Forenex FES91W Series, User Manual

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4-5 Serial port Control
4-5.1> Overview
In FES91W, there are 4 definable serial ports. Below table lists the function of each serial
port.
Name Function Comment
Debug port Internal used
Can’t open by application program.
COM2 RS232 or RS485 Option (4 wire)
COM3 RS232 or RS485 Option (2 wire)
COM4 RS232 2 wire RS232
4-5.2> Member function of class SerialPort
Microsoft Visual studio has provide Class of Serial port in website MSDN.
( Serialport Class ), user can use these class in Visual studio 2005 to control Serial port.
Serialport Property
Name Description
PortName
Gets or sets the port for communications, including but not limited to all
available COM ports.
BaudRate
Gets or sets the serial baud rate.
DataBits
Gets or sets the sFtandard length of data bits per byte.
Parity
Gets or sets the parity-checking protocol.
StopBits
Gets or sets the standard number of stop bits per byte.
●More Properties details in website MSDN.
http://msdn.microsoft.com/en-us/library/system.io.ports.serialport_properties%28v=VS.85%29.aspx
●
The source code located the folder of
“CD\FES91Wxx_xxx \FES91W-AP source code\Serialport”