/* * COPYRIGHT (C) 2012-2022, 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 #include "rtthread.h" #include "rtdevice.h" #include #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