freerdp/winpr/libwinpr/comm/test/TestControlSettings.c

124 lines
2.9 KiB
C

/**
* WinPR: Windows Portable Runtime
* Serial Communication API
*
* Copyright 2014 Hewlett-Packard Development Company, L.P.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <sys/stat.h>
#include <winpr/comm.h>
#include <winpr/crt.h>
#include "../comm.h"
int TestControlSettings(int argc, char* argv[])
{
struct stat statbuf;
BOOL result;
HANDLE hComm;
DCB dcb;
if (stat("/dev/ttyS0", &statbuf) < 0)
{
fprintf(stderr, "/dev/ttyS0 not available, making the test to succeed though\n");
return EXIT_SUCCESS;
}
result = DefineCommDevice("COM1", "/dev/ttyS0");
if (!result)
{
fprintf(stderr, "DefineCommDevice failure: 0x%x\n", GetLastError());
return EXIT_FAILURE;
}
hComm = CreateFile("COM1", GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
if (hComm == INVALID_HANDLE_VALUE)
{
fprintf(stderr, "CreateFileA failure: 0x%x\n", GetLastError());
return EXIT_FAILURE;
}
ZeroMemory(&dcb, sizeof(DCB));
dcb.DCBlength = sizeof(DCB);
if (!GetCommState(hComm, &dcb))
{
fprintf(stderr, "GetCommState failure; GetLastError(): %08x\n", GetLastError());
return FALSE;
}
/* Test 1 */
dcb.ByteSize = 5;
dcb.StopBits = ONESTOPBIT;
dcb.Parity = MARKPARITY;
if (!SetCommState(hComm, &dcb))
{
fprintf(stderr, "SetCommState failure; GetLastError(): %08x\n", GetLastError());
return FALSE;
}
ZeroMemory(&dcb, sizeof(DCB));
dcb.DCBlength = sizeof(DCB);
if (!GetCommState(hComm, &dcb))
{
fprintf(stderr, "GetCommState failure; GetLastError(): %08x\n", GetLastError());
return FALSE;
}
if ((dcb.ByteSize != 5) || (dcb.StopBits != ONESTOPBIT) || (dcb.Parity != MARKPARITY))
{
fprintf(stderr, "test1 failed.\n");
return FALSE;
}
/* Test 2 */
dcb.ByteSize = 8;
dcb.StopBits = ONESTOPBIT;
dcb.Parity = NOPARITY;
if (!SetCommState(hComm, &dcb))
{
fprintf(stderr, "SetCommState failure; GetLastError(): %08x\n", GetLastError());
return FALSE;
}
ZeroMemory(&dcb, sizeof(DCB));
dcb.DCBlength = sizeof(DCB);
if (!GetCommState(hComm, &dcb))
{
fprintf(stderr, "GetCommState failure; GetLastError(): %08x\n", GetLastError());
return FALSE;
}
if ((dcb.ByteSize != 8) || (dcb.StopBits != ONESTOPBIT) || (dcb.Parity != NOPARITY))
{
fprintf(stderr, "test2 failed.\n");
return FALSE;
}
if (!CloseHandle(hComm))
{
fprintf(stderr, "CloseHandle failure, GetLastError()=%08x\n", GetLastError());
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}