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Re:Windows not recognizing
Date: 2008/07/15 13:10 By: dat Status: Visitor  
 
Minh Thanh wrote:
I try to declare MPUSBAPI in VB 2005 express, but ive found this declaration did not work:

Public Const VID_PID_NORM = "vid_04d8&pid_000c"
Public Const VID_PID_BOOT = "vid_04d8&pid_000b"
Public Const END_POINT = "MCHP_EP1"

Declare Ansi Function MPUSBOpen Lib "MPUSBAPI.DLL" Alias "_MPUSBOpen" (ByVal DeviceInstance As UInteger, ByVal VID_PID As String, ByVal EndPoint As String, ByVal Direction As UInteger, ByVal Reserved As UInteger) As UInteger

and then i call:

OutPipe = MPUSBOpen(0, VID_PID_NORM, END_POINT, 1, 0)

It does not work because OutPipe = 0xffffffff (INVALID_HANDLE_VALUE)

so i think my declaration was wrong. I successully call MPUSBGetDeviceCount
It return 1 or 0 when i plug or unplug the board.

Sorry if i post this at wrong thread.
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Windows not recognizing
Drake 2006/03/03 23:44
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Mat 2006/03/04 00:19
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Drake 2006/03/04 03:44
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Mat 2006/03/04 12:03
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Drake 2006/03/04 14:36
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Mat 2006/03/04 17:16
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Drake 2006/03/05 01:10
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Mat 2006/03/05 12:13
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Drake 2006/03/05 19:05
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Mat 2006/03/05 21:10
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Drake 2006/03/05 22:16
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Mat 2006/03/05 22:28
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Drake 2006/03/05 23:27
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Mat 2006/03/05 23:53
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Drake 2006/03/06 00:00
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Mat 2006/03/06 00:06
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Minh Thanh 2006/04/05 13:28
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Minh Thanh 2006/04/05 13:30
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Minh Thanh 2006/04/05 13:33
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Minh Thanh 2006/04/05 13:56
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Mat 2006/04/05 15:12
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Minh Thanh 2006/04/05 15:25
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Mat 2006/04/05 17:26
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Minh Thanh 2006/04/06 11:04
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Mat 2006/04/06 11:13
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Minh Thanh 2006/04/06 13:36
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Mat 2006/04/06 13:50
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Minh Thanh 2006/04/06 15:09
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Mat 2006/04/06 15:18
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Minh Thanh 2006/04/07 02:59
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Mat 2006/04/07 08:10
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majestrix 2006/06/17 16:07
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recursos 2006/06/25 15:50
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Mat 2006/06/26 13:23
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dat 2008/07/15 13:10
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