Re: [pyusb-users] Using Pyusb to control a USB to Parallel converter

2011-07-11 Thread wander.lairson
If the device is a USB -> parallel converter, it should behave like a parallel port, so why don't try to use it as a parallel port? 2011/7/8 Emilio Bellini : > Hi all, > I'm sorry if this is a stupid question. > I want to control a circuit, which has 8 relè, and I want to switch them > on/off via

[pyusb-users] Using Pyusb to control a USB to Parallel converter

2011-07-08 Thread Emilio Bellini
Hi all, I'm sorry if this is a stupid question. I want to control a circuit, which has 8 relè, and I want to switch them on/off via software. Originally my idea was to control it using a parallel port, but my laptop hasn't it. So, I'm trying to use an USB port with an USB to Parallel converter. I c

Re: [pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-12 Thread wander.lairson
2011/1/11 Xiaofan Chen : > On Mon, Jan 10, 2011 at 9:24 PM, wander.lairson > wrote: >> 2011/1/10 Xiaofan Chen : >>> On Mon, Jan 10, 2011 at 8:41 PM, Xiaofan Chen wrote: >>> It seems my Cygwin Ctypes does not have WinDLL. I am not so sure if this is the problem. Last time I rebuilt

Re: [pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-11 Thread Xiaofan Chen
On Mon, Jan 10, 2011 at 9:24 PM, wander.lairson wrote: > 2011/1/10 Xiaofan Chen : >> On Mon, Jan 10, 2011 at 8:41 PM, Xiaofan Chen wrote: >> >>> It seems my Cygwin Ctypes does not have WinDLL. >>> I am not so sure if this is the problem. Last time I >>> rebuilt libusb-1.0 using cdecl, now it only

Re: [pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-10 Thread Xiaofan Chen
On Wed, Jan 5, 2011 at 11:40 PM, Xiaofan Chen wrote: > On Wed, Jan 5, 2011 at 10:45 PM, Emmanuel Blot wrote: >> I've copied >>   \libusb_2010.12.10\MS64\dll\libusb-1.0.dll into System32, and >>   \libusb_2010.12.10\MS32\dll\libusb-1.0.dll into SystemWOW64. >> Am I right or should I move the DLL e

Re: [pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-10 Thread Xiaofan Chen
On Mon, Jan 10, 2011 at 9:19 PM, Xiaofan Chen wrote: > On Mon, Jan 10, 2011 at 8:41 PM, Xiaofan Chen wrote: > >> It seems my Cygwin Ctypes does not have WinDLL. >> I am not so sure if this is the problem. Last time I >> rebuilt libusb-1.0 using cdecl, now it only supports >> stdcall under Windows

Re: [pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-10 Thread Xiaofan Chen
On Mon, Jan 10, 2011 at 9:24 PM, wander.lairson wrote: > 2011/1/10 Xiaofan Chen : >> On Mon, Jan 10, 2011 at 8:41 PM, Xiaofan Chen wrote: >> >>> It seems my Cygwin Ctypes does not have WinDLL. >>> I am not so sure if this is the problem. Last time I >>> rebuilt libusb-1.0 using cdecl, now it only

Re: [pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-10 Thread wander.lairson
2011/1/10 Xiaofan Chen : > On Mon, Jan 10, 2011 at 8:41 PM, Xiaofan Chen wrote: > >> It seems my Cygwin Ctypes does not have WinDLL. >> I am not so sure if this is the problem. Last time I >> rebuilt libusb-1.0 using cdecl, now it only supports >> stdcall under Windows. >> > > It is indeed true un

Re: [pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-10 Thread Xiaofan Chen
On Mon, Jan 10, 2011 at 8:41 PM, Xiaofan Chen wrote: > It seems my Cygwin Ctypes does not have WinDLL. > I am not so sure if this is the problem. Last time I > rebuilt libusb-1.0 using cdecl, now it only supports > stdcall under Windows. > It is indeed true under Cygwin. mc...@mcuee-pc-win7 ~ $

Re: [pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-10 Thread Xiaofan Chen
On Wed, Jan 5, 2011 at 9:30 PM, Xiaofan Chen wrote: > Plain Python 2.6 Windows works fine. > Here is a run log under Windows 7 32bit. The firmware used is Jan Axelson's Generic HID example. The firmware loops back the HID input and output report. D:\work\pyusb\pyusb>d:\Python26\python.exe Python

Re: [pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-10 Thread Xiaofan Chen
On Sat, Jan 8, 2011 at 10:04 PM, wander.lairson wrote: > Revision 89 fixed libusb-win32 under cygwin. I still have problems > with libusb-1.0 official cygwin build, it feels like there is no > symbol exported: > > $ objdump.exe -T /usr/bin/cygusb-1.0.dll > > /usr/bin/cygusb-1.0.dll:     file form

Re: [pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-08 Thread wander.lairson
2011/1/5 Xiaofan Chen : > On Wed, Jan 5, 2011 at 5:21 PM, wander.lairson > wrote: >> Cygwin is still unsupported. I've given just a shallow look on Cygwin, >> but it feels like it just has the static versions of libusb 1.0 and >> libusb-win32. > > Once upon a time, I got Cygwin to work with pyusb

Re: [pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-05 Thread Xiaofan Chen
On Wed, Jan 5, 2011 at 10:45 PM, Emmanuel Blot wrote: > I've copied >   \libusb_2010.12.10\MS64\dll\libusb-1.0.dll into System32, and >   \libusb_2010.12.10\MS32\dll\libusb-1.0.dll into SystemWOW64. > Am I right or should I move the DLL elsewhere ? This is correct. > I still get the following er

Re: [pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-05 Thread Emmanuel Blot
> Plain Python 2.6 Windows works fine. I've installed the driver with Zadig for the USB device, which is connected. Before copying the DLL, I got the "No backend available" error, so I guess that now the DLL is found. I've copied \libusb_2010.12.10\MS64\dll\libusb-1.0.dll into System32, and

Re: [pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-05 Thread Xiaofan Chen
On Wed, Jan 5, 2011 at 5:21 PM, wander.lairson wrote: > Cygwin is still unsupported. I've given just a shallow look on Cygwin, > but it feels like it just has the static versions of libusb 1.0 and > libusb-win32. Once upon a time, I got Cygwin to work with pyusb and libusb-1.0 (build it from sour

Re: [pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-05 Thread Emmanuel Blot
> So, maybe it is just a matter of adding /usr/bin for library search > path. Going to check that when have some time... AFAICT from my yesterday unsuccessful attempts, ctypes (cygwin / Python 2.6.5) automatically find the cygusb-1.0.*dll libraries from /usr/bin, the dedicated "cygwin" case in pyu

Re: [pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-05 Thread wander.lairson
2011/1/5 Emmanuel Blot : >> Cygwin is still unsupported. I've given just a shallow look on Cygwin, >> but it feels like it just has the static versions of libusb 1.0 and >> libusb-win32. > > The dynamic libraries (cygusb*.dll) are located in /usr/bin/, not in /usr/lib/ > http://cygwin.com/packages/

Re: [pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-05 Thread Emmanuel Blot
> Cygwin is still unsupported. I've given just a shallow look on Cygwin, > but it feels like it just has the static versions of libusb 1.0 and > libusb-win32. The dynamic libraries (cygusb*.dll) are located in /usr/bin/, not in /usr/lib/ http://cygwin.com/packages/libusb1.0/libusb1.0-1.0.7+gitbd62

Re: [pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-05 Thread wander.lairson
2011/1/4 Emmanuel Blot : >> libusb 1.0 uses WinUSB, which I am not sure is >> available in Windows XP (I guess so, you might find some info in the >> libusb.org website) > > It seems it is supported since WinXP SP2: >  http://msdn.microsoft.com/en-us/library/ff540196.aspx > but some specific files

Re: [pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-04 Thread Xiaofan Chen
On Wed, Jan 5, 2011 at 3:19 AM, Emmanuel Blot wrote: >> Anyway, you have to install the device driver for your peripheral. > > This is what I did: I've installed the D2XX Windows drivers (latest > release) available from the FTDI web site. > My understanding is that for libusb-1.0 at least, if the

Re: [pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-04 Thread Emmanuel Blot
> libusb 1.0 uses WinUSB, which I am not sure is > available in Windows XP (I guess so, you might find some info in the > libusb.org website) It seems it is supported since WinXP SP2: http://msdn.microsoft.com/en-us/library/ff540196.aspx but some specific files need to be installed. I missed thi

Re: [pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-04 Thread wander.lairson
2011/1/4 Emmanuel Blot : > Hello, > > Did anyone succeed running pyusb (or even libusb...) under Windows ? > > I've tried on Windows XP 32-bit the following combinations, without any > success: > >  1. Python 2.6.5/Cygwin 1.7, libusb-win32 >  2. Python 2.6.5/Cygwin 1.7, libusb-1.0.5+git >  3. Pyth

[pyusb-users] Using pyusb-1.0.0a1 w/ Windows

2011-01-04 Thread Emmanuel Blot
Hello, Did anyone succeed running pyusb (or even libusb...) under Windows ? I've tried on Windows XP 32-bit the following combinations, without any success: 1. Python 2.6.5/Cygwin 1.7, libusb-win32 2. Python 2.6.5/Cygwin 1.7, libusb-1.0.5+git 3. Python 2.6.5/Cygwin 1.7, libusb-1.0.7+git 4. P

Re: [Pyusb-users] Using pyusb

2008-03-25 Thread Wander Lairson
Does PyUSB raise any exception? If so, what's the message? If not, has all the data written? Wander 2008/3/19, Mike Holloway <[EMAIL PROTECTED]>: > Hi all, > > I'm very new to this list, so hello all! > I'm just starting out using python, my background is lamp. > > I have a Prolific Technologies

[Pyusb-users] Using pyusb

2008-03-19 Thread Mike Holloway
Hi all, I'm very new to this list, so hello all! I'm just starting out using python, my background is lamp. I have a Prolific Technologies bridged usb cable that I wish to talk to using pyusb and libusb, I've tried following examples and compiling my own code but I'm really struggling getting it