mirror of
https://github.com/espressif/esp-idf.git
synced 2026-04-27 19:13:21 +00:00
Song Ruo Jing
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/*
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* SPDX-FileCopyrightText: 2026 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 <stdint.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/semphr.h"
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#include "esp_private/critical_section.h"
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#include "hal/regi2c_ctrl_ll.h"
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#include "esp_hw_log.h"
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#include "esp_private/sar_periph_ctrl.h"
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ESP_HW_LOG_ATTR_TAG(TAG, "sar_ctrl_common");
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DEFINE_CRIT_SECTION_LOCK_STATIC(mux);
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static int s_i2c_saradc_enable_cnt;
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void regi2c_saradc_enable(void)
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{
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esp_os_enter_critical_safe(&mux);
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s_i2c_saradc_enable_cnt++;
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if (s_i2c_saradc_enable_cnt == 1) {
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regi2c_ctrl_ll_i2c_sar_periph_enable();
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}
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esp_os_exit_critical_safe(&mux);
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}
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void regi2c_saradc_disable(void)
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{
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esp_os_enter_critical_safe(&mux);
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s_i2c_saradc_enable_cnt--;
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if (s_i2c_saradc_enable_cnt < 0){
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esp_os_exit_critical_safe(&mux);
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ESP_HW_LOGE(TAG, "REGI2C_SARADC is already disabled");
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return;
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} else if (s_i2c_saradc_enable_cnt == 0) {
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regi2c_ctrl_ll_i2c_sar_periph_disable();
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}
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esp_os_exit_critical_safe(&mux);
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}
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