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/*
Copyright 2017 Joshua Broekhuijsen <snipeye+qmk@gmail.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 <stdint.h>
#include "report.h"
#include "host.h"
#include "timer.h"
#include "print.h"
#include "debug.h"
#include "pointing_device.h"
static report_mouse_t mouseReport = {};
__attribute__((weak)) bool has_mouse_report_changed(report_mouse_t new, report_mouse_t old) {
return (new.buttons != old.buttons) ||
(new.x && new.x != old.x) ||
(new.y && new.y != old.y) ||
(new.h && new.h != old.h) ||
(new.v && new.v != old.v);
}
__attribute__((weak)) void pointing_device_init(void) {
// initialize device, if that needs to be done.
}
__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;
old_report = mouseReport;
}
__attribute__((weak)) void pointing_device_task(void) {
// gather info and put it in:
// mouseReport.x = 127 max -127 min
// mouseReport.y = 127 max -127 min
// mouseReport.v = 127 max -127 min (scroll vertical)
// mouseReport.h = 127 max -127 min (scroll horizontal)
// mouseReport.buttons = 0x1F (decimal 31, binary 00011111) max (bitmask for mouse buttons 1-5, 1 is rightmost, 5 is leftmost) 0x00 min
// send the report
pointing_device_send();
}
report_mouse_t pointing_device_get_report(void) { return mouseReport; }
void pointing_device_set_report(report_mouse_t newMouseReport) { mouseReport = newMouseReport; }
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