//
// Created by cfif on 02.12.2025.
//
#include "stdint.h"
#include "ADC_Temp_KST45-14-2.h"
#include <math.h>

// Константы
#define ADC_MAX 4095.0f     // 12-битный АЦП
#define R1 3000.0f         // Сопротивление делителя напряжения
#define TABLE_START_TEMP (-40)
#define TABLE_END_TEMP 85
#define TABLE_SIZE 38

// Параметры Steinhart-Hart для термистора
#define koef_A  0.001741624168166423
#define koef_B  0.00017003940268680147
#define koef_C  0.0000004890545443703666

#define TABLE_SIZE_LOOKUP 512

// Структура для хранения табличных данных
typedef struct {
    int temp_c;      // Температура (°C)
    float r_nom;     // Номинальное сопротивление (Ω)
} ntc_table_entry;

/*
// Таблица из документа KST45-14-2
static const ntc_table_entry ntc_table[] = {
        {-40, 100950.0f},
        {-35, 72777.0f},
        {-30, 53100.0f},
        {-25, 39111.0f},
        {-20, 29121.0f},
        {-15, 21879.0f},
        {-10, 16599.0f},
        {-5,  12695.0f},
        {0,   9795.0f},
        {5,   7616.0f},
        {10,  5970.0f},
        {15,  4712.0f},
        {20,  3747.0f},
        {25,  3000.0f},
        {30,  2417.0f},
        {35,  1959.0f},
        {40,  1598.0f},
        {45,  1311.0f},
        {50,  1081.0f},
        {55,  895.9f},
        {60,  746.4f},
        {65,  624.9f},
        {70,  525.6f},
        {75,  444.4f},
        {80,  377.4f},
        {85,  321.7f}
};
*/

/*
ntc_table_entry ntc_table[] = {
        {0,-2731},
        {8,2605},
        {16,2164},
        {24,1937},
        {32,1789},
        {40,1680},
        {48,1594},
        {56,1524},
        {64,1466},
        {72,1415},
        {80,1371},
        {88,1331},
        {96,1296},
        {104,1264},
        {112,1234},
        {120,1207},
        {128,1182},
        {136,1159},
        {144,1138},
        {152,1117},
        {160,1098},
        {168,1080},
        {176,1063},
        {184,1047},
        {192,1032},
        {200,1017},
        {208,1003},
        {216,989},
        {224,976},
        {232,964},
        {240,952},
        {248,941},
        {256,930},
        {264,919},
        {272,909},
        {280,899},
        {288,889},
        {296,880},
        {304,871},
        {312,862},
        {320,853},
        {328,845},
        {336,837},
        {344,829},
        {352,821},
        {360,813},
        {368,806},
        {376,799},
        {384,792},
        {392,785},
        {400,778},
        {408,772},
        {416,766},
        {424,759},
        {432,753},
        {440,747},
        {448,741},
        {456,735},
        {464,730},
        {472,724},
        {480,718},
        {488,713},
        {496,708},
        {504,702},
        {512,697},
        {520,692},
        {528,687},
        {536,682},
        {544,678},
        {552,673},
        {560,668},
        {568,664},
        {576,659},
        {584,655},
        {592,650},
        {600,646},
        {608,641},
        {616,637},
        {624,633},
        {632,629},
        {640,625},
        {648,621},
        {656,617},
        {664,613},
        {672,609},
        {680,605},
        {688,601},
        {696,597},
        {704,594},
        {712,590},
        {720,586},
        {728,583},
        {736,579},
        {744,576},
        {752,572},
        {760,569},
        {768,565},
        {776,562},
        {784,559},
        {792,555},
        {800,552},
        {808,549},
        {816,546},
        {824,542},
        {832,539},
        {840,536},
        {848,533},
        {856,530},
        {864,527},
        {872,524},
        {880,521},
        {888,518},
        {896,515},
        {904,512},
        {912,509},
        {920,506},
        {928,503},
        {936,500},
        {944,497},
        {952,494},
        {960,492},
        {968,489},
        {976,486},
        {984,483},
        {992,481},
        {1000,478},
        {1008,475},
        {1016,473},
        {1024,470},
        {1032,468},
        {1040,465},
        {1048,462},
        {1056,460},
        {1064,457},
        {1072,455},
        {1080,452},
        {1088,450},
        {1096,447},
        {1104,445},
        {1112,442},
        {1120,440},
        {1128,437},
        {1136,435},
        {1144,433},
        {1152,430},
        {1160,428},
        {1168,425},
        {1176,423},
        {1184,421},
        {1192,418},
        {1200,416},
        {1208,414},
        {1216,411},
        {1224,409},
        {1232,407},
        {1240,405},
        {1248,402},
        {1256,400},
        {1264,398},
        {1272,396},
        {1280,394},
        {1288,391},
        {1296,389},
        {1304,387},
        {1312,385},
        {1320,383},
        {1328,381},
        {1336,378},
        {1344,376},
        {1352,374},
        {1360,372},
        {1368,370},
        {1376,368},
        {1384,366},
        {1392,364},
        {1400,362},
        {1408,360},
        {1416,358},
        {1424,356},
        {1432,354},
        {1440,352},
        {1448,350},
        {1456,348},
        {1464,346},
        {1472,344},
        {1480,342},
        {1488,340},
        {1496,338},
        {1504,336},
        {1512,334},
        {1520,332},
        {1528,330},
        {1536,328},
        {1544,326},
        {1552,324},
        {1560,322},
        {1568,320},
        {1576,318},
        {1584,316},
        {1592,314},
        {1600,312},
        {1608,311},
        {1616,309},
        {1624,307},
        {1632,305},
        {1640,303},
        {1648,301},
        {1656,299},
        {1664,297},
        {1672,296},
        {1680,294},
        {1688,292},
        {1696,290},
        {1704,288},
        {1712,286},
        {1720,285},
        {1728,283},
        {1736,281},
        {1744,279},
        {1752,277},
        {1760,276},
        {1768,274},
        {1776,272},
        {1784,270},
        {1792,268},
        {1800,267},
        {1808,265},
        {1816,263},
        {1824,261},
        {1832,260},
        {1840,258},
        {1848,256},
        {1856,254},
        {1864,253},
        {1872,251},
        {1880,249},
        {1888,247},
        {1896,246},
        {1904,244},
        {1912,242},
        {1920,240},
        {1928,239},
        {1936,237},
        {1944,235},
        {1952,233},
        {1960,232},
        {1968,230},
        {1976,228},
        {1984,227},
        {1992,225},
        {2000,223},
        {2008,221},
        {2016,220},
        {2024,218},
        {2032,216},
        {2040,215},
        {2048,213},
        {2056,211},
        {2064,209},
        {2072,208},
        {2080,206},
        {2088,204},
        {2096,203},
        {2104,201},
        {2112,199},
        {2120,198},
        {2128,196},
        {2136,194},
        {2144,193},
        {2152,191},
        {2160,189},
        {2168,188},
        {2176,186},
        {2184,184},
        {2192,182},
        {2200,181},
        {2208,179},
        {2216,177},
        {2224,176},
        {2232,174},
        {2240,172},
        {2248,171},
        {2256,169},
        {2264,167},
        {2272,166},
        {2280,164},
        {2288,162},
        {2296,161},
        {2304,159},
        {2312,157},
        {2320,156},
        {2328,154},
        {2336,152},
        {2344,151},
        {2352,149},
        {2360,147},
        {2368,146},
        {2376,144},
        {2384,142},
        {2392,141},
        {2400,139},
        {2408,137},
        {2416,136},
        {2424,134},
        {2432,132},
        {2440,130},
        {2448,129},
        {2456,127},
        {2464,125},
        {2472,124},
        {2480,122},
        {2488,120},
        {2496,119},
        {2504,117},
        {2512,115},
        {2520,114},
        {2528,112},
        {2536,110},
        {2544,109},
        {2552,107},
        {2560,105},
        {2568,104},
        {2576,102},
        {2584,100},
        {2592,98},
        {2600,97},
        {2608,95},
        {2616,93},
        {2624,92},
        {2632,90},
        {2640,88},
        {2648,86},
        {2656,85},
        {2664,83},
        {2672,81},
        {2680,79},
        {2688,78},
        {2696,76},
        {2704,74},
        {2712,73},
        {2720,71},
        {2728,69},
        {2736,67},
        {2744,66},
        {2752,64},
        {2760,62},
        {2768,60},
        {2776,58},
        {2784,57},
        {2792,55},
        {2800,53},
        {2808,51},
        {2816,50},
        {2824,48},
        {2832,46},
        {2840,44},
        {2848,42},
        {2856,41},
        {2864,39},
        {2872,37},
        {2880,35},
        {2888,33},
        {2896,31},
        {2904,30},
        {2912,28},
        {2920,26},
        {2928,24},
        {2936,22},
        {2944,20},
        {2952,18},
        {2960,16},
        {2968,15},
        {2976,13},
        {2984,11},
        {2992,9},
        {3000,7},
        {3008,5},
        {3016,3},
        {3024,1},
        {3032,0},
        {3040,-2},
        {3048,-4},
        {3056,-6},
        {3064,-8},
        {3072,-10},
        {3080,-12},
        {3088,-14},
        {3096,-16},
        {3104,-18},
        {3112,-20},
        {3120,-22},
        {3128,-24},
        {3136,-26},
        {3144,-28},
        {3152,-30},
        {3160,-32},
        {3168,-34},
        {3176,-36},
        {3184,-38},
        {3192,-40},
        {3200,-42},
        {3208,-44},
        {3216,-47},
        {3224,-49},
        {3232,-51},
        {3240,-53},
        {3248,-55},
        {3256,-58},
        {3264,-60},
        {3272,-62},
        {3280,-64},
        {3288,-67},
        {3296,-69},
        {3304,-71},
        {3312,-73},
        {3320,-76},
        {3328,-78},
        {3336,-80},
        {3344,-83},
        {3352,-85},
        {3360,-88},
        {3368,-90},
        {3376,-92},
        {3384,-95},
        {3392,-97},
        {3400,-100},
        {3408,-102},
        {3416,-105},
        {3424,-107},
        {3432,-110},
        {3440,-112},
        {3448,-115},
        {3456,-118},
        {3464,-120},
        {3472,-123},
        {3480,-126},
        {3488,-128},
        {3496,-131},
        {3504,-134},
        {3512,-137},
        {3520,-140},
        {3528,-142},
        {3536,-145},
        {3544,-148},
        {3552,-151},
        {3560,-154},
        {3568,-157},
        {3576,-160},
        {3584,-163},
        {3592,-166},
        {3600,-170},
        {3608,-173},
        {3616,-176},
        {3624,-179},
        {3632,-182},
        {3640,-186},
        {3648,-189},
        {3656,-193},
        {3664,-196},
        {3672,-200},
        {3680,-203},
        {3688,-207},
        {3696,-211},
        {3704,-214},
        {3712,-218},
        {3720,-222},
        {3728,-226},
        {3736,-230},
        {3744,-234},
        {3752,-238},
        {3760,-242},
        {3768,-247},
        {3776,-251},
        {3784,-256},
        {3792,-260},
        {3800,-265},
        {3808,-270},
        {3816,-275},
        {3824,-280},
        {3832,-285},
        {3840,-290},
        {3848,-296},
        {3856,-301},
        {3864,-307},
        {3872,-313},
        {3880,-319},
        {3888,-325},
        {3896,-332},
        {3904,-338},
        {3912,-345},
        {3920,-352},
        {3928,-360},
        {3936,-368},
        {3944,-376},
        {3952,-384},
        {3960,-393},
        {3968,-403},
        {3976,-412},
        {3984,-423},
        {3992,-434},
        {4000,-446},
        {4008,-459},
        {4016,-472},
        {4024,-487},
        {4032,-504},
        {4040,-522},
        {4048,-543},
        {4056,-568},
        {4064,-597},
        {4072,-634},
        {4080,-684},
        {4088,-768}
};
*/

ntc_table_entry ntc_table[] = {
{0,-2731},
{8,0},
{16,0},
{24,0},
{32,0},
{40,0},
{48,0},
{56,0},
{64,0},
{72,0},
{80,0},
{88,0},
{96,0},
{104,0},
{112,0},
{120,0},
{128,0},
{136,0},
{144,0},
{152,0},
{160,0},
{168,0},
{176,0},
{184,0},
{192,0},
{200,0},
{208,0},
{216,0},
{224,0},
{232,0},
{240,0},
{248,0},
{256,0},
{264,0},
{272,0},
{280,0},
{288,0},
{296,0},
{304,0},
{312,0},
{320,0},
{328,0},
{336,0},
{344,0},
{352,0},
{360,0},
{368,845},
{376,838},
{384,831},
{392,824},
{400,817},
{408,810},
{416,803},
{424,796},
{432,790},
{440,784},
{448,777},
{456,771},
{464,765},
{472,760},
{480,754},
{488,748},
{496,743},
{504,737},
{512,732},
{520,726},
{528,721},
{536,716},
{544,711},
{552,706},
{560,701},
{568,696},
{576,692},
{584,687},
{592,682},
{600,678},
{608,673},
{616,669},
{624,664},
{632,660},
{640,656},
{648,652},
{656,647},
{664,643},
{672,639},
{680,635},
{688,631},
{696,627},
{704,623},
{712,620},
{720,616},
{728,612},
{736,608},
{744,605},
{752,601},
{760,597},
{768,594},
{776,590},
{784,587},
{792,583},
{800,580},
{808,577},
{816,573},
{824,570},
{832,567},
{840,563},
{848,560},
{856,557},
{864,554},
{872,550},
{880,547},
{888,544},
{896,541},
{904,538},
{912,535},
{920,532},
{928,529},
{936,526},
{944,523},
{952,520},
{960,517},
{968,514},
{976,512},
{984,509},
{992,506},
{1000,503},
{1008,500},
{1016,498},
{1024,495},
{1032,492},
{1040,489},
{1048,487},
{1056,484},
{1064,481},
{1072,479},
{1080,476},
{1088,474},
{1096,471},
{1104,468},
{1112,466},
{1120,463},
{1128,461},
{1136,458},
{1144,456},
{1152,453},
{1160,451},
{1168,448},
{1176,446},
{1184,443},
{1192,441},
{1200,439},
{1208,436},
{1216,434},
{1224,431},
{1232,429},
{1240,427},
{1248,424},
{1256,422},
{1264,420},
{1272,418},
{1280,415},
{1288,413},
{1296,411},
{1304,408},
{1312,406},
{1320,404},
{1328,402},
{1336,400},
{1344,397},
{1352,395},
{1360,393},
{1368,391},
{1376,389},
{1384,386},
{1392,384},
{1400,382},
{1408,380},
{1416,378},
{1424,376},
{1432,374},
{1440,371},
{1448,369},
{1456,367},
{1464,365},
{1472,363},
{1480,361},
{1488,359},
{1496,357},
{1504,355},
{1512,353},
{1520,351},
{1528,349},
{1536,347},
{1544,345},
{1552,343},
{1560,341},
{1568,339},
{1576,337},
{1584,335},
{1592,333},
{1600,331},
{1608,329},
{1616,327},
{1624,325},
{1632,323},
{1640,321},
{1648,319},
{1656,317},
{1664,315},
{1672,314},
{1680,312},
{1688,310},
{1696,308},
{1704,306},
{1712,304},
{1720,302},
{1728,300},
{1736,298},
{1744,297},
{1752,295},
{1760,293},
{1768,291},
{1776,289},
{1784,287},
{1792,285},
{1800,283},
{1808,282},
{1816,280},
{1824,278},
{1832,276},
{1840,274},
{1848,272},
{1856,271},
{1864,269},
{1872,267},
{1880,265},
{1888,263},
{1896,262},
{1904,260},
{1912,258},
{1920,256},
{1928,254},
{1936,253},
{1944,251},
{1952,249},
{1960,247},
{1968,245},
{1976,244},
{1984,242},
{1992,240},
{2000,238},
{2008,237},
{2016,235},
{2024,233},
{2032,231},
{2040,230},
{2048,228},
{2056,226},
{2064,224},
{2072,222},
{2080,221},
{2088,219},
{2096,217},
{2104,215},
{2112,214},
{2120,212},
{2128,210},
{2136,208},
{2144,207},
{2152,205},
{2160,203},
{2168,202},
{2176,200},
{2184,198},
{2192,196},
{2200,195},
{2208,193},
{2216,191},
{2224,189},
{2232,188},
{2240,186},
{2248,184},
{2256,182},
{2264,181},
{2272,179},
{2280,177},
{2288,176},
{2296,174},
{2304,172},
{2312,170},
{2320,169},
{2328,167},
{2336,165},
{2344,163},
{2352,162},
{2360,160},
{2368,158},
{2376,156},
{2384,155},
{2392,153},
{2400,151},
{2408,150},
{2416,148},
{2424,146},
{2432,144},
{2440,143},
{2448,141},
{2456,139},
{2464,137},
{2472,136},
{2480,134},
{2488,132},
{2496,130},
{2504,129},
{2512,127},
{2520,125},
{2528,123},
{2536,122},
{2544,120},
{2552,118},
{2560,116},
{2568,115},
{2576,113},
{2584,111},
{2592,109},
{2600,108},
{2608,106},
{2616,104},
{2624,102},
{2632,101},
{2640,99},
{2648,97},
{2656,95},
{2664,94},
{2672,92},
{2680,90},
{2688,88},
{2696,86},
{2704,85},
{2712,83},
{2720,81},
{2728,79},
{2736,77},
{2744,76},
{2752,74},
{2760,72},
{2768,70},
{2776,68},
{2784,66},
{2792,65},
{2800,63},
{2808,61},
{2816,59},
{2824,57},
{2832,55},
{2840,53},
{2848,52},
{2856,50},
{2864,48},
{2872,46},
{2880,44},
{2888,42},
{2896,40},
{2904,38},
{2912,37},
{2920,35},
{2928,33},
{2936,31},
{2944,29},
{2952,27},
{2960,25},
{2968,23},
{2976,21},
{2984,19},
{2992,17},
{3000,15},
{3008,13},
{3016,11},
{3024,9},
{3032,7},
{3040,5},
{3048,3},
{3056,1},
{3064,0},
{3072,-2},
{3080,-4},
{3088,-6},
{3096,-8},
{3104,-10},
{3112,-12},
{3120,-14},
{3128,-16},
{3136,-18},
{3144,-21},
{3152,-23},
{3160,-25},
{3168,-27},
{3176,-29},
{3184,-31},
{3192,-33},
{3200,-36},
{3208,-38},
{3216,-40},
{3224,-42},
{3232,-44},
{3240,-47},
{3248,-49},
{3256,-51},
{3264,-53},
{3272,-56},
{3280,-58},
{3288,-60},
{3296,-63},
{3304,-65},
{3312,-67},
{3320,-70},
{3328,-72},
{3336,-75},
{3344,-77},
{3352,-79},
{3360,-82},
{3368,-84},
{3376,-87},
{3384,-89},
{3392,-92},
{3400,-94},
{3408,-97},
{3416,-100},
{3424,-102},
{3432,-105},
{3440,-107},
{3448,-110},
{3456,-113},
{3464,-116},
{3472,-118},
{3480,-121},
{3488,-124},
{3496,-127},
{3504,-129},
{3512,-132},
{3520,-135},
{3528,-138},
{3536,-141},
{3544,-144},
{3552,-147},
{3560,-150},
{3568,-153},
{3576,-156},
{3584,-159},
{3592,-163},
{3600,-166},
{3608,-169},
{3616,-172},
{3624,-176},
{3632,-179},
{3640,-183},
{3648,-186},
{3656,-190},
{3664,-193},
{3672,-197},
{3680,-200},
{3688,-204},
{3696,-208},
{3704,-212},
{3712,-216},
{3720,-220},
{3728,-224},
{3736,-228},
{3744,-232},
{3752,-236},
{3760,-240},
{3768,-245},
{3776,-249},
{3784,-254},
{3792,-259},
{3800,-263},
{3808,-268},
{3816,-273},
{3824,-278},
{3832,-283},
{3840,-289},
{3848,-294},
{3856,-300},
{3864,-306},
{3872,-312},
{3880,-318},
{3888,-324},
{3896,-331},
{3904,-338},
{3912,-345},
{3920,-352},
{3928,-360},
{3936,-367},
{3944,-376},
{3952,-384},
{3960,-393},
{3968,-403},
{3976,-413},
{3984,-423},
{3992,-434},
{4000,-446},
{4008,-459},
{4016,-473},
{4024,-488},
{4032,-505},
{4040,-524},
{4048,-545},
{4056,-569},
{4064,-599},
{4072,-636},
{4080,-686},
{4088,-770},
};

// Функция расчёта сопротивления NTC из значения АЦП
static float calculate_resistance(uint16_t adc_value) {
    if (adc_value == 0 || adc_value >= (uint16_t) ADC_MAX) {
        return 0.0f;
    }
    // Формула делителя напряжения: R_ntc = R1 * (ADC_MAX / adc_value - 1)
    // float R_ntc = R1 * (ADC_MAX / (float)adc_value - 1.0f);

    float R_ntc = R1 * (float) adc_value / (ADC_MAX - (float) adc_value);

    return R_ntc;
}


// Бинарный поиск в таблице
static int find_interval_index(float resistance) {
    int left = 0;
    int right = TABLE_SIZE - 1;

    // Проверка границ
    if (resistance >= ntc_table[0].r_nom) return 0;
    if (resistance <= ntc_table[right].r_nom) return right - 1;

    // Бинарный поиск
    while (left <= right) {
        int mid = left + (right - left) / 2;

        if (mid < TABLE_SIZE - 1 &&
            resistance <= ntc_table[mid].r_nom &&
            resistance >= ntc_table[mid + 1].r_nom) {
            return mid;
        }

        if (resistance > ntc_table[mid].r_nom) {
            right = mid - 1;
        } else {
            left = mid + 1;
        }
    }

    return -1; // Не найден
}

// Интерполяция с использованием уравнения Стейнхарта-Харта между точками
static float interpolate_steinhart(float resistance, int index) {
    // Берем две соседние точки из таблицы
    float t1 = (float) ntc_table[index].temp_c + 273.15f;     // в Кельвинах
    float t2 = (float) ntc_table[index + 1].temp_c + 273.15f;
    float r1 = ntc_table[index].r_nom;
    float r2 = ntc_table[index + 1].r_nom;

    // Вычисляем коэффициент B для интервала
    float B = logf(r1 / r2) / (1.0f / t1 - 1.0f / t2);

    // Используем уравнение Стейнхарта-Харта для вычисления температуры
    float steinhart = logf(resistance / r1) / B + 1.0f / t1;
    float temp_k = 1.0f / steinhart;

    return temp_k - 273.15f; // Конвертация в °C
}

// Линейная интерполяция в логарифмическом масштабе
static float interpolate_log_linear(float resistance, int index) {
    float t1 = (float) ntc_table[index].temp_c;
    float t2 = (float) ntc_table[index + 1].temp_c;
    float r1 = ntc_table[index].r_nom;
    float r2 = ntc_table[index + 1].r_nom;

    float log_r1 = logf(r1);
    float log_r2 = logf(r2);
    float log_r = logf(resistance);

    return t1 + (t2 - t1) * (log_r - log_r1) / (log_r2 - log_r1);
}

// Более надежная версия с проверкой параметров
static float interpolate_steinhart_full(float resistance, int index) {
    // Проверка корректности входных данных
    if (resistance <= 0.0f) {
        return -273.15f;  // Абсолютный ноль при некорректном сопротивлении
    }

    // Для повышения точности можно использовать таблицу как справочную,
    // но основное вычисление - по уравнению с коэффициентами
    double L = logf(resistance);

    // Для термисторов NTC коэффициент C обычно очень маленький (порядка 1e-7...1e-8)
    // Убедимся, что кубический член вычислен корректно
    double L3 = L * L * L;
    double inv_T = koef_A + koef_B * L + koef_C * L3;

    // Проверка на физическую реализуемость (температура должна быть положительной в Кельвинах)
    if (inv_T <= 0.0f || inv_T > 1.0f) {  // 1/T не может быть <= 0 (T < 0K) или слишком большим
        // В случае ошибки возвращаем температуру из таблицы по индексу
        return (float) ntc_table[index].temp_c;
    }

    double temp_K = 1.0f / inv_T;

    // Дополнительная проверка диапазона (например, для NTC обычно -50...+150°C)
    if (temp_K < 223.15f || temp_K > 423.15f) {  // -50°C...150°C в Кельвинах
        // Возвращаем значение из таблицы как запасной вариант
        return (float) ntc_table[index].temp_c;
    }

    return (float) (temp_K - 273.15f);
}

// Основная функция для получения температуры
float get_temperature_from_adc_KST45(uint16_t adc_value, eAlg use_alg) {
    float resistance = calculate_resistance(adc_value);

    if (resistance <= 0.0f) {
        return -273.15f; // Ошибка
    }

    int index = find_interval_index(resistance);

    if (index < 0 || index >= TABLE_SIZE - 1) {
        // Вне диапазона таблицы
        if (resistance >= ntc_table[0].r_nom) return TABLE_START_TEMP;
        if (resistance <= ntc_table[TABLE_SIZE - 1].r_nom) return TABLE_END_TEMP;
        return -273.15f; // Ошибка
    }

    if (use_alg == ALG_STEINHART) {
        return interpolate_steinhart(resistance, index);
    } else if (use_alg == ALG_STEINHART_FULL) {
        return interpolate_steinhart_full(resistance, index);
    } else {
        return interpolate_log_linear(resistance, index);
    }
}


// Предварительно вычисленная таблица для быстрого доступа
typedef struct {
    uint16_t adc_value;  // Значение АЦП
    int16_t temp_c;      // Температура в °C * 10 (для фиксированной точки)
} adc_temp_lookup;

static adc_temp_lookup fast_lookup[TABLE_SIZE_LOOKUP] = {
        {0,-2731},
        {8,2672},
        {16,2220},
        {24,1988},
        {32,1837},
        {40,1725},
        {48,1638},
        {56,1567},
        {64,1507},
        {72,1455},
        {80,1410},
        {88,1370},
        {96,1334},
        {104,1301},
        {112,1271},
        {120,1244},
        {128,1218},
        {136,1195},
        {144,1173},
        {152,1152},
        {160,1133},
        {168,1114},
        {176,1097},
        {184,1080},
        {192,1065},
        {200,1050},
        {208,1035},
        {216,1022},
        {224,1009},
        {232,996},
        {240,984},
        {248,972},
        {256,961},
        {264,950},
        {272,940},
        {280,929},
        {288,920},
        {296,910},
        {304,901},
        {312,892},
        {320,883},
        {328,875},
        {336,866},
        {344,858},
        {352,850},
        {360,843},
        {368,835},
        {376,828},
        {384,821},
        {392,814},
        {400,807},
        {408,800},
        {416,794},
        {424,788},
        {432,781},
        {440,775},
        {448,769},
        {456,763},
        {464,758},
        {472,752},
        {480,746},
        {488,741},
        {496,735},
        {504,730},
        {512,725},
        {520,720},
        {528,715},
        {536,710},
        {544,705},
        {552,700},
        {560,695},
        {568,690},
        {576,686},
        {584,681},
        {592,677},
        {600,672},
        {608,668},
        {616,664},
        {624,659},
        {632,655},
        {640,651},
        {648,647},
        {656,643},
        {664,639},
        {672,635},
        {680,631},
        {688,627},
        {696,623},
        {704,619},
        {712,616},
        {720,612},
        {728,608},
        {736,605},
        {744,601},
        {752,598},
        {760,594},
        {768,591},
        {776,587},
        {784,584},
        {792,580},
        {800,577},
        {808,574},
        {816,571},
        {824,567},
        {832,564},
        {840,561},
        {848,558},
        {856,555},
        {864,552},
        {872,549},
        {880,546},
        {888,543},
        {896,539},
        {904,536},
        {912,534},
        {920,531},
        {928,528},
        {936,525},
        {944,522},
        {952,519},
        {960,516},
        {968,513},
        {976,511},
        {984,508},
        {992,505},
        {1000,502},
        {1008,500},
        {1016,497},
        {1024,494},
        {1032,492},
        {1040,489},
        {1048,486},
        {1056,484},
        {1064,481},
        {1072,479},
        {1080,476},
        {1088,474},
        {1096,471},
        {1104,469},
        {1112,466},
        {1120,464},
        {1128,461},
        {1136,459},
        {1144,456},
        {1152,454},
        {1160,451},
        {1168,449},
        {1176,447},
        {1184,444},
        {1192,442},
        {1200,440},
        {1208,437},
        {1216,435},
        {1224,433},
        {1232,430},
        {1240,428},
        {1248,426},
        {1256,423},
        {1264,421},
        {1272,419},
        {1280,417},
        {1288,415},
        {1296,412},
        {1304,410},
        {1312,408},
        {1320,406},
        {1328,404},
        {1336,401},
        {1344,399},
        {1352,397},
        {1360,395},
        {1368,393},
        {1376,391},
        {1384,389},
        {1392,387},
        {1400,384},
        {1408,382},
        {1416,380},
        {1424,378},
        {1432,376},
        {1440,374},
        {1448,372},
        {1456,370},
        {1464,368},
        {1472,366},
        {1480,364},
        {1488,362},
        {1496,360},
        {1504,358},
        {1512,356},
        {1520,354},
        {1528,352},
        {1536,350},
        {1544,348},
        {1552,346},
        {1560,344},
        {1568,342},
        {1576,340},
        {1584,338},
        {1592,337},
        {1600,335},
        {1608,333},
        {1616,331},
        {1624,329},
        {1632,327},
        {1640,325},
        {1648,323},
        {1656,321},
        {1664,319},
        {1672,318},
        {1680,316},
        {1688,314},
        {1696,312},
        {1704,310},
        {1712,308},
        {1720,306},
        {1728,305},
        {1736,303},
        {1744,301},
        {1752,299},
        {1760,297},
        {1768,295},
        {1776,294},
        {1784,292},
        {1792,290},
        {1800,288},
        {1808,286},
        {1816,285},
        {1824,283},
        {1832,281},
        {1840,279},
        {1848,277},
        {1856,276},
        {1864,274},
        {1872,272},
        {1880,270},
        {1888,269},
        {1896,267},
        {1904,265},
        {1912,263},
        {1920,262},
        {1928,260},
        {1936,258},
        {1944,256},
        {1952,255},
        {1960,253},
        {1968,251},
        {1976,249},
        {1984,248},
        {1992,246},
        {2000,244},
        {2008,242},
        {2016,241},
        {2024,239},
        {2032,237},
        {2040,235},
        {2048,234},
        {2056,232},
        {2064,230},
        {2072,229},
        {2080,227},
        {2088,225},
        {2096,223},
        {2104,222},
        {2112,220},
        {2120,218},
        {2128,217},
        {2136,215},
        {2144,213},
        {2152,211},
        {2160,210},
        {2168,208},
        {2176,206},
        {2184,205},
        {2192,203},
        {2200,201},
        {2208,200},
        {2216,198},
        {2224,196},
        {2232,194},
        {2240,193},
        {2248,191},
        {2256,189},
        {2264,188},
        {2272,186},
        {2280,184},
        {2288,183},
        {2296,181},
        {2304,179},
        {2312,178},
        {2320,176},
        {2328,174},
        {2336,172},
        {2344,171},
        {2352,169},
        {2360,167},
        {2368,166},
        {2376,164},
        {2384,162},
        {2392,161},
        {2400,159},
        {2408,157},
        {2416,155},
        {2424,154},
        {2432,152},
        {2440,150},
        {2448,149},
        {2456,147},
        {2464,145},
        {2472,144},
        {2480,142},
        {2488,140},
        {2496,138},
        {2504,137},
        {2512,135},
        {2520,133},
        {2528,132},
        {2536,130},
        {2544,128},
        {2552,126},
        {2560,125},
        {2568,123},
        {2576,121},
        {2584,120},
        {2592,118},
        {2600,116},
        {2608,114},
        {2616,113},
        {2624,111},
        {2632,109},
        {2640,107},
        {2648,106},
        {2656,104},
        {2664,102},
        {2672,100},
        {2680,99},
        {2688,97},
        {2696,95},
        {2704,93},
        {2712,92},
        {2720,90},
        {2728,88},
        {2736,86},
        {2744,85},
        {2752,83},
        {2760,81},
        {2768,79},
        {2776,77},
        {2784,76},
        {2792,74},
        {2800,72},
        {2808,70},
        {2816,68},
        {2824,67},
        {2832,65},
        {2840,63},
        {2848,61},
        {2856,59},
        {2864,57},
        {2872,56},
        {2880,54},
        {2888,52},
        {2896,50},
        {2904,48},
        {2912,46},
        {2920,44},
        {2928,43},
        {2936,41},
        {2944,39},
        {2952,37},
        {2960,35},
        {2968,33},
        {2976,31},
        {2984,29},
        {2992,27},
        {3000,25},
        {3008,23},
        {3016,22},
        {3024,20},
        {3032,18},
        {3040,16},
        {3048,14},
        {3056,12},
        {3064,10},
        {3072,8},
        {3080,6},
        {3088,4},
        {3096,2},
        {3104,0},
        {3112,-1},
        {3120,-4},
        {3128,-6},
        {3136,-8},
        {3144,-10},
        {3152,-12},
        {3160,-14},
        {3168,-16},
        {3176,-18},
        {3184,-20},
        {3192,-22},
        {3200,-25},
        {3208,-27},
        {3216,-29},
        {3224,-31},
        {3232,-33},
        {3240,-35},
        {3248,-38},
        {3256,-40},
        {3264,-42},
        {3272,-44},
        {3280,-47},
        {3288,-49},
        {3296,-51},
        {3304,-54},
        {3312,-56},
        {3320,-58},
        {3328,-61},
        {3336,-63},
        {3344,-65},
        {3352,-68},
        {3360,-70},
        {3368,-73},
        {3376,-75},
        {3384,-78},
        {3392,-80},
        {3400,-83},
        {3408,-85},
        {3416,-88},
        {3424,-90},
        {3432,-93},
        {3440,-95},
        {3448,-98},
        {3456,-101},
        {3464,-103},
        {3472,-106},
        {3480,-109},
        {3488,-112},
        {3496,-114},
        {3504,-117},
        {3512,-120},
        {3520,-123},
        {3528,-126},
        {3536,-129},
        {3544,-132},
        {3552,-134},
        {3560,-137},
        {3568,-140},
        {3576,-144},
        {3584,-147},
        {3592,-150},
        {3600,-153},
        {3608,-156},
        {3616,-159},
        {3624,-163},
        {3632,-166},
        {3640,-170},
        {3648,-173},
        {3656,-176},
        {3664,-180},
        {3672,-184},
        {3680,-187},
        {3688,-191},
        {3696,-195},
        {3704,-198},
        {3712,-202},
        {3720,-206},
        {3728,-210},
        {3736,-214},
        {3744,-218},
        {3752,-222},
        {3760,-227},
        {3768,-231},
        {3776,-236},
        {3784,-240},
        {3792,-245},
        {3800,-249},
        {3808,-254},
        {3816,-259},
        {3824,-264},
        {3832,-270},
        {3840,-275},
        {3848,-280},
        {3856,-286},
        {3864,-292},
        {3872,-298},
        {3880,-304},
        {3888,-310},
        {3896,-317},
        {3904,-323},
        {3912,-330},
        {3920,-338},
        {3928,-345},
        {3936,-353},
        {3944,-361},
        {3952,-370},
        {3960,-379},
        {3968,-388},
        {3976,-398},
        {3984,-409},
        {3992,-420},
        {4000,-432},
        {4008,-445},
        {4016,-459},
        {4024,-474},
        {4032,-491},
        {4040,-510},
        {4048,-531},
        {4056,-556},
        {4064,-585},
        {4072,-622},
        {4080,-673},
        {4088,-758},
}; // Таблица на TABLE_SIZE_LOOKUP значений

void init_fast_lookup_table(eAlg use_alg) {
    // Создаем таблицу для быстрого преобразования АЦП->температура
    for (uint16_t i = 0; i < TABLE_SIZE_LOOKUP; i++) {
        uint16_t adc = i * (uint8_t) roundf(ADC_MAX / (TABLE_SIZE_LOOKUP - 1)); // Для 12-битного АЦП (0-4095)
        float temp = get_temperature_from_adc_KST45(adc, use_alg);
        fast_lookup[i].adc_value = adc;
        fast_lookup[i].temp_c = (int16_t) (temp * 10.0f); // Храним с точностью 0.1°C
    }
}

int16_t get_temperature_fast_KST45(uint16_t adc_value) {
    // Простой поиск в таблице с линейной интерполяцией
    uint16_t index =
            adc_value / (uint8_t) roundf(ADC_MAX / (TABLE_SIZE_LOOKUP - 1)); // Делим на 16 для TABLE_SIZE_LOOKUP = 256
    if (index >= (TABLE_SIZE_LOOKUP - 1)) return fast_lookup[TABLE_SIZE_LOOKUP - 1].temp_c;

    uint16_t adc1 = fast_lookup[index].adc_value;
    uint16_t adc2 = fast_lookup[index + 1].adc_value;
    int16_t temp1 = fast_lookup[index].temp_c;
    int16_t temp2 = fast_lookup[index + 1].temp_c;

    // Линейная интерполяция
    return temp1 + ((temp2 - temp1) * (adc_value - adc1)) / (adc2 - adc1);
}