N3_stm32/N3Drive/USER/ntc.c

#include "ntc.h"

u32 NTC_ADC_VALUE_SUM = 0;

float Get_Temperature(u16 ADC_VALUE)
{
	float Rp = 100000.0;
	float T2 = (273.15 + 25.0);
	float Bx = 3950.0;
	float Ka = 273.15;
	float Rt = 0.0;
	float valta = 0.0;
	
	valta = ADC_VALUE*3.3/4095;
	
	Rt = (Rp*valta)/(3.3-valta);
	
	return (1/( ( log(Rt/Rp) )/Bx+ (1/T2) )) - 272.65;
}