reactos/drivers/multimedia/audio/mpu401_nt4/test.c

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