SerialPort property

Where's the SerialPort property? It doesn't appear to be part of the TransportPropertyGroup class.

[106 byte] By [DWimmers] at [2008-2-19]

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# 1

It has been replaced by the ConnectionInformation in current DSPI.

Unfortunately, this doesn't take into consideration a case when a device can have both network and serial connections at the same time :-(.

I, personally, would like to have both. Even though having two channels is a bit complicated, we could use the secondary (serial) connection, for example, to report loosing network connectivity.

Hope this helps,

ValyaS at 2007-10-2 >

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# 2

I don't understand your answer.

Properties like BaudRate, IPAddress, and CommandPort are properties contained in the TransportPropertyGroup class. So why isn't SerialPort in the same class?

DWimmers at 2007-10-2 >

# 3

Hopefully MS will respond with an answer :-)...

ValyaS at 2007-10-2 >

# 4

you can access serialport through PortName field of SerialTransportSettings object.

Below are all fileds of serialtransportsettings:

Name Description

BaudRate Gets the serial baud rate.

DataBits Gets the data bits per byte.

Handshake Gets the handshaking protocol for the serial port transmission of data.

Parity Gets the parity.

PortName Gets the serial port name.

StopBits Gets the stop bits per byte.

VendorSpecificData Gets or sets the vendor-specific data.(inherited from TransportSettings)

	Name	Description
	BaudRate	Gets the serial baud rate.
	DataBits	Gets the data bits per byte.
	Handshake	Gets the handshaking protocol for the serial port transmission of data.
	Parity	Gets the parity.
	PortName	Gets the serial port name.
	StopBits	Gets the stop bits per byte.
	VendorSpecificData	Gets or sets the vendor-specific data.(inherited from TransportSettings)

BholaMeena[MSFT] at 2007-10-2 >

# 5

I think this is because BaudeRate, IPAddress, CommandPort etc. can be persistent on reader and the Serial Port can NOT.

You can connect/reconnect reader on one serial port or another and there is no way the reader will be aware of which specific COM port number you use on the HOST machine.

Hope this helps,

ValyaS at 2007-10-2 >

# 6

Valentina,

I was thinking the same thing, and I believe your 2nd answer makes the most sense. All the other properties affect something on the device, while the Serial port does not involve any configuration changes on the device. It used to be part of the properties, and was probably removed for that reason.

DWimmers at 2007-10-2 >

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