TIMESYNC PTP API

Introduction

Data Structures
struct	TimeSyncPtp_TimeStamp
	802.1AS-rev Timestamp structure More...
struct	TimeSyncPtp_ExtendedTimestamp
	802.1AS-rev ExtendedTimestamp More...
struct	TimeSyncPtp_MasterParams
	Master and grand master clock params. More...
struct	TimeSyncPtp_Config
	Time synchronization PTP configuration structure. More...

Functions
void	TimeSyncPtp_setDefaultPtpConfig (TimeSyncPtp_Config *ptpConfig)
	Function to initialize PTP configuration with default values. More...
TimeSyncPtp_Handle	TimeSyncPtp_init (TimeSyncPtp_Config *ptpConfig)
	Initialize PTP stack. More...
void	TimeSyncPtp_deInit (TimeSyncPtp_Handle hTimeSyncPtp)
	De-initialize PTP stack. More...
void	TimeSyncPtp_enable (TimeSyncPtp_Handle hTimeSyncPtp)
	Enable PTP firmware. More...
void	TimeSyncPtp_disable (TimeSyncPtp_Handle hTimeSyncPtp)
	Disable PTP firmware. More...
void	TimeSyncPtp_PortLinkResetCallBack (void *arg, uint8_t portNum, uint8_t linkStatus)
	Callback for link status change on Port. More...
void	TimeSyncPtp_reset (TimeSyncPtp_Handle timeSyncPtpHandle)
	Reset the state machine in firmware to restart synchronization (First adjustment happens again). If Sync interval changes or link break happens or there is a large adjustment in time this function is called. More...
uint8_t	TimeSyncPtp_isEnabled (TimeSyncPtp_Handle timeSyncPtpHandle)
	Return TRUE/FALSE if timeSync module is enabled/disabled. More...
void	TimeSyncPtp_enableMaster (TimeSyncPtp_Handle timeSyncPtpHandle)
	Change from Slave to Master if not already. This should be invoked by the BMCA algorithm. More...
void	TimeSyncPtp_disableMaster (TimeSyncPtp_Handle timeSyncPtpHandle)
	Change from Master mode to slave mode. This should be invoked by the BMCA algorithm. More...

Typedefs
typedef void(*	TimeSyncPtp_SyncLossNotify) (void)
	TimeSync PTP sync loss callback function. More...
typedef struct TimeSyncPtp_Obj_s *	TimeSyncPtp_Handle

Enumerations
enum	TimeSyncPtp_DelayType { TIMESYNC_PTP_DELAY_E2E = 1U, TIMESYNC_PTP_DELAY_P2P = 2U }
	PTP Delay Mechanism Type. From Table 9 of Standard. More...
enum	TimeSyncPtp_TimeSource {   TIMESYNC_CLKSRC_ATOMIC_CLOCK = 0x10U, TIMESYNC_CLKSRC_GPS = 0x20U, TIMESYNC_CLKSRC_TERRESTRIAL_RADIO = 0x30U, TIMESYNC_CLKSRC_PTP = 0x40U,   TIMESYNC_CLKSRC_NTP = 0x50U, TIMESYNC_CLKSRC_HAND_SET = 0x60U, TIMESYNC_CLKSRC_OTHER = 0x90U, TIMESYNC_CLKSRC_INTERNAL_OSCILLATOR = 0xA0U }
	802.1AS-rev Enumeration8 More...

Macros
#define	TIMESYNC_PTP_MAX_PORTS_SUPPORTED   (8U)

Macro Definition Documentation

#define TIMESYNC_PTP_MAX_PORTS_SUPPORTED   (8U)

Number of ports supported by this PTP

Typedef Documentation

typedef void(* TimeSyncPtp_SyncLossNotify) (void)

TimeSync PTP sync loss callback function.

typedef struct TimeSyncPtp_Obj_s* TimeSyncPtp_Handle

Enumeration Type Documentation

enum TimeSyncPtp_DelayType

PTP Delay Mechanism Type. From Table 9 of Standard.

Enumerator
TIMESYNC_PTP_DELAY_E2E	End to end delay mechanism
TIMESYNC_PTP_DELAY_P2P	Peer to peer delay mechanism

enum TimeSyncPtp_TimeSource

802.1AS-rev Enumeration8

Enumerator
TIMESYNC_CLKSRC_ATOMIC_CLOCK	Atomic clock
TIMESYNC_CLKSRC_GPS	GPS clock
TIMESYNC_CLKSRC_TERRESTRIAL_RADIO	Terrestrial radio clock
TIMESYNC_CLKSRC_PTP	PTP clock
TIMESYNC_CLKSRC_NTP	NTP clock
TIMESYNC_CLKSRC_HAND_SET	Handset clock
TIMESYNC_CLKSRC_OTHER	Other clock
TIMESYNC_CLKSRC_INTERNAL_OSCILLATOR	Internal oscillator clock

Function Documentation

void TimeSyncPtp_setDefaultPtpConfig

(

TimeSyncPtp_Config *

ptpConfig

)

Function to initialize PTP configuration with default values.

Parameters

ptpConfig

Pointer to PTP configuration

Returns

None

TimeSyncPtp_Handle TimeSyncPtp_init

(

TimeSyncPtp_Config *

ptpConfig

)

Initialize PTP stack.

Parameters

ptpConfig

Pointer to PTP configuration

Returns

SUCCESS: Handle to PTP object, FAILURE: NULL

void TimeSyncPtp_deInit

(

TimeSyncPtp_Handle

hTimeSyncPtp

)

De-initialize PTP stack.

Parameters

hTimeSyncPtp

Pointer to PTP Handle structure

Returns

None

void TimeSyncPtp_enable

(

TimeSyncPtp_Handle

hTimeSyncPtp

)

Enable PTP firmware.

Parameters

hTimeSyncPtp

Pointer to PTP Handle structure

Returns

None

void TimeSyncPtp_disable

(

TimeSyncPtp_Handle

hTimeSyncPtp

)

Disable PTP firmware.

Parameters

hTimeSyncPtp

pointer to PTP Handle structure

Returns

None

void TimeSyncPtp_PortLinkResetCallBack	(	void *	arg,
		uint8_t	portNum,
		uint8_t	linkStatus
	)

Callback for link status change on Port.

Parameters

arg	callback argument
portNum
linkStatus	1/0 whether up or down

Returns

None

void TimeSyncPtp_reset

(

TimeSyncPtp_Handle

timeSyncPtpHandle

)

Reset the state machine in firmware to restart synchronization (First adjustment happens again). If Sync interval changes or link break happens or there is a large adjustment in time this function is called.

Parameters

timeSyncPtpHandle

pointer to PTP Handle structure

Return values

None

uint8_t TimeSyncPtp_isEnabled

(

TimeSyncPtp_Handle

timeSyncPtpHandle

)

Return TRUE/FALSE if timeSync module is enabled/disabled.

Parameters

timeSyncPtpHandle

pointer to PTP Handle structure

void TimeSyncPtp_enableMaster

(

TimeSyncPtp_Handle

timeSyncPtpHandle

)

Change from Slave to Master if not already. This should be invoked by the BMCA algorithm.

Parameters

timeSyncPtpHandle

pointer to PTP Handle structure

Return values

None

void TimeSyncPtp_disableMaster

(

TimeSyncPtp_Handle

timeSyncPtpHandle

)

Change from Master mode to slave mode. This should be invoked by the BMCA algorithm.

Parameters

timeSyncPtpHandle

pointer to PTP Handle structure

Return values

None