Add support for IBS-TH1 External Sensor (#1983)

esphome/components/inkbird_ibsth1_mini/inkbird_ibsth1_mini.cpp

@@ -11,6 +11,7 @@ static const char *const TAG = "inkbird_ibsth1_mini";
 void InkbirdIBSTH1_MINI::dump_config() {
   ESP_LOGCONFIG(TAG, "Inkbird IBS TH1 MINI");
   LOG_SENSOR("  ", "Temperature", this->temperature_);
+  LOG_SENSOR("  ", "External Temperature", this->external_temperature_);
   LOG_SENSOR("  ", "Humidity", this->humidity_);
   LOG_SENSOR("  ", "Battery Level", this->battery_level_);
 }
@@ -54,7 +55,7 @@ bool InkbirdIBSTH1_MINI::parse_device(const esp32_ble_tracker::ESPBTDevice &devi
     ESP_LOGVV(TAG, "parse_device(): manufacturer data element length is expected to be of length 7");
     return false;
   }
-  if ((mnfData.data[2] != 0) || (mnfData.data[6] != 8)) {
+  if (mnfData.data[6] != 8) {
     ESP_LOGVV(TAG, "parse_device(): unexpected data");
     return false;
   }
@@ -63,13 +64,36 @@ bool InkbirdIBSTH1_MINI::parse_device(const esp32_ble_tracker::ESPBTDevice &devi
   // data[5] is a battery level
   // data[0] and data[1] is humidity * 100 (in pct)
   // uuid is a temperature * 100 (in Celcius)
+  // when data[2] == 0 temperature is from internal sensor (IBS-TH1 or IBS-TH1 Mini)
+  // when data[2] == 1 temperature is from external sensor (IBS-TH1 only)
+
+  // Create empty variables to pass automatic checks
+  auto temperature = NAN;
+  auto external_temperature = NAN;
+
+  // Read bluetooth data into variable
+  auto measured_temperature = mnfData.uuid.get_uuid().uuid.uuid16 / 100.0f;
+
+  // Set temperature or external_temperature based on which sensor is in use
+  if (mnfData.data[2] == 0) {
+    temperature = measured_temperature;
+  } else if (mnfData.data[2] == 1) {
+    external_temperature = measured_temperature;
+  } else {
+    ESP_LOGVV(TAG, "parse_device(): unknown sensor type");
+    return false;
+  }
+
   auto battery_level = mnfData.data[5];
-  auto temperature = mnfData.uuid.get_uuid().uuid.uuid16 / 100.0f;
   auto humidity = ((mnfData.data[1] << 8) + mnfData.data[0]) / 100.0f;
 
-  if (this->temperature_ != nullptr) {
+  // Send temperature only if the value is set
+  if (!isnan(temperature) && this->temperature_ != nullptr) {
     this->temperature_->publish_state(temperature);
   }
+  if (!isnan(external_temperature) && this->external_temperature_ != nullptr) {
+    this->external_temperature_->publish_state(external_temperature);
+  }
   if (this->humidity_ != nullptr) {
     this->humidity_->publish_state(humidity);
   }

esphome/components/inkbird_ibsth1_mini/inkbird_ibsth1_mini.h

@@ -18,12 +18,14 @@ class InkbirdIBSTH1_MINI : public Component, public esp32_ble_tracker::ESPBTDevi
   void dump_config() override;
   float get_setup_priority() const override { return setup_priority::DATA; }
   void set_temperature(sensor::Sensor *temperature) { temperature_ = temperature; }
+  void set_external_temperature(sensor::Sensor *external_temperature) { external_temperature_ = external_temperature; }
   void set_humidity(sensor::Sensor *humidity) { humidity_ = humidity; }
   void set_battery_level(sensor::Sensor *battery_level) { battery_level_ = battery_level; }
 
  protected:
   uint64_t address_;
   sensor::Sensor *temperature_{nullptr};
+  sensor::Sensor *external_temperature_{nullptr};
   sensor::Sensor *humidity_{nullptr};
   sensor::Sensor *battery_level_{nullptr};
 };

esphome/components/inkbird_ibsth1_mini/sensor.py

@@ -19,6 +19,8 @@ from esphome.const import (
 CODEOWNERS = ["@fkirill"]
 DEPENDENCIES = ["esp32_ble_tracker"]
 
+CONF_EXTERNAL_TEMPERATURE = "external_temperature"
+
 inkbird_ibsth1_mini_ns = cg.esphome_ns.namespace("inkbird_ibsth1_mini")
 InkbirdUBSTH1_MINI = inkbird_ibsth1_mini_ns.class_(
     "InkbirdIBSTH1_MINI", esp32_ble_tracker.ESPBTDeviceListener, cg.Component
@@ -36,6 +38,13 @@ CONFIG_SCHEMA = (
                 DEVICE_CLASS_TEMPERATURE,
                 STATE_CLASS_MEASUREMENT,
             ),
+            cv.Optional(CONF_EXTERNAL_TEMPERATURE): sensor.sensor_schema(
+                UNIT_CELSIUS,
+                ICON_EMPTY,
+                1,
+                DEVICE_CLASS_TEMPERATURE,
+                STATE_CLASS_MEASUREMENT,
+            ),
             cv.Optional(CONF_HUMIDITY): sensor.sensor_schema(
                 UNIT_PERCENT,
                 ICON_EMPTY,
@@ -67,6 +76,9 @@ async def to_code(config):
     if CONF_TEMPERATURE in config:
         sens = await sensor.new_sensor(config[CONF_TEMPERATURE])
         cg.add(var.set_temperature(sens))
+    if CONF_EXTERNAL_TEMPERATURE in config:
+        sens = await sensor.new_sensor(config[CONF_EXTERNAL_TEMPERATURE])
+        cg.add(var.set_external_temperature(sens))
     if CONF_HUMIDITY in config:
         sens = await sensor.new_sensor(config[CONF_HUMIDITY])
         cg.add(var.set_humidity(sens))