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26 August 2019 12:53 AM

cujo Newbie

Total Posts: 21

Joined 2016-12-26

In simulant+ if you setup in a shifting display and system and then do a datapage request and request acknowledged pages it will send acknowledge pages. This is directly in conflict with the latest version of the profile published (v1.0) it says

A shifting device shall only send broadcast messages to the display, and shall never send acknowledged or burst messages.

Unlike the exception that is listed in the heart rate profile that allows for datapages that have been requested to use ack messages.

Display Side

22817281 : Tx (Ack): [46][FF][FF][FF][FF][84][52][01]
22817406 : Rx: [01][00][FF][00][FF][00][00][00]
22817406 : Transfer Tx completed
22817656 : Rx (Ack): [52][FF][FF][8C][00][00][55][93]
22817906 : Rx (Ack): [52][FF][FF][8C][00][00][55][93]
22818156 : Rx (Ack): [52][FF][FF][8C][00][00][55][93]
22818406 : Rx (Ack): [52][FF][FF][8C][00][00][55][93] 

System Side

22817406 : Rx (Ack): [46][FF][FF][FF][FF][84][52][01]
22817656 : Tx (Ack): [52][FF][FF][8C][00][00][55][93]
22817656 : Transfer Tx completed
22817906 : Tx (Ack): [52][FF][FF][8C][00][00][55][93]
22817906 : Transfer Tx completed
22818156 : Tx (Ack): [52][FF][FF][8C][00][00][55][93]
22818156 : Transfer Tx completed
22818406 : Tx (Ack): [52][FF][FF][8C][00][00][55][93]
22818406 : Transfer Tx completed 

Some clarification would be appreciated. Should the system respond with ack messages or not?

26 August 2019 10:44 AM #1

haighi Administrator

Total Posts: 370

Joined 2012-06-27

The responses should be sent as acknowledged if that is what is requested. However, you should not see requests for acknowledged messages from displays for this profile.

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Ian Haigh

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Shifting System behaviour datasheet doesn’t align with simulant

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