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@@ -0,0 +1,115 @@
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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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+
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+#ifndef __TOUCH_H__
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+#define __TOUCH_H__
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+
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+#include <rtthread.h>
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+#include "pin.h"
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+
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+#ifdef __cplusplus
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+extern "C" {
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+#endif
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+
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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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+
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+#define RT_PIN_NONE 0xFFFF /* RT PIN NONE */
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+
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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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+
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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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+
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+/* Touch control cmd types */
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+#define RT_TOUCH_CTRL_GET_ID (RT_DEVICE_CTRL_BASE(Touch) + 0) /* Get device id */
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+#define RT_TOUCH_CTRL_GET_INFO (RT_DEVICE_CTRL_BASE(Touch) + 1) /* Get touch info */
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+#define RT_TOUCH_CTRL_SET_MODE (RT_DEVICE_CTRL_BASE(Touch) + 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 (RT_DEVICE_CTRL_BASE(Touch) + 3) /* Set x coordinate range */
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+#define RT_TOUCH_CTRL_SET_Y_RANGE (RT_DEVICE_CTRL_BASE(Touch) + 4) /* Set y coordinate range */
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+#define RT_TOUCH_CTRL_SET_X_TO_Y (RT_DEVICE_CTRL_BASE(Touch) + 5) /* Set X Y coordinate exchange */
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+#define RT_TOUCH_CTRL_DISABLE_INT (RT_DEVICE_CTRL_BASE(Touch) + 6) /* Disable interrupt */
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+#define RT_TOUCH_CTRL_ENABLE_INT (RT_DEVICE_CTRL_BASE(Touch) + 7) /* Enable interrupt */
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+#define RT_TOUCH_CTRL_POWER_ON (RT_DEVICE_CTRL_BASE(Touch) + 8) /* Touch Power On */
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+#define RT_TOUCH_CTRL_POWER_OFF (RT_DEVICE_CTRL_BASE(Touch) + 9) /* Touch Power Off */
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+#define RT_TOUCH_CTRL_GET_STATUS (RT_DEVICE_CTRL_BASE(Touch) + 10) /* Get Touch Power Status */
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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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+#ifdef __cplusplus
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+}
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+#endif
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+
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+#endif /* __TOUCH_H__ */
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Tangyuxin