[U-Boot] loadb problem. Hangs on START_CHAR

Wolfgang Denk wd at denx.de
Mon Nov 17 13:37:18 CET 2014


Dear Bo,

In message <1416225420788-196515.post at n7.nabble.com> you wrote:
> 
> Yes, those settings are all in my .kermrc setup.

OK.  Just checking to make sure we don;t miss anything.

> I measured the fastest pulse on my scope to 8.691 µs, which gives 1/(8.691 x
> 1e-6) = 115061.56 baud. Not really 115200 but is it too far from working in
> your opinion? The tolerance in RS232 signalling is about 50% of the minimum
> pulse width for a byte which would be about 113000 - 117000 baud.

That's just 0.12% off, this should not be the problem.

Did you measure both directions (Tx on PC, and Tx on target) ?

Best regards,

Wolfgang Denk

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