release/instruments2/instruments2.ino

   1 const int NUMBER_OF_MARACAS = 2;
   2 const int MARACAS_PINS[] = {6, 7};
   3 const int MARACAS_DELAY = 5000;
   4
   5 const int NUMBER_OF_DRUMS= 4;
   6 const int DRUM_PINS[] = {8, 9, 10, 11};
   7 const int DRUM_DELAY = 2500;
   8
   9 int maracas_states[] = {-1,-1};
  10 int maracas_delays[] = {0, 0};
  11
  12 int drum_delays[] = {0, 0, 0, 0};
  13
  14 void setup() {
  15   for (int i = 0; i < NUMBER_OF_MARACAS; i++) {
  16     pinMode(MARACAS_PINS[i], INPUT);
  17   }
  18   for (int i = 0; i < NUMBER_OF_DRUMS; i++) {
  19     pinMode(DRUM_PINS[i], INPUT);
  20   }
  21   Serial.begin(9600);
  22 }
  23
  24 void loop() {
  25   maracas();
  26   drums();
  27   update_delays();
  28 }
  29
  30
  31 void maracas() {
  32   for (int i = 0; i < NUMBER_OF_MARACAS; i++) {
  33     int newState = digitalRead(MARACAS_PINS[i]);
  34     if (newState != maracas_states[i] && maracas_delays[i] < 1) {
  35       Serial.print("maracas,");
  36       Serial.print(i);
  37       Serial.println();
  38       maracas_states[i] = newState;
  39       maracas_delays[i] = MARACAS_DELAY;
  40     }
  41   }
  42 }
  43
  44 void drums() {
  45   for (int i = 0; i < NUMBER_OF_DRUMS; i++) {
  46     if (digitalRead(DRUM_PINS[i]) == HIGH && drum_delays[i] < 1) {
  47       Serial.print("drum,");
  48       Serial.print(i);
  49       Serial.println();
  50       drum_delays[i] = DRUM_DELAY;
  51     }
  52   }
  53 }
  54
  55 void update_delays() {
  56   for (int i = 0; i < NUMBER_OF_MARACAS; i++) {
  57     if (maracas_delays[i] > 0) {
  58       maracas_delays[i] -= 1;
  59     }
  60   }
  61   for (int i = 0; i < NUMBER_OF_DRUMS; i++) {
  62     if (drum_delays[i] > 0) {
  63       drum_delays[i] -= 1;
  64     }
  65   }
  66 }