Casio ClassPad 300 PLUS - Manual (Page 590)

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k Other
CloseComPort38k
Syntax: CloseComPort38k
Function: Closes the 3-pin COM port.
Example: See the GetVar38k command.
GetVar38k
Syntax: GetVar38k
Ⅺ<variable name>
Function: Receives variable names and variable contents.
Description
• The OpenComPort38k command must be executed before this command is executed.
• The CloseComPort38k command must be executed after this command is executed.
Example: To connect two ClassPad units with an SB-62 cable, and transfer the contents
of the sending unit’s variable “s” to the receiving unit’s variable “g”
Sending Unit Program
123 S s
OpenComPort38k
SendVar38k s
CloseComPort38k
Receiving Unit Program
OpenComPort38k
GetVar38k g
CloseComPort38k
Notes
• Run the receiving unit’s program first, and then run the sending unit’s
program.
• You can use any commands beside the four data communication commands
(Send38k, Receive38k, SendVar38k, or GetVar38k) between the
OpenComPort38k and CloseComPort38k commands.
12-6-45
Program Command Reference