74 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			74 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // Copyright (c) 2018 Cirque Corp. Restrictions apply. See: www.cirque.com/sw-license
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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 <stdbool.h>
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| 
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| // Convenient way to store and access measurements
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| typedef struct {
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|     uint16_t xValue;
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|     uint16_t yValue;
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|     uint16_t zValue;
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|     uint8_t  buttonFlags;
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|     bool     touchDown;
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| } pinnacle_data_t;
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| 
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| void            cirque_pinnacle_init(void);
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| pinnacle_data_t cirque_pinnacle_read_data(void);
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| void            cirque_pinnacle_scale_data(pinnacle_data_t* coordinates, uint16_t xResolution, uint16_t yResolution);
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| uint16_t        cirque_pinnacle_get_scale(void);
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| void            cirque_pinnacle_set_scale(uint16_t scale);
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| 
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| #ifndef CIRQUE_PINNACLE_TIMEOUT
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| #    define CIRQUE_PINNACLE_TIMEOUT 20
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| #endif
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| 
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| // Coordinate scaling values
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| #ifndef CIRQUE_PINNACLE_X_LOWER
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| #    define CIRQUE_PINNACLE_X_LOWER 127 // min "reachable" X value
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| #endif
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| #ifndef CIRQUE_PINNACLE_X_UPPER
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| #    define CIRQUE_PINNACLE_X_UPPER 1919 // max "reachable" X value
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| #endif
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| #ifndef CIRQUE_PINNACLE_Y_LOWER
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| #    define CIRQUE_PINNACLE_Y_LOWER 63 // min "reachable" Y value
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| #endif
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| #ifndef CIRQUE_PINNACLE_Y_UPPER
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| #    define CIRQUE_PINNACLE_Y_UPPER 1471 // max "reachable" Y value
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| #endif
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| #ifndef CIRQUE_PINNACLE_X_RANGE
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| #    define CIRQUE_PINNACLE_X_RANGE (CIRQUE_PINNACLE_X_UPPER - CIRQUE_PINNACLE_X_LOWER)
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| #endif
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| #ifndef CIRQUE_PINNACLE_Y_RANGE
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| #    define CIRQUE_PINNACLE_Y_RANGE (CIRQUE_PINNACLE_Y_UPPER - CIRQUE_PINNACLE_Y_LOWER)
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| #endif
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| 
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| #if defined(POINTING_DEVICE_DRIVER_cirque_pinnacle_i2c)
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| #    include "i2c_master.h"
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| // Cirque's 7-bit I2C Slave Address
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| #    ifndef CIRQUE_PINNACLE_ADDR
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| #        define CIRQUE_PINNACLE_ADDR 0x2A
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| #    endif
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| #elif defined(POINTING_DEVICE_DRIVER_cirque_pinnacle_spi)
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| #    include "spi_master.h"
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| #    ifndef CIRQUE_PINNACLE_CLOCK_SPEED
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| #        define CIRQUE_PINNACLE_CLOCK_SPEED 10000000
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| #    endif
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| #    ifndef CIRQUE_PINNACLE_SPI_LSBFIRST
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| #        define CIRQUE_PINNACLE_SPI_LSBFIRST false
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| #    endif
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| #    ifndef CIRQUE_PINNACLE_SPI_MODE
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| #        define CIRQUE_PINNACLE_SPI_MODE 1
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| #    endif
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| #    ifndef CIRQUE_PINNACLE_SPI_DIVISOR
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| #        ifdef __AVR__
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| #            define CIRQUE_PINNACLE_SPI_DIVISOR (F_CPU / CIRQUE_PINNACLE_CLOCK_SPEED)
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| #        else
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| #            define CIRQUE_PINNACLE_SPI_DIVISOR 64
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| #        endif
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| #        ifndef CIRQUE_PINNACLE_SPI_CS_PIN
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| #            error "No Chip Select pin has been defined -- missing CIRQUE_PINNACLE_SPI_CS_PIN define"
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| #        endif
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| #    endif
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| #endif
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