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pad.cpp
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52 lines (49 loc) · 1.53 KB
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#include "pad.h"
void Button::init() {
pinMode(BUTTON_ADC_PIN, INPUT);
digitalWrite(BUTTON_ADC_PIN, LOW);
}
void Button::update() {
id_last = id;
id = read();
}
byte Button::read() {
byte b = BUTTON_NONE;
unsigned int range_a[7];
unsigned int range_b[7];
voltage = analogRead(BUTTON_ADC_PIN);
if (voltage > 0) {
range_a[BUTTON_NONE] = NONE_10BIT_ADC - BUTTONHYSTERESIS;
range_a[BUTTON_UP] = UP_10BIT_ADC - BUTTONHYSTERESIS;
range_a[BUTTON_RIGHT] = RIGHT_10BIT_ADC - BUTTONHYSTERESIS;
range_a[BUTTON_DOWN] = DOWN_10BIT_ADC - BUTTONHYSTERESIS;
range_a[BUTTON_LEFT] = LEFT_10BIT_ADC - BUTTONHYSTERESIS;
range_a[BUTTON_A] = A_10BIT_ADC - BUTTONHYSTERESIS;
range_a[BUTTON_B] = B_10BIT_ADC - BUTTONHYSTERESIS;
range_b[BUTTON_NONE] = NONE_10BIT_ADC + BUTTONHYSTERESIS;
range_b[BUTTON_UP] = UP_10BIT_ADC + BUTTONHYSTERESIS;
range_b[BUTTON_RIGHT] = RIGHT_10BIT_ADC + BUTTONHYSTERESIS;
range_b[BUTTON_DOWN] = DOWN_10BIT_ADC + BUTTONHYSTERESIS;
range_b[BUTTON_LEFT] = LEFT_10BIT_ADC + BUTTONHYSTERESIS;
range_b[BUTTON_A] = A_10BIT_ADC + BUTTONHYSTERESIS;
range_b[BUTTON_B] = B_10BIT_ADC + BUTTONHYSTERESIS;
for (byte i = 0; i < 7; i++) {
if (voltage > range_a[i] && voltage < range_b[i]) {
b = i;
break;
}
}
} else {
b = BUTTON_B;
}
if ((buttonWas == BUTTON_NONE) && (b != BUTTON_NONE)) {
buttonJustPressed = true;
buttonJustReleased = false;
}
if ((buttonWas != BUTTON_NONE) && (b == BUTTON_NONE)) {
buttonJustPressed = false;
buttonJustReleased = true;
}
buttonWas = b;
return(b);
}