Bonjour Raphaël,
You do not provide enought information.
Can you provide a link to the DP5 documentation ?
Can you provide a small code sample ?
Bonne journée,
Nicolas
Le 21/11/2019 à 09:43, raphael moreau a écrit :
Good morning pyusb users,
I'm writing you this emial because I'm facing an issue that I did not
succed to resolve until now, and I'm sure you will.
I'm currently working on a Python project which involve the
communication witn an USB Device (DP5 Amptek SDD Detector, an x-ray
detector), and after a few test it seems that my device dont
understand what I'm telling him to do.
I started with the basic, a Device Status request, which is the
following (.jgp screenshot, I hope you'll be able to see it):
I tried the classic dev.write(x,test,x), with test =
'\xf5\xfa\x01\x01\x00\x00\xfe\x0f', or test = '\xf5\xfa1100\xfe\x0f'
but the expected result, which is the following(same here, .jpg
screenshot):
does not seems to be return with res = dev.read(x, length, x) with
length = 128 or length = 64 (seems odd to me for the 128 but i guess
it's for the array format?)
My question is therefore quit simple, how do I pass and read thoses
command ?
I'm using python 3, and I have no problem in term of identification of
the device, configuration, interface and endpoint IN and OUT, with pyusb.
The program I'm using is an old python 2 demo supplied by the
manufacturer which is not supported by them.
I precise that I'm rather new to USB and programming in general, so I
apologize if this question seems basic, or had already been answered to.
Thank you for any response,
Best regards,
Raphaël Moreau
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