 |
|
Re:Windows not recognizing
|
|
Date: 2006/04/05 17:26
|
By: Mat
|
Status: Admin
|
|
|
Karma: 7
|
|
| Posts: 211 |  |
|
|
If its stopping working when your hand is going near it, it is most likely a static problem, check the usb connection between the cable and pic is relatively short, and that all pins which shouls be connect are, its most likely a floating pin is being affected by your hand 
Mat
|
|
|
|
|
|
Re:Windows not recognizing
|
|
Date: 2006/04/06 11:04
|
By: Minh Thanh
|
Status: Visitor
|
|
|
|
|
|
|
Yeah, it's working now. Thanks for your advice. But i think you should place a comment in your tut that "USB is very sensivity, so in your board the USB header must be as musch as nearest from the PIC".
Thanks again. ^_^
|
|
|
|
|
|
Re:Windows not recognizing
|
|
Date: 2006/04/06 11:13
|
By: Mat
|
Status: Admin
|
|
|
Karma: 7
|
|
| Posts: 211 | |
|
|
|
Glad to hear it! It was just a sudden thought i had last night, i will update the article accordingly. Mat
|
|
|
|
|
|
Re:Windows not recognizing
|
|
Date: 2006/04/06 13:36
|
By: Minh Thanh
|
Status: Visitor
|
|
|
|
|
|
|
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.
|
|
|
|
|
|
Re:Windows not recognizing
|
|
Date: 2006/04/06 13:50
|
By: Mat
|
Status: Admin
|
|
|
Karma: 7
|
|
| Posts: 211 | |
|
|
Hi, Sorry im no expert on VB.net, I am hoping to write an interface for it shortly , at the moment this may be useful for you.
Mat
|
|
|
|
|
|
Re:Windows not recognizing
|
|
Date: 2006/04/06 15:09
|
By: Minh Thanh
|
Status: Visitor
|
|
|
|
|
|
|
Oh it don't work. VB6.0 says about calling convention, and they example is not accessible. But i will try with google.
Thanks again. I will post later when i finish an interface with VB.NET
|
|
|
|
|
|
Re:Windows not recognizing
|
|
Date: 2006/04/06 15:18
|
By: Mat
|
Status: Admin
|
|
|
Karma: 7
|
|
| Posts: 211 | |
|
|
Good luck with it. You could always write an article on it 
Mat
|
|
|
|
|
|
Re:Windows not recognizing
|
|
Date: 2006/04/07 02:59
|
By: Minh Thanh
|
Status: Visitor
|
|
|
|
|
|
|
Yeah, at last i've solved the problem. A bit stupid i am with VB.NET. But with VB6 the compiled DLL of microchip does not work. So i have modified it a liitle.
And now everything ok. I would like to include my code in your arctile, because i've found many guys had the same problem with me.
Thanks again.
|
|
|
|
|
|
Re:Windows not recognizing
|
|
Date: 2006/04/07 08:10
|
By: Mat
|
Status: Admin
|
|
|
Karma: 7
|
|
| Posts: 211 | |
|
|
|
Great email me the code, (mat at piccoder dot co dot uk) and ill include it, or write another short article on using vb.net.Thanks a lot Mat
|
|
|
|
|
|
Re:Windows not recognizing
|
|
Date: 2006/06/17 16:07
|
By: majestrix
|
Status: User
|
|
|
Karma: 0
|
|
| Posts: 29 |  |
|
|
i'm having the same prob with vb.net.. i dont know which .dll to use now..??  ...ummm, Mat, u wrote that article on solving this prob..?? if so pls direct me there. or else, may i know how the problem is solved and it would be great if i get the dll (my email is hasan_mg@hotmail.com)
thanks.
|
|
|
|
|
|
Re:Windows not recognizing .dll
|
|
Date: 2006/06/25 15:50
|
By: recursos
|
Status: Visitor
|
|
|
|
|
|
|
Me too, I got stuck with Visual C# 2005 Express and "mpusbapi.dll"
(see my post:
my post in "articles")
did you find how to add a reference the "mpusbapi.dll"?
Rec
Post edited by: mat, at: 2006/06/26 14:29
|
|
|
|
