Ultrasonic Levitation | Acoustic Levitation Experiment

1//made by milespeterson101
2//published on 6/17/2022
3//heres the  code (:
4
5byte TP = 0b10101010; // Every other port receives the inverted signal
6void  setup() {
7  DDRC = 0b11111111; // Set all analog ports to be outputs
8  
9  // Initialize Timer1
10  noInterrupts(); // Disable interrupts
11  
12  TCCR1A  = 0;
13  TCCR1B = 0;
14  TCNT1 = 0;
15  OCR1A = 200; // Set compare register  (16MHz / 200 = 80kHz square wave -> 40kHz full wave)
16  
17  TCCR1B |= (1 <<  WGM12); // CTC mode
18  TCCR1B |= (1 << CS10); // Set prescaler to 1 ==> no prescaling
19  TIMSK1 |= (1 << OCIE1A); // Enable compare timer interrupt
20  
21  interrupts();  // Enable interrupts
22}
23ISR(TIMER1_COMPA_vect) {
24  PORTC = TP; // Send the  value of TP to the outputs
25  TP = ~TP; // Invert TP for the next run
26}
27void  loop() {
28  // Code ends here (:
29}

1//made by milespeterson101
2//published on 6/17/2022
3//heres the
4  code (:
5
6byte TP = 0b10101010; // Every other port receives the inverted signal
7void
8  setup() {
9  DDRC = 0b11111111; // Set all analog ports to be outputs
10  
11
12  // Initialize Timer1
13  noInterrupts(); // Disable interrupts
14  
15  TCCR1A
16  = 0;
17  TCCR1B = 0;
18  TCNT1 = 0;
19  OCR1A = 200; // Set compare register
20  (16MHz / 200 = 80kHz square wave -> 40kHz full wave)
21  
22  TCCR1B |= (1 <<
23  WGM12); // CTC mode
24  TCCR1B |= (1 << CS10); // Set prescaler to 1 ==> no prescaling
25
26  TIMSK1 |= (1 << OCIE1A); // Enable compare timer interrupt
27  
28  interrupts();
29  // Enable interrupts
30}
31ISR(TIMER1_COMPA_vect) {
32  PORTC = TP; // Send the
33  value of TP to the outputs
34  TP = ~TP; // Invert TP for the next run
35}
36void
37  loop() {
38  // Code ends here (:
39}