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/******************************************************************************
* @brief Periodic Interrupt ETMer (PIT) driver head file.
*
******************************************************************************/
#ifndef PIT_H_
#define PIT_H_
#include"common.h"
#ifdef __cplusplus
extern "C" {
#endif
/******************************************************************************
* Includes
******************************************************************************/
/******************************************************************************
* Constants
******************************************************************************/
/******************************************************************************
* PIT channel number list
*
*//*! @addtogroup pit_channelnumber
* @{
*******************************************************************************/
enum
{
PIT_CHANNEL0 = 0, /*!< PIT channel 0 */
PIT_CHANNEL1 /*!< PIT channel 1 */
};
/*! @} End of pit_channelnumber */
/******************************************************************************
* Macros
******************************************************************************/
/******************************************************************************
* Types
******************************************************************************/
/*
* Callback type
*/
/******************************************************************************
* PIT callback function declaration
*
*//*! @addtogroup pit_callback
* @{
*******************************************************************************/
typedef void (*PIT_CallbackType)(void); /*!< PIT callback type */
/*! @} End of pit_callback */
/* PIT configuration structure
*/
/*!
* @brief PIT configuration type.
*
*/
typedef struct
{
uint8_t bFreeze : 1; /*!< 1: stop in debug mode, 0: run in debug mode */
uint8_t bModuleDis : 1; /*!< 1: PIT module is disable, 0: PIT module is enable */
uint8_t bReserved0 : 1; /*!< reserved bit */
uint8_t bReserved1 : 5; /*!< reserved bit */
uint8_t bETMerEn : 1; /*!< 1: channel ETMer is enable, 0: channel ETMer is disable */
uint8_t bInterruptEn : 1; /*!< 1: channel ETMer interrupt is enable, 0: channel ETMer interrupt is disable */
uint8_t bChainMode : 1; /*!< 1: chain mode is enable, 0: chain mode is disable */
uint8_t bReserved2 : 5; /*!< reserved bit */
uint8_t bFlag : 1; /*!< 1: flag is set,and write 1 to clear flag, 0: no flag is set */
uint8_t bReserved3 : 7; /*!< reserved bit */
uint32_t u32LoadValue ; /*!< 32-bit channel load value */
} PIT_ConfigType, *PIT_ConfigPtr;
/******************************************************************************
* Global variables
******************************************************************************/
/*!
* inline functions
*/
/******************************************************************************
* PIT API list
*
*//*! @addtogroup pit_api_list
* @{
*******************************************************************************/
/*****************************************************************************//*!
*
* @brief enable pit module.
*
* @param none
*
* @return none
*
* @ Pass/ Fail criteria: none
*****************************************************************************/
__STATIC_INLINE void PIT_Enable(void)
{
PIT->MCR &= ~PIT_MCR_MDIS_MASK;
}
/*****************************************************************************//*!
*
* @brief disable pit module.
*
* @param none
*
* @return none
*
* @ Pass/ Fail criteria: none
*****************************************************************************/
__STATIC_INLINE void PIT_Disable(void)
{
PIT->MCR |= PIT_MCR_MDIS_MASK;
}
/*****************************************************************************//*!
*
* @brief pit ETMers are stopped in debug mode.
*
* @param none
*
* @return none
*
* @ Pass/ Fail criteria: none
*****************************************************************************/
__STATIC_INLINE void PIT_SetDebugFreeze(void)
{
PIT->MCR |= PIT_MCR_FRZ_MASK;
}
/*****************************************************************************//*!
*
* @brief pit ETMers are running in debug mode.
*
* @param none
*
* @return none
*
* @ Pass/ Fail criteria: none
*****************************************************************************/
__STATIC_INLINE void PIT_SetDebugOn(void)
{
PIT->MCR &= ~PIT_MCR_FRZ_MASK;
}
/*****************************************************************************//*!
*
* @brief enable pit channel ETMer.
*
* @param[in] u8Channel.
*
* @return none
*
* @ Pass/ Fail criteria: none
*****************************************************************************/
__STATIC_INLINE void PIT_ChannelEnable(uint8_t u8Channel)
{
PIT->CHANNEL[u8Channel].TCTRL |= PIT_TCTRL_TEN_MASK;
}
/*****************************************************************************//*!
*
* @brief disable pit channel ETMer.
*
* @param[in] u8Channel.
*
* @return none
*
* @ Pass/ Fail criteria: none
*****************************************************************************/
__STATIC_INLINE void PIT_ChannelDisable(uint8_t u8Channel)
{
PIT->CHANNEL[u8Channel].TCTRL &= ~PIT_TCTRL_TEN_MASK;
}
/*****************************************************************************//*!
*
* @brief enable pit channel ETMer interrupt.
*
* @param[in] u8Channel.
*
* @return none
*
* @ Pass/ Fail criteria: none
*****************************************************************************/
__STATIC_INLINE void PIT_ChannelEnableInt(uint8_t u8Channel)
{
PIT->CHANNEL[u8Channel].TCTRL |= PIT_TCTRL_TIE_MASK;
}
/*****************************************************************************//*!
*
* @brief disable pit channel ETMer interrupt .
*
* @param[in] u8Channel.
*
* @return none
*
* @ Pass/ Fail criteria: none
*****************************************************************************/
__STATIC_INLINE void PIT_ChannelDisableInt(uint8_t u8Channel)
{
PIT->CHANNEL[u8Channel].TCTRL &= ~PIT_TCTRL_TIE_MASK;
}
/*****************************************************************************//*!
*
* @brief enable pit channel ETMer chain mode.
*
* @param[in] u8Channel.
*
* @return none
*
* @ Pass/ Fail criteria: none
*****************************************************************************/
__STATIC_INLINE void PIT_ChannelEnableChain(uint8_t u8Channel)
{
PIT->CHANNEL[u8Channel].TCTRL |= PIT_TCTRL_CHN_MASK;
}
/*****************************************************************************//*!
*
* @brief disable pit channel ETMer chain mode.
*
* @param[in] u8Channel.
*
* @return none
*
* @ Pass/ Fail criteria: none
*****************************************************************************/
__STATIC_INLINE void PIT_ChannelDisableChain(uint8_t u8Channel)
{
PIT->CHANNEL[u8Channel].TCTRL &= ~PIT_TCTRL_CHN_MASK;
}
/*****************************************************************************//*!
*
* @brief get pit channel ETMer interrrupt flag.
*
* @param[in] u8Channel.
*
* @return bflag.
*
* @ Pass/ Fail criteria: none
*****************************************************************************/
__STATIC_INLINE uint8_t PIT_ChannelGetFlags(uint8_t u8Channel)
{
uint8_t bflag;
bflag = (PIT->CHANNEL[u8Channel].TFLG & PIT_TFLG_TIF_MASK);
return bflag;
}
/*****************************************************************************//*!
*
* @brief clear pit channel ETMer interrrupt flag.
*
* @param[in] u8Channel
*
* @return none
*
* @ Pass/ Fail criteria: none
*****************************************************************************/
__STATIC_INLINE void PIT_ChannelClrFlags(uint8_t u8Channel)
{
PIT->CHANNEL[u8Channel].TFLG |= PIT_TFLG_TIF_MASK;
}
/******************************************************************************
* Global functions
******************************************************************************/
void PIT_Init(uint8_t u8Channel_No, PIT_ConfigType *pConfig);
void PIT_SetLoadVal(uint8_t u8Channel, uint32_t u32loadvalue);
void PIT_SetCallback(uint8_t u8Channel_No, PIT_CallbackType pfnCallback);
void PIT_DeInit(void);
/*! @} End of pit_api_list */
#ifdef __cplusplus
}
#endif
#endif /* PIT_H_ */
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