+#ifdef KEY_LOCK_ENABLE
+ #include "process_key_lock.h"
+#endif
+
+#ifdef TERMINAL_ENABLE
+ #include "process_terminal.h"
+#else
+ #include "process_terminal_nop.h"
+#endif
+
+#ifdef SPACE_CADET_ENABLE
+ #include "process_space_cadet.h"
+#endif
+
+#ifdef HD44780_ENABLE
+ #include "hd44780.h"
+#endif
+
+#ifdef HAPTIC_ENABLE
+ #include "haptic.h"
+#endif
+
+#ifdef OLED_DRIVER_ENABLE
+ #include "oled_driver.h"
+#endif
+
+// Function substitutions to ease GPIO manipulation
+#if defined(__AVR__)
+ typedef uint8_t pin_t;
+
+ #define PIN_ADDRESS(p, offset) (_SFR_IO8(ADDRESS_BASE + ((p) >> PORT_SHIFTER) + (offset)))
+ #define setPinInput(pin) (PIN_ADDRESS(pin, 1) &= ~_BV((pin) & 0xF))
+ #define setPinInputHigh(pin) (PIN_ADDRESS(pin, 1) &= ~_BV((pin) & 0xF), \
+ PIN_ADDRESS(pin, 2) |= _BV((pin) & 0xF))
+ #define setPinInputLow(pin) _Static_assert(0, "AVR processors cannot implement an input as pull low")
+ #define setPinOutput(pin) (PIN_ADDRESS(pin, 1) |= _BV((pin) & 0xF))
+
+ #define writePinHigh(pin) (PIN_ADDRESS(pin, 2) |= _BV((pin) & 0xF))
+ #define writePinLow(pin) (PIN_ADDRESS(pin, 2) &= ~_BV((pin) & 0xF))
+ #define writePin(pin, level) ((level) ? writePinHigh(pin) : writePinLow(pin))
+
+ #define readPin(pin) ((bool)(PIN_ADDRESS(pin, 0) & _BV((pin) & 0xF)))
+#elif defined(PROTOCOL_CHIBIOS)
+ typedef ioline_t pin_t;
+
+ #define setPinInput(pin) palSetLineMode(pin, PAL_MODE_INPUT)
+ #define setPinInputHigh(pin) palSetLineMode(pin, PAL_MODE_INPUT_PULLUP)
+ #define setPinInputLow(pin) palSetLineMode(pin, PAL_MODE_INPUT_PULLDOWN)
+ #define setPinOutput(pin) palSetLineMode(pin, PAL_MODE_OUTPUT_PUSHPULL)
+
+ #define writePinHigh(pin) palSetLine(pin)
+ #define writePinLow(pin) palClearLine(pin)
+ #define writePin(pin, level) ((level) ? writePinHigh(pin) : writePinLow(pin))
+
+ #define readPin(pin) palReadLine(pin)
+#endif
+
+// Send string macros
+#define STRINGIZE(z) #z
+#define ADD_SLASH_X(y) STRINGIZE(\x ## y)
+#define SYMBOL_STR(x) ADD_SLASH_X(x)
+
+#define SS_TAP_CODE 1
+#define SS_DOWN_CODE 2
+#define SS_UP_CODE 3
+
+#define SS_TAP(keycode) "\1" SYMBOL_STR(keycode)
+#define SS_DOWN(keycode) "\2" SYMBOL_STR(keycode)
+#define SS_UP(keycode) "\3" SYMBOL_STR(keycode)
+
+// `string` arguments must not be parenthesized
+#define SS_LCTRL(string) SS_DOWN(X_LCTRL) string SS_UP(X_LCTRL)
+#define SS_LGUI(string) SS_DOWN(X_LGUI) string SS_UP(X_LGUI)
+#define SS_LCMD(string) SS_LGUI(string)
+#define SS_LWIN(string) SS_LGUI(string)
+#define SS_LALT(string) SS_DOWN(X_LALT) string SS_UP(X_LALT)
+#define SS_LSFT(string) SS_DOWN(X_LSHIFT) string SS_UP(X_LSHIFT)
+#define SS_RALT(string) SS_DOWN(X_RALT) string SS_UP(X_RALT)
+#define SS_ALGR(string) SS_RALT(string)
+
+#define SEND_STRING(string) send_string_P(PSTR(string))
+