/**
  ******************************************************************************
  * @file    tim.c 
  * @author  Jerry
  * @version V2.1
  * @date    19-April-2022
  * @brief   tim program body.
  ******************************************************************************
  * @attention
  *
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
#include "global.h"

#define SHORT_CIRCUIT_THRESHOLD 70
#define OPEN_CIRCUIT_THRESHOLD  33000

uint8_t  ucTempeMiddle;

/*温度电阻对照表*/
//4根温度线——深圳诺睿斯：MF52D103F3950FCL500XH
//单位10欧
//-55 - +125
uint16_t const NTC_103AT[181]=
{
	58354, 55464, 52696, 50048, 47515, 
	45097, 42789, 40589, 38492, 36496, 34597, 32791, 31075, 29444, 27896, 
	26427, 25034, 23713, 22460, 21273, 20148, 19083, 18075, 17120, 16216, 
	15361, 14551, 13785, 13061, 12376, 11728, 11114, 10535, 9986,  9468,  
	8977,  8513,  8075,  7660,  7267,  6896,  6545,  6212,  5898,  5601,  
	5319,  5053,  4801,  4562,  4336,  4122,  3920,  3728,  3546,  3374,  
	3211,  3057,  2910,  2771,  2639,  2515,  2396,  2284,  2177,  2076,  
	1978,  1889,  1802,  1720,  1642,  1568,  1497,  1430,  1366,  1306,  
	1248,  1193,  1141,  1092,  1044,  1000,  957,   916,   877,   840,   
	805,   771,   739,   709,   679,   652,   625,   600,   576,   552,   
	530,   509,   489,   470,   452,   434,   417,   401,   386,   371,   
	358,   344,   331,   318,   306,   295,   284,   274,   264,   254,   
	245,   236,   228,   220,   212,   205,   198,   191,   184,   178,   
	172,   166,   160,   155,   150,   145,   140,   135,   131,   126,   
	122,   118,   115,   111,   107,   104,   101,   97,    94,    91,    
	89,    86,    83,    81,    78,    76,    74,    71,    69,    67,    
	65,    63,    61,    60,    58,    56,    55,    53,    52,    50,    
	49,    47,    46,    45,    43,    42,    41,    40,    39,    38,    
	37,    36,    35,    34,    33,    32
};

//板贴热敏电阻——南京时恒：CMFA 103F3950
//单位10欧
//-40 - +125
uint16_t const NTC_103AT_CMFA[166]=
{
	34527, 32279, 30192, 28254, 26454, 24781, 23225, 21777, 20429, 19173, 
	18003, 16912, 15894, 14944, 14057, 13228, 12452, 11726, 11048, 10413, 
	9818,  9261,  8740,  8251,  7792,  7362,  6958,  6579,  6223,  5889,  
	5574,  5278,  5000,  4738,  4491,  4259,  4040,  3833,  3638,  3454,  
	3281,  3117,  2963,  2817,  2680,  2549,  2426,  2309,  2199,  2094,  
	1995,  1902,  1813,  1729,  1649,  1574,  1502,  1434,  1369,  1308,  
	1250,  1195,  1142,  1092,  1045,  1000,  957,   916,   877,   840,   
	804,   771,   739,   708,   679,   652,   625,   600,   576,   553,   
	531,   510,   490,   471,   452,   435,   418,   402,   387,   372,   
	358,   345,   332,   320,   308,   297,   286,   276,   266,   256,   
	247,   238,   230,   222,   214,   207,   200,   193,   186,   180,   
	174,   168,   162,   157,   152,   147,   142,   137,   133,   129,   
	124,   120,   117,   113,   109,   106,   103,   100,   96,    94,    
	91,    88,    85,    83,    80,    78,    76,    73,    71,    69,    
	67,    65,    63,    61,    60,    58,    56,    55,    53,    52,    
	50,    49,    48,    46,    45,    44,    43,    42,    41,    40,    
	39,    38,    37,    36,    35,    34
};

//根据NTC阻值计算温度值:-55~125
//返回的温度值需要-2731
uint16_t TEMP_Cal(uint16_t ntcR)
{
	uint8_t	  i;
	uint16_t  tempcalcu, temperature;
	
	tempcalcu = ntcR ;
	
	if(tempcalcu >= NTC_103AT[0])
	{
		temperature = 2731-550; //温度值小于-55度时 =-55度
	}
	else if(tempcalcu <= NTC_103AT[180])
	{
		temperature = 2731+1250; //温度值大于125度时 =125度
	}
	else
	{
		i = ucTempeMiddle;
		if(tempcalcu > NTC_103AT[i])
		{
			for(i=ucTempeMiddle - 1; i>0; i--)
			{
				if(tempcalcu <= NTC_103AT[i]) //NTC103AT[i+1]<resis<NTC103AT[i]
				{
					break;
				}
			}
		}
		else
		{
			for(i=ucTempeMiddle+1; i<180; i++)
			{
				if(tempcalcu > NTC_103AT[i]) //NTC103AT[i-1]<resis<NTC103AT[i]
				{
					break;
				}
			}
			i--;
		}
		ucTempeMiddle = i;
		
		temperature = (uint16_t)(ucTempeMiddle-55)*10 + (NTC_103AT[i]-tempcalcu)*10 / (NTC_103AT[i]-NTC_103AT[i+1])+2731;
	}
	
	return temperature;
}

//根据NTC_CMFA阻值计算温度值-40~125
//返回的温度值需要-2731
uint16_t TEMP_Cal_CMFA(uint16_t ntcR)
{
	uint8_t	  i;
	uint16_t  tempcalcu, temperature;
	
	tempcalcu = ntcR ;
	
	if(tempcalcu >= NTC_103AT_CMFA[0])
	{
		temperature = 2731-400; //温度值小于-40度时 =-40度
	}
	else if(tempcalcu <= NTC_103AT_CMFA[165])
	{
		temperature = 2731+1250; //温度值大于125度时 =125度
	}
	else
	{
		i = ucTempeMiddle;
		if(tempcalcu > NTC_103AT_CMFA[i])
		{
			for(i=ucTempeMiddle - 1; i>0; i--)
			{
				if(tempcalcu <= NTC_103AT_CMFA[i]) //NTC103AT[i+1]<resis<NTC103AT[i]
				{
					break;
				}
			}
		}
		else
		{
			for(i=ucTempeMiddle+1; i<165; i++)
			{
				if(tempcalcu > NTC_103AT_CMFA[i]) //NTC103AT[i-1]<resis<NTC103AT[i]
				{
					break;
				}
			}
			i--;
		}
		ucTempeMiddle = i;
		
		temperature = (uint16_t)(ucTempeMiddle-40)*10 + (NTC_103AT_CMFA[i]-tempcalcu)*10 / (NTC_103AT_CMFA[i]-NTC_103AT_CMFA[i+1])+2731;
	}
	
	return temperature;
}