f71b6b46e8
- fixed invalid, missing or additional arguments - removed all type casts from arguments - added missing (void*) typecasts for %p arguments - use inttypes defines where appropriate
150 lines
4.0 KiB
C
150 lines
4.0 KiB
C
/**
|
|
* WinPR: Windows Portable Runtime
|
|
* Serial Communication API
|
|
*
|
|
* Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
|
|
* 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 <sys/stat.h>
|
|
|
|
#include <winpr/crt.h>
|
|
#include <winpr/comm.h>
|
|
#include <winpr/file.h>
|
|
#include <winpr/synch.h>
|
|
#include <winpr/handle.h>
|
|
|
|
int TestCommConfig(int argc, char* argv[])
|
|
{
|
|
DCB dcb;
|
|
HANDLE hComm;
|
|
BOOL success;
|
|
LPCSTR lpFileName = "\\\\.\\COM1";
|
|
COMMPROP commProp;
|
|
struct stat statbuf;
|
|
|
|
hComm = CreateFileA(lpFileName,
|
|
GENERIC_READ | GENERIC_WRITE,
|
|
0, NULL, OPEN_EXISTING, 0, NULL);
|
|
|
|
if (hComm && (hComm != INVALID_HANDLE_VALUE))
|
|
{
|
|
fprintf(stderr, "CreateFileA failure: could create a handle on a not yet defined device: %s\n", lpFileName);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if (stat("/dev/ttyS0", &statbuf) < 0)
|
|
{
|
|
fprintf(stderr, "/dev/ttyS0 not available, making the test to succeed though\n");
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
success = DefineCommDevice(lpFileName, "/dev/ttyS0");
|
|
if(!success)
|
|
{
|
|
fprintf(stderr, "DefineCommDevice failure: %s\n", lpFileName);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
hComm = CreateFileA(lpFileName,
|
|
GENERIC_READ | GENERIC_WRITE,
|
|
FILE_SHARE_WRITE, /* invalid parmaeter */
|
|
NULL,
|
|
CREATE_NEW, /* invalid parameter */
|
|
0,
|
|
(HANDLE)1234); /* invalid parmaeter */
|
|
if (hComm != INVALID_HANDLE_VALUE)
|
|
{
|
|
fprintf(stderr, "CreateFileA failure: could create a handle with some invalid parameters %s\n", lpFileName);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
|
|
hComm = CreateFileA(lpFileName,
|
|
GENERIC_READ | GENERIC_WRITE,
|
|
0, NULL, OPEN_EXISTING, 0, NULL);
|
|
|
|
if (!hComm || (hComm == INVALID_HANDLE_VALUE))
|
|
{
|
|
fprintf(stderr, "CreateFileA failure: %s GetLastError() = 0x%08x\n", lpFileName, GetLastError());
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
/* TODO: a second call to CreateFileA should failed and
|
|
* GetLastError should return ERROR_SHARING_VIOLATION */
|
|
|
|
ZeroMemory(&dcb, sizeof(DCB));
|
|
dcb.DCBlength = sizeof(DCB);
|
|
success = GetCommState(hComm, &dcb);
|
|
if (!success)
|
|
{
|
|
fprintf(stderr, "GetCommState failure: GetLastError() = Ox%x\n", GetLastError());
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
fprintf(stderr, "BaudRate: %"PRIu32" ByteSize: %"PRIu8" Parity: %"PRIu8" StopBits: %"PRIu8"\n",
|
|
dcb.BaudRate, dcb.ByteSize, dcb.Parity, dcb.StopBits);
|
|
|
|
ZeroMemory(&commProp, sizeof(COMMPROP));
|
|
if (!GetCommProperties(hComm, &commProp))
|
|
{
|
|
fprintf(stderr, "GetCommProperties failure: GetLastError(): 0x%08x\n", GetLastError());
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if ((commProp.dwSettableBaud & BAUD_57600) <= 0)
|
|
{
|
|
fprintf(stderr, "BAUD_57600 unsupported!\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if ((commProp.dwSettableBaud & BAUD_14400) > 0)
|
|
{
|
|
fprintf(stderr, "BAUD_14400 supported!\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
dcb.BaudRate = CBR_57600;
|
|
dcb.ByteSize = 8;
|
|
dcb.Parity = NOPARITY;
|
|
dcb.StopBits = ONESTOPBIT;
|
|
|
|
success = SetCommState(hComm, &dcb);
|
|
|
|
if (!success)
|
|
{
|
|
fprintf(stderr, "SetCommState failure: GetLastError() = 0x%x\n", GetLastError());
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
success = GetCommState(hComm, &dcb);
|
|
|
|
if (!success)
|
|
{
|
|
fprintf(stderr, "GetCommState failure: GetLastError() = 0x%x\n", GetLastError());
|
|
return 0;
|
|
}
|
|
|
|
if ((dcb.BaudRate != CBR_57600) || (dcb.ByteSize != 8) || (dcb.Parity != NOPARITY) || (dcb.StopBits != ONESTOPBIT))
|
|
{
|
|
fprintf(stderr, "Got an unexpeted value among: BaudRate: %"PRIu32" ByteSize: %"PRIu8" Parity: %"PRIu8" StopBits: %"PRIu8"\n",
|
|
dcb.BaudRate, dcb.ByteSize, dcb.Parity, dcb.StopBits);
|
|
}
|
|
|
|
CloseHandle(hComm);
|
|
|
|
return 0;
|
|
}
|