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https://github.com/esphome/esphome.git
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90 lines
2.6 KiB
Python
90 lines
2.6 KiB
Python
import esphome.config_validation as cv
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import esphome.codegen as cg
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from esphome import pins
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from esphome.const import CONF_ID, CONF_NUMBER
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from esphome.components import microphone, esp32
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from esphome.components.adc import ESP32_VARIANT_ADC1_PIN_TO_CHANNEL, validate_adc_pin
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from .. import (
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i2s_audio_ns,
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I2SAudioComponent,
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I2SAudioIn,
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CONF_I2S_AUDIO_ID,
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CONF_I2S_DIN_PIN,
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)
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CODEOWNERS = ["@jesserockz"]
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DEPENDENCIES = ["i2s_audio"]
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CONF_ADC_PIN = "adc_pin"
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CONF_ADC_TYPE = "adc_type"
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CONF_PDM = "pdm"
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I2SAudioMicrophone = i2s_audio_ns.class_(
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"I2SAudioMicrophone", I2SAudioIn, microphone.Microphone, cg.Component
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)
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INTERNAL_ADC_VARIANTS = [esp32.const.VARIANT_ESP32]
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PDM_VARIANTS = [esp32.const.VARIANT_ESP32, esp32.const.VARIANT_ESP32S3]
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def validate_esp32_variant(config):
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variant = esp32.get_esp32_variant()
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if config[CONF_ADC_TYPE] == "external":
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if config[CONF_PDM]:
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if variant not in PDM_VARIANTS:
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raise cv.Invalid(f"{variant} does not support PDM")
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return config
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if config[CONF_ADC_TYPE] == "internal":
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if variant not in INTERNAL_ADC_VARIANTS:
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raise cv.Invalid(f"{variant} does not have an internal ADC")
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return config
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raise NotImplementedError
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BASE_SCHEMA = microphone.MICROPHONE_SCHEMA.extend(
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{
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cv.GenerateID(): cv.declare_id(I2SAudioMicrophone),
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cv.GenerateID(CONF_I2S_AUDIO_ID): cv.use_id(I2SAudioComponent),
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}
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).extend(cv.COMPONENT_SCHEMA)
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CONFIG_SCHEMA = cv.All(
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cv.typed_schema(
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{
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"internal": BASE_SCHEMA.extend(
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{
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cv.Required(CONF_ADC_PIN): validate_adc_pin,
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}
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),
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"external": BASE_SCHEMA.extend(
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{
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cv.Required(CONF_I2S_DIN_PIN): pins.internal_gpio_input_pin_number,
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cv.Required(CONF_PDM): cv.boolean,
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}
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),
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},
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key=CONF_ADC_TYPE,
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),
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validate_esp32_variant,
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)
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async def to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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await cg.register_component(var, config)
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await cg.register_parented(var, config[CONF_I2S_AUDIO_ID])
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if config[CONF_ADC_TYPE] == "internal":
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variant = esp32.get_esp32_variant()
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pin_num = config[CONF_ADC_PIN][CONF_NUMBER]
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channel = ESP32_VARIANT_ADC1_PIN_TO_CHANNEL[variant][pin_num]
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cg.add(var.set_adc_channel(channel))
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else:
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cg.add(var.set_din_pin(config[CONF_I2S_DIN_PIN]))
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cg.add(var.set_pdm(config[CONF_PDM]))
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await microphone.register_microphone(var, config)
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