NEC LCD Monitor, Руководство пользователя

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24. Proof of Play
24.1 Start Proof of Play
This command is used in order to read Proof of Play log data.
1) The controller requests the monitor to start Proof of Play.
Header Message Check code Delimiter
SOH-'0'-Monitor ID-
'0'-'A'-'0'-'8'
STX-'C'-'A'-'0'-'6'-'0'-'0'-ETX BCC CR
Header
SOH (01h) : Start of Header
'0' (30h) : Reserved
Monitor ID : Specify the Monitor ID from which you want to get status.
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 is 8 bytes.
Message
STX (02h): Start of Message
'C'-'A'-'0'-'6': Proof of Play command
'0'-'0' (30h,30h): Start Proof of Play command
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 the result of Start to the controller.
Header Message Check code Delimiter
SOH-'0'-Monitor ID-
'0'-'B'-'2'-'2'
STX-'C'-'B'-'0'-'6'-'0'-'0'-Data(0)-
Data(1)-Data(2) --- Data(12) -ETX
BCC CR
Header
SOH (01h) : Start of Header
'0' (30h) : Reserved
Monitor ID : Specify the Monitor ID from which you want to get status.
Ex.) If Monitor ID is '1', specify 'A'.
'0' (30h) : Message sender is the controller.
'A' (41h) : Message Type is "Command".
'2'-'2' (32h, 32h) : Message length is 34 bytes.
Message
STX (02h): Start of Message
'C'-'B'-'0'-'6': Proof of Play reply command
'0'-'0' (30h,30h): Start Proof of Play command
Data(0)-Data(12): Log Data of Proof of Play of STOP (26byte) : Same as
“
Get Proof of Play
Current
”
Refer to
“
Get Proof of Play Current
”
ETX (03h): End of Message
Check code
BCC: Block Check Code