How can I promote parameter from Serial Transmit block (Arduino) to a higher block in Simulink?

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josemag
josemag 2014-7-2
编辑： Sreeram 2014-7-31
Hi all,
I'm working with 'Simulink Support Package for Arduino Hardware', with Serial Transmit block specifically, with an Arduino Mega 2560. I want to create a higher block that contains this block and others, so I'm trying to promote its parameter 'portNumber' (determine the serial port to use in Arduino) for change it in the higher mask.
When I create that mask, I add a new parameter and use the 'Promote underlying block parameter(s) to this mask parameter' button. All is ok until I press 'Build model'. The following error appears:
"Error evaluating 'InitFcn' callback of Arduino Serial Transmit block (mask)
Caused by: Undefined function or variable 'port'."
I don't know why it doesn't work, if anyone know what is happening and could help me I would appreciate. Thanks.
  1 个评论
Kaustubha Govind
Kaustubha Govind 2014-7-10
What is the name of the corresponding mask variable that was promoted? You might need to update the value of the portNumber parameter of the Arduino Serial Transmit block to the name of the parent's mask variable.

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回答（1 个）

Sreeram
Sreeram 2014-7-31
编辑：Sreeram 2014-7-31
Hi Josemag,
I tried promoting the serial port number parameter to a mask and I could download the model to the Arduino board and the model worked just as expected .
Attached below is a snapshot .
Could you please let me know more regarding how the mask in your case looks like and may be i could help more.
Thanks,
Sreeram Mohan

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