General purpose control commands, Set line terminator command, Echo back text command – Maple Systems STEPware-100 User Manual
Page 62: Sound bell command, Display message command, Clear output buffer command
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Set Line Terminator Command
ESC
T lineterminator terminator
line terminator: 0 =
ETX
, 1 =
CR
, 2 =
LF
, 3 =
CR/LF
Response: none
Description: Allows the host controller to change the line terminator.
Example: PRINT CHR(27); “T1”; CHR(2)
General Purpose Control Commands
Echo Back Text Command
ESC
e text terminator
Response: text terminator
Description: Causes the OIT to echo back the ASCII characters sent (up to 40
characters). Each character is stored by the OIT until the terminator is received,
at which time the entire string is sent back to the host controller.
Example: PRINT CHR(27); “eHello!”; CHR(2)
Sound Bell Command
ESC
g seconds terminator
seconds:
0 = turn bell off, 1 to 60 = sound bell for n seconds
Response: none
Description: Allows the host controller to sound the OIT’s transducer.
Example: PRINT CHR(27); “g3”; CHR(2)
Display Message Command
ESC
m message# terminator
message#:
0 = clear screen and return cursor to first position of first line
1 to 500 = predefined message to display
Response: none
Description: Displays a predefined text string starting at the current cursor position.
If the text string is longer than the remaining line, only the first part of the string is
displayed. The text string is displayed until the OIT operator presses the Clear key
or the host controller calls message #0 to clear the screen.
Example: PRINT CHR(27); “m2”; CHR(2)
Clear Output Buffer Command
ESC
o terminator
Response: none
Description: Clears the contents of the OIT’s Keyboard Input Buffer and Keyboard
Output Buffer when the OIT is in Block or Network modes.
Example: PRINT CHR(27); “o”; CHR(2)
Appendix A: Control Commands
A-5
1010-0096, Rev. 04