rt-thread/bsp/xplorer4330/libraries/lpc_ip/ritimer_001.h

152 lines
4.6 KiB
C

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