可以读取M1卡的序列号，其他区块的读写还要继续研究

HW_Devices/rs522.c

@@ -423,7 +423,7 @@ char PcdSelect ( uint8_t * pSnr )
  *         = MI_OK，成功
  * 调用  ：外部调用
  */
-char PcdAuthState ( uint8_t ucAuth_mode, uint8_t ucAddr, uint8_t * pKey, uint8_t * pSnr )
+char PcdAuthState ( uint8_t ucAuth_mode, uint8_t ucAddr, char * pKey, uint8_t * pSnr )
 {
     char cStatus;
     uint8_t uc, ucComMF522Buf [ MAXRLEN ];

HW_Devices/rs522.h

@@ -127,5 +127,9 @@
 
 
 void RC522_Init( void );                       //初始化
+char PcdRequest ( uint8_t ucReq_code, uint8_t * pTagType );
+char PcdAnticoll ( uint8_t * pSnr );
+char PcdRead ( uint8_t ucAddr, uint8_t * pData );
+char PcdAuthState ( uint8_t ucAuth_mode, uint8_t ucAddr, char * pKey, uint8_t * pSnr );
 
 #endif /* RS522_H_ */