reactos/drivers/base/mpu401/test.c

   1 #include <stdio.h>
   2 #include <windows.h>
   3 #include <ntddk.h>
   4 #include "mpu401.h"
   5
   6 int main()
   7 {
   8 //    NTSTATUS s;
   9 //    PHANDLE Handle;
  10 //    PIO_STATUS_BLOCK Status;
  11     DWORD BytesReturned;
  12     BYTE Test[3]; // Will store MIDI data
  13     BYTE Notes[] = {50, 52, 54, 55, 57, 59, 61};
  14     HANDLE Device;
  15     UINT Note;
  16     UINT Junk;
  17
  18     printf("Test program for MPU401 driver\n");
  19
  20     Device = CreateFile("\\\\.\\MPU401_Out_0", GENERIC_READ | GENERIC_WRITE,
  21                         FILE_SHARE_READ | FILE_SHARE_WRITE,
  22                         NULL,
  23                         OPEN_EXISTING,
  24                         FILE_FLAG_NO_BUFFERING,
  25                         NULL);
  26
  27     if (Device == INVALID_HANDLE_VALUE)
  28     {
  29         printf("Device is busy or could not be found.\n");
  30         return -1;
  31     }
  32
  33     printf("Device is open, let's play some music...\n");
  34
  35         Test[0] = 0x90;
  36         Test[2] = 0x7f;
  37
  38     for (Note = 0; Note < sizeof(Notes); Note ++)
  39     {
  40         Test[1] = Notes[Note];
  41
  42     DeviceIoControl(
  43         Device,
  44         IOCTL_MIDI_PLAY,
  45         &Test,
  46         sizeof(Test),
  47         NULL,
  48         0,
  49         &BytesReturned,
  50         NULL
  51         );
  52
  53         for (Junk = 0; Junk < 100000; Junk ++);   // Pause
  54     }
  55
  56
  57 /*    s = IoCreateFile(Handle, GENERIC_READ | GENERIC_WRITE,
  58                      OBJ_KERNEL_HANDLE,
  59                      Status,
  60                      0,
  61                      FILE_SHARE_READ | FILE_SHARE_WRITE,
  62                      FILE_OPEN,
  63                      FILE_NON_DIRECTORY_FILE,
  64                      NULL,
  65                      0,
  66                      CreateFileTypeNone,
  67                      NULL,
  68                      0);
  69 */
  70 }