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https://github.com/espressif/ESP8266_RTOS_SDK.git
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102 lines
2.8 KiB
C
102 lines
2.8 KiB
C
// Copyright 2018-2019 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdint.h>
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#include "esp_log.h"
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#include "esp_libc.h"
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#include "esp_task_wdt.h"
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#include "portmacro.h"
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#include "esp8266/eagle_soc.h"
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#include "driver/soc.h"
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static const char *TAG = "wdt";
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#ifdef CONFIG_TASK_WDT_PANIC
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/**
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* @brief Task watch dog interrupt function and it should do panic
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*/
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static void esp_task_wdt_isr(void *param)
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{
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extern void panicHandler(void *frame, int wdt);
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extern void *__wifi_task_top_sp(void);
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panicHandler(__wifi_task_top_sp(), 1);
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}
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#endif
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/**
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* @brief Just for pass compiling and mark wdt calling line
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*/
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esp_err_t esp_task_wdt_init(void)
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{
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CLEAR_WDT_REG_MASK(WDT_CTL_ADDRESS, BIT0);
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#ifdef CONFIG_TASK_WDT_PANIC
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const uint32_t panic_time_param = 11;
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// Just for soft restart
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soc_clear_int_mask(1 << ETS_WDT_INUM);
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_xt_isr_attach(ETS_WDT_INUM, esp_task_wdt_isr, NULL);
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_xt_isr_unmask(1 << ETS_WDT_INUM);
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WDT_EDGE_INT_ENABLE();
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ESP_LOGD(TAG, "Enable task watch dog panic, panic time parameter is %u", panic_time_param);
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#else
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const uint32_t panic_time_param = 1;
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#endif
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ESP_LOGD(TAG, "task watch dog trigger time parameter is %u", CONFIG_TASK_WDT_TIMEOUT_S);
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WDT_REG_WRITE(WDT_OP_ADDRESS, CONFIG_TASK_WDT_TIMEOUT_S); // 2^n * 0.8ms, mask 0xf, n = 13 -> (2^13 = 8192) * 0.8 * 0.001 = 6.5536
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WDT_REG_WRITE(WDT_OP_ND_ADDRESS, panic_time_param); // 2^n * 0.8ms, mask 0xf, n = 11 -> (2^11 = 2048) * 0.8 * 0.001 = 1.6384
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SET_PERI_REG_BITS(PERIPHS_WDT_BASEADDR + WDT_CTL_ADDRESS, WDT_CTL_RSTLEN_MASK, 7 << WDT_CTL_RSTLEN_LSB, 0);
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// interrupt then reset
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SET_PERI_REG_BITS(PERIPHS_WDT_BASEADDR + WDT_CTL_ADDRESS, WDT_CTL_RSPMOD_MASK, 0 << WDT_CTL_RSPMOD_LSB, 0);
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// start task watch dog1
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SET_PERI_REG_BITS(PERIPHS_WDT_BASEADDR + WDT_CTL_ADDRESS, WDT_CTL_EN_MASK, 1 << WDT_CTL_EN_LSB, 0);
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WDT_FEED();
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return 0;
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}
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/**
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* @brief Reset(Feed) the Task Watchdog Timer (TWDT) on behalf of the currently
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* running task
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*/
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void esp_task_wdt_reset(void)
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{
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WDT_FEED();
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}
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/**
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* @brief Just for pass compiling and mark wdt calling line
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*/
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void pp_soft_wdt_stop(void)
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{
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}
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/**
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* @brief Just for pass compiling and mark wdt calling line
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*/
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void pp_soft_wdt_restart(void)
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{
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}
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