Merge upstream master

1 files changed, 115 insertions, 0 deletions

diff --git a/keyboards/ploopyco/trackball_nano/trackball_nano.c b/keyboards/ploopyco/trackball_nano/trackball_nano.c
new file mode 100644
index 0000000000..366918e134
--- /dev/null
+++ b/keyboards/ploopyco/trackball_nano/trackball_nano.c
@@ -0,0 +1,115 @@
+/* Copyright 2021 Colin Lam (Ploopy Corporation)
+ * Copyright 2020 Christopher Courtney, aka Drashna Jael're  (@drashna) <drashna@live.com>
+ * Copyright 2019 Sunjun Kim
+ * Copyright 2019 Hiroyuki Okada
+ *
+ * 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/>.
+ */
+
+#include "trackball_nano.h"
+#include "wait.h"
+
+#ifndef OPT_DEBOUNCE
+#    define OPT_DEBOUNCE 5  // (ms) 			Time between scroll events
+#endif
+
+#ifndef SCROLL_BUTT_DEBOUNCE
+#    define SCROLL_BUTT_DEBOUNCE 100  // (ms) 			Time between scroll events
+#endif
+
+#ifndef OPT_THRES
+#    define OPT_THRES 150  // (0-1024) 	Threshold for actication
+#endif
+
+#ifndef OPT_SCALE
+#    define OPT_SCALE 1  // Multiplier for wheel
+#endif
+
+#ifndef PLOOPY_DPI_OPTIONS
+#    define PLOOPY_DPI_OPTIONS \
+        { 375, 750, 1375 }
+#    ifndef PLOOPY_DPI_DEFAULT
+#        define PLOOPY_DPI_DEFAULT 2
+#    endif
+#endif
+
+#ifndef PLOOPY_DPI_DEFAULT
+#    define PLOOPY_DPI_DEFAULT 2
+#endif
+
+keyboard_config_t keyboard_config;
+uint16_t          dpi_array[] = PLOOPY_DPI_OPTIONS;
+#define DPI_OPTION_SIZE ARRAY_SIZE(dpi_array)
+
+void cycle_dpi(void) {
+  keyboard_config.dpi_config = (keyboard_config.dpi_config + 1) % DPI_OPTION_SIZE;
+  pointing_device_set_cpi(dpi_array[keyboard_config.dpi_config]);
+#ifdef CONSOLE_ENABLE
+  uprintf("DPI is now %d\n", dpi_array[keyboard_config.dpi_config]);
+#endif
+}
+
+// TODO: Implement libinput profiles
+// https://wayland.freedesktop.org/libinput/doc/latest/pointer-acceleration.html
+// Compile time accel selection
+// Valid options are ACC_NONE, ACC_LINEAR, ACC_CUSTOM, ACC_QUADRATIC
+
+// Trackball State
+bool     is_scroll_clicked = false;
+bool     BurstState        = false;  // init burst state for Trackball module
+uint16_t MotionStart       = 0;      // Timer for accel, 0 is resting state
+
+void pointing_device_init_kb(void) {
+    // set the DPI.
+    pointing_device_set_cpi(dpi_array[keyboard_config.dpi_config]);
+}
+
+// Hardware Setup
+void keyboard_pre_init_kb(void) {
+    // debug_enable = true;
+    // debug_matrix = true;
+    // debug_mouse = true;
+    // debug_encoder = true;
+
+    /* 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 < ARRAY_SIZE(unused_pins); i++) {
+        setPinOutput(unused_pins[i]);
+        writePinLow(unused_pins[i]);
+    }
+#endif
+
+    keyboard_pre_init_user();
+}
+
+void eeconfig_init_kb(void) {
+    keyboard_config.dpi_config = PLOOPY_DPI_DEFAULT;
+    eeconfig_update_kb(keyboard_config.raw);
+    eeconfig_init_user();
+}
+
+void matrix_init_kb(void) {
+    // is safe to just read DPI setting since matrix init
+    // comes before pointing device init.
+    keyboard_config.raw = eeconfig_read_kb();
+    if (keyboard_config.dpi_config > DPI_OPTION_SIZE) {
+        eeconfig_init_kb();
+    }
+    matrix_init_user();
+}