7 files changed, 37 insertions, 18 deletions
diff --git a/keyboards/ploopyco/mouse/config.h b/keyboards/ploopyco/mouse/config.h
index 6a6713557b..ebd7fed2b6 100644
--- a/keyboards/ploopyco/mouse/config.h
+++ b/keyboards/ploopyco/mouse/config.h
@@ -18,7 +18,6 @@
 
 #pragma once
 
-#include "config_common.h"
 
 /* key matrix size */
 #define MATRIX_ROWS 1
@@ -49,9 +48,6 @@
 
 #define USB_MAX_POWER_CONSUMPTION 100
 
-/* define if matrix has ghost (lacks anti-ghosting diodes) */
-//#define MATRIX_HAS_GHOST
-
 /* disable action features */
 //#define NO_ACTION_LAYER
 //#define NO_ACTION_TAPPING
diff --git a/keyboards/ploopyco/trackball/config.h b/keyboards/ploopyco/trackball/config.h
index 54a301b0d2..a2fd4c8b53 100644
--- a/keyboards/ploopyco/trackball/config.h
+++ b/keyboards/ploopyco/trackball/config.h
@@ -18,7 +18,6 @@
 
 #pragma once
 
-#include "config_common.h"
 
 /* key matrix size */
 #define MATRIX_ROWS 1
@@ -28,9 +27,6 @@
 /* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
 #define DEBOUNCE 5
 
-/* define if matrix has ghost (lacks anti-ghosting diodes) */
-//#define MATRIX_HAS_GHOST
-
 /* disable action features */
 //#define NO_ACTION_LAYER
 //#define NO_ACTION_TAPPING
diff --git a/keyboards/ploopyco/trackball_mini/config.h b/keyboards/ploopyco/trackball_mini/config.h
index bf7570f364..008fd22909 100644
--- a/keyboards/ploopyco/trackball_mini/config.h
+++ b/keyboards/ploopyco/trackball_mini/config.h
@@ -19,7 +19,6 @@
 
 #pragma once
 
-#include "config_common.h"
 
 /* key matrix size */
 #define MATRIX_ROWS 1
@@ -29,9 +28,6 @@
 /* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
 #define DEBOUNCE 5
 
-/* define if matrix has ghost (lacks anti-ghosting diodes) */
-//#define MATRIX_HAS_GHOST
-
 /* disable action features */
 //#define NO_ACTION_LAYER
 //#define NO_ACTION_TAPPING
diff --git a/keyboards/ploopyco/trackball_nano/config.h b/keyboards/ploopyco/trackball_nano/config.h
index fb340a4ec3..41cd2e9fa7 100644
--- a/keyboards/ploopyco/trackball_nano/config.h
+++ b/keyboards/ploopyco/trackball_nano/config.h
@@ -19,7 +19,6 @@
 
 #pragma once
 
-#include "config_common.h"
 
 /* key matrix size */
 #define MATRIX_ROWS 1
diff --git a/keyboards/ploopyco/trackball_thumb/config.h b/keyboards/ploopyco/trackball_thumb/config.h
index 97553a7959..8fc084c38c 100644
--- a/keyboards/ploopyco/trackball_thumb/config.h
+++ b/keyboards/ploopyco/trackball_thumb/config.h
@@ -18,11 +18,6 @@
 
 #pragma once
 
-#include "config_common.h"
-
-/* define if matrix has ghost (lacks anti-ghosting diodes) */
-//#define MATRIX_HAS_GHOST
-
 /* disable action features */
 //#define NO_ACTION_LAYER
 //#define NO_ACTION_TAPPING
diff --git a/keyboards/ploopyco/trackball_thumb/rev1_001/config.h b/keyboards/ploopyco/trackball_thumb/rev1_001/config.h
new file mode 100644
index 0000000000..a648e8e8e4
--- /dev/null
+++ b/keyboards/ploopyco/trackball_thumb/rev1_001/config.h
@@ -0,0 +1,24 @@
+/* Copyright 2021 Colin Lam (Ploopy Corporation)
+ * Copyright 2020 Christopher Courtney, aka Drashna Jael're  (@drashna) <drashna@live.com>
+ * Copyright 2019 Sunjun Kim
+ *
+ * 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
+
+// These pins are not broken out, and cannot be used normally.
+// They are set as output and pulled high, by default
+#define UNUSABLE_PINS \
+    { D1, D3, B4, B7, D6, C7, F6, F5, F3, F7 }
diff --git a/keyboards/ploopyco/trackball_thumb/trackball_thumb.c b/keyboards/ploopyco/trackball_thumb/trackball_thumb.c
index 4a90ced8eb..bbc782da45 100644
--- a/keyboards/ploopyco/trackball_thumb/trackball_thumb.c
+++ b/keyboards/ploopyco/trackball_thumb/trackball_thumb.c
@@ -188,6 +188,19 @@ void keyboard_pre_init_kb(void) {
     setPinInput(OPT_ENC1);
     setPinInput(OPT_ENC2);
 
+    /* Ground all output pins connected to ground. This provides additional
+     * pathways to ground. If you're messing with this, know this: driving ANY
+     * of these pins high will cause a short. On the MCU. Ka-blooey.
+     */
+#ifdef UNUSABLE_PINS
+    const pin_t unused_pins[] = UNUSABLE_PINS;
+
+    for (uint8_t i = 0; i < (sizeof(unused_pins) / sizeof(pin_t)); i++) {
+        setPinOutput(unused_pins[i]);
+        writePinLow(unused_pins[i]);
+    }
+#endif
+
     // This is the debug LED.
 #if defined(DEBUG_LED_PIN)
     setPinOutput(DEBUG_LED_PIN);