Attached is the new log. You can see where I disabled 1 minute barometer updates at Line 625. After that, as far as I can see, all the problems disappear. It's been running for almost an hour now without losing its data stream (which it never made it 35 minutes before).
Has anything changed with the 1 minute barometer stuff since b3086?
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Davis Vantage Pro Issue with 3.9.5 b3100
Moderator: mcrossley
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- Posts: 28
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- Weather Station: Davis Vantage Pro
- Operating System: macOS 11.1
- Location: Winnipeg, Manitoba
Re: Davis Vantage Pro Issue with 3.9.5 b3100
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- mcrossley
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- Weather Station: Davis VP2/WLL
- Operating System: Bullseye Lite rPi
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Re: Davis Vantage Pro Issue with 3.9.5 b3100
It's not changed - other than reconnecting on error now - for years afaik!buffaloseven wrote: ↑Tue 19 Jan 2021 7:11 pm Has anything changed with the 1 minute barometer stuff since b3086?
I'm not even sure what the BARREAD command does, it is not documented by Davis, and I cannot find any real reference to it anywhere. Anyone?
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Re: Davis Vantage Pro Issue with 3.9.5 b3100
AIUI older Vantage Pros used to internally update their pressure reading once every 15 minutes. The BARREAD command forces an internal update.
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Re: Davis Vantage Pro Issue with 3.9.5 b3100
Yeah, the best I could find was code in Perl:
Also has some code to manage the time-out to retry, and some code to handle an unexpected response. Could there have been any changes to string handling that might mess up an unexpected response?
Code: Select all
sub read_bar {
sub read_bar {
wake_up();
put_string($fd, "BARREAD\n");
@data = ();
$index = 0;
$old_bar = $bar;
my $lines = 0;
eval{
alarm(3); # 3 second timeout
while($index < 13){
$data[$index] = get_char($fd);
$index++;
};
alarm(0);
};
- mcrossley
- Posts: 12697
- Joined: Thu 07 Jan 2010 9:44 pm
- Weather Station: Davis VP2/WLL
- Operating System: Bullseye Lite rPi
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- Contact:
Re: Davis Vantage Pro Issue with 3.9.5 b3100
I'll try sending the command to my VP2 consoles with a terminal emulator and see what happens...
-
- Posts: 28
- Joined: Thu 06 Oct 2016 7:40 am
- Weather Station: Davis Vantage Pro
- Operating System: macOS 11.1
- Location: Winnipeg, Manitoba
Re: Davis Vantage Pro Issue with 3.9.5 b3100
If there's any way I can help with my VP (original) console, let me know!