152 lines
4.6 KiB
C
152 lines
4.6 KiB
C
/*
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* @brief Repetitive Interrupt Timer registers and control functions
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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 __RITIMER_001_H_
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#define __RITIMER_001_H_
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#include "sys_config.h"
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#include "cmsis.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** @defgroup IP_RITIMER_001 IP: RITimer register block and driver
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* @ingroup IP_Drivers
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* Repetitive Interrupt Timer
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* @{
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*/
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/**
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* @brief Repetitive Interrupt Timer register block structure
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*/
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typedef struct { /*!< RITIMER Structure */
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__IO uint32_t COMPVAL; /*!< Compare register */
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__IO uint32_t MASK; /*!< Mask register. This register holds the 32-bit mask value. A 1 written to any bit will force a compare on the corresponding bit of the counter and compare register. */
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__IO uint32_t CTRL; /*!< Control register. */
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__IO uint32_t COUNTER; /*!< 32-bit counter */
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} IP_RITIMER_001_Type;
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/**
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* @brief RITIMER register support bitfields and mask
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*/
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/*
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* RIT control register
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*/
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/** Set by H/W when the counter value equals the masked compare value */
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#define RIT_CTRL_INT ((uint32_t) (1))
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/** Set timer enable clear to 0 when the counter value equals the masked compare value */
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#define RIT_CTRL_ENCLR ((uint32_t) _BIT(1))
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/** Set timer enable on debug */
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#define RIT_CTRL_ENBR ((uint32_t) _BIT(2))
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/** Set timer enable */
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#define RIT_CTRL_TEN ((uint32_t) _BIT(3))
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/**
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* @brief Initialize the RIT
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* @param RITx : RIT peripheral selected
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* @return None
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*/
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void IP_RIT_Init(IP_RITIMER_001_Type *RITx);
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/**
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* @brief DeInitialize the RIT
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* @param RITx : RIT peripheral selected
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* @return None
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*/
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void IP_RIT_DeInit(IP_RITIMER_001_Type *RITx);
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/**
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* @brief Enable/Disable Timer
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* @param RITx : RIT peripheral selected
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* @param NewState : ENABLE to enable RITimer, DISABLE to disable
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* @return None
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*/
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void IP_RIT_Enable(IP_RITIMER_001_Type *RITx, FunctionalState NewState);
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/**
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* @brief Timer Enable/Disable on debug
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* @param RITx : RIT peripheral selected
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* @param NewState : ENABLE to halt timer whenever a hardware break condition occurs
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* @return None
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*/
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void IP_RIT_TimerDebugCmd(IP_RITIMER_001_Type *RITx, FunctionalState NewState);
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/**
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* @brief Check whether interrupt flag is set or not
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* @param RITx : RIT peripheral selected
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* @return Current interrupt status, could be SET or UNSET
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*/
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IntStatus IP_RIT_GetIntStatus(IP_RITIMER_001_Type *RITx);
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/**
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* @brief Set a tick value for the interrupt to time out
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* @param RITx : RIT peripheral selected
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* @param val : value (in ticks) of the interrupt to be set
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* @return None
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*/
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STATIC INLINE void IP_RIT_SetCOMPVAL(IP_RITIMER_001_Type *RITx, uint32_t val)
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{
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RITx->COMPVAL = val;
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}
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/**
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* @brief Enables or clears the RIT or interrupt
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* @param RITx : RIT peripheral selected
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* @param val : RIT to be set, one or more RIT_CTRL_* values
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* @return None
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*/
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STATIC INLINE void IP_RIT_EnableCTRL(IP_RITIMER_001_Type *RITx, uint32_t val)
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{
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RITx->CTRL |= val;
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}
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/**
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* @brief Get the RIT Counter value
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* @param RITx : RIT peripheral selected
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* @return the counter value
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*/
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STATIC INLINE uint32_t IP_RIT_GetCounter(IP_RITIMER_001_Type *RITx)
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{
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return RITx->COUNTER;
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}
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* __RITIMER_001_H_ */
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