learn how to code

src/keyboard.cpp

@@ -1,71 +1,89 @@
 #include "Arduino.h"
 #include "keyboard.h"
 
-Keyboard::Keyboard() {
-}
+using namespace std;
 
-void Keyboard::init() {
-  this->thresholds = {40, 0, 0, 40, 40, 40, 40, 40, 20, 20};
-  this->touchDetected = {false, false, false, false, false, false, false, false, false, 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]);
+Keyboard::Keyboard() {
 }
 
-void Keyboard::gotTouch0() {
+void gotTouch0() {
   delay(10);
   if (touchRead(T0) < threshold[0])
-    this->touchDetected[0] = true;
+    touchDetected[0] = true;
 }
-void Keyboard::gotTouch1() {
+void gotTouch1() {
   delay(10);
   if (touchRead(T1) < threshold[1])
-    this->touchDetected[1] = true;
+    touchDetected[1] = true;
 }
-void Keyboard::gotTouch2() {
+void gotTouch2() {
   delay(10);
   if (touchRead(T2) < threshold[2])
-    this->touchDetected[2] = true;
+    touchDetected[2] = true;
 }
-void Keyboard::gotTouch3() {
+void gotTouch3() {
   delay(10);
   if (touchRead(T3) < threshold[3])
-    this->touchDetected[3] = true;
+    touchDetected[3] = true;
 }
-void Keyboard::gotTouch4() {
+void gotTouch4() {
   delay(10);
   if (touchRead(T4) < threshold[4])
-    this->touchDetected[4] = true;
+    touchDetected[4] = true;
 }
-void Keyboard::gotTouch5() {
+void gotTouch5() {
   delay(10);
   if (touchRead(T5) < threshold[5])
-    this->touchDetected[5] = true;
+    touchDetected[5] = true;
 }
-void Keyboard::gotTouch6() {
+void gotTouch6() {
   delay(10);
   if (touchRead(T6) < threshold[6])
-    this->touchDetected[6] = true;
+    touchDetected[6] = true;
 }
-void Keyboard::gotTouch7() {
+void gotTouch7() {
   delay(10);
   if (touchRead(T7) < threshold[7])
-    this->touchDetected[7] = true;
+    touchDetected[7] = true;
 }
-void Keyboard::gotTouch8() {
+void gotTouch8() {
   delay(10);
   if (touchRead(T8) < threshold[8])
-    this->touchDetected[8] = true;
+    touchDetected[8] = true;
 }
-void Keyboard::gotTouch9() {
+void gotTouch9() {
   delay(10);
   if (touchRead(T9) < threshold[9])
-    this->touchDetected[9] = true;
+    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]);
+}
+

src/keyboard.h

@@ -3,23 +3,15 @@
 
 #include "Arduino.h"
 
+static bool touchDetected[10];
+static uint8_t threshold[10];
+
 class Keyboard {
   public:
     Keyboard();
     void init();
-    bool touchDetected[10];
+    bool getTouchDetected(uint8_t pad);
   private:
-    uint8_t thresholds[10];
-    void gotTouch0();
-    void gotTouch1();
-    void gotTouch2();
-    void gotTouch3();
-    void gotTouch4();
-    void gotTouch5();
-    void gotTouch6();
-    void gotTouch7();
-    void gotTouch8();
-    void gotTouch9();
 };
 
 #endif /* _KEYBOARD_H */

src/main.cpp

@@ -24,8 +24,7 @@ void loop()
 {
   bool touched = false;
   for(int i; i<=9; i++) {
-    if (keyboard.touchDetected[i] == true) {
-      keyboard.touchDetected[i] = false;
+    if (keyboard.getTouchDetected(i) == true) {
       touched = true;
     }
   }