Serial Port Complete - Latest Microcontroller projects

Chapter 9
 if (!( myComPort.IsOpen )) { myComPort.Open(); } Of course it’s possible that another resource might open the port ...

Using .NET’s SerialPort Class The default is the constant SerialPort.InfiniteTimeout, which never times out. Microsoft’s documen ...

Chapter 9 When a port is transmitting, closing the port or clearing the transmit buffer can crash Windows. To prevent crashes, w ...

Using .NET’s SerialPort Class An alternate way to close a port is with a Using block. On exiting the Using block, the SerialPort ...

Chapter 9 For applications that transfer text, numeric data other than bytes, and logical values, the SerialPort class includes ...

Using .NET’s SerialPort Class Table 9-2: Applications have many choices when reading from a SerialPort object. 9:    ...

Chapter 9
 Byte[] dataToSend = new Byte[5]; dataToSend[0] = (byte)'C'; dataToSend[1] = (byte)'M'; dataToSend[2] = (byte)'D'; ...

Using .NET’s SerialPort Class
 dim portData as String If (Not (myComPort Is Nothing)) Then If (Not myComPort.IsOpen) Then myCo ...

Chapter 9 3  & The SerialPort object’s Write method can write all or a portion of a byte array to a port. This ex ...

Using .NET’s SerialPort Class
 byte[] byteBuffer = new byte[4] {0, 0, 0, 0}; Int32 count; Int32 numberOfReceivedBytes; myComP ...

Chapter 9 1 3  1 Chapter 2 introduced methods of encoding text. The SerialPort class provides a variety of methods ...

Using .NET’s SerialPort Class
 Char[] textToWrite = new Char[2]; textToWrite[0] = 'h' ; textToWrite[1] = 'i'; myComPort.Write ...

Chapter 9 This example reads up to three received Chars, stores the bytes beginning at off- set zero in a byte array, and displa ...

Using .NET’s SerialPort Class
 int charToRead; charToRead = ComPort.selectedPort.ReadChar(); Console.WriteLine((char)(charToR ...

Chapter 9 If a SerialPort object is using ASCIIEncoding and storing received data in a String or Char array, each received byte ...

Using .NET’s SerialPort Class
 Char charToSend = (char)169; myComPort.Write(System.Convert.ToString(charToSend)); But if the ...

Chapter 9 A receiving computer using ASCIIEncoding will display “?” for each received byte greater than 7Fh received: ?? Another ...

Using .NET’s SerialPort Class 6 5    6 5- The BinaryReader and BinaryWriter classes support reading and writ ...

Chapter 9
 byte dataToWrite; dataToWrite = 65; binaryWriter1.Write( dataToWrite ); The Read method can read a received byte i ...

Using .NET’s SerialPort Class The Write and Read methods can also write and read Chars and Char arrays.
 ‘ Write a Char. Dim v ...