Please use a valid tag next time. Thanks.

On Dec 9, 2007 7:26 PM, Robin Abbott <robin.abbott@fored.co.uk> wrote:
> Does anyone know if Mchip have updated their serial driver for CDC under USB
> for VISTA, I must admit I can't find it on the site.


Microchip is using the standard CDC driver from Windows (Win2k/XP/Vista).
The issue has been solved quite some time ago with updated INF files.

If you install the latest USB stack, the INF file has been updated to support
Vista.

mcuee@ubuntu710:/media/sda1/MCHPFSUSB/fw/Cdc/inf/win2k_winxp_winvista32$ ls
mchpcdc.inf

mcuee@ubuntu710:/media/sda1/MCHPFSUSB/fw/Cdc/inf/win2k_winxp_winvista32$
cat mchpcdc.inf

; Windows USB CDC ACM Setup File
; Copyright (c) 2000 Microsoft Corporation
; Copyright (C) 2007 Microchip Technology Inc.

[Version]
Signature="$Windows NT$"
Class=Ports
ClassGuid={4D36E978-E325-11CE-BFC1-08002BE10318}
Provider=%MCHP%
LayoutFile=layout.inf
DriverVer=08/18/2001,5.1.2600.0

[Manufacturer]
%MFGNAME%=DeviceList

[DestinationDirs]
DefaultDestDir=12

[SourceDisksFiles]

[SourceDisksNames]

[DeviceList]
; When developing your custom USB device, the VID and PID used in the PC side
; application program and the firmware on the microcontroller must match.
; Modify the below line to use your VID and PID.  Use the format as shown below.
; Note: One INF file can be used for multiple devices with different
VID and PIDs.
; For each supported device, append ",USB\VID_xxxx&PID_yyyy" to the
end of the line.

%DESCRIPTION%=DriverInstall, USB\VID_04D8&PID_000A

;------------------------------------------------------------------------------
;  Windows 2000/XP/Vista-32bit Sections
;------------------------------------------------------------------------------

[DriverInstall.nt]
include=mdmcpq.inf
CopyFiles=DriverCopyFiles
AddReg=DriverInstall.nt.AddReg

[DriverCopyFiles]
usbser.sys,,,0x20

[DriverInstall.nt.AddReg]
HKR,,DevLoader,,*ntkern
HKR,,NTMPDriver,,usbser.sys
HKR,,EnumPropPages32,,"MsPorts.dll,SerialPortPropPageProvider"

[DriverInstall.nt.Services]
AddService=usbser, 0x00000002, DriverService

[DriverService]
DisplayName=%SERVICE%
ServiceType=1
StartType=3
ErrorControl=1
ServiceBinary=%12%\usbser.sys

;------------------------------------------------------------------------------
;  String Definitions
;------------------------------------------------------------------------------

[Strings]
MCHP="Microchip Technology Inc."
MFGNAME="Microchip Technology Inc."
DESCRIPTION="Communications Port"
SERVICE="USB RS-232 Emulation Driver"



Xiaofan
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