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Source code of Windows XP (NT5)
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windows-xp/Source/XPSP1/NT/drivers/serial/ser71051/ttimeout.c

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#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "windows.h"
void main(int argc,char *argv[]) {
HANDLE hFile;
char *MyPort = "COM1";
DWORD ValueFromEscape = 0;
DWORD Func;
int scanfval;
if (argc > 1) {
MyPort = argv[1];
}
if ((hFile = CreateFile(
MyPort,
GENERIC_READ | GENERIC_WRITE,
0,
NULL,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
NULL
)) != ((HANDLE)-1)) {
printf("We successfully opened the %s port.\n",MyPort);
do {
printf("^z=END 1=GETTIMEOUTS 2=SETTIMEOUTS:");
if ((scanfval = scanf("%d",&Func)) == EOF) {
printf("All done\n");
break;
} else if (scanfval != 1) {
printf("Invalid input\n");
} else {
if ((Func >= 1) && (Func <= 2)) {
switch (Func) {
case 1: {
COMMTIMEOUTS OldTimeouts;
if (!GetCommTimeouts(
hFile,
&OldTimeouts
)) {
printf("Error getting timeouts: %d\n",GetLastError());
} else {
printf("ReadIntervalTimeout: %d\n",OldTimeouts.ReadIntervalTimeout);
printf("ReadTotalTimeoutMultiplier: %d\n",OldTimeouts.ReadTotalTimeoutMultiplier);
printf("ReadTotalTimeoutConstant: %d\n",OldTimeouts.ReadTotalTimeoutConstant);
printf("WriteTotalTimeoutMultipler: %d\n",OldTimeouts.WriteTotalTimeoutMultiplier);
printf("WriteTotalTimeoutConstant: %d\n",OldTimeouts.WriteTotalTimeoutConstant);
}
break;
}
case 2: {
COMMTIMEOUTS NewTimeout;
printf("ReadIntervalTimeout[CR Implies use old value]: ");
if ((scanfval = scanf("%d",&NewTimeout.ReadIntervalTimeout)) == EOF) {
printf("All done\n");
exit(1);
} else if (!scanfval) {
NewTimeout.ReadIntervalTimeout = ~0;
} else if (scanfval != 1) {
printf("Bad input\n");
break;
}
printf("ReadTotalTimeoutMultiplier[CR Implies use old value]: ");
if ((scanfval = scanf("%d",&NewTimeout.ReadTotalTimeoutMultiplier)) == EOF) {
printf("All done\n");
exit(1);
} else if (!scanfval) {
NewTimeout.ReadTotalTimeoutMultiplier = ~0;
} else if (scanfval != 1) {
printf("Bad input\n");
break;
}
printf("ReadTotalTimeoutConstant[CR Implies use old value]: ");
if ((scanfval = scanf("%d",&NewTimeout.ReadTotalTimeoutConstant)) == EOF) {
printf("All done\n");
exit(1);
} else if (!scanfval) {
NewTimeout.ReadTotalTimeoutConstant = ~0;
} else if (scanfval != 1) {
printf("Bad input\n");
break;
}
printf("WriteTotalTimeoutMultipler[CR Implies use old value]: ");
if ((scanfval = scanf("%d",&NewTimeout.WriteTotalTimeoutMultiplier)) == EOF) {
printf("All done\n");
exit(1);
} else if (!scanfval) {
NewTimeout.WriteTotalTimeoutMultiplier = ~0;
} else if (scanfval != 1) {
printf("Bad input\n");
break;
}
printf("WriteTotalTimeoutConstant[CR Implies use old value]: ");
if ((scanfval = scanf("%d",&NewTimeout.WriteTotalTimeoutConstant)) == EOF) {
printf("All done\n");
exit(1);
} else if (!scanfval) {
NewTimeout.WriteTotalTimeoutConstant = ~0;
} else if (scanfval != 1) {
printf("Bad input\n");
break;
}
printf("ReadIntervalTimeout: %d\n",NewTimeout.ReadIntervalTimeout);
printf("ReadTotalTimeoutMultiplier: %d\n",NewTimeout.ReadTotalTimeoutMultiplier);
printf("ReadTotalTimeoutConstant: %d\n",NewTimeout.ReadTotalTimeoutConstant);
printf("WriteTotalTimeoutMultipler: %d\n",NewTimeout.WriteTotalTimeoutMultiplier);
printf("WriteTotalTimeoutConstant: %d\n",NewTimeout.WriteTotalTimeoutConstant);
if (!SetCommTimeouts(
hFile,
&NewTimeout
)) {
printf("Error setting timeouts: %d\n",GetLastError());
}
break;
}
}
} else {
printf("Invalid Input\n");
}
}
} while (TRUE);
CloseHandle(hFile);
} else {
DWORD LastError;
LastError = GetLastError();
printf("Couldn't open the %s device.\n",MyPort);
printf("Status of failed open is: %x\n",LastError);
}
}