Let's Split: establish rev2fliphalf subproject

Subproject to accomodate second half pad built in opposite orientation
(places TRRS jacks on opposing edges for shorter cable runs)

keyboards/lets_split/config.h

@@ -26,4 +26,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #ifdef SUBPROJECT_rev2
     #include "rev2/config.h"
 #endif
+#ifdef SUBPROJECT_rev2fliphalf
+	#include "../../rev2fliphalf/config.h"
+#endif
 #endif

keyboards/lets_split/keymaps/i2c/config.h

@@ -24,4 +24,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #endif
 #ifdef SUBPROJECT_rev2
     #include "../../rev2/config.h"
+#endif
+#ifdef SUBPROJECT_rev2fliphalf
+	#include "../../rev2fliphalf/config.h"
 #endif

keyboards/lets_split/keymaps/serial/config.h

@@ -26,4 +26,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #endif
 #ifdef SUBPROJECT_rev2
     #include "../../rev2/config.h"
+#endif
+#ifdef SUBPROJECT_rev2fliphalf
+	#include "../../rev2fliphalf/config.h"
 #endif

keyboards/lets_split/lets_split.h

@@ -7,6 +7,9 @@
 #ifdef SUBPROJECT_rev2
     #include "rev2.h"
 #endif
+#ifdef SUBPROJECT_rev2fliphalf
+	#include "rev2fliphalf.h"
+#endif
 
 #include "quantum.h"
 

keyboards/lets_split/rev2fliphalf/Makefile

@@ -0,0 +1,3 @@
+ifndef MAKEFILE_INCLUDED
+	include ../../Makefile
+endif

keyboards/lets_split/rev2fliphalf/config.h

@@ -0,0 +1,91 @@
+/*
+Copyright 2012 Jun Wako <wakojun@gmail.com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef CONFIG_H
+#define CONFIG_H
+
+#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID       0xFEED
+#define PRODUCT_ID      0x3060
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    Wootpatoot
+#define PRODUCT         Lets Split v2
+#define DESCRIPTION     A split keyboard for the cheap makers
+
+/* key matrix size */
+// Rows are doubled-up
+#define MATRIX_ROWS 8
+#define MATRIX_COLS 6
+
+// wiring of each half
+#define MATRIX_ROW_PINS { D7, E6, B4, B5 }
+//#define MATRIX_COL_PINS { F6, F7, B1, B3, B2, B6 }
+#define MATRIX_COL_PINS { B6, B2, B3, B1, F7, F6 } //uncomment this line and comment line above if you need to reverse left-to-right key order
+
+//#define CATERINA_BOOTLOADER
+
+/* COL2ROW or ROW2COL */
+#define DIODE_DIRECTION COL2ROW
+
+/* define if matrix has ghost */
+//#define MATRIX_HAS_GHOST
+
+/* number of backlight levels */
+// #define BACKLIGHT_LEVELS 3
+
+/* Set 0 if debouncing isn't needed */
+#define DEBOUNCING_DELAY 5
+
+/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
+#define LOCKING_SUPPORT_ENABLE
+/* Locking resynchronize hack */
+#define LOCKING_RESYNC_ENABLE
+
+/* key combination for command */
+#define IS_COMMAND() ( \
+    keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
+)
+
+/* ws2812 RGB LED */
+#define RGB_DI_PIN D3
+#define RGBLIGHT_TIMER
+#define RGBLED_NUM 12    // Number of LEDs
+#define ws2812_PORTREG  PORTD
+#define ws2812_DDRREG   DDRD
+
+/*
+ * Feature disable options
+ *  These options are also useful to firmware size reduction.
+ */
+
+/* disable debug print */
+// #define NO_DEBUG
+
+/* disable print */
+// #define NO_PRINT
+
+/* disable action features */
+//#define NO_ACTION_LAYER
+//#define NO_ACTION_TAPPING
+//#define NO_ACTION_ONESHOT
+//#define NO_ACTION_MACRO
+//#define NO_ACTION_FUNCTION
+
+
+#endif

keyboards/lets_split/rev2fliphalf/rev2fliphalf.c

@@ -0,0 +1,32 @@
+#include "lets_split.h"
+
+#ifdef AUDIO_ENABLE
+    float tone_startup[][2] = SONG(STARTUP_SOUND);
+    float tone_goodbye[][2] = SONG(GOODBYE_SOUND);
+#endif
+
+void matrix_init_kb(void) {
+
+    #ifdef AUDIO_ENABLE
+        _delay_ms(20); // gets rid of tick
+        PLAY_NOTE_ARRAY(tone_startup, false, 0);
+    #endif
+
+    // // green led on
+    // DDRD |= (1<<5);
+    // PORTD &= ~(1<<5);
+
+    // // orange led on
+    // DDRB |= (1<<0);
+    // PORTB &= ~(1<<0);
+
+	matrix_init_user();
+};
+
+void shutdown_user(void) {
+    #ifdef AUDIO_ENABLE
+        PLAY_NOTE_ARRAY(tone_goodbye, false, 0);
+	_delay_ms(150);
+	stop_all_notes();
+    #endif
+}

keyboards/lets_split/rev2fliphalf/rev2fliphalf.h

@@ -0,0 +1,28 @@
+#ifndef REV2FLIPHALF_H
+#define REV2FLIPHALF_H
+
+#include "../lets_split.h"
+
+//void promicro_bootloader_jmp(bool program);
+#include "quantum.h"
+
+//void promicro_bootloader_jmp(bool program);
+
+#define KEYMAP( \
+	k00, k01, k02, k03, k04, k05, k45, k44, k43, k42, k41, k40, \
+	k10, k11, k12, k13, k14, k15, k55, k54, k53, k52, k51, k50, \
+	k20, k21, k22, k23, k24, k25, k65, k64, k63, k62, k61, k60, \
+	k30, k31, k32, k33, k34, k35, k75, k74, k73, k72, k71, k70 \
+	) \
+	{ \
+		{ k00, k01, k02, k03, k04, k05 }, \
+		{ k10, k11, k12, k13, k14, k15 }, \
+		{ k20, k21, k22, k23, k24, k25 }, \
+		{ k30, k31, k32, k33, k34, k35 }, \
+		{ k40, k41, k42, k43, k44, k45 }, \
+		{ k50, k51, k52, k53, k54, k55 }, \
+		{ k60, k61, k62, k63, k64, k65 }, \
+		{ k70, k71, k72, k73, k74, k75 } \
+	}
+
+#endif

keyboards/lets_split/rev2fliphalf/rules.mk

@@ -0,0 +1,5 @@
+BACKLIGHT_ENABLE = no
+
+ifndef QUANTUM_DIR
+	include ../../../Makefile
+endif