add ETA SH component

Author: Samuel Sieb

components/eta_sh/README.md

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+# component to read and control an ETA SH system
+
+A configured uart is required.
+
+Example:
+```yaml
+eta_sh:
+  boiler_temperature:
+    name: Kesseltemperatur  (Boiler temp)
+  fan_speed:
+    name: Gebläsedrehzahl   (Speed of boiler Fan)
+    unit_of_measurement: RPM
+  return_temperature:
+    name: Kesselruecklauf   (Boiler water return temp)
+  buffer_bottom_temperature:
+    name: Puffer unten      (Water buffer bottom temp)
+  buffer_middle_temperature:
+    name: Puffer mitte      (Water buffer middle temp)
+  buffer_top_temperature:
+    name: Puffer oben       (Water buffer top temp)
+  exhaust_temperature:
+    name: Abgastemperatur   (Exhaust temp)
+  room1_temperature:
+    name: Raumtemperatur    (Room1 temp)
+  room1_output_temperature:
+    name: Vorlauf Raum 1    (Water to room1 temp)
+  outside_temperature:
+    name: Aussentemperatur  (Outside temp)
+  buffer_load:
+    name: Pufferladezustand (Buffer load in %)
+  external_heater_temperature:
+    name: Externer Brenner  (External Oven (expansion, e.g. Oil or Gas)
+  oxygen_sensor:
+    name: Restsauerstoff   	(o2 Sensor Percent / Lambda Sond. Returns 0 when oven off)
+  heater_status:
+    name: "Status"                      Status of the heater,
+                                        0: "Tür offen"			(Door open)
+                                        1: "heizt an"			(starting Fire)
+                                        2: "in Betrieb"			(working)
+                                        3: "Übertemperatur"		(over temperature Limit)
+                                        4: "Glutabbrand"		(embers burning)
+                                        5: "Feuer aus"			(no Fire)
+                                        6: "Ausgeschaltet"		(heater off)
+                                        7: "Störung"			(fault)
+```
+
+All sensors are optional.
+

components/eta_sh/__init__.py

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+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome import automation
+from esphome.components import uart, sensor
+from esphome.const import (
+    CONF_ID,
+    CONF_TEMPERATURE,
+    DEVICE_CLASS_TEMPERATURE,
+    DEVICE_CLASS_VOLUME,
+    ICON_FAN,
+    ICON_GAUGE,
+    ICON_ROTATE_RIGHT,
+    ICON_THERMOMETER,
+    UNIT_CELSIUS,
+    UNIT_PERCENT,
+)
+
+MULTI_CONF = True
+DEPENDENCIES = ['uart']
+AUTO_LOAD = ['sensor']
+
+eta_sh_ns = cg.esphome_ns.namespace('eta_sh')
+
+ETA_SH = eta_sh_ns.class_('ETA_SH', cg.Component, uart.UARTDevice)
+
+CONF_BOILER_TEMPERATURE = "boiler_temperature"
+CONF_BUFFER_BOTTOM_TEMPERATURE = "buffer_bottom_temperature"
+CONF_BUFFER_MIDDLE_TEMPERATURE = "buffer_middle_temperature"
+CONF_BUFFER_TOP_TEMPERATURE = "buffer_top_temperature"
+CONF_BUFFER_LOAD = "buffer_load"
+CONF_EXHAUST_TEMPERATURE = "exhaust_temperature"
+CONF_EXTERNAL_HEATER_TEMPERATURE = "external_heater_temperature"
+CONF_FAN_SPEED = "fan_speed"
+CONF_HEATER_STATUS = "heater_status"
+CONF_OUTSIDE_TEMPERATURE = "outside_temperature"
+CONF_OXYGEN_SENSOR = "oxygen_sensor"
+CONF_RETURN_TEMPERATURE = "return_temperature"
+CONF_ROOM1_TEMPERATURE = "room1_temperature"
+CONF_ROOM1_OUTPUT_TEMPERATURE = "room1_output_temperature"
+
+
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(): cv.declare_id(ETA_SH),
+        cv.Optional(CONF_BOILER_TEMPERATURE): sensor.sensor_schema(
+            unit_of_measurement=UNIT_CELSIUS,
+            icon=ICON_THERMOMETER,
+            accuracy_decimals=1,
+            device_class=DEVICE_CLASS_TEMPERATURE,
+        ),
+        cv.Optional(CONF_BUFFER_BOTTOM_TEMPERATURE): sensor.sensor_schema(
+            unit_of_measurement=UNIT_CELSIUS,
+            icon=ICON_THERMOMETER,
+            accuracy_decimals=1,
+            device_class=DEVICE_CLASS_TEMPERATURE,
+        ),
+        cv.Optional(CONF_BUFFER_MIDDLE_TEMPERATURE): sensor.sensor_schema(
+            unit_of_measurement=UNIT_CELSIUS,
+            icon=ICON_THERMOMETER,
+            accuracy_decimals=1,
+            device_class=DEVICE_CLASS_TEMPERATURE,
+        ),
+        cv.Optional(CONF_BUFFER_TOP_TEMPERATURE): sensor.sensor_schema(
+            unit_of_measurement=UNIT_CELSIUS,
+            icon=ICON_THERMOMETER,
+            accuracy_decimals=1,
+            device_class=DEVICE_CLASS_TEMPERATURE,
+        ),
+        cv.Optional(CONF_BUFFER_LOAD): sensor.sensor_schema(
+            unit_of_measurement=UNIT_PERCENT,
+            icon=ICON_GAUGE,
+            accuracy_decimals=0,
+            device_class=DEVICE_CLASS_VOLUME,
+        ),
+        cv.Optional(CONF_EXHAUST_TEMPERATURE): sensor.sensor_schema(
+            unit_of_measurement=UNIT_CELSIUS,
+            icon=ICON_THERMOMETER,
+            accuracy_decimals=1,
+            device_class=DEVICE_CLASS_TEMPERATURE,
+        ),
+        cv.Optional(CONF_EXTERNAL_HEATER_TEMPERATURE): sensor.sensor_schema(
+            unit_of_measurement=UNIT_CELSIUS,
+            icon=ICON_THERMOMETER,
+            accuracy_decimals=1,
+            device_class=DEVICE_CLASS_TEMPERATURE,
+        ),
+        cv.Optional(CONF_FAN_SPEED): sensor.sensor_schema(
+            icon=ICON_FAN,
+            accuracy_decimals=0,
+        ),
+        cv.Optional(CONF_HEATER_STATUS) : sensor.sensor_schema(
+            accuracy_decimals=0,
+            device_class=DEVICE_CLASS_VOLUME,
+        ),
+        cv.Optional(CONF_OUTSIDE_TEMPERATURE): sensor.sensor_schema(
+            unit_of_measurement=UNIT_CELSIUS,
+            icon=ICON_THERMOMETER,
+            accuracy_decimals=1,
+            device_class=DEVICE_CLASS_TEMPERATURE,
+        ),
+        cv.Optional(CONF_OXYGEN_SENSOR): sensor.sensor_schema(
+            unit_of_measurement=UNIT_PERCENT,
+            icon=ICON_GAUGE,
+            accuracy_decimals=1,
+            device_class=DEVICE_CLASS_VOLUME,
+        ),
+        cv.Optional(CONF_RETURN_TEMPERATURE): sensor.sensor_schema(
+            unit_of_measurement=UNIT_CELSIUS,
+            icon=ICON_THERMOMETER,
+            accuracy_decimals=1,
+            device_class=DEVICE_CLASS_TEMPERATURE,
+        ),
+        cv.Optional(CONF_ROOM1_TEMPERATURE): sensor.sensor_schema(
+            unit_of_measurement=UNIT_CELSIUS,
+            icon=ICON_THERMOMETER,
+            accuracy_decimals=1,
+            device_class=DEVICE_CLASS_TEMPERATURE,
+        ),
+        cv.Optional(CONF_ROOM1_OUTPUT_TEMPERATURE): sensor.sensor_schema(
+            unit_of_measurement=UNIT_CELSIUS,
+            icon=ICON_THERMOMETER,
+            accuracy_decimals=1,
+            device_class=DEVICE_CLASS_TEMPERATURE,
+        ),
+    }
+).extend(uart.UART_DEVICE_SCHEMA)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await cg.register_component(var, config)
+    await uart.register_uart_device(var, config)
+
+    if CONF_BOILER_TEMPERATURE in config:
+        sens = await sensor.new_sensor(config[CONF_BOILER_TEMPERATURE])
+        cg.add(var.set_boiler_temp_sensor(sens))
+
+    if CONF_BUFFER_BOTTOM_TEMPERATURE in config:
+        sens = await sensor.new_sensor(config[CONF_BUFFER_BOTTOM_TEMPERATURE])
+        cg.add(var.set_buffer_bottom_temp_sensor(sens))
+
+    if CONF_BUFFER_MIDDLE_TEMPERATURE in config:
+        sens = await sensor.new_sensor(config[CONF_BUFFER_MIDDLE_TEMPERATURE])
+        cg.add(var.set_buffer_middle_temp_sensor(sens))
+
+    if CONF_BUFFER_TOP_TEMPERATURE in config:
+        sens = await sensor.new_sensor(config[CONF_BUFFER_TOP_TEMPERATURE])
+        cg.add(var.set_buffer_top_temp_sensor(sens))
+
+    if CONF_BUFFER_LOAD in config:
+        sens = await sensor.new_sensor(config[CONF_BUFFER_LOAD])
+        cg.add(var.set_buffer_load_sensor(sens))
+
+    if CONF_EXHAUST_TEMPERATURE in config:
+        sens = await sensor.new_sensor(config[CONF_EXHAUST_TEMPERATURE])
+        cg.add(var.set_exhaust_temp_sensor(sens))
+
+    if CONF_EXTERNAL_HEATER_TEMPERATURE in config:
+        sens = await sensor.new_sensor(config[CONF_EXTERNAL_HEATER_TEMPERATURE])
+        cg.add(var.set_external_heater_temp_sensor(sens))
+
+    if CONF_FAN_SPEED in config:
+        sens = await sensor.new_sensor(config[CONF_FAN_SPEED])
+        cg.add(var.set_fan_speed_sensor(sens))
+
+    if CONF_HEATER_STATUS in config:
+        sens = await sensor.new_sensor(config[CONF_HEATER_STATUS])
+        cg.add(var.set_heater_status_sensor(sens))
+
+    if CONF_OUTSIDE_TEMPERATURE in config:
+        sens = await sensor.new_sensor(config[CONF_OUTSIDE_TEMPERATURE])
+        cg.add(var.set_outside_temp_sensor(sens))
+
+    if CONF_OXYGEN_SENSOR in config:
+        sens = await sensor.new_sensor(config[CONF_OXYGEN_SENSOR])
+        cg.add(var.set_oxygen_sensor(sens))
+
+    if CONF_RETURN_TEMPERATURE in config:
+        sens = await sensor.new_sensor(config[CONF_RETURN_TEMPERATURE])
+        cg.add(var.set_return_temp_sensor(sens))
+
+    if CONF_ROOM1_TEMPERATURE in config:
+        sens = await sensor.new_sensor(config[CONF_ROOM1_TEMPERATURE])
+        cg.add(var.set_room1_temp_sensor(sens))
+
+    if CONF_ROOM1_OUTPUT_TEMPERATURE in config:
+        sens = await sensor.new_sensor(config[CONF_ROOM1_OUTPUT_TEMPERATURE])
+        cg.add(var.set_room1_output_temp_sensor(sens))
+