299 lines
9.9 KiB
Python
299 lines
9.9 KiB
Python
from dataclasses import dataclass, field
|
|
|
|
from esphome import pins
|
|
import esphome.codegen as cg
|
|
from esphome.components.esp32 import (
|
|
add_idf_sdkconfig_option,
|
|
get_esp32_variant,
|
|
include_builtin_idf_component,
|
|
)
|
|
from esphome.components.esp32.const import (
|
|
VARIANT_ESP32,
|
|
VARIANT_ESP32C3,
|
|
VARIANT_ESP32C5,
|
|
VARIANT_ESP32C6,
|
|
VARIANT_ESP32C61,
|
|
VARIANT_ESP32H2,
|
|
VARIANT_ESP32P4,
|
|
VARIANT_ESP32S2,
|
|
VARIANT_ESP32S3,
|
|
)
|
|
import esphome.config_validation as cv
|
|
from esphome.const import CONF_BITS_PER_SAMPLE, CONF_CHANNEL, CONF_ID, CONF_SAMPLE_RATE
|
|
from esphome.core import CORE
|
|
from esphome.cpp_generator import MockObjClass
|
|
import esphome.final_validate as fv
|
|
|
|
CODEOWNERS = ["@jesserockz"]
|
|
DEPENDENCIES = ["esp32"]
|
|
MULTI_CONF = True
|
|
|
|
CONF_PDM = "pdm"
|
|
CONF_ADC_TYPE = "adc_type"
|
|
|
|
CONF_I2S_DOUT_PIN = "i2s_dout_pin"
|
|
CONF_I2S_DIN_PIN = "i2s_din_pin"
|
|
CONF_I2S_MCLK_PIN = "i2s_mclk_pin"
|
|
CONF_I2S_BCLK_PIN = "i2s_bclk_pin"
|
|
CONF_I2S_LRCLK_PIN = "i2s_lrclk_pin"
|
|
|
|
CONF_I2S_AUDIO = "i2s_audio"
|
|
CONF_I2S_AUDIO_ID = "i2s_audio_id"
|
|
|
|
CONF_I2S_MODE = "i2s_mode"
|
|
CONF_PRIMARY = "primary"
|
|
CONF_SECONDARY = "secondary"
|
|
|
|
CONF_USE_APLL = "use_apll"
|
|
CONF_BITS_PER_CHANNEL = "bits_per_channel"
|
|
CONF_MCLK_MULTIPLE = "mclk_multiple"
|
|
CONF_MONO = "mono"
|
|
CONF_LEFT = "left"
|
|
CONF_RIGHT = "right"
|
|
CONF_STEREO = "stereo"
|
|
CONF_BOTH = "both"
|
|
|
|
i2s_audio_ns = cg.esphome_ns.namespace("i2s_audio")
|
|
I2SAudioComponent = i2s_audio_ns.class_("I2SAudioComponent", cg.Component)
|
|
I2SAudioBase = i2s_audio_ns.class_(
|
|
"I2SAudioBase", cg.Parented.template(I2SAudioComponent)
|
|
)
|
|
I2SAudioIn = i2s_audio_ns.class_("I2SAudioIn", I2SAudioBase)
|
|
I2SAudioOut = i2s_audio_ns.class_("I2SAudioOut", I2SAudioBase)
|
|
|
|
i2s_mode_t = cg.global_ns.enum("i2s_mode_t")
|
|
I2S_MODE_OPTIONS = {
|
|
CONF_PRIMARY: i2s_mode_t.I2S_MODE_MASTER, # NOLINT
|
|
CONF_SECONDARY: i2s_mode_t.I2S_MODE_SLAVE, # NOLINT
|
|
}
|
|
|
|
i2s_role_t = cg.global_ns.enum("i2s_role_t")
|
|
I2S_ROLE_OPTIONS = {
|
|
CONF_PRIMARY: i2s_role_t.I2S_ROLE_MASTER, # NOLINT
|
|
CONF_SECONDARY: i2s_role_t.I2S_ROLE_SLAVE, # NOLINT
|
|
}
|
|
|
|
# https://github.com/espressif/esp-idf/blob/master/components/soc/{variant}/include/soc/soc_caps.h (SOC_I2S_NUM)
|
|
I2S_PORTS = {
|
|
VARIANT_ESP32: 2,
|
|
VARIANT_ESP32C3: 1,
|
|
VARIANT_ESP32C5: 1,
|
|
VARIANT_ESP32C6: 1,
|
|
VARIANT_ESP32C61: 1,
|
|
VARIANT_ESP32H2: 1,
|
|
VARIANT_ESP32P4: 3,
|
|
VARIANT_ESP32S2: 1,
|
|
VARIANT_ESP32S3: 2,
|
|
}
|
|
|
|
i2s_channel_fmt_t = cg.global_ns.enum("i2s_channel_fmt_t")
|
|
I2S_CHANNELS = {
|
|
CONF_MONO: i2s_channel_fmt_t.I2S_CHANNEL_FMT_ALL_LEFT, # left data to both channels
|
|
CONF_LEFT: i2s_channel_fmt_t.I2S_CHANNEL_FMT_ONLY_LEFT, # mono data
|
|
CONF_RIGHT: i2s_channel_fmt_t.I2S_CHANNEL_FMT_ONLY_RIGHT, # mono data
|
|
CONF_STEREO: i2s_channel_fmt_t.I2S_CHANNEL_FMT_RIGHT_LEFT, # stereo data to both channels
|
|
}
|
|
|
|
i2s_slot_mode_t = cg.global_ns.enum("i2s_slot_mode_t")
|
|
I2S_SLOT_MODE = {
|
|
CONF_MONO: i2s_slot_mode_t.I2S_SLOT_MODE_MONO,
|
|
CONF_STEREO: i2s_slot_mode_t.I2S_SLOT_MODE_STEREO,
|
|
}
|
|
|
|
i2s_std_slot_mask_t = cg.global_ns.enum("i2s_std_slot_mask_t")
|
|
I2S_STD_SLOT_MASK = {
|
|
CONF_LEFT: i2s_std_slot_mask_t.I2S_STD_SLOT_LEFT,
|
|
CONF_RIGHT: i2s_std_slot_mask_t.I2S_STD_SLOT_RIGHT,
|
|
CONF_BOTH: i2s_std_slot_mask_t.I2S_STD_SLOT_BOTH,
|
|
}
|
|
|
|
i2s_bits_per_sample_t = cg.global_ns.enum("i2s_bits_per_sample_t")
|
|
I2S_BITS_PER_SAMPLE = {
|
|
8: i2s_bits_per_sample_t.I2S_BITS_PER_SAMPLE_8BIT,
|
|
16: i2s_bits_per_sample_t.I2S_BITS_PER_SAMPLE_16BIT,
|
|
24: i2s_bits_per_sample_t.I2S_BITS_PER_SAMPLE_24BIT,
|
|
32: i2s_bits_per_sample_t.I2S_BITS_PER_SAMPLE_32BIT,
|
|
}
|
|
|
|
i2s_bits_per_chan_t = cg.global_ns.enum("i2s_bits_per_chan_t")
|
|
I2S_BITS_PER_CHANNEL = {
|
|
"default": i2s_bits_per_chan_t.I2S_BITS_PER_CHAN_DEFAULT,
|
|
8: i2s_bits_per_chan_t.I2S_BITS_PER_CHAN_8BIT,
|
|
16: i2s_bits_per_chan_t.I2S_BITS_PER_CHAN_16BIT,
|
|
24: i2s_bits_per_chan_t.I2S_BITS_PER_CHAN_24BIT,
|
|
32: i2s_bits_per_chan_t.I2S_BITS_PER_CHAN_32BIT,
|
|
}
|
|
|
|
i2s_slot_bit_width_t = cg.global_ns.enum("i2s_slot_bit_width_t")
|
|
I2S_SLOT_BIT_WIDTH = {
|
|
"default": i2s_slot_bit_width_t.I2S_SLOT_BIT_WIDTH_AUTO,
|
|
8: i2s_slot_bit_width_t.I2S_SLOT_BIT_WIDTH_8BIT,
|
|
16: i2s_slot_bit_width_t.I2S_SLOT_BIT_WIDTH_16BIT,
|
|
24: i2s_slot_bit_width_t.I2S_SLOT_BIT_WIDTH_24BIT,
|
|
32: i2s_slot_bit_width_t.I2S_SLOT_BIT_WIDTH_32BIT,
|
|
}
|
|
|
|
i2s_mclk_multiple_t = cg.global_ns.enum("i2s_mclk_multiple_t")
|
|
I2S_MCLK_MULTIPLE = {
|
|
128: i2s_mclk_multiple_t.I2S_MCLK_MULTIPLE_128,
|
|
256: i2s_mclk_multiple_t.I2S_MCLK_MULTIPLE_256,
|
|
384: i2s_mclk_multiple_t.I2S_MCLK_MULTIPLE_384,
|
|
512: i2s_mclk_multiple_t.I2S_MCLK_MULTIPLE_512,
|
|
}
|
|
|
|
_validate_bits = cv.float_with_unit("bits", "bit")
|
|
|
|
|
|
def validate_mclk_divisible_by_3(config):
|
|
if config[CONF_BITS_PER_SAMPLE] == 24 and config[CONF_MCLK_MULTIPLE] % 3 != 0:
|
|
raise cv.Invalid(
|
|
f"{CONF_MCLK_MULTIPLE} must be divisible by 3 when bits per sample is 24"
|
|
)
|
|
return config
|
|
|
|
|
|
def i2s_audio_component_schema(
|
|
class_: MockObjClass,
|
|
*,
|
|
default_sample_rate: int,
|
|
default_channel: str,
|
|
default_bits_per_sample: str,
|
|
):
|
|
return cv.Schema(
|
|
{
|
|
cv.GenerateID(): cv.declare_id(class_),
|
|
cv.GenerateID(CONF_I2S_AUDIO_ID): cv.use_id(I2SAudioComponent),
|
|
cv.Optional(CONF_CHANNEL, default=default_channel): cv.one_of(
|
|
*I2S_CHANNELS
|
|
),
|
|
cv.Optional(CONF_SAMPLE_RATE, default=default_sample_rate): cv.int_range(
|
|
min=1
|
|
),
|
|
cv.Optional(CONF_BITS_PER_SAMPLE, default=default_bits_per_sample): cv.All(
|
|
_validate_bits, cv.int_, cv.one_of(*I2S_BITS_PER_SAMPLE)
|
|
),
|
|
cv.Optional(CONF_I2S_MODE, default=CONF_PRIMARY): cv.one_of(
|
|
*I2S_MODE_OPTIONS, lower=True
|
|
),
|
|
cv.Optional(CONF_USE_APLL, default=False): cv.boolean,
|
|
cv.Optional(CONF_MCLK_MULTIPLE, default=256): cv.one_of(*I2S_MCLK_MULTIPLE),
|
|
}
|
|
)
|
|
|
|
|
|
async def register_i2s_audio_component(var, config):
|
|
await cg.register_parented(var, config[CONF_I2S_AUDIO_ID])
|
|
cg.add(var.set_i2s_role(I2S_ROLE_OPTIONS[config[CONF_I2S_MODE]]))
|
|
slot_mode = config[CONF_CHANNEL]
|
|
if slot_mode != CONF_STEREO:
|
|
slot_mode = CONF_MONO
|
|
slot_mask = config[CONF_CHANNEL]
|
|
if slot_mask not in [CONF_LEFT, CONF_RIGHT]:
|
|
slot_mask = CONF_BOTH
|
|
cg.add(var.set_slot_mode(I2S_SLOT_MODE[slot_mode]))
|
|
cg.add(var.set_std_slot_mask(I2S_STD_SLOT_MASK[slot_mask]))
|
|
cg.add(var.set_slot_bit_width(I2S_SLOT_BIT_WIDTH[config[CONF_BITS_PER_SAMPLE]]))
|
|
cg.add(var.set_sample_rate(config[CONF_SAMPLE_RATE]))
|
|
cg.add(var.set_use_apll(config[CONF_USE_APLL]))
|
|
cg.add(var.set_mclk_multiple(I2S_MCLK_MULTIPLE[config[CONF_MCLK_MULTIPLE]]))
|
|
|
|
|
|
CONFIG_SCHEMA = cv.Schema(
|
|
{
|
|
cv.GenerateID(): cv.declare_id(I2SAudioComponent),
|
|
cv.Optional(CONF_I2S_LRCLK_PIN): pins.internal_gpio_output_pin_number,
|
|
cv.Optional(CONF_I2S_BCLK_PIN): pins.internal_gpio_output_pin_number,
|
|
cv.Optional(CONF_I2S_MCLK_PIN): pins.internal_gpio_output_pin_number,
|
|
},
|
|
)
|
|
|
|
|
|
@dataclass
|
|
class I2SAudioData:
|
|
"""I2S audio component state stored in CORE.data."""
|
|
|
|
port_map: dict[str, int] = field(default_factory=dict)
|
|
|
|
|
|
def _get_data() -> I2SAudioData:
|
|
if CONF_I2S_AUDIO not in CORE.data:
|
|
CORE.data[CONF_I2S_AUDIO] = I2SAudioData()
|
|
return CORE.data[CONF_I2S_AUDIO]
|
|
|
|
|
|
def _assign_ports() -> None:
|
|
"""Assign I2S port numbers, prioritizing instances with microphone children.
|
|
|
|
Microphones (especially PDM) require port 0 on most ESP32 variants.
|
|
This runs once and stores the mapping in CORE.data.
|
|
"""
|
|
data = _get_data()
|
|
if data.port_map:
|
|
return
|
|
|
|
full_config = fv.full_config.get()
|
|
i2s_configs = full_config[CONF_I2S_AUDIO]
|
|
|
|
# Find i2s_audio instances with microphones that require port 0
|
|
# (PDM and internal ADC only work on I2S port 0)
|
|
port0_parent_id = None
|
|
for mic_config in full_config.get("microphone", []):
|
|
if CONF_I2S_AUDIO_ID not in mic_config:
|
|
continue
|
|
if mic_config.get(CONF_PDM) or mic_config.get(CONF_ADC_TYPE) == "internal":
|
|
if port0_parent_id is not None:
|
|
raise cv.Invalid(
|
|
"Only one PDM/ADC microphone is supported (requires I2S port 0)"
|
|
)
|
|
port0_parent_id = str(mic_config[CONF_I2S_AUDIO_ID])
|
|
|
|
# Assign ports: port 0 parent first (if any), rest get sequential
|
|
next_port = 0
|
|
if port0_parent_id is not None:
|
|
data.port_map[port0_parent_id] = next_port
|
|
next_port += 1
|
|
for config in i2s_configs:
|
|
config_id = str(config[CONF_ID])
|
|
if config_id != port0_parent_id:
|
|
data.port_map[config_id] = next_port
|
|
next_port += 1
|
|
|
|
|
|
def _final_validate(_):
|
|
i2s_audio_configs = fv.full_config.get()[CONF_I2S_AUDIO]
|
|
variant = get_esp32_variant()
|
|
if variant not in I2S_PORTS:
|
|
raise cv.Invalid(f"Unsupported variant {variant}")
|
|
if len(i2s_audio_configs) > I2S_PORTS[variant]:
|
|
raise cv.Invalid(
|
|
f"Only {I2S_PORTS[variant]} I2S audio ports are supported on {variant}"
|
|
)
|
|
_assign_ports()
|
|
|
|
|
|
FINAL_VALIDATE_SCHEMA = _final_validate
|
|
|
|
|
|
async def to_code(config):
|
|
var = cg.new_Pvariable(config[CONF_ID])
|
|
await cg.register_component(var, config)
|
|
|
|
# Assign I2S port from _final_validate computed mapping
|
|
data = _get_data()
|
|
if (port := data.port_map.get(str(config[CONF_ID]))) is None:
|
|
raise ValueError(f"No I2S port assigned for {config[CONF_ID]}")
|
|
cg.add(var.set_port(port))
|
|
|
|
# Re-enable ESP-IDF's I2S driver (excluded by default to save compile time)
|
|
include_builtin_idf_component("esp_driver_i2s")
|
|
|
|
# Helps avoid callbacks being skipped due to processor load
|
|
add_idf_sdkconfig_option("CONFIG_I2S_ISR_IRAM_SAFE", True)
|
|
|
|
if CONF_I2S_LRCLK_PIN in config:
|
|
cg.add(var.set_lrclk_pin(config[CONF_I2S_LRCLK_PIN]))
|
|
if CONF_I2S_BCLK_PIN in config:
|
|
cg.add(var.set_bclk_pin(config[CONF_I2S_BCLK_PIN]))
|
|
if CONF_I2S_MCLK_PIN in config:
|
|
cg.add(var.set_mclk_pin(config[CONF_I2S_MCLK_PIN]))
|