wkt_001.h

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/*
 * @brief Self Wakeup Timer (WKT) registers and functions
 *
 * @note
 * Copyright(C) NXP Semiconductors, 2012
 * All rights reserved.
 *
 * @par
 * Software that is described herein is for illustrative purposes only
 * which provides customers with programming information regarding the
 * LPC products.  This software is supplied "AS IS" without any warranties of
 * any kind, and NXP Semiconductors and its licensor disclaim any and
 * all warranties, express or implied, including all implied warranties of
 * merchantability, fitness for a particular purpose and non-infringement of
 * intellectual property rights.  NXP Semiconductors assumes no responsibility
 * or liability for the use of the software, conveys no license or rights under any
 * patent, copyright, mask work right, or any other intellectual property rights in
 * or to any products. NXP Semiconductors reserves the right to make changes
 * in the software without notification. NXP Semiconductors also makes no
 * representation or warranty that such application will be suitable for the
 * specified use without further testing or modification.
 *
 * @par
 * Permission to use, copy, modify, and distribute this software and its
 * documentation is hereby granted, under NXP Semiconductors' and its
 * licensor's relevant copyrights in the software, without fee, provided that it
 * is used in conjunction with NXP Semiconductors microcontrollers.  This
 * copyright, permission, and disclaimer notice must appear in all copies of
 * this code.
 */

#ifndef __WKT_001_H_
#define __WKT_001_H_

#include "sys_config.h"
#include "cmsis.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
 __IO uint32_t  CTRL; 
 uint32_t  Reserved[2];
 __IO uint32_t  COUNT; 
} IP_WKT_001_T;

#define WKT_CTRL_CLKSEL        ((uint32_t) (1 << 0)) 
#define WKT_CTRL_ALARMFLAG     ((uint32_t) (1 << 1)) 
#define WKT_CTRL_CLEARCTR      ((uint32_t) (1 << 2)) 
typedef enum IP_WKT_CLKSRC {
 IP_WKT_CLKSRC_DIVIRC = 0, 
 IP_WKT_CLKSRC_10KHZ = 1     
} IP_WKT_CLKSRC_T;

STATIC INLINE void IP_WKT_ClearIntStatus(IP_WKT_001_T *pWKT)
{
 if ( pWKT->CTRL & WKT_CTRL_ALARMFLAG ) {
  pWKT->CTRL |= WKT_CTRL_ALARMFLAG;
 }
}

STATIC INLINE void IP_WKT_Stop(IP_WKT_001_T *pWKT)
{
 pWKT->CTRL |= WKT_CTRL_CLEARCTR;
}

STATIC INLINE void IP_WKT_SetClockSource(IP_WKT_001_T *pWKT, IP_WKT_CLKSRC_T clkSrc)
{
 if (clkSrc == IP_WKT_CLKSRC_10KHZ) {
  pWKT->CTRL |= WKT_CTRL_CLKSEL; /* using Low Power clock 10kHz */
 }
 else {
  pWKT->CTRL &= ~WKT_CTRL_CLKSEL; /* using Divided IRC clock 750kHz */
 }
}

STATIC INLINE void IP_WKT_Start(IP_WKT_001_T *pWKT, uint32_t cntVal)
{
 pWKT->COUNT = cntVal;
}

#ifdef __cplusplus
}
#endif

#endif /* __WKT_001_H_ */