alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-08-31 22:24:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

soc: Adds efuse hal

Browse Source 
Replaced eFuse ROM funcs with hal layer
This commit is contained in:
KonstantinKondrashov
2021-12-22 22:18:43 +08:00
parent 9a544c0006
commit 9605f3eb1a
87 changed files with 2011 additions and 692 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
components/esp_adc_cal/esp32/esp_adc_cal.c
View File

@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -7,7 +7,7 @@
#include <stdint.h>
#include "esp_types.h"
#include "driver/adc.h"
#include "soc/efuse_periph.h"
#include "hal/efuse_ll.h"
#include "esp_err.h"
#include "esp_check.h"
#include "assert.h"
@@ -45,14 +45,10 @@
#define VREF_FORMAT 0
/* ------------------------------ eFuse Access ----------------------------- */
#define BLK3_RESERVED_REG EFUSE_BLK0_RDATA3_REG
#define VREF_REG EFUSE_BLK0_RDATA4_REG
#define VREF_MASK 0x1F
#define VREF_STEP_SIZE 7
#define VREF_OFFSET 1100
#define TP_REG EFUSE_BLK3_RDATA3_REG
#define TP_LOW1_OFFSET 278
#define TP_LOW2_OFFSET 421
#define TP_LOW_MASK 0x7F
@@ -100,24 +96,20 @@ static const uint32_t lut_adc2_high[LUT_POINTS] = {2657, 2698, 2738, 2774, 2807,
static bool check_efuse_vref(void)
{
//Check if Vref is burned in eFuse
return (REG_GET_FIELD(VREF_REG, EFUSE_RD_ADC_VREF) != 0) ? true : false;
return (efuse_ll_get_adc_vref() != 0) ? true : false;
}
static bool check_efuse_tp(void)
{
//Check if Two Point values are burned in eFuse
if (CHECK_BLK3_FLAG && (REG_GET_FIELD(BLK3_RESERVED_REG, EFUSE_RD_BLK3_PART_RESERVE) == 0)) {
if (CHECK_BLK3_FLAG && (efuse_ll_get_blk3_part_reserve() == 0)) {
return false;
}
//All TP cal values must be non zero
if ((REG_GET_FIELD(TP_REG, EFUSE_RD_ADC1_TP_LOW) != 0) &&
(REG_GET_FIELD(TP_REG, EFUSE_RD_ADC2_TP_LOW) != 0) &&
(REG_GET_FIELD(TP_REG, EFUSE_RD_ADC1_TP_HIGH) != 0) &&
(REG_GET_FIELD(TP_REG, EFUSE_RD_ADC2_TP_HIGH) != 0)) {
return true;
} else {
return false;
}
return efuse_ll_get_adc1_tp_low() &&
efuse_ll_get_adc2_tp_low() &&
efuse_ll_get_adc1_tp_high() &&
efuse_ll_get_adc2_tp_high();
}
static inline int decode_bits(uint32_t bits, uint32_t mask, bool is_twos_compl)
@@ -141,7 +133,7 @@ static uint32_t read_efuse_vref(void)
{
//eFuse stores deviation from ideal reference voltage
uint32_t ret = VREF_OFFSET; //Ideal vref
uint32_t bits = REG_GET_FIELD(VREF_REG, EFUSE_ADC_VREF);
uint32_t bits = efuse_ll_get_adc_vref();
ret += decode_bits(bits, VREF_MASK, VREF_FORMAT) * VREF_STEP_SIZE;
return ret; //ADC Vref in mV
}
@@ -154,10 +146,10 @@ static uint32_t read_efuse_tp_low(adc_unit_t adc_num)
if (adc_num == ADC_UNIT_1) {
ret = TP_LOW1_OFFSET;
bits = REG_GET_FIELD(TP_REG, EFUSE_RD_ADC1_TP_LOW);
bits = efuse_ll_get_adc1_tp_low();
} else {
ret = TP_LOW2_OFFSET;
bits = REG_GET_FIELD(TP_REG, EFUSE_RD_ADC2_TP_LOW);
bits = efuse_ll_get_adc2_tp_low();
}
ret += decode_bits(bits, TP_LOW_MASK, true) * TP_STEP_SIZE;
return ret; //Reading of ADC at 150mV
@@ -171,10 +163,10 @@ static uint32_t read_efuse_tp_high(adc_unit_t adc_num)
if (adc_num == ADC_UNIT_1) {
ret = TP_HIGH1_OFFSET;
bits = REG_GET_FIELD(TP_REG, EFUSE_RD_ADC1_TP_HIGH);
bits = efuse_ll_get_adc1_tp_high();
} else {
ret = TP_HIGH2_OFFSET;
bits = REG_GET_FIELD(TP_REG, EFUSE_RD_ADC2_TP_HIGH);
bits = efuse_ll_get_adc2_tp_high();
}
ret += decode_bits(bits, TP_HIGH_MASK, true) * TP_STEP_SIZE;
return ret; //Reading of ADC at 850mV