Serial and external mode Arduino

Question

Matthieu GATINE 2018-12-4

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https://ww2.mathworks.cn/matlabcentral/answers/433800-serial-and-external-mode-arduino

评论： Hak YAL 2021-10-10

Hi,

I have deployed a simulink subsystem to my Arduino UNO and I have change the S-function block to a serial transmit arduino block and a serial receiving arduino block.

I'm trying to run my model on external mode but I have this error message : "Both Serial Receive block and External mode use Pin number 0"

How can I use external mode and serial port at the same time ?

Thank you.

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Answer 1

Hamidreza Hoshyarmanesh 2019-3-22

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Hi Matthieu,

You need to change the port number on your serial transmit block to 1 or 2 (depending on the type of Arduino you were using). The port 0 is assigned to programming Arduino as a slave device for Simulink not as a host for other slaves which are connected to Arduino serial ports.

Regards,

Hamidreza