#define USART_REC_LEN  			200  		//定义最大接收字节数 200

extern uint8_t temp;

extern uint8_t  USART_RX_BUF[USART_REC_LEN]; 	//接收缓冲
extern uint16_t USART_RX_STA;
extern uint8_t aRxBuffer[1];