Run a Slave Simulator

This example requires installing a free, third-party XCP implementation from Vector. The package includes an XCP slave simulator and A2L file. To install this driver, please follow these instructions:

Open the A2L File

Establishing a connection to an XCP slave requires using the A2L file that describes the slave module.

a2lObj = xcpA2L('XCPSIM.a2l')

a2lObj = 

  A2L with properties:

                 FileName: 'XCPSIM.a2l'
                 FilePath: '\\central-mi\home\jpyle\documents\MATLAB\examples\vnt-ex33137552\XCPSIM.a2l'
                SlaveName: 'CPP'
        ProtocolLayerInfo: [1×1 xcp.ProtocolLayerInfo]
                  DAQInfo: [1×1 xcp.DAQInfo]
    TransportLayerCANInfo: [1×1 xcp.TransportLayerCANInfo]
    TransportLayerUDPInfo: [1×1 xcp.TransportLayerUDPInfo]
    TransportLayerTCPInfo: []
                   Events: {1×6 cell}
             Measurements: {1×45 cell}
          Characteristics: {1×16 cell}
                EventInfo: [1×6 xcp.Event]
          MeasurementInfo: [45×1 containers.Map]
       CharacteristicInfo: [16×1 containers.Map]
                 AxisInfo: [1×1 containers.Map]
            RecordLayouts: [41×1 containers.Map]
             CompuMethods: [16×1 containers.Map]
                CompuTabs: [0×1 containers.Map]
               CompuVTabs: [2×1 containers.Map]

Create an XCP Channel

Create an XCP channel in order to prepare a connection to the slave.

xcpCh = xcpChannel(a2lObj, 'CAN', 'Vector', 'Virtual 1', 1)

xcpCh = 

  Channel with properties:

               SlaveName: 'CPP'
             A2LFileName: 'XCPSIM.a2l'
          TransportLayer: 'CAN'
    TransportLayerDevice: [1×1 struct]
              SeedKeyDLL: []

Connect to the Slave

To make communication with the slave active, connect to it.

connect(xcpCh)

Create a DAQ List

Create a DAQ list using one of the events specified in the A2L and assign to it some measurements defined in the A2L file.

createMeasurementList(xcpCh, 'DAQ', '10 ms', {'Triangle', 'PWM', 'channel3'})

Start Measurements

Starting measurements begins the transmission of DAQ messages from the slave. After running for a few seconds, stop measurements.

startMeasurement(xcpCh)
pause(3);
stopMeasurement(xcpCh)

Retrieve the Triangle Measurement Data

Receive the acquired data from the channel for each measurement.

dataTriangle = readDAQListData(xcpCh, 'Triangle');
plot(dataTriangle)

Retrieve the PWM Measurement Data

Receive the acquired data from the channel for each measurement.

dataPWM = readDAQListData(xcpCh, 'PWM');
plot(dataPWM)

Retrieve the channel3 Measurement Data

Receive the acquired data from the channel for each measurement.

datachannel3 = readDAQListData(xcpCh, 'channel3');
plot(datachannel3)

Disconnect from the Slave

To make communication with the slave inactive, disconnect from it.

disconnect(xcpCh)