
46
AXCESS Programming
AXB-F117 Stealth 1 Camera Controller
RS-232 commands (Cont.)
Command
Function
'TXCLR'
Clear the characters waiting in the transmit-out buffer, and
stop transmissions.
Example:
SEND_COMMAND CAM,'TXCLR'
Clears characters waiting in the transmit-out buffer, and
disables all transmissions by the device.
'XOFF'
Disable software handshaking (default).
Example:
SEND_COMMAND CAM,'XOFF'
Disables software handshaking on the device.
'XON'
Enable software handshaking.
Example:
SEND_COMMAND CAM,'HSOFF'
Enables software handshaking on the device.
RS-232 Send_Strings
The AXB-F117 has special Send_String escape sequences (Figure 46). If any of the
3-character combinations listed below are found anywhere within a Send_String
program instruction, they will be treated as a command and not the literal
characters.
RS-232 Send_Strings
Command
Function
"27,18,0"
Clear the ninth data bit to 0 for all subsequent
characters to be transmitted. Used in
conjunction with the 'B9MON' command.
27,18,1
Set the ninth bit to 1 for all subsequent
characters to be transmitted. Used in
conjunction with the 'B9MON' command.
"27,19,<time>"
Insert a delay before the next character to be
transmitted.
time = 1 - 255 in 1 millisecond increments
Figure 46
RS-232 Send_Strings