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/*
* @brief LPC5410x RITimer driver
*
* @note
* Copyright(C) NXP Semiconductors, 2014
* 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_5410X_H_
#define __RITIMER_5410X_H_
#ifdef __cplusplus
extern "C" {
#endif
/** @defgroup RITIMER_5410X CHIP: LPC5410x Repetitive Interrupt Timer driver
* @ingroup CHIP_5410X_DRIVERS
* @{
*/
/**
* @brief Repetitive Interrupt Timer register block structure
*/
typedef struct { /*!< RITIMER Structure */
__IO uint32_t COMPVAL; /*!< Compare register */
__IO uint32_t MASK; /*!< Mask register */
__IO uint32_t CTRL; /*!< Control register */
__IO uint32_t COUNTER; /*!< 32-bit counter */
__IO uint32_t COMPVAL_H; /*!< Compare register, upper 16-bits */
__IO uint32_t MASK_H; /*!< Compare register, upper 16-bits */
__I uint32_t reserved;
__IO uint32_t COUNTER_H; /*!< Counter register, upper 16-bits */
} LPC_RITIMER_T;
/*
* @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 pRITimer : RITimer peripheral selected
* @return None
*/
void Chip_RIT_Init(LPC_RITIMER_T *pRITimer);
/**
* @brief Shutdown the RIT
* @param pRITimer : RITimer peripheral selected
* @return None
*/
void Chip_RIT_DeInit(LPC_RITIMER_T *pRITimer);
/**
* @brief Enable Timer
* @param pRITimer : RITimer peripheral selected
* @return None
*/
STATIC INLINE void Chip_RIT_Enable(LPC_RITIMER_T *pRITimer)
{
pRITimer->CTRL |= RIT_CTRL_TEN;
}
/**
* @brief Disable Timer
* @param pRITimer : RITimer peripheral selected
* @return None
*/
STATIC INLINE void Chip_RIT_Disable(LPC_RITIMER_T *pRITimer)
{
pRITimer->CTRL &= ~RIT_CTRL_TEN;
}
/**
* @brief Enable timer debug
* @param pRITimer : RITimer peripheral selected
* @return None
*/
STATIC INLINE void Chip_RIT_DebugEnable(LPC_RITIMER_T *pRITimer)
{
pRITimer->CTRL |= RIT_CTRL_ENBR;
}
/**
* @brief Disable timer debug
* @param pRITimer : RITimer peripheral selected
* @return None
*/
STATIC INLINE void Chip_RIT_DebugDisable(LPC_RITIMER_T *pRITimer)
{
pRITimer->CTRL &= ~RIT_CTRL_ENBR;
}
/**
* @brief Enable clear on compare match
* @param pRITimer : RITimer peripheral selected
* @return None
*/
STATIC INLINE void Chip_RIT_CompClearEnable(LPC_RITIMER_T *pRITimer)
{
pRITimer->CTRL |= RIT_CTRL_ENCLR;
}
/**
* @brief Disable clear on compare match
* @param pRITimer : RITimer peripheral selected
* @return None
*/
STATIC INLINE void Chip_RIT_CompClearDisable(LPC_RITIMER_T *pRITimer)
{
pRITimer->CTRL &= ~RIT_CTRL_ENCLR;
}
/**
* @brief Check whether interrupt flag is set or not
* @param pRITimer : RITimer peripheral selected
* @return Current interrupt status, either ET or UNSET
*/
IntStatus Chip_RIT_GetIntStatus(LPC_RITIMER_T *pRITimer);
/**
* @brief Set a tick value for the interrupt to time out
* @param pRITimer : RITimer peripheral selected
* @param val : value (in ticks) of the interrupt to be set
* @return None
*/
STATIC INLINE void Chip_RIT_SetCOMPVAL(LPC_RITIMER_T *pRITimer, uint32_t val)
{
pRITimer->COMPVAL = val;
pRITimer->COMPVAL_H = 0;
}
/**
* @brief Set a tick value for the interrupt to time out (48-bits)
* @param pRITimer : RITimer peripheral selected
* @param val : value (in ticks) of the interrupt to be set, 48-bits max
* @return None
*/
STATIC INLINE void Chip_RIT_SetCOMPVAL64(LPC_RITIMER_T *pRITimer, uint64_t val)
{
pRITimer->COMPVAL = (uint32_t) (val & 0xFFFFFFFF);
pRITimer->COMPVAL_H = (uint32_t) ((val >> 32) & 0xFFFF);
}
/**
* @brief Enables or clears the RIT or interrupt
* @param pRITimer : RITimer peripheral selected
* @param val : RIT to be set, one or more RIT_CTRL_* values
* @return None
*/
STATIC INLINE void Chip_RIT_EnableCTRL(LPC_RITIMER_T *pRITimer, uint32_t val)
{
pRITimer->CTRL |= val;
}
/**
* @brief Clears the RIT interrupt
* @param pRITimer : RITimer peripheral selected
* @return None
*/
STATIC INLINE void Chip_RIT_ClearInt(LPC_RITIMER_T *pRITimer)
{
pRITimer->CTRL |= RIT_CTRL_INT;
}
/**
* @brief Returns the current RIT Counter value
* @param pRITimer : RITimer peripheral selected
* @return the current timer counter value
*/
STATIC INLINE uint32_t Chip_RIT_GetCounter(LPC_RITIMER_T *pRITimer)
{
return pRITimer->COUNTER;
}
/**
* @brief Returns the current RIT Counter value (48-bit)
* @param pRITimer : RITimer peripheral selected
* @return the current timer counter value
*/
STATIC INLINE uint64_t Chip_RIT_GetCounter64(LPC_RITIMER_T *pRITimer)
{
uint64_t retVal;
retVal = (uint64_t) pRITimer->COUNTER;
retVal = retVal | (((uint64_t) pRITimer->COUNTER_H) << 32);
return retVal;
}
/**
* @brief Set timer interval value
* @param pRITimer : RITimer peripheral selected
* @param time_interval : timer interval value (ms)
* @return None
*/
void Chip_RIT_SetTimerInterval(LPC_RITIMER_T *pRITimer, uint32_t time_interval);
/**
* @brief Set timer interval value (48-bit)
* @param pRITimer : RITimer peripheral selected
* @param time_interval : timer interval value (ms)
* @return None
*/
void Chip_RIT_SetTimerInterval64(LPC_RITIMER_T *pRITimer, uint64_t time_interval);
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __RITIMER_5410X_H_ */
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