[time-nuts] Serial Port Logging Script?

[Didier Juges]

Here is a shell script that sets a serial port, reads data from the 
serial port and pipes it to another program (rpm)

#!/bin/sh

# open ttyS1, set to 19200 and raw mode (so as not to choke on checksum)
stty 19200 raw </dev/ttyS1

# Print what comes from ttyS1, filter through rpm
cat </dev/ttyS1 |./rpm -n $1 $2 $3 $4

You can change the last line as follows:

cat </dev/ttyS1 > dada.txt

to send the data to a file instead.

Change serial port or setting as you see fit.

Didier KO4BB


Hal Murray wrote:
>> Does anyone have a simple Perl (or C) script to write data from a
>> serial port to a file? Preferably something with no dependencies, but
>> I don't mind having to install a couple Perl modules if need be.
>>     
>
> Most terminal programs have a log-to-file option.
>
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>   
>> I tried the logserial program that I found in the FreeBSD ports tree,
>> but it keeps putting extra returns in between each row of data. 
>>     
>
> Is that a CR vs CR/LF mixup?  If so, record it however you can and clean out 
> the LFs later.  I used to have scripts that converted from one mode to 
> another.  I think one used sed and the other used awk.
>
> If it really is an extra blank line, that should be reasonably easy to filter 
> out.
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