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			247 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			247 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * SPDX-FileCopyrightText: 2020-2021 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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#pragma once
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#include <stdbool.h>
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#include <stdint.h>
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#include "esp_assert.h"
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#include "soc/rtc_cntl_reg.h"
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#include "soc/reset_reasons.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** \defgroup rtc_apis, rtc registers and memory related apis
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  * @brief rtc apis
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  */
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/** @addtogroup rtc_apis
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  * @{
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  */
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/**************************************************************************************
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  *                                       Note:                                       *
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  *       Some Rtc memory and registers are used, in ROM or in internal library.      *
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  *          Please do not use reserved or used rtc memory or registers.              *
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  *                                                                                   *
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  *************************************************************************************
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  *                          RTC  Memory & Store Register usage
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  *************************************************************************************
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  *     rtc memory addr         type    size            usage
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  *     0x3f421000(0x50000000)  Slow    SIZE_CP         Co-Processor code/Reset Entry
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  *     0x3f421000+SIZE_CP      Slow    8192-SIZE_CP
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  *
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  *     0x3ff80000(0x40070000)  Fast    8192            deep sleep entry code
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  *
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  *************************************************************************************
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  *     RTC store registers     usage
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  *     RTC_CNTL_STORE0_REG     Reserved
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  *     RTC_CNTL_STORE1_REG     RTC_SLOW_CLK calibration value
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  *     RTC_CNTL_STORE2_REG     Boot time, low word
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  *     RTC_CNTL_STORE3_REG     Boot time, high word
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  *     RTC_CNTL_STORE4_REG     External XTAL frequency
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  *     RTC_CNTL_STORE5_REG     APB bus frequency
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  *     RTC_CNTL_STORE6_REG     FAST_RTC_MEMORY_ENTRY
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  *     RTC_CNTL_STORE7_REG     FAST_RTC_MEMORY_CRC
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  *************************************************************************************
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  */
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#define RTC_SLOW_CLK_CAL_REG    RTC_CNTL_STORE1_REG
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#define RTC_BOOT_TIME_LOW_REG   RTC_CNTL_STORE2_REG
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#define RTC_BOOT_TIME_HIGH_REG  RTC_CNTL_STORE3_REG
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#define RTC_XTAL_FREQ_REG       RTC_CNTL_STORE4_REG
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#define RTC_APB_FREQ_REG        RTC_CNTL_STORE5_REG
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#define RTC_ENTRY_ADDR_REG      RTC_CNTL_STORE6_REG
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#define RTC_RESET_CAUSE_REG     RTC_CNTL_STORE6_REG
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#define RTC_MEMORY_CRC_REG      RTC_CNTL_STORE7_REG
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#define RTC_DISABLE_ROM_LOG ((1 << 0) | (1 << 16)) //!< Disable logging from the ROM code.
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typedef enum {
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    AWAKE = 0,             //<CPU ON
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    LIGHT_SLEEP = BIT0,    //CPU waiti, PLL ON.  We don't need explicitly set this mode.
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    DEEP_SLEEP  = BIT1     //CPU OFF, PLL OFF, only specific timer could wake up
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} SLEEP_MODE;
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typedef enum {
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    NO_MEAN                =  0,
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    POWERON_RESET          =  1,    /**<1, Vbat power on reset*/
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    RTC_SW_SYS_RESET       =  3,    /**<3, Software reset digital core*/
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    DEEPSLEEP_RESET        =  5,    /**<5, Deep Sleep reset digital core*/
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    TG0WDT_SYS_RESET       =  7,    /**<7, Timer Group0 Watch dog reset digital core*/
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    TG1WDT_SYS_RESET       =  8,    /**<8, Timer Group1 Watch dog reset digital core*/
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    RTCWDT_SYS_RESET       =  9,    /**<9, RTC Watch dog Reset digital core*/
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    INTRUSION_RESET        = 10,    /**<10, Instrusion tested to reset CPU*/
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    TG0WDT_CPU_RESET       = 11,    /**<11, Time Group0 reset CPU*/
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    RTC_SW_CPU_RESET       = 12,    /**<12, Software reset CPU*/
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    RTCWDT_CPU_RESET       = 13,    /**<13, RTC Watch dog Reset CPU*/
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    RTCWDT_BROWN_OUT_RESET = 15,    /**<15, Reset when the vdd voltage is not stable*/
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    RTCWDT_RTC_RESET       = 16,    /**<16, RTC Watch dog reset digital core and rtc module*/
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    TG1WDT_CPU_RESET       = 17,    /**<17, Time Group1 reset CPU*/
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    SUPER_WDT_RESET        = 18,    /**<18, super watchdog reset digital core and rtc module*/
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    GLITCH_RTC_RESET       = 19,    /**<19, glitch reset digital core and rtc module*/
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    EFUSE_RESET            = 20,    /**<20, efuse reset digital core*/
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    USB_UART_CHIP_RESET    = 21,    /**<21, usb uart reset digital core */
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    USB_JTAG_CHIP_RESET    = 22,    /**<22, usb jtag reset digital core */
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    POWER_GLITCH_RESET     = 23,    /**<23, power glitch reset digital core and rtc module*/
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    JTAG_RESET             = 24,    /**<24, jtag reset CPU*/
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} RESET_REASON;
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// Check if the reset reason defined in ROM is compatible with soc/reset_reasons.h
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ESP_STATIC_ASSERT((soc_reset_reason_t)POWERON_RESET == RESET_REASON_CHIP_POWER_ON, "POWERON_RESET != RESET_REASON_CHIP_POWER_ON");
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ESP_STATIC_ASSERT((soc_reset_reason_t)RTC_SW_SYS_RESET == RESET_REASON_CORE_SW, "RTC_SW_SYS_RESET != RESET_REASON_CORE_SW");
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ESP_STATIC_ASSERT((soc_reset_reason_t)DEEPSLEEP_RESET == RESET_REASON_CORE_DEEP_SLEEP, "DEEPSLEEP_RESET != RESET_REASON_CORE_DEEP_SLEEP");
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ESP_STATIC_ASSERT((soc_reset_reason_t)TG0WDT_SYS_RESET == RESET_REASON_CORE_MWDT0, "TG0WDT_SYS_RESET != RESET_REASON_CORE_MWDT0");
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ESP_STATIC_ASSERT((soc_reset_reason_t)TG1WDT_SYS_RESET == RESET_REASON_CORE_MWDT1, "TG1WDT_SYS_RESET != RESET_REASON_CORE_MWDT1");
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ESP_STATIC_ASSERT((soc_reset_reason_t)RTCWDT_SYS_RESET == RESET_REASON_CORE_RTC_WDT, "RTCWDT_SYS_RESET != RESET_REASON_CORE_RTC_WDT");
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ESP_STATIC_ASSERT((soc_reset_reason_t)TG0WDT_CPU_RESET == RESET_REASON_CPU0_MWDT0, "TG0WDT_CPU_RESET != RESET_REASON_CPU0_MWDT0");
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ESP_STATIC_ASSERT((soc_reset_reason_t)RTC_SW_CPU_RESET == RESET_REASON_CPU0_SW, "RTC_SW_CPU_RESET != RESET_REASON_CPU0_SW");
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ESP_STATIC_ASSERT((soc_reset_reason_t)RTCWDT_CPU_RESET == RESET_REASON_CPU0_RTC_WDT, "RTCWDT_CPU_RESET != RESET_REASON_CPU0_RTC_WDT");
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ESP_STATIC_ASSERT((soc_reset_reason_t)RTCWDT_BROWN_OUT_RESET == RESET_REASON_SYS_BROWN_OUT, "RTCWDT_BROWN_OUT_RESET != RESET_REASON_SYS_BROWN_OUT");
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ESP_STATIC_ASSERT((soc_reset_reason_t)RTCWDT_RTC_RESET == RESET_REASON_SYS_RTC_WDT, "RTCWDT_RTC_RESET != RESET_REASON_SYS_RTC_WDT");
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ESP_STATIC_ASSERT((soc_reset_reason_t)TG1WDT_CPU_RESET == RESET_REASON_CPU0_MWDT1, "TG1WDT_CPU_RESET != RESET_REASON_CPU0_MWDT1");
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ESP_STATIC_ASSERT((soc_reset_reason_t)SUPER_WDT_RESET == RESET_REASON_SYS_SUPER_WDT, "SUPER_WDT_RESET != RESET_REASON_SYS_SUPER_WDT");
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ESP_STATIC_ASSERT((soc_reset_reason_t)GLITCH_RTC_RESET == RESET_REASON_SYS_CLK_GLITCH, "GLITCH_RTC_RESET != RESET_REASON_SYS_CLK_GLITCH");
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ESP_STATIC_ASSERT((soc_reset_reason_t)EFUSE_RESET == RESET_REASON_CORE_EFUSE_CRC, "EFUSE_RESET != RESET_REASON_CORE_EFUSE_CRC");
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ESP_STATIC_ASSERT((soc_reset_reason_t)USB_UART_CHIP_RESET == RESET_REASON_CORE_USB_UART, "USB_UART_CHIP_RESET != RESET_REASON_CORE_USB_UART");
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ESP_STATIC_ASSERT((soc_reset_reason_t)USB_JTAG_CHIP_RESET == RESET_REASON_CORE_USB_JTAG, "USB_JTAG_CHIP_RESET != RESET_REASON_CORE_USB_JTAG");
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ESP_STATIC_ASSERT((soc_reset_reason_t)POWER_GLITCH_RESET == RESET_REASON_CORE_PWR_GLITCH, "POWER_GLITCH_RESET != RESET_REASON_CORE_PWR_GLITCH");
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ESP_STATIC_ASSERT((soc_reset_reason_t)JTAG_RESET == RESET_REASON_CPU0_JTAG, "JTAG_RESET != RESET_REASON_CPU0_JTAG");
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typedef enum {
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    NO_SLEEP        = 0,
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    EXT_EVENT0_TRIG = BIT0,
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    EXT_EVENT1_TRIG = BIT1,
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    GPIO_TRIG       = BIT2,
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    TIMER_EXPIRE    = BIT3,
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    SDIO_TRIG       = BIT4,
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    MAC_TRIG        = BIT5,
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    UART0_TRIG      = BIT6,
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    UART1_TRIG      = BIT7,
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    TOUCH_TRIG      = BIT8,
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    SAR_TRIG        = BIT9,
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    BT_TRIG         = BIT10,
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    RISCV_TRIG      = BIT11,
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    XTAL_DEAD_TRIG  = BIT12,
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    RISCV_TRAP_TRIG = BIT13,
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    USB_TRIG        = BIT14
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} WAKEUP_REASON;
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typedef enum {
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    DISEN_WAKEUP       = NO_SLEEP,
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    EXT_EVENT0_TRIG_EN = EXT_EVENT0_TRIG,
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    EXT_EVENT1_TRIG_EN = EXT_EVENT1_TRIG,
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    GPIO_TRIG_EN       = GPIO_TRIG,
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    TIMER_EXPIRE_EN    = TIMER_EXPIRE,
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    SDIO_TRIG_EN       = SDIO_TRIG,
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    MAC_TRIG_EN        = MAC_TRIG,
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    UART0_TRIG_EN      = UART0_TRIG,
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    UART1_TRIG_EN      = UART1_TRIG,
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    TOUCH_TRIG_EN      = TOUCH_TRIG,
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    SAR_TRIG_EN        = SAR_TRIG,
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    BT_TRIG_EN         = BT_TRIG,
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    RISCV_TRIG_EN      = RISCV_TRIG,
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    XTAL_DEAD_TRIG_EN  = XTAL_DEAD_TRIG,
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    RISCV_TRAP_TRIG_EN = RISCV_TRAP_TRIG,
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    USB_TRIG_EN        = USB_TRIG
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} WAKEUP_ENABLE;
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/**
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  * @brief  Get the reset reason for CPU.
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  *
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  * @param  int cpu_no : CPU no.
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  *
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  * @return RESET_REASON
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  */
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RESET_REASON rtc_get_reset_reason(int cpu_no);
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/**
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  * @brief  Get the wakeup cause for CPU.
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  *
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  * @param  int cpu_no : CPU no.
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  *
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  * @return WAKEUP_REASON
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  */
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WAKEUP_REASON rtc_get_wakeup_cause(void);
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typedef void (* esp_rom_wake_func_t)(void);
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/**
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  * @brief Read stored RTC wake function address
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  *
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  * Returns pointer to wake address if a value is set in RTC registers, and stored length & CRC all valid.
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  *
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  * @param  None
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  *
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  * @return esp_rom_wake_func_t : Returns pointer to wake address if a value is set in RTC registers
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  */
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esp_rom_wake_func_t esp_rom_get_rtc_wake_addr(void);
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/**
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  * @brief Store new RTC wake function address
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  *
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  * Set a new RTC wake address function. If a non-NULL function pointer is set then the function
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  * memory is calculated and stored also.
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  *
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  * @param entry_addr Address of function. If NULL, length is ignored and all registers are cleared to 0.
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  * @param length of function in RTC fast memory. cannot be larger than RTC Fast memory size.
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  *
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  * @return None
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  */
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void esp_rom_set_rtc_wake_addr(esp_rom_wake_func_t entry_addr, size_t length);
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/**
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  * @brief Suppress ROM log by setting specific RTC control register.
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  * @note This is not a permanent disable of ROM logging since the RTC register can not retain after chip reset.
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  *
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  * @param  None
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  *
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  * @return None
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  */
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static inline void rtc_suppress_rom_log(void)
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{
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    /* To disable logging in the ROM, only the least significant bit of the register is used,
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     * but since this register is also used to store the frequency of the main crystal (RTC_XTAL_FREQ_REG),
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     * you need to write to this register in the same format.
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     * Namely, the upper 16 bits and lower should be the same.
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     */
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    REG_SET_BIT(RTC_CNTL_STORE4_REG, RTC_DISABLE_ROM_LOG);
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}
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/**
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  * @brief Software Reset digital core.
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  *
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  * It is not recommended to use this function in esp-idf, use
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  * esp_restart() instead.
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  *
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  * @param  None
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  *
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  * @return None
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  */
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void software_reset(void);
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/**
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  * @brief Software Reset digital core.
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  *
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  * It is not recommended to use this function in esp-idf, use
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  * esp_restart() instead.
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  *
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  * @param  int cpu_no : The CPU to reset, 0 for PRO CPU, 1 for APP CPU.
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  *
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  * @return None
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  */
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void software_reset_cpu(int cpu_no);
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/**
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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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