move to new cspot

components/spotify/cspot/bell/main/audio-sinks/esp/AC101AudioSink.cpp

@@ -0,0 +1,46 @@
+#include "AC101AudioSink.h"
+
+#include "driver/i2s.h"
+
+AC101AudioSink::AC101AudioSink()
+{
+    // Disable software volume control, all handled by ::volumeChanged
+    softwareVolumeControl = false;
+
+    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_I2S,
+        .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
+    };
+
+    i2s_pin_config_t pin_config = {
+        .bck_io_num = 27,
+        .ws_io_num = 26,
+        .data_out_num = 25,
+        .data_in_num = -1 //Not used
+    };
+
+    dac = &dac_a1s;
+
+    dac->init(0, 0, &i2s_config);
+    dac->speaker(false);
+    dac->power(ADAC_ON);
+
+    startI2sFeed();
+}
+
+AC101AudioSink::~AC101AudioSink()
+{
+}
+
+void AC101AudioSink::volumeChanged(uint16_t volume) {
+    dac->volume(volume, volume);
+}