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https://github.com/ByteWelder/Tactility.git
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bdb50505e7
USB Audio Class (UAC) output Audio codec re-binding Keyboard / Bluetooth HID HID Consumer Control (media keys) Symbol exports Other fixes IMU-based screen auto-rotate See PR for details: https://github.com/TactilityProject/Tactility/pull/655
69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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#include <tactility/check.h>
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#include <tactility/device.h>
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#include <tactility/driver.h>
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#include <tactility/log.h>
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#include <tactility/module.h>
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#ifdef ESP_PLATFORM
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#include <esp_audio_dec_default.h>
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#include <esp_audio_simple_dec_default.h>
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#endif
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extern "C" {
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extern Driver audio_stream_driver;
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extern Device audio_stream_device;
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static error_t start() {
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#ifdef ESP_PLATFORM
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/* Firmware-owned decoder registration, before any app can open a decode stream.
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* External ELF apps reach the decoders through this module's symbol table. */
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esp_audio_err_t dec_result = esp_audio_dec_register_default();
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esp_audio_err_t simple_result = esp_audio_simple_dec_register_default();
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if (dec_result != ESP_AUDIO_ERR_OK || simple_result != ESP_AUDIO_ERR_OK) {
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LOG_E("AudioStream", "Decoder registration failed: dec=%d simple=%d",
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(int) dec_result, (int) simple_result);
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}
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#endif
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/* We crash when construct fails, because if a single driver fails to construct,
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* there is no guarantee that the previously constructed drivers can be destroyed */
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check(driver_construct_add(&audio_stream_driver) == ERROR_NONE);
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/* The audio-stream device is a software aggregate with no devicetree backing — it binds
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* to whichever AUDIO_CODEC_TYPE devices are present at start_device time. Constructed
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* here (after codec drivers/devices are up) rather than from a .dts node. */
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if (device_construct_add_start(&audio_stream_device, "audio-stream") != ERROR_NONE) {
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LOG_W("AudioStream", "No audio codec available; audio-stream0 not started");
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}
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return ERROR_NONE;
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}
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static error_t stop() {
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if (device_is_added(&audio_stream_device)) {
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device_stop(&audio_stream_device);
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device_remove(&audio_stream_device);
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device_destruct(&audio_stream_device);
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}
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/* We crash when destruct fails, because if a single driver fails to destruct,
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* there is no guarantee that the previously destroyed drivers can be recovered */
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check(driver_remove_destruct(&audio_stream_driver) == ERROR_NONE);
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return ERROR_NONE;
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}
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extern const ModuleSymbol audio_stream_module_symbols[];
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Module audio_stream_module = {
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.name = "audio-stream",
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.start = start,
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.stop = stop,
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.drivers = nullptr,
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.symbols = audio_stream_module_symbols,
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.internal = nullptr
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};
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}
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