Carrol Touch Modular Flat Panel Specifications Page 159

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Appendix B - Smart-Frame Protocol II Function Reference CARROLL TOUCH
B-10 Touch System Programmer’s Guide
GetProtocolVersion (65H)
Command Description
The GetProtocolVersion (65H) command instructs the touch system to
return the version number of the interface protocol that the touch
system firmware uses to communicate with the host.
Note that this is not the same as the GetFirmwareVersion (34H) SFP
command, which instructs the touch system to return the Firmware
Version Report containing the version number of the firmware that
implements the interface protocol.
Command Format
65
Report Description
The Protocol Version Report returns the version number of the
firmware protocol in an xx.yz format using Binary Coded Decimal
(BCD) encoding.
This report is also sent in response to the SwitchToSFP-II (65H) SFP
command if a touch system that supports SFP-II receives that command
while it is in SFP mode. This mechanism can used by an application to
determine if the touch system supports SFP-II.
Report Format
65 ProtocolVersionHi ProtocolVersionLo
ProtocolVersionHi
= Two-digit major version number encoded in BCD with
the most significant BCD digit in the most significant
nibble.
ProtocolVersionLo
= Two-digit minor version number encoded in BCD with
the most significant BCD digit in the most significant
nibble.
Example
To obtain the protocol version, the host sends the GetProtocolVersion
command as follows:
66 01 65 FF
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