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[MSPORTS]

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- Try to read the PortName registry value and get the port number from the name.
- Determine the port number for parallel ports the same way we determine the port number for serial ports, except for the use of the com port database.

svn path=/trunk/; revision=51935
This commit is contained in:
Eric Kohl 2011-05-26 21:20:06 +00:00
parent 1a05e28243
commit 00aee505e3
1 changed files with 112 additions and 11 deletions
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123
reactos/dll/win32/msports/classinst.c
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@ -24,6 +24,9 @@ typedef enum _PORT_TYPE
SerialPort
} PORT_TYPE;
LPWSTR pszCom = L"COM";
LPWSTR pszLpt = L"LPT";
BOOL
GetBootResourceList(HDEVINFO DeviceInfoSet,
@ -243,10 +246,12 @@ InstallSerialPort(IN HDEVINFO DeviceInfoSet,
{
WCHAR szDeviceDescription[256];
WCHAR szFriendlyName[256];
WCHAR szPortName[5];
DWORD dwPortNumber;
WCHAR szPortName[8];
DWORD dwPortNumber = 0;
DWORD dwSize;
HCOMDB hComDB = HCOMDB_INVALID_HANDLE_VALUE;
HKEY hKey;
LONG lError;
TRACE("InstallSerialPort(%p, %p)\n",
DeviceInfoSet, DeviceInfoData);
@ -254,9 +259,40 @@ InstallSerialPort(IN HDEVINFO DeviceInfoSet,
/* Open the com port database */
ComDBOpen(&hComDB);
/* Try to read the 'PortName' value and determine the port number */
hKey = SetupDiCreateDevRegKeyW(DeviceInfoSet,
DeviceInfoData,
DICS_FLAG_GLOBAL,
0,
DIREG_DEV,
NULL,
NULL);
if (hKey != INVALID_HANDLE_VALUE)
{
dwSize = sizeof(szPortName);
lError = RegQueryValueEx(hKey,
L"PortName",
NULL,
NULL,
(PBYTE)szPortName,
&dwSize);
if (lError == ERROR_SUCCESS)
{
if (_wcsnicmp(szPortName, pszCom, wcslen(pszCom)) == 0)
{
dwPortNumber = _wtoi(szPortName + wcslen(pszCom));
TRACE("COM port number found: %lu\n", dwPortNumber);
}
}
RegCloseKey(hKey);
}
/* Determine the port number from its resources ... */
dwPortNumber = GetSerialPortNumber(DeviceInfoSet,
DeviceInfoData);
if (dwPortNumber == 0)
dwPortNumber = GetSerialPortNumber(DeviceInfoSet,
DeviceInfoData);
if (dwPortNumber != 0)
{
/* ... and claim the port number in the database */
@ -273,7 +309,7 @@ InstallSerialPort(IN HDEVINFO DeviceInfoSet,
}
/* Build the name of the port device */
swprintf(szPortName, L"COM%u", dwPortNumber);
swprintf(szPortName, L"%s%u", pszCom, dwPortNumber);
/* Close the com port database */
if (hComDB != HCOMDB_INVALID_HANDLE_VALUE)
@ -346,23 +382,85 @@ InstallParallelPort(IN HDEVINFO DeviceInfoSet,
{
WCHAR szDeviceDescription[256];
WCHAR szFriendlyName[256];
WCHAR szPortName[5];
DWORD dwPortNumber;
WCHAR szPortName[8];
DWORD dwPortNumber = 0;
DWORD dwSize;
LONG lError;
HKEY hKey;
TRACE("InstallParallelPort(%p, %p)\n",
DeviceInfoSet, DeviceInfoData);
dwPortNumber = GetParallelPortNumber(DeviceInfoSet,
DeviceInfoData);
/* Try to read the 'PortName' value and determine the port number */
hKey = SetupDiCreateDevRegKeyW(DeviceInfoSet,
DeviceInfoData,
DICS_FLAG_GLOBAL,
0,
DIREG_DEV,
NULL,
NULL);
if (hKey != INVALID_HANDLE_VALUE)
{
dwSize = sizeof(szPortName);
lError = RegQueryValueEx(hKey,
L"PortName",
NULL,
NULL,
(PBYTE)szPortName,
&dwSize);
if (lError == ERROR_SUCCESS)
{
if (_wcsnicmp(szPortName, pszLpt, wcslen(pszLpt)) == 0)
{
dwPortNumber = _wtoi(szPortName + wcslen(pszLpt));
TRACE("LPT port number found: %lu\n", dwPortNumber);
}
}
RegCloseKey(hKey);
}
/* ... try to determine the port number from its resources */
if (dwPortNumber == 0)
dwPortNumber = GetParallelPortNumber(DeviceInfoSet,
DeviceInfoData);
if (dwPortNumber == 0)
{
/* FIXME */
}
if (dwPortNumber != 0)
{
swprintf(szPortName, L"LPT%u", dwPortNumber);
swprintf(szPortName, L"%s%u", pszLpt, dwPortNumber);
}
else
{
wcscpy(szPortName, L"LPTx");
}
if (dwPortNumber != 0)
{
/* Set the 'PortName' value */
hKey = SetupDiCreateDevRegKeyW(DeviceInfoSet,
DeviceInfoData,
DICS_FLAG_GLOBAL,
0,
DIREG_DEV,
NULL,
NULL);
if (hKey != INVALID_HANDLE_VALUE)
{
RegSetValueExW(hKey,
L"PortName",
0,
REG_SZ,
(LPBYTE)szPortName,
(wcslen(szPortName) + 1) * sizeof(WCHAR));
RegCloseKey(hKey);
}
}
/* Install the device */
if (!SetupDiInstallDevice(DeviceInfoSet,
@ -371,6 +469,7 @@ InstallParallelPort(IN HDEVINFO DeviceInfoSet,
return GetLastError();
}
/* Get the device description... */
if (SetupDiGetDeviceRegistryPropertyW(DeviceInfoSet,
DeviceInfoData,
SPDRP_DEVICEDESC,
@ -379,6 +478,7 @@ InstallParallelPort(IN HDEVINFO DeviceInfoSet,
256 * sizeof(WCHAR),
NULL))
{
/* ... and use it to build a new friendly name */
swprintf(szFriendlyName,
L"%s (%s)",
szDeviceDescription,
@ -386,8 +486,9 @@ InstallParallelPort(IN HDEVINFO DeviceInfoSet,
}
else
{
/* ... or build a generic friendly name */
swprintf(szFriendlyName,
L"Serial Port (%s)",
L"Parallel Port (%s)",
szPortName);
}