Add licenses, docbook, general cleanup
This commit is contained in:
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89f7752cdd
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06bff71481
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@ -24,7 +24,7 @@
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#if CONFIG_BROWNOUT_DET
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#if CONFIG_BROWNOUT_DET
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/*
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/*
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This file ins included in esp-idf, but the menuconfig option for this is disabled because a silicon bug
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This file is included in esp-idf, but the menuconfig option for this is disabled because a silicon bug
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prohibits the brownout detector from functioning correctly on the ESP32.
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prohibits the brownout detector from functioning correctly on the ESP32.
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*/
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*/
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@ -1,5 +1,20 @@
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#ifndef BROWNOUT_H
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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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#define BROWNOUT_H
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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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// 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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#ifndef __ESP_BROWNOUT_H
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#define __ESP_BROWNOUT_H
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void esp_brownout_init();
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void esp_brownout_init();
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@ -1,6 +1,46 @@
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#ifndef INT_WDT_H
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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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#define INT_WDT_H
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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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// 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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#ifndef __ESP_INT_WDT_H
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#define __ESP_INT_WDT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** @addtogroup Watchdog_APIs
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* @{
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*/
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/**
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* @brief Initialize the interrupt watchdog. This is called in the init code, no need to
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* call it explicitly.
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*
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* @param null
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*
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* @return null
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*/
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void int_wdt_init();
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void int_wdt_init();
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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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#endif
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#endif
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@ -1,8 +1,73 @@
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#ifndef TASK_WDT_H
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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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#define TASK_WDT_H
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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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void task_wdt_feed();
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// http://www.apache.org/licenses/LICENSE-2.0
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void task_wdt_delete();
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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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#ifndef __ESP_TASK_WDT_H
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#define __ESP_TASK_WDT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** \defgroup Watchdog_APIs Watchdog APIs
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* @brief Watchdog APIs
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*/
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/** @addtogroup Watchdog_APIs
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* @{
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*/
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/**
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* @brief Initialize the task watchdog. This is called in the init code, no need to
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* call it explicitly.
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*
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* @param null
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*
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* @return null
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*/
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void task_wdt_init();
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void task_wdt_init();
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/**
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* @brief Feed the watchdog. After the first feeding session, the watchdog will expect the calling
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* task to keep feeding the watchdog until task_wdt_delete() is called.
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*
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* @param null
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*
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* @return null
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*/
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void task_wdt_feed();
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/**
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* @brief Delete the watchdog for the current task.
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*
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* @param null
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*
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* @return null
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*/
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void task_wdt_delete();
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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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#endif
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#endif
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@ -48,28 +48,28 @@ This uses the TIMERG1 WDT.
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#define WDT_WRITE_KEY 0x50D83AA1
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#define WDT_WRITE_KEY 0x50D83AA1
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void int_wdt_init() {
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void int_wdt_init() {
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TIMERG1.wdt_wprotect=WDT_WRITE_KEY;
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TIMERG1.wdt_wprotect=WDT_WRITE_KEY;
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TIMERG1.wdt_config0.sys_reset_length=7; //3.2uS
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TIMERG1.wdt_config0.sys_reset_length=7; //3.2uS
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TIMERG1.wdt_config0.cpu_reset_length=7; //3.2uS
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TIMERG1.wdt_config0.cpu_reset_length=7; //3.2uS
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TIMERG1.wdt_config0.level_int_en=1;
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TIMERG1.wdt_config0.level_int_en=1;
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TIMERG1.wdt_config0.stg0=1; //1st stage timeout: interrupt
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TIMERG1.wdt_config0.stg0=1; //1st stage timeout: interrupt
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TIMERG1.wdt_config0.stg1=3; //2nd stage timeout: reset system
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TIMERG1.wdt_config0.stg1=3; //2nd stage timeout: reset system
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TIMERG1.wdt_config1.clk_prescale=80*500; //Prescaler: wdt counts in ticks of 0.5mS
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TIMERG1.wdt_config1.clk_prescale=80*500; //Prescaler: wdt counts in ticks of 0.5mS
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//The timer configs initially are set to 5 seconds, to make sure the CPU can start up. The tick hook sets
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//The timer configs initially are set to 5 seconds, to make sure the CPU can start up. The tick hook sets
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//it to their actual value.
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//it to their actual value.
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TIMERG1.wdt_config2=10000;
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TIMERG1.wdt_config2=10000;
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TIMERG1.wdt_config3=10000;
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TIMERG1.wdt_config3=10000;
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TIMERG1.wdt_config0.en=1;
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TIMERG1.wdt_config0.en=1;
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TIMERG1.wdt_feed=1;
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TIMERG1.wdt_feed=1;
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TIMERG1.wdt_wprotect=0;
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TIMERG1.wdt_wprotect=0;
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TIMERG1.int_clr_timers.wdt=1;
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TIMERG1.int_clr_timers.wdt=1;
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TIMERG1.int_ena.wdt=1;
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TIMERG1.int_ena.wdt=1;
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ESP_INTR_DISABLE(WDT_INT_NUM);
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ESP_INTR_DISABLE(WDT_INT_NUM);
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intr_matrix_set(xPortGetCoreID(), ETS_TG1_WDT_LEVEL_INTR_SOURCE, WDT_INT_NUM);
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intr_matrix_set(xPortGetCoreID(), ETS_TG1_WDT_LEVEL_INTR_SOURCE, WDT_INT_NUM);
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//We do not register a handler for the interrupt because it is interrupt level 4 which
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//We do not register a handler for the interrupt because it is interrupt level 4 which
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//is not servicable from C. Instead, xtensa_vectors.S has a call to the panic handler for
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//is not servicable from C. Instead, xtensa_vectors.S has a call to the panic handler for
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//this interrupt.
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//this interrupt.
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ESP_INTR_ENABLE(WDT_INT_NUM);
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ESP_INTR_ENABLE(WDT_INT_NUM);
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}
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}
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bool int_wdt_app_cpu_ticked=false;
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bool int_wdt_app_cpu_ticked=false;
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void vApplicationTickHook(void) {
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void vApplicationTickHook(void) {
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if (xPortGetCoreID()!=0) {
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if (xPortGetCoreID()!=0) {
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int_wdt_app_cpu_ticked=true;
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int_wdt_app_cpu_ticked=true;
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} else {
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} else {
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//Only feed wdt if app cpu also ticked.
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//Only feed wdt if app cpu also ticked.
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if (int_wdt_app_cpu_ticked) {
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if (int_wdt_app_cpu_ticked) {
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TIMERG1.wdt_wprotect=WDT_WRITE_KEY;
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TIMERG1.wdt_wprotect=WDT_WRITE_KEY;
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TIMERG1.wdt_config2=CONFIG_INT_WDT_TIMEOUT_MS*2; //Set timeout before interrupt
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TIMERG1.wdt_config2=CONFIG_INT_WDT_TIMEOUT_MS*2; //Set timeout before interrupt
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TIMERG1.wdt_config3=CONFIG_INT_WDT_TIMEOUT_MS*4; //Set timeout before reset
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TIMERG1.wdt_config3=CONFIG_INT_WDT_TIMEOUT_MS*4; //Set timeout before reset
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TIMERG1.wdt_feed=1;
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TIMERG1.wdt_feed=1;
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TIMERG1.wdt_wprotect=0;
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TIMERG1.wdt_wprotect=0;
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int_wdt_app_cpu_ticked=false;
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int_wdt_app_cpu_ticked=false;
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}
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}
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}
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}
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}
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}
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#else
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#else
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void vApplicationTickHook(void) {
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void vApplicationTickHook(void) {
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if (xPortGetCoreID()!=0) return;
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if (xPortGetCoreID()!=0) return;
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TIMERG1.wdt_wprotect=WDT_WRITE_KEY;
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TIMERG1.wdt_wprotect=WDT_WRITE_KEY;
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TIMERG1.wdt_config2=CONFIG_INT_WDT_TIMEOUT_MS*2; //Set timeout before interrupt
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TIMERG1.wdt_config2=CONFIG_INT_WDT_TIMEOUT_MS*2; //Set timeout before interrupt
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TIMERG1.wdt_config3=CONFIG_INT_WDT_TIMEOUT_MS*4; //Set timeout before reset
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TIMERG1.wdt_config3=CONFIG_INT_WDT_TIMEOUT_MS*4; //Set timeout before reset
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TIMERG1.wdt_feed=1;
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TIMERG1.wdt_feed=1;
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TIMERG1.wdt_wprotect=0;
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TIMERG1.wdt_wprotect=0;
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}
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}
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#endif
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#endif
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@ -45,9 +45,9 @@ static const char* TAG = "task_wdt";
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typedef struct wdt_task_t wdt_task_t;
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typedef struct wdt_task_t wdt_task_t;
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struct wdt_task_t {
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struct wdt_task_t {
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TaskHandle_t task_handle;
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TaskHandle_t task_handle;
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bool fed_watchdog;
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bool fed_watchdog;
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wdt_task_t *next;
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wdt_task_t *next;
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};
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};
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static wdt_task_t *wdt_task_list=NULL;
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static wdt_task_t *wdt_task_list=NULL;
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#define WDT_WRITE_KEY 0x50D83AA1
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#define WDT_WRITE_KEY 0x50D83AA1
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static void IRAM_ATTR task_wdt_isr(void *arg) {
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static void IRAM_ATTR task_wdt_isr(void *arg) {
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wdt_task_t *wdttask;
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wdt_task_t *wdttask;
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const char *cpu;
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const char *cpu;
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//Feed the watchdog so we do not reset
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//Feed the watchdog so we do not reset
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TIMERG0.wdt_wprotect=WDT_WRITE_KEY;
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TIMERG0.wdt_wprotect=WDT_WRITE_KEY;
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TIMERG0.wdt_feed=1;
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TIMERG0.wdt_feed=1;
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TIMERG0.wdt_wprotect=0;
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TIMERG0.wdt_wprotect=0;
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//Ack interrupt
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//Ack interrupt
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TIMERG0.int_clr_timers.wdt=1;
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TIMERG0.int_clr_timers.wdt=1;
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//Watchdog got triggered because at least one task did not report in.
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//Watchdog got triggered because at least one task did not report in.
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ets_printf("Task watchdog got triggered. The following tasks did not feed the watchdog in time:\n");
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ets_printf("Task watchdog got triggered. The following tasks did not feed the watchdog in time:\n");
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for (wdttask=wdt_task_list; wdttask!=NULL; wdttask=wdttask->next) {
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for (wdttask=wdt_task_list; wdttask!=NULL; wdttask=wdttask->next) {
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if (!wdttask->fed_watchdog) {
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if (!wdttask->fed_watchdog) {
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cpu=xTaskGetAffinity(wdttask->task_handle)==0?"CPU 0":"CPU 1";
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cpu=xTaskGetAffinity(wdttask->task_handle)==0?"CPU 0":"CPU 1";
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if (xTaskGetAffinity(wdttask->task_handle)==tskNO_AFFINITY) cpu="CPU 0/1";
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if (xTaskGetAffinity(wdttask->task_handle)==tskNO_AFFINITY) cpu="CPU 0/1";
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printf(" - %s (%s)\n", pcTaskGetTaskName(wdttask->task_handle), cpu);
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printf(" - %s (%s)\n", pcTaskGetTaskName(wdttask->task_handle), cpu);
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}
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}
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}
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}
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ets_printf("Tasks currently running:\n");
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ets_printf("Tasks currently running:\n");
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for (int x=0; x<portNUM_PROCESSORS; x++) {
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for (int x=0; x<portNUM_PROCESSORS; x++) {
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ets_printf("CPU %d: %s\n", x, pcTaskGetTaskName(xTaskGetCurrentTaskHandleForCPU(x)));
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ets_printf("CPU %d: %s\n", x, pcTaskGetTaskName(xTaskGetCurrentTaskHandleForCPU(x)));
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}
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}
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#if CONFIG_TASK_WDT_PANIC
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#if CONFIG_TASK_WDT_PANIC
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ets_printf("Aborting.\n");
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ets_printf("Aborting.\n");
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abort();
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abort();
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#endif
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#endif
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}
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}
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void task_wdt_feed() {
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void task_wdt_feed() {
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wdt_task_t *wdttask=wdt_task_list;
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wdt_task_t *wdttask=wdt_task_list;
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bool found_task=false, do_feed_wdt=true;
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bool found_task=false, do_feed_wdt=true;
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TaskHandle_t handle=xTaskGetCurrentTaskHandle();
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TaskHandle_t handle=xTaskGetCurrentTaskHandle();
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//Walk the linked list of wdt tasks to find this one, as well as see if we need to feed
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//Walk the linked list of wdt tasks to find this one, as well as see if we need to feed
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//the real watchdog timer.
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//the real watchdog timer.
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for (wdttask=wdt_task_list; wdttask!=NULL; wdttask=wdttask->next) {
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for (wdttask=wdt_task_list; wdttask!=NULL; wdttask=wdttask->next) {
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//See if we are at the current task.
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//See if we are at the current task.
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if (wdttask->task_handle == handle) {
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if (wdttask->task_handle == handle) {
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wdttask->fed_watchdog=true;
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wdttask->fed_watchdog=true;
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found_task=true;
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found_task=true;
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}
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}
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//If even one task in the list doesn't have the do_feed_wdt var set, we do not feed the watchdog.
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//If even one task in the list doesn't have the do_feed_wdt var set, we do not feed the watchdog.
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if (!wdttask->fed_watchdog) do_feed_wdt=false;
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if (!wdttask->fed_watchdog) do_feed_wdt=false;
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}
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}
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if (!found_task) {
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if (!found_task) {
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//This is the first time the task calls the task_wdt_feed function. Create a new entry for it in
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//This is the first time the task calls the task_wdt_feed function. Create a new entry for it in
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//the linked list.
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//the linked list.
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wdt_task_t *newtask=malloc(sizeof(wdt_task_t));
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wdt_task_t *newtask=malloc(sizeof(wdt_task_t));
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memset(newtask, 0, sizeof(wdt_task_t));
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memset(newtask, 0, sizeof(wdt_task_t));
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newtask->task_handle=handle;
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newtask->task_handle=handle;
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newtask->fed_watchdog=true;
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newtask->fed_watchdog=true;
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if (wdt_task_list == NULL) {
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if (wdt_task_list == NULL) {
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wdt_task_list=newtask;
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wdt_task_list=newtask;
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} else {
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} else {
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for (wdttask=wdt_task_list; wdttask->next!=NULL; wdttask=wdttask->next) ;
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for (wdttask=wdt_task_list; wdttask->next!=NULL; wdttask=wdttask->next) ;
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wdttask->next=newtask;
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wdttask->next=newtask;
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}
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}
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}
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}
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if (do_feed_wdt) {
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if (do_feed_wdt) {
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//All tasks have checked in; time to feed the hw watchdog.
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//All tasks have checked in; time to feed the hw watchdog.
|
||||||
TIMERG0.wdt_wprotect=WDT_WRITE_KEY;
|
TIMERG0.wdt_wprotect=WDT_WRITE_KEY;
|
||||||
TIMERG0.wdt_feed=1;
|
TIMERG0.wdt_feed=1;
|
||||||
TIMERG0.wdt_wprotect=0;
|
TIMERG0.wdt_wprotect=0;
|
||||||
//Reset fed_watchdog status
|
//Reset fed_watchdog status
|
||||||
for (wdttask=wdt_task_list; wdttask->next!=NULL; wdttask=wdttask->next) wdttask->fed_watchdog=false;
|
for (wdttask=wdt_task_list; wdttask->next!=NULL; wdttask=wdttask->next) wdttask->fed_watchdog=false;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
void task_wdt_delete() {
|
void task_wdt_delete() {
|
||||||
TaskHandle_t handle=xTaskGetCurrentTaskHandle();
|
TaskHandle_t handle=xTaskGetCurrentTaskHandle();
|
||||||
wdt_task_t *wdttask=wdt_task_list;
|
wdt_task_t *wdttask=wdt_task_list;
|
||||||
//Wdt task list can't be empty
|
//Wdt task list can't be empty
|
||||||
if (!wdt_task_list) {
|
if (!wdt_task_list) {
|
||||||
ESP_LOGE(TAG, "task_wdt_delete: No tasks in list?");
|
ESP_LOGE(TAG, "task_wdt_delete: No tasks in list?");
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
if (handle==wdt_task_list) {
|
if (handle==wdt_task_list) {
|
||||||
//Current task is first on list.
|
//Current task is first on list.
|
||||||
wdt_task_list=wdt_task_list->next;
|
wdt_task_list=wdt_task_list->next;
|
||||||
free(wdttask);
|
free(wdttask);
|
||||||
} else {
|
} else {
|
||||||
//Find current task in list
|
//Find current task in list
|
||||||
while (wdttask->next!=NULL && wdttask->next->task_handle!=handle) wdttask=wdttask->next;
|
while (wdttask->next!=NULL && wdttask->next->task_handle!=handle) wdttask=wdttask->next;
|
||||||
if (!wdttask->next) {
|
if (!wdttask->next) {
|
||||||
ESP_LOGE(TAG, "task_wdt_delete: Task never called task_wdt_feed!");
|
ESP_LOGE(TAG, "task_wdt_delete: Task never called task_wdt_feed!");
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
wdt_task_t *freeme=wdttask->next;
|
wdt_task_t *freeme=wdttask->next;
|
||||||
wdttask->next=wdttask->next->next;
|
wdttask->next=wdttask->next->next;
|
||||||
free(freeme);
|
free(freeme);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
void task_wdt_init() {
|
void task_wdt_init() {
|
||||||
TIMERG0.wdt_wprotect=WDT_WRITE_KEY;
|
TIMERG0.wdt_wprotect=WDT_WRITE_KEY;
|
||||||
TIMERG0.wdt_config0.sys_reset_length=7; //3.2uS
|
TIMERG0.wdt_config0.sys_reset_length=7; //3.2uS
|
||||||
TIMERG0.wdt_config0.cpu_reset_length=7; //3.2uS
|
TIMERG0.wdt_config0.cpu_reset_length=7; //3.2uS
|
||||||
TIMERG0.wdt_config0.level_int_en=1;
|
TIMERG0.wdt_config0.level_int_en=1;
|
||||||
TIMERG0.wdt_config0.stg0=1; //1st stage timeout: interrupt
|
TIMERG0.wdt_config0.stg0=1; //1st stage timeout: interrupt
|
||||||
TIMERG0.wdt_config0.stg1=3; //2nd stage timeout: reset system
|
TIMERG0.wdt_config0.stg1=3; //2nd stage timeout: reset system
|
||||||
TIMERG0.wdt_config1.clk_prescale=80*500; //Prescaler: wdt counts in ticks of 0.5mS
|
TIMERG0.wdt_config1.clk_prescale=80*500; //Prescaler: wdt counts in ticks of 0.5mS
|
||||||
TIMERG0.wdt_config2=CONFIG_TASK_WDT_TIMEOUT_S*2000; //Set timeout before interrupt
|
TIMERG0.wdt_config2=CONFIG_TASK_WDT_TIMEOUT_S*2000; //Set timeout before interrupt
|
||||||
TIMERG0.wdt_config3=CONFIG_TASK_WDT_TIMEOUT_S*4000; //Set timeout before reset
|
TIMERG0.wdt_config3=CONFIG_TASK_WDT_TIMEOUT_S*4000; //Set timeout before reset
|
||||||
TIMERG0.wdt_config0.en=1;
|
TIMERG0.wdt_config0.en=1;
|
||||||
TIMERG0.wdt_feed=1;
|
TIMERG0.wdt_feed=1;
|
||||||
TIMERG0.wdt_wprotect=0;
|
TIMERG0.wdt_wprotect=0;
|
||||||
ESP_INTR_DISABLE(ETS_T0_WDT_INUM);
|
ESP_INTR_DISABLE(ETS_T0_WDT_INUM);
|
||||||
intr_matrix_set(xPortGetCoreID(), ETS_TG0_WDT_LEVEL_INTR_SOURCE, ETS_T0_WDT_INUM);
|
intr_matrix_set(xPortGetCoreID(), ETS_TG0_WDT_LEVEL_INTR_SOURCE, ETS_T0_WDT_INUM);
|
||||||
xt_set_interrupt_handler(ETS_T0_WDT_INUM, task_wdt_isr, NULL);
|
xt_set_interrupt_handler(ETS_T0_WDT_INUM, task_wdt_isr, NULL);
|
||||||
TIMERG0.int_clr_timers.wdt=1;
|
TIMERG0.int_clr_timers.wdt=1;
|
||||||
TIMERG0.int_ena.wdt=1;
|
TIMERG0.int_ena.wdt=1;
|
||||||
ESP_INTR_ENABLE(ETS_T0_WDT_INUM);
|
ESP_INTR_ENABLE(ETS_T0_WDT_INUM);
|
||||||
}
|
}
|
||||||
|
|
||||||
#if CONFIG_TASK_WDT_CHECK_IDLE_TASK
|
#if CONFIG_TASK_WDT_CHECK_IDLE_TASK
|
||||||
void vApplicationIdleHook(void) {
|
void vApplicationIdleHook(void) {
|
||||||
#if !CONFIG_TASK_WDT_CHECK_IDLE_TASK_CPU1
|
#if !CONFIG_TASK_WDT_CHECK_IDLE_TASK_CPU1
|
||||||
if (xPortGetCoreID()!=0) return;
|
if (xPortGetCoreID()!=0) return;
|
||||||
#endif
|
#endif
|
||||||
task_wdt_feed();
|
task_wdt_feed();
|
||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue