pure sdk for main

sdk/app/mp3/mp3_decode.h

@@ -0,0 +1,30 @@
+#ifndef _MP3_DECODE_MSI_H_
+#define _MP3_DECODE_MSI_H_
+
+#include "basic_include.h"
+#include "custom_mem/custom_mem.h"
+
+#ifdef PSRAM_HEAP
+#define MP3_DECODE_MALLOC    custom_malloc_psram
+#define MP3_DECODE_ZALLOC    custom_zalloc_psram
+#define MP3_DECODE_FREE      custom_free_psram
+#else
+#define MP3_DECODE_MALLOC    custom_malloc
+#define MP3_DECODE_ZALLOC    custom_zalloc
+#define MP3_DECODE_FREE      custom_free
+#endif
+
+typedef int32 (*mp3_read_func)(uint8_t *buf, uint32_t size);
+enum
+{
+    MP3_NOT_RUN, //代表可能创建了线程,但没有实际运行(可能是创建线程失败或者被其他高优先级任务一直卡住)
+    MP3_PLAY,
+    MP3_PAUSE,
+    MP3_STOP,
+};
+
+void mp3_decode_init(void *filename, void *read_func);
+void set_mp3_decode_status(uint8_t status);
+uint8_t get_mp3_decode_status(void);
+
+#endif