soundboard/src/keyboard.cpp

#include "Arduino.h"
#include "keyboard.h"

using namespace std;

Keyboard::Keyboard() {
}

void gotTouch0() {
  delay(10);
  if (touchRead(T0) < threshold[0])
    touchDetected[0] = true;
}
void gotTouch1() {
  delay(10);
  if (touchRead(T1) < threshold[1])
    touchDetected[1] = true;
}
void gotTouch2() {
  delay(10);
  if (touchRead(T2) < threshold[2])
    touchDetected[2] = true;
}
void gotTouch3() {
  delay(10);
  if (touchRead(T3) < threshold[3])
    touchDetected[3] = true;
}
void gotTouch4() {
  delay(10);
  if (touchRead(T4) < threshold[4])
    touchDetected[4] = true;
}
void gotTouch5() {
  delay(10);
  if (touchRead(T5) < threshold[5])
    touchDetected[5] = true;
}
void gotTouch6() {
  delay(10);
  if (touchRead(T6) < threshold[6])
    touchDetected[6] = true;
}
void gotTouch7() {
  delay(10);
  if (touchRead(T7) < threshold[7])
    touchDetected[7] = true;
}
void gotTouch8() {
  delay(10);
  if (touchRead(T8) < threshold[8])
    touchDetected[8] = true;
}
void gotTouch9() {
  delay(10);
  if (touchRead(T9) < threshold[9])
    touchDetected[9] = true;
}

bool Keyboard::getTouchDetected(uint8_t pad) {
  bool res = touchDetected[pad];
  touchDetected[pad] = false;
  return res;
}

void Keyboard::init() {
  threshold[0] = 40;
  threshold[1] = 0;
  threshold[2] = 0;
  threshold[3] = 40;
  threshold[4] = 40;
  threshold[5] = 40;
  threshold[6] = 40;
  threshold[7] = 40;
  threshold[8] = 20;
  threshold[9] = 20;
  for (int i=0; i<=9; i++) touchDetected[i] = false;
  touchAttachInterrupt(T0, gotTouch0, threshold[0]);
//  touchAttachInterrupt(T1, gotTouch1, threshold[1]); // GPIO_00 not usable on dev board
//  touchAttachInterrupt(T2, gotTouch2, threshold[2]); // GPIO_02 not usable on dev board
  touchAttachInterrupt(T3, gotTouch3, threshold[3]);
  touchAttachInterrupt(T4, gotTouch4, threshold[4]);
  touchAttachInterrupt(T5, gotTouch5, threshold[5]);
  touchAttachInterrupt(T6, gotTouch6, threshold[6]);
  touchAttachInterrupt(T7, gotTouch7, threshold[7]);
  touchAttachInterrupt(T8, gotTouch8, threshold[8]);
  touchAttachInterrupt(T9, gotTouch9, threshold[9]);
}