#include "ES9018AudioSink.h" #include "driver/i2s.h" ES9018AudioSink::ES9018AudioSink() { i2s_config_t i2s_config = { .mode = (i2s_mode_t)(I2S_MODE_MASTER | I2S_MODE_TX), // Only TX .sample_rate = 44100, .bits_per_sample = (i2s_bits_per_sample_t)16, .channel_format = I2S_CHANNEL_FMT_RIGHT_LEFT, //2-channels .communication_format = (i2s_comm_format_t)I2S_COMM_FORMAT_STAND_MSB, .intr_alloc_flags = 0, //Default interrupt priority .dma_buf_count = 8, .dma_buf_len = 512, .use_apll = true, .tx_desc_auto_clear = true, //Auto clear tx descriptor on underflow .fixed_mclk = 384 * 44100}; i2s_pin_config_t pin_config = { .bck_io_num = 27, .ws_io_num = 32, .data_out_num = 25, .data_in_num = -1 //Not used }; i2s_driver_install((i2s_port_t)0, &i2s_config, 0, NULL); i2s_set_pin((i2s_port_t)0, &pin_config); startI2sFeed(); } ES9018AudioSink::~ES9018AudioSink() {}