flat assembler
Message board for the users of flat assembler.
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Ville 31 Mar 2017, 14:50
Do you have links to such USB devices ? So I can look at the technical specs of it.
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xiaolaba 01 Apr 2017, 03:42
Ville wrote: Do you have links to such USB devices ? So I can look at the technical specs of it. hi Ville, the OEM and brand name of such usb fax modem is manufactured by Conxant & used turn key solution, the final product itself is usually distributed by PC manufacturers, this is the one used in last few years, they manifested different USB descriptor string. https://support.lenovo.com/us/en/solutions/pd003647 _________________ best regards, xiao |
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Ville 02 Apr 2017, 13:51
Hi Xiao, The device seems to use USB communications class, which would be a nice addition for Menuet. I'll try to find that device over here and get back to you in a few days.
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Ville 11 Apr 2017, 15:35
Hi Xiao. I havn't found the device here, but I've ordered one from abroad. It'll take a couple of weeks to arrive. I'll get back to you then!
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xiaolaba 13 Apr 2017, 01:49
Ville wrote: Hi Xiao. I havn't found the device here, but I've ordered one from abroad. It'll take a couple of weeks to arrive. I'll get back to you then! hello Ville. looking forward to see whether any positive progress. _________________ best regards, xiao |
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Ville 07 May 2017, 13:23
Hi Xiao.
The Conexant modem arrived a few days ago and I can now communicate with the device. It does follow the USB CDC protocol. However, the cdc-asm subclass does not define the actual used protocol at the interface level. And the modem is not responding to standard Hayes compatible commands. Also, when I try this with Windows, it requires an external driver to function, so the actual used command set could very well be device specific, which is allowed by usb cdc-acm. However, I keep looking into this and get back to you when I have more answers. |
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xiaolaba 09 May 2017, 09:58
Ville,
any PID / VID pairs discovered at your plugged-in & fire up? this may help with win7 or above, but xp was buggy for those supplied driver. |
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Ville 09 May 2017, 13:28
Hi Xiao. The Menuet driver is already working fine until the point of sending the actual Hayes commands. I can initialize the device and read the descriptors fine in M64. So the Hayes commands might use a device specific wrapper.
If the device would be a pure usb cdc-acm device, it would likely work plugandplay in Windows (VID:PID 17EF:7000) without any external drivers. Also in Linux, its listed as (non-standard) softmodem. |
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