Messages in this thread | | | Date | Wed, 31 Aug 2022 15:06:25 +0300 | From | Andy Shevchenko <> | Subject | Re: [PATCH v3 13/19] hwmon: (mr75203) modify the temperature equation according to series 5 datasheet |
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On Tue, Aug 30, 2022 at 07:22:06PM +0000, Eliav Farber wrote: > Modify the equation and coefficients used to convert the digital output > to temperature according to series 5 of the Moortec Embedded Temperature > Sensor (METS) datasheet: > T = G + H * (n / cal5 - 0.5) + J * F > > Where: > *) G = 60, H = 200, cal5 = 4094, J = -0.1. > *) F = frequency clock in MHz. > *) n is the digital output. > > In code, the G, H and J coefficients are multiplied by a factor of 1000 > to get the temperature in milli-Celsius. > Final result is clamped in case it exceeds min/max thresholds. > > Change is done since it is not clear where the current equation and
not clear -> unclear
> coefficients came from.
...
> +#define PVT_TEMP_MIN -40000 > +#define PVT_TEMP_MAX 125000
Unit suffix? _mC perhaps would be enough.
-- With Best Regards, Andy Shevchenko
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