106 lines
3.0 KiB
C
106 lines
3.0 KiB
C
/****************************************************************************
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* boards/xtensa/esp32/common/src/esp32_board_wdt.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <debug.h>
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#include "esp32_wdt_lowerhalf.h"
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#include "esp32_board_wdt.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#ifdef CONFIG_ESP32_MWDT0
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# define ESP32_MWDT0 (0)
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#endif
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#ifdef CONFIG_ESP32_MWDT1
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# define ESP32_MWDT1 (1)
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#endif
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#ifdef CONFIG_ESP32_RWDT
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# define ESP32_RWDT (2)
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: board_wdt_init
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*
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* Description:
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* Configure the timer driver.
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*
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* Returned Value:
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* Zero (OK) is returned on success; A negated errno value is returned
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* to indicate the nature of any failure.
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*
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****************************************************************************/
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int board_wdt_init(void)
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{
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int ret = OK;
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#ifdef CONFIG_ESP32_MWDT0
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ret = esp32_wdt_initialize("/dev/watchdog0", ESP32_MWDT0);
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if (ret < 0)
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{
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syslog(LOG_ERR,
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"ERROR: Failed to initialize watchdog driver: %d\n",
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ret);
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goto errout;
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}
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#endif
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#ifdef CONFIG_ESP32_MWDT1
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ret = esp32_wdt_initialize("/dev/watchdog1", ESP32_MWDT1);
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if (ret < 0)
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{
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syslog(LOG_ERR,
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"ERROR: Failed to initialize watchdog driver: %d\n",
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ret);
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goto errout;
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}
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#endif
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#ifdef CONFIG_ESP32_RWDT
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ret = esp32_wdt_initialize("/dev/watchdog2", ESP32_RWDT);
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if (ret < 0)
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{
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syslog(LOG_ERR,
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"ERROR: Failed to initialize watchdog driver: %d\n",
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ret);
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goto errout;
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}
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#endif
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errout:
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return ret;
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}
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