Comments (2)
There is a heartbeat
file to check if everything works fine. To check the connection status for now you can use the lsusb
command. Is there any reason to duplicate it by file (which will remain after kill -9
)?
Unfortunately there is no documentation about data and statuses from the device. But you can try to investigate it, to see unfiltered data run co2mond with -u flag.
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There is a heartbeat file to check if everything works fine.
Just checked - it is not created if daemon was started with disconnected device. I have 2 boards for development, with this daemon running constantly and connecting MT8057 to one at a time. Can you create this file on startup even if MT8057 is disconnected?
To check the connection status for now you can use the lsusb command. Is there any reason to duplicate it by file (which will remain after kill -9)?
I would have to grep
lsusb
with HWID, so it will be hardcoded with magic value in 2 places - your program and my script.
Good point about leftover file. It can be worked around by checking modification time though.
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Related Issues (20)
- Выход из hibernate HOT 4
- Почему в README нет ссылки на co2meter.com? HOT 2
- Возможность: прочитать текущие значения и выйти HOT 5
- Missing install target in Makefile HOT 1
- Wrong libco2mon.so install path HOT 2
- Unversioned libco2mon.so HOT 1
- co2mond may get stuck and stop report values HOT 1
- Build on Debian jessie HOT 3
- cmake mac os None of the required 'hidapi-libusb;hidapi' found HOT 4
- warning "_BSD_SOURCE and _SVID_SOURCE are deprecated, use _DEFAULT_SOURCE"
- Give ability to list USB devices
- cmake mac os None of the required 'hidapi-libusb;hidapi' HOT 6
- error message humanization HOT 2
- Unexpected data from device (data[4] = fb, want 0x0d) HOT 18
- Why does this only run as root? HOT 2
- -P option crashes when run from a systemd service
- MT8957s device via com port
- co2mon.c:(.text+0x114): undefined reference to `hid_get_device_info' HOT 3
- magic_table & decode_buf HOT 5
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