Init

2026-05-08 14:56:29 +02:00
commit e4a5ccb043
39 changed files with 2481 additions and 0 deletions
@@ -0,0 +1,34 @@
+#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);
+}