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53c7dd4efc
ESP32-C2 has a single group timer, thus it will use it for the interrupt watchdog, which is more critical than the task watchdog. The latter is implement in software thanks to the `esp_timer`component.
56 lines
1.5 KiB
C
56 lines
1.5 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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#pragma once
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#include "system_internal.h"
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#include "soc/periph_defs.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if SOC_TIMER_GROUPS > 1
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/* If we have two hardware timer groups, use the second one for interrupt watchdog. */
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#define WDT_LEVEL_INTR_SOURCE ETS_TG1_WDT_LEVEL_INTR_SOURCE
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#define IWDT_PRESCALER MWDT1_TICK_PRESCALER // Tick period of 500us if WDT source clock is 80MHz
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#define IWDT_TICKS_PER_US MWDT1_TICKS_PER_US
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#define IWDT_INSTANCE WDT_MWDT1
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#define IWDT_INITIAL_TIMEOUT_S 5
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#else
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#define WDT_LEVEL_INTR_SOURCE ETS_TG0_WDT_LEVEL_INTR_SOURCE
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#define IWDT_PRESCALER MWDT0_TICK_PRESCALER // Tick period of 500us if WDT source clock is 80MHz
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#define IWDT_TICKS_PER_US MWDT0_TICKS_PER_US
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#define IWDT_INSTANCE WDT_MWDT0
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#define IWDT_INITIAL_TIMEOUT_S 5
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#endif // SOC_TIMER_GROUPS > 1
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/**
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* @brief Initialize the non-CPU-specific parts of interrupt watchdog.
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*
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* This function is automatically called during application startup if the
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* interrupt watchdog is enabled in menuconfig.
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*/
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void esp_int_wdt_init(void);
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/**
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* @brief Enable the interrupt watchdog on the current CPU.
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*
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* This function is automatically called during application startup for each CPU
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* that has enabled the interrupt watchdog in menuconfig.
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*
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* @note esp_int_wdt_init() must be called first before calling this function
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*/
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void esp_int_wdt_cpu_init(void);
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#ifdef __cplusplus
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}
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#endif
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