NEC LCD Monitor, Руководство пользователя

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18. Input Name
18.1 Input Name Read
This command is used in order to read the setting of Input Name.
1) The controller requests the monitor to reply Input Name setting.
Header Message Check code Delimiter
SOH-'0'-Monitor ID-
'0'-'A'-'0'-'8'
STX-'C'-'A'-'0'-'4'-'0'-'0'-ETX BCC CR
Header
SOH (01h): Start of Header
'0' (30h): Reserved
Monitor ID: Specify the Monitor ID of which you want to change a setting.
Ex.) If Monitor ID is '1', specify 'A'.
'0' (30h): Message sender is the controller.
'A' (41h): Message type is "Command".
'0'-'8'(30h, 38h): Message length (8bytes)
Message
STX (02h): Start of Message
'C'-'A'-'0'-'4' (43h, 41h, 30h, 34h): Input Name Command
'0'-'0' (30h. 30h): Read
ETX (03h): End of Message
Check code
BCC: Block Check Code
Refer to the section 4.5
“
Check code
”
for a BCC calculation.
Delimiter
CR (0Dh): End of packet
2) The monitor replies Input Name to the controller.
Header Message Check
code
Delimiter
SOH-'0'-'0'-Monitor ID-
'B'-LN(H)-LN(L)
STX-'C'-'B'-'0'-'4'-'0'-'0'-
Data(0)-Data(1)-Data(2)- --- -Data(n)-ETX
BCC CR
Header
SOH (01h): Start of Header
'0' (30h): Reserved
'0' (30h): Message receiver is the controller.
Monitor ID: Indicate a replying Monitor ID.
Ex.) When this byte is set to
‘
A
’
, replying monitor
’
s ID is
‘
1
’
.
'B' (42h): Message type is "Command reply".
LN(H)-LN(L): Message length (byte length), from STX to ETX
Message
STX (02h): Start of Message
'C'-'B'-'0'-'4' (43h, 42h, 30h, 34h): Input Name command reply
'0'-'0' (30h, 30h): Read
Data(n) : Input name *n = Max 7
Ex.) The byte data 20h is encoded as ASCII characters '2' and '0' (32h and 30h).
ETX (03h): End of Message
Check code
BCC: Block Check Code
Refer to the section 4.5
“
Check code
”
for a BCC calculation.