Add configuration parameters to Bus Terminal definition (low-cut) #221
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bmenne-dspace
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msuevern
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Dec 10, 2024
msuevern
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Dec 17, 2024
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FMI-Design Meeting: |
klausschuch
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Dec 18, 2024
klausschuch
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Dec 19, 2024
klausschuch
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Dec 19, 2024
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klausschuch
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Dec 19, 2024
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| This structural parameter is mandatory for Network FMUs only. | ||
| A Bus Simulation (FMU) does not require this structural parameter. | ||
| A Bus Simulation FMU might indicate via a variable with memberName=<<low-cut-can-bus-notification-parameter, `BusNotifications`>> in the CAN Bus Terminals whether it sends bus notifications or not. |
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@bmenne-dspace should we make this mandatory, by changing the might to shall?
I think it wouldn't be a big burden for Bus Simulation FMU exporters to always expose such a variable.
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I think optional is fine, because if its missing then its automatically "false". BTW: I think we should add the "to participate in an importer parameter propagation feature." sentence again
bmenne-dspace
commented
Dec 19, 2024
| @@ -612,21 +611,19 @@ If a Network FMU does not support wake up, this operation can be ignored on the | |||
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| ===== Network Parameters [[low-cut-can-network-parameters]] | |||
| By using configuration parameters on Bus Terminal level, Network FMUs can be parameterized by the user or the Bus Simulation (by using e.g. the parameter propagation mechanism). | |||
| This chapter specifies the configuration parameters that each CAN-specific Network FMU shall provide. | |||
| This chapter defines parameters that Network FMU might provide to configure CAN-specific behavior. | |||
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Here we should mention that its is the config terminal within a bus terminal context
bmenne-dspace
commented
Dec 19, 2024
| If the Network FMU shall be configured to handle responses in the form of <<low-cut-can-confirm-operation, `Confirm-`>>, <<low-cut-can-bus-error-operation, `Bus Error-`>> and <<low-cut-can-arbitration-lost-operation, `Arbitration Lost`>> operations, the <<low-cut-can-bus-notification-parameter, `BusNotifications`>> configuration parameter shall be set to `true`. | ||
| A Network FMU must always be able to handle the case that the Bus Simulation does not provide <<low-cut-can-confirm-operation, `Confirm-`>>, <<low-cut-can-bus-error-operation, `Bus Error-`>> or <<low-cut-can-arbitration-lost-operation, `Arbitration Lost`>> operations. | ||
| Since a Bus Simulation is allowed to provide bus notification regardless of the <<low-cut-can-bus-notification-parameter, `BusNotifications`>> configuration parameter, Network FMUs must silently ignore such notifications if the value of <<low-cut-can-bus-notification-parameter, `BusNotifications`>> is set to `false` or the parameter is omitted. + | ||
| Therefore, a parameter with memberName=<<low-cut-can-bus-notification-parameter, `BusNotifications`>> can be added to a CAN Bus Terminal. + |
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To the "sub" config terminal .... thats why I called it "configuration parameter"
bmenne-dspace
commented
Dec 19, 2024
| If a Network FMU supports bus notifications, the <<low-cut-can-bus-notification-parameter, `BusNotifications`>> parameter shall be exposed. | ||
| The default value of this parameter shall be `false`. + | ||
| _[The default value `false` allows a simple integration of Network FMUs to simulation scenarios where <<low-cut-can-confirm-operation, `Confirm-`>>, <<low-cut-can-bus-error-operation, `Bus Error-`>> or <<low-cut-can-arbitration-lost-operation, `Arbitration Lost`>> operations are not used.]_ | ||
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"A Network FMU must always be able to handle the case that the Bus Simulation does not provide <<low-cut-can-confirm-operation, Confirm->>, <<low-cut-can-bus-error-operation, Bus Error->> or <<low-cut-can-arbitration-lost-operation, Arbitration Lost>> operations." missing
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