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/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-02-08 Zhangyihong the first version
*/
#ifndef __DRV_TOUCH_H__
#define __DRV_TOUCH_H__
#include "rtthread.h"
#include "rtdevice.h"
#define TOUCH_EVENT_UP (0x01)
#define TOUCH_EVENT_DOWN (0x02)
#define TOUCH_EVENT_MOVE (0x03)
#define TOUCH_EVENT_NONE (0x80)
struct touch_message
{
rt_uint16_t x;
rt_uint16_t y;
rt_uint8_t event;
};
typedef struct touch_message *touch_msg_t;
struct touch_ops
{
void (* isr_enable)(rt_bool_t);
rt_err_t (* read_point)(touch_msg_t);
void (* init)(struct rt_i2c_bus_device *);
void (* deinit)(void);
};
typedef struct touch_ops *touch_ops_t;
struct touch_drivers
{
rt_list_t list;
unsigned char address;
rt_bool_t (*probe)(struct rt_i2c_bus_device *i2c_bus);
rt_sem_t isr_sem;
touch_ops_t ops;
void *user_data;
};
typedef struct touch_drivers *touch_drv_t;
extern void rt_touch_drivers_register(touch_drv_t drv);
#endif
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