Vivotek PZ7112 - Query Status of the Digital Input

VIVOTEK
User's Manual - 115
return
<return page> Redirect to the page <return page> after the parameter is assigned. The
<return page> can be a full URL path or relative path according to the
current path. If you omit this parameter, it will redirect to an empty page.
Example: Drive the digital output 1 to triggered state and redirect to an empty page.
http://myserver/cgi-bin/dido/setdo.cgi?do1=1
Query Status of the Digital Input
Note: This request requires Viewer privileges.
Method: GET/POST
Syntax:
http://<servername>/cgi-bin/dido/getdi.cgi?[di0][&di1][&di2][&di3]
If no parameter is specified, all of the digital input statuses will be returned.
Return:
HTTP/1.0 200 OK\r\n
Content-Type: text/plain\r\n
Content-Length: <length>\r\n
\r\n
[di0=<state>]\r\n
[di1=<state>]\r\n
[di2=<state>]\r\n
[di3=<state>]\r\n
where <state> can be 0 or 1.
Example: Query the status of digital input 1 .
Request:
http://myserver/cgi-bin/dido/getdi.cgi?di1
Response:
HTTP/1.0 200 OK\r\n
Content-Type: text/plain\r\n
Content-Length: 7\r\n
\r\n
di1=1\r\n