qmk_firmware/quantum/pointing_device.c
Drashna Jaelre 56e3f06a26
Rework and expand Pointing Device support (#14343)
Co-authored-by: Dasky <32983009+daskygit@users.noreply.github.com>
2021-11-14 22:03:24 -08:00

120 lines
4.5 KiB
C

/* Copyright 2017 Joshua Broekhuijsen <snipeye+qmk@gmail.com>
* 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 "pointing_device.h"
#ifdef MOUSEKEY_ENABLE
# include "mousekey.h"
#endif
#if (defined(POINTING_DEVICE_ROTATION_90) + defined(POINTING_DEVICE_ROTATION_180) + defined(POINTING_DEVICE_ROTATION_270)) > 1
# error More than one rotation selected. This is not supported.
#endif
static report_mouse_t mouseReport = {};
extern const pointing_device_driver_t pointing_device_driver;
__attribute__((weak)) bool has_mouse_report_changed(report_mouse_t new, report_mouse_t old) { return memcmp(&new, &old, sizeof(new)); }
__attribute__((weak)) void pointing_device_init_kb(void) {}
__attribute__((weak)) void pointing_device_init_user(void) {}
__attribute__((weak)) report_mouse_t pointing_device_task_kb(report_mouse_t mouse_report) { return pointing_device_task_user(mouse_report); }
__attribute__((weak)) report_mouse_t pointing_device_task_user(report_mouse_t mouse_report) { return mouse_report; }
__attribute__((weak)) uint8_t pointing_device_handle_buttons(uint8_t buttons, bool pressed, pointing_device_buttons_t button) {
if (pressed) {
buttons |= 1 << (button);
} else {
buttons &= ~(1 << (button));
}
return buttons;
}
__attribute__((weak)) void pointing_device_init(void) {
pointing_device_driver.init();
#ifdef POINTING_DEVICE_MOTION_PIN
setPinInputHigh(POINTING_DEVICE_MOTION_PIN);
#endif
pointing_device_init_kb();
pointing_device_init_user();
}
__attribute__((weak)) void pointing_device_send(void) {
static report_mouse_t old_report = {};
// If you need to do other things, like debugging, this is the place to do it.
if (has_mouse_report_changed(mouseReport, old_report)) {
host_mouse_send(&mouseReport);
}
// send it and 0 it out except for buttons, so those stay until they are explicity over-ridden using update_pointing_device
mouseReport.x = 0;
mouseReport.y = 0;
mouseReport.v = 0;
mouseReport.h = 0;
memcpy(&old_report, &mouseReport, sizeof(mouseReport));
}
__attribute__((weak)) void pointing_device_task(void) {
// Gather report info
#ifdef POINTING_DEVICE_MOTION_PIN
if (!readPin(POINTING_DEVICE_MOTION_PIN))
#endif
mouseReport = pointing_device_driver.get_report(mouseReport);
// 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 = mouseReport.x, y = mouseReport.y;
# if defined(POINTING_DEVICE_ROTATION_90)
mouseReport.x = y;
mouseReport.y = -x;
# elif defined(POINTING_DEVICE_ROTATION_180)
mouseReport.x = -x;
mouseReport.y = -y;
# elif defined(POINTING_DEVICE_ROTATION_270)
mouseReport.x = -y;
mouseReport.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)
mouseReport.x = -mouseReport.x;
#endif
#if defined(POINTING_DEVICE_INVERT_Y)
mouseReport.y = -mouseReport.y;
#endif
// allow kb to intercept and modify report
mouseReport = pointing_device_task_kb(mouseReport);
// combine with mouse report to ensure that the combined is sent correctly
#ifdef MOUSEKEY_ENABLE
report_mouse_t mousekey_report = mousekey_get_report();
mouseReport.buttons = mouseReport.buttons | mousekey_report.buttons;
#endif
pointing_device_send();
}
report_mouse_t pointing_device_get_report(void) { return mouseReport; }
void pointing_device_set_report(report_mouse_t newMouseReport) { mouseReport = newMouseReport; }
uint16_t pointing_device_get_cpi(void) { return pointing_device_driver.get_cpi(); }
void pointing_device_set_cpi(uint16_t cpi) { pointing_device_driver.set_cpi(cpi); }