123 lines
5.7 KiB
C
123 lines
5.7 KiB
C
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//*****************************************************************************
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//
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// hw_watchdog.h - Macros used when accessing the Watchdog Timer hardware.
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//
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// Copyright (c) 2005-2016 Texas Instruments Incorporated. All rights reserved.
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// Software License Agreement
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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 conditions
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// are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the
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// distribution.
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//
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// Neither the name of Texas Instruments Incorporated nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// This is part of revision 2.1.3.156 of the Tiva Firmware Development Package.
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//
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//*****************************************************************************
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#ifndef __HW_WATCHDOG_H__
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#define __HW_WATCHDOG_H__
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//*****************************************************************************
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//
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// The following are defines for the Watchdog Timer register offsets.
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//
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//*****************************************************************************
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#define WDT_O_LOAD 0x00000000 // Watchdog Load
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#define WDT_O_VALUE 0x00000004 // Watchdog Value
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#define WDT_O_CTL 0x00000008 // Watchdog Control
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#define WDT_O_ICR 0x0000000C // Watchdog Interrupt Clear
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#define WDT_O_RIS 0x00000010 // Watchdog Raw Interrupt Status
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#define WDT_O_MIS 0x00000014 // Watchdog Masked Interrupt Status
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#define WDT_O_TEST 0x00000418 // Watchdog Test
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#define WDT_O_LOCK 0x00000C00 // Watchdog Lock
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the WDT_O_LOAD register.
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//
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//*****************************************************************************
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#define WDT_LOAD_M 0xFFFFFFFF // Watchdog Load Value
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#define WDT_LOAD_S 0
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the WDT_O_VALUE register.
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//
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//*****************************************************************************
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#define WDT_VALUE_M 0xFFFFFFFF // Watchdog Value
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#define WDT_VALUE_S 0
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the WDT_O_CTL register.
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//
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//*****************************************************************************
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#define WDT_CTL_WRC 0x80000000 // Write Complete
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#define WDT_CTL_INTTYPE 0x00000004 // Watchdog Interrupt Type
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#define WDT_CTL_RESEN 0x00000002 // Watchdog Reset Enable
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#define WDT_CTL_INTEN 0x00000001 // Watchdog Interrupt Enable
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the WDT_O_ICR register.
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//
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//*****************************************************************************
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#define WDT_ICR_M 0xFFFFFFFF // Watchdog Interrupt Clear
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#define WDT_ICR_S 0
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the WDT_O_RIS register.
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//
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//*****************************************************************************
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#define WDT_RIS_WDTRIS 0x00000001 // Watchdog Raw Interrupt Status
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the WDT_O_MIS register.
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//
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//*****************************************************************************
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#define WDT_MIS_WDTMIS 0x00000001 // Watchdog Masked Interrupt Status
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the WDT_O_TEST register.
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//
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//*****************************************************************************
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#define WDT_TEST_STALL 0x00000100 // Watchdog Stall Enable
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//*****************************************************************************
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//
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// The following are defines for the bit fields in the WDT_O_LOCK register.
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//
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//*****************************************************************************
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#define WDT_LOCK_M 0xFFFFFFFF // Watchdog Lock
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#define WDT_LOCK_UNLOCKED 0x00000000 // Unlocked
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#define WDT_LOCK_LOCKED 0x00000001 // Locked
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#define WDT_LOCK_UNLOCK 0x1ACCE551 // Unlocks the watchdog timer
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#endif // __HW_WATCHDOG_H__
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