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52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2022 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 <stdbool.h>
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#include "esp_attr.h"
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#include "esp_private/regi2c_ctrl.h"
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#include "esp_private/adc_private.h"
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/*
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* This file is used to override the hooks provided by the PHY lib for some system features.
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* Call phy_override() so that this file will be linked.
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*/
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static bool s_wifi_adc_xpd_flag;
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void include_esp_phy_override(void)
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{
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/* When this empty function is called, all functions below will be linked. */
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}
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/* Coordinate ADC power with other modules. */
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// It seems that it is only required on ESP32, but we still compile it for all chips, in case it is
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// called by PHY unexpectedly.
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void set_xpd_sar(bool en)
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{
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if (s_wifi_adc_xpd_flag == en) {
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/* ignore repeated calls to set_xpd_sar when the state is already correct */
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return;
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}
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s_wifi_adc_xpd_flag = en;
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if (en) {
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adc_power_acquire();
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} else {
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adc_power_release();
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}
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}
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//add spinlock protection
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IRAM_ATTR void phy_i2c_enter_critical(void)
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{
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regi2c_enter_critical();
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}
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IRAM_ATTR void phy_i2c_exit_critical(void)
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{
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regi2c_exit_critical();
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}
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