[flashrom] about CH341A programmer
martonmiklosqdev at gmail.com
Thu Jan 8 20:50:36 CET 2015
Someone had already reverse engineered the protocol and created an SPI
flasher tool for that:
Using this code it won't be a big issue to add flashrom support.
> 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:
>>> ????????????, .
>>> 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
>>> or other links to support any usb devices in flashrom..
>>> CH341A usb chip:
>> 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.
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