ecap/v0/ecap.h File Reference

Introduction

This file contains the function prototypes for the device abstraction layer for ECAP. It also contains some related macro definitions and some files to be included.

Go to the source code of this file.

Macros
ECAP Operating Mode
#define	ECAP_CAPTURE_MODE   (0U)
	Capture Mode. More...
#define	ECAP_APWM_MODE   (1U)
	Auxiliary PWM Mode. More...
ECAP time stamp capture on event
#define	ECAP_CAPTURE_EVENT_1   ((uint32_t)0x08U)
	Time stamp capture on event 1. More...
#define	ECAP_CAPTURE_EVENT_2   ((uint32_t)0x0cU)
	Time stamp capture on event 2. More...
#define	ECAP_CAPTURE_EVENT_3   ((uint32_t)0x10U)
	Time stamp capture on event 3. More...
#define	ECAP_CAPTURE_EVENT_4   ((uint32_t)0x14U)
	Time stamp capture on event 4. More...
ECAP stop capture on event
#define	ECAP_CAPTURE_EVENT1_STOP   ((uint32_t)0x00U)
	Stop capture after event 1. More...
#define	ECAP_CAPTURE_EVENT2_STOP   ((uint32_t)0x01U)
	Stop capture after event 2. More...
#define	ECAP_CAPTURE_EVENT3_STOP   ((uint32_t)0x02U)
	Stop capture after event 3. More...
#define	ECAP_CAPTURE_EVENT4_STOP   ((uint32_t)0x03U)
	Stop capture after event 4. More...
ECAP APWM Output Polarity
#define	ECAP_APWM_ACTIVE_HIGH   (0U)
	Output Polarity HIGH. More...
#define	ECAP_APWM_ACTIVE_LOW   (1U)
	Output Polarity LOW. More...
ECAP Counter Mode
#define	ECAP_COUNTER_STOP   (0U)
	Counter Mode Stop. More...
#define	ECAP_COUNTER_FREE_RUNNING   (1U)
	Counter Mode Free Running. More...
ECAP Counter SyncIn Mode
#define	ECAP_SYNC_IN_DISABLE   ((uint32_t)0U)
	Disable SyncIn option. More...
#define	ECAP_ENABLE_COUNTER   ((uint32_t)1U)
	Enable Counter to be loaded from the ECAP_CNTPHS register upon SYNCI signal. More...
ECAP Counter SyncOut Mode
#define	ECAP_SYNC_IN   ((uint32_t)0x0U)
	Select SyncIn event to be the SyncOut signal. More...
#define	ECAP_PRD_EQ   ((uint32_t)0x1U)
	Select PRD event to be the SyncOut signal. More...
#define	ECAP_SYNC_OUT_DISABLE   ((uint32_t)0x2U)
	Disable SyncOut Signal. More...
ECAP Interrupt Sources
#define	ECAP_CEVT1_INT   (ECAP_ECEINT_CEVT1)
	Capture Event 1 Interrupt Enable. More...
#define	ECAP_CEVT2_INT   (ECAP_ECEINT_CEVT2)
	Capture Event 2 Interrupt Enable. More...
#define	ECAP_CEVT3_INT   (ECAP_ECEINT_CEVT3)
	Capture Event 3 Interrupt Enable. More...
#define	ECAP_CEVT4_INT   (ECAP_ECEINT_CEVT4)
	Capture Event 4 Interrupt Enable. More...
#define	ECAP_CNTOVF_INT   (ECAP_ECEINT_CTROVF)
	Counter Overflow Interrupt Enable. More...
#define	ECAP_PRDEQ_INT   (ECAP_ECEINT_CTR_PRD)
	Period Equal Interrupt Enable. More...
#define	ECAP_CMPEQ_INT   (ECAP_ECEINT_CTR_CMP)
	Compare Equal Interrupt Enable. More...
ECAP Global Interrupt Source
#define	ECAP_GLOBAL_INT   (ECAP_ECFLG_INT)
	Global Interrupt Source Clear Flag. More...
ECAP Capture Event Polarity
#define	ECAP_CAPTURE_EVENT_RISING   (0U)
	Capture Event Rising Edge. More...
#define	ECAP_CAPTURE_EVENT_FALLING   (1U)
	Capture Event Falling Edge. More...
ECAP Counter Reset On Capture Event
#define	ECAP_CAPTURE_EVENT_RESET_COUNTER_NO_RESET   (0U)
	No counter reset upon Capture Event. More...
#define	ECAP_CAPTURE_EVENT_RESET_COUNTER_RESET   (1U)
	Counter reset upon Capture Event. More...

Functions
void	ECAPCaptureLoadingEnable (uint32_t baseAddr)
	This function enables capture loading. More...
void	ECAPCaptureLoadingDisable (uint32_t baseAddr)
	This function disables capture loading. More...
void	ECAPPrescaleConfig (uint32_t baseAddr, uint32_t prescale)
	This function configures prescale value. More...
void	ECAPOperatingModeSelect (uint32_t baseAddr, uint32_t modeSelect)
	This function configures ecapture module to operate in capture mode or in APWM mode. More...
uint32_t	ECAPTimeStampRead (uint32_t baseAddr, uint32_t capEvtFlag)
	This function returns time-stamp for a given capture event. More...
void	ECAPCounterConfig (uint32_t baseAddr, uint32_t countVal)
	This function configures the counter register which is used as Capture Time base. More...
void	ECAPCaptureEvtPolarityConfig (uint32_t baseAddr, uint32_t capEvt1pol, uint32_t capEvt2pol, uint32_t capEvt3pol, uint32_t capEvt4pol)
	This function configures Capture Event polarity. More...
void	ECAPCaptureEvtCntrRstConfig (uint32_t baseAddr, uint32_t counterRst1, uint32_t counterRst2, uint32_t counterRst3, uint32_t counterRst4)
	This function enables reset of the counters upon Capture Events. More...
void	ECAPContinousModeConfig (uint32_t baseAddr)
	This function configures ECAP to Continuous mode. More...
void	ECAPOneShotModeConfig (uint32_t baseAddr, uint32_t stopVal)
	This function configures ECAP to One-shot mode and also stop value for this mode. More...
void	ECAPOneShotREARM (uint32_t baseAddr)
	This function configures ECAP to One-Short Re-arming. More...
void	ECAPAPWMPolarityConfig (uint32_t baseAddr, uint32_t flag)
	This function configures output polarity for APWM output. More...
void	ECAPCounterControl (uint32_t baseAddr, uint32_t flag)
	This function configures counter to stop or free running based on its input argument flag. More...
void	ECAPSyncInOutSelect (uint32_t baseAddr, uint32_t syncIn, uint32_t syncOut)
	This function configures Sync-In and Sync-Out. More...
void	ECAPAPWMCaptureConfig (uint32_t baseAddr, uint32_t compareVal, uint32_t periodVal)
	When ECAP module is configured in APWM mode capture 1 and capture 2 registers are used as period and compare register.This function configures compare and period values to this register. More...
void	ECAPAPWMShadowCaptureConfig (uint32_t baseAddr, uint32_t compareVal, uint32_t periodVal)
	This function configures the Shadow register. More...
void	ECAPCounterPhaseValConfig (uint32_t baseAddr, uint32_t cntPhaseVal)
	This function configures the counter phase value. More...
void	ECAPGlobalIntrClear (uint32_t baseAddr)
	This function clears global interrupt and enables the generation of interrupts if any of the event interrupt are enabled and corresponding event interrupt flag is set. More...
void	ECAPIntrEnable (uint32_t baseAddr, uint32_t flag)
	This function enables the specified interrupts. More...
void	ECAPIntrDisable (uint32_t baseAddr, uint32_t flag)
	This function disables the specified interrupts. More...
uint32_t	ECAPGetIntrStatus (uint32_t baseAddr, uint32_t flag)
	This function returns the status specified interrupts. More...
void	ECAPIntrStatusClear (uint32_t baseAddr, uint32_t flag)
	This function clears of the status specified interrupts. More...
uint32_t	ECAPPeripheralIdGet (uint32_t baseAddr)
	This function returns the peripheral ID. More...