Function InputHandler

boards/m5stack-cardputer/interface.cpp:158–447

** Function: InputHandler ** Handles the variables PrevPress, NextPress, SelPress, AnyKeyPress and EscPress **********************************************************************/

** Handles the variables PrevPress, NextPress, SelPress, AnyKeyPress and EscPress
**********************************************************************/
void InputHandler(void) {
    static unsigned long tm = 0;
    static unsigned long nextRepeatTime = 0;
    static unsigned long prevRepeatTime = 0;
    static unsigned long upRepeatTime = 0;
    static unsigned long downRepeatTime = 0;

    static bool sel = false;
    static bool prev = false;
    static bool next = false;
    static bool up = false;
    static bool down = false;
    static bool esc = false;
    static bool del = false;
    static bool gui = false;
    static bool alt = false;
    static bool ctrl = false;

    bool arrow_up = false;
    bool arrow_dw = false;
    bool arrow_ry = false;
    bool arrow_le = false;
    if (!UseTCA8418 && millis() - tm < 200 && !LongPress) return;

    if (digitalRead(0) == LOW) { // GPIO0 button, shoulder button
        tm = millis();
        if (!wakeUpScreen()) yield();
        else return;
        SelPress = true;
        AnyKeyPress = true;
    }

    if (UseTCA8418) {
        bool keyEventHandled = false;
        bool nextPulse = false;
        bool prevPulse = false;
        bool upPulse = false;
        bool downPulse = false;
        bool delPulse = false;
        bool keyPulse = false;
        keyStroke key;

        if (kb_interrupt || digitalRead(11) == LOW) {
            if (!kb_interrupt && digitalRead(11) == LOW) {
                detachInterrupt(digitalPinToInterrupt(11));
                attachInterruptArg(digitalPinToInterrupt(11), gpio_isr_handler, nullptr, CHANGE);
                Serial.println("Forcing keyboard interrupt, Restoring Interruptions.");
                kb_interrupt = true;
            }

            while (tca.available() > 0) {
                int keyEvent = tca.getEvent();
                bool pressed = (keyEvent & 0x80); // Bit 7: 1 Pressed, 0 Released
                uint8_t value = keyEvent & 0x7F;  // Bits 0-6: key value

                uint8_t row, col;
                mapRawKeyToPhysical(value, row, col);
                if (row >= 4 || col >= 14) continue;