RE: [ts-7000] Re: Serial characters being dropped?

["Russell N. Nelson - rnnelson" <>]

Sigh. Turns out that I had two programs fighting for the serial port. I killed the one, now I'm getting 90% of my binary packets with a good checksum. I'm going to try creating a /var/lock/LCK..ttyUSB0 to see if there's some program running every ten minutes which stomps on the remaining 10% of packets.

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From: on behalf of Russell N. Nelson - rnnelson
Sent: Monday, September 24, 2012 10:27 AM
To:
Subject: RE: [ts-7000] Re: Serial characters being dropped?

It's a binary stream coming from an RDI ADCP. The kernel I'm running was compiled for the TS-7500, but if that's the problem, it's the first I've seen.

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From: on behalf of Razvan-Ionut Stoian
Sent: Monday, September 24, 2012 10:18 AM
To:
Subject: [ts-7000] Re: Serial characters being dropped?

Hi.

A while back, I wrote a small driver for Orbcomm modems. Turned out that when I calculated the checksum, instead of doing "256-", I was doing "255-". It might be a detail like that. What type of serial stream are you looking at? Is it some sort of OBD2 or GPS ASCII?

I used TS7200 with all kinds of RS232s, native and USB/Serial, and they worked great. 

 One more thing. Are you sure you don't have too much EM interference? This is highly unlikely, though.

my $.02

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