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/*
* @brief LPC5410X Micro Tick chip 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 __UTICK_5410X_H_
#define __UTICK_5410X_H_
#ifdef __cplusplus
extern "C" {
#endif
/** @defgroup UTICK_5410X CHIP: LPC5410X Micro Tick driver
* @ingroup CHIP_5410X_DRIVERS
* @{
*/
/**
* @brief Micro Tick register block structure
*/
typedef struct {
__IO uint32_t CTRL; /*!< UTick Control register */
__IO uint32_t STATUS; /*!< UTick Status register */
} LPC_UTICK_T;
/**
* @brief UTick register definitions
*/
/** UTick repeat delay bit */
#define UTICK_CTRL_REPEAT ((uint32_t) 1UL << 31)
/** UTick Delay Value Mask */
#define UTICK_CTRL_DELAY_MASK ((uint32_t) 0x7FFFFFFF)
/** UTick Interrupt Status bit */
#define UTICK_STATUS_INTR ((uint32_t) 1 << 0)
/** UTick Active Status bit */
#define UTICK_STATUS_ACTIVE ((uint32_t) 1 << 1)
/** UTick Status Register Mask */
#define UTICK_STATUS_MASK ((uint32_t) 0x03)
/**
* @brief Initialize the UTICK peripheral
* @param pUTICK : UTICK peripheral selected
* @return Nothing
*/
STATIC INLINE void Chip_UTICK_Init(LPC_UTICK_T *pUTICK)
{
Chip_Clock_EnablePeriphClock(SYSCON_CLOCK_UTICK);
Chip_SYSCON_PeriphReset(RESET_UTICK);
}
/**
* @brief De-initialize the UTICK peripheral
* @param pUTICK : UTICK peripheral selected
* @return Nothing
*/
STATIC INLINE void Chip_UTICK_DeInit(LPC_UTICK_T *pUTICK)
{
Chip_Clock_DisablePeriphClock(SYSCON_CLOCK_UTICK);
}
/**
* @brief Setup UTICK
* @param pUTICK : The base address of UTICK block
* @param tick_value : Tick value, should not exceed UTICK_CTRL_DELAY_MASK
* @param repeat : If true then delay repeats continuously else it is one time
* @return Nothing
*/
void Chip_UTICK_SetTick(LPC_UTICK_T *pUTICK, uint32_t tick_value, bool repeat);
/**
* @brief Setup UTICK for the passed delay (in mS)
* @param pUTICK : The base address of UTICK block
* @param delayMs : Delay value in mS (Maximum is 1000mS)
* @param repeat : If true then delay repeats continuously else it is one time
* @return Nothing
* @note The WDT oscillator runs at about 500KHz, so delays in uS won't be
* too accurate.
*/
void Chip_UTICK_SetDelayMs(LPC_UTICK_T *pUTICK, uint32_t delayMs, bool repeat);
/**
* @brief Read UTICK Value
* @param pUTICK : The base address of UTICK block
* @return Current tick value
*/
STATIC INLINE uint32_t Chip_UTICK_GetTick(LPC_UTICK_T *pUTICK)
{
return pUTICK->CTRL & UTICK_CTRL_DELAY_MASK;
}
/**
* @brief Halt UTICK timer
* @param pUTICK : The base address of UTICK block
* @return Nothing
*/
STATIC INLINE void Chip_UTICK_Halt(LPC_UTICK_T *pUTICK)
{
pUTICK->CTRL = 0;
}
/**
* @brief Returns the status of UTICK
* @param pUTICK : The base address of UTICK block
* @return Micro tick timer status register value
*/
STATIC INLINE uint32_t Chip_UTICK_GetStatus(LPC_UTICK_T *pUTICK)
{
return pUTICK->STATUS;
}
/**
* @brief Clears UTICK Interrupt flag
* @param pUTICK : The base address of UTICK block
* @return Nothing
*/
STATIC INLINE void Chip_UTICK_ClearInterrupt(LPC_UTICK_T *pUTICK)
{
pUTICK->STATUS = UTICK_STATUS_INTR;
}
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __UTICK_5410X_H_ */
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