Simon-Says/Firmware/Additional Experiments/SIMON_3_BUZZER/SIMON_3_BUZZER.ino

90 lines
2.4 KiB
C++

/*
Simon Experiments #3
Buzzer
Pete Lewis
Sparkfun Electronics
10/13/2010
Updated by
Prof Mike Soltys
University of Colorado
01/15/2014
This example code is in the public domain.
//////////////////////////////////////////////////
DESCRIPTION
Pressing the buttion will flash the LED for 1 second and play a tone.
Note: these buttions are SUPER sensitive (freekishly so). The simon says code usese
a delay and check process called debouncing to fix this.
//////////////////////////////////////////////////
*/
int ledPin = 3; // LEDs are on pins 3,5,10 and 13.
int buttonPin = 2; // BUTTONS are on pins 2,6,9 and 12.
int button_state; // This variable will be used to "store" the state of the button.
/// These next two definitions are setting up the buzzer pins.
/// By sending these HIGH/LOW we can create a sound from the buzzer.
int buzzer_1 = 4;
int buzzer_2 = 7;
void setup() {
pinMode(ledPin, OUTPUT);
// Note: For the way the circuit is setup, INPUT_PULLUP will result much more
// stability than INPUT
pinMode(buttonPin, INPUT_PULLUP);
pinMode(buzzer_1, OUTPUT);
pinMode(buzzer_2, OUTPUT);
digitalWrite(buzzer_1, LOW); // buzzer_1 will toggle HIGH/LOW to create the sound - see buzz() function below.
digitalWrite(buzzer_2, LOW); // buzzer_2 will toggle as well (to create more volume).
}
void loop()
{
int button_state = digitalRead(buttonPin);
if(button_state == 0){
digitalWrite(ledPin, HIGH); // set the LED on
delay(1000); // wait for a second
digitalWrite(ledPin, LOW); // set the LED off
// Call the "buzz()" funtion. See below to know what this does.
tone(buzzer_1,400,500);
delay(1000);
tone(buzzer_2,600,500);
delay(1000);
tone(buzzer_1,400,500);
delay(250);
tone(buzzer_2,600,500);
//tone(buzzer_1,500,100);
}
}
//////////////////////////////////////////////////////////////////////////////////////
void buzz(){
/// this function makes the buzzer pin move and crease a sound.
/// By writing the pin HIGH/LOW in a pattern we can create a frequency.
/// this FOR LOOP is used to repeat the pattern and let us hear the note for second.
for(int i = 0; i < 100; i++){
digitalWrite(buzzer_1, HIGH);
digitalWrite(buzzer_2, LOW);
delay(1);
digitalWrite(buzzer_1, LOW);
digitalWrite(buzzer_2, HIGH);
delay(1);
}
}