NEC LCD Monitor, Руководство пользователя

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19.3 Auto Tile Matrix Monitors Read
This command is used in order to read the setting of H/V Monitors.
1) The controller requests the monitor to reply H/V Monitors setting.
Header Message Check code Delimiter
SOH-'0'-Monitor ID-
'0'-'A'-'0'-'8'
STX-'C'-'A'-'0'-'3'-'0'-'4'-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'-'3' (43h, 41h, 30h, 33h): Auto Tile Matrix Command
'0'-'4' (30h. 34h): Monitors 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 H/V Monitors to the controller.
Header Message Check code Delimiter
SOH-'0'-'0'-Monitor ID-
'B'-'0'-'E'
STX-'C'-'B'-'0'-'3'-'0'-'4'-
ST-HM-VM-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".
'0'-'E'(30h, 45h): Message length (14bytes)
Message
STX (02h): Start of Message
'C'-'B'-'0'-'3' (43h, 42h, 30h, 33h): Auto Tile Matrix reply
'0'-'4' (30h, 34h): Monitors Read
ST: Error Status
No Error : 00h (30h, 30h)
Error
: 01h (30h, 31h)
HM: H MONITORS
00h
–
0Ah (30h, 30h
–
30h, 41h)
VM: V MONITORS
00h
–
0Ah (30h, 30h
–
30h, 41h)
ETX (03h): End of Message
Check code
BCC: Block Check Code