1 files changed, 20 insertions, 0 deletions
diff --git a/code/fe310/eos/i2s.h b/code/fe310/eos/i2s.h
new file mode 100644
index 0000000..29e7a28
--- /dev/null
+++ b/code/fe310/eos/i2s.h
@@ -0,0 +1,20 @@
+#include <stdint.h>
+
+typedef struct EOSABuf {
+    uint16_t idx_r;
+    uint16_t idx_w;
+    uint16_t size;
+    uint8_t *array;
+} EOSABuf;
+
+void eos_i2s_init(void);
+void eos_i2s_init_mic(uint8_t *mic_arr, uint16_t mic_arr_size, uint16_t mic_wm, eos_evt_fptr_t mic_wm_handler);
+void eos_i2s_init_spk(uint8_t *spk_arr, uint16_t spk_arr_size, uint16_t spk_wm, eos_evt_fptr_t spk_wm_handler);
+void eos_i2s_start(void);
+void eos_i2s_stop(void);
+uint16_t eos_i2s_mic_len(void);
+uint16_t eos_i2s_mic_read(uint8_t *sample, uint16_t ssize);
+int eos_i2s_mic_pop(uint8_t *sample);
+uint16_t eos_i2s_spk_len(void);
+uint16_t eos_i2s_spk_write(uint8_t *sample, uint16_t ssize);
+int eos_i2s_spk_push(uint8_t sample);