882 Video Test Instrument User Guide (Rev A.35) 591
XGDP
Generic Data Packet Data
Class Data Island Packet
Description Writes a generic data packet for sourcing highly-customized arbitrary data.
Command syntax
(individual
parameter)
XGDP:gdpparameter value
Command syntax
(complete packet)
XGDP data
data (ASCII)
hexidecimal payload data in the form of ASCII characters (“0” through “F”)—each
representing one 4-bit nibble of data (if less than 60 ASCII characters, which is less
than 30 bytes of data, are specified, then the remaining bytes are set to zero)
The following are data island packet parameters (gdpparameter) as specified in HDMI
specification, Section 5.3.
hb0
Packet type (see HDMI specification, Section 5.3.1 through 5.3.6 for settings)
hb1
Packet-specific data (see HDMI specification, Section 5.3.1 through 5.3.6 for settings)
hb2
Packet-specific data (see HDMI specification, Section 5.3.1 through 5.3.6 for settings)
pb0 – pb27
InfoFrame packet data (see HDMI specification, Section 5.3.5 for settings)
Example
XGDP 03AABBCC
DPGU
You will have to gate on the general data packet with DPTG and DPGU
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