serial.h

来自「linux下的一个串口调试程序的源代码」· C头文件 代码 · 共 29 行

#ifndef _SERIAL_H
#define _SERIAL_H

/* serial.c */
/*
 * Decription for TIMEOUT_SEC(buflen,baud);
 * baud bits per second, buflen bytes to send.
 * buflen*20 (20 means sending an octect-bit data by use of the maxim bits 20)
 * eg. 9600bps baudrate, buflen=1024B, then TIMEOUT_SEC = 1024*20/9600+2 = 4
 * don't change the two lines below unless you do know what you are doing.
 */
#define TIMEOUT_SEC(buflen,baud) (buflen*20/baud+2)
#define TIMEOUT_USEC 0

#define BUFFER_LEN  1024        //* sendfile() */
#define E_OPEN          -0x01
#define E_SET_BAUDRATE  -0x02
#define E_NOTOPEN       -0x11
#define E_NODATA        -0x12

INT32           OpenComPort (const P_PORT_INFO pinfo);
void            CloseComPort (void);
INT32           ReadComPort (void *data, INT32 datalength);
INT32           WriteComPort (UINT8 * data, INT32 datalength);
INT32           SendFile (const char *pathname, INT32 echo);
INT32           SetPortSig ();

#endif                          /* serial.c */