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71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
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#include <stdio.h>
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#include <windows.h>
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#include <ntddk.h>
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#include "mpu401.h"
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int main()
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{
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// NTSTATUS s;
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// PHANDLE Handle;
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// PIO_STATUS_BLOCK Status;
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DWORD BytesReturned;
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BYTE Test[3]; // Will store MIDI data
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BYTE Notes[] = {50, 52, 54, 55, 57, 59, 61};
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HANDLE Device;
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UINT Note;
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UINT Junk;
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printf("Test program for MPU401 driver\n");
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Device = CreateFile("\\\\.\\MPU401_Out_0", GENERIC_READ | GENERIC_WRITE,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL,
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OPEN_EXISTING,
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FILE_FLAG_NO_BUFFERING,
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NULL);
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if (Device == INVALID_HANDLE_VALUE)
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{
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printf("Device is busy or could not be found.\n");
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return -1;
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}
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printf("Device is open, let's play some music...\n");
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Test[0] = 0x90;
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Test[2] = 0x7f;
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for (Note = 0; Note < sizeof(Notes); Note ++)
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{
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Test[1] = Notes[Note];
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DeviceIoControl(
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Device,
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IOCTL_MIDI_PLAY,
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&Test,
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sizeof(Test),
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NULL,
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0,
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&BytesReturned,
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NULL
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);
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for (Junk = 0; Junk < 100000; Junk ++); // Pause
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}
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/* s = IoCreateFile(Handle, GENERIC_READ | GENERIC_WRITE,
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OBJ_KERNEL_HANDLE,
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Status,
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0,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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FILE_OPEN,
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FILE_NON_DIRECTORY_FILE,
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NULL,
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0,
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CreateFileTypeNone,
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NULL,
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0);
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*/
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}
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