New coroutine-based task execution

esphomeyaml/components/output/__init__.py

@@ -1,6 +1,7 @@
 import voluptuous as vol
 
 import esphomeyaml.config_validation as cv
+from esphomeyaml.components.power_supply import PowerSupplyComponent
 from esphomeyaml.const import CONF_INVERTED, CONF_MAX_POWER, CONF_POWER_SUPPLY
 from esphomeyaml.helpers import add, esphomelib_ns, get_variable
 
@@ -8,8 +9,8 @@ PLATFORM_SCHEMA = cv.PLATFORM_SCHEMA.extend({
 
 })
 
-BINARY_OUTPUT_SCHEMA = cv.REQUIRED_ID_SCHEMA.extend({
-    vol.Optional(CONF_POWER_SUPPLY): cv.variable_id,
+BINARY_OUTPUT_SCHEMA = vol.Schema({
+    vol.Optional(CONF_POWER_SUPPLY): cv.use_variable_id(PowerSupplyComponent),
     vol.Optional(CONF_INVERTED): cv.boolean,
 })
 
@@ -24,7 +25,9 @@ def setup_output_platform(obj, config, skip_power_supply=False):
     if CONF_INVERTED in config:
         add(obj.set_inverted(config[CONF_INVERTED]))
     if not skip_power_supply and CONF_POWER_SUPPLY in config:
-        power_supply = get_variable(config[CONF_POWER_SUPPLY])
+        power_supply = None
+        for power_supply in get_variable(config[CONF_POWER_SUPPLY]):
+            yield
         add(obj.set_power_supply(power_supply))
     if CONF_MAX_POWER in config:
         add(obj.set_max_power(config[CONF_MAX_POWER]))