180 lines
6.4 KiB
C
180 lines
6.4 KiB
C
/* Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include QMK_KEYBOARD_H
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#include "pointing_device.h"
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#include "transactions.h"
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#include <string.h>
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#ifdef MOUSEKEY_ENABLE
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# include "mousekey.h"
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#endif
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// typedef struct {
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// uint16_t device_cpi;
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// } kb_config_data_t;
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kb_config_data_t kb_config;
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static report_mouse_t shared_mouse_report;
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extern const pointing_device_driver_t pointing_device_driver;
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void kb_pointer_sync_handler(uint8_t initiator2target_buffer_size, const void* initiator2target_buffer, uint8_t target2initiator_buffer_size, void* target2initiator_buffer) {
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shared_mouse_report = pointing_device_driver.get_report(shared_mouse_report);
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memcpy(target2initiator_buffer, &shared_mouse_report, sizeof(report_mouse_t));
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shared_mouse_report.x = 0;
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shared_mouse_report.y = 0;
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shared_mouse_report.h = 0;
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shared_mouse_report.v = 0;
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}
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void kb_config_sync_handler(uint8_t initiator2target_buffer_size, const void* initiator2target_buffer, uint8_t target2initiator_buffer_size, void* target2initiator_buffer) {
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if (initiator2target_buffer_size == sizeof(kb_config)) {
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memcpy(&kb_config, initiator2target_buffer, sizeof(kb_config));
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}
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static uint16_t cpi = 0;
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// Check if the state values are different
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if (cpi != kb_config.device_cpi) {
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cpi = kb_config.device_cpi;
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if (!is_keyboard_left()) {
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pointing_device_set_cpi(cpi);
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}
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}
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}
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void keyboard_pre_init_sync(void) {
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memset(&kb_config, 0, sizeof(kb_config));
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memset(&shared_mouse_report, 0, sizeof(shared_mouse_report));
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}
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void keyboard_post_init_sync(void) {
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// Register keyboard state sync split transaction
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transaction_register_rpc(RPC_ID_KB_CONFIG_SYNC, kb_config_sync_handler);
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transaction_register_rpc(RPC_ID_POINTER_STATE_SYNC, kb_pointer_sync_handler);
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}
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void housekeeping_task_sync(void) {
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if (is_keyboard_master()) {
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// Keep track of the last state, so that we can tell if we need to propagate to slave
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static kb_config_data_t last_kb_config;
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static uint32_t last_sync = 0;
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bool needs_sync = false;
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// Check if the state values are different
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if (memcmp(&kb_config, &last_kb_config, sizeof(kb_config))) {
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needs_sync = true;
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memcpy(&last_kb_config, &kb_config, sizeof(kb_config));
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}
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// Send to slave every 500ms regardless of state change
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if (timer_elapsed32(last_sync) > 500) {
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needs_sync = true;
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}
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// Perform the sync if requested
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if (needs_sync) {
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if (transaction_rpc_send(RPC_ID_KB_CONFIG_SYNC, sizeof(kb_config), &kb_config)) {
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last_sync = timer_read32();
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}
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}
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}
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}
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void trackball_set_cpi(uint16_t cpi) {
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kb_config.device_cpi = cpi;
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if (!is_keyboard_left()) {
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pointing_device_set_cpi(cpi);
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}
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}
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void pointing_device_task(void) {
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if (!is_keyboard_master()) {
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return;
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}
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#if defined(POINTING_DEVICE_TASK_THROTTLE)
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static uint32_t last_exec = 0;
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if (timer_elapsed32(last_exec) < 1) {
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return;
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}
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last_exec = timer_read32();
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#endif
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report_mouse_t local_report = pointing_device_get_report();
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// Gather report info
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#ifdef POINTING_DEVICE_MOTION_PIN
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if (!readPin(POINTING_DEVICE_MOTION_PIN))
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#endif
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#if defined(POINTING_DEVICE_COMBINED)
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local_report = pointing_device_driver.get_report(local_report);
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transaction_rpc_recv(RPC_ID_POINTER_STATE_SYNC, sizeof(report_mouse_t), &shared_mouse_report);
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local_report.x = local_report.x | shared_mouse_report.x;
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local_report.y = local_report.y | shared_mouse_report.y;
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local_report.h = local_report.h | shared_mouse_report.h;
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local_report.v = local_report.v | shared_mouse_report.v;
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#elif defined(POINTING_DEVICE_LEFT)
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if (is_keyboard_left()) {
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local_report = pointing_device_driver.get_report(local_report);
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} else {
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transaction_rpc_recv(RPC_ID_POINTER_STATE_SYNC, sizeof(report_mouse_t), &local_report);
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}
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#elif defined(POINTING_DEVICE_RIGHT)
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if (!is_keyboard_left()) {
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local_report = pointing_device_driver.get_report(local_report);
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} else {
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transaction_rpc_recv(RPC_ID_POINTER_STATE_SYNC, sizeof(report_mouse_t), &local_report);
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}
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#else
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# error "You need to define the side(s) the pointing device is on. POINTING_DEVICE_COMBINED / POINTING_DEVICE_LEFT / POINTING_DEVICE_RIGHT"
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#endif
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// Support rotation of the sensor data
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#if defined(POINTING_DEVICE_ROTATION_90) || defined(POINTING_DEVICE_ROTATION_180) || defined(POINTING_DEVICE_ROTATION_270)
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int8_t x = local_report.x, y = local_report.y;
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# if defined(POINTING_DEVICE_ROTATION_90)
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local_report.x = y;
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local_report.y = -x;
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# elif defined(POINTING_DEVICE_ROTATION_180)
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local_report.x = -x;
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local_report.y = -y;
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# elif defined(POINTING_DEVICE_ROTATION_270)
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local_report.x = -y;
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local_report.y = x;
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# else
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# error "How the heck did you get here?!"
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# endif
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#endif
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// Support Inverting the X and Y Axises
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#if defined(POINTING_DEVICE_INVERT_X)
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local_report.x = -local_report.x;
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#endif
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#if defined(POINTING_DEVICE_INVERT_Y)
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local_report.y = -local_report.y;
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#endif
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// allow kb to intercept and modify report
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local_report = pointing_device_task_kb(local_report);
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// combine with mouse report to ensure that the combined is sent correctly
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#ifdef MOUSEKEY_ENABLE
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report_mouse_t mousekey_report = mousekey_get_report();
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local_report.buttons = local_report.buttons | mousekey_report.buttons;
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#endif
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#if defined(POINTING_DEVICE_COMBINED)
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local_report.buttons = local_report.buttons | shared_mouse_report.buttons;
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#endif
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pointing_device_set_report(local_report);
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pointing_device_send();
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}
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