Motion Melody rev_119

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    - Project: Motion Melody
    - Source Code compiled for: Arduino Uno
    - Source Code created on: 2025-08-14 23:51:20

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* if vibrationSignal == 1, so transform activateSong */
    /* in output and activate it LOW for 500ms and then */
    /* retransform activateSong in digital input with */
    /* pull up again. Then move servo to 180°, maintain */
    /* it for 30 seconds and then go back again to 0°. */
/****** END SYSTEM REQUIREMENTS *****/




/* START CODE */

/****** DEFINITION OF LIBRARIES *****/
#include <Servo.h>  //https://github.com/arduino-libraries/Servo

// Create Servo object
Servo myservo;

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t vibrationSignal_PIN_D2        = 2;
const uint8_t activateSong_PIN_D4       = 4;

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t myActiveBuzzer_ActiveBuzzer_output_PIN_D5     = 5;

/***** DEFINITION OF PWM OUTPUT PINS *****/
const uint8_t myServo_Servomotor_PWMSignal_PIN_D3       = 3;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/

void setup(void)
{
    // put your setup code here, to run once:

    pinMode(vibrationSignal_PIN_D2, INPUT);
    pinMode(activateSong_PIN_D4,    INPUT_PULLUP);

    pinMode(myActiveBuzzer_ActiveBuzzer_output_PIN_D5,   OUTPUT);
    // Attach servo to PWM pin
    myservo.attach(myServo_Servomotor_PWMSignal_PIN_D3);

}


void loop(void)
{
    // put your main code here, to run repeatedly:

    if (digitalRead(vibrationSignal_PIN_D2) == HIGH)
    {
        // Activate song by temporarily driving activation pin to LOW for 500ms
        // Step 1: switch activation pin to OUTPUT and drive LOW
        pinMode(activateSong_PIN_D4, OUTPUT);
        digitalWrite(activateSong_PIN_D4, LOW);
        delay(500);
        // Step 2: revert to input with pull-up
        pinMode(activateSong_PIN_D4, INPUT_PULLUP);

        // Move servo to 180° and hold for 30 seconds
        myservo.write(180);
        delay(30000);

        // Return servo to 0°
        myservo.write(0);
        // Small pause to avoid retriggering immediately
        delay(100);
    }

    // Small delay to avoid saturation
    delay(10);
}

/* END CODE */