DWT configuration. More...

#include <dwt.h>

Public Attributes
bool	FoldedInstructionCounterEvent
	Enable folded instruction event counter.

bool	LSUCounterEvent
	Enable load/store event counter.

bool	SleepCounterEvent
	Enable sleep event counter.

bool	ExceptionOverheadCounterEvent
	Enable exception overhead counter event.

bool	CPICounterEvent
	Enable Cycles-per-Instruction counter event.

bool	ExceptionTrace
	Enable exception entry/exit trace. More...

bool	PCSampling
	Enable PC sampling. More...

DWTSyncTap	SyncTap
	Specifies interval for ITM synchronization and timestamp packets.

DWTCycleTap	CycleTap
	Specifies divider for counter used in PC sampling and event counters.

uint8_t	SamplingPrescaler
	Defines prescaler for PC sampling. More...

Detailed Description

DWT configuration.

Check with vendor documetation which capabilities are available.

See ARMv7-M Architecture Reference Manual, section C1.8.7 "Control register, DWT_CTRL" for details

Member Data Documentation

bool DWTOptions::ExceptionTrace

Enable exception entry/exit trace.

Generates packet for each exception entry and exit

bool DWTOptions::PCSampling

Enable PC sampling.

Periodically generates packet with current program counter. Interval defined by DWTOptions::CycleTap

uint8_t DWTOptions::SamplingPrescaler

Defines prescaler for PC sampling.

Range: 1 - 16

\(Frequency = \frac{POSTCNTClockRate}{SamplingPrescaler}\)

The documentation for this struct was generated from the following file: