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wwdt_18xx_43xx.h
Go to the documentation of this file.
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/*
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* @brief LPC18xx/43xx WWDT chip driver
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*
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* @note
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* Copyright(C) NXP Semiconductors, 2012
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* All rights reserved.
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*
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* @par
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* Software that is described herein is for illustrative purposes only
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* which provides customers with programming information regarding the
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* LPC products. This software is supplied "AS IS" without any warranties of
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* any kind, and NXP Semiconductors and its licensor disclaim any and
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* all warranties, express or implied, including all implied warranties of
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* merchantability, fitness for a particular purpose and non-infringement of
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* intellectual property rights. NXP Semiconductors assumes no responsibility
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* or liability for the use of the software, conveys no license or rights under any
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* patent, copyright, mask work right, or any other intellectual property rights in
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* or to any products. NXP Semiconductors reserves the right to make changes
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* in the software without notification. NXP Semiconductors also makes no
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* representation or warranty that such application will be suitable for the
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* specified use without further testing or modification.
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*
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* @par
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* Permission to use, copy, modify, and distribute this software and its
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* documentation is hereby granted, under NXP Semiconductors' and its
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* licensor's relevant copyrights in the software, without fee, provided that it
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* is used in conjunction with NXP Semiconductors microcontrollers. This
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* copyright, permission, and disclaimer notice must appear in all copies of
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* this code.
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*/
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#ifndef __WWDT_18XX_43XX_H_
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#define __WWDT_18XX_43XX_H_
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#include "
chip.h
"
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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#define WDT_OSC (CGU_IRC_FREQ)
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#define WWDT_WDMOD_WDEN ((uint32_t) (1 << 0))
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#define WWDT_WDMOD_WDRESET ((uint32_t) (1 << 1))
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#define WWDT_WDMOD_WDTOF ((uint32_t) (1 << 2))
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#define WWDT_WDMOD_WDINT ((uint32_t) (1 << 3))
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#define WWDT_WDMOD_WDPROTECT ((uint32_t) (1 << 4))
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#define WWDT_TICKS_MIN 0xFF
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#define WWDT_TICKS_MAX 0xFFFFFF
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void
Chip_WWDT_Init
(
void
);
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STATIC
INLINE
void
Chip_WWDT_SetTimeOut
(
uint32_t
timeout)
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{
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LPC_WWDT
->TC = timeout;
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}
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STATIC
INLINE
void
Chip_WWDT_Feed
(
void
)
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{
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LPC_WWDT
->FEED = 0xAA;
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LPC_WWDT
->FEED = 0x55;
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}
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STATIC
INLINE
void
Chip_WWDT_SetWarning
(
uint32_t
timeout)
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{
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LPC_WWDT
->WARNINT = timeout;
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}
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STATIC
INLINE
void
Chip_WWDT_SetWindow
(
uint32_t
timeout)
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{
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LPC_WWDT
->WINDOW = timeout;
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}
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STATIC
INLINE
void
Chip_WWDT_SetOption
(
uint32_t
options)
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{
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LPC_WWDT
->MOD |= options;
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}
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STATIC
INLINE
void
Chip_WWDT_UnsetOption
(
uint32_t
options)
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{
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LPC_WWDT
->MOD &= ~options;
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}
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STATIC
INLINE
void
Chip_WWDT_Start
(
void
)
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{
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Chip_WWDT_SetOption
(
WWDT_WDMOD_WDEN
);
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Chip_WWDT_Feed
();
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}
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STATIC
INLINE
uint32_t
Chip_WWDT_GetStatus
(
void
)
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{
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return
LPC_WWDT
->MOD;
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}
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void
Chip_WWDT_ClearStatusFlag
(
uint32_t
status
);
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STATIC
INLINE
uint32_t
WWDT_GetCurrentCount
(
void
)
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{
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return
LPC_WWDT
->TV;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
/* __WWDT_18XX_43XX_H_ */
software
lpc_core
lpc_chip
chip_18xx_43xx
wwdt_18xx_43xx.h
Generated on Fri Nov 16 2012 13:36:42 for LPCOpen Platform by
1.8.2