www.pudn.com > tty_pro.rar > rs232.h

#ifndef _RS232_H_
#define _RS232_H_

/* the maximum number of ports we are willing to open */
#define MAX_PORTS 4

/*this array hold information about each port we have opened */
struct PortInfo{
	int busy;
	char name[32];
	int handle;
};

int OpenCom(int portNo,const char deviceName[],long baudRate);
int CloseCom(int portNo);
int ComRd(int portNo,char buf[],int maxCnt,int Timeout);
int ComWrt(int portNo,const char * buf,int maxCnt);

//long GetBaudRate(long baudRate);
//int OpenComConfig(int port,
//                  const char deviceName[],
//                  long baudRate,
//                  int parity,
//                  int dataBits,
//                  int stopBits,
//                  int iqSize,
//                  int oqSize);

#endif