gptpbasetypes.h

Go to the documentation of this file.

/*
 * Copyright (c) 2023 Texas Instruments Incorporated
 * Copyright (c) 2023 Excelfore Corporation (https://excelfore.com)
 *
 * All rights reserved not granted herein.
 * Limited License.
 *
 * Texas Instruments Incorporated grants a world-wide, royalty-free,
 * non-exclusive license under copyrights and patents it now or hereafter
 * owns or controls to make, have made, use, import, offer to sell and sell ("Utilize")
 * this software subject to the terms herein. With respect to the foregoing patent
 * license, such license is granted solely to the extent that any such patent is necessary
 * to Utilize the software alone. The patent license shall not apply to any combinations which
 * include this software, other than combinations with devices manufactured by or for TI ("TI Devices").
 * No hardware patent is licensed hereunder.
 *
 * Redistributions must preserve existing copyright notices and reproduce this license (including the
 * above copyright notice and the disclaimer and (if applicable) source code license limitations below)
 * in the documentation and/or other materials provided with the distribution
 *
 * Redistribution and use in binary form, without modification, are permitted provided that the following
 * conditions are met:
 *
 * * No reverse engineering, decompilation, or disassembly of this software is permitted with respect to any
 * software provided in binary form.
 * * any redistribution and use are licensed by TI for use only with TI Devices.
 * * Nothing shall obligate TI to provide you with source code for the software licensed and provided to you in object code.
 *
 * If software source code is provided to you, modification and redistribution of the source code are permitted
 * provided that the following conditions are met:
 *
 * * any redistribution and use of the source code, including any resulting derivative works, are licensed by
 * TI for use only with TI Devices.
 * * any redistribution and use of any object code compiled from the source code and any resulting derivative
 * works, are licensed by TI for use only with TI Devices.
 *
 * Neither the name of Texas Instruments Incorporated nor the names of its suppliers may be used to endorse or
 * promote products derived from this software without specific prior written permission.
 *
 * DISCLAIMER.
 *
 * THIS SOFTWARE IS PROVIDED BY TI AND TI"S LICENSORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL TI AND TI"S LICENSORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef GPTPBASETYPES_H_
#define GPTPBASETYPES_H_
 
#include <string.h>
 
#define MAX_PATH_TRACE_N 179
 
#define CLOCK_IDENTITY_LENGTH     8
 
typedef uint8_t ClockIdentity[CLOCK_IDENTITY_LENGTH];
 
typedef uint8_t Nibble;
typedef uint8_t Octet;
typedef uint8_t Octet2[2];
typedef uint8_t Octet3[3];
typedef uint8_t Octet4[4];
typedef uint8_t Enumeration2;
typedef uint8_t Enumeration4;
typedef uint8_t Enumeration8;
typedef uint16_t Enumeration16;
typedef uint32_t Enumeration24;
typedef uint8_t UInteger4;
 
typedef struct PortIdentity {
    ClockIdentity clockIdentity;
    uint16_t portIndex;
} PortIdentity;
 
typedef struct ClockQuality {
    uint8_t clockClass;
    Enumeration8 clockAccuracy;
    uint16_t offsetScaledLogVariance;
} ClockQuality;
 
typedef struct UInteger48 {
    uint32_t lsb;
    uint16_t msb;
} UInteger48;
typedef struct UInteger48m32 {
    uint16_t lsb;
    uint32_t msb;
} UInteger48m32;
 
typedef struct UInteger112 {
    uint8_t priority1;
    uint8_t clockClass;
    uint8_t clockAccuracy;
    uint16_t offsetScaledLogVariance;
    uint8_t priority2;
    ClockIdentity clockIdentity;
} UInteger112;
 
typedef struct UInteger224 {
        UInteger112 rootSystemIdentity;
        uint16_t stepsRemoved;
        PortIdentity sourcePortIdentity;
        uint16_t portNumber;
} UInteger224;
 
typedef struct ScaledNs {
    uint16_t subns;
    int64_t nsec;
    int16_t nsec_msb;
} ScaledNs;
 
typedef struct UScaledNs {
    uint16_t subns;
    uint64_t nsec;
    uint16_t nsec_msb;
} UScaledNs;
 
/*
 * @brief 2^-16 ns scaling multiplier
 */
#define SCALEDNS_FACTOR 0x10000
 
/*
 * @brief The TimeInterval type represents time intervals, in units of 2^-16 ns
 * @verbatim Example to express ns@endverbatim
 * @code
 * 2.5 ns expressed as below
 * 0x0000 0000 0002 8000
 * @endcode
 *
 */
typedef struct TimeInterval {
    int64_t scaledNanoseconds;
} TimeInterval;
 
typedef struct Timestamp {
    uint32_t nanoseconds;
    UInteger48 seconds;
} Timestamp;
 
typedef struct ExtendedTimestamp {
    UInteger48m32 fractionalNanoseconds;
    UInteger48 seconds;
} ExtendedTimestamp;
 
#define VALUE_DISABLED 0u
#define VALUE_ENABLED 1u
 
typedef enum {
    ATOMIC_CLOCK         = 0x10,
    GPS                  = 0x20,
    TERRESTRIAL_RADIO    = 0x30,
    PTP                  = 0x40,
    NTP                  = 0x50,
    HAND_SET             = 0x60,
    OTHER                = 0x90,
    INTERNAL_OSCILLATOR  = 0xA0,
} TimeSource;
 
// 14.8.3 portState, (from IEEE 1588 Table-8)
typedef enum {
    DisabledPort = 3,
    MasterPort = 6,
    PassivePort = 7,
    SlavePort = 9,
} PTPPortState;
 
typedef enum {
    GMSYNC_UNSYNC=0,
    GMSYNC_SYNC,
    GMSYNC_SYNC_STABLE,
} gmsync_status_t;
 
#endif