ft8xx.h

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/*
 * Copyright (c) 2020 Hubert Miś
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_DRIVERS_MISC_FT8XX_FT8XX_H_
#define ZEPHYR_DRIVERS_MISC_FT8XX_FT8XX_H_
 
#include <stdint.h>
#include <zephyr/device.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct ft8xx_touch_transform {
        uint32_t a; /*< Coefficient A of the bitmap transform matrix */
        uint32_t b; /*< Coefficient B of the bitmap transform matrix */
        uint32_t c; /*< Coefficient C of the bitmap transform matrix */
        uint32_t d; /*< Coefficient D of the bitmap transform matrix */
        uint32_t e; /*< Coefficient E of the bitmap transform matrix */
        uint32_t f; /*< Coefficient F of the bitmap transform matrix */
};
 
typedef void (*ft8xx_int_callback)(const struct device *dev, void *user_data);
 
void ft8xx_calibrate(const struct device *dev,
                     struct ft8xx_touch_transform *data);
 
void ft8xx_touch_transform_set(const struct device *dev,
                               const struct ft8xx_touch_transform *data);
 
int ft8xx_get_touch_tag(const struct device *dev);
 
void ft8xx_register_int(const struct device *dev,
                        ft8xx_int_callback callback,
                        void *user_data);
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_DRIVERS_MISC_FT8XX_FT8XX_H_ */