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tolerance as a parameter #6

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tolerance as a parameter #6

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cd2c7e3
Update ezAnalogKeypad.h
Feb 11, 2022
fc89cae
Update ezAnalogKeypad.cpp
Feb 11, 2022
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7 changes: 4 additions & 3 deletions src/ezAnalogKeypad.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -31,8 +31,9 @@

#include <ezAnalogKeypad.h>

ezAnalogKeypad::ezAnalogKeypad(int pin) {
ezAnalogKeypad::ezAnalogKeypad(int pin, int _tolerance=100) {
keypadPin = pin;
tolerance = _tolerance;
debounceTime = 50; // default is 50ms

lastDebounceTime = 0;
Expand Down Expand Up @@ -87,12 +88,12 @@ unsigned char ezAnalogKeypad::getKey() {
int upper_bound;
for(int i = 0; i < keyNum; i++) {
if(i == 0)
lower_bound = values[i] - 100; // 100 is tolerance
lower_bound = values[i] - tolerance; // default tolerance value is 100
else
lower_bound = (values[i] + values[i-1]) / 2;

if(i == (keyNum - 1))
upper_bound = values[i] + 100; // 100 is tolerance
upper_bound = values[i] + tolerance; // default tolerance is 100
else
upper_bound = (values[i] + values[i+1]) / 2;

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1 change: 1 addition & 0 deletions src/ezAnalogKeypad.h
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Expand Up @@ -43,6 +43,7 @@ class ezAnalogKeypad
private:
int keypadPin;
unsigned long debounceTime;
int tolerance;
unsigned long lastDebounceTime;
int keyNum;
int lastKeyId;
Expand Down