Re: [taste-users] [cordet2] Problems with Device Drivers for Sensor/Actu

Re: [taste-users] [cordet2] Problems with Device Drivers for Sensor/Actuators

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To: "taste-users@xxxxxxxxxxxxxxxxxxx" <taste-users@xxxxxxxxxxxxxxxxxxx>, "Francisco Ferrero Mateos" <fferrero@xxxxxxx>
Subject: Re: [taste-users] [cordet2] Problems with Device Drivers for Sensor/Actuators
From: "Maxime Perrotin" <Maxime.Perrotin@xxxxxxx>
Date: Mon, 02 Apr 2012 14:26:16 +0200
Cc: Elena Alaña Salazar <ealana@xxxxxxx>, Ana Isabel Rodríguez Rodríguez <airodriguez@xxxxxxx>, "Andreas.Jung@xxxxxxx" <Andreas.Jung@xxxxxxx>, "Marco Panunzio <panunzio@xxxxxxxxxxxxx> (panunzio@xxxxxxxxxxxxx)" <panunzio@xxxxxxxxxxxxx>

Dear Francisco,

If you update your TASTE VM, I have committed the ACN/BlackBox device example that I built:

in ~/tool-src/testSuites/Regression_AADLv2/Demo_BlackBox

You can check/edit the ACN file by typing:

$ taste-edit-acn-model

And build the system:

$ build-script.sh

It will generate a system both with the C and Ada runtimes, and containing a caller both in C and in Ada that invokes the BB Device interface.

One parameter of this interface is in ACN, the other one in uPER.

I wasn't able to reproduce the bug you reported in any of these configurations...

Best regards

Maxime

On Fri, 30 Mar 2012 15:27:58 +0200, Francisco Ferrero Mateos <fferrero@xxxxxxx> wrote:

Dear all,

We are experiencing some problems when developing device drivers for sensor/actuators.

1. When declaring unprotected interfaces with the black box function, it seems that the output parameters are not decoded by the ACN decoding function (dataview-uniq.c). The calling service always receives data initialized by 0. In our case the calling interface is implemented in Ada.
2. When using the required interface within the black box function, we have linkage problems as the reference to the extern function is undefined.

Regarding the first point, is it possible declaring provided interfaces in the black box function that output parameters? In the documentation about the exo-arm, the provided interface seems to accept only input parameters. Please, correct me if I am wrong.

Our Ocarina version is 2.0w r3731.

Kind regards,

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