Re: [PATCH v3 13/19] hwmon: (mr75203) modify the temperature equation according to series 5 datasheet

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On 8/31/2022 3:06 PM, Andy Shevchenko wrote:
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

Fixed.

coefficients came from.

...

+#define PVT_TEMP_MIN         -40000
+#define PVT_TEMP_MAX         125000

Unit suffix? _mC perhaps would be enough.

Fixed. Added _mC suffix as you suggested.

--
Thanks, Eliav




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