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diff --git a/keyboards/handwired/tractyl_manuform/tractyl_manuform.c b/keyboards/handwired/tractyl_manuform/tractyl_manuform.c
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+++ b/keyboards/handwired/tractyl_manuform/tractyl_manuform.c
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+/* Copyright 2020 Christopher Courtney <drashna@live.com> (@drashna)
+ *
+ * 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 "tractyl_manuform.h"
+#include "transactions.h"
+#include <string.h>
+#include "drivers/sensors/pmw3360.h"
+
+#ifndef TRACKBALL_DPI_OPTIONS
+# define TRACKBALL_DPI_OPTIONS \
+ { 1200, 1600, 2400 }
+# ifndef TRACKBALL_DPI_DEFAULT
+# define TRACKBALL_DPI_DEFAULT 1
+# endif
+#endif
+#ifndef TRACKBALL_DPI_DEFAULT
+# define TRACKBALL_DPI_DEFAULT 0
+#endif
+
+extern kb_runtime_config_t kb_state;
+extern kb_slave_data_t kb_slave;
+
+keyboard_config_t keyboard_config;
+uint16_t dpi_array[] = TRACKBALL_DPI_OPTIONS;
+#define DPI_OPTION_SIZE (sizeof(dpi_array) / sizeof(uint16_t))
+
+bool BurstState = false; // init burst state for Trackball module
+uint16_t MotionStart = 0; // Timer for accel, 0 is resting state
+
+__attribute__((weak)) void process_mouse_user(report_mouse_t* mouse_report, int16_t x, int16_t y) {
+ mouse_report->x = x;
+ mouse_report->y = y;
+}
+
+__attribute__((weak)) void process_mouse(report_mouse_t* mouse_report) {
+ report_pmw_t data = pmw_read_burst();
+ if (data.isOnSurface && data.isMotion) {
+ // Reset timer if stopped moving
+ if (!data.isMotion) {
+ if (MotionStart != 0) MotionStart = 0;
+ return;
+ }
+
+ // Set timer if new motion
+ if ((MotionStart == 0) && data.isMotion) {
+ if (debug_mouse) dprintf("Starting motion.\n");
+ MotionStart = timer_read();
+ }
+
+ if (debug_mouse) { dprintf("Delt] d: %d t: %u\n", abs(data.dx) + abs(data.dy), MotionStart); }
+ if (debug_mouse) { dprintf("Pre ] X: %d, Y: %d\n", data.dx, data.dy); }
+#if defined(PROFILE_LINEAR)
+ float scale = float(timer_elaspsed(MotionStart)) / 1000.0;
+ data.dx *= scale;
+ data.dy *= scale;
+#elif defined(PROFILE_INVERSE)
+ // TODO
+#else
+ // no post processing
+#endif
+
+ // Wrap to HID size
+ data.dx = constrain(data.dx, -127, 127);
+ data.dy = constrain(data.dy, -127, 127);
+ if (debug_mouse) dprintf("Cons] X: %d, Y: %d\n", data.dx, data.dy);
+ // dprintf("Elapsed:%u, X: %f Y: %\n", i, pgm_read_byte(firmware_data+i));
+
+ mouse_report->x = -data.dx;
+ mouse_report->y = data.dy;
+ }
+}
+
+bool process_record_kb(uint16_t keycode, keyrecord_t* record) {
+ if (!process_record_user(keycode, record)) { return false; }
+
+#ifdef POINTING_DEVICE_ENABLE
+ if (keycode == DPI_CONFIG && record->event.pressed) {
+ if ((get_mods() | get_oneshot_mods()) & MOD_MASK_SHIFT) {
+ keyboard_config.dpi_config = (keyboard_config.dpi_config - 1) % DPI_OPTION_SIZE;
+ } else {
+ keyboard_config.dpi_config = (keyboard_config.dpi_config + 1) % DPI_OPTION_SIZE;
+ }
+ eeconfig_update_kb(keyboard_config.raw);
+ trackball_set_cpi(dpi_array[keyboard_config.dpi_config]);
+ }
+#endif
+
+/* If Mousekeys is disabled, then use handle the mouse button
+ * keycodes. This makes things simpler, and allows usage of
+ * the keycodes in a consistent manner. But only do this if
+ * Mousekeys is not enable, so it's not handled twice.
+ */
+#ifndef MOUSEKEY_ENABLE
+ if (IS_MOUSEKEY_BUTTON(keycode)) {
+ report_mouse_t currentReport = pointing_device_get_report();
+ if (record->event.pressed) {
+ currentReport.buttons |= 1 << (keycode - KC_MS_BTN1);
+ } else {
+ currentReport.buttons &= ~(1 << (keycode - KC_MS_BTN1));
+ }
+ pointing_device_set_report(currentReport);
+ pointing_device_send();
+ }
+#endif
+
+ return true;
+}
+
+// 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.
+ */
+
+ // This is the debug LED.
+#if defined(DEBUG_LED_PIN)
+ setPinOutput(DEBUG_LED_PIN);
+ writePin(DEBUG_LED_PIN, debug_enable);
+#endif
+
+ keyboard_pre_init_user();
+}
+
+#ifdef POINTING_DEVICE_ENABLE
+void pointing_device_init(void) {
+ if (!is_keyboard_left()) {
+ // initialize ball sensor
+ pmw_spi_init();
+ }
+ trackball_set_cpi(dpi_array[keyboard_config.dpi_config]);
+}
+
+static bool has_report_changed(report_mouse_t new, report_mouse_t old) { return (new.buttons != old.buttons) || (new.x&& new.x != old.x) || (new.y&& new.y != old.y) || (new.h&& new.h != old.h) || (new.v&& new.v != old.v); }
+
+void pointing_device_task(void) {
+ report_mouse_t mouse_report = pointing_device_get_report();
+ if (!is_keyboard_left()) { process_mouse(&mouse_report); }
+
+ pointing_device_set_report(mouse_report);
+ pointing_device_send();
+}
+#endif
+
+void eeconfig_init_kb(void) {
+ keyboard_config.dpi_config = TRACKBALL_DPI_DEFAULT;
+#ifdef POINTING_DEVICE_ENABLE
+ trackball_set_cpi(dpi_array[keyboard_config.dpi_config]);
+#endif
+ 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();
+}
+
+#ifdef POINTING_DEVICE_ENABLE
+void pointing_device_send(void) {
+ static report_mouse_t old_report = {};
+ report_mouse_t mouseReport = pointing_device_get_report();
+ if (is_keyboard_master()) {
+ int8_t x = mouseReport.x, y = mouseReport.y;
+ mouseReport.x = 0;
+ mouseReport.y = 0;
+ process_mouse_user(&mouseReport, x, y);
+ if (has_report_changed(mouseReport, old_report)) { host_mouse_send(&mouseReport); }
+ } else {
+ master_mouse_send(mouseReport.x, mouseReport.y);
+ }
+ mouseReport.x = 0;
+ mouseReport.y = 0;
+ mouseReport.v = 0;
+ mouseReport.h = 0;
+ old_report = mouseReport;
+ pointing_device_set_report(mouseReport);
+}
+#endif
+
+#ifdef POINTING_DEVICE_ENABLE
+void master_mouse_send(int8_t x, int8_t y) {
+#ifdef SPLIT_TRANSACTION_IDS_KB
+ kb_slave.mouse_x += x;
+ kb_slave.mouse_y += y;
+#endif
+}
+void trackball_set_cpi(uint16_t cpi) {
+#ifdef SPLIT_TRANSACTION_IDS_KB
+ kb_state.device_cpi = cpi;
+#endif
+ if (!is_keyboard_left()) {
+ pmw_set_cpi(cpi);
+ }
+}
+#endif