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feat(temperature_sensor): Add temperature sensor calibration support

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C.S.M
2024-11-04 18:09:24 +08:00
parent 58d722a16f
commit d834d1c9cb
3 changed files with 42 additions and 9 deletions
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15
components/efuse/esp32c2/esp_efuse_rtc_calib.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2020-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2020-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -107,7 +107,18 @@ esp_err_t esp_efuse_rtc_calib_get_cal_voltage(int version, uint32_t adc_unit, in
esp_err_t esp_efuse_rtc_calib_get_tsens_val(float* tsens_cal)
{
// Currently calibration is not supported on ESP32-C2, IDF-5236
const esp_efuse_desc_t** cal_temp_efuse;
cal_temp_efuse = ESP_EFUSE_TEMP_CALIB;
int cal_temp_size = esp_efuse_get_field_size(cal_temp_efuse);
assert(cal_temp_size == 9);
uint32_t cal_temp = 0;
esp_err_t err = esp_efuse_read_field_blob(cal_temp_efuse, &cal_temp, cal_temp_size);
if (err != ESP_OK) {
*tsens_cal = 0.0;
return err;
}
// BIT(8) stands for sign: 1: negative, 0: positive
*tsens_cal = ((cal_temp & BIT(8)) != 0)? -(uint8_t)cal_temp: (uint8_t)cal_temp;
return ESP_OK;
}

17
components/efuse/esp32c6/esp_efuse_rtc_calib.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -132,7 +132,18 @@ esp_err_t esp_efuse_rtc_calib_get_cal_voltage(int version, uint32_t adc_unit, in
esp_err_t esp_efuse_rtc_calib_get_tsens_val(float* tsens_cal)
{
// Currently calibration is not supported on ESP32-C6, IDF-5236
*tsens_cal = 0;
const esp_efuse_desc_t** cal_temp_efuse;
cal_temp_efuse = ESP_EFUSE_TEMP_CALIB;
int cal_temp_size = esp_efuse_get_field_size(cal_temp_efuse);
assert(cal_temp_size == 9);
uint32_t cal_temp = 0;
esp_err_t err = esp_efuse_read_field_blob(cal_temp_efuse, &cal_temp, cal_temp_size);
if (err != ESP_OK) {
*tsens_cal = 0.0;
return err;
}
// BIT(8) stands for sign: 1: negative, 0: positive
*tsens_cal = ((cal_temp & BIT(8)) != 0)? -(uint8_t)cal_temp: (uint8_t)cal_temp;
return ESP_OK;
}

17
components/efuse/esp32h2/esp_efuse_rtc_calib.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -124,7 +124,18 @@ esp_err_t esp_efuse_rtc_calib_get_cal_voltage(int version, uint32_t adc_unit, in
esp_err_t esp_efuse_rtc_calib_get_tsens_val(float* tsens_cal)
{
// Currently calibration is not supported on ESP32-H2, IDF-5236
*tsens_cal = 0;
const esp_efuse_desc_t** cal_temp_efuse;
cal_temp_efuse = ESP_EFUSE_TEMP_CALIB;
int cal_temp_size = esp_efuse_get_field_size(cal_temp_efuse);
assert(cal_temp_size == 9);
uint32_t cal_temp = 0;
esp_err_t err = esp_efuse_read_field_blob(cal_temp_efuse, &cal_temp, cal_temp_size);
if (err != ESP_OK) {
*tsens_cal = 0.0;
return err;
}
// BIT(8) stands for sign: 1: negative, 0: positive
*tsens_cal = ((cal_temp & BIT(8)) != 0)? -(uint8_t)cal_temp: (uint8_t)cal_temp;
return ESP_OK;
}