OVMS3-idf/components/esp_common/include/esp_private/system_internal.h

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2018-07-29 09:57:59 +00:00
// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
#include "esp_system.h"
#define MWDT0_TICK_PRESCALER 40000
#define MWDT0_TICKS_PER_US 500
#define MWDT1_TICK_PRESCALER 40000
#define MWDT1_TICKS_PER_US 500
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/**
* @brief Internal function to restart PRO and APP CPUs.
*
* @note This function should not be called from FreeRTOS applications.
* Use esp_restart instead.
*
* This is an internal function called by esp_restart. It is called directly
* by the panic handler and brownout detector interrupt.
*/
void esp_restart_noos(void) __attribute__ ((noreturn));
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/**
* @brief Internal function to set reset reason hint
*
* The hint is used do distinguish different reset reasons when software reset
* is performed.
*
* The hint is stored in RTC store register, RTC_RESET_CAUSE_REG.
*
* @param hint Desired esp_reset_reason_t value for the real reset reason
*/
void esp_reset_reason_set_hint(esp_reset_reason_t hint);
/**
* @brief Internal function to get the reset hint value
* @return - Reset hint value previously stored into RTC_RESET_CAUSE_REG using
* esp_reset_reason_set_hint function
* - ESP_RST_UNKNOWN if the value in RTC_RESET_CAUSE_REG is invalid
*/
esp_reset_reason_t esp_reset_reason_get_hint(void);
#ifdef __cplusplus
}
#endif