74 lines
4.7 KiB
C
74 lines
4.7 KiB
C
/* ---------------------------------------------------------------------------- */
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/* Atmel Microcontroller Software Support */
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/* SAM Software Package License */
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/* ---------------------------------------------------------------------------- */
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/* Copyright (c) %copyright_year%, Atmel Corporation */
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/* */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or without */
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/* modification, are permitted provided that the following condition is met: */
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/* */
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/* - Redistributions of source code must retain the above copyright notice, */
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/* this list of conditions and the disclaimer below. */
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/* */
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/* Atmel's name may not be used to endorse or promote products derived from */
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/* this software without specific prior written permission. */
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/* */
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/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */
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/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */
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/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */
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/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
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/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
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/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
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/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
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/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */
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/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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/* ---------------------------------------------------------------------------- */
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#ifndef _SAM4S_WDT_COMPONENT_
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#define _SAM4S_WDT_COMPONENT_
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/* ============================================================================= */
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/** SOFTWARE API DEFINITION FOR Watchdog Timer */
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/* ============================================================================= */
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/** \addtogroup SAM4S_WDT Watchdog Timer */
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/*@{*/
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#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
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/** \brief Wdt hardware registers */
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typedef struct {
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__O uint32_t WDT_CR; /**< \brief (Wdt Offset: 0x00) Control Register */
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__IO uint32_t WDT_MR; /**< \brief (Wdt Offset: 0x04) Mode Register */
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__I uint32_t WDT_SR; /**< \brief (Wdt Offset: 0x08) Status Register */
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} Wdt;
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#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
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/* -------- WDT_CR : (WDT Offset: 0x00) Control Register -------- */
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#define WDT_CR_WDRSTT (0x1u << 0) /**< \brief (WDT_CR) Watchdog Restart */
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#define WDT_CR_KEY_Pos 24
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#define WDT_CR_KEY_Msk (0xffu << WDT_CR_KEY_Pos) /**< \brief (WDT_CR) Password */
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#define WDT_CR_KEY(value) ((WDT_CR_KEY_Msk & ((value) << WDT_CR_KEY_Pos)))
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#define WDT_CR_KEY_PASSWD (0xA5u << 24) /**< \brief (WDT_CR) Writing any other value in this field aborts the write operation. */
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/* -------- WDT_MR : (WDT Offset: 0x04) Mode Register -------- */
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#define WDT_MR_WDV_Pos 0
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#define WDT_MR_WDV_Msk (0xfffu << WDT_MR_WDV_Pos) /**< \brief (WDT_MR) Watchdog Counter Value */
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#define WDT_MR_WDV(value) ((WDT_MR_WDV_Msk & ((value) << WDT_MR_WDV_Pos)))
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#define WDT_MR_WDFIEN (0x1u << 12) /**< \brief (WDT_MR) Watchdog Fault Interrupt Enable */
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#define WDT_MR_WDRSTEN (0x1u << 13) /**< \brief (WDT_MR) Watchdog Reset Enable */
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#define WDT_MR_WDRPROC (0x1u << 14) /**< \brief (WDT_MR) Watchdog Reset Processor */
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#define WDT_MR_WDDIS (0x1u << 15) /**< \brief (WDT_MR) Watchdog Disable */
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#define WDT_MR_WDD_Pos 16
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#define WDT_MR_WDD_Msk (0xfffu << WDT_MR_WDD_Pos) /**< \brief (WDT_MR) Watchdog Delta Value */
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#define WDT_MR_WDD(value) ((WDT_MR_WDD_Msk & ((value) << WDT_MR_WDD_Pos)))
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#define WDT_MR_WDDBGHLT (0x1u << 28) /**< \brief (WDT_MR) Watchdog Debug Halt */
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#define WDT_MR_WDIDLEHLT (0x1u << 29) /**< \brief (WDT_MR) Watchdog Idle Halt */
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/* -------- WDT_SR : (WDT Offset: 0x08) Status Register -------- */
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#define WDT_SR_WDUNF (0x1u << 0) /**< \brief (WDT_SR) Watchdog Underflow (cleared on read) */
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#define WDT_SR_WDERR (0x1u << 1) /**< \brief (WDT_SR) Watchdog Error (cleared on read) */
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/*@}*/
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#endif /* _SAM4S_WDT_COMPONENT_ */
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