: softPowerPin(powerPin) {

// Store row and column pins

rowPins[0] = rows[0];

rowPins[1] = rows[1];

colPins[0] = cols[0];

colPins[1] = cols[1];

colPins[2] = cols[2];

// Define key mapping for each position in the matrix

// Row 0

keyMap[0][0] = KEY_UP; // Top-left

keyMap[0][1] = KEY_DOWN; // Top-middle

keyMap[0][2] = KEY_LEFT; // Top-right

// Row 1

keyMap[1][0] = KEY_RIGHT; // Bottom-left

keyMap[1][1] = ExtendedKeys::KEY_TIGHT_BRAKE; // Bottom-middle

keyMap[1][2] = ExtendedKeys::KEY_RELEASE_BRAKE; // Bottom-right

// Initialize all pins

initializePins();

// Set row pins as outputs with HIGH state (inactive)

for (int i = 0; i < 2; i++) {

pinMode(rowPins[i], OUTPUT);

digitalWrite(rowPins[i], HIGH);

}

// Set column pins as inputs with pull-up resistors

for (int i = 0; i < 3; i++) {

pinMode(colPins[i], INPUT_PULLUP);

}

// Initialize soft power button as input with pull-up

pinMode(softPowerPin, INPUT_PULLUP);

uint16_t pressedKeys = 0;

// Scan each row of the matrix

for (int row = 0; row < 2; row++) {

scanRow(row, pressedKeys);

}

// Check soft power button (when configured as input)

if (digitalRead(softPowerPin) == LOW) {

pressedKeys |= KEY_OK; // Soft power button represents OK when pressed

}

return pressedKeys;

// Set the current row LOW (active)

digitalWrite(rowPins[row], LOW);

// Small delay to stabilize

delayMicroseconds(10);

// Read all columns

for (int col = 0; col < 3; col++) {

// If column reads LOW, the button at this row/column is pressed

if (digitalRead(colPins[col]) == LOW) {

pressedKeys |= keyMap[row][col];

}

}

// Set the row back to HIGH (inactive)

digitalWrite(rowPins[row], HIGH);

// Configure as output

pinMode(softPowerPin, OUTPUT);

// Send LOW signal to trigger power off

digitalWrite(softPowerPin, LOW);

// Wait a moment to ensure signal is processed

delay(100);

}