**Beeping Sound** rev_02

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    - Project: **Beeping Sound**
    - Source Code NOT compiled for: Arduino Uno
    - Source Code created on: 2024-12-26 20:32:20

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* make a high frequency beeping noise that gets */
    /* quicker and quicker and is steady high pitch when */
    /* drops to zero */
/****** SYSTEM REQUIREMENT 2 *****/
    /* fix the code */
/****** END SYSTEM REQUIREMENTS *****/

/* START CODE */

/****** DEFINITION OF LIBRARIES *****/
#include <Arduino.h> // Include Arduino library for basic functions

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void myPwm(unsigned char duty, float freq); // Function prototype for myPwm

int klik = 800; // Initialize klik variable

void setup(void)
{
    // Set pin 10 as an output
    pinMode(10, OUTPUT); // Must use D10
}

void loop(void)
{
    // Main loop to create a high frequency beeping noise
    for (int klik = 800; klik > 0; klik -= 100) // Decrease klik in steps
    {
        myPwm(127, 2500); // Set PWM to 50% duty cycle at 2500 Hz
        delay(klik); // Wait for the current klik duration
        myPwm(0, 2500); // Turn off PWM
        delay(klik); // Wait for the current klik duration
    }
    myPwm(127, 2500); // Final beep at 2500 Hz
}

void myPwm(unsigned char duty, float freq) {
    TCCR1A = 0x21; // Set Timer/Counter Control Register A
    TCCR1B = 0x14; // Set Timer/Counter Control Register B
    OCR1A = (16000000 / (freq * 8)) - 1; // Calculate OCR1A for desired frequency
    OCR1B = OCR1A * (duty / 255.0); // Calculate OCR1B for desired duty cycle
}

/* END CODE */