diff options
Diffstat (limited to 'driver/temp_sensor/thermistor.c')
| -rw-r--r-- | driver/temp_sensor/thermistor.c | 141 |
1 files changed, 71 insertions, 70 deletions
diff --git a/driver/temp_sensor/thermistor.c b/driver/temp_sensor/thermistor.c index bef10416b6..25fe0f56e8 100644 --- a/driver/temp_sensor/thermistor.c +++ b/driver/temp_sensor/thermistor.c @@ -1,4 +1,4 @@ -/* Copyright 2018 The Chromium OS Authors. All rights reserved. +/* Copyright 2018 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ @@ -9,13 +9,14 @@ */ #include "adc.h" +#include "builtin/assert.h" #include "common.h" #include "gpio.h" #include "temp_sensor/thermistor.h" #include "util.h" int thermistor_linear_interpolate(uint16_t mv, - const struct thermistor_info *info) + const struct thermistor_info *info) { const struct thermistor_data_pair *data = info->data; int v_high = 0, v_low = 0, t_low, t_high, num_steps; @@ -66,7 +67,7 @@ int thermistor_linear_interpolate(uint16_t mv, return t_low + num_steps; } -#if defined(CONFIG_STEINHART_HART_3V3_51K1_47K_4050B) || \ +#if defined(CONFIG_STEINHART_HART_3V3_51K1_47K_4050B) || \ defined(CONFIG_STEINHART_HART_3V3_13K7_47K_4050B) || \ defined(CONFIG_STEINHART_HART_6V0_51K1_47K_4050B) || \ defined(CONFIG_STEINHART_HART_3V0_22K6_47K_4050B) || \ @@ -103,19 +104,19 @@ int thermistor_get_temperature(int idx_adc, int *temp_ptr, */ #define THERMISTOR_SCALING_FACTOR_51_47 11 static const struct thermistor_data_pair thermistor_data_51_47[] = { - { 2484 / THERMISTOR_SCALING_FACTOR_51_47, 0 }, - { 2142 / THERMISTOR_SCALING_FACTOR_51_47, 10 }, - { 1767 / THERMISTOR_SCALING_FACTOR_51_47, 20 }, - { 1400 / THERMISTOR_SCALING_FACTOR_51_47, 30 }, - { 1072 / THERMISTOR_SCALING_FACTOR_51_47, 40 }, - { 802 / THERMISTOR_SCALING_FACTOR_51_47, 50 }, - { 593 / THERMISTOR_SCALING_FACTOR_51_47, 60 }, - { 436 / THERMISTOR_SCALING_FACTOR_51_47, 70 }, - { 321 / THERMISTOR_SCALING_FACTOR_51_47, 80 }, - { 276 / THERMISTOR_SCALING_FACTOR_51_47, 85 }, - { 237 / THERMISTOR_SCALING_FACTOR_51_47, 90 }, - { 204 / THERMISTOR_SCALING_FACTOR_51_47, 95 }, - { 177 / THERMISTOR_SCALING_FACTOR_51_47, 100 }, + { 2484 / THERMISTOR_SCALING_FACTOR_51_47, 0 }, + { 2142 / THERMISTOR_SCALING_FACTOR_51_47, 10 }, + { 1767 / THERMISTOR_SCALING_FACTOR_51_47, 20 }, + { 1400 / THERMISTOR_SCALING_FACTOR_51_47, 30 }, + { 1072 / THERMISTOR_SCALING_FACTOR_51_47, 40 }, + { 802 / THERMISTOR_SCALING_FACTOR_51_47, 50 }, + { 593 / THERMISTOR_SCALING_FACTOR_51_47, 60 }, + { 436 / THERMISTOR_SCALING_FACTOR_51_47, 70 }, + { 321 / THERMISTOR_SCALING_FACTOR_51_47, 80 }, + { 276 / THERMISTOR_SCALING_FACTOR_51_47, 85 }, + { 237 / THERMISTOR_SCALING_FACTOR_51_47, 90 }, + { 204 / THERMISTOR_SCALING_FACTOR_51_47, 95 }, + { 177 / THERMISTOR_SCALING_FACTOR_51_47, 100 }, }; static const struct thermistor_info thermistor_info_51_47 = { @@ -127,7 +128,7 @@ static const struct thermistor_info thermistor_info_51_47 = { int get_temp_3v3_51k1_47k_4050b(int idx_adc, int *temp_ptr) { return thermistor_get_temperature(idx_adc, temp_ptr, - &thermistor_info_51_47); + &thermistor_info_51_47); } #endif /* CONFIG_STEINHART_HART_3V3_51K1_47K_4050B */ @@ -139,19 +140,19 @@ int get_temp_3v3_51k1_47k_4050b(int idx_adc, int *temp_ptr) */ #define THERMISTOR_SCALING_FACTOR_13_47 13 static const struct thermistor_data_pair thermistor_data_13_47[] = { - { 3033 / THERMISTOR_SCALING_FACTOR_13_47, 0 }, - { 2882 / THERMISTOR_SCALING_FACTOR_13_47, 10 }, - { 2677 / THERMISTOR_SCALING_FACTOR_13_47, 20 }, - { 2420 / THERMISTOR_SCALING_FACTOR_13_47, 30 }, - { 2119 / THERMISTOR_SCALING_FACTOR_13_47, 40 }, - { 1799 / THERMISTOR_SCALING_FACTOR_13_47, 50 }, - { 1485 / THERMISTOR_SCALING_FACTOR_13_47, 60 }, - { 1197 / THERMISTOR_SCALING_FACTOR_13_47, 70 }, - { 947 / THERMISTOR_SCALING_FACTOR_13_47, 80 }, - { 839 / THERMISTOR_SCALING_FACTOR_13_47, 85 }, - { 741 / THERMISTOR_SCALING_FACTOR_13_47, 90 }, - { 653 / THERMISTOR_SCALING_FACTOR_13_47, 95 }, - { 576 / THERMISTOR_SCALING_FACTOR_13_47, 100 }, + { 3033 / THERMISTOR_SCALING_FACTOR_13_47, 0 }, + { 2882 / THERMISTOR_SCALING_FACTOR_13_47, 10 }, + { 2677 / THERMISTOR_SCALING_FACTOR_13_47, 20 }, + { 2420 / THERMISTOR_SCALING_FACTOR_13_47, 30 }, + { 2119 / THERMISTOR_SCALING_FACTOR_13_47, 40 }, + { 1799 / THERMISTOR_SCALING_FACTOR_13_47, 50 }, + { 1485 / THERMISTOR_SCALING_FACTOR_13_47, 60 }, + { 1197 / THERMISTOR_SCALING_FACTOR_13_47, 70 }, + { 947 / THERMISTOR_SCALING_FACTOR_13_47, 80 }, + { 839 / THERMISTOR_SCALING_FACTOR_13_47, 85 }, + { 741 / THERMISTOR_SCALING_FACTOR_13_47, 90 }, + { 653 / THERMISTOR_SCALING_FACTOR_13_47, 95 }, + { 576 / THERMISTOR_SCALING_FACTOR_13_47, 100 }, }; static const struct thermistor_info thermistor_info_13_47 = { @@ -163,7 +164,7 @@ static const struct thermistor_info thermistor_info_13_47 = { int get_temp_3v3_13k7_47k_4050b(int idx_adc, int *temp_ptr) { return thermistor_get_temperature(idx_adc, temp_ptr, - &thermistor_info_13_47); + &thermistor_info_13_47); } #endif /* CONFIG_STEINHART_HART_3V3_13K7_47K_4050B */ @@ -175,19 +176,19 @@ int get_temp_3v3_13k7_47k_4050b(int idx_adc, int *temp_ptr) */ #define THERMISTOR_SCALING_FACTOR_6V0_51_47 18 static const struct thermistor_data_pair thermistor_data_6v0_51_47[] = { - { 4517 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 0 }, - { 3895 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 10 }, - { 3214 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 20 }, - { 2546 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 30 }, - { 1950 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 40 }, - { 1459 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 50 }, - { 1079 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 60 }, - { 794 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 70 }, - { 584 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 80 }, - { 502 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 85 }, - { 432 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 90 }, - { 372 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 95 }, - { 322 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 100 }, + { 4517 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 0 }, + { 3895 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 10 }, + { 3214 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 20 }, + { 2546 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 30 }, + { 1950 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 40 }, + { 1459 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 50 }, + { 1079 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 60 }, + { 794 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 70 }, + { 584 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 80 }, + { 502 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 85 }, + { 432 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 90 }, + { 372 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 95 }, + { 322 / THERMISTOR_SCALING_FACTOR_6V0_51_47, 100 }, }; static const struct thermistor_info thermistor_info_6v0_51_47 = { @@ -199,7 +200,7 @@ static const struct thermistor_info thermistor_info_6v0_51_47 = { int get_temp_6v0_51k1_47k_4050b(int idx_adc, int *temp_ptr) { return thermistor_get_temperature(idx_adc, temp_ptr, - &thermistor_info_6v0_51_47); + &thermistor_info_6v0_51_47); } #endif /* CONFIG_STEINHART_HART_6V0_51K1_47K_4050B */ @@ -211,19 +212,19 @@ int get_temp_6v0_51k1_47k_4050b(int idx_adc, int *temp_ptr) */ #define THERMISTOR_SCALING_FACTOR_22_47 11 static const struct thermistor_data_pair thermistor_data_22_47[] = { - { 2619 / THERMISTOR_SCALING_FACTOR_22_47, 0 }, - { 2421 / THERMISTOR_SCALING_FACTOR_22_47, 10 }, - { 2168 / THERMISTOR_SCALING_FACTOR_22_47, 20 }, - { 1875 / THERMISTOR_SCALING_FACTOR_22_47, 30 }, - { 1563 / THERMISTOR_SCALING_FACTOR_22_47, 40 }, - { 1262 / THERMISTOR_SCALING_FACTOR_22_47, 50 }, - { 994 / THERMISTOR_SCALING_FACTOR_22_47, 60 }, - { 769 / THERMISTOR_SCALING_FACTOR_22_47, 70 }, - { 588 / THERMISTOR_SCALING_FACTOR_22_47, 80 }, - { 513 / THERMISTOR_SCALING_FACTOR_22_47, 85 }, - { 448 / THERMISTOR_SCALING_FACTOR_22_47, 90 }, - { 390 / THERMISTOR_SCALING_FACTOR_22_47, 95 }, - { 340 / THERMISTOR_SCALING_FACTOR_22_47, 100 }, + { 2619 / THERMISTOR_SCALING_FACTOR_22_47, 0 }, + { 2421 / THERMISTOR_SCALING_FACTOR_22_47, 10 }, + { 2168 / THERMISTOR_SCALING_FACTOR_22_47, 20 }, + { 1875 / THERMISTOR_SCALING_FACTOR_22_47, 30 }, + { 1563 / THERMISTOR_SCALING_FACTOR_22_47, 40 }, + { 1262 / THERMISTOR_SCALING_FACTOR_22_47, 50 }, + { 994 / THERMISTOR_SCALING_FACTOR_22_47, 60 }, + { 769 / THERMISTOR_SCALING_FACTOR_22_47, 70 }, + { 588 / THERMISTOR_SCALING_FACTOR_22_47, 80 }, + { 513 / THERMISTOR_SCALING_FACTOR_22_47, 85 }, + { 448 / THERMISTOR_SCALING_FACTOR_22_47, 90 }, + { 390 / THERMISTOR_SCALING_FACTOR_22_47, 95 }, + { 340 / THERMISTOR_SCALING_FACTOR_22_47, 100 }, }; static const struct thermistor_info thermistor_info_22_47 = { @@ -235,7 +236,7 @@ static const struct thermistor_info thermistor_info_22_47 = { int get_temp_3v0_22k6_47k_4050b(int idx_adc, int *temp_ptr) { return thermistor_get_temperature(idx_adc, temp_ptr, - &thermistor_info_22_47); + &thermistor_info_22_47); } #endif /* CONFIG_STEINHART_HART_3V0_22K6_47K_4050B */ @@ -247,16 +248,16 @@ int get_temp_3v0_22k6_47k_4050b(int idx_adc, int *temp_ptr) */ #define THERMISTOR_SCALING_FACTOR_31_47 11 static const struct thermistor_data_pair thermistor_data_31_47[] = { - { 2753 / THERMISTOR_SCALING_FACTOR_31_47, 0 }, - { 2487 / THERMISTOR_SCALING_FACTOR_31_47, 10 }, - { 2165 / THERMISTOR_SCALING_FACTOR_31_47, 20 }, - { 1813 / THERMISTOR_SCALING_FACTOR_31_47, 30 }, - { 1145 / THERMISTOR_SCALING_FACTOR_31_47, 50 }, - { 878 / THERMISTOR_SCALING_FACTOR_31_47, 60 }, - { 665 / THERMISTOR_SCALING_FACTOR_31_47, 70 }, - { 500 / THERMISTOR_SCALING_FACTOR_31_47, 80 }, - { 375 / THERMISTOR_SCALING_FACTOR_31_47, 90 }, - { 282 / THERMISTOR_SCALING_FACTOR_31_47, 100 }, + { 2753 / THERMISTOR_SCALING_FACTOR_31_47, 0 }, + { 2487 / THERMISTOR_SCALING_FACTOR_31_47, 10 }, + { 2165 / THERMISTOR_SCALING_FACTOR_31_47, 20 }, + { 1813 / THERMISTOR_SCALING_FACTOR_31_47, 30 }, + { 1145 / THERMISTOR_SCALING_FACTOR_31_47, 50 }, + { 878 / THERMISTOR_SCALING_FACTOR_31_47, 60 }, + { 665 / THERMISTOR_SCALING_FACTOR_31_47, 70 }, + { 500 / THERMISTOR_SCALING_FACTOR_31_47, 80 }, + { 375 / THERMISTOR_SCALING_FACTOR_31_47, 90 }, + { 282 / THERMISTOR_SCALING_FACTOR_31_47, 100 }, }; static const struct thermistor_info thermistor_info_31_47 = { @@ -268,6 +269,6 @@ static const struct thermistor_info thermistor_info_31_47 = { int get_temp_3v3_30k9_47k_4050b(int idx_adc, int *temp_ptr) { return thermistor_get_temperature(idx_adc, temp_ptr, - &thermistor_info_31_47); + &thermistor_info_31_47); } #endif /* CONFIG_STEINHART_HART_3V3_30K9_47K_4050B */ |