loadb and loady do not work

[Alexey Galakhov]

Hi,

I just switched from u-boot to barebox on a MINI2440 board and found
that I'm unable to use both loadb and loady. I used loady with u-boot
and it worked fine. Looks like barebox does not listen to the incoming data.

mini2440:/ loady -c
## Ready for binary (ymodem) download to 0x00000000 offset on image.bin
device at 115200 bps...
C
*** file: uImage
sb -vv uImage
Sending: uImage
Ymodem sectors/kbytes sent:   0/ 0kRetry 0: NAK on sector
Retry 0: NAK on sector
Retry 0: NAK on sector
Retry 0: NAK on sector
(etc up to timeout)

mini2440:/ loadb -c
## Ready for binary (kermit) download to 0x00000000 offset on image.bin
device at 115200 bps...

*** file: uImage
gkermit -iXvs uImage
G-Kermit CU-1.00, Columbia University, 1999-12-25
Escape back to your local Kermit and give a RECEIVE command.

KERMIT READY TO SEND...
-
*** exit status: 1

I tried to debug it by adding a simple echo test and I think I found the
problem. tstc() may return false even if there are bytes in input
buffer. Thus getc() may sleep even if the buffer is full!

--
Alex