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/* Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
* Copyright 2021 Dasky (@daskygit)
* 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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