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mcu: Only warn about mcu clock frequency if drift is more than 1%

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This reduces the chance of spurious MCU clock configuration warnings.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2024-10-24 09:59:51 -04:00
parent 08102a0bf9
commit f0a7797712
1 changed files with 2 additions and 1 deletions

3
klippy/mcu.py

@ -832,9 +832,10 @@ class MCU:
systime = self._reactor.monotonic() systime = self._reactor.monotonic()
get_clock = self._clocksync.get_clock get_clock = self._clocksync.get_clock
calc_freq = get_clock(systime + 1) - get_clock(systime) calc_freq = get_clock(systime + 1) - get_clock(systime)
freq_diff = abs(mcu_freq - calc_freq)
mcu_freq_mhz = int(mcu_freq / 1000000. + 0.5) mcu_freq_mhz = int(mcu_freq / 1000000. + 0.5)
calc_freq_mhz = int(calc_freq / 1000000. + 0.5) calc_freq_mhz = int(calc_freq / 1000000. + 0.5)
if mcu_freq_mhz != calc_freq_mhz: if freq_diff > mcu_freq*0.01 and mcu_freq_mhz != calc_freq_mhz:
pconfig = self._printer.lookup_object('configfile') pconfig = self._printer.lookup_object('configfile')
msg = ("MCU '%s' configured for %dMhz but running at %dMhz!" msg = ("MCU '%s' configured for %dMhz but running at %dMhz!"
% (self._name, mcu_freq_mhz, calc_freq_mhz)) % (self._name, mcu_freq_mhz, calc_freq_mhz))