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54 lines
1.4 KiB
54 lines
1.4 KiB
8 years ago
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/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifdef TARGET_LPC1768
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#include "../../../MarlinConfig.h"
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#if ENABLED(USE_WATCHDOG)
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#include "lpc17xx_wdt.h"
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#include "watchdog.h"
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void watchdog_init(void) {
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WDT_Init(WDT_CLKSRC_IRC, WDT_MODE_RESET);
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WDT_Start(WDT_TIMEOUT);
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}
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void HAL_clear_reset_source(void) {
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WDT_ClrTimeOutFlag();
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}
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uint8_t HAL_get_reset_source (void) {
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if(WDT_ReadTimeOutFlag() & 1) return RST_WATCHDOG;
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return RST_POWER_ON;
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}
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void watchdog_reset() {
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WDT_Feed();
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TOGGLE(13); // heart beat indicator on Pin13
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}
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#endif // USE_WATCHDOG
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#endif
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