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v86dude(86upload.exe) needs to work standalone
2014 年 03 月 28 日
Forum Posts: 11
Member Since:
2013 年 12 月 02 日


I tried to use v86dude on OpenBSD with this patch ( ) and suffering with the message as follows:

> $ v86dude.exe 86DUINO.EXE 20 /dev/ttyU2
> ...time-out to read bytes
> receive_package fail
> Some error during getting bootlaoder version

I also did same thing with Linux(Slackware-14.0) and got same result.

I checked what happened by USB analyzer, at least v86dude sends first command to 86duino and no response.
On the other hand, v86dude invoked from 86duino IDE (for Windows) works no problem.

Comparing these logs, the status of DTR signal is different and currently v86dude does not control DTR. Maybe 86duino/Arduino IDE do that.
I think adding DTR control function to v86dude makes working standalone, has anyone tried it? (I haven't tried because too busy...)

2014 年 04 月 01 日
Forum Posts: 228
Member Since:
2014 年 04 月 01 日

Currently the v86dude.exe can work fine with 86Duino IDE, becuase the 86Duino IDE let 86Duino bootloader enter "soft-reset" mode by setting 1200 baudrate (compatible Arduino Leonardo) before sending any sketch to 86Duino board.
Only in this mode, the bootloader wait to receive a sketch from your PC for 8 sec. (86Duino IDE calls v86dude.exe to send new sketch to 86Duino board at this time.)

For standalone, the v86dude.exe should set 1200 baudrate by itself to let 86Duino bootloader enter "soft-reset" mode, refer to the branch for v86dude standalone:

v86dude will set 1200 baudrate by itself without 86Duino IDE if you add "standalone" parameter in the end of command line.

ex. (for linux)

$ ./v86dude.exe /dev/ttyACM0 20 ~/86duino.exe standalone

2014 年 04 月 04 日
Forum Posts: 11
Member Since:
2013 年 12 月 02 日


I applied my patch to v86dude-standalone and tried it on OpenBSD-5.4/amd64.
There is no problem, thanks.

Well, I want to commit my patch to v86dude-standalone branch, can I do that?

2014 年 04 月 07 日
Forum Posts: 228
Member Since:
2014 年 04 月 01 日

By all means. Smile

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