Querying The 5V Overcurrent State Of A Usb Peripheral; Edid Management; Querying The Emulated Edids; Querying The Validity Of A Dynamic Edid - Lightware MMX4x2 Series User Manual

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7. LW3 Programmers' Reference
7.24.5. Querying the 5V Overcurrent State of a USB Peripheral
When a connected USB peripheral needs more current via the USB A-type port than allowed (e.g. because
of a malfunction or a hardware-error), certain integrated circuits may got damaged. At this time, a special
property is changed in the LW3 tree to avoid such situations:

INFO: The limit of the overcurrent is 1A.
Command and Response
GET·/MEDIA/USB/USBSWITCH.<device_cur>
ç
pr·/MEDIA/USB/USBSWITCH.<device_cur>=<status>
æ
Parameters
Parameter Parameter description
<device_cur> The overcurrent
property of the USB
port
<status> The overcurrent state
of the USB peripheral
Example
ç GET /MEDIA/USB/USBSWITCH.Device5vOverCurrent2
æ pr /MEDIA/USB/USBSWITCH.Device5vOverCurrent2=false
Value Value description
Device5vOverCurrent1
Device5vOverCurrent2
Device5vOverCurrent3
Device5vOverCurrent4
Overcurrent is detected
true
Overcurrent is not detected
false
Applied firmware package: v1.6.0b19 | LDC software: v2.5.13b5
MMX4x2 series – User's Manual
7.25. EDID Management
7.25.1. Querying the Emulated EDIDs
Command and Response #edid
ç GET·/EDID.EdidStatus
æ pr·/EDID.EdidStatus=<source>:E1;<source>:E2; <source>:E3;<source>:E4
Parameters
Parameter Parameter description
<source> Source EDID memory place
Example
ç GET /EDID.EdidStatus
æ pr /EDID.EdidStatus=F89:E1;D1:E2;D1:E3;D1:E4
The emulated EDID memory for the input port is listed with the EDID number that is currently emulated on
the input.
7.25.2. Querying the Validity of a Dynamic EDID
Command and Response
ç GET·/EDID/D/D1.Validity
pr·/EDID/D/D1.Validity=<validity>
æ
Parameters
If the <validity> parameter is true, the EDID is valid. If the parameter is false, the EDID is invalid.
Example
ç GET /EDID/D/D1.Validity
æ pr /EDID/D/D1.Validity=true
The 'Validity' property is true, valid EDID is stored in D1 memory place.
7.25.3. Querying the Preferred Resolution of a User EDID
Command and Response
ç GET·/EDID/U/<user_edid>.PreferredResolution
pr·/EDID/U/<user_edid>.PreferredResolution=<preferred_resolution>
æ
Example
ç GET /EDID/U/U2.PreferredResolution
æ pr /EDID/U/U2.PreferredResolution=1920x1080p60.00Hz

INFO: Use the Manufacturer and MonitorName properties to query further information.
131
Values Value description
F1-F120 Factory EDIDs
U1-U14 User EDIDs
D1-D2 Dynamic EDIDs