Add support for LFKeyboard products: LFK78, LFK87 and SMK65

9 files changed, 774 insertions, 0 deletions

diff --git a/keyboards/lfkeyboards/lfk78/config.h b/keyboards/lfkeyboards/lfk78/config.h
new file mode 100644
index 0000000000..32f4455dae
--- /dev/null
+++ b/keyboards/lfkeyboards/lfk78/config.h
@@ -0,0 +1,172 @@
+/*
+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"
+
+#define VENDOR_ID       0xFEED
+#define PRODUCT_ID      0x6060
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    LFKeyboards
+#define PRODUCT         LFK78
+#define DESCRIPTION     QMK keyboard firmware for LFK78 LFK_REV_STRING
+
+#ifdef LFK_REV_B
+/* RevB Matrix config */
+    #define DIODE_DIRECTION COL2ROW
+    #define MATRIX_ROWS 10
+    #define MATRIX_COLS 8
+    #define MATRIX_ROW_PINS { B0, B1, B2, B3, B4, F0, F1, F4, F5, F6}
+    #define MATRIX_COL_PINS { E6, F7, D2, D3, D4, D5, D6, D7 }
+    #define UNUSED_PINS { C7 }
+    #define RGBLED_NUM 31     // Number of LEDs
+#else
+/* RevC/D Matrix config */
+    #define DIODE_DIRECTION COL2ROW
+    #define MATRIX_ROWS 5
+    #define MATRIX_COLS 18
+    #define MATRIX_ROW_PINS {D2, D3, D4, D5, D6 }
+    #define MATRIX_COL_PINS {A0, A1, A2, A3, A4, A5, A6, A7, E6, E7,\
+                             F0, F1, F2, F3, C0, C1, C2, C3 }
+    #define UNUSED_PINS {B0, B1, B2, B3, B4, B4, B5, B6, B7, C4, C5, C6, C7,\
+                         D0, D1, D7, E0, E1, E2, E3, E4, D5, F4, F5, F6, F7,\
+                         E6, E7, F0, F1, F2, F3, C0, C1, C2, C3}
+    #define RGBLED_NUM 27     // Number of LEDs
+#endif
+
+#define AUDIO_VOICES
+#define C6_AUDIO
+
+#define BACKLIGHT_LEVELS 8
+#define BACKLIGHT_PWM_MAP {8, 16, 40, 55, 70, 128, 200, 255}
+
+#define RGB_DI_PIN C7  // Have to set it to something to get the ws2812 code to compile
+#define RGBLIGHT_ANIMATIONS
+#define RGBLIGHT_HUE_STEP 10
+#define RGBLIGHT_SAT_STEP 17
+#define RGBLIGHT_VAL_STEP 17
+
+#define TAPPING_TERM 200
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCING_DELAY 5
+
+/* define if matrix has ghost (lacks anti-ghosting diodes) */
+//#define MATRIX_HAS_GHOST
+
+/* number of backlight levels */
+
+/* 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
+
+/*
+ * Force NKRO
+ *
+ * Force NKRO (nKey Rollover) to be enabled by default, regardless of the saved
+ * state in the bootmagic EEPROM settings. (Note that NKRO must be enabled in the
+ * makefile for this to work.)
+ *
+ * If forced on, NKRO can be disabled via magic key (default = LShift+RShift+N)
+ * until the next keyboard reset.
+ *
+ * NKRO may prevent your keystrokes from being detected in the BIOS, but it is
+ * fully operational during normal computer usage.
+ *
+ * For a less heavy-handed approach, enable NKRO via magic key (LShift+RShift+N)
+ * or via bootmagic (hold SPACE+N while plugging in the keyboard). Once set by
+ * bootmagic, NKRO mode will always be enabled until it is toggled again during a
+ * power-up.
+ *
+ */
+//#define FORCE_NKRO
+
+/*
+ * Magic Key Options
+ *
+ * Magic keys are hotkey commands that allow control over firmware functions of
+ * the keyboard. They are best used in combination with the HID Listen program,
+ * found here: https://www.pjrc.com/teensy/hid_listen.html
+ *
+ * The options below allow the magic key functionality to be changed. This is
+ * useful if your keyboard/keypad is missing keys and you want magic key support.
+ *
+ */
+
+/* key combination for magic key command */
+#define IS_COMMAND() ( \
+    keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
+)
+
+/* control how magic key switches layers */
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_FKEYS  true
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_NKEYS  true
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_CUSTOM false
+
+/* override magic key keymap */
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_FKEYS
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_NKEYS
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_CUSTOM
+//#define MAGIC_KEY_HELP1          H
+//#define MAGIC_KEY_HELP2          SLASH
+//#define MAGIC_KEY_DEBUG          D
+//#define MAGIC_KEY_DEBUG_MATRIX   X
+//#define MAGIC_KEY_DEBUG_KBD      K
+//#define MAGIC_KEY_DEBUG_MOUSE    M
+//#define MAGIC_KEY_VERSION        V
+//#define MAGIC_KEY_STATUS         S
+//#define MAGIC_KEY_CONSOLE        C
+//#define MAGIC_KEY_LAYER0_ALT1    ESC
+//#define MAGIC_KEY_LAYER0_ALT2    GRAVE
+//#define MAGIC_KEY_LAYER0         0
+//#define MAGIC_KEY_LAYER1         1
+//#define MAGIC_KEY_LAYER2         2
+//#define MAGIC_KEY_LAYER3         3
+//#define MAGIC_KEY_LAYER4         4
+//#define MAGIC_KEY_LAYER5         5
+//#define MAGIC_KEY_LAYER6         6
+//#define MAGIC_KEY_LAYER7         7
+//#define MAGIC_KEY_LAYER8         8
+//#define MAGIC_KEY_LAYER9         9
+//#define MAGIC_KEY_BOOTLOADER     PAUSE
+//#define MAGIC_KEY_LOCK           CAPS
+//#define MAGIC_KEY_EEPROM         E
+//#define MAGIC_KEY_NKRO           N
+//#define MAGIC_KEY_SLEEP_LED      Z
+
+/*
+ * 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
diff --git a/keyboards/lfkeyboards/lfk78/keymaps/default/config.h b/keyboards/lfkeyboards/lfk78/keymaps/default/config.h
new file mode 100644
index 0000000000..8893d122e0
--- /dev/null
+++ b/keyboards/lfkeyboards/lfk78/keymaps/default/config.h
@@ -0,0 +1,8 @@
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+// place overrides here
+
+#endif
diff --git a/keyboards/lfkeyboards/lfk78/keymaps/default/keymap.c b/keyboards/lfkeyboards/lfk78/keymaps/default/keymap.c
new file mode 100644
index 0000000000..613213f067
--- /dev/null
+++ b/keyboards/lfkeyboards/lfk78/keymaps/default/keymap.c
@@ -0,0 +1,123 @@
+#include "lfk78.h"
+#include "issi.h"
+#include "lighting.h"
+#include "action_layer.h"
+
+//Define a shorter 'transparent' key code to make the keymaps more compact
+#define KC_TR KC_TRNS
+
+enum keymap_layout {
+    VANILLA = 0,  // matches MF68 layout
+    FUNC,         // 0x02
+    SETTINGS,     // 0x04
+};
+
+// Colors of the layer indicator LED
+// This list needs to define layer 0xFFFFFFFF, it is the end of the list, and the unknown layer
+const Layer_Info layer_info[] = {
+  // Layer     Mask           Red     Green   Blue
+  {0x00000000, 0xFFFFFFFF, {0x0000, 0x0FFF, 0x0000}}, // base layer - green
+  {0x00000002, 0xFFFFFFFE, {0x0000, 0x0000, 0x0FFF}}, // function layer - blue
+  {0x00000004, 0xFFFFFFFC, {0x0FFF, 0x0000, 0x0FFF}}, // settings layer - magenta
+  {0xFFFFFFFF, 0xFFFFFFFF, {0x0FFF, 0x0FFF, 0x0FFF}}, // unknown layer - REQUIRED - white
+};
+
+
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+[VANILLA] = KEYMAP(
+  /* Keymap VANILLA: (Base Layer) Default Layer
+   * ,---------.  ,------------------------------------------------------------.  ,---------.
+   * | F1 | F2 |  |Esc~| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |  0| - | = |Backspa|  | Ins|PgUp|
+   * |---------|  |------------------------------------------------------------|  |---------|
+   * | F3 | F4 |  |Tab  |  Q|  W|  E|  R|  T|  Y|  U|  I|  O|  P|  [|  ]|     \|  | Del|PgDn|
+   * |---------|  |------------------------------------------------------------|  `---------'
+   * | F5 | F6 |  |CAPS    |  A|  S|  D|  F|  G|  H|  J|  K|  L|  ;|  '|Return |
+   * |---------|  |------------------------------------------------------------|  ,----.
+   * | F7 | F8 |  |Shift   |  Z|  X|  C|  V|  B|  N|  M|  ,|  .|  /|Shift      |  | Up |
+   * |---------|  |-------------------------------------------------------------------------.
+   * | F9 | F10|  |Ctrl|Win |Alt |      Space            |Alt |Ctrl|Func |    |Lft| Dn |Rig |
+   * `---------'  `------------------------------------------------------'    `-------------'
+   */
+  KC_F1, KC_F2,       KC_GESC,KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL,   KC_BSPC,  KC_INS, KC_PGUP,
+  KC_F3, KC_F4,       KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC, KC_RBRC, KC_BSLS,  KC_DEL, KC_PGDN,
+  KC_F5, KC_F6,       KC_CAPS,  KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT,      KC_ENT,
+  KC_F7, KC_F8,       KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH,          KC_RSFT,   KC_UP,
+  KC_F9, KC_F10,      KC_LCTL, KC_LGUI, KC_LALT,              KC_SPC,           KC_RALT, KC_RCTL, MO(FUNC), KC_LEFT, KC_DOWN, KC_RGHT),
+  /* Keymap FUNCTION: Function Layer
+   * ,---------.  ,-------------------------------------------------------------.  ,---------.
+   * |    |    |  | ` |F1 |F2 |F3 |F4 |F5 |F6 |F7 |F8 |F9 |F10|F11|F12|Delete   |  | Ins|Home|
+   * |---------|  |-------------------------------------------------------------|  |---------|
+   * |    |    |  |Tab  |Hom| Up|End|PgU|   |   |   |   |   |   |   |   |       |  | Del|End |
+   * |---------|  |-------------------------------------------------------------|  `---------'
+   * |    |    |  |MO(FUNC)|Lft|Dn |Rig|PgD|   |Lft|Dwn| Up|Rgt|   |   |        |
+   * |---------|  |-------------------------------------------------------------|  ,----.
+   * |    |    |  |Shift   |   |   |   |   |   |   |Mute|V- |V+ |  |TG(SETTINGS)|  | Up |
+   * |---------|  |--------------------------------------------------------------------------.
+   * |    |    |  |Ctrl|Win |Alt |        Enter         |Alt |Func |CTRL |     |Lft| Dn |Rig |
+   * `---------'  `------------------------------------------------------'     `-------------'
+   */
+[FUNC] = KEYMAP(
+  KC_TR,   KC_TR,    KC_GRV,  KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12,       KC_DEL,  KC_TR, KC_HOME,
+  KC_TR,   KC_TR,    KC_NO,KC_HOME, KC_UP, KC_END, KC_PGUP, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO,         KC_NO,  KC_TR, KC_END,
+  KC_TR,   KC_TR,    KC_TR,   KC_LEFT, KC_DOWN, KC_RGHT, KC_PGDN, KC_NO, KC_LEFT, KC_DOWN, KC_UP, KC_RGHT, KC_NO, KC_NO,    KC_NO,
+  KC_TR,   KC_TR,    KC_TR,    KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_MUTE, KC_VOLD, KC_VOLU, KC_NO,           TG(SETTINGS),  KC_TR,
+  KC_TR,   KC_TR,    KC_TR,  KC_TR, KC_TR,                  KC_ENT,                            KC_TR, KC_TR, KC_TR,         KC_TR,  KC_TR, KC_TR),
+
+  /* Keymap SETTINGS: Settings Layer
+   * ,---------.  ,-------------------------------------------------------------.  ,-------------.
+   * |    |    |  |LayClr|   |   |   |   |   |   |   |   |  |   |BL-|BL+|BL Togl|  |RGB Tog |Val+|
+   * |---------|  |-------------------------------------------------------------|  |-------------|
+   * |    |    |  |MuMode |   |   |   |   |   |   |   |   |   |   |   |  |LEDTst|  |RGB Mode|Val-|
+   * |---------|  |-------------------------------------------------------------|  `-------------'
+   * |    |    |  |AudTgl   |Hz+|MS+|   |   |   |   |   |   |   |   |   |  RST  |
+   * |---------|  |-------------------------------------------------------------|  ,----.
+   * |    |    |  |ClickTgl  |Hz-|MS-|   |   |   |   |MuTgl|  |  |   |Layer Clr |  |Hue+|
+   * |---------|  |-------------------------------------------------------------------------.
+   * |    |    |  |    |    |    |                         |    |    |     |  |Sat-|Hue-|Sat+|
+   * `---------'  `--------------------------------------------------------'  `--------------'
+   */
+[SETTINGS] = KEYMAP(
+  KC_NO,   KC_NO,    KC_FN0,KC_NO,KC_NO,KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, BL_DEC, BL_INC,  BL_TOGG,    RGB_TOG, RGB_VAI,
+  KC_NO,   KC_NO,    MU_MOD, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO,   KC_NO,    RGB_MOD, RGB_VAD,
+  KC_NO,   KC_NO,    AU_TOG,  KC_FN1,KC_FN3, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO,        RESET,
+  KC_NO,   KC_NO,    KC_FN5,    KC_FN2,KC_FN4, KC_NO, KC_NO, KC_NO, KC_NO, MU_TOG, KC_NO, KC_NO, KC_NO,             KC_NO,    RGB_HUI,
+  KC_NO,   KC_NO,    KC_NO, KC_NO, KC_NO,                  KC_NO,                           KC_NO, KC_NO, KC_NO,    RGB_SAD, RGB_HUD, RGB_SAI),
+};
+
+const uint16_t PROGMEM fn_actions[] = {
+    ACTION_FUNCTION(LFK_CLEAR),                               // FN0 - reset layers
+    ACTION_FUNCTION(LFK_CLICK_FREQ_HIGHER),                   // FN1 - Increase Freq of audio click
+    ACTION_FUNCTION(LFK_CLICK_FREQ_LOWER),                    // FN2 - Decrease Freq of audio click
+    ACTION_FUNCTION(LFK_CLICK_TIME_LONGER),                   // FN3 - Increase length of audio click
+    ACTION_FUNCTION(LFK_CLICK_TIME_SHORTER),                  // FN4 - Decrease length of audio click
+    ACTION_FUNCTION(LFK_CLICK_TOGGLE),                        // FN5 - Toggle audio click
+  };
+
+
+const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
+{
+  // MACRODOWN only works in this function
+      switch(id) {
+      }
+    return MACRO_NONE;
+};
+
+
+void matrix_init_user(void) {
+    // This keymap only has a single base layer, so reset the default if needed
+    if(eeconfig_read_default_layer() > 1){
+        eeconfig_update_default_layer(1);
+        default_layer_set(1);
+    }
+}
+
+void matrix_scan_user(void) {
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  return true;
+}
+
+void led_set_user(uint8_t usb_led) {
+}
diff --git a/keyboards/lfkeyboards/lfk78/keymaps/default/readme.md b/keyboards/lfkeyboards/lfk78/keymaps/default/readme.md
new file mode 100644
index 0000000000..8321adeb7a
--- /dev/null
+++ b/keyboards/lfkeyboards/lfk78/keymaps/default/readme.md
@@ -0,0 +1 @@
+# The default keymap for LFK78
diff --git a/keyboards/lfkeyboards/lfk78/keymaps/default/rules.mk b/keyboards/lfkeyboards/lfk78/keymaps/default/rules.mk
new file mode 100644
index 0000000000..dd973eac3d
--- /dev/null
+++ b/keyboards/lfkeyboards/lfk78/keymaps/default/rules.mk
@@ -0,0 +1,42 @@
+# Build Options
+#   change to "no" to disable the options, or define them in the Makefile in
+#   the appropriate keymap folder that will get included automatically
+#
+
+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 = no             # Console for debug(+400)
+COMMAND_ENABLE = no             # Commands for debug and configuration
+NKRO_ENABLE = yes               # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+BACKLIGHT_ENABLE = yes          # Enable keyboard backlight functionality
+MIDI_ENABLE = no                # MIDI controls
+AUDIO_ENABLE = yes               # Audio output on port C6
+UNICODE_ENABLE = no             # Unicode
+BLUETOOTH_ENABLE = no           # Enable Bluetooth with the Adafruit EZ-Key HID
+RGBLIGHT_ENABLE = yes           # Enable WS2812 RGB underlight.  Do not enable this with audio at the same time.
+RGBLIGHT_CUSTOM_DRIVER = yes    # RGB code is implemented in lefkeyboards, not qmk base
+SLEEP_LED_ENABLE = yes          # Breathing sleep LED during USB suspend
+TAP_DANCE_ENABLE = no
+
+ISSI_ENABLE = yes           # If the I2C pullup resistors aren't install this must be disabled
+WATCHDOG_ENABLE = no       # Resets keyboard if matrix_scan isn't run every 250ms
+
+ifndef QUANTUM_DIR
+    include ../../../../Makefile
+endif
+
+ifeq ($(strip $(ISSI_ENABLE)), yes)
+    TMK_COMMON_DEFS += -DISSI_ENABLE
+endif
+
+ifeq ($(strip $(WATCHDOG_ENABLE)), yes)
+    TMK_COMMON_DEFS += -DWATCHDOG_ENABLE
+endif
+
+# Override the LFK78 hardware version:
+#
+# B   - first public release, uses atmega32u4, has audio, ISSI matrix split between RGB and backlight
+# C-H - at90usb1286, no audio, ISSI device 0 is backlight, 4 is RGB
+# J   - at90usb646, C6 audio, ISSI device 0 is backlight, 4 is RGB
+# LFK_REV = J
diff --git a/keyboards/lfkeyboards/lfk78/lfk78.c b/keyboards/lfkeyboards/lfk78/lfk78.c
new file mode 100644
index 0000000000..e4393327f3
--- /dev/null
+++ b/keyboards/lfkeyboards/lfk78/lfk78.c
@@ -0,0 +1,225 @@
+#include <avr/sfr_defs.h>
+#include <avr/timer_avr.h>
+#include <avr/wdt.h>
+#include "lfk78.h"
+#include "keymap.h"
+#include "issi.h"
+#include "TWIlib.h"
+#include "lighting.h"
+#include "debug.h"
+#include <audio/audio.h>
+
+uint16_t click_hz = CLICK_HZ;
+uint16_t click_time = CLICK_MS;
+uint8_t click_toggle = CLICK_ENABLED;
+
+void matrix_init_kb(void)
+{
+    matrix_init_user();
+
+    // Configure the Layer LED
+    // Set up 16 bit PWM: Fast PWM, mode 15, inverted
+    TCCR1A = 0b11111110;
+    TCCR1B = 0b00011001;
+    ICR1 = 0xFFFF;
+    // PWM values - 0xFFFF = off, 0x0000 = max
+    OCR1C = 0x0000; // B7 - Blue
+    OCR1B = 0x0000; // B6 - Green
+    OCR1A = 0x0FFF; // B5 - Red
+    // Set as output
+    DDRB |= 0b11100000;
+
+#ifndef AUDIO_ENABLE
+    // If we're not using the audio pin, drive it low
+    sbi(DDRC, 6);
+    cbi(PORTC, 6);
+#endif
+
+#ifdef ISSI_ENABLE
+    issi_init();
+#endif
+#ifdef WATCHDOG_ENABLE
+    // This is done after turning the layer LED red, if we're caught in a loop
+    // we should get a flashing red light
+    wdt_enable(WDTO_500MS);
+#endif
+
+}
+
+void matrix_scan_kb(void)
+{
+#ifdef WATCHDOG_ENABLE
+    wdt_reset();
+#endif
+#ifdef ISSI_ENABLE
+    // switch/underglow lighting update
+    static uint32_t issi_device = 0;
+    static uint32_t twi_last_ready = 0;
+    if(twi_last_ready > 1000){
+        // Its been way too long since the last ISSI update, reset the I2C bus and start again
+        dprintf("TWI failed to recover, TWI re-init\n");
+        twi_last_ready = 0;
+        TWIInit();
+        force_issi_refresh();
+    }
+    if(isTWIReady()){
+        twi_last_ready = 0;
+        // If the i2c bus is available, kick off the issi update, alternate between devices
+        update_issi(issi_device, issi_device);
+        if(issi_device){
+            issi_device = 0;
+        }else{
+            issi_device = 3;
+        }
+    }else{
+        twi_last_ready++;
+    }
+#endif
+    // Update layer indicator LED
+    //
+    // Not sure how else to reliably do this... TMK has the 'hook_layer_change'
+    // but can't find QMK equiv
+    static uint32_t layer_indicator = -1;
+    if(layer_indicator != layer_state){
+        for(uint32_t i=0;; i++){
+            // the layer_info list should end with layer 0xFFFFFFFF
+            // it will break this out of the loop and define the unknown layer color
+            if((layer_info[i].layer == (layer_state & layer_info[i].mask)) || (layer_info[i].layer == 0xFFFFFFFF)){
+                OCR1A = layer_info[i].color.red;
+                OCR1B = layer_info[i].color.green;
+                OCR1C = layer_info[i].color.blue;
+                layer_indicator = layer_state;
+                break;
+            }
+        }
+    }
+    matrix_scan_user();
+}
+
+void click(uint16_t freq, uint16_t duration){
+#ifdef AUDIO_ENABLE
+    if(freq >= 100 && freq <= 20000 && duration < 100){
+        play_note(freq, 10);
+        for (uint16_t i = 0; i < duration; i++){
+            _delay_ms(1);
+        }
+        stop_all_notes();
+    }
+#endif
+}
+
+bool process_record_kb(uint16_t keycode, keyrecord_t* record)
+{
+    if (click_toggle && record->event.pressed){
+        click(click_hz, click_time);
+    }
+    if (keycode == RESET) {
+        reset_keyboard_kb();
+    } else {
+    }
+    return process_record_user(keycode, record);
+}
+
+void action_function(keyrecord_t *event, uint8_t id, uint8_t opt)
+{
+#ifdef AUDIO_ENABLE
+    int8_t sign = 1;
+#endif
+    if(id == LFK_ESC_TILDE){
+        // Send ~ on shift-esc
+        void (*method)(uint8_t) = (event->event.pressed) ? &add_key : &del_key;
+        uint8_t shifted = get_mods() & (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT));
+        if(layer_state == 0){
+            method(shifted ? KC_GRAVE : KC_ESCAPE);
+        }else{
+            method(shifted ? KC_ESCAPE : KC_GRAVE);
+        }
+        send_keyboard_report();
+    }else if(event->event.pressed){
+        switch(id){
+            case LFK_SET_DEFAULT_LAYER:
+                // set/save the current base layer to eeprom, falls through to LFK_CLEAR
+                eeconfig_update_default_layer(1UL << opt);
+                default_layer_set(1UL << opt);
+            case LFK_CLEAR:
+                // Go back to default layer
+                layer_clear();
+                break;
+#ifdef ISSI_ENABLE
+            case LFK_LED_TEST:
+                led_test();
+                break;
+#endif
+#ifdef AUDIO_ENABLE
+            case LFK_CLICK_FREQ_LOWER:
+                sign = -1;  // continue to next statement
+            case LFK_CLICK_FREQ_HIGHER:
+                click_hz += sign * 100;
+                click(click_hz, click_time);
+                break;
+            case LFK_CLICK_TOGGLE:
+                if(click_toggle){
+                    click_toggle = 0;
+                    click(4000, 100);
+                    click(1000, 100);
+                }else{
+                    click_toggle = 1;
+                    click(1000, 100);
+                    click(4000, 100);
+                }
+                break;
+            case LFK_CLICK_TIME_SHORTER:
+                sign = -1;  // continue to next statement
+            case LFK_CLICK_TIME_LONGER:
+                click_time += sign;
+                click(click_hz, click_time);
+                break;
+#endif
+            case LFK_DEBUG_SETTINGS:
+                dprintf("Click:\n");
+                dprintf("  toggle: %d\n", click_toggle);
+                dprintf("  freq(hz): %d\n", click_hz);
+                dprintf("  duration(ms): %d\n", click_time);
+                break;
+        }
+    }
+}
+
+void reset_keyboard_kb(){
+#ifdef WATCHDOG_ENABLE
+    MCUSR = 0;
+    wdt_disable();
+    wdt_reset();
+#endif
+    OCR1A = 0x0000; // B5 - Red
+    OCR1B = 0x0FFF; // B6 - Green
+    OCR1C = 0x0FFF; // B7 - Blue
+    reset_keyboard();
+}
+
+void led_set_kb(uint8_t usb_led)
+{
+    // put your keyboard LED indicator (ex: Caps Lock LED) toggling code here
+
+    led_set_user(usb_led);
+}
+
+// LFK lighting info
+const uint8_t switch_matrices[] = {0, 1};
+const uint8_t rgb_matrices[] = {6, 7};
+const uint8_t rgb_sequence[] = {
+    12, 11, 10, 9, 16, 32, 31, 30, 28, 25, 24, 22, 21,
+    20, 19, 18, 17, 1, 2, 3, 4, 5, 6, 7, 8, 14, 13
+};
+// Maps switch LEDs from Row/Col to ISSI matrix.
+// Value breakdown:
+//     Bit     | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
+//            /    \ ISSI Col  |    ISSI Row   |
+//          matrix idx
+const uint8_t switch_leds[MATRIX_ROWS][MATRIX_COLS] =
+KEYMAP(
+  0x19, 0x18,   0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x99, 0x98, 0x97, 0x96, 0x95, 0x94,   0x93,   0x92, 0x91,
+  0x29, 0x28,    0x27,  0x26, 0x25, 0x24, 0x23, 0x22, 0x21, 0xA9, 0xA8, 0xA7, 0xA6, 0xA5, 0xA4, 0xA3,   0xA2, 0xA1,
+  0x39, 0x38,      0x37,  0x36, 0x35, 0x34, 0x33, 0x32, 0x31, 0xB9, 0xB8, 0xB7, 0xB6, 0xB5,     0xB3,
+  0x49, 0x48,    0x47,     0x45, 0x44, 0x43, 0x42, 0x41, 0xC9, 0xC8, 0xC7, 0xC6, 0xC5,          0xC4,   0xC2,
+  0x59, 0x58,   0x57,  0x56,  0x55,             0x51,                   0xD6, 0xE5, 0xE4,         0xE3, 0xE2, 0xE1);
diff --git a/keyboards/lfkeyboards/lfk78/lfk78.h b/keyboards/lfkeyboards/lfk78/lfk78.h
new file mode 100644
index 0000000000..47ad745318
--- /dev/null
+++ b/keyboards/lfkeyboards/lfk78/lfk78.h
@@ -0,0 +1,155 @@
+#ifndef LFK78_H
+#define LFK78_H
+
+/* if the kb.h file exists (because we're running from qmkbuilder) include it */
+#if __has_include("kb.h")
+#include "kb.h"
+#endif
+
+#include "quantum.h"
+#include "matrix.h"
+#include <avr/sfr_defs.h>
+
+#ifndef cbi
+#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
+#endif
+
+#ifndef sbi
+#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
+#endif
+
+
+typedef struct RGB_Color {
+    uint16_t red;
+    uint16_t green;
+    uint16_t blue;
+} RGB_Color;
+
+typedef struct Layer_Info {
+    uint32_t layer;
+    uint32_t mask;
+    RGB_Color color;
+} Layer_Info;
+
+extern const uint32_t layer_count;
+extern const Layer_Info layer_info[];
+
+enum action_functions {
+    LFK_CLEAR = 0,          // Resets all layers
+    LFK_ESC_TILDE,          // esc+lshift = ~
+    LFK_SET_DEFAULT_LAYER,  // changes and saves current base layer to eeprom
+    LFK_CLICK_TOGGLE,       // Adjusts click duration
+    LFK_CLICK_FREQ_HIGHER,  // Adjusts click frequency
+    LFK_CLICK_FREQ_LOWER,   // Adjusts click frequency
+    LFK_CLICK_TIME_LONGER,  // Adjusts click duration
+    LFK_CLICK_TIME_SHORTER, // Adjusts click duration
+    LFK_DEBUG_SETTINGS,     // prints LED and click settings to HID
+    LFK_LED_TEST            // cycles through switch and RGB LEDs
+};
+
+#define CLICK_HZ 500
+#define CLICK_MS 2
+#define CLICK_ENABLED 0
+
+void reset_keyboard_kb(void);
+void click(uint16_t freq, uint16_t duration);
+
+#ifdef LFK_REV_B
+    /* RevB Keymap */
+    // This a shortcut to help you visually see your layout.
+    /*
+    * ,---------.  ,-----------------------------------------------------------------------.  ,---------.
+    * |  0 |  1 |  |  2 |  3 |  4 |  5 |  6 |  7 | 50 | 51 | 52 | 53 | 54 | 55 | 56 |   57 |  | 94 | 95 |
+    * |---------|  |-----------------------------------------------------------------------|  |---------|
+    * | 10 | 11 |  | 12  | 13 | 14 | 15 | 16 |  17 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 |  | 96 | 97 |
+    * |---------|  |-----------------------------------------------------------------------|  `---------'
+    * | 20 | 21 |  | 22    | 23 | 24 | 25 | 26 | 27 | 70 | 71 | 72 | 73 | 74 | 75 |     76 |
+    * |---------|  |-----------------------------------------------------------------------|  ,----.
+    * | 30 | 31 |  | 32      | 33 | 34 | 35 | 36 | 37 | 80 | 81 | 82 | 83 | 84 |        85 |  | 86 |
+    * |---------|  |-------------------------------------------------------------------------------------.
+    * | 40 | 41 |  | 42  | 43  | 44 |               45                |  46 |  47 |  90 | | 91 | 92 | 93 |
+    * `---------'  `--------------------------------------------------------------------' `--------------'
+    */
+    // The first section contains all of the arguements
+    // The second converts the arguments into a two-dimensional array
+    #define KEYMAP( \
+        k00, k01,   k02, k03, k04, k05, k06, k07, k50, k51, k52, k53, k54, k55, k56, k57,   k94, k95, \
+        k10, k11,   k12, k13, k14, k15, k16, k17, k60, k61, k62, k63, k64, k65, k66, k67,   k96, k97, \
+        k20, k21,   k22, k23, k24, k25, k26, k27, k70, k71, k72, k73, k74, k75, k76, \
+        k30, k31,   k32, k33, k34, k35, k36, k37, k80, k81, k82, k83, k84, k85, k86, \
+        k40, k41,   k42, k43, k44, k45, k46, k47, k90, k91, k92, k93 \
+    ) { \
+        { k00, k01, k02, k03, k04, k05, k06, k07, }, \
+        { k10, k11, k12, k13, k14, k15, k16, k17, }, \
+        { k20, k21, k22, k23, k24, k25, k26, k27, }, \
+        { k30, k31, k32, k33, k34, k35, k36, k37, }, \
+        { k40, k41, k42, k43, k44, k45, k46, k47, }, \
+        { k50, k51, k52, k53, k54, k55, k56, k57, }, \
+        { k60, k61, k62, k63, k64, k65, k66, k67, }, \
+        { k70, k71, k72, k73, k74, k75, k76, KC_NO,}, \
+        { k80, k81, k82, k83, k84, k85, k86, KC_NO,}, \
+        { k90, k91, k92, k93, k94, k95, k96, k97, }, \
+    }
+#else
+    /* RevC/D Keymap */
+    // This a shortcut to help you visually see your layout.
+    /*
+    * ,---------.  ,-----------------------------------------------------------------------.  ,---------.
+    * | 11 | 12 |  | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C | 1D | 1E | 1F |   1G |  | 1H | 1I |
+    * |---------|  |-----------------------------------------------------------------------|  |---------|
+    * | 21 | 22 |  | 23  | 24 | 25 | 26 | 27 | 28 | 29 | 2A | 2B | 2C | 2D | 2E | 2F |  2G |  | 2H | 2I |
+    * |---------|  |-----------------------------------------------------------------------|  `---------'
+    * | 31 | 32 |  | 33    | 34 | 35 | 36 | 37 | 38 | 39 | 3A | 3B | 3C | 3D | 3E |     3F |
+    * |---------|  |-----------------------------------------------------------------------|  ,----.
+    * | 41 | 42 |  | 43      | 45 | 46 | 47 | 48 | 49 | 4A | 4B | 4C | 4D | 4E |        4F |  | 4H |
+    * |---------|  |-------------------------------------------------------------------------------------.
+    * | 51 | 52 |  | 53  | 54  | 55 |               59                |  5D |  5E |  5F | | 5G | 5H | 5I |
+    * `---------'  `--------------------------------------------------------------------' `--------------'
+    */
+    // The first section contains all of the arguements
+    // The second converts the arguments into a two-dimensional array
+    #define KEYMAP( \
+        k11, k12,   k13, k14, k15, k16, k17, k18, k19, k1A, k1B, k1C, k1D, k1E, k1F, k1G,   k1H, k1I, \
+        k21, k22,   k23, k24, k25, k26, k27, k28, k29, k2A, k2B, k2C, k2D, k2E, k2F, k2G,   k2H, k2I, \
+        k31, k32,   k33, k34, k35, k36, k37, k38, k39, k3A, k3B, k3C, k3D, k3E,      k3F, \
+        k41, k42,   k43,  k45, k46, k47, k48, k49, k4A, k4B, k4C, k4D, k4E,          k4F,   k4H, \
+        k51, k52,   k53, k54, k55,              k59,                  k5D, k5E, k5F,   k5G, k5H, k5I \
+    ) { \
+        {k11, k12,   k13, k14, k15, k16, k17, k18, k19, k1A, k1B, k1C, k1D, k1E, k1F, k1G,   k1H, k1I}, \
+        {k21, k22,   k23, k24, k25, k26, k27, k28, k29, k2A, k2B, k2C, k2D, k2E, k2F, k2G,   k2H, k2I}, \
+        {k31, k32,   k33, k34, k35, k36, k37, k38, k39, k3A, k3B, k3C, k3D, k3E, k3F, KC_NO,   KC_NO, KC_NO}, \
+        {k41, k42,   k43, KC_NO, k45, k46, k47, k48, k49, k4A, k4B, k4C, k4D, k4E, k4F, KC_NO,   k4H, KC_NO}, \
+        {k51, k52,   k53, k54, k55, KC_NO, KC_NO, KC_NO, k59, KC_NO, KC_NO, KC_NO, k5D, k5E, k5F, k5G,   k5H, k5I} \
+    }
+
+    #define SPLIT_SHIFT_KEYMAP( \
+        k11, k12,   k13, k14, k15, k16, k17, k18, k19, k1A, k1B, k1C, k1D, k1E, k1F, k1G,   k1H, k1I, \
+        k21, k22,   k23, k24, k25, k26, k27, k28, k29, k2A, k2B, k2C, k2D, k2E, k2F, k2G,   k2H, k2I, \
+        k31, k32,   k33, k34, k35, k36, k37, k38, k39, k3A, k3B, k3C, k3D, k3E,      k3F, \
+        k41, k42,   k43,  k45, k46, k47, k48, k49, k4A, k4B, k4C, k4D, k4E,     k4F, k4G,   k4H, \
+        k51, k52,   k53, k54, k55,              k59,                  k5D, k5E, k5F,   k5G, k5H, k5I \
+    ) { \
+        {k11, k12,   k13, k14, k15, k16, k17, k18, k19, k1A, k1B, k1C, k1D, k1E, k1F, k1G,   k1H, k1I}, \
+        {k21, k22,   k23, k24, k25, k26, k27, k28, k29, k2A, k2B, k2C, k2D, k2E, k2F, k2G,   k2H, k2I}, \
+        {k31, k32,   k33, k34, k35, k36, k37, k38, k39, k3A, k3B, k3C, k3D, k3E, k3F, KC_NO,   KC_NO, KC_NO}, \
+        {k41, k42,   k43, KC_NO, k45, k46, k47, k48, k49, k4A, k4B, k4C, k4D, k4E, k4F, k4G,   k4H, KC_NO}, \
+        {k51, k52,   k53, k54, k55, KC_NO, KC_NO, KC_NO, k59, KC_NO, KC_NO, KC_NO, k5D, k5E, k5F, k5G,   k5H, k5I} \
+    }
+
+    #define ISO_KEYMAP( \
+        k11, k12,   k13, k14, k15, k16, k17, k18, k19, k1A, k1B, k1C, k1D, k1E, k1F, k1G,   k1H, k1I, \
+        k21, k22,   k23, k24, k25, k26, k27, k28, k29, k2A, k2B, k2C, k2D, k2E, k2F, k2G,   k2H, k2I, \
+        k31, k32,   k33, k34, k35, k36, k37, k38, k39, k3A, k3B, k3C, k3D, k3E, k3F,     \
+        k41, k42,   k43, k44, k45, k46, k47, k48, k49, k4A, k4B, k4C, k4D, k4E,          k4F,   k4H, \
+        k51, k52,   k53, k54, k55,              k59,                  k5D, k5E, k5F,   k5G, k5H, k5I \
+    ) { \
+        {k11, k12,   k13, k14, k15, k16, k17, k18, k19, k1A, k1B, k1C, k1D, k1E, k1F, k1G,   k1H, k1I}, \
+        {k21, k22,   k23, k24, k25, k26, k27, k28, k29, k2A, k2B, k2C, k2D, k2E, k2F, k2G,   k2H, k2I}, \
+        {k31, k32,   k33, k34, k35, k36, k37, k38, k39, k3A, k3B, k3C, k3D, k3E, k3F, KC_NO,   KC_NO, KC_NO}, \
+        {k41, k42,   k43, k44, k45, k46, k47, k48, k49, k4A, k4B, k4C, k4D, k4E, k4F, KC_NO,   k4H, KC_NO}, \
+        {k51, k52,   k53, k54, k55, KC_NO, KC_NO, KC_NO, k59, KC_NO, KC_NO, KC_NO, k5D, k5E, k5F, k5G,   k5H, k5I} \
+    }
+
+#endif //LFK_REV_B
+
+#endif //LFK78_H
diff --git a/keyboards/lfkeyboards/lfk78/readme.md b/keyboards/lfkeyboards/lfk78/readme.md
new file mode 100644
index 0000000000..e05390f9c3
--- /dev/null
+++ b/keyboards/lfkeyboards/lfk78/readme.md
@@ -0,0 +1,14 @@
+LFK78/68
+===
+
+A 65% keyboard similar to the MagicForce68 or VA68M. Optional fuction key block on left side.
+
+Keyboard Maintainer: [LFKeyboards](https://github.com/lfkeyboards)  
+Hardware Supported: LFK78/68 RevB - RevJ, SMK78/68  
+Hardware Availability: [LFKeyboards.com](https://www.lfkeyboards.com/)
+
+Make example for this keyboard (after setting up your build environment):
+
+    make lfkeyboards/lfk78:default
+
+See [build environment setup](https://docs.qmk.fm/build_environment_setup.html) then the [make instructions](https://docs.qmk.fm/make_instructions.html) for more information.
\ No newline at end of file
diff --git a/keyboards/lfkeyboards/lfk78/rules.mk b/keyboards/lfkeyboards/lfk78/rules.mk
new file mode 100644
index 0000000000..091cd77556
--- /dev/null
+++ b/keyboards/lfkeyboards/lfk78/rules.mk
@@ -0,0 +1,34 @@
+# Set the LFK78 hardware version.
+#
+# B   - first public release, uses atmega32u4, has audio, ISSI matrix split between RGB and backlight
+# C-H - at90usb1286, no audio, ISSI device 0 is backlight, 4 is RGB
+# J   - at90usb646, C6 audio, ISSI device 0 is backlight, 4 is RGB
+LFK_REV = J
+
+ifeq ($(LFK_REV), B)
+    MCU = atmega32u4
+    OPT_DEFS += -DBOOTLOADER_SIZE=4096
+else ifeq ($(LFK_REV), J)
+    MCU = at90usb646
+    OPT_DEFS += -DBOOTLOADER_SIZE=4096
+else
+    MCU = at90usb1286
+    OPT_DEFS += -DBOOTLOADER_SIZE=8192
+endif
+OPT_DEFS += -DLFK_REV_$(LFK_REV)
+OPT_DEFS += -DLFK_REV_STRING=\"Rev$(LFK_REV)\"
+
+# Extra source files for IS3731 lighting
+SRC = TWIlib.c issi.c lighting.c
+
+# Processor frequency.
+F_CPU = 16000000
+
+# Target architecture (see library "Board Types" documentation).
+ARCH = AVR8
+
+# Input clock frequency.
+F_USB = $(F_CPU)
+
+# Interrupt driven control endpoint task(+60)
+OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT