6 files changed, 63 insertions, 9 deletions

diff --git a/keyboards/tkw/grandiceps/config.h b/keyboards/tkw/grandiceps/config.h
index 93b6fd02f..e51c9ab22 100644
--- a/keyboards/tkw/grandiceps/config.h
+++ b/keyboards/tkw/grandiceps/config.h
@@ -17,19 +17,17 @@
 
 #include "config_common.h"
 
-
 /* USB Device descriptor parameter */
 #define VENDOR_ID 0xFEED
 #define PRODUCT_ID 0x7812
 #define DEVICE_VER 0x0001
+#define MANUFACTURER tkw
 #define PRODUCT Grandiceps Split
 
 /* key matrix size */
 #define MATRIX_ROWS 10
 #define MATRIX_COLS 6
 
-
-
 #define MATRIX_COL_PINS { B0, A7, A3, A5, A4, A2 }
 #define MATRIX_ROW_PINS { B12, A6, B13, B9, B8 }
 #define MATRIX_COL_PINS_RIGHT { B0, A7, A3, A5, A4, A2 }
@@ -61,7 +59,6 @@
 /* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
 #define DEBOUNCE 5
 
-
 /* disable these deprecated features by default */
 #define NO_ACTION_MACRO
 #define NO_ACTION_FUNCTION
diff --git a/keyboards/tkw/grandiceps/info.json b/keyboards/tkw/grandiceps/info.json
index 4ca41b73a..7a4324ffd 100644
--- a/keyboards/tkw/grandiceps/info.json
+++ b/keyboards/tkw/grandiceps/info.json
@@ -2,7 +2,7 @@
     "keyboard_name": "grandiceps",
     "url": "https://github.com/vattern/grandiceps",
     "maintainer": "vattern",
-    "manufacturer": "TKW",
+    "manufacturer": "tkw",
     "layouts": {
         "LAYOUT": {
             "layout": [
diff --git a/keyboards/tkw/grandiceps/keymaps/default/keymap.c b/keyboards/tkw/grandiceps/keymaps/default/keymap.c
index 121ae1c41..14ae9619e 100644
--- a/keyboards/tkw/grandiceps/keymaps/default/keymap.c
+++ b/keyboards/tkw/grandiceps/keymaps/default/keymap.c
@@ -35,7 +35,8 @@ enum custom_keycodes {
     KC_NXTWD,
     KC_LSTRT,
     KC_LEND,
-    KC_DLINE
+    KC_DLINE,
+    KC_TEAMS
 };
 
 
@@ -61,7 +62,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   KC_ESC,   KC_1,   KC_2,    KC_3,    KC_4,    KC_5,                     KC_6,    KC_7,    KC_8,    KC_9,    KC_0,  KC_MINS,
   KC_DEL,   KC_Q,   KC_W,    KC_E,    KC_R,    KC_T,                     KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,  KC_BSPC,
   KC_TAB,   KC_A,   KC_S,    KC_D,    KC_F,    KC_G,                     KC_H,    KC_J,    KC_K,    KC_L, KC_SCLN,  KC_QUOT,
-  KC_LSFT,  KC_Z,   KC_X,    KC_C,    KC_V,    KC_B, KC_MUTE,     XXXXXXX,KC_N,    KC_M, KC_COMM,  KC_DOT, KC_SLSH,  KC_RSFT,
+  KC_LSFT,  KC_Z,   KC_X,    KC_C,    KC_V,    KC_B, KC_MUTE,     KC_TEAMS,KC_N,    KC_M, KC_COMM,  KC_DOT, KC_SLSH,  KC_RSFT,
                  KC_LGUI,KC_LALT,KC_LCTRL, KC_LOWER, KC_SPC,      KC_ENT,  KC_RAISE, KC_RCTRL, KC_RALT, KC_RGUI
 ),
 /*
@@ -103,7 +104,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
  */
 [_LOWER] = LAYOUT(
   _______,   KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,                       KC_F6,   KC_F7,   KC_F8,   KC_F9,  KC_F10,  KC_F11,
-  KC_GRV,    KC_1,    KC_2,    KC_3,    KC_4,    KC_5,                        KC_6,    KC_7,    KC_8,    KC_9,    KC_0,  KC_F12,
+  KC_GRV,    KC_1,    KC_2,    KC_3,    KC_4,    KC_5,                        KC_6,    KC_7,    KC_8,    KC_9,    KC_0,  KC_NUBS,
   _______, KC_EXLM,   KC_AT, KC_HASH,  KC_DLR, KC_PERC,                       KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_PIPE,
   _______,  KC_EQL, KC_MINS, KC_PLUS, KC_LCBR, KC_RCBR, _______,       _______, KC_LBRC, KC_RBRC, KC_SCLN, KC_COLN, KC_BSLS, _______,
                        _______, _______, _______, _______, _______,       _______, _______, _______, _______, _______
@@ -311,6 +312,18 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
                 unregister_code(KC_Z);
             }
             return false;
+
+        case KC_TEAMS:
+         if (record->event.pressed) {
+              register_mods(mod_config(MOD_LCTL));
+              register_mods(mod_config(MOD_LSFT));
+              register_code(KC_M);
+          } else {
+              unregister_mods(mod_config(MOD_LCTL));
+              unregister_mods(mod_config(MOD_LSFT));
+              unregister_code(KC_M);
+          }
+          return false;
     }
     return true;
 }
@@ -447,7 +460,7 @@ bool encoder_update_user(uint8_t index, bool clockwise){
         switch (get_highest_layer(layer_state)) {
             case _QWERTY:
                 // Scrolling with PageUp and PgDn.
-                if (clockwise) {
+                if (!clockwise) {
                     tap_code16(KC_PGDN);
                 } else {
                     tap_code16(KC_PGUP);
@@ -462,6 +475,7 @@ bool encoder_update_user(uint8_t index, bool clockwise){
                 break;
         }
     }
+
     return true;
 }
 #endif
diff --git a/keyboards/tkw/grandiceps/readme.md b/keyboards/tkw/grandiceps/readme.md
index 894f1c8d7..57a6dac28 100644
--- a/keyboards/tkw/grandiceps/readme.md
+++ b/keyboards/tkw/grandiceps/readme.md
@@ -8,12 +8,26 @@ ARM split keyboard with RGB underglow and encoders.
 * Hardware Supported: f411 blackpill
 * Hardware Availability: [grandiceps](https://github.com/vattern/grandiceps)
 
+There are two versions of the Grandiceps. Please use the appropriate firmware for your board.
+
+* Revision 2 has I2C eeprom and support for a Pimoroni trackball.
+
 Make example for this keyboard (after setting up your build environment):
 
     make tkw/grandiceps:default
+    make tkw/grandiceps/rev2:default
 
 Flashing example for this keyboard:
 
     make tkw/grandiceps:default:flash
+    make tkw/grandiceps/rev2:default:flash
 
 See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
+
+## Bootloader
+
+Enter the bootloader in 3 ways:
+
+* **Bootmagic reset**: Hold down the key at (0,0) in the matrix (usually the top left key or Escape) and plug in the keyboard
+* **Physical reset buttons**: Hold down the BOOT0 button and then briefly press the NRST button on the BlackPill PCB.
+* **Keycode in layout**: Press the key mapped to `RESET` if it is available
diff --git a/keyboards/tkw/grandiceps/rev2/config.h b/keyboards/tkw/grandiceps/rev2/config.h
new file mode 100644
index 000000000..98b762087
--- /dev/null
+++ b/keyboards/tkw/grandiceps/rev2/config.h
@@ -0,0 +1,24 @@
+/* Copyright 2021 Thys de Wet
+ *
+ * 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/>.
+ */
+#pragma once
+
+#undef DEVICE_VER
+#define DEVICE_VER 0x0002
+#undef PRODUCT
+#define PRODUCT Grandiceps Split rev2
+
+#define SPLIT_HAND_PIN B3
+#define EEPROM_I2C_24LC64
diff --git a/keyboards/tkw/grandiceps/rev2/rules.mk b/keyboards/tkw/grandiceps/rev2/rules.mk
new file mode 100644
index 000000000..c8f3f05bd
--- /dev/null
+++ b/keyboards/tkw/grandiceps/rev2/rules.mk
@@ -0,0 +1,5 @@
+EEPROM_DRIVER = i2c
+
+POINTING_DEVICE_ENABLE = yes
+SRC += drivers/sensors/pimoroni_trackball.c
+QUANTUM_LIB_SRC += i2c_master.c