diff options
Diffstat (limited to 'fddnotify/fdd.c')
-rw-r--r-- | fddnotify/fdd.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/fddnotify/fdd.c b/fddnotify/fdd.c new file mode 100644 index 0000000..3d91b38 --- /dev/null +++ b/fddnotify/fdd.c @@ -0,0 +1,81 @@ +/*
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+*/
+
+#define WIN32_LEAN_AND_MEAN
+
+#include <windows.h>
+#include <winioctl.h>
+#include "porttalk_IOCTL.h"
+
+
+// Globals
+extern BOOL bWindowsNT;
+HANDLE hFddDev=INVALID_HANDLE_VALUE;
+
+
+void outportb(UINT portid, BYTE value)
+{
+ __asm mov edx,portid
+ __asm mov al,value
+ __asm out dx,al
+}
+
+BOOL OpenFddDevice(void)
+{
+ if (!bWindowsNT)
+ return TRUE;
+
+ if((hFddDev = CreateFile("\\\\.\\PortTalk", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE)
+ return FALSE;
+
+ return TRUE;
+}
+
+BOOL ToggleFddLight(BYTE drive, BYTE status)
+{
+ DWORD BytesReturned;
+ unsigned char Buffer[3];
+ unsigned short *pBuffer;
+ BYTE value = status<<(drive|4)|drive|12;
+
+ if (!bWindowsNT) {
+ outportb(0x3F2, value);
+ return TRUE;
+ }
+
+ if (hFddDev == INVALID_HANDLE_VALUE)
+ return FALSE;
+
+ pBuffer = (unsigned short *)&Buffer[0];
+ *pBuffer = 0x3F2;
+ Buffer[2] = (unsigned char)value;
+
+ if (!DeviceIoControl(hFddDev, IOCTL_WRITE_PORT_UCHAR, &Buffer, 3, NULL, 0, &BytesReturned, NULL))
+ return FALSE;
+
+ return TRUE;
+}
+
+void CloseFddDevice(void)
+{
+ if (!bWindowsNT)
+ return;
+
+ if (hFddDev != INVALID_HANDLE_VALUE)
+ CloseHandle(hFddDev);
+}
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