Tuya: add cover component (#2279)

esphome/components/tuya/cover/__init__.py

@@ -0,0 +1,54 @@
+from esphome.components import cover
+import esphome.config_validation as cv
+import esphome.codegen as cg
+from esphome.const import (
+    CONF_OUTPUT_ID,
+    CONF_MIN_VALUE,
+    CONF_MAX_VALUE,
+)
+from .. import tuya_ns, CONF_TUYA_ID, Tuya
+
+DEPENDENCIES = ["tuya"]
+
+CONF_POSITION_DATAPOINT = "position_datapoint"
+CONF_INVERT_POSITION = "invert_position"
+
+TuyaCover = tuya_ns.class_("TuyaCover", cover.Cover, cg.Component)
+
+
+def validate_range(config):
+    if config[CONF_MIN_VALUE] > config[CONF_MAX_VALUE]:
+        raise cv.Invalid(
+            "min_value({}) cannot be greater than max_value({})".format(
+                config[CONF_MIN_VALUE], config[CONF_MAX_VALUE]
+            )
+        )
+    return config
+
+
+CONFIG_SCHEMA = cv.All(
+    cover.COVER_SCHEMA.extend(
+        {
+            cv.GenerateID(CONF_OUTPUT_ID): cv.declare_id(TuyaCover),
+            cv.GenerateID(CONF_TUYA_ID): cv.use_id(Tuya),
+            cv.Required(CONF_POSITION_DATAPOINT): cv.uint8_t,
+            cv.Optional(CONF_MIN_VALUE, default=0): cv.int_,
+            cv.Optional(CONF_MAX_VALUE, default=100): cv.int_,
+            cv.Optional(CONF_INVERT_POSITION, default=False): cv.boolean,
+        },
+    ).extend(cv.COMPONENT_SCHEMA),
+    validate_range,
+)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_OUTPUT_ID])
+    await cg.register_component(var, config)
+    await cover.register_cover(var, config)
+
+    cg.add(var.set_position_id(config[CONF_POSITION_DATAPOINT]))
+    cg.add(var.set_min_value(config[CONF_MIN_VALUE]))
+    cg.add(var.set_max_value(config[CONF_MAX_VALUE]))
+    cg.add(var.set_invert_position(config[CONF_INVERT_POSITION]))
+    paren = await cg.get_variable(config[CONF_TUYA_ID])
+    cg.add(var.set_tuya_parent(paren))