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136 lines
3.1 KiB
C
136 lines
3.1 KiB
C
/**
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* \author van Kempen Alexandre
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* \mainpage PTPd v2 Documentation
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* \version 2.0.1
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* \date 17 nov 2010
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* \section implementation Implementation
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* PTPd is full implementation of IEEE 1588 - 2008 standard of ordinary clock.
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*/
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/**
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*\file
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* \brief Main functions used in ptpdv2
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*
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* This header file includes all others headers.
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* It defines functions which are not dependant of the operating system.
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*/
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#ifndef PTPD_H_
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#define PTPD_H_
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdbool.h>
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#include <limits.h>
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#include "lwip/opt.h"
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#include "lwip/api.h"
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#include "lwip/inet.h"
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#include "lwip/mem.h"
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#include "lwip/udp.h"
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#include "lwip/igmp.h"
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#include "lwip/arch.h"
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#include "constants.h"
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#include "dep/constants_dep.h"
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#include "dep/datatypes_dep.h"
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#include "datatypes.h"
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#include "ptpd_dep.h"
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#define max(a, b) (((a) > (b)) ? (a) : (b))
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#define min(a, b) (((a) < (b)) ? (a) : (b))
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/**
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* \brief Convert scaled nanoseconds into TimeInternal structure
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*/
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void scaledNanosecondsToInternalTime(const int64_t*, TimeInternal*);
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/**
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* \brief Convert TimeInternal into Timestamp structure (defined by the spec)
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*/
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void fromInternalTime(const TimeInternal*, Timestamp*);
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/**
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* \brief Convert Timestamp to TimeInternal structure (defined by the spec)
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*/
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void toInternalTime(TimeInternal*, const Timestamp*);
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/**
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* \brief Add two TimeInternal structure and normalize
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*/
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void addTime(TimeInternal*, const TimeInternal*, const TimeInternal*);
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/**
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* \brief Substract two TimeInternal structure and normalize
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*/
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void subTime(TimeInternal*, const TimeInternal*, const TimeInternal*);
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/**
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* \brief Divide the TimeInternal by 2 and normalize
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*/
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void div2Time(TimeInternal*);
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/**
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* \brief Returns the floor form of binary logarithm for a 32 bit integer.
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* -1 is returned if ''n'' is 0.
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*/
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int32_t floorLog2(uint32_t);
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/**
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* \brief Compare data set of foreign masters and local data set
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* \return The recommended state for the port
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*/
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uint8_t bmc(PtpClock*);
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/**
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* \brief When recommended state is Master, copy local data into parent and grandmaster dataset
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*/
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void m1(PtpClock*);
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/**
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* \brief When recommended state is Passive
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*/
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void p1(PtpClock*);
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/**
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* \brief When recommended state is Slave, copy dataset of master into parent and grandmaster dataset
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*/
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void s1(PtpClock*, const MsgHeader*, const MsgAnnounce*);
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/**
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* \brief Initialize datas
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*/
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void initData(PtpClock*);
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/**
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* \brief Compare two port identities
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*/
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bool isSamePortIdentity(const PortIdentity*, const PortIdentity*);
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/**
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* \brief Add foreign record defined by announce message
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*/
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void addForeign(PtpClock*, const MsgHeader*, const MsgAnnounce*);
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/**
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* \brief Run PTP stack in current state
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*/
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void doState(PtpClock*);
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/**
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* \brief Change state of PTP stack
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*/
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void toState(PtpClock*, uint8_t);
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/** \}*/
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// Initialize PTP daemon thread.
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void ptpd_init(void);
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void ptpd_task(void);
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void ptpd_alert(void);
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#endif /* PTPD_H_*/
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