Appendix O: Pseudocode for the Windows Test Program

Main Program

Initialize Window

Initialize RS-232 port from INI file settings

Start two-second TIMER

DO

IF (TIMER equals 2 seconds)

Signal microprocessor to send data

Read data from RS-232 port

IF (valid data)

Draw steps taken on the screen

IF (recording data)

Save data to file

ENDIF

ENDIF

Reset timer

ENDIF

IF (key pressed)

Get key pressed from keyboard

IF (key pressed equals R)

Start recording data

ENDIF

IF (key pressed equals S)

Stop recording data

ENDIF

IF (key pressed equals L)

Load prerecorded data

ENDIF

IF (key pressed equals C)

Clear screen and data

ENDIF

ENDIF

WHILE (key does not equal Q)

Close RS-232 port

Close Window

EXIT