The scope doesn't work with Real-Time Windows Target.

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Valmir Sadiku 2013-5-28

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https://ww2.mathworks.cn/matlabcentral/answers/77213-the-scope-doesn-t-work-with-real-time-windows-target

Hi,

I am using the 'Stream Input'-Block from the 'Real-Time Windows Target'-Toolbox to read data from the usb com-port. Everything compiles without any error message, but i can't see anything on the scope? If i try it with the 'Serial Receive'-Block it works fine, but i want to use the Real-Time related blocks. Can anybody tell me what can cause an error, regarding the 'Real-Time Windows Target' and Scope or 'Stream Input'-Block ?

Thanks&Regards V.S

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Jan Houska 2013-5-31

Likely, this is not the Scope not working but rather a failure to receive the data. Are you sure you have the format string entered correctly? And the baud rate, parity, etc.?

What if you, just for the purpose of testing, replace the Stream Input block by e.g. a Sine Wave? Does the Scope show the sine wave?

Valmir Sadiku 2013-6-3

编辑：Valmir Sadiku 2013-6-3

I don't know why but after i changed the Stream Input- with the Packet Input-Block everything works fine. If i use sin wave as an Input for the scope they shows as expected the sine curve.

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