
Query Status of the Digital Input
Note:
This request requires the privilege of I/O access control.
Method:
GET/POST
Syntax:
http://<
servername
>/cgi-bin/getdi.cgi?[di1][&di2][&di3][&di4]
If no parameter is specified, all the status of digital input will be returned.
Return:
HTTP/1.0 200 OK\r\n
Content-Type: image/jpeg\r\n
Content-Length:
<length>
\r\n
\r\n
[di1=
<state>
]\r\n
[di2=
<state>
]\r\n
[di3=
<state>
]\r\n
[di4=
<state>
]\r\n
where
<state>
can be H or L.
Example: Query the status of digital input 1
Request:
http://myserver/cgi-bin/getdi.cgi?di1
Response:
HTTP/1.0 200 OK\r\n
Content-Type: image/jpeg\r\n
Content-Length: 7\r\n
\r\n
di1=H\r\n
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