[flashrom] about CH341A programmer

[Márton Miklós]

Hi,

Someone had already reverse engineered the protocol and created an SPI 
flasher tool for that:
https://github.com/setarcos/ch341prog

Using this code it won't be a big issue to add flashrom support.

Regards,
Miklos Marton

> 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
>>> 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.
>
>
>



Üdvözlettel,
Márton Miklós
+36-70-39-60-009


Üdvözlettel,
Márton Miklós
+36-70-39-60-009