56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2018-02-08 Zhangyihong the first version
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*/
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#ifndef __DRV_TOUCH_H__
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#define __DRV_TOUCH_H__
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#include "rtthread.h"
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#include "rtdevice.h"
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#define TOUCH_DBG_LEVEL DBG_LOG
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#define IIC_RETRY_NUM 2
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#define TOUCH_EVENT_UP (0x01)
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#define TOUCH_EVENT_DOWN (0x02)
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#define TOUCH_EVENT_MOVE (0x03)
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#define TOUCH_EVENT_NONE (0x80)
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struct touch_message
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{
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rt_uint16_t x;
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rt_uint16_t y;
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rt_uint8_t event;
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};
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typedef struct touch_message *touch_msg_t;
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struct touch_ops
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{
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void (* isr_enable)(rt_bool_t);
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rt_err_t (* read_point)(touch_msg_t);
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void (* init)(struct rt_i2c_bus_device *);
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void (* deinit)(void);
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};
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typedef struct touch_ops *touch_ops_t;
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struct touch_drivers
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{
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rt_list_t list;
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unsigned char address;
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rt_bool_t (*probe)(struct rt_i2c_bus_device *i2c_bus);
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rt_sem_t isr_sem;
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touch_ops_t ops;
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void *user_data;
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};
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typedef struct touch_drivers *touch_drv_t;
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extern void rt_touch_drivers_register(touch_drv_t drv);
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#endif
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