esphome/esphomeyaml/components/output/ledc.py

45 lines
1.6 KiB
Python
Raw Normal View History

2018-04-07 01:23:03 +02:00
import voluptuous as vol
import esphomeyaml.config_validation as cv
from esphomeyaml import pins
from esphomeyaml.components import output
from esphomeyaml.const import APB_CLOCK_FREQ, CONF_BIT_DEPTH, CONF_CHANNEL, CONF_FREQUENCY, \
CONF_ID, CONF_PIN, ESP_PLATFORM_ESP32
from esphomeyaml.helpers import App, Pvariable, add
ESP_PLATFORMS = [ESP_PLATFORM_ESP32]
def validate_frequency_bit_depth(obj):
frequency = obj.get(CONF_FREQUENCY, 1000)
bit_depth = obj.get(CONF_BIT_DEPTH, 12)
max_freq = APB_CLOCK_FREQ / (2**bit_depth)
if frequency > max_freq:
raise vol.Invalid('Maximum frequency for bit depth {} is {}'.format(bit_depth, max_freq))
return obj
2018-05-20 12:41:52 +02:00
PLATFORM_SCHEMA = vol.All(output.PLATFORM_SCHEMA.extend({
2018-04-07 01:23:03 +02:00
vol.Required(CONF_PIN): vol.All(pins.output_pin, vol.Range(min=0, max=33)),
vol.Optional(CONF_FREQUENCY): cv.frequency,
vol.Optional(CONF_BIT_DEPTH): vol.All(vol.Coerce(int), vol.Range(min=1, max=15)),
vol.Optional(CONF_CHANNEL): vol.All(vol.Coerce(int), vol.Range(min=0, max=15))
2018-05-20 12:41:52 +02:00
}).extend(output.FLOAT_OUTPUT_SCHEMA.schema), validate_frequency_bit_depth)
LEDCOutputComponent = output.output_ns.LEDCOutputComponent
2018-04-07 01:23:03 +02:00
def to_code(config):
frequency = config.get(CONF_FREQUENCY)
if frequency is None and CONF_BIT_DEPTH in config:
frequency = 1000
rhs = App.make_ledc_output(config[CONF_PIN], frequency, config.get(CONF_BIT_DEPTH))
2018-05-20 12:41:52 +02:00
ledc = Pvariable(LEDCOutputComponent, config[CONF_ID], rhs)
2018-04-07 01:23:03 +02:00
if CONF_CHANNEL in config:
add(ledc.set_channel(config[CONF_CHANNEL]))
output.setup_output_platform(ledc, config)
2018-05-06 15:56:12 +02:00
BUILD_FLAGS = '-DUSE_LEDC_OUTPUT'