taiko

#include "UsbJoystick.h"
#define PIEZOTHRESHOLD 70
#define PADNUM 4

unsigned long time[PADNUM] = {0,0,0,0};
int tempval[PADNUM] = {0,0,0,0};
unsigned long buttontime[PADNUM] = {0,0,0,0};
void setup() {
  UsbJoystick.setup();
}

void loop() {
  UsbJoystick.update();
  for(int i = 0; i < PADNUM; i++) {
    buttondelay(i);
  }
  UsbJoystick.sendMsg();
}

void buttondelay(int pad){
 if ((millis() - buttontime[pad]) > 10) {
    int val = analogRead(pad);
    if( val >= PIEZOTHRESHOLD ) {
      if(tempval[pad]==0){
        sendmsg(pad,tempval[pad]);
      }
      if (val>tempval[pad]){
      tempval[pad]=val;
      }
    }else{
      if (tempval[pad]>PIEZOTHRESHOLD){
          tempval[pad]=0;
      }
    }
 }else{
   UsbJoystick.setButton(pad);
 }
}
void sendmsg(int pad,int val){
   if ((millis() - time[pad]) > 10) {
    UsbJoystick.setButton(pad);
    time[pad] = millis();
    buttontime[pad] = millis();
  }
}