New RC-5 devices.

[timatpam]

New RC-5 devices (S/N EFE24*, ID 246c:9001) now use HID protocol.

Can read but cannot write parameters. On writing something strange happens:

sudo python3 elitech --device /dev/hidraw2 parameter get interval ConfigReadCommand(Device('/dev/hidraw2'), "interval") [[76, 78)] Request: 00 33 CC 00 0C 03 00 00 00 4C 00 02 5C 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Response: 33 CC 00 0E 03 00 00 00 4C 00 02 00 2A 88 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 interval: 7m

sudo python3 elitech --device /dev/hidraw2 parameter set interval 6m ConfigWriteCommand(Device('/dev/hidraw2'), "interval=6m") [[76, 78)] Request: 00 33 CC 00 0C 03 00 00 00 4C 00 02 5C 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Response: 33 CC 00 0E 03 00 00 00 4C 00 02 00 2A 88 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [Response[76, 78)] Request: 00 33 CC 00 0E 04 00 00 00 4C 00 02 00 24 83 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Response: 33 CC 00 0D 04 00 00 00 4C 00 01 01 5E 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

sudo python3 elitech --device /dev/hidraw2 parameter get interval ConfigReadCommand(Device('/dev/hidraw2'), "interval") [[76, 78)] Request: 00 33 CC 00 0C 03 00 00 00 4C 00 02 5C 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Response: 33 CC 00 0E 03 00 00 00 4C 00 02 00 24 82 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 interval: 6m

When plugged to Windows, Elitech software displays 7minutes.
When back to Linux:

sudo python3 elitech --device /dev/hidraw2 parameter get interval ConfigReadCommand(Device('/dev/hidraw2'), "interval") [[76, 78)] Request: 00 33 CC 00 0C 03 00 00 00 4C 00 02 5C 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Response: 33 CC 00 0E 03 00 00 00 4C 00 02 FF FF 5C 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 interval: 7j14h2m30s

[SarangKulkarni]

I am attempting to improve support for new RC-5 devices so have created a fork for my work. Will submit pull request(s) after significant commits. I am using the RC-5_SN_EFE247x branch available at https://github.com/SarangKulkarni/python-elitech/tree/RC-5_SN_EFE247x for my work.

[pasccom]

Hello!
The first part of the issue (parameter not set) is similar to #1, but I am surprised that you cannot read the value after plugging the device on Windows and using the official software. By the way did you try to read the value once more with Windows?
Up to now the library has been developped by reverse engineering the official software for Windows (I don't have a Windows PC and I am not totally sure that it will work on a VM). It reads all parameters in the device memory and write them back after configuration. For this library, I did not use the same strategy: I access the desired parameter using its address to read or write it. This works well on my device RC5+ (VID:0x04d8 PID:0x3005), but it seems to be flawed on the newer versions of the device. The device firmware has been modified and writing only a few bytes in the configuration memory seems not to be supported anymore. My idea was to modify the library so that, depending on the value of a flag or the connected device, it reads all the config memory and writes it back, but I did not have the time to implement it yet.
If you have access to a windows PC with the official software (ideally latest version), I would be interested in USB frame captures. This can relatively easily be achieved with Wireshark and USBPcap, see https://wiki.wireshark.org/CaptureSetup/USB#windows.
Best regards,

[raalkml]

FWIW, the Elitech software, for all its deficiencies, works fine in a Windows VM. Just tried that in Win7 VM, executing "device_add usb-host,vendorid=0x246c,productid=0x9001" after plugging the device in.