77 lines
2.0 KiB
C

/* Copyright 2021
*
* 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 "digitizer.h"
digitizer_t digitizer_state = {
.in_range = false,
.tip = false,
.barrel = false,
.x = 0,
.y = 0,
.dirty = false,
};
void digitizer_flush(void) {
if (digitizer_state.dirty) {
host_digitizer_send(&digitizer_state);
digitizer_state.dirty = false;
}
}
void digitizer_in_range_on(void) {
digitizer_state.in_range = true;
digitizer_state.dirty = true;
digitizer_flush();
}
void digitizer_in_range_off(void) {
digitizer_state.in_range = false;
digitizer_state.dirty = true;
digitizer_flush();
}
void digitizer_tip_switch_on(void) {
digitizer_state.tip = true;
digitizer_state.dirty = true;
digitizer_flush();
}
void digitizer_tip_switch_off(void) {
digitizer_state.tip = false;
digitizer_state.dirty = true;
digitizer_flush();
}
void digitizer_barrel_switch_on(void) {
digitizer_state.barrel = true;
digitizer_state.dirty = true;
digitizer_flush();
}
void digitizer_barrel_switch_off(void) {
digitizer_state.barrel = false;
digitizer_state.dirty = true;
digitizer_flush();
}
void digitizer_set_position(float x, float y) {
digitizer_state.x = x;
digitizer_state.y = y;
digitizer_state.dirty = true;
digitizer_flush();
}