add preonic rev3_drop

keyboards/preonic/rev2/keymaps/ncsibra/keymap.c

@@ -1,6 +1,6 @@
 #include "ncsibra.h"
 
-#define LAYOUT_wrapper(...)            LAYOUT_ortho_5x12(__VA_ARGS__)
+#define LAYOUT_wrapper(...)            LAYOUT_preonic_grid(__VA_ARGS__)
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 

keyboards/preonic/rev3_drop/keymaps/ncsibra/keymap.c

@@ -0,0 +1,20 @@
+#include "ncsibra.h"
+
+#define LAYOUT_wrapper(...)            LAYOUT_preonic_grid(__VA_ARGS__)
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+[_COLEMAK] = LAYOUT_wrapper(COLEMAK_LAYER),
+
+[_QWERTY] = LAYOUT_wrapper(QWERTY_LAYER),
+
+[_LOWER] = LAYOUT_wrapper(LOWER_LAYER),
+
+[_RAISE] = LAYOUT_wrapper(RAISE_LAYER),
+
+[_NUM] = LAYOUT_wrapper(NUM_LAYER),
+
+[_WOW] = LAYOUT_wrapper(WOW_LAYER),
+
+[_MOD] = LAYOUT_wrapper(MOD_LAYER),
+};

keyboards/preonic/rev3_drop/keymaps/ncsibra/rules.mk

@@ -0,0 +1,15 @@
+BOOTMAGIC_ENABLE = no       # Virtual DIP switch configuration(+1000)
+MOUSEKEY_ENABLE = no       # Mouse keys(+4700)
+EXTRAKEY_ENABLE = yes       # Audio control and System control(+450)
+CONSOLE_ENABLE = yes         # Console for debug(+400)
+COMMAND_ENABLE = no        # Commands for debug and configuration
+NKRO_ENABLE = no            # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+BACKLIGHT_ENABLE = no      # Enable keyboard backlight functionality
+MIDI_ENABLE = no            # MIDI controls
+AUDIO_ENABLE = no           # Audio output on port C6
+UNICODE_ENABLE = no         # Unicode
+BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
+RGBLIGHT_ENABLE = no        # Enable WS2812 RGB underlight.
+
+ENCODER_ENABLE = no
+DIP_SWITCH_ENABLE = no