wdog_common.h

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/** @addtogroup wdog_defines
 */
/*
 * This file is part of the libopencm3 project.
 *
 * Copyright (C) 2015 Kuldeep Singh Dhaka <kuldeepdhaka9@gmail.com>
 *
 * This library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This library 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include <libopencm3/efm32/memorymap.h>
#include <libopencm3/cm3/common.h>
 
/**@{*/
 
#define WDOG_CTRL                       MMIO32(WDOG_BASE + 0x000)
#define WDOG_CMD                        MMIO32(WDOG_BASE + 0x004)
#define WDOG_SYNCBUSY                   MMIO32(WDOG_BASE + 0x008)
 
/* WDOG_CTRL */
#define WDOG_CTRL_CLKSEL_SHIFT          (12)
#define WDOG_CTRL_CLKSEL_MASK           (0x3 << WDOG_CTRL_CLKSEL_SHIFT)
#define WDOG_CTRL_CLKSEL(v)             \
        (((v) << WDOG_CTRL_CLKSEL_SHIFT) & WDOG_CTRL_CLKSEL_MASK)
#define WDOG_CTRL_CLKSEL_ULFRCO         0
#define WDOG_CTRL_CLKSEL_LFRCO          1
#define WDOG_CTRL_CLKSEL_LFXO           2
 
#define WDOG_CTRL_PERSEL_SHIFT          (8)
#define WDOG_CTRL_PERSEL_MASK           (0xF << WDOG_CTRL_PERSEL_SHIFT)
#define WDOG_CTRL_PERSEL(v)                             \
        (((v) << WDOG_CTRL_PERSEL_SHIFT) & WDOG_CTRL_PERSEL_MASK)
#define WDOG_CTRL_PERSEL_9CYCLES        0
#define WDOG_CTRL_PERSEL_17CYCLES       1
#define WDOG_CTRL_PERSEL_33CYCLES       2
#define WDOG_CTRL_PERSEL_65CYCLES       3
#define WDOG_CTRL_PERSEL_129CYCLES      4
#define WDOG_CTRL_PERSEL_257CYCLES      5
#define WDOG_CTRL_PERSEL_513CYCLES      6
#define WDOG_CTRL_PERSEL_1KCYCLES       7
#define WDOG_CTRL_PERSEL_2KCYCLES       8
#define WDOG_CTRL_PERSEL_4KCYCLES       9
#define WDOG_CTRL_PERSEL_8KCYCLES       10
#define WDOG_CTRL_PERSEL_16KCYCLES      11
#define WDOG_CTRL_PERSEL_32KCYCLES      12
#define WDOG_CTRL_PERSEL_64KCYCLES      13
#define WDOG_CTRL_PERSEL_128KCYCLES     14
#define WDOG_CTRL_PERSEL_256KCYCLES     15
 
#define WDOG_CTRL_SWOSCBLOCK            (1 << 6)
#define WDOG_CTRL_EM4BLOCK              (1 << 5)
#define WDOG_CTRL_LOCK                  (1 << 4)
#define WDOG_CTRL_EM3RUN                (1 << 3)
#define WDOG_CTRL_EM2RUN                (1 << 2)
#define WDOG_CTRL_DEBUGRUN              (1 << 1)
#define WDOG_CTRL_EN                    (1 << 0)
 
/* WDOG_CMD */
#define WDOG_CMD_CLEAR                  (1 << 0)
 
/* WDOG_SYNCBUSY */
#define WDOG_SYNCBUSY_CMD               (1 << 1)
#define WDOG_SYNCBUSY_CTRL              (1 << 0)
 
/**@}*/