I need help converting this code from Arduino to Matlab
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const int MOTION_PIN = 2; // Pin connected to motion detector const int LED_PIN = 13; // LED pin - active-high
void setup() { Serial.begin(9600); // The PIR sensor's output signal is an open-collector, // so a pull-up resistor is required: pinMode(MOTION_PIN, INPUT_PULLUP); pinMode(LED_PIN, OUTPUT); }
void loop() { int proximity = digitalRead(MOTION_PIN); if (proximity == LOW) // If the sensor's output goes low, motion is detected { digitalWrite(LED_PIN, HIGH); Serial.println("Motion detected!"); } else { digitalWrite(LED_PIN, LOW); } }
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Yukthi S
2024년 7월 17일
편집: Yukthi S
2024년 7월 18일
Hello Kara,
To convert the given Arduino C/C++ code into MATLAB code, follow the steps mentioned below:
Step-1: Open MATLAB, go to Home tab, click on Add-ons and install the MATLAB Support Package for Arduino Hardware.
Step-2: Establish the connection between MATLAB and Arduino hardware board using “arduino” object.
Step-3: Define the pins and configure them as inputs and outputs using “configurePin”.
Step-4: Replace “digitalRead” with “readDigitalPin” and “digitalWrite” with “writeDigitalPin” in the Arduino C/C++ code.
Syntax format and more information is given in the documentation below:
readDigitalPin: https://www.mathworks.com/help/matlab/supportpkg/arduinoio.readdigitalpin.html#:~:text=readDigitalPin(a%2Cpin)-,Description,-example
writeDigitalPin:
Here is the rough conversion of Arduino C/C++ code to MATLAB code to get started:
% Create an Arduino object
a = arduino('port_name', 'board_name');
% Define pins
motionPin = 'D2'; % Pin connected to motion detector
ledPin = 'D13'; %LED pin - active-high
% Configure pins
configurePin(a, motionPin, 'DigitalInput');
configurePin(a, ledPin, 'DigitalOutput');
% Main loop
while true
% Read the motion sensor
proximity = readDigitalPin(a, motionPin);
if proximity == 0 %If the sensor's output goes low, motion is detected
writeDigitalPin(a, ledPin, 1); % Turn on the LED
disp('Motion detected!');
else
writeDigitalPin(a, ledPin, 0); % Turn off the LED
end
end
Hope you find this helpful!
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