Video Test Generator User Guide
381
I2CW
I2C port Write
Class
EDID and DDC control
Description
Writes raw binary data from the DDC port (if equipped), EDID, and VESA DDC/CI
(DDC2Bi) data using the I
2
C bus.
Note: EDID-compatible receivers use EPROMs with single-byte or double-byte
addresses. The I2CW command uses different parameters depending on the EPROM type.
Command syntax
(EPROM with
single-byte
addresses)
I2CW eprom
i2c_address offset #_of_bytes data
Command syntax
(EPROM with
double-byte
addresses)
I2CW eprom1
i2c_address offset #_of_bytes data
Command syntax
(DDC/CI protocol)
I2CW ddcci
dst_address src_address length [data+checksum]
i2c_address
(hex)
i
2
c bus address (A0, A1,...)
offset
(hex)
address offset (in bytes)
#_of_bytes
(hex)
number of bytes
data
(hex)
data
command
(hex)
command
checksum
(hex)
checksum
Содержание 802BT
Страница 1: ...802BT 802R Video Test Generator User Guide ...
Страница 52: ...42 Chapter 2 Testing Video Displays ...
Страница 62: ...52 Chapter 3 Administrative Tasks ...
Страница 87: ...802BT 802R Video Test Generator User Guide 77 IMGE end an editing session IMGA MyImage save image as MyImage ...
Страница 118: ...108 Chapter 7 Using GPIB Interface ...
Страница 194: ...184 Chapter 10 Testing EDID ...
Страница 204: ...194 Chapter 11 Testing HDCP ...
Страница 213: ...Video Test Generator User Guide 203 A Command Reference Topics in this appendix Commands by name ...
Страница 214: ...204 Appendix A Command Reference Commands by name ...
Страница 303: ...Video Test Generator User Guide 293 Example 7 Turn audio off DPTG 3 DPGU Example 8 Turn audio on DPTG 7 DPGU ...
Страница 595: ...Video Test Generator User Guide 585 ...
Страница 608: ...598 Appendix A Command Reference Related commands YMDO UNPK PKUP VTOF FLSH Example YMDI YMODEM BATCH upload ...
Страница 611: ...Video Test Generator User Guide 601 ...
Страница 612: ...602 Appendix A Command Reference ...
Страница 613: ...802BT 802R Video Test Generator User Guide 603 B Image Reference Topics in this appendix Standard image descriptions ...
Страница 716: ...706 Appendix B Image Reference ...
Страница 744: ...734 Appendix C Error Messages ...