Change and save parameter / variable for next startup on an arduino target using simulink

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Denis Becker
Denis Becker 2020-4-20
回答： Arun Kumar 2020-4-29
Hi guys!
I have an Arduino Mega and want to deploy my Simulink Model on this target so the Model can run on its own without a PC, Matlab etc. In my Model i want to able to change the some settings and save theses changes permanently. The thing is i dont want to save this settings just for the actual runtime but for the next start after the Arduino is shutdown / restarted. What i want to achieve is just to save some values for my model for the next startup, like in a settings menu.
If i am correct i need to change the variables / parameters in the Model workspace. A already tried using the Data Store blocks but, as expected i am loosing the values for the next Start of the Arduino. I also tried to use "Simulink.Paramter" to change the Variables in the Workspace but i did something wrong resulting in:
The 'Simulink.Parameter' class does not support code generation
So my question is: Is it possible to change and save values in my model for the next start of the arduino? And if so how?
Thanks in advance!
Denis

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回答（1 个）

Arun Kumar
Arun Kumar 2020-4-29
Hi Denis,
What I understood from your question is that you want to store some data during runtime and read that data during the next/subsequent runs. On mega, this can be achieved by using the onboard EEPROM:
https://www.arduino.cc/en/Reference/EEPROM
There's no block for EEPROM read/write in the support package, but you can create your own block by following this simple guide:
https://in.mathworks.com/help/supportpkg/arduino/device-driver-blocks.html
Hope this helps!
Arun

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