mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
106 lines
3.2 KiB
C
106 lines
3.2 KiB
C
/*
|
|
* SPDX-FileCopyrightText: 2017-2021 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
#include "esp_err.h"
|
|
#include "sdkconfig.h"
|
|
|
|
//This is the ADC calibration value version burnt in efuse
|
|
#define ESP_EFUSE_ADC_CALIB_VER 2
|
|
#define ESP_EFUSE_ADC_CALIB_VER_MIN ESP_EFUSE_ADC_CALIB_VER
|
|
#define ESP_EFUSE_ADC_CALIB_VER_MAX ESP_EFUSE_ADC_CALIB_VER
|
|
|
|
#define RTCCALIB_ESP32S2_ADCCOUNT 2
|
|
#define RTCCALIB_ESP32S2_ATTENCOUNT 4
|
|
|
|
#define RTCCALIB_V1_PARAM_VLOW 0
|
|
#define RTCCALIB_V1_PARAM_VHIGH 1
|
|
#define RTCCALIB_V2_PARAM_VHIGH 0
|
|
#define RTCCALIB_V2_PARAM_VINIT 1
|
|
|
|
// these are the tags. Either use them directly or use esp_efuse_rtc_table_get_tag to calculate
|
|
// the corresponding tag.
|
|
#define RTCCALIB_V1IDX_A10L 1
|
|
#define RTCCALIB_V1IDX_A11L 2
|
|
#define RTCCALIB_V1IDX_A12L 3
|
|
#define RTCCALIB_V1IDX_A13L 4
|
|
#define RTCCALIB_V1IDX_A20L 5
|
|
#define RTCCALIB_V1IDX_A21L 6
|
|
#define RTCCALIB_V1IDX_A22L 7
|
|
#define RTCCALIB_V1IDX_A23L 8
|
|
#define RTCCALIB_V1IDX_A10H 9
|
|
#define RTCCALIB_V1IDX_A11H 10
|
|
#define RTCCALIB_V1IDX_A12H 11
|
|
#define RTCCALIB_V1IDX_A13H 12
|
|
#define RTCCALIB_V1IDX_A20H 13
|
|
#define RTCCALIB_V1IDX_A21H 14
|
|
#define RTCCALIB_V1IDX_A22H 15
|
|
#define RTCCALIB_V1IDX_A23H 16
|
|
#define RTCCALIB_V2IDX_A10H 17
|
|
#define RTCCALIB_V2IDX_A11H 18
|
|
#define RTCCALIB_V2IDX_A12H 19
|
|
#define RTCCALIB_V2IDX_A13H 20
|
|
#define RTCCALIB_V2IDX_A20H 21
|
|
#define RTCCALIB_V2IDX_A21H 22
|
|
#define RTCCALIB_V2IDX_A22H 23
|
|
#define RTCCALIB_V2IDX_A23H 24
|
|
#define RTCCALIB_V2IDX_A10I 25
|
|
#define RTCCALIB_V2IDX_A11I 26
|
|
#define RTCCALIB_V2IDX_A12I 27
|
|
#define RTCCALIB_V2IDX_A13I 28
|
|
#define RTCCALIB_V2IDX_A20I 29
|
|
#define RTCCALIB_V2IDX_A21I 30
|
|
#define RTCCALIB_V2IDX_A22I 31
|
|
#define RTCCALIB_V2IDX_A23I 32
|
|
#define RTCCALIB_IDX_TMPSENSOR 33
|
|
|
|
/**
|
|
* @brief Get rtc calibration version.
|
|
*/
|
|
int esp_efuse_rtc_table_read_calib_version(void);
|
|
|
|
/**
|
|
* @brief Helper function to calculate a tag from human-readable parameters.
|
|
* Tag is used to index the desired data from the efuse.
|
|
* For example, (1, 1, 3, 1) yields the tag RTCCALIB_V1IDX_A13H
|
|
* extra params are used for identification when a adc_num-atten combination has
|
|
* multiple efuse values.
|
|
* @param adc_channel_num verbatim numbering of the ADC channel. For channel 1, use 1 and not 0.
|
|
* @param atten attenuation. use the enum value.
|
|
* @param version the version of the scheme to index for.
|
|
* @param extra_params defined differently for each version.
|
|
* */
|
|
int esp_efuse_rtc_table_get_tag(int version, int adc_channel_num, int atten, int extra_params);
|
|
|
|
/**
|
|
* @brief Fetches a raw value from efuse and does signed bit parsing
|
|
* @param tag tag obtained with esp_efuse_rtc_table_get_tag
|
|
*
|
|
* */
|
|
int esp_efuse_rtc_table_get_raw_efuse_value(int tag);
|
|
|
|
/**
|
|
* @brief Fetches a raw value from efuse and resolve it to get
|
|
* the original number that it meant to represent.
|
|
*
|
|
* @param tag tag obtained with esp_efuse_rtc_table_get_tag
|
|
* @param use_zero_inputs Does not perform the raw value fetching before resolving the number,
|
|
* but proceed as if all zeros were read from efuse.
|
|
*
|
|
* */
|
|
int esp_efuse_rtc_table_get_parsed_efuse_value(int tag, bool skip_efuse_reading);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|