/* * 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 #include #include 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); }