#include "i2s.h"
#include "pins.h"

i2s_chan_handle_t i2s_tx;
i2s_chan_handle_t i2s_rx;
void audio_i2s_init(void) {
  i2s_chan_config_t cfg =
      I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER);

  i2s_new_channel(&cfg, &i2s_tx, &i2s_rx);

  i2s_std_config_t stdcfg = {
      .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(44100),

      .slot_cfg = I2S_STD_MSB_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT,
                                                  I2S_SLOT_MODE_STEREO),

      .gpio_cfg =
          {
              .mclk = I2S_GPIO_UNUSED,
              .bclk = AUDIO_SCLK,
              .ws = AUDIO_LRCK,
              .dout = AUDIO_DSDIN,
              .din = AUDIO_ASDOUT,
          },
  };

  i2s_channel_init_std_mode(i2s_tx, &stdcfg);

  i2s_channel_init_std_mode(i2s_rx, &stdcfg);

  i2s_channel_enable(i2s_tx);
  i2s_channel_enable(i2s_rx);
}