44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
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/*
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* COPYRIGHT (C) 2012-2022, Shanghai Real-Thread Technology Co., Ltd
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* All rights reserved.
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* Change Logs:
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* Date Author Notes
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* 2018-02-08 RT-Thread 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 <stddef.h>
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#include "rtthread.h"
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#include "rtdevice.h"
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#define TOUCH_POLL_MODE (1 << 0)
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#define TOUCH_INT_MODE (1 << 1)
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struct touch_ops
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{
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void (*init)(struct rt_i2c_bus_device *);
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void (*deinit)(void);
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rt_err_t (*read_point)(struct rt_touch_data *touch_data, rt_size_t touch_num);
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};
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typedef struct touch_ops *touch_ops_t;
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struct touch_driver
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{
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rt_slist_t list;
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rt_bool_t (*probe)(struct rt_i2c_bus_device *i2c_bus);
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rt_tick_t read_interval;
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rt_uint32_t check_mode;
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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_driver *touch_driver_t;
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rt_err_t rt_touch_drivers_register(touch_driver_t drv);
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int rt_touch_read(rt_uint16_t addr, void *cmd_buf, size_t cmd_len, void *data_buf, size_t data_len);
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int rt_touch_write(rt_uint16_t addr, void *data_buf, size_t data_len);
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void touch_coord_convert(int *x, int *y, int range_x, int range_y, int flag);
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#endif
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