Hi Chris,
I don't think the problem is related to the serial port itself. I have a
python code that uses 4 serial ports of BBB (tty01, tty02, tty04, tty05)
running without any problem for months.
I saw your code. If it reaches the "Dropping out due to an error: ", I
don't think it will keep running.
Use the logging module to write to a file when there is an exception:
https://docs.python.org/2/howto/logging.html
Use repr() instead of the str() to show the error, as it "returns a
string containing a printable representation of an object.", and it is
easier to see what's wrong.
https://docs.python.org/2/library/functions.html#func-repr
If you catch the problem with the logging module, send an email and I
can help you with more details.
Miguel
On 31-08-2014 22:55, chrismyer...@gmail.com wrote:
Hi everyone!
I've got my BBB rev. C set up as a data logger for a serial data
stream from an Arduino. It basically takes this data, uploads it to
xively, and checks certain values for exceeded thresholds and sends an
email if found. This works fine. However, after the script has been
running for several days, it stops working. The script itself seems to
continue running, but it stops acknowledging that it's receiving any
data or trying to upload to xively. If I ctrl+c out of the script and
restart it, it starts working fine again. The device it's connected to
continues to work properly regardless of whether the BBB is logging
anything, so I don't believe that the problem is with it.
Is there any way to determine where the problem lies? (BBB, python,
etc.?) Here's a copy of my code (please don't mock it too much, I'm a
Python noob) :
http://susepaste.org/399d9d1f
(This is what the data looks like if it makes any difference:
2014-08-31 20:51:38.841985
91,h,44
2014-08-31 20:51:40.063139
92,t,72
2014-08-31 20:51:44.727206
92,h,42
2014-08-31 20:51:45.463794
90,t,71
2014-08-31 20:52:17.112091
90,h,44
...)
I've Googled around, and haven't really found anything regarding
something like this. There were a couple of random bulletin board
posts that seemed similar, but they all went off into no-answer-land.
Thanks in advance :)
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