62 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Copyright 2020 Christopher Courtney, aka Drashna Jael're  (@drashna) <drashna@live.com>
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|  * Copyright 2021 Dasky (@daskygit)
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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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| #pragma once
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| 
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| #include <stdint.h>
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| #include "report.h"
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| #include "i2c_master.h"
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| 
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| #ifndef PIMORONI_TRACKBALL_ADDRESS
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| #    define PIMORONI_TRACKBALL_ADDRESS 0x0A
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| #endif
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| #ifndef PIMORONI_TRACKBALL_INTERVAL_MS
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| #    define PIMORONI_TRACKBALL_INTERVAL_MS 8
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| #endif
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| #ifndef PIMORONI_TRACKBALL_SCALE
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| #    define PIMORONI_TRACKBALL_SCALE 5
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| #endif
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| #ifndef PIMORONI_TRACKBALL_DEBOUNCE_CYCLES
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| #    define PIMORONI_TRACKBALL_DEBOUNCE_CYCLES 20
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| #endif
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| #ifndef PIMORONI_TRACKBALL_ERROR_COUNT
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| #    define PIMORONI_TRACKBALL_ERROR_COUNT 10
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| #endif
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| 
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| #ifndef PIMORONI_TRACKBALL_TIMEOUT
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| #    define PIMORONI_TRACKBALL_TIMEOUT 100
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| #endif
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| 
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| #ifndef PIMORONI_TRACKBALL_DEBUG_INTERVAL
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| #    define PIMORONI_TRACKBALL_DEBUG_INTERVAL 100
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| #endif
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| 
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| typedef struct {
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|     uint8_t left;
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|     uint8_t right;
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|     uint8_t up;
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|     uint8_t down;
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|     uint8_t click;
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| } pimoroni_data_t;
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| 
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| void         pimironi_trackball_device_init(void);
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| void         pimoroni_trackball_set_rgbw(uint8_t red, uint8_t green, uint8_t blue, uint8_t white);
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| int16_t      pimoroni_trackball_get_offsets(uint8_t negative_dir, uint8_t positive_dir, uint8_t scale);
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| void         pimoroni_trackball_adapt_values(int8_t* mouse, int16_t* offset);
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| float        pimoroni_trackball_get_precision(void);
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| void         pimoroni_trackball_set_precision(float precision);
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| i2c_status_t read_pimoroni_trackball(pimoroni_data_t* data);
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