rs232.h

来自「arm9_2410下gprs_socket实现」· C头文件 代码 · 共 39 行

#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;
};

struct PortInfo ports[MAX_PORTS];

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

int initgprs();
int sendgprs(char *data);
void readcom1(void);
 
int usecsleep(int usecs);

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