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MarlinFirmware/Marlin/src/HAL/HAL_LPC1768/watchdog.cpp

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/**
* Marlin 3D Printer Firmware
* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifdef TARGET_LPC1768
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#include "../../inc/MarlinConfig.h"
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#include "lpc17xx_wdt.h"
#include "watchdog.h"
void watchdog_init(void) {
WDT_Init(WDT_CLKSRC_IRC, WDT_MODE_RESET);
WDT_Start(WDT_TIMEOUT);
}
void HAL_clear_reset_source(void) {
WDT_ClrTimeOutFlag();
}
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uint8_t HAL_get_reset_source(void) {
if (TEST(WDT_ReadTimeOutFlag(), 0)) return RST_WATCHDOG;
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return RST_POWER_ON;
}
void watchdog_reset() {
WDT_Feed();
#if PIN_EXISTS(LED)
TOGGLE(LED_PIN); // heart beat indicator
#endif
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}
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#endif // TARGET_LPC1768