3.24_433_RX版本：封装RF433模块，完成开机进入TX/RX模式并在开发板验证成功

Core/Inc/fifo.h

@@ -0,0 +1,31 @@
+#ifndef _FIFO_H_
+#define _FIFO_H_
+
+#include <stdint.h>
+
+typedef enum
+{
+		FIFO_OK   = 0x00,
+		FIFO_ERROR_NULL,
+		FIFO_ERROR_LENGTH,
+	  FIFO_ERROR_FULL,
+	  FIFO_ERROR_EMPTY,
+}fifo_error_t;
+
+typedef struct
+{
+		uint32_t in;
+		uint32_t out;
+		uint32_t size;
+		uint8_t* buffer;
+} fifo_t;
+
+
+fifo_error_t fifo_create( fifo_t *fifo , uint8_t *buffer, uint32_t size );
+fifo_error_t fifo_clear( fifo_t *fifo );
+fifo_error_t fifo_write( fifo_t *fifo, uint8_t *buffer, uint32_t length );
+fifo_error_t fifo_read( fifo_t *fifo, uint8_t *buffer,  uint32_t length );
+fifo_error_t fifo_get_length( fifo_t *fifo , uint32_t *length);
+fifo_error_t fifo_get_remain_length( fifo_t *fifo , uint32_t *length);
+
+#endif