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