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/*
* COPYRIGHT (C) 2012-2024, Shanghai Real-Thread Technology Co., Ltd
* All rights reserved.
* Change Logs:
* Date Author Notes
* 2018-02-08 RT-Thread the first version
*/
#ifndef __DRV_TOUCH_H__
#define __DRV_TOUCH_H__
#include <stddef.h>
#include "rtthread.h"
#include "rtdevice.h"
#define TOUCH_POLL_MODE (1 << 0)
#define TOUCH_INT_MODE (1 << 1)
struct touch_ops
{
void (*init)(struct rt_i2c_bus_device *);
void (*deinit)(void);
rt_err_t (*read_point)(struct rt_touch_data *touch_data, rt_size_t touch_num);
};
typedef struct touch_ops *touch_ops_t;
struct touch_driver
{
rt_slist_t list;
rt_bool_t (*probe)(struct rt_i2c_bus_device *i2c_bus);
rt_tick_t read_interval;
rt_uint32_t check_mode;
touch_ops_t ops;
void *user_data;
};
typedef struct touch_driver *touch_driver_t;
rt_err_t rt_touch_drivers_register(touch_driver_t drv);
int rt_touch_read(rt_uint16_t addr, void *cmd_buf, size_t cmd_len, void *data_buf, size_t data_len);
int rt_touch_write(rt_uint16_t addr, void *data_buf, size_t data_len);
void touch_coord_convert(int *x, int *y, int range_x, int range_y, int flag);
#endif
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