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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