Problem while reading data from arduino

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Problem while reading data from arduino

Problem while reading data from arduino

May-02-16 14:30:54

Hi,
I am trying to communicate with arduino through Serial port using Modelica_DeviceDrivers package. I'm successfully sending the data (sample code below).

Code:


model arduino

  parameter String Device_name = "COM5";

  import Modelica_DeviceDrivers.Communication.SerialPort;

  import Modelica_DeviceDrivers.Utilities.Types.SerialBaudRate;

  import Modelica_DeviceDrivers.Utilities.Types.ByteOrder;

  import Modelica_DeviceDrivers.Communication.SerialPort_;

  import Modelica_DeviceDrivers.Packaging.SerialPackager;

  import Modelica_DeviceDrivers.Packaging.SerialPackager_;

  parameter SerialBaudRate baud = SerialBaudRate.B9600;

  parameter ByteOrder byteorder = ByteOrder.BE;

  SerialPort OpenPort = SerialPort.constructor(Device_name, 16 * 1024, 0, 0, baud);

  SerialPackager pkg = SerialPackager.constructor(4608);

  parameter Integer S1[1] = {50};

  algorithm

  SerialPackager_.setPos(pkg, 0);

  SerialPackager_.addInteger(pkg, S1, byteorder);

  SerialPort_.sendTo(OpenPort, pkg, 4608);  

end arduino;

But I'm not able to receive data from arduino. (See the code below).

Code:


model arduinoread

  parameter String Device_name = "COM5";

  import Modelica_DeviceDrivers.Communication.SerialPort;

  import Modelica_DeviceDrivers.Utilities.Types.SerialBaudRate;

  import Modelica_DeviceDrivers.Utilities.Types.ByteOrder;

  import Modelica_DeviceDrivers.Communication.SerialPort_;

  import Modelica_DeviceDrivers.Packaging.SerialPackager;

  import Modelica_DeviceDrivers.Packaging.SerialPackager_;

  parameter SerialBaudRate baud = SerialBaudRate.B9600;

  parameter ByteOrder byteorder = ByteOrder.LE;

  SerialPort readPort = SerialPort.constructor(Device_name, 16 * 1024, 0, 1, baud);

  SerialPackager pkg = SerialPackager.constructor(4608);

  //SerialPackager pkg1 = SerialPackager.constructor(4608);

  //parameter Integer S1[1] = {50};

  //Real n;

  Integer I[16];

  algorithm

  SerialPackager_.setPos(pkg, 0);

  SerialPort_.read(readPort,pkg);

  //n=SerialPort_.getReceivedBytes(readPort);

  I:=SerialPackager_.getInteger(pkg,16,byteorder);

end arduinoread;

Can anyone help me regarding this?

swaroop.katta: 23 Posts; Thank you [ 1 ]

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