how to connect to my device?

In linux I was able to read what libusb was doing from dmesg.
I'm guessing in windows I will be able to do this through the Event Viewer?
In linux my one device gave a message like so in dmesg

usb 1-1: USB disconnect, address 2
ldusb 1-1:1.0: LD USB Device #0 now disconnected
usb 1-1: new low speed USB device using uhci_hcd and address 3
usb 1-1: configuration #1 chosen from 1 choice
ldusb 1-1:1.0: Interrupt out endpoint not found (using control endpoint instead)
ldusb 1-1:1.0: LD USB Device #0 now attached to major 180 minor 176

and I created a node like so

mknod /dev/gotemp c,u 180 176

What is the equivalent in windows?

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Re turn 0xFFFFFFEA when call usb_bulk_read

I used Borland C++ builder 6 to write a piece of code to communicate with a
usb device. Everything about initialization is ok, and sending data to
endpoint 1 is no problem. After that, when receiving data from endpoint 1,
the function usb_bulk_read returns 0xFFFFFFEA. what does it mean ? How to
fix it ? Thanks.
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Re: Re turn 0xFFFFFFEA when call usb_bulk_read

The problem has been fixed. I made a stupid mistake: the endpoint 0x81 was
replaced with 81.
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Re: Problem with DeviceIoControl

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Re: Problem with DeviceIoControl

These constants are defined in the Makefile. Just pass these constants
as command line arguments to your compiler if you're not using GCC.

Stephan

On 5/5/08, Taimoor Mirza <mooni_mirza <at> hotmail.com> wrote:
> Stephen,
>
> I tried to compile this windows.c with other files of libusb and I am
> getting following errors:
>
> 1>Compiling...
> 1>windows.c
> 1>.\windows.c(56) : error C2065: 'VERSION_MAJOR' : undeclared identifier
> 1>.\windows.c(56) : error C2099: initializer is not a constant
> 1>.\windows.c(57) : error C2065: 'VERSION_MINOR' : undeclared identifier
> 1>.\windows.c(57) : error C2099: initializer is not a constant
> 1>.\windows.c(58) : error C2065: 'VERSION_MICRO' : undeclared identifier
> 1>.\windows.c(58) : error C2099: initializer is not a constant
> 1>.\windows.c(59) : error C2065: 'VERSION_NANO' : undeclared identifier
> 1>.\windows.c(59) : error C2099: initializer is not a constant
> 1>.\windows.c(64) : error C2143: syntax error : missing ')' before '*'
> 1>.\windows.c(64) : error C2143: syntax error : missing '{' before '*'
> 1>.\windows.c(64) : error C2059: syntax error : 'type'
> 1>.\windows.c(66) : error C2059: syntax error : ')'
> 1>.\windows.c(67) : error C2143: syntax error : missing ')' before '*'
> 1>.\windows.c(67) : error C2143: syntax error : missing '{' before '*'
> 1>.\windows.c(67) : error C2059: syntax error : 'type'
> 1>.\windows.c(69) : error C2059: syntax error : ')'
> 1>.\windows.c(73) : error C2143: syntax error : missing ')' before '*'
> 1>.\windows.c(73) : error C2143: syntax error : missing '{' before '*'
> 1>.\windows.c(73) : error C2059: syntax error : 'type'
> 1>.\windows.c(73) : error C2059: syntax error : ')'
> 1>.\windows.c(121) : error C2143: syntax error : missing ')' before '*'
> 1>.\windows.c(121) : error C2143: syntax error : missing '{' before '*'
> 1>.\windows.c(121) : error C2059: syntax error : ')'
> 1>.\windows.c(122) : error C2054: expected '(' to follow 'dev'
> 1>.\windows.c(184) : error C2143: syntax error : missing ')' before '*'
> 1>.\windows.c(184) : error C2143: syntax error : missing '{' before '*'
> 1>.\windows.c(184) : error C2059: syntax error : ')'
> 1>.\windows.c(185) : error C2054: expected '(' to follow 'dev'
> 1>.\windows.c(202) : error C2143: syntax error : missing ')' before '*'
> 1>.\windows.c(202) : error C2143: syntax error : missing '{' before '*'
> 1>.\windows.c(202) : error C2059: syntax error : 'type'
> 1>.\windows.c(202) : error C2059: syntax error : ')'
> 1>.\windows.c(242) : error C2143: syntax error : missing ')' before '*'
> 1>.\windows.c(242) : error C2143: syntax error : missing '{' before '*'
> 1>.\windows.c(242) : error C2059: syntax error : 'type'
> 1>.\windows.c(242) : error C2059: syntax error : ')'
> 1>.\windows.c(281) : error C2143: syntax error : missing ')' before '*'
> 1>.\windows.c(281) : error C2143: syntax error : missing '{' before '*'
> 1>.\windows.c(281) : error C2059: syntax error : 'type'
> 1>.\windows.c(281) : error C2059: syntax error : ')'
> 1>.\windows.c(316) : error C2143: syntax error : missing ')' before '*'
> 1>.\windows.c(316) : error C2143: syntax error : missing '{' before '*'
> 1>.\windows.c(316) : error C2059: syntax error : 'type'
> 1>.\windows.c(316) : error C2059: syntax error : ')'
> 1>.\windows.c(359) : error C2143: syntax error : missing ')' before '*'
> 1>.\windows.c(359) : error C2143: syntax error : missing '{' before '*'
> 1>.\windows.c(359) : error C2059: syntax error : 'type'
> 1>.\windows.c(361) : error C2059: syntax error : ')'
> 1>.\windows.c(483) : error C2065: 'ETIMEDOUT' : undeclared identifier
> 1>.\windows.c(550) : error C2143: syntax error : missing ')' before '*'
> 1>.\windows.c(550) : error C2143: syntax error : missing '{' before '*'
> 1>.\windows.c(550) : error C2059: syntax error : 'type'
> 1>.\windows.c(552) : error C2059: syntax error : ')'
> 1>.\windows.c(596) : error C2143: syntax error : missing ')' before '*'
> 1>.\windows.c(596) : error C2143: syntax error : missing '{' before '*'
> 1>.\windows.c(596) : error C2059: syntax error : 'type'
> 1>.\windows.c(597) : error C2059: syntax error : ')'
> 1>.\windows.c(603) : error C2143: syntax error : missing ')' before '*'
> 1>.\windows.c(603) : error C2143: syntax error : missing '{' before '*'
> 1>.\windows.c(603) : error C2059: syntax error : 'type'
> 1>.\windows.c(604) : error C2059: syntax error : ')'
> 1>.\windows.c(610) : error C2143: syntax error : missing ')' before '*'
> 1>.\windows.c(610) : error C2143: syntax error : missing '{' before '*'
> 1>.\windows.c(610) : error C2059: syntax error : 'type'
> 1>.\windows.c(611) : error C2059: syntax error : ')'
> 1>.\windows.c(617) : error C2143: syntax error : missing ')' before '*'
> 1>.\windows.c(617) : error C2143: syntax error : missing '{' before '*'
> 1>.\windows.c(617) : error C2059: syntax error : 'type'
> 1>.\windows.c(618) : error C2059: syntax error : ')'
> 1>.\windows.c(624) : error C2143: syntax error : missing ')' before '*'
> 1>.\windows.c(624) : error C2143: syntax error : missing '{' before '*'
> 1>.\windows.c(624) : error C2059: syntax error : 'type'
> 1>.\windows.c(625) : error C2059: syntax error : ')'
> 1>.\windows.c(635) : error C2143: syntax error : missing ')' before '*'
> 1>.\windows.c(635) : error C2143: syntax error : missing '{' before '*'
> 1>.\windows.c(635) : error C2059: syntax error : 'type'
> 1>.\windows.c(635) : error C2059: syntax error : ')'
> 1>.\windows.c(645) : error C2143: syntax error : missing ')' before '*'
> 1>.\windows.c(645) : error C2143: syntax error : missing '{' before '*'
> 1>.\windows.c(645) : error C2059: syntax error : 'type'
> 1>.\windows.c(646) : error C2059: syntax error : ')'
> 1>.\windows.c(656) : error C2143: syntax error : missing ')' before '*'
> 1>.\windows.c(656) : error C2143: syntax error : missing '{' before '*'
> 1>.\windows.c(656) : error C2059: syntax error : 'type'
> 1>.\windows.c(657) : error C2059: syntax error : ')'
>
> Where is this VERSION_MAJOR and other macros are declared? Any idea?
>
> -Taimoor
>
>
> > Date: Wed, 30 Apr 2008 08:42:21 +0200
>
> > From: ste.meyer1 <at> googlemail.com
> > To: libusb-win32-devel <at> lists.sourceforge.net
> > Subject: Re: [Libusb-win32-devel] Problem with DeviceIoControl
> >
> > Please try the latest windows.c from the SVN
> >
> (http://libusb-win32.svn.sourceforge.net/viewvc/libusb-win32/trunk/libusb/src/)
> >
> > There had been some changes since the last release.
> >
> > Stephan
> >
> >
> >
> > On 4/30/08, Taimoor Mirza <mooni_mirza <at> hotmail.com> wrote:
> > > Well actually the problem that I am getting is the one I mentioned in
> last
> > > paragraph of my email i.e. I am actually trying to communicate with a
> > > printer device using libusb.lib and driver dll. I installed driver
> > > successfully and my testlibusb-win.exe is running fine.
> > >
> > > But the problem is that in my application when call usb_control_msg to
> send
> > > class specific request to get device ID of my printer device it returns
> -5.
> > >
> > > Parameters I am passing to this call are
> > > bmRequestType = 0xa1
> > > bRequest = 0x00 // Class specific request to get device Id
> > >
> > > Now I don't know why is it happening.I've used usb analyzer to check
> whether
> > > printer device is rejecting this request or something else. What I've
> found
> > > out is that usb_control_msg does not send this request to usb bus.
> > >
> > > I then thought to debug it myself........for that I took the source code
> of
> > > libusb and built my own library and dll....just to debug. But doing so I
> > > found out that I am getting error in DeviceIoControl method in
> > > usb_os_find_devices of windows.c.
> > >
> > > I hope you've got my point..........
> > >
> > > > Date: Tue, 29 Apr 2008 15:05:30 +0200
> > > > From: ste.meyer1 <at> googlemail.com
> > > > To: libusb-win32-devel <at> lists.sourceforge.net
> > > > Subject: Re: [Libusb-win32-devel] Problem with DeviceIoControl
> > >
> > > >
> > > > What is LIBUSB_IOCTL_GET_DEVICE_INFO?
> > > > Why aren't you using the DLL that comes with the driver?
> > > >
> > > >
> > > > On 4/29/08, Taimoor Mirza <mooni_mirza <at> hotmail.com> wrote:
> > > > > Hi all,
> > > > >
> > > > > I am trying to run my application for printer device. I've installed
> > > device
> > > > > driver for this device but I am getting a problem in my
> > > usb_os_find_devices
> > > > > method in windows.c . In this method my CreateFile runs successfully
> and
> > > > > returned me handle of device.
> > > > >
> > > > > But after that when DeviceIoControl method is called it fails. I've
> > > checked
> > > > > the error message using GetLastError and it is returning 87 means
> > > > > INVALID_PARAMETER. Below is code of usb_os_find_devices method
> > > > >
> > > > >
> > > > >
> > > > > handle = CreateFile(dev->filename, 0, 0, NULL, OPEN_EXISTING,
> > > > > FILE_ATTRIBUTE_NORMAL, NULL);
> > > > >
> > > > > if(handle == INVALID_HANDLE_VALUE)
> > > > > {
> > > > > free(dev);
> > > > > stat = GetLastError();
> > > > > continue;
> > > > > }
> > > > >
> > > > > if(!DeviceIoControl(handle, LIBUSB_IOCTL_GET_DEVICE_INFO,
> > > > > &req, sizeof(libusb_request),
> > > > > &req, sizeof(libusb_request),
> > > > > &ret, NULL))
> > > > > {
> > > > > USB_MESSAGE_STR(LIBUSB_DEBUG_ERR,
> "usb_os_find_devices:
> > > > > getting "
> > > > > "device info failed");
> > > > > CloseHandle(handle);
> > > > > stat = GetLastError();
> > > > >
> > > > > ...................
> > > > >
> > > > > Any clue? One more thing is that if I use libusb library then it
> does
> > > not
> > > > > give this problem. But in that case when I call usb_control_msg to
> send
> > > > > class specific request to get device ID of my printer device it
> returns
> > > -5.
> > > > > Parameters I am passing to this call are
> > > > > bmRequestType = 0xa1
> > > > > bRequest = 0x00 // Class specific request to get device Id
> > > > >
> > > > > -mooni
> > > > >
> > > > >
> > > > >
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> > > >
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Re: Problem with DeviceIoControl

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Re: Problem with DeviceIoControl

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An urgent query regarding LIBUSB

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Re: An urgent query regarding LIBUSB

On Tue, May 6, 2008 at 7:41 PM, Taimoor Mirza <mooni_mirza <at> hotmail.com> wrote:
>  Does LIBUSB support isochronous transfer? Which API should I use for this?
>

Yes, at least libusb-win32 does support isochronous transfer. I tried
it once but
I do not understand it well.

My example based on "copy and paste".
http://article.gmane.org/gmane.comp.lib.libusb.devel.windows/1439

libusb-0.1.x under Linux does not support isochronous transfer.
The new libubs-1.0 and openusb (both under development)
will support isochronous transfer under Linux.

Xiaofan
http://mcuee.blogspot.com

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Why do we need usb_set_configuration API

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