Arduino Encoder block drift issue with Arduino due

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Osama Ahmad 2024-2-21

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链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2084938-arduino-encoder-block-drift-issue-with-arduino-due

I am trying to get encoder values using the rotary Encoder block. The encoder is reading the ticks generated by a pendulum.It is working perfectly fine for Arduino Uno but for a Due board, it shows a drift in the aquired sensor value over time. the difference between the two results can be seen in the attached screenshots.

Uno:

Due:

Everything works fine if I use the Arduino IDE and the encoder library (therefore the Arduino Due hardware is working fine).

I am running the model in external mode with Arduino as target. Fixed time step of 0.001and solver selection is auto, no clash with pin map as i am using pin 2 and 3 for the signals A and B respectively.The simulation target and code generation languages are C. Using Matlab 2021b.

Is it a bug or am i doing soemthing wrong here?