MATLAB Answers

how to send multiple integer values from matlab to arduino ide?

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Shlok Sharma
Shlok Sharma on 22 Jan 2020
Commented: Hugo Pontes on 5 Aug 2020 at 10:18
i have established connection between arduino ide and matlab,how can i send multiple integer values as an array of list from matlab to arduino.

Answers (1)

Charan Jadigam
Charan Jadigam on 23 Mar 2020
Hi,
To write arrays to Arduino from MATLAB open a serial connection and connect it to Arduino and then write using ‘fwrite’. For establishing serial communication,
arduino = serial('COMx');
set(arduino,'DataBits',8);
set(arduino,'StopBits',1);
set(arduino,'BaudRate',9600);
set(arduino,'Parity','none');
fopen(arduino);
and write using
data=1:9;
fwrite(Arduino,data,'uint16');

  1 Comment

Hugo Pontes
Hugo Pontes on 5 Aug 2020 at 10:18
Hi, sorry I have a question:
If one uses uint16 as the data type what is the structure of the communication? Is it startbit, 8 databits,stopbit,startbit,8 databits,stopbit? Or startbit,16 data bits, stop bit ? Im using an FPGA and my Rs232 communication works for 8 bits but not for 16 bits so I suspect that the structure is not the second one I mentioned

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