Add internal modifier. Fixes ottowinter/esphomelib#77

esphomeyaml/components/sensor/duty_cycle.py

@@ -0,0 +1,28 @@
+import voluptuous as vol
+
+import esphomeyaml.config_validation as cv
+from esphomeyaml import pins
+from esphomeyaml.components import sensor
+from esphomeyaml.const import CONF_MAKE_ID, CONF_NAME, CONF_PIN, CONF_UPDATE_INTERVAL
+from esphomeyaml.helpers import App, Application, gpio_input_pin_expression, variable
+
+MakeDutyCycleSensor = Application.MakeDutyCycleSensor
+
+PLATFORM_SCHEMA = cv.nameable(sensor.SENSOR_PLATFORM_SCHEMA.extend({
+    cv.GenerateID(CONF_MAKE_ID): cv.declare_variable_id(MakeDutyCycleSensor),
+    vol.Required(CONF_PIN): pins.internal_gpio_input_pin_schema,
+    vol.Optional(CONF_UPDATE_INTERVAL): cv.positive_time_period_milliseconds,
+}))
+
+
+def to_code(config):
+    pin = None
+    for pin in gpio_input_pin_expression(config[CONF_PIN]):
+        yield
+    rhs = App.make_duty_cycle_sensor(config[CONF_NAME], pin,
+                                     config.get(CONF_UPDATE_INTERVAL))
+    make = variable(config[CONF_MAKE_ID], rhs)
+    sensor.setup_sensor(make.Pduty, make.Pmqtt, config)
+
+
+BUILD_FLAGS = '-DUSE_DUTY_CYCLE_SENSOR'