Lexicon MC-12 用户指南

Lexicon
MC-12 Serial Communications Protocol

Printed on: 07/13/05

Product Id is Lexicon MC-12

Software type COMPLETE

Software level of RELEASED

Software Version 1.00

Protocol Version 1.01

with 1007 parameters

and 25 effects,

and the software image was built

“01/07/27

17:07”

and has an internal serial number of

1128 (0x00 00 04 68)

1.5.2 Send MC-1 IR Command Example

This example shows how to transmit the MC-1 IR command for “Volume Up”. The bytes are transmitted

from left to right and they are defined as:

Byte 0: Start of Packet(F1 hex)

Byte 1: Data Link Layer(DLL) Data Count(DC); for an IR command this would be 4 bytes to

Byte 2: The Application Layer Command, in this case it is 14 hex indicating this is an IR

command packet.

Byte 3: The Application Layer Data Count(DC); for this packet it is 1 data byte to follow.

Byte 4: The Application Command Data: This IR Command Packet is transmitting Key Code

“Volume Up”(17 hex). To transmit other IR Key Codes the user would replace this byte
with other IR key codes as found in

Byte 5: End of Packet (F2 hex)

SOP DLL

DC CMD AppDC

DATA0

EOP

IR Key

Code

F1 04 14 01 17 F2

68 of 106