127 lines
4.8 KiB
C
127 lines
4.8 KiB
C
// Copyright (c) 2018 Cirque Corp. Restrictions apply. See: www.cirque.com/sw-license
|
|
|
|
#pragma once
|
|
|
|
#include "cirque_pinnacle_regdefs.h"
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include "pointing_device_internal.h"
|
|
#include "pointing_device.h"
|
|
|
|
#ifndef CIRQUE_PINNACLE_TIMEOUT
|
|
# define CIRQUE_PINNACLE_TIMEOUT 20 // I2C timeout in milliseconds
|
|
#endif
|
|
|
|
#define CIRQUE_PINNACLE_ABSOLUTE_MODE 1
|
|
#define CIRQUE_PINNACLE_RELATIVE_MODE 0
|
|
#ifndef CIRQUE_PINNACLE_POSITION_MODE
|
|
# define CIRQUE_PINNACLE_POSITION_MODE CIRQUE_PINNACLE_ABSOLUTE_MODE
|
|
#endif
|
|
|
|
#define CIRQUE_PINNACLE_DEFAULT_SCALE 1024
|
|
#ifndef CIRQUE_PINNACLE_DIAMETER_MM
|
|
# define CIRQUE_PINNACLE_DIAMETER_MM 40
|
|
#endif
|
|
|
|
#if CIRQUE_PINNACLE_POSITION_MODE
|
|
// Coordinate scaling values
|
|
# ifndef CIRQUE_PINNACLE_X_LOWER
|
|
# define CIRQUE_PINNACLE_X_LOWER 127 // min "reachable" X value
|
|
# endif
|
|
# ifndef CIRQUE_PINNACLE_X_UPPER
|
|
# define CIRQUE_PINNACLE_X_UPPER 1919 // max "reachable" X value
|
|
# endif
|
|
# ifndef CIRQUE_PINNACLE_Y_LOWER
|
|
# define CIRQUE_PINNACLE_Y_LOWER 63 // min "reachable" Y value
|
|
# endif
|
|
# ifndef CIRQUE_PINNACLE_Y_UPPER
|
|
# define CIRQUE_PINNACLE_Y_UPPER 1471 // max "reachable" Y value
|
|
# endif
|
|
# ifndef CIRQUE_PINNACLE_X_RANGE
|
|
# define CIRQUE_PINNACLE_X_RANGE (CIRQUE_PINNACLE_X_UPPER - CIRQUE_PINNACLE_X_LOWER)
|
|
# endif
|
|
# ifndef CIRQUE_PINNACLE_Y_RANGE
|
|
# define CIRQUE_PINNACLE_Y_RANGE (CIRQUE_PINNACLE_Y_UPPER - CIRQUE_PINNACLE_Y_LOWER)
|
|
# endif
|
|
# if defined(POINTING_DEVICE_GESTURES_SCROLL_ENABLE)
|
|
# define CIRQUE_PINNACLE_CIRCULAR_SCROLL_ENABLE
|
|
# endif
|
|
#else
|
|
# define CIRQUE_PINNACLE_X_RANGE 256
|
|
# define CIRQUE_PINNACLE_Y_RANGE 256
|
|
# if defined(POINTING_DEVICE_GESTURES_SCROLL_ENABLE)
|
|
# define CIRQUE_PINNACLE_SIDE_SCROLL_ENABLE
|
|
# endif
|
|
#endif
|
|
#if !defined(POINTING_DEVICE_TASK_THROTTLE_MS)
|
|
# define POINTING_DEVICE_TASK_THROTTLE_MS 10 // Cirque Pinnacle in normal operation produces data every 10ms. Advanced configuration for pen/stylus usage might require lower values.
|
|
#endif
|
|
#if defined(POINTING_DEVICE_DRIVER_cirque_pinnacle_i2c)
|
|
# include "i2c_master.h"
|
|
// Cirque's 7-bit I2C Slave Address
|
|
# ifndef CIRQUE_PINNACLE_ADDR
|
|
# define CIRQUE_PINNACLE_ADDR I2C_ADDRESS_DEFAULT
|
|
# endif
|
|
#elif defined(POINTING_DEVICE_DRIVER_cirque_pinnacle_spi)
|
|
# include "spi_master.h"
|
|
# ifndef CIRQUE_PINNACLE_CLOCK_SPEED
|
|
# define CIRQUE_PINNACLE_CLOCK_SPEED 10000000
|
|
# endif
|
|
# ifndef CIRQUE_PINNACLE_SPI_LSBFIRST
|
|
# define CIRQUE_PINNACLE_SPI_LSBFIRST false
|
|
# endif
|
|
# ifndef CIRQUE_PINNACLE_SPI_MODE
|
|
# define CIRQUE_PINNACLE_SPI_MODE 1
|
|
# endif
|
|
# ifndef CIRQUE_PINNACLE_SPI_DIVISOR
|
|
# ifdef __AVR__
|
|
# define CIRQUE_PINNACLE_SPI_DIVISOR (F_CPU / CIRQUE_PINNACLE_CLOCK_SPEED)
|
|
# else
|
|
# define CIRQUE_PINNACLE_SPI_DIVISOR 64
|
|
# endif
|
|
# ifndef CIRQUE_PINNACLE_SPI_CS_PIN
|
|
# ifdef POINTING_DEVICE_CS_PIN
|
|
# define CIRQUE_PINNACLE_SPI_CS_PIN POINTING_DEVICE_CS_PIN
|
|
# else
|
|
# error "No Chip Select pin has been defined -- missing POINTING_DEVICE_CS_PIN or CIRQUE_PINNACLE_SPI_CS_PIN define"
|
|
# endif
|
|
# endif
|
|
# endif
|
|
#endif
|
|
|
|
#define DIVIDE_UNSIGNED_ROUND(numerator, denominator) (((numerator) + ((denominator) / 2)) / (denominator))
|
|
#define CIRQUE_PINNACLE_INCH_TO_PX(inch) (DIVIDE_UNSIGNED_ROUND((inch) * (uint32_t)CIRQUE_PINNACLE_DIAMETER_MM * 10, 254))
|
|
#define CIRQUE_PINNACLE_PX_TO_INCH(px) (DIVIDE_UNSIGNED_ROUND((px) * (uint32_t)254, CIRQUE_PINNACLE_DIAMETER_MM * 10))
|
|
|
|
// Convenient way to store and access measurements
|
|
typedef struct {
|
|
bool valid; // true if valid data was read, false if no data was ready
|
|
#if CIRQUE_PINNACLE_POSITION_MODE
|
|
uint16_t xValue;
|
|
uint16_t yValue;
|
|
uint16_t zValue;
|
|
uint8_t buttonFlags;
|
|
bool touchDown;
|
|
#else
|
|
int16_t xDelta;
|
|
int16_t yDelta;
|
|
int8_t wheelCount;
|
|
uint8_t buttons;
|
|
#endif
|
|
} pinnacle_data_t;
|
|
|
|
#define cirque_pinnacle_i2c_pointing_device_driver cirque_pinnacle_pointing_device_driver
|
|
#define cirque_pinnacle_spi_pointing_device_driver cirque_pinnacle_pointing_device_driver
|
|
const pointing_device_driver_t cirque_pinnacle_pointing_device_driver;
|
|
|
|
void cirque_pinnacle_init(void);
|
|
void cirque_pinnacle_calibrate(void);
|
|
void cirque_pinnacle_cursor_smoothing(bool enable);
|
|
pinnacle_data_t cirque_pinnacle_read_data(void);
|
|
void cirque_pinnacle_scale_data(pinnacle_data_t* coordinates, uint16_t xResolution, uint16_t yResolution);
|
|
uint16_t cirque_pinnacle_get_scale(void);
|
|
void cirque_pinnacle_set_scale(uint16_t scale);
|
|
uint16_t cirque_pinnacle_get_cpi(void);
|
|
void cirque_pinnacle_set_cpi(uint16_t cpi);
|
|
report_mouse_t cirque_pinnacle_get_report(report_mouse_t mouse_report);
|