73 lines
1.5 KiB
Arduino
73 lines
1.5 KiB
Arduino
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/**
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* Matthias Quintern, 2025
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*
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* Simple Arduino program that listens via serial for single byte commands to control a ThorLabs LEDD1B
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* Commands:
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* - 'i': Identify - Prints "Arduino Nano CPD <version>"
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* - '0': Turn the LED off
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* - '1': Turn the LED on
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*/
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const int LEDPIN = 11;
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const int VERSION = 1;
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void setup() {
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pinMode(LED_BUILTIN, OUTPUT);
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digitalWrite(LED_BUILTIN, HIGH);
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delay(500);
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Serial.begin(9600, SERIAL_8N1); //USB-Prog. Port
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while (!Serial) {
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; // wait for serial port to connect. Needed for native USB port only
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}
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pinMode(LEDPIN, OUTPUT);
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}
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void loop() {
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digitalWrite(LED_BUILTIN, LOW);
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if (Serial.available() <= 0) {
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return;
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}
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char command = Serial.read();
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digitalWrite(LED_BUILTIN, HIGH);
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switch (command) {
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case 'i':
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identify();
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break;
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case '1':
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Serial.println("LED ON");
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led_on();
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break;
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case '0':
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Serial.println("LED OFF");
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led_off();
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break;
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case '\n':
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break;
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default:
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blink_internal_led(5);
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break;
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}
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}
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void blink_internal_led(unsigned N) {
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unsigned long duration = 100;
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for (unsigned i = 0; i < N; i++) {
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digitalWrite(LED_BUILTIN, HIGH);
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delay(duration);
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digitalWrite(LED_BUILTIN, LOW);
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delay(duration);
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}
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}
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void led_on() {
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digitalWrite(LEDPIN, HIGH);
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}
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void led_off() {
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digitalWrite(LEDPIN, LOW);
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}
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void identify() {
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Serial.print("Arduino Nano CPD ");
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Serial.print(VERSION);
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Serial.println("");
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}
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