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esphome/esphome/components/i2s_audio/speaker/i2s_audio_speaker.h
2023-11-28 11:14:26 +13:00

84 lines
1.7 KiB
C++

#pragma once
#ifdef USE_ESP32
#include "../i2s_audio.h"
#include <driver/i2s.h>
#include <freertos/FreeRTOS.h>
#include <freertos/queue.h>
#include "esphome/components/speaker/speaker.h"
#include "esphome/core/component.h"
#include "esphome/core/gpio.h"
#include "esphome/core/helpers.h"
namespace esphome {
namespace i2s_audio {
static const size_t BUFFER_SIZE = 1024;
enum class TaskEventType : uint8_t {
STARTING = 0,
STARTED,
PLAYING,
STOPPING,
STOPPED,
WARNING = 255,
};
struct TaskEvent {
TaskEventType type;
esp_err_t err;
};
struct DataEvent {
bool stop;
size_t len;
uint8_t data[BUFFER_SIZE];
};
class I2SAudioSpeaker : public Component, public speaker::Speaker, public I2SAudioOut {
public:
float get_setup_priority() const override { return esphome::setup_priority::LATE; }
void setup() override;
void loop() override;
void set_dout_pin(uint8_t pin) { this->dout_pin_ = pin; }
#if SOC_I2S_SUPPORTS_DAC
void set_internal_dac_mode(i2s_dac_mode_t mode) { this->internal_dac_mode_ = mode; }
#endif
void set_external_dac_channels(uint8_t channels) { this->external_dac_channels_ = channels; }
void start() override;
void stop() override;
size_t play(const uint8_t *data, size_t length) override;
bool has_buffered_data() const override;
protected:
void start_();
// void stop_();
void watch_();
static void player_task(void *params);
TaskHandle_t player_task_handle_{nullptr};
QueueHandle_t buffer_queue_;
QueueHandle_t event_queue_;
uint8_t dout_pin_{0};
#if SOC_I2S_SUPPORTS_DAC
i2s_dac_mode_t internal_dac_mode_{I2S_DAC_CHANNEL_DISABLE};
#endif
uint8_t external_dac_channels_;
};
} // namespace i2s_audio
} // namespace esphome
#endif // USE_ESP32