libuart.h

学习嵌入式arm的资料

#ifndef   _LIB_COMM_
#define   _LIB_COMM_

enum
{
COM0,
COM1,
COM2
};


extern void  ComInit(int CommNum,int Baudrate);
extern void  ComSendBuff(int CommNum,unsigned char  *TxBuff,int Len);
extern void  ComPutChar(int CommNum,char c);
extern void  CommSendString(int CommNum,char *Str);

extern unsigned char ComGetChar(int CommNum);
extern unsigned int  ComGetBuff(int CommNum,unsigned int Timeout,unsigned char *RxBuff,int Len); //Timeout=0 wait forever

#endif