Re: [pyusb-users] usb.core.USBError - Sending control message failed. The request is not supported

2013-06-01 Thread Phil Edwards
tion(self.handle, cfg.bConfigurationValue) AttributeError: 'NoneType' object has no attribute 'bConfigurationValue' On Sun, May 26, 2013 at 9:44 AM, Xiaofan Chen wrote: > On Sun, May 26, 2013 at 3:16 AM, Phil Edwards > wrote: > > I have installed libusb 0.1 via the

[pyusb-users] usb.core.USBError - Sending control message failed. The request is not supported

2013-05-25 Thread Phil Edwards
Hi Guys, I am trying to get my Windows PC talking to my Nikon D700 via USB, to develop Python code for my Raspberry Pi to control my camera. I have looked at gphoto2 but it looks too complicated. I found PyPTP and hope to control my camera this way. PyPTP uses the PyUSB library. I have installed