How to recieve data serially from my arduino to raspberry pi via matlab?
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shivam sahil
le 25 Déc 2018
Commenté : shivam sahil
le 4 Jan 2019
here is my code.
After complete configuration:
mypi=raspi();
myserialdevice = serialdev(mypi,'/dev/ttyAMA0',9600);
output = read(myserialdevice,100,'uint16')
output =
0×0 empty uint16 matrix
Even though I can see 10 recieved in my serial monitor of Arduino IDE. Also is there any way to make sure whether the connected port of arduino is correct or not? Because while trying at the first place also and creating myserialdevice, I got no error without even connecting my arduino to my pi.
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Jayaram Theegala
le 3 Jan 2019
Can you make sure that the Tx and Rx GPIO pins of Raspberry Pi and Arduino are connected correctly. Also, Raspberry Pi hardware uses +3.3 V as HIGH voltage for serial communcation,so don't directly connect to devices that use higher voltages.
To answer your second question, an error won't be thrown because even when you don't have Arduino connected, this state is same as the state when Arduino is indeed connected but not sending any data.
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