1 /* 2 * Author: Jon Trulson <jtrulson@ics.com> 3 * Copyright (c) 2015 Intel Corporation. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be 14 * included in all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 // This table was taken from the '538U VT Table__20_200(v1.3).pdf' 26 // datasheet, but the 25C column has been removed for consistency. 27 28 static const int otp538u_vt_table_max = 23; 29 30 // Thermistor temperature (C) 31 // { -20 -10 0 10 20 30 40 50 60 70 80 90 100 } 32 33 static float otp538u_vt_table[otp538u_vt_table_max][13] = { 34 // object temp (C) 35 {0.000, -0.246, -0.523, -0.832, -1.177, -1.559, // -20C 36 -1.981, -2.446, -2.957, -3.516, -4.126, -4.791, -5.513}, 37 38 {0.243, 0.000, -0.274, -0.580, -0.922, -1.301, // -10 39 -1.721, -2.183, -2.691, -3.247, -3.854, -4.516, -5.236}, 40 41 {0.511, 0.271, 0.000, -0.303, -0.642, -1.018, // 0 42 -1.434, -1.894, -2.398, -2.951, -3.556, -4.215, -4.931}, 43 44 {0.804, 0.567, 0.300, 0.000, -0.335, -0.708, // 10 45 -1.121, -1.577, -2.078, -2.628, -3.229, -3.884, -4.597}, 46 47 {1.125, 0.891, 0.628, 0.331, 0.000, -0.369, // 20 48 -0.778, -1.230, -1.728, -2.274, -2.871, -3.523, -4.232}, 49 50 {1.474, 1.244, 0.985, 0.692, 0.365, 0.000, // 30 51 -0.405, -0.853, -1.347, -1.889, -2.482, -3.130, -3.835}, 52 53 {1.852, 1.628, 1.372, 1.084, 0.761, 0.401, // 40 54 0.000, -0.444, -0.933, -1.470, -2.059, -2.702, -3.403}, 55 56 {2.263, 2.043, 1.792, 1.509, 1.191, 0.835, // 50 57 0.439, 0.000, -0.484, -1.017, -1.601, -2.240, -2.936}, 58 59 {2.706, 2.491, 2.246, 1.968, 1.655, 1.304, // 60 60 0.913, 0.479, 0.000, -0.528, -1.107, -1.740, -2.431}, 61 62 {3.184, 2.975, 2.735, 2.462, 2.155, 1.809, // 70 63 1.424, 0.996, 0.522, 0.000, -0.573, -1.201, -1.887}, 64 65 {3.698, 3.495, 3.261, 2.994, 2.692, 2.353, // 80 66 1.974, 1.552, 1.084, 0.568, 0.000, -0.622, -1.301}, 67 68 {4.250, 4.053, 3.825, 3.565, 3.270, 2.937, // 90 69 2.564, 2.148, 1.687, 1.177, 0.616, 0.000, -0.673}, 70 71 {4.841, 4.651, 4.430, 4.177, 3.888, 3.562, // 100 72 3.196, 2.787, 2.332, 1.829, 1.275, 0.666, 0.000}, 73 74 {5.473, 5.290, 5.076, 4.830, 4.549, 4.231, // 110 75 3.872, 3.470, 3.023, 2.527, 1.980, 1.379, 0.720}, 76 77 {6.147, 5.972, 5.767, 5.528, 5.255, 4.944, // 120 78 4.593, 4.199, 3.760, 3.272, 2.733, 2.139, 1.488}, 79 80 {6.866, 6.699, 6.502, 6.272, 6.007, 5.705, // 130 81 5.362, 4.976, 4.545, 4.066, 3.535, 2.950, 2.307}, 82 83 {7.631, 7.473, 7.285, 7.064, 6.808, 6.514, // 140 84 6.180, 5.803, 5.381, 4.910, 4.388, 3.812, 3.178}, 85 86 {8.444, 8.295, 8.116, 7.905, 7.658, 7.373, // 150 87 7.049, 6.682, 6.269, 5.807, 5.295, 4.728, 4.103}, 88 89 {9.306, 9.167, 8.998, 8.796, 8.560, 8.285, // 160 90 7.971, 7.613, 7.211, 6.759, 6.257, 5.700, 5.085}, 91 92 {10.219, 10.091, 9.933, 9.741, 9.515, 9.251, // 170 93 8.947, 8.601, 8.208, 7.768, 7.276, 6.729, 6.125}, 94 95 {11.185, 11.068, 10.921, 10.741, 10.526, 10.274, // 180 96 9.981, 9.645, 9.264, 8.835, 8.354, 7.818, 7.226}, 97 98 {12.206, 12.101, 11.966, 11.798, 11.595, 11.354, // 190 99 11.073, 10.749, 10.380, 9.962, 9.493, 8.969, 8.388}, 100 101 {13.284, 13.191, 13.068, 12.913, 12.722, 12.494, // 200 102 12.225, 11.914, 11.557, 11.152, 10.695, 10.184, 9.616} 103 }; 104 105