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54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/*
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* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <esp_bit_defs.h>
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#include "esp_efuse.h"
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#include "esp_efuse_table.h"
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#include "esp_efuse_rtc_calib.h"
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int esp_efuse_rtc_calib_get_ver(void)
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{
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//TODO: IDF-7467, eFuses are not defined yet
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return 0;
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}
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uint32_t esp_efuse_rtc_calib_get_init_code(int version, uint32_t adc_unit, int atten)
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{
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//TODO: IDF-7467, check below, eFuses are not defined yet
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(void) version;
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(void) adc_unit;
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(void) atten;
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return 0;
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}
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esp_err_t esp_efuse_rtc_calib_get_cal_voltage(int version, int atten, uint32_t* out_digi, uint32_t* out_vol_mv)
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{
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//TODO: IDF-7467, check below, eFuses are not defined yet
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(void) version;
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(void) atten;
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(void) out_digi;
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(void) out_vol_mv;
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return ESP_ERR_NOT_SUPPORTED;
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}
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esp_err_t esp_efuse_rtc_calib_get_tsens_val(float* tsens_cal)
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{
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const esp_efuse_desc_t** cal_temp_efuse;
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cal_temp_efuse = ESP_EFUSE_TEMPERATURE_SENSOR;
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int cal_temp_size = esp_efuse_get_field_size(cal_temp_efuse);
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assert(cal_temp_size == 9);
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uint32_t cal_temp = 0;
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esp_err_t err = esp_efuse_read_field_blob(cal_temp_efuse, &cal_temp, cal_temp_size);
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if (err != ESP_OK) {
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*tsens_cal = 0.0;
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return err;
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}
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// BIT(8) stands for sign: 1: negative, 0: positive
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*tsens_cal = ((cal_temp & BIT(8)) != 0)? -(uint8_t)cal_temp: (uint8_t)cal_temp;
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return ESP_OK;
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}
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