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-
- ' set_intf.bas
- ' This program does the following:
- ' 1) gets the current configuration of the serial port
- ' 2) sets it to 9600 baud, no parity, 8 data bits, and
- ' 1 stop bit
- ' 3) prints the old configuration
- Sub main ()
- Dim intf As Integer
- Dim baudrate As Long
- Dim parity As Long
- Dim databits As Long
- Dim stopbits As Long
- Dim parity_str As String
- Dim msg_str As String
-
- ' open RS-232 interface session
- intf = iopen("COM1")
- Call itimeout(intf, 10000)
-
- ' get baud rate, parity, data bits, and stop bits
- Call iserialstat(intf, I_SERIAL_BAUD, baudrate)
- Call iserialstat(intf, I_SERIAL_PARITY, parity)
- Call iserialstat(intf, I_SERIAL_WIDTH, databits)
- Call iserialstat(intf, I_SERIAL_STOP, stopbits)
-
- ' determine string to display for parity
- Select Case parity
- Case I_SERIAL_PAR_NONE
- parity_str = "NONE"
- Case I_SERIAL_PAR_ODD
- parity_str = "ODD"
- Case I_SERIAL_PAR_EVEN
- parity_str = "EVEN"
- Case I_SERIAL_PAR_MARK
- parity_str = "MARK"
- Case Else
- parity_str = "SPACE"
- End Select
-
- ' set to 9600,NONE,8, 1
- Call iserialctrl(intf, I_SERIAL_BAUD, 9600)
- Call iserialctrl(intf, I_SERIAL_PARITY, I_SERIAL_PAR_NONE)
- Call iserialctrl(intf, I_SERIAL_WIDTH, I_SERIAL_CHAR_8)
- Call iserialctrl(intf, I_SERIAL_STOP, I_SERIAL_STOP_1)
-
- ' display previous settings
- msg_str = "Old settings: " + Str$(baudrate) + "," + parity_str + "," + Str$(databits) + "," + Str$(stopbits)
- MsgBox msg_str, MB_ICON_EXCLAMATION
-
- ' close port
- Call iclose(intf)
-
- ' Tell SICL to cleanup for this task
- Call siclcleanup
-
- End Sub
-
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