- /* Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
- *
- * 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 QMK_KEYBOARD_H
- #include "pointing_device.h"
- #include "transactions.h"
- #include <string.h>
- #ifdef MOUSEKEY_ENABLE
- # include "mousekey.h"
- #endif
-
- // typedef struct {
- // uint16_t device_cpi;
- // } kb_config_data_t;
-
- kb_config_data_t kb_config;
- static report_mouse_t shared_mouse_report;
- extern const pointing_device_driver_t pointing_device_driver;
-
- void kb_pointer_sync_handler(uint8_t initiator2target_buffer_size, const void* initiator2target_buffer, uint8_t target2initiator_buffer_size, void* target2initiator_buffer) {
- shared_mouse_report = pointing_device_driver.get_report(shared_mouse_report);
- memcpy(target2initiator_buffer, &shared_mouse_report, sizeof(report_mouse_t));
- shared_mouse_report.x = 0;
- shared_mouse_report.y = 0;
- shared_mouse_report.h = 0;
- shared_mouse_report.v = 0;
- }
-
- void kb_config_sync_handler(uint8_t initiator2target_buffer_size, const void* initiator2target_buffer, uint8_t target2initiator_buffer_size, void* target2initiator_buffer) {
- if (initiator2target_buffer_size == sizeof(kb_config)) {
- memcpy(&kb_config, initiator2target_buffer, sizeof(kb_config));
- }
-
- static uint16_t cpi = 0;
- // Check if the state values are different
- if (cpi != kb_config.device_cpi) {
- cpi = kb_config.device_cpi;
- if (!is_keyboard_left()) {
- pointing_device_set_cpi(cpi);
- }
- }
- }
-
- void keyboard_pre_init_sync(void) {
- memset(&kb_config, 0, sizeof(kb_config));
- memset(&shared_mouse_report, 0, sizeof(shared_mouse_report));
- }
-
- void keyboard_post_init_sync(void) {
- // Register keyboard state sync split transaction
- transaction_register_rpc(RPC_ID_KB_CONFIG_SYNC, kb_config_sync_handler);
- transaction_register_rpc(RPC_ID_POINTER_STATE_SYNC, kb_pointer_sync_handler);
- }
-
- void housekeeping_task_sync(void) {
- if (is_keyboard_master()) {
- // Keep track of the last state, so that we can tell if we need to propagate to slave
- static kb_config_data_t last_kb_config;
- static uint32_t last_sync = 0;
- bool needs_sync = false;
-
- // Check if the state values are different
- if (memcmp(&kb_config, &last_kb_config, sizeof(kb_config))) {
- needs_sync = true;
- memcpy(&last_kb_config, &kb_config, sizeof(kb_config));
- }
- // Send to slave every 500ms regardless of state change
- if (timer_elapsed32(last_sync) > 500) {
- needs_sync = true;
- }
-
- // Perform the sync if requested
- if (needs_sync) {
- if (transaction_rpc_send(RPC_ID_KB_CONFIG_SYNC, sizeof(kb_config), &kb_config)) {
- last_sync = timer_read32();
- }
- }
- }
- }
-
- void trackball_set_cpi(uint16_t cpi) {
- kb_config.device_cpi = cpi;
- if (!is_keyboard_left()) {
- pointing_device_set_cpi(cpi);
- }
- }
-
- void pointing_device_task(void) {
- if (!is_keyboard_master()) {
- return;
- }
-
- #if defined(POINTING_DEVICE_TASK_THROTTLE)
- static uint32_t last_exec = 0;
- if (timer_elapsed32(last_exec) < 1) {
- return;
- }
- last_exec = timer_read32();
- #endif
-
- report_mouse_t local_report = pointing_device_get_report();
-
- // Gather report info
- #ifdef POINTING_DEVICE_MOTION_PIN
- if (!readPin(POINTING_DEVICE_MOTION_PIN))
- #endif
- #if defined(POINTING_DEVICE_COMBINED)
- local_report = pointing_device_driver.get_report(local_report);
- transaction_rpc_recv(RPC_ID_POINTER_STATE_SYNC, sizeof(report_mouse_t), &shared_mouse_report);
- local_report.x = local_report.x | shared_mouse_report.x;
- local_report.y = local_report.y | shared_mouse_report.y;
- local_report.h = local_report.h | shared_mouse_report.h;
- local_report.v = local_report.v | shared_mouse_report.v;
- #elif defined(POINTING_DEVICE_LEFT)
- if (is_keyboard_left()) {
- local_report = pointing_device_driver.get_report(local_report);
- } else {
- transaction_rpc_recv(RPC_ID_POINTER_STATE_SYNC, sizeof(report_mouse_t), &local_report);
- }
- #elif defined(POINTING_DEVICE_RIGHT)
- if (!is_keyboard_left()) {
- local_report = pointing_device_driver.get_report(local_report);
- } else {
- transaction_rpc_recv(RPC_ID_POINTER_STATE_SYNC, sizeof(report_mouse_t), &local_report);
- }
- #else
- # error "You need to define the side(s) the pointing device is on. POINTING_DEVICE_COMBINED / POINTING_DEVICE_LEFT / POINTING_DEVICE_RIGHT"
- #endif
-
- // Support rotation of the sensor data
- #if defined(POINTING_DEVICE_ROTATION_90) || defined(POINTING_DEVICE_ROTATION_180) || defined(POINTING_DEVICE_ROTATION_270)
- int8_t x = local_report.x, y = local_report.y;
- # if defined(POINTING_DEVICE_ROTATION_90)
- local_report.x = y;
- local_report.y = -x;
- # elif defined(POINTING_DEVICE_ROTATION_180)
- local_report.x = -x;
- local_report.y = -y;
- # elif defined(POINTING_DEVICE_ROTATION_270)
- local_report.x = -y;
- local_report.y = x;
- # else
- # error "How the heck did you get here?!"
- # endif
- #endif
- // Support Inverting the X and Y Axises
- #if defined(POINTING_DEVICE_INVERT_X)
- local_report.x = -local_report.x;
- #endif
- #if defined(POINTING_DEVICE_INVERT_Y)
- local_report.y = -local_report.y;
- #endif
-
- // allow kb to intercept and modify report
- local_report = pointing_device_task_kb(local_report);
- // combine with mouse report to ensure that the combined is sent correctly
- #ifdef MOUSEKEY_ENABLE
- report_mouse_t mousekey_report = mousekey_get_report();
- local_report.buttons = local_report.buttons | mousekey_report.buttons;
- #endif
- #if defined(POINTING_DEVICE_COMBINED)
- local_report.buttons = local_report.buttons | shared_mouse_report.buttons;
- #endif
- pointing_device_set_report(local_report);
- pointing_device_send();
- }
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