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/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-10-18 Meco Man The first version
* 2021-12-17 Wayne Add input event
*/
#include <lvgl.h>
#include <stdbool.h>
#include <rtdevice.h>
static lv_indev_state_t last_state = LV_INDEV_STATE_REL;
static rt_int16_t last_x = 0;
static rt_int16_t last_y = 0;
static void input_read(lv_indev_drv_t *indev_drv, lv_indev_data_t *data)
{
data->point.x = last_x;
data->point.y = last_y;
data->state = last_state;
}
void nu_touch_inputevent_cb(rt_int16_t x, rt_int16_t y, rt_uint8_t state)
{
switch (state)
{
case RT_TOUCH_EVENT_UP:
last_state = LV_INDEV_STATE_RELEASED;
break;
case RT_TOUCH_EVENT_MOVE:
case RT_TOUCH_EVENT_DOWN:
last_x = x;
last_y = y;
last_state = LV_INDEV_STATE_PRESSED;
break;
}
}
void lv_port_indev_init(void)
{
static lv_indev_drv_t indev_drv;
/* Basic initialization */
lv_indev_drv_init(&indev_drv);
indev_drv.type = LV_INDEV_TYPE_POINTER;
indev_drv.read_cb = input_read;
/* Register the driver in LVGL and save the created input device object */
lv_indev_drv_register(&indev_drv);
}
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