56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
/*
|
|
* 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_DBG_LEVEL DBG_LOG
|
|
|
|
#define IIC_RETRY_NUM 2
|
|
|
|
#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
|