CDOG

Overview

Files
file	fsl_cdog.h

Driver version
#define	FSL_CDOG_DRIVER_VERSION   (MAKE_VERSION(2, 1, 1))
	Defines CDOG driver version 2.1.1. More...

CDOG Functional Operation
status_t	CDOG_Init (CDOG_Type *base, cdog_config_t *conf)
	Initialize CDOG. More...
void	CDOG_Deinit (CDOG_Type *base)
	Deinitialize CDOG. More...
void	CDOG_GetDefaultConfig (cdog_config_t *conf)
	Sets the default configuration of CDOG. More...
void	CDOG_Stop (CDOG_Type *base, uint32_t stop)
	Stops secure counter and instruction timer. More...
void	CDOG_Start (CDOG_Type *base, uint32_t reload, uint32_t start)
	Sets secure counter and instruction timer values. More...
void	CDOG_Check (CDOG_Type *base, uint32_t check)
	Checks secure counter. More...
void	CDOG_Set (CDOG_Type *base, uint32_t stop, uint32_t reload, uint32_t start)
	Sets secure counter and instruction timer values. More...
void	CDOG_Add (CDOG_Type *base, uint32_t add)
	Add value to secure counter. More...
void	CDOG_Add1 (CDOG_Type *base)
	Add 1 to secure counter. More...
void	CDOG_Add16 (CDOG_Type *base)
	Add 16 to secure counter. More...
void	CDOG_Add256 (CDOG_Type *base)
	Add 256 to secure counter. More...
void	CDOG_Sub (CDOG_Type *base, uint32_t sub)
	brief Substract value to secure counter More...
void	CDOG_Sub1 (CDOG_Type *base)
	Substract 1 from secure counter. More...
void	CDOG_Sub16 (CDOG_Type *base)
	Substract 16 from secure counter. More...
void	CDOG_Sub256 (CDOG_Type *base)
	Substract 256 from secure counter. More...
void	CDOG_WritePersistent (CDOG_Type *base, uint32_t value)
	Set the CDOG persistent word. More...
uint32_t	CDOG_ReadPersistent (CDOG_Type *base)
	Get the CDOG persistent word. More...

Macro Definition Documentation

#define FSL_CDOG_DRIVER_VERSION   (MAKE_VERSION(2, 1, 1))

Change log:

• Version 2.1.1
  • Remove bit CONTROL[CONTROL_CTRL]
• Version 2.1.0
  • Rename CWT to CDOG
• Version 2.0.2
  • Fix MISRA-2012 issues
• Version 2.0.1
  • Fix doxygen issues
• Version 2.0.0
  • initial version

Function Documentation

status_t CDOG_Init	(	CDOG_Type *	base,
		cdog_config_t *	conf
	)

This function initializes CDOG block and setting.

Parameters

base	CDOG peripheral base address
conf	CDOG configuration structure

Returns

Status of the init operation

void CDOG_Deinit

(

CDOG_Type *

base

)

This function deinitializes CDOG secure counter.

Parameters

base	CDOG peripheral base address

void CDOG_GetDefaultConfig

(

cdog_config_t *

conf

)

This function initialize CDOG config structure to default values.

Parameters

conf	CDOG configuration structure

void CDOG_Stop	(	CDOG_Type *	base,
		uint32_t	stop
	)

This function stops instruction timer and secure counter. This also change state od CDOG to IDLE.

Parameters

base	CDOG peripheral base address
stop	expected value which will be compared with value of secure counter

void CDOG_Start	(	CDOG_Type *	base,
		uint32_t	reload,
		uint32_t	start
	)

This function sets value in RELOAD and START registers for instruction timer and secure counter

Parameters

base	CDOG peripheral base address
reload	reload value
start	start value

void CDOG_Check	(	CDOG_Type *	base,
		uint32_t	check
	)

This function compares stop value in handler with secure counter value by writting to RELOAD refister.

Parameters

base	CDOG peripheral base address
check	expected (stop) value

void CDOG_Set	(	CDOG_Type *	base,
		uint32_t	stop,
		uint32_t	reload,
		uint32_t	start
	)

This function sets value in STOP, RELOAD and START registers for instruction timer and secure counter.

Parameters

base	CDOG peripheral base address
stop	expected value which will be compared with value of secure counter
reload	reload value for instruction timer
start	start value for secure timer

void CDOG_Add	(	CDOG_Type *	base,
		uint32_t	add
	)

This function add specified value to secure counter.

Parameters

base	CDOG peripheral base address.
add	Value to be added.

void CDOG_Add1

(

CDOG_Type *

base

)

This function add 1 to secure counter.

Parameters

base	CDOG peripheral base address.

void CDOG_Add16

(

CDOG_Type *

base

)

This function add 16 to secure counter.

Parameters

base	CDOG peripheral base address.

void CDOG_Add256

(

CDOG_Type *

base

)

This function add 256 to secure counter.

Parameters

base	CDOG peripheral base address.

void CDOG_Sub	(	CDOG_Type *	base,
		uint32_t	sub
	)

This function substract specified value to secure counter.

param base CDOG peripheral base address. param sub Value to be substracted.

void CDOG_Sub1

(

CDOG_Type *

base

)

This function substract specified 1 from secure counter.

Parameters

base	CDOG peripheral base address.

void CDOG_Sub16

(

CDOG_Type *

base

)

This function substract specified 16 from secure counter.

Parameters

base	CDOG peripheral base address.

void CDOG_Sub256

(

CDOG_Type *

base

)

This function substract specified 256 from secure counter.

Parameters

base	CDOG peripheral base address.

void CDOG_WritePersistent	(	CDOG_Type *	base,
		uint32_t	value
	)

Parameters

base	CDOG peripheral base address.
value	The value to be written.

uint32_t CDOG_ReadPersistent

(

CDOG_Type *

base

)

Parameters

base	CDOG peripheral base address.

Returns

The persistent word.