tmk_keyboard/converter/ibmpc_usb/ibmpc_usb.h

#ifndef IBMPC_USB_H
#define IBMPC_USB_H

typedef enum { NONE, PC_XT, PC_AT, PC_TERMINAL, PC_MOUSE } keyboard_kind_t;
#define KEYBOARD_KIND_STR(kind) \
    (kind == PC_XT ? "XT" :   \
     kind == PC_AT ? "AT" :   \
     kind == PC_TERMINAL ? "TERMINAL" :   \
     kind == PC_MOUSE ? "MOUSE" :   \
     "NONE")

#endif