[Keymap] Drashna's Keymap Update - Display Edition (#9282)

OLED Display fixes
Add support for RGBLIGHT Layers
Add gaming layer to corn and kyria
RGBLight Startup Animation fixes and improvements (uses matrix_scan now!)
Pimoroni Trackball support added (IT'S RGB!!!)
Fix issues due to code changes

11 files changed, 197 insertions, 168 deletions

diff --git a/users/drashna/.gitlab-ci.yml b/users/drashna/.gitlab-ci.yml
index 7218a21be..71d216267 100644
--- a/users/drashna/.gitlab-ci.yml
+++ b/users/drashna/.gitlab-ci.yml
@@ -7,16 +7,15 @@ QMK Firmware:
     GIT_SUBMODULE_STRATEGY: recursive
   tags:
     - linux
-  image: ubuntu:18.10
+  image: qmkfm/base_container
   before_script:
     - apt-get update -qy
     - apt-get install -y build-essential avr-libc binutils-arm-none-eabi binutils-avr dfu-programmer dfu-util gcc gcc-arm-none-eabi git libnewlib-arm-none-eabi gcc-avr python3 unzip wget zip
     - avr-gcc --version
     - uname -a
   script:
-    - make test:all
     - make planck/rev6:default planck/rev5:default
-    - make keebio/iris/rev2:drashna keebio/iris/rev2:drashna_old ergodox_ez:drashna ergodox_ez:drashna_glow keebio/viterbi/rev1:drashna orthodox/rev1:drashna orthodox/rev3:drashna crkbd:drashna planck/light:drashna planck/rev6:drashna fractal:drashna primekb/prime_m:drashna -j2 --output-sync
+    - make all:drashna -j2
   artifacts:
     name: "$CI_JOB_NAME-$CI_COMMIT_REF_SLUG"
     paths:
diff --git a/users/drashna/config.h b/users/drashna/config.h
index 64b4b64ab..7d83c7884 100644
--- a/users/drashna/config.h
+++ b/users/drashna/config.h
@@ -1,7 +1,7 @@
 #pragma once
 
 // Use custom magic number so that when switching branches, EEPROM always gets reset
-#define EECONFIG_MAGIC_NUMBER (uint16_t)0x1338
+#define EECONFIG_MAGIC_NUMBER (uint16_t)0x1339
 
 /* Set Polling rate to 1000Hz */
 #define USB_POLLING_INTERVAL_MS 1
@@ -98,8 +98,9 @@
 #    define ONESHOT_TIMEOUT 3000
 #endif  // !ONESHOT_TIMEOUT
 
-#ifndef QMK_KEYS_PER_SCAN
-#    define QMK_KEYS_PER_SCAN 4
+#ifdef QMK_KEYS_PER_SCAN
+#    undef QMK_KEYS_PER_SCAN
+#    define QMK_KEYS_PER_SCAN 1
 #endif  // !QMK_KEYS_PER_SCAN
 
 // this makes it possible to do rolling combos (zx) with keys that
diff --git a/users/drashna/drashna.c b/users/drashna/drashna.c
index ba19d4803..5c0f18027 100644
--- a/users/drashna/drashna.c
+++ b/users/drashna/drashna.c
@@ -113,13 +113,9 @@ void shutdown_user(void) {
     rgblight_setrgb_red();
 #endif  // RGBLIGHT_ENABLE
 #ifdef RGB_MATRIX_ENABLE
-#    ifdef __AVR__
     rgb_matrix_set_color_all(0xFF, 0x00, 0x00);
     rgb_matrix_update_pwm_buffers();
-#    else
-    rgb_matrix_sethsv_noeeprom(0, 255, 255);
-    rgb_matrix_mode_noeeprom(1);
-#    endif
+
 #endif  // RGB_MATRIX_ENABLE
     shutdown_keymap();
 }
diff --git a/users/drashna/drashna.h b/users/drashna/drashna.h
index c10ea5114..dd2b02258 100644
--- a/users/drashna/drashna.h
+++ b/users/drashna/drashna.h
@@ -34,6 +34,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #if defined(OLED_DRIVER_ENABLE)
 #    include "oled_stuff.h"
 #endif
+#if defined(PIMORONI_TRACKBALL_ENABLE)
+#    include "pimoroni_trackball.h"
+#endif
 
 /* Define layer names */
 enum userspace_layers {
diff --git a/users/drashna/oled_stuff.c b/users/drashna/oled_stuff.c
index 7580de1d3..6503b970e 100644
--- a/users/drashna/oled_stuff.c
+++ b/users/drashna/oled_stuff.c
@@ -170,6 +170,13 @@ void render_bootmagic_status(void) {
         {{0x95, 0x96, 0}, {0xb5, 0xb6, 0}},
     };
 
+    bool is_bootmagic_on;
+    #ifdef OLED_DISPLAY_128X64
+    is_bootmagic_on = !keymap_config.swap_lctl_lgui;
+    #else
+    is_bootmagic_on = keymap_config.swap_lctl_lgui;
+    #endif
+
     oled_write_P(PSTR(OLED_RENDER_BOOTMAGIC_NAME), false);
 #ifdef OLED_DISPLAY_128X64
     if (keymap_config.swap_lctl_lgui)
@@ -177,11 +184,11 @@ void render_bootmagic_status(void) {
     oled_write_P(PSTR(" "), false);
 #endif
     {
-        oled_write_P(logo[1][0], false);
+        oled_write_P(logo[1][0], is_bootmagic_on);
 #ifdef OLED_DISPLAY_128X64
     } else {
 #endif
-        oled_write_P(logo[0][0], false);
+        oled_write_P(logo[0][0], !is_bootmagic_on);
     }
     oled_write_P(PSTR(" "), false);
 #ifdef OLED_DISPLAY_128X64
@@ -192,11 +199,11 @@ void render_bootmagic_status(void) {
     if (keymap_config.swap_lctl_lgui)
 #endif
     {
-        oled_write_P(logo[1][1], false);
+        oled_write_P(logo[1][1], is_bootmagic_on);
 #ifdef OLED_DISPLAY_128X64
     } else {
 #endif
-        oled_write_P(logo[0][1], false);
+        oled_write_P(logo[0][1], !is_bootmagic_on);
     }
     oled_write_P(PSTR(" "), false);
 #ifdef OLED_DISPLAY_128X64
@@ -233,7 +240,7 @@ __attribute__((weak)) void oled_driver_render_logo(void) {
 }
 
 void render_status_secondary(void) {
-#if !defined(SPLIT_TRANSPORT_MIRROR) || defined(OLED_DRIVER_128x64)
+#if !defined(SPLIT_TRANSPORT_MIRROR) || defined(OLED_DISPLAY_128X64)
     oled_driver_render_logo();
 #endif
 #ifdef SPLIT_TRANSPORT_MIRROR
diff --git a/users/drashna/pimoroni_trackball.c b/users/drashna/pimoroni_trackball.c
new file mode 100644
index 000000000..c5bb560b3
--- /dev/null
+++ b/users/drashna/pimoroni_trackball.c
@@ -0,0 +1,114 @@
+#include "pimoroni_trackball.h"
+#include "i2c_master.h"
+
+static uint8_t scrolling      = 0;
+static int16_t x_offset       = 0;
+static int16_t y_offset       = 0;
+static int16_t h_offset       = 0;
+static int16_t v_offset       = 0;
+static float precisionSpeed = 1;
+
+#ifndef I2C_TIMEOUT
+#    define I2C_TIMEOUT 100
+#endif
+#ifndef MOUSE_DEBOUNCE
+#    define MOUSE_DEBOUNCE 5
+#endif
+
+void trackball_set_rgbw(uint8_t red, uint8_t green, uint8_t blue, uint8_t white) {
+    uint8_t data[] = {0x00, red, green, blue, white};
+    i2c_transmit(TRACKBALL_WRITE, data, sizeof(data), I2C_TIMEOUT);
+}
+
+int16_t mouse_offset(uint8_t positive, uint8_t negative, int16_t scale) {
+    int16_t offset    = (int16_t)positive - (int16_t)negative;
+    int16_t magnitude = (int16_t)(scale * offset * offset * precisionSpeed);
+    return offset < 0 ? -magnitude : magnitude;
+}
+
+void update_member(int8_t* member, int16_t* offset) {
+    if (*offset > 127) {
+        *member = 127;
+        *offset -= 127;
+    } else if (*offset < -127) {
+        *member = -127;
+        *offset += 127;
+    } else {
+        *member = *offset;
+        *offset = 0;
+    }
+}
+
+__attribute__((weak)) void trackball_check_click(bool pressed, report_mouse_t* mouse) {
+    if (pressed) {
+        mouse->buttons |= MOUSE_BTN1;
+    } else {
+        mouse->buttons &= ~MOUSE_BTN1;
+    }
+}
+
+float trackball_get_precision(void) { return precisionSpeed; }
+void    trackball_set_precision(float precision) { precisionSpeed = precision; }
+bool    trackball_is_scrolling(void) { return scrolling; }
+void    trackball_set_scrolling(bool scroll) { scrolling = scroll; }
+
+__attribute__((weak)) void pointing_device_init(void) { trackball_set_rgbw(0x00,0x00,0x00,0x4F); }
+
+void pointing_device_task(void) {
+    static bool debounce;
+    static uint16_t debounce_timer;
+    uint8_t state[5] = {};
+    if (i2c_readReg(TRACKBALL_WRITE, 0x04, state, 5, I2C_TIMEOUT) == I2C_STATUS_SUCCESS) {
+        if (!state[4] && !debounce) {
+            if (scrolling) {
+#ifdef PIMORONI_TRACKBALL_INVERT_X
+                h_offset += mouse_offset(state[2], state[3], 1);
+#else
+                h_offset -= mouse_offset(state[2], state[3], 1);
+#endif
+#ifdef PIMORONI_TRACKBALL_INVERT_Y
+                v_offset += mouse_offset(state[1], state[0], 1);
+#else
+                v_offset -= mouse_offset(state[1], state[0], 1);
+#endif
+            } else {
+#ifdef PIMORONI_TRACKBALL_INVERT_X
+                x_offset -= mouse_offset(state[2], state[3], 5);
+#else
+                x_offset += mouse_offset(state[2], state[3], 5);
+#endif
+#ifdef PIMORONI_TRACKBALL_INVERT_Y
+                y_offset -= mouse_offset(state[1], state[0], 5);
+#else
+                y_offset += mouse_offset(state[1], state[0], 5);
+#endif
+            }
+        } else {
+            if (state[4]) {
+                debounce = true;
+                debounce_timer = timer_read();
+            }
+        }
+    }
+
+    if (timer_elapsed(debounce_timer) > MOUSE_DEBOUNCE) debounce = false;
+
+    report_mouse_t mouse = pointing_device_get_report();
+
+    trackball_check_click(state[4] & (1 << 7), &mouse);
+
+
+#ifndef PIMORONI_TRACKBALL_ROTATE
+    update_member(&mouse.x, &x_offset);
+    update_member(&mouse.y, &y_offset);
+    update_member(&mouse.h, &h_offset);
+    update_member(&mouse.v, &v_offset);
+#else
+    update_member(&mouse.x, &y_offset);
+    update_member(&mouse.y, &x_offset);
+    update_member(&mouse.h, &v_offset);
+    update_member(&mouse.v, &h_offset);
+#endif
+    pointing_device_set_report(mouse);
+    pointing_device_send();
+}
diff --git a/users/drashna/pimoroni_trackball.h b/users/drashna/pimoroni_trackball.h
new file mode 100644
index 000000000..7e8a7cc81
--- /dev/null
+++ b/users/drashna/pimoroni_trackball.h
@@ -0,0 +1,18 @@
+#pragma once
+
+#include "quantum.h"
+#include "pointing_device.h"
+
+#ifndef TRACKBALL_ADDRESS
+#    define TRACKBALL_ADDRESS 0x0A
+#endif
+#define TRACKBALL_WRITE ((TRACKBALL_ADDRESS << 1) | I2C_WRITE)
+#define TRACKBALL_READ  ((TRACKBALL_ADDRESS << 1) | I2C_READ)
+
+void trackball_set_rgbw(uint8_t red, uint8_t green, uint8_t blue, uint8_t white);
+void trackball_check_click(bool pressed, report_mouse_t *mouse);
+
+float trackball_get_precision(void);
+void    trackball_set_precision(float precision);
+bool    trackball_is_scrolling(void);
+void    trackball_set_scrolling(bool scroll);
diff --git a/users/drashna/process_records.c b/users/drashna/process_records.c
index 101b3d95c..8e3d3356e 100644
--- a/users/drashna/process_records.c
+++ b/users/drashna/process_records.c
@@ -51,7 +51,7 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
                     clear_mods();
                     clear_oneshot_mods();
 #endif
-                    send_string_with_delay_P(PSTR("bin/qmk"), TAP_CODE_DELAY);
+                    send_string_with_delay_P(PSTR("qmk"), TAP_CODE_DELAY);
 #ifndef MAKE_BOOTLOADER
                     if ((temp_mod | temp_osm) & MOD_MASK_SHIFT)
 #endif
diff --git a/users/drashna/rgb_matrix_stuff.c b/users/drashna/rgb_matrix_stuff.c
index 0914aab14..c9c3224fa 100644
--- a/users/drashna/rgb_matrix_stuff.c
+++ b/users/drashna/rgb_matrix_stuff.c
@@ -12,14 +12,14 @@ static uint32_t hypno_timer;
 
 void rgb_matrix_layer_helper(uint8_t hue, uint8_t sat, uint8_t val, uint8_t mode, uint8_t speed, uint8_t led_type) {
     HSV hsv = {hue, sat, val};
-    if (hsv.v > rgb_matrix_config.hsv.v) {
-        hsv.v = rgb_matrix_config.hsv.v;
+    if (hsv.v > rgb_matrix_get_val()) {
+        hsv.v = rgb_matrix_get_val();
     }
 
     switch (mode) {
         case 1:  // breathing
         {
-            uint16_t time = scale16by8(g_rgb_counters.tick, speed / 8);
+            uint16_t time = scale16by8(g_rgb_timer, speed / 8);
             hsv.v         = scale8(abs8(sin8(time) - 128) * 2, hsv.v);
             RGB rgb       = hsv_to_rgb(hsv);
             for (uint8_t i = 0; i < DRIVER_LED_TOTAL; i++) {
diff --git a/users/drashna/rgb_stuff.c b/users/drashna/rgb_stuff.c
index 06b1e3c0c..defee9ac1 100644
--- a/users/drashna/rgb_stuff.c
+++ b/users/drashna/rgb_stuff.c
@@ -2,136 +2,13 @@
 #include "rgb_stuff.h"
 #include "eeprom.h"
 
-extern rgblight_config_t rgblight_config;
-bool                     has_initialized;
+bool    has_initialized;
 
-void rgblight_sethsv_default_helper(uint8_t index) { rgblight_sethsv_at(rgblight_config.hue, rgblight_config.sat, rgblight_config.val, index); }
-
-/* Custom indicators for modifiers.
- * This allows for certain lights to be lit up, based on what mods are active, giving some visual feedback.
- * This is especially useful for One Shot Mods, since it's not always obvious if they're still lit up.
- */
-#ifdef INDICATOR_LIGHTS
-void set_rgb_indicators(uint8_t this_mod, uint8_t this_led, uint8_t this_osm) {
-    if (userspace_config.rgb_layer_change && get_highest_layer(layer_state) == 0) {
-        if ((this_mod | this_osm) & MOD_MASK_SHIFT || this_led & (1 << USB_LED_CAPS_LOCK)) {
-#    ifdef SHFT_LED1
-            rgblight_sethsv_at(120, 255, 255, SHFT_LED1);
-#    endif  // SHFT_LED1
-#    ifdef SHFT_LED2
-            rgblight_sethsv_at(120, 255, 255, SHFT_LED2);
-#    endif  // SHFT_LED2
-        } else {
-#    ifdef SHFT_LED1
-            rgblight_sethsv_default_helper(SHFT_LED1);
-#    endif  // SHFT_LED1
-#    ifdef SHFT_LED2
-            rgblight_sethsv_default_helper(SHFT_LED2);
-#    endif  // SHFT_LED2
-        }
-        if ((this_mod | this_osm) & MOD_MASK_CTRL) {
-#    ifdef CTRL_LED1
-            rgblight_sethsv_at(0, 255, 255, CTRL_LED1);
-#    endif  // CTRL_LED1
-#    ifdef CTRL_LED2
-            rgblight_sethsv_at(0, 255, 255, CTRL_LED2);
-#    endif  // CTRL_LED2
-        } else {
-#    ifdef CTRL_LED1
-            rgblight_sethsv_default_helper(CTRL_LED1);
-#    endif  // CTRL_LED1
-#    ifdef CTRL_LED2
-            rgblight_sethsv_default_helper(CTRL_LED2);
-#    endif  // CTRL_LED2
-        }
-        if ((this_mod | this_osm) & MOD_MASK_GUI) {
-#    ifdef GUI_LED1
-            rgblight_sethsv_at(51, 255, 255, GUI_LED1);
-#    endif  // GUI_LED1
-#    ifdef GUI_LED2
-            rgblight_sethsv_at(51, 255, 255, GUI_LED2);
-#    endif  // GUI_LED2
-        } else {
-#    ifdef GUI_LED1
-            rgblight_sethsv_default_helper(GUI_LED1);
-#    endif  // GUI_LED1
-#    ifdef GUI_LED2
-            rgblight_sethsv_default_helper(GUI_LED2);
-#    endif  // GUI_LED2
-        }
-        if ((this_mod | this_osm) & MOD_MASK_ALT) {
-#    ifdef ALT_LED1
-            rgblight_sethsv_at(240, 255, 255, ALT_LED1);
-#    endif  // ALT_LED1
-#    ifdef GUI_LED2
-            rgblight_sethsv_at(240, 255, 255, ALT_LED2);
-#    endif  // GUI_LED2
-        } else {
-#    ifdef GUI_LED1
-            rgblight_sethsv_default_helper(ALT_LED1);
-#    endif  // GUI_LED1
-#    ifdef GUI_LED2
-            rgblight_sethsv_default_helper(ALT_LED2);
-#    endif  // GUI_LED2
-        }
-    }
-}
-
-/* Function for the indicators */
-void matrix_scan_indicator(void) {
-    if (has_initialized) {
-        set_rgb_indicators(get_mods(), host_keyboard_leds(), get_oneshot_mods());
-    }
-}
-#endif  // INDICATOR_LIGHTS
+void rgblight_sethsv_default_helper(uint8_t index) { rgblight_sethsv_at(rgblight_get_hue(), rgblight_get_sat(), rgblight_get_val(), index); }
 
 #ifdef RGBLIGHT_TWINKLE
 static rgblight_fadeout lights[RGBLED_NUM];
 
-__attribute__((weak)) bool rgblight_twinkle_is_led_used_keymap(uint8_t index) { return false; }
-
-/* This function checks for used LEDs.  This way, collisions don't occur and cause weird rendering */
-bool rgblight_twinkle_is_led_used(uint8_t index) {
-    switch (index) {
-#    ifdef INDICATOR_LIGHTS
-#        ifdef SHFT_LED1
-        case SHFT_LED1:
-            return true;
-#        endif  // SHFT_LED1
-#        ifdef SHFT_LED2
-        case SHFT_LED2:
-            return true;
-#        endif  // SHFT_LED2
-#        ifdef CTRL_LED1
-        case CTRL_LED1:
-            return true;
-#        endif  // CTRL_LED1
-#        ifdef CTRL_LED2
-        case CTRL_LED2:
-            return true;
-#        endif  // CTRL_LED2
-#        ifdef GUI_LED1
-        case GUI_LED1:
-            return true;
-#        endif  // GUI_LED1
-#        ifdef GUI_LED2
-        case GUI_LED2:
-            return true;
-#        endif  // GUI_LED2
-#        ifdef ALT_LED1
-        case ALT_LED1:
-            return true;
-#        endif  // ALT_LED1
-#        ifdef ALT_LED2
-        case ALT_LED2:
-            return true;
-#        endif  // ALT_LED2
-#    endif      // INDICATOR_LIGHTS
-        default:
-            return rgblight_twinkle_is_led_used_keymap(index);
-    }
-}
-
 /* Handler for fading/twinkling effect */
 void scan_rgblight_fadeout(void) {  // Don't effing change this function .... rgblight_sethsv is supppppper intensive
     bool litup = false;
@@ -170,9 +47,6 @@ void start_rgb_light(void) {
     uint8_t min_life_index = -1;
 
     for (uint8_t index = 0; index < RGBLED_NUM; ++index) {
-        if (rgblight_twinkle_is_led_used(index)) {
-            continue;
-        }
         if (lights[index].enabled) {
             if (min_life_index == -1 || lights[index].life < min_life) {
                 min_life       = lights[index].life;
@@ -197,7 +71,7 @@ void start_rgb_light(void) {
     light->timer            = timer_read();
     light->life             = 0xC0 + rand() % 0x40;
 
-    light->hue = rgblight_config.hue + (rand() % 0xB4) - 0x54;
+    light->hue = rgblight_get_hue() + (rand() % 0xB4) - 0x54;
 
     rgblight_sethsv_at(light->hue, 255, light->life, light_index);
 }
@@ -227,39 +101,52 @@ bool process_record_user_rgb_light(uint16_t keycode, keyrecord_t *record) {
     return true;
 }
 
+#if defined(RGBLIGHT_STARTUP_ANIMATION)
+static bool is_enabled;
+static bool is_rgblight_startup;
+static uint8_t old_hue;
+static uint16_t rgblight_startup_loop_timer;
+#endif
+
 void keyboard_post_init_rgb_light(void) {
 #if defined(RGBLIGHT_STARTUP_ANIMATION)
-    bool is_enabled = rgblight_config.enable;
+    is_enabled = rgblight_is_enabled();
     if (userspace_config.rgb_layer_change) {
         rgblight_enable_noeeprom();
     }
-    if (rgblight_config.enable) {
+    if (rgblight_is_enabled()) {
         layer_state_set_rgb_light(layer_state);
-        uint16_t old_hue = rgblight_config.hue;
+        old_hue = rgblight_get_hue();
         rgblight_mode_noeeprom(RGBLIGHT_MODE_STATIC_LIGHT);
-        for (uint16_t i = 255; i > 0; i--) {
-            rgblight_sethsv_noeeprom((i + old_hue) % 255, 255, 255);
-            matrix_scan();
-            wait_ms(10);
-        }
+        is_rgblight_startup = true;
     }
-    if (!is_enabled) {
-        rgblight_disable_noeeprom();
-    }
-
 #endif
     layer_state_set_rgb_light(layer_state);
 }
 
 void matrix_scan_rgb_light(void) {
-#ifdef RGBLIGHT_ENABLE
 #    ifdef RGBLIGHT_TWINKLE
     scan_rgblight_fadeout();
 #    endif  // RGBLIGHT_ENABLE
 
-#    ifdef INDICATOR_LIGHTS
-    matrix_scan_indicator();
-#    endif
+#if defined(RGBLIGHT_STARTUP_ANIMATION)
+    if (is_rgblight_startup && is_keyboard_master()) {
+        if (timer_elapsed(rgblight_startup_loop_timer) > 10) {
+            static uint8_t counter;
+            counter++;
+            rgblight_sethsv_noeeprom((counter + old_hue) % 255, 255, 255);
+            rgblight_startup_loop_timer = timer_read();
+            if (counter == 255) {
+                is_rgblight_startup = false;
+                if (!is_enabled) {
+                    rgblight_disable_noeeprom();
+                }
+                if (userspace_config.rgb_layer_change) {
+                    layer_state_set_rgb_light(layer_state);
+                }
+            }
+        }
+    }
 #endif
 }
 
diff --git a/users/drashna/rules.mk b/users/drashna/rules.mk
index 051368ff5..b7523a436 100644
--- a/users/drashna/rules.mk
+++ b/users/drashna/rules.mk
@@ -22,9 +22,6 @@ endif
 
 ifeq ($(strip $(RGBLIGHT_ENABLE)), yes)
     SRC += rgb_stuff.c
-    ifeq ($(strip $(INDICATOR_LIGHTS)), yes)
-        OPT_DEFS += -DINDICATOR_LIGHTS
-    endif
     ifeq ($(strip $(RGBLIGHT_TWINKLE)), yes)
         OPT_DEFS += -DRGBLIGHT_TWINKLE
     endif
@@ -62,3 +59,10 @@ endif
 ifeq ($(strip $(OLED_DRIVER_ENABLE)), yes)
     SRC += oled_stuff.c
 endif
+
+ifeq ($(strip $(PIMORONI_TRACKBALL_ENABLE)), yes)
+    POINTING_DEVICE_ENABLE := yes
+    OPT_DEFS += -DPIMORONI_TRACKBALL_ENABLE
+    SRC += pimoroni_trackball.c
+    QUANTUM_LIB_SRC += i2c_master.c
+endif