72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
/** @defgroup wdt_defines Watchdog Defines
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*
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* @brief <b>Defined Constants and Types for the SWM050 Watchdog</b>
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*
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* @ingroup SWM050_defines
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*
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* LGPL License Terms @ref lgpl_license
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*/
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/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2019 Caleb Szalacinski <contact@skiboy.net>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser 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 library 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**@{*/
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#ifndef LIBOPENCM3_WDT_H
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#define LIBOPENCM3_WDT_H
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#include <libopencm3/cm3/common.h>
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#include <libopencm3/swm050/memorymap.h>
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/* Watchdog mode definitions */
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/** @defgroup wdt_modes Watchdog mode
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@{*/
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enum wdt_modes {
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/* On timeout, reset the system */
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WDT_MODE_RESET,
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/* On timeout, generate an interrupt. If another timeout occurs without
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the interrupt being cleared, reset the system. */
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WDT_MODE_INT
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};
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/**@}*/
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/** @defgroup wdt_registers Watchdog Registers
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@{*/
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#define WDT_CR MMIO32(WDT_BASE + 0x0)
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#define WDT_TORR MMIO32(WDT_BASE + 0x04)
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#define WDT_CCVR MMIO32(WDT_BASE + 0x08)
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#define WDT_CRR MMIO32(WDT_BASE + 0x0C)
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#define WDT_STAT MMIO32(WDT_BASE + 0x10)
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#define WDT_EOI MMIO32(WDT_BASE + 0x14)
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/**@}*/
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BEGIN_DECLS
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void wdt_setup(enum wdt_modes mode, uint8_t time1, uint8_t time2);
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void wdt_enable(bool en);
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void wdt_mode(enum wdt_modes mode);
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void wdt_reset(void);
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bool wdt_int_status(void);
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void wdt_clear_int(void);
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void wdt_clock_enable(bool en);
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uint32_t wdt_get_value(void);
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void wdt_set_time(uint8_t time1, uint8_t time2);
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END_DECLS
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#endif
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/**@}*/
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