SmartPDCode/control/STS/HARDWARE/Temprature/Temprature.c

/*********************************************************************************************************
* Module   : Temprature.c
* Abstract : Temprature module
* Version  : 1.0.0
* Author   : Leopul(COPYRIGHT 2025 - 2027 Leopul. All rights reserved.)
* Complete : 2025-02-16
* Content  : None
* Note     : None
*********************************************************************************************************/
#include "Temprature.h"
#include "Adc.h"
#include "main.h"
#include "math.h"
/****************************************************************
*
*     NXFT15XH103
*
*     T(K) = (662.666 -45.389*ln(R)+0.069*(ln(R))^3)
*     T(C) = T(K) - 273.15
*
*****************************************************************/
static float get_temp(void);

#define GATHER_MAX  200
#define VREF        33

#define V_HOT(ad) (((ad * 1000)>>12) * VREF / 10.0 /1000.0) 

#define R_HOT(ad) ((V_HOT(ad)*10000.0) / ((VREF/10.0)-(2.0*V_HOT(ad))))

#define T_TEMP(res) ((662.666 - (45.389 * log10(res)) + (0.069 * log10(res)*log10(res)*log10(res))) - 273.15)

static uint32_t gather_count = 0;

static uint32_t all_get_ad = 0;

static float get_temp(void)
{
	sts_data_t *data = get_sts();
	uint32_t all_get_ad = 0;	
	float temprature = 0.0;
	if(gather_count < GATHER_MAX)
	{
		
		all_get_ad += get_adc();
		gather_count++;
	}else
	{
		all_get_ad /= GATHER_MAX;
		
		float v_hot = V_HOT(all_get_ad);
		if((uint32_t)((v_hot)*100) < 165)
		{
			float res = ((v_hot)*10000) / (3.3 - 2 * v_hot);
			if(res>=598 && res <= 197000)
			{
				temprature = T_TEMP(res);
				data->temp_online_flag = TEMP_ONLINE;
			}else
			{
				data->temp_online_flag = TEMP_INLINE;
			}
		}else
		{
			temprature = 0.0;
			data->temp_online_flag = TEMP_INLINE;
		}
		
		gather_count = 0;
		all_get_ad = 0;
	}
	data->temprature = temprature;
	return temprature;
}


void temp_init(void)
{
	adc_init();
	sts_data_t *data = get_sts();
	data->read_temp = get_temp;
}