主要内容

canFDMessageTimetable

将 CAN 或 CAN FD 报文转换为时间表

说明

msgtimetable = canFDMessageTimetable(msg) 基于现有 CAN FD 报文时间表、CAN 报文对象数组或 CAN FD Log 模块中的 CAN FD 报文结构体创建一个 CAN FD 报文时间表。输出报文时间表包含报文中的原始报文信息(ID、Extended、Data 等)。如果 CAN 报文对象是包含解码信息的输入,则该解码信息保留在 CAN FD 报文时间表中。

示例

msgtimetable = canFDMessageTimetable(msg,database) 使用数据库解码时间表的报文名称和信号以及原始报文信息。使用数组指定多个数据库,以在单个调用中解码时间表中的报文名称和信号。

输入 msg 也可以是通过对 mdfDatastore 对象使用 read 创建的数据时间表。在本例中,函数将 ASAM 标准记录格式数据的时间表转换为 Vehicle Network Toolbox™ CAN FD 报文时间表。

示例

示例

全部折叠

将日志模块输出转换为 CAN FD 报文时间表。

 load LogBlockOutput.mat;
 db = canDatabase('myDatabase.dbc');
 msgTimetable = canFDMessageTimetable(canMsgs,db);

将 CAN 报文对象的数组转换为 CAN FD 报文时间表。

msgTimetable = canFDMessageTimetable(canMsgs);

使用数据库解码现有 CAN FD 报文时间表。

db = canDatabase('myDatabase.dbc')
msgTimetable = canFDMessageTimetable(msgTimetable,db)

结果将返回到原始时间表变量。

转换现有 ASAM 格式报文时间表,并使用数据库解码。

db = canDatabase("CustomerDatabase.dbc");
mdfData = mdfRead("CANandCANFD.MF4");
msgTimetable = canFDMessageTimetable(mdfData{2},db);

比较两个时间表。

mdfData{2}
ans =

  131×27 timetable with 0 events

             t         CAN_DataFrame.BusChannel    CAN_DataFrame.FlagsEx    CAN_DataFrame.Dir    CAN_DataFrame.SingleWire    CAN_DataFrame.WakeUp    CAN_DataFrame.SRR    CAN_DataFrame.R0    CAN_DataFrame.R1    CAN_DataFrame.EDL    CAN_DataFrame.BRS    CAN_DataFrame.ESI    CAN_DataFrame.ID    CAN_DataFrame.IDE    CAN_DataFrame.FrameDuration    CAN_DataFrame.BitCount    CAN_DataFrame.DLC    CAN_DataFrame.DataLength                                                    CAN_DataFrame.DataBytes                                                     CAN_DataFrame.TimeOffsetBRS    CAN_DataFrame.TimeOffsetCRCDel    CAN_DataFrame.TxAttemptsReq    CAN_DataFrame.TxAttemptsMax    CAN_DataFrame.CRC    CAN_DataFrame.BtrExtCfg    CAN_DataFrame.StuffBitCount    CAN_DataFrame.StuffBitCountParityBit    CAN_DataFrame.StuffBitCountValidBit
        ___________    ________________________    _____________________    _________________    ________________________    ____________________    _________________    ________________    ________________    _________________    _________________    _________________    ________________    _________________    ___________________________    ______________________    _________________    ________________________    ________________________________________________________________________________________________________________________    ___________________________    ______________________________    ___________________________    ___________________________    _________________    _______________________    ___________________________    ____________________________________    ___________________________________

        0.30022 sec               1                       2109504                 "Tx"                      0                         0                      0                   0                   0                    1                    1                    0                   768                  0                      219000                        683                     15                       64               {[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 … ] (1×64 uint8)}                 0                               0                                0                              0                         0            {[54 23 1 32 5 2 1 32]}                 0                                  0                                       1                 
        0.45025 sec               1                       2097216                 "Tx"                      0                         0                      0                   0                   0                    0                    0                    0                  1104                  0                      246000                        126                      8                        8               {[                                                                                                     0 0 0 0 0 0 0 0]}                 0                               0                                0                              0                         0            {[54 23 1 32 5 2 1 32]}                 0                                  0                                       0                 
        0.60022 sec               1                       2109504                 "Tx"                      0                         0                      0                   0                   0                    1                    1                    0                   768                  0                      219000                        683                     15                       64               {[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 … ] (1×64 uint8)}                 0                               0                                0                              0                         0            {[54 23 1 32 5 2 1 32]}                 0                                  0                                       1                 
        0.75013 sec               1                       2109504                 "Tx"                      0                         0                      0                   0                   0                    1                    1                    0                  1872                  0                      121000                        298                     12                       24               {[                                                                     0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0]}                 0                               0                                0                              0                         0            {[54 23 1 32 5 2 1 32]}                 0                                  0                                       1                 
        0.90022 sec               1                       2109504                 "Tx"                      0                         0                      0                   0                   0                    1                    1                    0                   768                  0                      219000                        683                     15                       64               {[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 … ] (1×64 uint8)}                 0                               0                                0                              0                         0            {[54 23 1 32 5 2 1 32]}                 0                                  0                                       1                 
        0.90048 sec               1                       2228288                 "Tx"                      0                         0                      0                   0                   0                    0                    0                    0                  1104                  0                      246000                        126                      8                        8               {[                                                                                                     0 0 0 0 0 0 0 0]}                 0                               0                                0                              0                         0            {[54 23 1 32 5 2 1 32]}                 0                                  0                                       0                 

             :                    :                          :                      :                       :                         :                      :                   :                   :                    :                    :                    :                   :                    :                         :                           :                       :                       :                                                                           :                                                                             :                               :                                :                              :                         :                       :                            :                                  :                                       :                 

        18.45 sec                 1                       2097216                 "Tx"                      0                         0                      0                   0                   0                    0                    0                    0                  1104                  0                      246000                        126                      8                        8               {[                                                                                                     0 0 0 0 0 0 0 0]}                 0                               0                                0                              0                         0            {[54 23 1 32 5 2 1 32]}                 0                                  0                                       0                 
        18.6 sec                  1                       2109504                 "Tx"                      0                         0                      0                   0                   0                    1                    1                    0                   768                  0                      219000                        683                     15                       64               {[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 … ] (1×64 uint8)}                 0                               0                                0                              0                         0            {[54 23 1 32 5 2 1 32]}                 0                                  0                                       1                 
        18.75 sec                 1                       2109504                 "Tx"                      0                         0                      0                   0                   0                    1                    1                    0                  1872                  0                      121000                        298                     12                       24               {[                                                                     0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0]}                 0                               0                                0                              0                         0            {[54 23 1 32 5 2 1 32]}                 0                                  0                                       1                 
        18.9 sec                  1                       2109504                 "Tx"                      0                         0                      0                   0                   0                    1                    1                    0                   768                  0                      219000                        683                     15                       64               {[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 … ] (1×64 uint8)}                 0                               0                                0                              0                         0            {[54 23 1 32 5 2 1 32]}                 0                                  0                                       1                 
        18.9 sec                  1                       2228288                 "Tx"                      0                         0                      0                   0                   0                    0                    0                    0                  1104                  0                      246000                        126                      8                        8               {[                                                                                                     0 0 0 0 0 0 0 0]}                 0                               0                                0                              0                         0            {[54 23 1 32 5 2 1 32]}                 0                                  0                                       0                 
        19.2 sec                  1                       2109504                 "Tx"                      0                         0                      0                   0                   0                    1                    1                    0                   768                  0                      219000                        683                     15                       64               {[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 … ] (1×64 uint8)}                 0                               0                                0                              0                         0            {[54 23 1 32 5 2 1 32]}                 0                                  0                                       1                 
msgTimetable
msgTimetable =

  131×12 timetable

       Time         ID     Extended       Name       ProtocolMode                                                             Data                                                             Length    DLC      Signals       Error    Remote     BRS      ESI 
    ___________    ____    ________    __________    ____________    ______________________________________________________________________________________________________________________    ______    ___    ____________    _____    ______    _____    _____

    0.30022 sec     768     false      {0×0 char}     {'CAN FD'}     {[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 … ] (1×64 uint8)}      64      15     {0×0 struct}    false    false     true     false
    0.45025 sec    1104     false      {0×0 char}     {'CAN'   }     {[                                                                                                   0 0 0 0 0 0 0 0]}       8       8     {0×0 struct}    false    false     false    false
    0.60022 sec     768     false      {0×0 char}     {'CAN FD'}     {[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 … ] (1×64 uint8)}      64      15     {0×0 struct}    false    false     true     false
    0.75013 sec    1872     false      {0×0 char}     {'CAN FD'}     {[                                                                   0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0]}      24      12     {0×0 struct}    false    false     true     false
    0.90022 sec     768     false      {0×0 char}     {'CAN FD'}     {[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 … ] (1×64 uint8)}      64      15     {0×0 struct}    false    false     true     false
    0.90048 sec    1104     false      {0×0 char}     {'CAN'   }     {[                                                                                                   0 0 0 0 0 0 0 0]}       8       8     {0×0 struct}    false    false     false    false

         :          :         :            :              :                                                                    :                                                                 :        :          :            :        :         :        :  

    18.45 sec      1104     false      {0×0 char}     {'CAN'   }     {[                                                                                                   0 0 0 0 0 0 0 0]}       8       8     {0×0 struct}    false    false     false    false
    18.6 sec        768     false      {0×0 char}     {'CAN FD'}     {[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 … ] (1×64 uint8)}      64      15     {0×0 struct}    false    false     true     false
    18.75 sec      1872     false      {0×0 char}     {'CAN FD'}     {[                                                                   0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0]}      24      12     {0×0 struct}    false    false     true     false
    18.9 sec        768     false      {0×0 char}     {'CAN FD'}     {[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 … ] (1×64 uint8)}      64      15     {0×0 struct}    false    false     true     false
    18.9 sec       1104     false      {0×0 char}     {'CAN'   }     {[                                                                                                   0 0 0 0 0 0 0 0]}       8       8     {0×0 struct}    false    false     false    false
    19.2 sec        768     false      {0×0 char}     {'CAN FD'}     {[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 … ] (1×64 uint8)}      64      15     {0×0 struct}    false    false     true     false

输入参数

全部折叠

原始 CAN 报文,指定为以下项之一:

  • can.Message 对象数组

  • CAN FD 报文时间表

  • ASAM MDF CAN FD 报文时间表

  • 来自 CAN FD Log 模块的 CAN FD 报文结构体

示例: canFDMessage()

CAN 数据库,指定为数据库对象。

示例: database = canDatabase('CANDatabase.dbc')

输出参量

全部折叠

以时间表形式返回的 CAN FD 报文。

版本历史记录

在 R2018b 中推出