[Tinyos-devel] Problem with serial communication on Micaz

[Jonathan Hui]

Yup, I'm not suprised that it's broken. The serial stuff is in limbo
right now, the interfaces have changed. You should know that the devel
branch is the unstable branch, so beware.

-- 
Jonathan W. Hui
jwhui at cs.berkeley.edu
http://www.cs.berkeley.edu/~jwhui/

On 10/16/06, Rodrigo Fonseca <rfonseca at eecs.berkeley.edu> wrote:
> Hi,
>
> I encountered serial communication problems on micaz's running over eprbs.
> It is not related to my build system or to the programming, and
> totally independent of the java tools. I am pretty sure that I have
> narrowed the problem down to commits done on Oct 10 mostly by
> johnatan, and it seems to be related to timing problems in the atm128
> uart.
>
> Below I show the nc output (directly reading the tcp stream of bytes
> from the eprb) for the TestSerial app:
>
> nc output from the TestNetwork app, cvs as of today, in the
> tinyos-2_0_devel-BRANCH tag:
> < 00000000 fd ed 6d                                        # ..m
> < 00000003 f9 ed                                           # ..
> < 00000005 f9 ed f9                                        # ...
> < 00000008 fd ed                                           # ..
> < 0000000a fd ed 7d                                        # ..}
> < 0000000d f9 ed                                           # ..
> ... more of the same
> ===================================
> nc output from the TestNetwork app, cvs as of *Oct 9th*, in the
> tinyos-2_0_devel-BRANCH tag (correct output, notice how the counter
> goes: 1d, 1e, 1f, 20, 21, 22, 23, always the 9th byte after 7e).
>
> < 00000000 7e 45 00 ff ff 02 22 09 00 1d 73 1a 7e          # ~E...."...s.~
> < 0000000d 7e 45 00                                        # ~E.
> < 00000010 ff ff 02 22 09 00 1e 10 2a 7e                   # ..."....*~
> < 0000001a 7e 45 00 ff ff 02 22 09 00 1f 31 3a 7e          # ~E...."...1:~
> < 00000027 7e 45 00 ff ff 02 22 09                         # ~E....".
> < 0000002f 00 20 8d fd 7e                                  # . ..~
> < 00000034 7e 45 00 ff                                     # ~E..
> < 00000038 ff 02 22 09 00 21 ac ed 7e                      # .."..!..~
> < 00000041 7e 45 00 ff ff 02 22 09 00 22 cf dd 7e          # ~E....".."..~
> < 0000004e 7e 45 00 ff ff 02 22 09 00 23 ee cd 7e          # ~E...."..#..~
>
> Any ideas?
>
> Thanks,
> Rodrigo
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