|
|
|
@ -46,14 +46,15 @@ uint16_t Atreus::masks_[ROWS];
|
|
|
|
|
uint8_t Atreus::debounce_matrix_[ROWS][COLS];
|
|
|
|
|
uint8_t Atreus::debounce = 3;
|
|
|
|
|
|
|
|
|
|
constexpr uint8_t Atreus::row_pins[4];
|
|
|
|
|
|
|
|
|
|
void Atreus::setup(void) {
|
|
|
|
|
wdt_disable();
|
|
|
|
|
delay(100);
|
|
|
|
|
|
|
|
|
|
for (uint8_t i = 0; i < ROWS; i++) {
|
|
|
|
|
unselectRow(i);
|
|
|
|
|
keyState_[i] = previousKeyState_[i] = 0;
|
|
|
|
|
}
|
|
|
|
|
// Initialize rows
|
|
|
|
|
DDRD |= _BV(0) | _BV(1) | _BV(3) | _BV(2);
|
|
|
|
|
PORTD |= _BV(0) | _BV(1) | _BV(3) | _BV(2);
|
|
|
|
|
|
|
|
|
|
// Initialize columns
|
|
|
|
|
DDRB &= ~(_BV(5) | _BV(4) | _BV(6) | _BV(7));
|
|
|
|
@ -82,50 +83,8 @@ void Atreus::setup(void) {
|
|
|
|
|
TIMSK1 = _BV(TOIE1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void Atreus::selectRow(uint8_t row) {
|
|
|
|
|
switch (row) {
|
|
|
|
|
case 0:
|
|
|
|
|
DDRD |= (_BV(0));
|
|
|
|
|
PORTD &= ~(_BV(0));
|
|
|
|
|
break;
|
|
|
|
|
case 1:
|
|
|
|
|
DDRD |= (_BV(1));
|
|
|
|
|
PORTD &= ~(_BV(1));
|
|
|
|
|
break;
|
|
|
|
|
case 2:
|
|
|
|
|
DDRD |= (_BV(3));
|
|
|
|
|
PORTD &= ~(_BV(3));
|
|
|
|
|
break;
|
|
|
|
|
case 3:
|
|
|
|
|
DDRD |= (_BV(2));
|
|
|
|
|
PORTD &= ~(_BV(2));
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void Atreus::unselectRow(uint8_t row) {
|
|
|
|
|
switch (row) {
|
|
|
|
|
case 0:
|
|
|
|
|
DDRD &= ~(_BV(0));
|
|
|
|
|
PORTD |= (_BV(0));
|
|
|
|
|
break;
|
|
|
|
|
case 1:
|
|
|
|
|
DDRD &= ~(_BV(1));
|
|
|
|
|
PORTD |= (_BV(1));
|
|
|
|
|
break;
|
|
|
|
|
case 2:
|
|
|
|
|
DDRD &= ~(_BV(3));
|
|
|
|
|
PORTD |= (_BV(3));
|
|
|
|
|
break;
|
|
|
|
|
case 3:
|
|
|
|
|
DDRD &= ~(_BV(2));
|
|
|
|
|
PORTD |= (_BV(2));
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
void Atreus::toggleRow(uint8_t row) {
|
|
|
|
|
PORTD ^= _BV(row_pins[row]);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
uint16_t Atreus::readCols() {
|
|
|
|
@ -149,9 +108,9 @@ void Atreus::readMatrixRow(uint8_t current_row) {
|
|
|
|
|
|
|
|
|
|
mask = debounceMaskForRow(current_row);
|
|
|
|
|
|
|
|
|
|
selectRow(current_row);
|
|
|
|
|
toggleRow(current_row);
|
|
|
|
|
cols = (readCols() & mask) | (keyState_[current_row] & ~mask);
|
|
|
|
|
unselectRow(current_row);
|
|
|
|
|
toggleRow(current_row);
|
|
|
|
|
debounceRow(cols ^ keyState_[current_row], current_row);
|
|
|
|
|
keyState_[current_row] = cols;
|
|
|
|
|
}
|
|
|
|
|