CAN 通信におけるメッセージ受信コールバック関数の使用

rxCh = 
  Channel with properties:

   Device Information
            DeviceVendor: 'MathWorks'
                  Device: 'Virtual 1'
      DeviceChannelIndex: 2
      DeviceSerialNumber: 0
            ProtocolMode: 'CAN'

   Status Information
                 Running: 0
       MessagesAvailable: 0
        MessagesReceived: 0
     MessagesTransmitted: 0
    InitializationAccess: 1
        InitialTimestamp: [0×0 datetime]
           FilterHistory: 'Standard ID Filter: Allow All | Extended ID Filter: Allow All'

   Channel Information
               BusStatus: 'N/A'
              SilentMode: 0
         TransceiverName: 'N/A'
        TransceiverState: 'N/A'
       ReceiveErrorCount: 0
      TransmitErrorCount: 0
                BusSpeed: 500000
                     SJW: []
                   TSEG1: []
                   TSEG2: []
            NumOfSamples: []

   Other Information
                Database: []
                UserData: []

function receivingFcn(rxCh)
% RECEIVINGFCN A CAN channel message receive callback function.
%
%   This is a callback function used to receive CAN message. It receives 
%   messages from the channel RXCH and plots the result.
%

% Copyright 2009-2016 The MathWorks, Inc.

    % Receive all available messages.
    rxMsg = receive(rxCh, Inf, 'OutputFormat', 'timetable');

    % Plot the signal values against their message timestamps.
    plot(rxMsg.Time, rxMsg.ID, 'x');
    ylim([0 2047])
    xlabel('Timestamp');
    ylabel('CAN Identifier');
    hold all;
end

ans = 11