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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 3cc9d42695
commit e1abef5e9b
5 changed files with 71 additions and 16 deletions
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16
components/efuse/esp32c5/esp_efuse_rtc_calib.c
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@@ -49,8 +49,18 @@ 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-C5, IDF-5236
// Allow no calibration
*tsens_cal = 0;
const esp_efuse_desc_t** cal_temp_efuse;
cal_temp_efuse = ESP_EFUSE_TEMPERATURE_SENSOR;
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;
}