~ruther/qmk_firmware

ref: fa08cb2478e8c13a9f1c785956c95cb49bbebba3 qmk_firmware/keyboards/vitamins_included/rev2/rev2.c -rw-r--r-- 559 bytes
fa08cb24 — Drashna Jaelre [Keymap] Drashna keymap updates for 0.18.0 (#18184) 3 years ago
                                                                                
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#include "rev2.h"

bool is_keyboard_left(void) {
    #if defined(MASTER_LEFT)
        return is_keyboard_master();
    #elif defined(MASTER_RIGHT)
        return !is_keyboard_master();
    #elif defined(SPLIT_HAND_PIN)
        // Test pin SPLIT_HAND_PIN for High/Low, if low it's right hand
        setPinInputHigh(SPLIT_HAND_PIN);
        bool x = !readPin(SPLIT_HAND_PIN);
        setPinInput(SPLIT_HAND_PIN);
        return x;
    #elif defined(EE_HANDS)
        return eeprom_read_byte(EECONFIG_HANDEDNESS);
    #endif

    return is_keyboard_master();
}