esp-idf/components/soc/esp32s2/include/soc/reset_reasons.h
2021-07-13 10:45:38 +08:00

59 lines
3.3 KiB
C

// Copyright 2021 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
//+-----------------------------------------------Terminology---------------------------------------------+
//| |
//| CPU Reset: Reset CPU core only, once reset done, CPU will execute from reset vector |
//| |
//| Core Reset: Reset the whole digital system except RTC sub-system |
//| |
//| System Reset: Reset the whole digital system, including RTC sub-system |
//| |
//| Chip Reset: Reset the whole chip, including the analog part |
//| |
//+-------------------------------------------------------------------------------------------------------+
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Naming conventions: RESET_REASON_{reset level}_{reset reason}
* @note refer to TRM: <Reset and Clock> chapter
*/
typedef enum {
RESET_REASON_CHIP_POWER_ON = 0x01, // Power on reset
RESET_REASON_CHIP_BROWN_OUT = 0x01, // VDD voltage is not stable and resets the chip
RESET_REASON_CHIP_SUPER_WDT = 0x01, // Super watch dog resets the chip
RESET_REASON_CORE_SW = 0x03, // Software resets the digital core by RTC_CNTL_SW_SYS_RST
RESET_REASON_CORE_DEEP_SLEEP = 0x05, // Deep sleep reset the digital core
RESET_REASON_CORE_MWDT0 = 0x07, // Main watch dog 0 resets digital core
RESET_REASON_CORE_MWDT1 = 0x08, // Main watch dog 1 resets digital core
RESET_REASON_CORE_RTC_WDT = 0x09, // RTC watch dog resets digital core
RESET_REASON_CPU0_MWDT0 = 0x0B, // Main watch dog 0 resets CPU 0
RESET_REASON_CPU0_SW = 0x0C, // Software resets CPU 0 by RTC_CNTL_SW_PROCPU_RST
RESET_REASON_CPU0_RTC_WDT = 0x0D, // RTC watch dog resets CPU 0
RESET_REASON_SYS_BROWN_OUT = 0x0F, // VDD voltage is not stable and resets the digital core
RESET_REASON_SYS_RTC_WDT = 0x10, // RTC watch dog resets digital core and rtc module
RESET_REASON_CPU0_MWDT1 = 0x11, // Main watch dog 1 resets CPU 0
RESET_REASON_SYS_SUPER_WDT = 0x12, // Super watch dog resets the digital core and rtc module
RESET_REASON_SYS_CLK_GLITCH = 0x13, // Glitch on clock resets the digital core and rtc module
} soc_reset_reason_t;
#ifdef __cplusplus
}
#endif