_232.h

抄水表手持POS代码

extern void  _Init232(ulong baud);
extern void  _Init2320(ulong baud);
extern void  _oo2320(uchar ch);
extern void  _oo2320(uchar ch);
extern void  _os2320(uchar *dbuf,uint leng);
extern void  _oo232(uchar ch);
extern void  _os232(uchar *dbuf,uint leng);
extern int   _Read232(uint len,uchar *buf,uint dl_ms);
extern int   _Calc_crc(uchar mode, uint len, uchar *in, uchar *out);

extern uchar _ComR232();                //process Rec  232 protocol
extern uchar _ComR2320();                //process Rec  232 protocol
extern uchar _ComS232(uchar leng);//发送//Send  232
extern uchar _ComS2320(uchar leng);//发送//Send  232

extern uchar  xdata _R232Buf0[R232MEMMAX0+1];
extern uchar  xdata _S232Buf0[R232MEMMAX0+1];
extern uchar  xdata _R232Buf[R232MEMMAX+1];
extern uchar  xdata _S232Buf[R232MEMMAX+1];
extern int _pRecBuf0;
extern int _pRecBuf;