Add support for SMT100 Soil Moisture Sensor (#3654)

Co-authored-by: Dennis Piecha <d.piecha@ymail.com>
2026-06-02 19:08:54 +02:00 · 2022-07-28 01:22:49 +02:00
parent c95acd2568
commit 2a49811f6e
7 changed files with 242 additions and 0 deletions
@@ -0,0 +1,94 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import sensor, uart
+
+from esphome.const import (
+    CONF_ID,
+    CONF_COUNTS,
+    CONF_DIELECTRIC_CONSTANT,
+    CONF_TEMPERATURE,
+    CONF_MOISTURE,
+    CONF_VOLTAGE,
+    ICON_WATER_PERCENT,
+    DEVICE_CLASS_TEMPERATURE,
+    DEVICE_CLASS_VOLTAGE,
+    STATE_CLASS_MEASUREMENT,
+    UNIT_EMPTY,
+    UNIT_CELSIUS,
+    UNIT_PERCENT,
+    UNIT_VOLT,
+)
+
+DEPENDENCIES = ["uart"]
+
+smt100_ns = cg.esphome_ns.namespace("smt100")
+SMT100 = smt100_ns.class_("SMT100Component", cg.PollingComponent, uart.UARTDevice)
+
+
+CONFIG_SCHEMA = (
+    cv.Schema(
+        {
+            cv.GenerateID(): cv.declare_id(SMT100),
+            cv.Optional(CONF_COUNTS): sensor.sensor_schema(
+                unit_of_measurement=UNIT_EMPTY,
+                accuracy_decimals=0,
+                state_class=STATE_CLASS_MEASUREMENT,
+            ),
+            cv.Optional(CONF_DIELECTRIC_CONSTANT): sensor.sensor_schema(
+                unit_of_measurement=UNIT_EMPTY,
+                accuracy_decimals=2,
+                state_class=STATE_CLASS_MEASUREMENT,
+            ),
+            cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
+                unit_of_measurement=UNIT_CELSIUS,
+                accuracy_decimals=2,
+                device_class=DEVICE_CLASS_TEMPERATURE,
+                state_class=STATE_CLASS_MEASUREMENT,
+            ),
+            cv.Optional(CONF_MOISTURE): sensor.sensor_schema(
+                unit_of_measurement=UNIT_PERCENT,
+                icon=ICON_WATER_PERCENT,
+                accuracy_decimals=2,
+                state_class=STATE_CLASS_MEASUREMENT,
+            ),
+            cv.Optional(CONF_VOLTAGE): sensor.sensor_schema(
+                unit_of_measurement=UNIT_VOLT,
+                accuracy_decimals=2,
+                device_class=DEVICE_CLASS_VOLTAGE,
+                state_class=STATE_CLASS_MEASUREMENT,
+            ),
+        }
+    )
+    .extend(cv.polling_component_schema("60s"))
+    .extend(uart.UART_DEVICE_SCHEMA)
+)
+
+FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
+    "smt100", baud_rate=9600, require_rx=True, require_tx=True
+)
+
+
+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_COUNTS in config:
+        sens = await sensor.new_sensor(config[CONF_COUNTS])
+        cg.add(var.set_counts_sensor(sens))
+
+    if CONF_DIELECTRIC_CONSTANT in config:
+        sens = await sensor.new_sensor(config[CONF_DIELECTRIC_CONSTANT])
+        cg.add(var.set_dielectric_constant_sensor(sens))
+
+    if CONF_TEMPERATURE in config:
+        sens = await sensor.new_sensor(config[CONF_TEMPERATURE])
+        cg.add(var.set_temperature_sensor(sens))
+
+    if CONF_MOISTURE in config:
+        sens = await sensor.new_sensor(config[CONF_MOISTURE])
+        cg.add(var.set_moisture_sensor(sens))
+
+    if CONF_VOLTAGE in config:
+        sens = await sensor.new_sensor(config[CONF_VOLTAGE])
+        cg.add(var.set_voltage_sensor(sens))