windows-nt/Source/XPSP1/NT/drivers/serial/ser71051/tinttime.c
2020-09-26 16:20:57 +08:00

122 lines
3 KiB
C

#include <stdio.h>
#include <conio.h>
#include <process.h>
#include <string.h>
#include <windows.h>
#define PERR(bSuccess, api) {if (!(bSuccess)) printf("%s: Error %d from %s \
on line %d\n", __FILE__, GetLastError(), api, __LINE__);}
char cr = '\r';
char lf = '\n';
char ctrlC = 3;
int addLf = 0;
HANDLE hfSerialPort;
void readPort()
{
DWORD cbBytesRead;
char inBuf[256];
int i;
BOOL bSuccess;
SYSTEMTIME sysTimeStart;
SYSTEMTIME sysTimeEnd;
while (1)
{
GetSystemTime(&sysTimeStart);
bSuccess = ReadFile(hfSerialPort, inBuf, sizeof(inBuf), &cbBytesRead,
NULL);
GetSystemTime(&sysTimeEnd);
printf("StartingTime: Yr: %d Mn: %d DayofWeek: %d Day: %d Hr: %d Min: %d Sec: %d Milli: %d\n",
sysTimeStart.wYear,
sysTimeStart.wMonth,
sysTimeStart.wDayOfWeek,
sysTimeStart.wDay,
sysTimeStart.wHour,
sysTimeStart.wMinute,
sysTimeStart.wSecond,
sysTimeStart.wMilliseconds
);
printf("EndingTime: Yr: %d Mn: %d DayofWeek: %d Day: %d Hr: %d Min: %d Sec: %d Milli: %d\n",
sysTimeEnd.wYear,
sysTimeEnd.wMonth,
sysTimeEnd.wDayOfWeek,
sysTimeEnd.wDay,
sysTimeEnd.wHour,
sysTimeEnd.wMinute,
sysTimeEnd.wSecond,
sysTimeEnd.wMilliseconds
);
PERR(bSuccess, "ReadFile");
if (bSuccess && (cbBytesRead == 0))
puts("total timeout");
else
if (cbBytesRead < sizeof(inBuf))
printf("\ainterval timeout, ");
else
printf("buffer full, ");
printf("bytes read: %d\n", cbBytesRead);
for (i = 0; i < (int) cbBytesRead; i++)
{
switch(inBuf[i])
{
case '\r':
if (addLf)
putchar(lf);
putchar(inBuf[i]);
break;
default:
putchar(inBuf[i]);
break;
}
}
}
return;
}
int __cdecl main(int argc,char *argv[])
{
char szTemp[512];
BOOL bSuccess;
COMMTIMEOUTS ctmo;
DCB dcb;
hfSerialPort = CreateFile("COM2", GENERIC_READ | GENERIC_WRITE, 0,
NULL, OPEN_EXISTING, 0, NULL );
PERR(hfSerialPort != INVALID_HANDLE_VALUE, "CreateFile");
bSuccess = GetCommState(hfSerialPort, &dcb);
PERR(bSuccess, "GetCommState");
dcb.BaudRate = 9600;
dcb.fBinary = 1;
dcb.fParity = 0;
dcb.fOutxCtsFlow = 0;
dcb.fOutxDsrFlow = 0;
dcb.fDtrControl = DTR_CONTROL_DISABLE;
dcb.fDsrSensitivity = 0;
dcb.fTXContinueOnXoff = 0;
dcb.fOutX = 1;
dcb.fInX = 1;
dcb.fErrorChar = 0;
dcb.fNull = 1;
dcb.fRtsControl = RTS_CONTROL_DISABLE;
dcb.fAbortOnError = 0;
dcb.Parity = NOPARITY;
dcb.StopBits = ONESTOPBIT;
bSuccess = SetCommState(hfSerialPort, &dcb);
PERR(bSuccess, "SetCommState");
ctmo.ReadIntervalTimeout = 1000;
ctmo.ReadTotalTimeoutMultiplier = 0;
ctmo.ReadTotalTimeoutConstant = 30000;
ctmo.WriteTotalTimeoutMultiplier = 0;
ctmo.WriteTotalTimeoutConstant = 0;
bSuccess = SetCommTimeouts(hfSerialPort, &ctmo);
PERR(bSuccess, "SetCommTimeouts");
readPort();
return(0);
}