###
//#define DEBUG true
class CapaSensor {
private:
int vCtrlPin;
int vSensingPin;
int vTryNumber;
int vThreshold;
public:
CapaSensor(int aCtrlPin, int aSensingPin, int aTryNumber) {
pinMode(aCtrlPin, OUTPUT);
pinMode(aSensingPin, INPUT);
vCtrlPin = aCtrlPin;
vSensingPin = aSensingPin;
vTryNumber = aTryNumber;
vThreshold = (int)(read() * 1.2);
#if DEBUG
Serial.print("CapaSensor[");
Serial.print(vCtrlPin);
Serial.print("-");
Serial.print(vSensingPin);
Serial.print("x");
Serial.print(aTryNumber);
Serial.print(">");
Serial.println(vThreshold);
#endif
}
int read() {
int ret = 0;
for(int i = 0; i < vTryNumber; i++) {
int cnt = 0;
digitalWrite(vCtrlPin, HIGH);
while(digitalRead(vSensingPin) < HIGH) {
cnt++;
}
if (ret < cnt) ret = cnt;
digitalWrite(vCtrlPin, LOW);
delay(5);
}
return ret;
}
int touched() {
int ret = 0;
for(int i = 0; i < vTryNumber; i++) {
int cnt = 0;
digitalWrite(vCtrlPin, HIGH);
while(digitalRead(vSensingPin) < HIGH) {
cnt++;
if (cnt > vThreshold) {
return true;
#if DEBUG
Serial.print("@-");
Serial.print(vThreshold);
Serial.print(" <? ");
Serial.println(cnt);
#endif
}
}
if (ret < cnt) ret = cnt;
digitalWrite(vCtrlPin, LOW);
delay(5);
}
#if DEBUG
Serial.print(ret > vThreshold ? "@ " : " ");
Serial.print(vThreshold);
Serial.print(" <? ");
Serial.println(ret);
#endif
return ret > vThreshold;
}
};
int oLed = 13;
CapaSensor* capa;
void setup() {
Serial.begin(9600);
Serial.print("Setup");
analogWrite(oLed, 0);
capa = new CapaSensor(8,9,10);
}
void loop() {
analogWrite(oLed, capa->touched()?128:0);
delay(100);
}
###
###
#ifndef CapaSensorHpp
#define CapaSensorHpp
#include "Arduino.h"
class CapaSensor {
private:
int mDebug = false;
public:
CapaSensor(int aCtrlPin, int aDataPin, int aTryNumber) {
pinMode(aCtrlPin, OUTPUT);
pinMode(aDataPin, INPUT);
mCtrlPin = aCtrlPin;
mDataPin = aDataPin;
mTryNumber = aTryNumber;
mThreshold = (int)(read() * 1.2);
if (mDebug) {
Serial.print("CapaSensor[");
Serial.print(mCtrlPin);
Serial.print(",");
Serial.print(mDataPin);
Serial.print("]x");
Serial.print(mTryNumber);
Serial.print(">");
Serial.print(mThreshold);
Serial.println("x");
}
}
int read() {
int ret = 0;
fReset();
for (int i = 0; i < mTryNumber; i ++) {
digitalWrite(mCtrlPin, HIGH);
for (int cnt = 0; digitalRead(mDataPin) < HIGH; cnt++) {
if (ret < cnt) ret = cnt;
}
fReset();
}
return ret;
}
bool touched() {
fReset();
for (int i = 0; i < mTryNumber; i ++) {
digitalWrite(mCtrlPin, HIGH);
for (int cnt = 0; digitalRead(mDataPin) < HIGH; cnt++) {
if (cnt > mThreshold) {
if (mDebug) {
Serial.print(" Capa = ");
Serial.print(cnt);
Serial.print(" >= ");
Serial.println(mThreshold);
}
return true;
}
}
fReset();
}
return false;
}
private:
int mCtrlPin;
int mDataPin;
int mTryNumber;
int mThreshold;
void fReset() {
digitalWrite(mCtrlPin, LOW);
while(digitalRead(mDataPin) > LOW) {;}
delay(2);
}
};
#endif
###