116 lines
4.4 KiB
C
116 lines
4.4 KiB
C
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/*
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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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* 2019-05-20 tyustli the first version
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*/
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#ifndef __TOUCH_H__
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#define __TOUCH_H__
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#include <rtthread.h>
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#include <rtdevice.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef RT_USING_RTC
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#define rt_touch_get_ts() time(RT_NULL) /* API for the touch to get the timestamp */
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#else
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#define rt_touch_get_ts() rt_tick_get() /* API for the touch to get the timestamp */
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#endif
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#define RT_PIN_NONE 0xFFFF /* RT PIN NONE */
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/* Touch vendor types */
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#define RT_TOUCH_VENDOR_UNKNOWN (0) /* unknown */
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#define RT_TOUCH_VENDOR_GT (1) /* GTxx series */
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#define RT_TOUCH_VENDOR_FT (2) /* FTxx series */
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/* Touch ic type*/
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#define RT_TOUCH_TYPE_NONE (0) /* touch ic none */
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#define RT_TOUCH_TYPE_CAPACITANCE (1) /* capacitance ic */
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#define RT_TOUCH_TYPE_RESISTANCE (2) /* resistance ic */
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/* Touch control cmd types */
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#define RT_TOUCH_CTRL_GET_ID (0) /* Get device id */
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#define RT_TOUCH_CTRL_GET_INFO (1) /* Get touch info */
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#define RT_TOUCH_CTRL_SET_MODE (2) /* Set touch's work mode. ex. RT_TOUCH_MODE_POLLING,RT_TOUCH_MODE_INT */
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#define RT_TOUCH_CTRL_SET_X_RANGE (3) /* Set x coordinate range */
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#define RT_TOUCH_CTRL_SET_Y_RANGE (4) /* Set y coordinate range */
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#define RT_TOUCH_CTRL_SET_X_TO_Y (5) /* Set X Y coordinate exchange */
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#define RT_TOUCH_CTRL_DISABLE_INT (6) /* Disable interrupt */
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#define RT_TOUCH_CTRL_ENABLE_INT (7) /* Enable interrupt */
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#define RT_TOUCH_CTRL_POWER_ON (8) /* Touch Power On */
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#define RT_TOUCH_CTRL_POWER_OFF (9) /* Touch Power Off */
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#define RT_TOUCH_CTRL_GET_STATUS (10) /* Get Touch Power Status */
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/* Touch event */
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#define RT_TOUCH_EVENT_NONE (0) /* Touch none */
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#define RT_TOUCH_EVENT_UP (1) /* Touch up event */
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#define RT_TOUCH_EVENT_DOWN (2) /* Touch down event */
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#define RT_TOUCH_EVENT_MOVE (3) /* Touch move event */
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struct rt_touch_info
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{
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rt_uint8_t type; /* The touch type */
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rt_uint8_t vendor; /* Vendor of touchs */
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rt_uint8_t point_num; /* Support point num */
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rt_int32_t range_x; /* X coordinate range */
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rt_int32_t range_y; /* Y coordinate range */
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};
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struct rt_touch_config
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{
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#ifdef RT_TOUCH_PIN_IRQ
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struct rt_device_pin_mode irq_pin; /* Interrupt pin, The purpose of this pin is to notification read data */
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#endif
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char *dev_name; /* The name of the communication device */
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void *user_data;
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};
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typedef struct rt_touch_device *rt_touch_t;
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struct rt_touch_device
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{
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struct rt_device parent; /* The standard device */
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struct rt_touch_info info; /* The touch info data */
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struct rt_touch_config config; /* The touch config data */
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const struct rt_touch_ops *ops; /* The touch ops */
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rt_err_t (*irq_handle)(rt_touch_t touch); /* Called when an interrupt is generated, registered by the driver */
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};
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struct rt_touch_data
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{
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rt_uint8_t event; /* The touch event of the data */
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rt_uint8_t track_id; /* Track id of point */
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rt_uint8_t width; /* Point of width */
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rt_uint16_t x_coordinate; /* Point of x coordinate */
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rt_uint16_t y_coordinate; /* Point of y coordinate */
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rt_tick_t timestamp; /* The timestamp when the data was received */
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};
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struct rt_touch_ops
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{
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rt_size_t (*touch_readpoint)(struct rt_touch_device *touch, void *buf, rt_size_t touch_num);
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rt_err_t (*touch_control)(struct rt_touch_device *touch, int cmd, void *arg);
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};
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int rt_hw_touch_register(rt_touch_t touch,
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const char *name,
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rt_uint32_t flag,
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void *data);
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/* if you doesn't use pin device. you must call this function in your touch irq callback */
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void rt_hw_touch_isr(rt_touch_t touch);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __TOUCH_H__ */
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