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57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/*
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* SPDX-FileCopyrightText: 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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/**
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* SAR related peripherals are interdependent.
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* Related peripherals are:
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* - ADC
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* - PWDET
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*
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* All of above peripherals require SAR to work correctly.
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* As SAR has some registers that will influence above mentioned peripherals.
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* This file gives an abstraction for such registers
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*/
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#pragma once
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#include <stdlib.h>
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#include "soc/sens_struct.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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SAR_CTRL_LL_POWER_FSM, //SAR power controlled by FSM
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SAR_CTRL_LL_POWER_ON, //SAR power on
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SAR_CTRL_LL_POWER_OFF, //SAR power off
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} sar_ctrl_ll_power_t;
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/*---------------------------------------------------------------
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SAR power control
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---------------------------------------------------------------*/
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/**
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* Set SAR power mode
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*
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* @param mode See `sar_ctrl_ll_power_t`
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*/
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static inline void sar_ctrl_ll_set_power_mode(sar_ctrl_ll_power_t mode)
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{
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if (mode == SAR_CTRL_LL_POWER_FSM) {
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SENS.sar_meas_wait2.force_xpd_sar = 0x0;
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} else if (mode == SAR_CTRL_LL_POWER_ON) {
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SENS.sar_meas_wait2.force_xpd_sar = 0x3;
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} else {
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SENS.sar_meas_wait2.force_xpd_sar = 0x2;
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}
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}
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#ifdef __cplusplus
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}
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#endif
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