NEC X754HB, Руководство пользователя

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24. Proof of Play
24.1 Set Proof of Play Operation Mode
This command is used in order to set Operation mode of Proof of Play.
1) The controller requests the monitor to set Operation mode of Proof of Play.
Header Message Check code Delimiter
SOH-'0'-Monitor ID-
'0'-'A'-'0'-'A'
STX-'C'-'A'-'1'-'5'-'0'-'0'-MD-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'-'A' (30h, 41h) : Message length is 10 bytes.
Message
STX (02h): Start of Message
'C'-'A'-'1'-'5': Proof of Play command
'0'-'0' (30h,30h): Set Proof of Play Operation Mode command
MD : Mode of Proof of Play.
'0'-'0'(30h, 30h): Stop
'0'-'1'(30h, 31h): Start
'0'-'2'(30h, 32h): Clear Log data
ETX (03h): End of Message
Check code
BCC: Block Check Code
Refer to the section 4.3 “Check code” for a BCC calculation.
Delimiter
CR (0Dh): End of packet
2) The monitor replies the result of set Operation mode to the controller.
Header Message Check code Delimiter
SOH-'0'-Monitor ID-
'0'-'B'-'0'-'A'
STX-'C'-'B'-'1'-'5'-'0'-'0'-ST-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'-'A' (30h, 41h) : Message length is 10 bytes.
Message
STX (02h): Start of Message
'C'-'B'-'1'-'5': Proof of Play reply command
'0'-'0' (30h,30h): Set Proof of Play Operation Mode command
ST: Status
'0'-'0'(30h, 30h): No Error
'0'-'1'(30h, 31h): Error
'0'-'2'(30h, 32h): Already Start/Stop/Clear