Quantum Data 802BT, Руководство пользователя

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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