esphome/esphomeyaml/components/output/esp8266_pwm.py

37 lines
1.1 KiB
Python

import voluptuous as vol
from esphomeyaml import pins
import esphomeyaml.config_validation as cv
from esphomeyaml.components import output
from esphomeyaml.const import CONF_ID, CONF_NUMBER, CONF_PIN, ESP_PLATFORM_ESP8266
from esphomeyaml.core import ESPHomeYAMLError
from esphomeyaml.helpers import App, Pvariable, gpio_output_pin_expression
ESP_PLATFORMS = [ESP_PLATFORM_ESP8266]
def valid_pwm_pin(value):
if value[CONF_NUMBER] > 16:
raise ESPHomeYAMLError(u"ESP8266: Only pins 0-16 support PWM.")
return value
ESP8266PWMOutput = output.output_ns.ESP8266PWMOutput
PLATFORM_SCHEMA = output.PLATFORM_SCHEMA.extend({
vol.Required(CONF_ID): cv.declare_variable_id(ESP8266PWMOutput),
vol.Required(CONF_PIN): vol.All(pins.GPIO_INTERNAL_OUTPUT_PIN_SCHEMA, valid_pwm_pin),
}).extend(output.FLOAT_OUTPUT_SCHEMA.schema)
def to_code(config):
pin = None
for pin in gpio_output_pin_expression(config[CONF_PIN]):
yield
rhs = App.make_esp8266_pwm_output(pin)
gpio = Pvariable(config[CONF_ID], rhs)
output.setup_output_platform(gpio, config)
BUILD_FLAGS = '-DUSE_ESP8266_PWM_OUTPUT'