esphome/esphome/components/i2s_audio/speaker/__init__.py
2023-05-08 10:36:17 +12:00

87 lines
2.7 KiB
Python

import esphome.codegen as cg
import esphome.config_validation as cv
from esphome import pins
from esphome.const import CONF_ID, CONF_MODE
from esphome.components import esp32, speaker
from .. import (
CONF_I2S_AUDIO_ID,
CONF_I2S_DOUT_PIN,
I2SAudioComponent,
I2SAudioOut,
i2s_audio_ns,
)
CODEOWNERS = ["@jesserockz"]
DEPENDENCIES = ["i2s_audio"]
I2SAudioSpeaker = i2s_audio_ns.class_(
"I2SAudioSpeaker", cg.Component, speaker.Speaker, I2SAudioOut
)
i2s_dac_mode_t = cg.global_ns.enum("i2s_dac_mode_t")
CONF_MUTE_PIN = "mute_pin"
CONF_DAC_TYPE = "dac_type"
INTERNAL_DAC_OPTIONS = {
"left": i2s_dac_mode_t.I2S_DAC_CHANNEL_LEFT_EN,
"right": i2s_dac_mode_t.I2S_DAC_CHANNEL_RIGHT_EN,
"stereo": i2s_dac_mode_t.I2S_DAC_CHANNEL_BOTH_EN,
}
EXTERNAL_DAC_OPTIONS = ["mono", "stereo"]
NO_INTERNAL_DAC_VARIANTS = [esp32.const.VARIANT_ESP32S2]
def validate_esp32_variant(config):
if config[CONF_DAC_TYPE] != "internal":
return config
variant = esp32.get_esp32_variant()
if variant in NO_INTERNAL_DAC_VARIANTS:
raise cv.Invalid(f"{variant} does not have an internal DAC")
return config
CONFIG_SCHEMA = cv.All(
cv.typed_schema(
{
"internal": speaker.SPEAKER_SCHEMA.extend(
{
cv.GenerateID(): cv.declare_id(I2SAudioSpeaker),
cv.GenerateID(CONF_I2S_AUDIO_ID): cv.use_id(I2SAudioComponent),
cv.Required(CONF_MODE): cv.enum(INTERNAL_DAC_OPTIONS, lower=True),
}
).extend(cv.COMPONENT_SCHEMA),
"external": speaker.SPEAKER_SCHEMA.extend(
{
cv.GenerateID(): cv.declare_id(I2SAudioSpeaker),
cv.GenerateID(CONF_I2S_AUDIO_ID): cv.use_id(I2SAudioComponent),
cv.Required(
CONF_I2S_DOUT_PIN
): pins.internal_gpio_output_pin_number,
cv.Optional(CONF_MODE, default="mono"): cv.one_of(
*EXTERNAL_DAC_OPTIONS, lower=True
),
}
).extend(cv.COMPONENT_SCHEMA),
},
key=CONF_DAC_TYPE,
),
validate_esp32_variant,
)
async def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
await cg.register_component(var, config)
await speaker.register_speaker(var, config)
await cg.register_parented(var, config[CONF_I2S_AUDIO_ID])
if config[CONF_DAC_TYPE] == "internal":
cg.add(var.set_internal_dac_mode(config[CONF_MODE]))
else:
cg.add(var.set_dout_pin(config[CONF_I2S_DOUT_PIN]))
cg.add(var.set_external_dac_channels(2 if config[CONF_MODE] == "stereo" else 1))