diff options
Diffstat (limited to 'drivers/sensors/cirque_pinnacle.h')
| -rw-r--r-- | drivers/sensors/cirque_pinnacle.h | 62 |
1 files changed, 45 insertions, 17 deletions
diff --git a/drivers/sensors/cirque_pinnacle.h b/drivers/sensors/cirque_pinnacle.h index c8cb360e03..1c9bf06fd3 100644 --- a/drivers/sensors/cirque_pinnacle.h +++ b/drivers/sensors/cirque_pinnacle.h @@ -2,26 +2,23 @@ #pragma once +#include "cirque_pinnacle_regdefs.h" #include <stdint.h> #include <stdbool.h> -// Convenient way to store and access measurements -typedef struct { - uint16_t xValue; - uint16_t yValue; - uint16_t zValue; - uint8_t buttonFlags; - bool touchDown; -} pinnacle_data_t; +#ifndef CIRQUE_PINNACLE_TIMEOUT +# define CIRQUE_PINNACLE_TIMEOUT 20 // I2C timeout in milliseconds +#endif -void cirque_pinnacle_init(void); -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); +#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 -#ifndef CIRQUE_PINNACLE_TIMEOUT -# define CIRQUE_PINNACLE_TIMEOUT 20 +#define CIRQUE_PINNACLE_DEFAULT_SCALE 1024 +#ifndef CIRQUE_PINNACLE_DIAMETER_MM +# define CIRQUE_PINNACLE_DIAMETER_MM 40 #endif // Coordinate scaling values @@ -43,12 +40,14 @@ void cirque_pinnacle_set_scale(uint16_t scale); #ifndef CIRQUE_PINNACLE_Y_RANGE # define CIRQUE_PINNACLE_Y_RANGE (CIRQUE_PINNACLE_Y_UPPER - CIRQUE_PINNACLE_Y_LOWER) #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 0x2A +# define CIRQUE_PINNACLE_ADDR I2C_ADDRESS_DEFAULT # endif #elif defined(POINTING_DEVICE_DRIVER_cirque_pinnacle_spi) # include "spi_master.h" @@ -72,3 +71,32 @@ void cirque_pinnacle_set_scale(uint16_t scale); # 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 + uint8_t xDelta; + uint8_t yDelta; + uint8_t wheelCount; + uint8_t buttons; +#endif +} pinnacle_data_t; + +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); |