Function pinMode

src/platforms/arm/teensy/pin_teensy.hpp:39–63

namespace platforms {

inline void pinMode(int pin, fl::PinMode mode) FL_NOEXCEPT {
    // Translate PinMode to Teensy core constants
    // PinMode::Input=0, Output=1, InputPullup=2, InputPulldown=3
    // Teensy: INPUT=0, OUTPUT=1, INPUT_PULLUP=2, INPUT_PULLDOWN (Teensy-specific)
    int teensy_mode = INPUT;  // Initialize to safe default
    switch (mode) {
        case fl::PinMode::Input:
            teensy_mode = INPUT;  // 0
            break;
        case fl::PinMode::Output:
            teensy_mode = OUTPUT;  // 1
            break;
        case fl::PinMode::InputPullup:
            teensy_mode = INPUT_PULLUP;  // 2
            break;
        case fl::PinMode::InputPulldown:
#ifdef INPUT_PULLDOWN
            teensy_mode = INPUT_PULLDOWN;  // Teensy-specific
#else
            teensy_mode = INPUT_PULLUP;  // Fallback to INPUT_PULLUP
#endif
            break;
    }
    ::pinMode(pin, teensy_mode);
}

inline void digitalWrite(int pin, fl::PinValue val) FL_NOEXCEPT {
    ::digitalWrite(pin, static_cast<int>(val));  // PinValue::Low=0, High=1