54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
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/*
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* Copyright (c) 2006-2022, 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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* 2021-10-18 Meco Man The first version
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* 2021-12-17 Wayne Add input event
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*/
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#include <lvgl.h>
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#include <stdbool.h>
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#include <rtdevice.h>
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static lv_indev_state_t last_state = LV_INDEV_STATE_REL;
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static rt_int16_t last_x = 0;
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static rt_int16_t last_y = 0;
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static void input_read(lv_indev_drv_t *indev_drv, lv_indev_data_t *data)
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{
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data->point.x = last_x;
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data->point.y = last_y;
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data->state = last_state;
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}
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void nu_touch_inputevent_cb(rt_int16_t x, rt_int16_t y, rt_uint8_t state)
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{
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switch (state)
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{
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case RT_TOUCH_EVENT_UP:
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last_state = LV_INDEV_STATE_RELEASED;
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break;
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case RT_TOUCH_EVENT_MOVE:
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case RT_TOUCH_EVENT_DOWN:
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last_x = x;
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last_y = y;
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last_state = LV_INDEV_STATE_PRESSED;
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break;
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}
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}
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void lv_port_indev_init(void)
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{
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static lv_indev_drv_t indev_drv;
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/* Basic initialization */
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lv_indev_drv_init(&indev_drv);
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indev_drv.type = LV_INDEV_TYPE_POINTER;
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indev_drv.read_cb = input_read;
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/* Register the driver in LVGL and save the created input device object */
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lv_indev_drv_register(&indev_drv);
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}
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