[flashrom] about CH341A programmer

novoagansk at gmail.com novoagansk at gmail.com
Tue Jan 6 23:14:05 CET 2015

Здравствуйте, Stefan.

Вы писали 7 января 2015 г., 0:31:04:

I   can   write  to  log  usb activity with operations with CH341A usb
programmer from original 1.18 software with operation read, write..

this log is very happy with support of CH341A in flashrom?

> On Tue, 6 Jan 2015 05:20:22 +0500
> novoagansk at gmail.com wrote:

>> Здравствуйте, .
>> Sorry, Please tell me about: how add support for this programmer in flashrom?
>> If  you  can  -  please  tell  me  "example" how USB device parallel add in
>> flashrom.
>> or other links to support any usb devices in flashrom..
>> CH341A usb chip:
>> http://www.seekic.com/circuit_diagram/Basic_Circuit/USB_to_parallel_serial_circuit_diagramch341.html

> There is not much information available about that chip. The available
> English datasheets do not cover the most important part: the
> communication protocol between the chip and the host. Without that it
> is not exactly trivial to add support for it in flashrom. One has to
> reverse engineer the protocol first. Members of the flashrom community
> have done that for the Dediprog SF100 once but they are no longer
> active, so please don't expect it to be done. dediprog.c is probably
> the most similar programmer flashrom currently supports because it is
> the only one that uses a completely custom USB protocol.

С уважением,
 Novoagansk                          mailto:novoagansk at gmail.com

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