[ECOS] Redboot serial link speed on Arm E7T

[Jonathan Larmour]

Pierre Habraken wrote:
> Jonathan Larmour wrote:
> 
>>>I d'like to use a speed higher than 38400 for uploading programs
>>>from gdb to E7T w/ Redboot.
>>
>>You can set the CYGNUM_HAL_VIRTUAL_VECTOR_CHANNELS_DEFAULT_BAUD
>>configuration option and rebuild redboot. However I don't think the
>>E7T is that speedy so it may not be able to cope with much more.
>>Try it and see!
> 
> 
> I tried 57600 and 115200: at 57600, using ckermit, Redboot displays its
> banner and understand incoming commands, however gdb fails to upload
> binaries to the board.

It's a known issue that RedBoot has more overhead per character than it 
really should, compared to other monitors. Sounds like 38400 is the 
maximum for the moment.

Jifl
-- 
eCosCentric    http://www.eCosCentric.com/    The eCos and RedBoot experts
--[ "You can complain because roses have thorns, or you ]--
--[  can rejoice because thorns have roses." -Lincoln   ]-- Opinions==mine


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