat_t\":\"%s\"," // stat/led2/RESULT
"\"white_value_scale\":100," // (No abbreviation defined)
"\"whit_val_tpl\":\"{{value_json.Channel[3]}}\"";
const char HASS_DISCOVER_LIGHT_CT[] PROGMEM =
",\"clr_temp_cmd_t\":\"%s\"," // cmnd/led2/CT
"\"clr_temp_stat_t\":\"%s\"," // stat/led2/RESULT
"\"clr_temp_val_tpl\":\"{{value_json." D_CMND_COLORTEMPERATURE "}}\"";
const char HASS_DISCOVER_LIGHT_SCHEME[] PROGMEM =
",\"fx_cmd_t\":\"%s\"," // cmnd/led2/Scheme
"\"fx_stat_t\":\"%s\"," // stat/led2/RESULT
"\"fx_val_tpl\":\"{{value_json." D_CMND_SCHEME "}}\","
"\"fx_list\":[\"0\",\"1\",\"2\",\"3\",\"4\"]"; // string list with reference to scheme parameter.
const char HASS_DISCOVER_SENSOR[] PROGMEM =
"{\"name\":\"%s\"," // dualr2 1 BTN
"\"stat_t\":\"%s\"," // cmnd/dualr2/POWER (implies "\"optimistic\":\"false\",")
"\"avty_t\":\"%s\"," // tele/dualr2/LWT
"\"pl_avail\":\"" D_ONLINE "\"," // Online
"\"pl_not_avail\":\"" D_OFFLINE "\""; // Offline
const char HASS_DISCOVER_SENSOR_TEMP[] PROGMEM =
",\"unit_of_meas\":\"°%c\"," // °C / °F
"\"val_tpl\":\"{{value_json['%s'].Temperature}}\""; // "SI7021-14":{"Temperature":null,"Humidity":null} -> {{ value_json['SI7021-14'].Temperature }}
const char HASS_DISCOVER_SENSOR_HUM[] PROGMEM =
",\"unit_of_meas\":\"%%\"," // %
"\"val_tpl\":\"{{value_json['%s'].Humidity}}\"," // "SI7021-14":{"Temperature":null,"Humidity":null} -> {{ value_json['SI7021-14'].Humidity }}
"\"dev_cla\":\"humidity\""; // humidity
const char HASS_DISCOVER_SENSOR_PRESS[] PROGMEM =
",\"unit_of_meas\":\"%s\"," // PressureUnit() setting
"\"val_tpl\":\"{{value_json['%s'].Pressure}}\"," // "BME280":{"Temperature":19.7,"Humidity":27.8,"Pressure":990.1} -> {{ value_json['BME280'].Pressure }}
"\"dev_cla\":\"pressure\""; // pressure
//ENERGY
const char HASS_DISCOVER_SENSOR_KWH[] PROGMEM =
",\"unit_of_meas\":\"kWh\"," // kWh
"\"val_tpl\":\"{{value_json['%s'].%s}}\""; // "ENERGY":{"TotalStartTime":null,"Total":null,"Yesterday":null,"Today":null,"Power":null,"ApparentPower":null,"ReactivePower":null,"Factor":null,"Voltage":null,"Current":null} -> {{ value_json['ENERGY'].Total/Yesterday/Today }}
const char HASS_DISCOVER_SENSOR_WATT[] PROGMEM =
",\"unit_of_meas\":\"W\"," // W
"\"val_tpl\":\"{{value_json['%s'].%s}}\""; // "ENERGY":{"TotalStartTime":null,"Total":null,"Yesterday":null,"Today":null,"Power":null,"ApparentPower":null,"ReactivePower":null,"Factor":null,"Voltage":null,"Current":null} -> {{ value_json['ENERGY'].POWER }}
const char HASS_DISCOVER_SENSOR_VOLTAGE[] PROGMEM =
",\"unit_of_meas\":\"V\"," // V
"\"val_tpl\":\"{{value_json['%s'].%s}}\""; // "ENERGY":{"TotalStartTime":null,"Total":null,"Yesterday":null,"Today":null,"Power":null,"ApparentPower":null,"ReactivePower":null,"Factor":null,"Voltage":null,"Current":null} -> {{ value_json['ENERGY'].Voltage }}
const char HASS_DISCOVER_SENSOR_AMPERE[] PROGMEM =
",\"unit_of_meas\":\"A\"," // A
"\"val_tpl\":\"{{value_json['%s'].%s}}\""; // "ENERGY":{"TotalStartTime":null,"Total":null,"Yesterday":null,"Today":null,"Power":null,"ApparentPower":null,"ReactivePower":null,"Factor":null,"Voltage":null,"Current":null} -> {{ value_json['ENERGY'].Current }}
const char HASS_DISCOVER_SENSOR_ANY[] PROGMEM =
",\"unit_of_meas\":\" \"," // " " As unit of measurement to get a value graph in Hass
"\"val_tpl\":\"{{value_json['%s'].%s}}\""; // "COUNTER":{"C1":0} -> {{ value_json['COUNTER'].C1 }}
const char HASS_DISCOVER_SENSOR_HASS_STATUS[] PROGMEM =
",\"json_attributes_topic\":\"%s\","
"\"unit_of_meas\":\" \"," // " " As unit of measurement to get a value graph in Hass
"\"val_tpl\":\"{{value_json['" D_JSON_RSSI "']}}\"";// "COUNTER":{"C1":0} -> {{ value_json['COUNTER'].C1 }}
const char HASS_DISCOVER_DEVICE_INFO[] PROGMEM =
",\"uniq_id\":\"%s\","
"\"device\":{\"identifiers\":[\"%06X\"],"
"\"connections\":[[\"mac\",\"%s\"]],"
"\"name\":\"%s\","
"\"model\":\"%s\","
"\"sw_version\":\"%s%s\","
"\"manufacturer\":\"Tasmota\"}";
const char HASS_DISCOVER_DEVICE_INFO_SHORT[] PROGMEM =
",\"uniq_id\":\"%s\","
"\"device\":{\"identifiers\":[\"%06X\"],"
"\"connections\":[[\"mac\",\"%s\"]]}";
const char HASS_DISCOVER_TOPIC_PREFIX[] PROGMEM =
",\"~\":\"%s\"";
uint8_t hass_init_step = 0;
uint8_t hass_mode = 0;
int hass_tele_period = 0;
static void FindPrefix(char* s1, char* s2, char* out)
{
int prefixlen = 0;
while (s1[prefixlen] != '\0' && s2[prefixlen] != '\0' && s1[prefixlen] == s2[prefixlen]) {
prefixlen++;
}
strlcpy(out, s1, prefixlen+1);
}
static void Shorten(char** s, char *prefix)
{
size_t len = strlen(*s);
size_t prefixlen = strlen(prefix);
if (len > prefixlen && prefixlen != 0 && !strncmp(*s, prefix, prefixlen)) {
*s += prefixlen-1;
*s[0] = '~';
}
}
void TryResponseAppend_P(const char *format, ... )
{
va_list args;
va_start(args, format);
char dummy[2];
int dlen = vsnprintf_P(dummy, 1, format, args);
int mlen = strlen(mqtt_data);
int slen = sizeof(mqtt_data) -1 -mlen;
if (dlen >= slen) {
AddLog_P2(LOG_LEVEL_ERROR, PSTR("HASS: MQTT discovery failed due to too long topic or friendly name. "
"Please shorten topic and friendly name. Failed to format(%u/%u):"), dlen, slen);
va_start(args, format);
vsnprintf_P(log_data, sizeof(log_data), format, args);
AddLog(LOG_LEVEL_ERROR);
} else {
va_start(args, format);
vsnprintf_P(mqtt_data + mlen, slen, format, args);
}
va_end(args);
}
void HAssAnnounceRelayLight(void)
{
char stopic[TOPSZ];
char stemp1[TOPSZ];
char stemp2[TOPSZ];
char stemp3[TOPSZ];
char unique_id[30];
bool is_light = false;
bool is_topic_light = false;
for (uint32_t i = 1; i <= MAX_RELAYS; i++) {
is_light = ((i == devices_present) && (light_type));
is_topic_light = Settings.flag.hass_light || is_light;
mqtt_data[0] = '\0'; // Clear retained message
// Clear "other" topic first in case the device has been reconfigured from light to switch or vice versa
snprintf_P(unique_id, sizeof(unique_id), PSTR("%06X_%s_%d"), ESP.getChipId(), (is_topic_light) ? "RL" : "LI", i);
snprintf_P(stopic, sizeof(stopic), PSTR(HOME_ASSISTANT_DISCOVERY_PREFIX "/%s/%s/config"),
(is_topic_light) ? "switch" : "light", unique_id);
MqttPublish(stopic, true);
// Clear or Set topic
snprintf_P(unique_id, sizeof(unique_id), PSTR("%06X_%s_%d"), ESP.getChipId(), (is_topic_light) ? "LI" : "RL", i);
snprintf_P(stopic, sizeof(stopic), PSTR(HOME_ASSISTANT_DISCOVERY_PREFIX "/%s/%s/config"),
(is_topic_light) ? "light" : "switch", unique_id);
if (Settings.flag.hass_discovery && (i <= devices_present)) {
char name[33+2]; // friendlyname(33) + " " + index
char value_template[33];
char prefix[TOPSZ];
char *command_topic = stemp1;
char *state_topic = stemp2;
char *availability_topic = stemp3;
if (i > MAX_FRIENDLYNAMES) {
snprintf_P(name, sizeof(name), PSTR("%s %d"), Settings.friendlyname[0], i);
} else {
snprintf_P(name, sizeof(name), Settings.friendlyname[i -1]);
}
GetPowerDevice(value_template, i, sizeof(value_template), Settings.flag.device_index_enable);
GetTopic_P(command_topic, CMND, mqtt_topic, value_template);
//GetTopic_P(state_topic, STAT, mqtt_topic, S_RSLT_RESULT);
GetTopic_P(state_topic, TELE, mqtt_topic, D_RSLT_STATE);
GetTopic_P(availability_topic, TELE, mqtt_topic, S_LWT);
FindPrefix(command_topic, state_topic, prefix);
Shorten(&command_topic, prefix);
Shorten(&state_topic, prefix);
Shorten(&availability_topic, prefix);
Response_P(HASS_DISCOVER_RELAY, name, command_topic, state_topic, value_template, Settings.state_text[0], Settings.state_text[1], availability_topic);
TryResponseAppend_P(HASS_DISCOVER_DEVICE_INFO_SHORT, unique_id, ESP.getChipId(), WiFi.macAddress().c_str());
TryResponseAppend_P(HASS_DISCOVER_TOPIC_PREFIX, prefix);
#ifdef USE_LIGHT
if (is_light) {
char *brightness_command_topic = stemp1;
GetTopic_P(brightness_command_topic, CMND, mqtt_topic, D_CMND_DIMMER);
Shorten(&brightness_command_topic, prefix);
strncpy_P(stemp3, Settings.flag.not_power_linked?PSTR("last"):PSTR("brightness"), sizeof(stemp3));
TryResponseAppend_P(HASS_DISCOVER_LIGHT_DIMMER, brightness_command_topic, state_topic, stemp3);
if (Light.subtype >= LST_RGB) {
char *rgb_command_topic = stemp1;
GetTopic_P(rgb_command_topic, CMND, mqtt_topic, D_CMND_COLOR);
Shorten(&rgb_command_topic, prefix);
TryResponseAppend_P(HASS_DISCOVER_LIGHT_COLOR, rgb_command_topic, state_topic);
char *effect_command_topic = stemp1;
GetTopic_P(effect_command_topic, CMND, mqtt_topic, D_CMND_SCHEME);
Shorten(&effect_command_topic, prefix);
TryResponseAppend_P(HASS_DISCOVER_LIGHT_SCHEME, effect_command_topic, state_topic);
}
if (LST_RGBW == Light.subtype) {
char *white_temp_command_topic = stemp1;
GetTopic_P(white_temp_command_topic, CMND, mqtt_topic, D_CMND_WHITE);
Shorten(&white_temp_command_topic, prefix);
TryResponseAppend_P(HASS_DISCOVER_LIGHT_WHITE, white_temp_command_topic, state_topic);
}
if ((LST_COLDWARM == Light.subtype) || (LST_RGBWC == Light.subtype)) {
char *color_temp_command_topic = stemp1;
GetTopic_P(color_temp_command_topic, CMND, mqtt_topic, D_CMND_COLORTEMPERATURE);
Shorten(&color_temp_command_topic, prefix);
TryResponseAppend_P(HASS_DISCOVER_LIGHT_CT, color_temp_command_topic, state_topic);
}
}
#endif // USE_LIGHT
TryResponseAppend_P(PSTR("}"));
}
MqttPublish(stopic, true);
}
}
void HAssAnnounceButtonSwitch(uint8_t device, char* topic, uint8_t present, uint8_t key, uint8_t toggle)
{
// key 0 = button
// key 1 = switch
char stopic[TOPSZ];
char stemp1[TOPSZ];
char stemp2[TOPSZ];
char unique_id[30];
mqtt_data[0] = '\0'; // Clear retained message
// Clear or Set topic
snprintf_P(unique_id, sizeof(unique_id), PSTR("%06X_%s_%d"), ESP.getChipId(), key?"SW":"BTN", device+1);
snprintf_P(stopic, sizeof(stopic), PSTR(HOME_ASSISTANT_DISCOVERY_PREFIX "/binary_sensor/%s/config"), unique_id);
if (Settings.flag.hass_discovery && present) {
char name[33+6]; // friendlyname(33) + " " + "BTN" + " " + index
char value_template[33];
char prefix[TOPSZ];
char *state_topic = stemp1;
char *availability_topic = stemp2;
if (device+1 > MAX_FRIENDLYNAMES) {
snprintf_P(name, sizeof(name), PSTR("%s %s %d"), Settings.friendlyname[0], key?"SW":"BTN", device+1);
} else {
snprintf_P(name, sizeof(name), PSTR("%s %s"), Settings.friendlyname[device], key?"SW":"BTN");
}
GetPowerDevice(value_template, device+1, sizeof(value_template),
key + Settings.flag.device_index_enable); // Force index for Switch 1, Index on Button1 is controlled by Settings.flag.device_index_enable
GetTopic_P(state_topic, CMND, topic, value_template); // State of button is sent as CMND TOGGLE, state of switch is sent as ON/OFF
GetTopic_P(availability_topic, TELE, mqtt_topic, S_LWT);
FindPrefix(state_topic, availability_topic, prefix);
Shorten(&state_topic, prefix);
Shorten(&availability_topic, prefix);
Response_P(HASS_DISCOVER_BUTTON_SWITCH, name, state_topic, Settings.state_text[toggle?2:1], availability_topic);
TryResponseAppend_P(HASS_DISCOVER_DEVICE_INFO_SHORT, unique_id, ESP.getChipId(), WiFi.macAddress().c_str());
if (strlen(prefix) > 0 ) TryResponseAppend_P(HASS_DISCOVER_TOPIC_PREFIX, prefix);
if (toggle) TryResponseAppend_P(HASS_DISCOVER_BUTTON_SWITCH_TOGGLE);
else TryResponseAppend_P(HASS_DISCOVER_BUTTON_SWITCH_ONOFF, Settings.state_text[0]);
TryResponseAppend_P(PSTR("}"));
}
MqttPublish(stopic, true);
}
void HAssAnnounceSwitches(void)
{
char sw_topic[sizeof(Settings.switch_topic)];
// Send info about buttons
char *tmp = Settings.switch_topic;
Format(sw_topic, tmp, sizeof(sw_topic));
if ((strlen(sw_topic) != 0) && strcmp(sw_topic, "0")) {
for (uint32_t switch_index = 0; switch_index < MAX_SWITCHES; switch_index++) {
uint8_t switch_present = 0;
uint8_t toggle = 1;
if (pin[GPIO_SWT1 + switch_index] < 99) {
switch_present = 1;
}
// Check if MQTT message will be ON/OFF or TOGGLE
if (Settings.switchmode[switch_index] == FOLLOW || Settings.switchmode[switch_index] == FOLLOW_INV ||
Settings.flag3.button_switch_force_local ||
!strcmp(mqtt_topic, sw_topic) || !strcmp(Settings.mqtt_grptopic, sw_topic))
{
toggle = 0; // MQTT message will be ON/OFF
}
HAssAnnounceButtonSwitch(switch_index, sw_topic, switch_present, 1, toggle);
}
}
}
void HAssAnnounceButtons(void)
{
char key_topic[sizeof(Settings.button_topic)];
// Send info about buttons
char *tmp = Settings.button_topic;
Format(key_topic, tmp, sizeof(key_topic));
if ((strlen(key_topic) != 0) && strcmp(key_topic, "0")) {
for (uint32_t button_index = 0; button_index < MAX_KEYS; button_index++) {
uint8_t button_present = 0;
uint8_t toggle = 1;
if (!button_index && ((SONOFF_DUAL == my_module_type) || (CH4 == my_module_type))) {
button_present = 1;
} else {
if (pin[GPIO_KEY1 + button_index] < 99) {
button_present = 1;
}
}
// Check if MQTT message will be ON/OFF or TOGGLE
if (Settings.flag3.button_switch_force_local ||
!strcmp(mqtt_topic, key_topic) || !strcmp(Settings.mqtt_grptopic, key_topic))
{
toggle = 0; // MQTT message will be ON/OFF
}
HAssAnnounceButtonSwitch(button_index, key_topic, button_present, 0, toggle);
}
}
}
void HAssAnnounceSensor(const char* sensorname, const char* subsensortype)
{
char stopic[TOPSZ];
char stemp1[TOPSZ];
char stemp2[TOPSZ];
char unique_id[30];
// Announce sensor, special handling of temperature and humidity sensors
mqtt_data[0] = '\0'; // Clear retained message
// Clear or Set topic
snprintf_P(unique_id, sizeof(unique_id), PSTR("%06X_%s_%s"), ESP.getChipId(), sensorname, subsensortype);
snprintf_P(stopic, sizeof(stopic), PSTR(HOME_ASSISTANT_DISCOVERY_PREFIX "/sensor/%s/config"), unique_id);
if (Settings.flag.hass_discovery) {
char name[33+42]; // friendlyname(33) + " " + sensorname(20?) + " " + sensortype(20?)
char prefix[TOPSZ];
char *state_topic = stemp1;
char *availability_topic = stemp2;
snprintf_P(name, sizeof(name), PSTR("%s %s %s"), Settings.friendlyname[0], sensorname, subsensortype);
GetTopic_P(state_topic, TELE, mqtt_topic, PSTR(D_RSLT_SENSOR));
GetTopic_P(availability_topic, TELE, mqtt_topic, S_LWT);
FindPrefix(state_topic, availability_topic, prefix);
Shorten(&state_topic, prefix);
Shorten(&availability_topic, prefix);
Response_P(HASS_DISCOVER_SENSOR, name, state_topic, availability_topic);
TryResponseAppend_P(HASS_DISCOVER_DEVICE_INFO_SHORT, unique_id, ESP.getChipId(), WiFi.macAddress().c_str());
TryResponseAppend_P(HASS_DISCOVER_TOPIC_PREFIX, prefix);
if (!strcmp_P(subsensortype, PSTR(D_JSON_TEMPERATURE))) {
TryResponseAppend_P(HASS_DISCOVER_SENSOR_TEMP, TempUnit(), sensorname);
} else if (!strcmp_P(subsensortype, PSTR(D_JSON_HUMIDITY))) {
TryResponseAppend_P(HASS_DISCOVER_SENSOR_HUM, sensorname);
} else if (!strcmp_P(subsensortype, PSTR(D_JSON_PRESSURE))) {
TryResponseAppend_P(HASS_DISCOVER_SENSOR_PRESS, PressureUnit().c_str(), sensorname);
} else if (!strcmp_P(subsensortype, PSTR(D_JSON_TOTAL))
|| !strcmp_P(subsensortype, PSTR(D_JSON_TODAY))
|| !strcmp_P(subsensortype, PSTR(D_JSON_YESTERDAY))){
TryResponseAppend_P(HASS_DISCOVER_SENSOR_KWH, sensorname, subsensortype);
} else if (!strcmp_P(subsensortype, PSTR(D_JSON_POWERUSAGE))){
TryResponseAppend_P(HASS_DISCOVER_SENSOR_WATT, sensorname, subsensortype);
} else if (!strcmp_P(subsensortype, PSTR(D_JSON_VOLTAGE))){
TryResponseAppend_P(HASS_DISCOVER_SENSOR_VOLTAGE, sensorname, subsensortype);
} else if (!strcmp_P(subsensortype, PSTR(D_JSON_CURRENT))){
TryResponseAppend_P(HASS_DISCOVER_SENSOR_AMPERE, sensorname, subsensortype);
}
else {
TryResponseAppend_P(HASS_DISCOVER_SENSOR_ANY, sensorname, subsensortype);
}
TryResponseAppend_P(PSTR("}"));
}
MqttPublish(stopic, true);
}
void HAssAnnounceSensors(void)
{
uint8_t hass_xsns_index = 0;
do {
mqtt_data[0] = '\0';
int tele_period_save = tele_period;
tele_period = 2; // Do not allow HA updates during next function call
XsnsNextCall(FUNC_JSON_APPEND, hass_xsns_index); // ,"INA219":{"Voltage":4.494,"Current":0.020,"Power":0.089}
tele_period = tele_period_save;
char sensordata[256]; // Copy because we need to write to mqtt_data
strlcpy(sensordata, mqtt_data, sizeof(sensordata));
if (strlen(sensordata)) {
sensordata[0] = '{'; // {"INA219":{"Voltage":4.494,"Current":0.020,"Power":0.089}
snprintf_P(sensordata, sizeof(sensordata), PSTR("%s}"), sensordata); // {"INA219":{"Voltage":4.494,"Current":0.020,"Power":0.089}}
// JsonBuffer size calculation (https://arduinojson.org/v5/assistant/)
// 383 = {"MCP230XX":{"D0":0,"D1":0,"D2":0,"D3":0,"D4":0,"D5":0,"D6":0,"D7":0,"D8":0,"D9":0,"D10":0,"D11":0,"D12":0,"D13":0,"D14":0,"D15":0}}
// 381 = {"MPR121A":{"Button0":0,"Button1":0,"Button2":0,"Button3":0,"Button4":0,"Button5":0,"Button6":0,"Button7":0,"Button8":0,"Button9":0,"Button10":0,"Button11":0,"Button12":0}}
// 420 = {"ENERGY":{"TotalStartTime":"2018-10-30T17:09:47","Total":2.684,"Yesterday":0.020,"Today":0.006,"Period":0.04,"Power":0.49,"ApparentPower":4.71,"ReactivePower":4.70,"Factor":0.10,"Frequency":50.04,"Voltage":226.3,"Current":0.021}}
StaticJsonBuffer<500> jsonBuffer;
JsonObject& root = jsonBuffer.parseObject(sensordata);
if (!root.success()) {
AddLog_P2(LOG_LEVEL_ERROR, PSTR("HASS: failed to parse '%s'"), sensordata);
continue;
}
for (auto sensor : root) {
const char* sensorname = sensor.key;
JsonObject& sensors = sensor.value.as<JsonObject>();
if (!sensors.success()) {
AddLog_P2(LOG_LEVEL_ERROR, PSTR("HASS: failed to parse '%s'"), sensordata);
continue;
}
for (auto subsensor : sensors) {
HAssAnnounceSensor(sensorname, subsensor.key);
}
}
}
yield();
} while (hass_xsns_index != 0);
}
void HAssAnnounceStatusSensor(void)
{
char stopic[TOPSZ];
char stemp1[TOPSZ];
char stemp2[TOPSZ];
char unique_id[30];
// Announce sensor
mqtt_data[0] = '\0'; // Clear retained message
// Clear or Set topic
snprintf_P(unique_id, sizeof(unique_id), PSTR("%06X_status"), ESP.getChipId());
snprintf_P(stopic, sizeof(stopic), PSTR(HOME_ASSISTANT_DISCOVERY_PREFIX "/sensor/%s/config"), unique_id);
if (Settings.flag.hass_discovery) {
char name[33+7]; // friendlyname(33) + " " + "status"
char prefix[TOPSZ];
char *state_topic = stemp1;
char *availability_topic = stemp2;
snprintf_P(name, sizeof(name), PSTR("%s status"), Settings.friendlyname[0]);
GetTopic_P(state_topic, TELE, mqtt_topic, PSTR(D_RSLT_HASS_STATE));
GetTopic_P(availability_topic, TELE, mqtt_topic, S_LWT);
FindPrefix(state_topic, availability_topic, prefix);
Shorten(&state_topic, prefix);
Shorten(&availability_topic, prefix);
Response_P(HASS_DISCOVER_SENSOR, name, state_topic, availability_topic);
TryResponseAppend_P(HASS_DISCOVER_SENSOR_HASS_STATUS, state_topic);
TryResponseAppend_P(HASS_DISCOVER_DEVICE_INFO, unique_id, ESP.getChipId(), WiFi.macAddress().c_str(),
Settings.friendlyname[0], ModuleName().c_str(), my_version, my_image);
TryResponseAppend_P(HASS_DISCOVER_TOPIC_PREFIX, prefix);
TryResponseAppend_P(PSTR("}"));
}
MqttPublish(stopic, true);
}
void HAssPublishStatus(void)
{
Response_P(PSTR("{\"" D_JSON_VERSION "\":\"%s%s\",\"" D_JSON_BUILDDATETIME "\":\"%s\","
"\"" D_JSON_COREVERSION "\":\"" ARDUINO_ESP8266_RELEASE "\",\"" D_JSON_SDKVERSION "\":\"%s\","
"\"" D_CMND_MODULE "\":\"%s\",\"" D_JSON_RESTARTREASON "\":\"%s\",\"" D_JSON_UPTIME "\":\"%s\","
"\"WiFi " D_JSON_LINK_COUNT "\":%d,\"WiFi " D_JSON_DOWNTIME "\":\"%s\",\"" D_JSON_MQTT_COUNT "\":%d,"
"\"" D_JSON_BOOTCOUNT "\":%d,\"" D_JSON_SAVECOUNT "\":%d,\"" D_CMND_IPADDRESS "\":\"%s\","
"\"" D_JSON_RSSI "\":\"%d\",\"LoadAvg\":%lu}"),
my_version, my_image, GetBuildDateAndTime().c_str(), ESP.getSdkVersion(), ModuleName().c_str(),
GetResetReason().c_str(), GetUptime().c_str(), WifiLinkCount(), WifiDowntime().c_str(), MqttConnectCount(),
Settings.bootcount, Settings.save_flag, WiFi.localIP().toString().c_str(),
WifiGetRssiAsQuality(WiFi.RSSI()), loop_load_avg);
MqttPublishPrefixTopic_P(TELE, PSTR(D_RSLT_HASS_STATE));
}
void HAssDiscovery(void)
{
// Configure Tasmota for default Home Assistant parameters to keep discovery message as short as possible
if (Settings.flag.hass_discovery) {
Settings.flag.mqtt_response = 0; // Response always as RESULT and not as uppercase command
Settings.flag.decimal_text = 1; // Respond with decimal color values
Settings.flag3.hass_tele_on_power = 1; // send tele/STATE message as stat/RESULT
// Settings.light_scheme = 0; // To just control color it needs to be Scheme 0
if (strcmp_P(Settings.mqtt_fulltopic, PSTR("%topic%/%prefix%/"))) {
strncpy_P(Settings.mqtt_fulltopic, PSTR("%topic%/%prefix%/"), sizeof(Settings.mqtt_fulltopic));
restart_flag = 2;
return; // As full topic has changed do restart first before sending discovery data
}
}
if (Settings.flag.hass_discovery || (1 == hass_mode)) {
// Send info about relays and lights
HAssAnnounceRelayLight();
// Send info about buttons
HAssAnnounceButtons();
// Send info about switches
HAssAnnounceSwitches();
// Send info about sensors
HAssAnnounceSensors();
// Send info about status sensor
HAssAnnounceStatusSensor();
}
}
void HAssDiscover(void)
{
hass_mode = 1; // Force discovery
hass_init_step = 1; // Delayed discovery
}
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xdrv12(uint8_t function)
{
bool result = false;
if (Settings.flag.mqtt_enabled) {
switch (function) {
case FUNC_MQTT_INIT:
hass_mode = 0; // Discovery only if Settings.flag.hass_discovery is set
hass_init_step = 2; // Delayed discovery
break;
case FUNC_EVERY_SECOND:
if (hass_init_step) {
hass_init_step--;
if (!hass_init_step) {
HAssDiscovery(); // Scheduled discovery using available resources
}
} else if (Settings.flag.hass_discovery && Settings.tele_period) {
hass_tele_period++;
if (hass_tele_period >= Settings.tele_period) {
hass_tele_period = 0;
mqtt_data[0] = '\0';
HAssPublishStatus();
}
}
break;
}
}
return result;
}
#endif // USE_HOME_ASSISTANT
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