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/****************************************************************************
* arch/mips/src/pic32mx/pic32mx-wdt.h
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __ARCH_MIPS_SRC_PIC32MX_PIC32MX_WDT_H
#define __ARCH_MIPS_SRC_PIC32MX_PIC32MX_WDT_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include "pic32mx-memorymap.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Register Offsets *********************************************************/
#define PIC32MX_WDT_CON_OFFSET 0x0000 /* Watchdog timer control register */
/* See also the WDTO, SLEEP, and IDLE bits in the resets RCON register */
/* Register Addresses *******************************************************/
#define PIC32MX_WDT_CON (PIC32MX_WDT_K1BASE+PIC32MX_WDT_CON_OFFSET)
/* Register Bit-Field Definitions *******************************************/
/* Watchdog timer control register */
#define WDT_CON_WDTCLR (1 << 0) /* Bit 0: Watchdog timer reset */
#define WDT_CON_SWDTPS_SHIFT (2) /* Bits 2-6: WDT postscaler value from DEVCFG1 */
#define WDT_CON_SWDTPS_MASK (31 << WDT_CON_SWDTPS_SHIFT)
# define WDT_CON_SWDTPS_1 (0 << WDT_CON_SWDTPS_SHIFT) /* 1:1 */
# define WDT_CON_SWDTPS_2 (1 << WDT_CON_SWDTPS_SHIFT) /* 1:2 */
# define WDT_CON_SWDTPS_4 (2 << WDT_CON_SWDTPS_SHIFT) /* 1:4 */
# define WDT_CON_SWDTPS_8 (3 << WDT_CON_SWDTPS_SHIFT) /* 1:8 */
# define WDT_CON_SWDTPS_16 (4 << WDT_CON_SWDTPS_SHIFT) /* 1:16 */
# define WDT_CON_SWDTPS_32 (5 << WDT_CON_SWDTPS_SHIFT) /* 1:32 */
# define WDT_CON_SWDTPS_64 (6 << WDT_CON_SWDTPS_SHIFT) /* 1:64 */
# define WDT_CON_SWDTPS_128 (7 << WDT_CON_SWDTPS_SHIFT) /* 1:128 */
# define WDT_CON_SWDTPS_256 (8 << WDT_CON_SWDTPS_SHIFT) /* 1:256 */
# define WDT_CON_SWDTPS_512 (9 << WDT_CON_SWDTPS_SHIFT) /* 1:512 */
# define WDT_CON_SWDTPS_1024 (10 << WDT_CON_SWDTPS_SHIFT) /* 1:1024 */
# define WDT_CON_SWDTPS_2048 (11 << WDT_CON_SWDTPS_SHIFT) /* 1:2048 */
# define WDT_CON_SWDTPS_4096 (12 << WDT_CON_SWDTPS_SHIFT) /* 1:4096 */
# define WDT_CON_SWDTPS_8192 (13 << WDT_CON_SWDTPS_SHIFT) /* 1:8192 */
# define WDT_CON_SWDTPS_16384 (14 << WDT_CON_SWDTPS_SHIFT) /* 1:16384 */
# define WDT_CON_SWDTPS_32768 (15 << WDT_CON_SWDTPS_SHIFT) /* 1:32768 */
# define WDT_CON_SWDTPS_65536 (16 << WDT_CON_SWDTPS_SHIFT) /* 1:65536 */
# define WDT_CON_SWDTPS_131072 (17 << WDT_CON_SWDTPS_SHIFT) /* 1:131072 */
# define WDT_CON_SWDTPS_262144 (18 << WDT_CON_SWDTPS_SHIFT) /* 1:262144 */
# define WDT_CON_SWDTPS_524288 (19 << WDT_CON_SWDTPS_SHIFT) /* 1:524288 */
# define WDT_CON_SWDTPS_1048576 (20 << WDT_CON_SWDTPS_SHIFT) /* 1:1048576 */
#define WDT_CON_ON (1 << 15 /* Bit 15: Watchdog timer enable */
/****************************************************************************
* Public Types
****************************************************************************/
#ifndef __ASSEMBLY__
/****************************************************************************
* Inline Functions
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_MIPS_SRC_PIC32MX_PIC32MX_WDT_H */
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