rt-thread/bsp/lm4f232/Libraries/inc/hw_watchdog.h

//*****************************************************************************
//
// hw_watchdog.h - Macros used when accessing the Watchdog Timer hardware.
//
// Copyright (c) 2005-2011 Texas Instruments Incorporated.  All rights reserved.
// Software License Agreement
// 
// Texas Instruments (TI) is supplying this software for use solely and
// exclusively on TI's microcontroller products. The software is owned by
// TI and/or its suppliers, and is protected under applicable copyright
// laws. You may not combine this software with "viral" open-source
// software in order to form a larger program.
// 
// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
// DAMAGES, FOR ANY REASON WHATSOEVER.
// 
// This is part of revision 8264 of the Stellaris Firmware Development Package.
//
//*****************************************************************************

#ifndef __HW_WATCHDOG_H__
#define __HW_WATCHDOG_H__

//*****************************************************************************
//
// The following are defines for the Watchdog Timer register offsets.
//
//*****************************************************************************
#define WDT_O_LOAD              0x00000000  // Watchdog Load
#define WDT_O_VALUE             0x00000004  // Watchdog Value
#define WDT_O_CTL               0x00000008  // Watchdog Control
#define WDT_O_ICR               0x0000000C  // Watchdog Interrupt Clear
#define WDT_O_RIS               0x00000010  // Watchdog Raw Interrupt Status
#define WDT_O_MIS               0x00000014  // Watchdog Masked Interrupt Status
#define WDT_O_TEST              0x00000418  // Watchdog Test
#define WDT_O_LOCK              0x00000C00  // Watchdog Lock

//*****************************************************************************
//
// The following are defines for the bit fields in the WDT_O_LOAD register.
//
//*****************************************************************************
#define WDT_LOAD_M              0xFFFFFFFF  // Watchdog Load Value
#define WDT_LOAD_S              0

//*****************************************************************************
//
// The following are defines for the bit fields in the WDT_O_VALUE register.
//
//*****************************************************************************
#define WDT_VALUE_M             0xFFFFFFFF  // Watchdog Value
#define WDT_VALUE_S             0

//*****************************************************************************
//
// The following are defines for the bit fields in the WDT_O_CTL register.
//
//*****************************************************************************
#define WDT_CTL_WRC             0x80000000  // Write Complete
#define WDT_CTL_INTTYPE         0x00000004  // Watchdog Interrupt Type
#define WDT_CTL_RESEN           0x00000002  // Watchdog Reset Enable
#define WDT_CTL_INTEN           0x00000001  // Watchdog Interrupt Enable

//*****************************************************************************
//
// The following are defines for the bit fields in the WDT_O_ICR register.
//
//*****************************************************************************
#define WDT_ICR_M               0xFFFFFFFF  // Watchdog Interrupt Clear
#define WDT_ICR_S               0

//*****************************************************************************
//
// The following are defines for the bit fields in the WDT_O_RIS register.
//
//*****************************************************************************
#define WDT_RIS_WDTRIS          0x00000001  // Watchdog Raw Interrupt Status

//*****************************************************************************
//
// The following are defines for the bit fields in the WDT_O_MIS register.
//
//*****************************************************************************
#define WDT_MIS_WDTMIS          0x00000001  // Watchdog Masked Interrupt Status

//*****************************************************************************
//
// The following are defines for the bit fields in the WDT_O_TEST register.
//
//*****************************************************************************
#define WDT_TEST_STALL          0x00000100  // Watchdog Stall Enable

//*****************************************************************************
//
// The following are defines for the bit fields in the WDT_O_LOCK register.
//
//*****************************************************************************
#define WDT_LOCK_M              0xFFFFFFFF  // Watchdog Lock
#define WDT_LOCK_UNLOCKED       0x00000000  // Unlocked
#define WDT_LOCK_LOCKED         0x00000001  // Locked
#define WDT_LOCK_UNLOCK         0x1ACCE551  // Unlocks the watchdog timer

//*****************************************************************************
//
// The following are defines for the bit fields in the WDT_ISR, WDT_RIS, and
// WDT_MIS registers.
//
//*****************************************************************************
#define WDT_INT_TIMEOUT         0x00000001  // Watchdog timer expired

//*****************************************************************************
//
// The following definitions are deprecated.
//
//*****************************************************************************
#ifndef DEPRECATED

//*****************************************************************************
//
// The following are deprecated defines for the Watchdog Timer register
// offsets.
//
//*****************************************************************************
#define WDT_O_PeriphID4         0x00000FD0
#define WDT_O_PeriphID5         0x00000FD4
#define WDT_O_PeriphID6         0x00000FD8
#define WDT_O_PeriphID7         0x00000FDC
#define WDT_O_PeriphID0         0x00000FE0
#define WDT_O_PeriphID1         0x00000FE4
#define WDT_O_PeriphID2         0x00000FE8
#define WDT_O_PeriphID3         0x00000FEC
#define WDT_O_PCellID0          0x00000FF0
#define WDT_O_PCellID1          0x00000FF4
#define WDT_O_PCellID2          0x00000FF8
#define WDT_O_PCellID3          0x00000FFC

//*****************************************************************************
//
// The following are deprecated defines for the bit fields in the WDT_O_TEST
// register.
//
//*****************************************************************************
#define WDT_TEST_STALL_EN       0x00000100  // Watchdog stall enable

//*****************************************************************************
//
// The following are deprecated defines for the reset values for the WDT
// registers.
//
//*****************************************************************************
#define WDT_RV_VALUE            0xFFFFFFFF  // Current value register
#define WDT_RV_LOAD             0xFFFFFFFF  // Load register
#define WDT_RV_PCellID1         0x000000F0
#define WDT_RV_PCellID3         0x000000B1
#define WDT_RV_PeriphID1        0x00000018
#define WDT_RV_PeriphID2        0x00000018
#define WDT_RV_PCellID0         0x0000000D
#define WDT_RV_PCellID2         0x00000005
#define WDT_RV_PeriphID0        0x00000005
#define WDT_RV_PeriphID3        0x00000001
#define WDT_RV_PeriphID5        0x00000000
#define WDT_RV_RIS              0x00000000  // Raw interrupt status register
#define WDT_RV_CTL              0x00000000  // Control register
#define WDT_RV_PeriphID4        0x00000000
#define WDT_RV_PeriphID6        0x00000000
#define WDT_RV_PeriphID7        0x00000000
#define WDT_RV_LOCK             0x00000000  // Lock register
#define WDT_RV_MIS              0x00000000  // Masked interrupt status register

#endif

#endif // __HW_WATCHDOG_H__