Qlink - Serial Command API for Arduino & More

A Serial command API for Arduino, Raspberry Pi, PC, and other embedded systems. Qlink allows devices to communicate via serial commands, supporting dynamic command registration, multiple parameter types, and structured responses.

📌 Features

✅ Serial API for Arduino, PC, Raspberry Pi, and more
✅ Dynamic command registration and execution
✅ Supports multiple data types: INT, FLOAT, STRING, LONG
✅ Lightweight and efficient for real-time processing
✅ Ideal for controlling Arduino via serial from PC, Python, C#, or Raspberry Pi

🚀 Installation

• way 1: Arduino libraries > find Qlink folder
• way 2:

1. Download the Qlink library
2. Copy it to your Arduino libraries folder (Documents/Arduino/libraries/)
3. Restart Arduino IDE
4. Include the library in your sketch:

   #include <Qlink.h>

🌜 Usage Example

This example registers serial commands and responds dynamically.

#include <Qlink.h>

Qlink link(Serial);  // Initialize Qlink with Serial communication

// "ECHO" Command - Repeats the input text
DEF(ECHO, STRING) {
    char* text = Args[0];
    link.response("echo >> %s", text);
}

// "SUM" Command - Adds two integers
DEF(SUM, INT, INT) {
    int a = Convert(Args[0], int);
    int b = Convert(Args[1], int);
    link.response("SUM >> %d + %d = %d", a, b, a + b);
}

void setup() {
    Serial.begin(9600);
    REG(link, ECHO);
    REG(link, SUM);
}

void loop() {
    link.loop();
}

🎟️ Example Commands & Responses

Command	Expected Response
ECHO Hello	echo >> Hello
SUM 10,5	SUM >> 10 + 5 = 15

🔌 Connecting from Other Devices

Qlink can be controlled via PC, Raspberry Pi, or any serial terminal.

📌 Python Example (PC/Raspberry Pi)

import serial

ser = serial.Serial("COM3", 9600)  # Change COM port as needed
ser.write(b"SUM 10,5\n")
print(ser.readline().decode())

📌 C# Example (Windows/Linux)

SerialPort serial = new SerialPort("COM3", 9600);
serial.Open();
serial.WriteLine("ECHO Hello");
Console.WriteLine(serial.ReadLine());

📄 License

MIT License - Free to use, modify, and distribute.

🤝 Contributing

Pull requests and feature suggestions are welcome!

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🚀 Now, Qlink makes serial communication easy for Arduino, PC, and Raspberry Pi! 🎯