Looks simple enough, but cmon is not part of weewx. You should submit as a
PR to weewx-cmon <https://github.com/matthewwall/weewx-cmon>.
On Thu, May 7, 2020 at 7:48 AM Luc Heijst <ljm.hei...@gmail.com> wrote:
> Recently I downloaded the latest version of weewx-cmon (v 0.20) which was
> converted to use with python3.
> This version, and also elder versions of cmon.py, did not read the
> cpu-temp of my Raspberri PI systems (models 1B, 2B, 3B and 3B+).
>
> On my raspberry PI the following statement is true: *os.path.exists(tdir)*,
> still
> a cpu-temp could not be found in this section
> The *elif os.path.exists(tfile):* statement caused the bottem section to
> be skipped and that is the section that reads the RPI cpu-temp.
>
> See the modifications in yellow which fixed this problem.
>
> Luc
>
> --- snipped of cmon.py ---
> # read cpu temperature
> tdir = '/sys/class/hwmon/hwmon0/device'
> # rpi keeps cpu temperature in a different location
> tfile = '/sys/class/thermal/thermal_zone0/temp'
> *temp_found = False*
> if os.path.exists(tdir):
> try:
> for f in os.listdir(tdir):
> if f.endswith('_input'):
> s = self._readproc_line(os.path.join(tdir, f))
> if s and len(s):
> *temp_found = True*
> n = f.replace('_input', '')
> t_C = int(s) / 1000 # degree C
> record['cpu_' + n] = t_C
> except Exception as e:
> logdbg("read failed for %s: %s" % (tdir, e))
> ### elif os.path.exists(tfile): ### original statement
> if* not temp_found and *os.path.exists(tfile):
> try:
> s = self._readproc_line(tfile)
> t_C = int(s) / 1000 # degree C
> record['cpu_temp'] = t_C
> except Exception as e:
> logdbg("read failed for %s: %s" % (tfile, e))
>
> -----------
>
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