Search found 4 matches

by flyrjh
Tue Feb 16, 2021 8:14 pm
Forum: Developers Sandbox - Meter Data
Topic: Raspberry Pi and FTDI USB (or Serial)
Replies: 14
Views: 25834

Re: Raspberry Pi and FTDI USB (or Serial)

Wow, it's been a while. I've been running this for several years now, but my house had a direct lightning strike back in the fall and it killed my meter, as well as the Raspberry and a lot of other equipment, despite my diligent grounding and UPS usage. Then today I ran across this post. Here's what...
by flyrjh
Thu Nov 20, 2014 6:39 pm
Forum: Developers Sandbox - Meter Data
Topic: Raspberry Pi and FTDI USB (or Serial)
Replies: 14
Views: 25834

Re: Raspberry Pi and FTDI USB (or Serial)

Jameson, thanks! I've been looking forward to this step for many months, and reading many of your very kind replies. What I've done is to write a little C program that reads USB/RS-485 data, and prints the parts I wanted. Then, I have a shell script that calls it every minute, parses the output, and...
by flyrjh
Wed Nov 19, 2014 11:01 pm
Forum: Developers Sandbox - Meter Data
Topic: Raspberry Pi and FTDI USB (or Serial)
Replies: 14
Views: 25834

Re: Raspberry Pi and FTDI USB (or Serial)

Well, after posting this I'm finally getting data in C. I think it was just missing O_RDWR. Hopefully over the next few weeks I can get it parsed and post some sample code, curious how many people might be interested. Looking forward to rrdtools next! And maybe posting to a google spreadsheeet, we'l...
by flyrjh
Wed Nov 19, 2014 10:25 pm
Forum: Developers Sandbox - Meter Data
Topic: Raspberry Pi and FTDI USB (or Serial)
Replies: 14
Views: 25834

Raspberry Pi and FTDI USB (or Serial)

My goal: Read my OmniMeter v4 from a Raspberry Pi, either with the FTDI/USB adapter, or the serial converter. I have both, USB would be preferred but either is fine. I have read for hours on this forum, and there's a lot of great information, but I'm not having much success yet. Could anyone point m...