- /* 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 "tractyl_manuform.h"
- #include "transactions.h"
- #include <string.h>
- #include "drivers/sensors/pmw3360.h"
-
- kb_config_data_t kb_config;
- kb_mouse_report_t sync_mouse_report;
-
- void kb_pointer_sync_handler(uint8_t initiator2target_buffer_size, const void* initiator2target_buffer, uint8_t target2initiator_buffer_size, void* target2initiator_buffer) {
- if (target2initiator_buffer_size == sizeof(sync_mouse_report)) {
- memcpy(target2initiator_buffer, &sync_mouse_report, sizeof(sync_mouse_report));
- }
- sync_mouse_report.x = 0;
- sync_mouse_report.y = 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;
- }
- }
-
- void keyboard_pre_init_sync(void) {
- memset(&kb_config, 0, sizeof(kb_config));
- memset(&sync_mouse_report, 0, sizeof(sync_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()) {
- pmw_set_cpi(cpi);
- }
- }
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