* @brief 触摸回调函数,通过此回调函数将触摸获取的坐标传递给 LVGL * @param indev_driver * @param data 输入设备的数据 */ voidtouch_read(lv_indev_drv_t* indev_driver,lv_indev_data_t* data) { tp = ft6336u.scan(); /* 判断屏幕是否被按下 */ booltouched = tp.touch_count; if(touched)...
indev_drv_1.type = LV_INDEV_TYPE_POINTER; /*This function will be called periodically (by the library) to get the mouse position and state*/ indev_drv_1.read_cb = evdev_read; lv_indev_t*mouse_indev = lv_indev_drv_register(&indev_drv_1); /*Set a cursor for the mouse*/ LV_IMG...
indev_drv.type = LV_INDEV_TYPE_POINTER; /*Touch pad is a pointer-like device*/ indev_drv.read_cb = my_touchpad_read; /*Set your driver function*/ lv_indev_drv_register(&indev_drv); /*Finally register the driver*/ bool my_touchpad_read(lv_indev_t * indev, lv_indev_data_t * da...
触摸输入在lv_drv_conf.h # define USE_EVDEV 0 这个 置为1 # define EVDEV_NAME "/dev/input/event0" //这个就是输入设备了看你自己的是event几了。 在main.c的main函数中加入 evdev_init(); lv_indev_drv_t indev_drv; lv_indev_drv_init(&indev_drv); indev_drv.type =LV_INDEV_TYPE_POINTER...
lv_disp_drv_init(&disp_drv); disp_drv.draw_buf = &disp_buf; disp_drv.flush_cb = fbdev_flush; disp_drv.hor_res = 480; disp_drv.ver_res = 800; lv_disp_drv_register(&disp_drv); evdev_init(); static lv_indev_drv_t indev_drv...
lv_disp_drv_init( &disp_drv ); disp_drv.hor_res = LCD_W; disp_drv.ver_res = LCD_H; disp_drv.flush_cb = my_disp_flush; disp_drv.draw_buf = &draw_buf; lv_disp_drv_register( &disp_drv ); my_disp_flush函数需要调用我们屏幕的填充函数(这一步主要是为了将LVGL接口的参数与屏幕驱动...
draw_buf = &disp_buf; disp_drv.flush_cb = fbdev_flush; disp_drv.hor_res = 800; disp_drv.ver_res = 480; lv_disp_drv_register(&disp_drv); /* Linux input device init */ evdev_init(); /* Initialize and register a display input driver */ lv_indev_drv_t indev_drv; lv_indev_...
indev_drv.register()# 启动LVGL 线程lv.tick_inc(5)lv.task_handler() Copy 注意: LCD初始化部分参照class LCD - LCD显示屏。 LVGL需要LCD对象提供lcd_write接口来刷新屏幕。 LVGL需要TP对象提供read接口来进行触摸输入。 LVGL界面绘制# 流程描述#
static lv_disp_drv_t disp_drv; lv_disp_drv_init(&disp_drv); disp_drv.draw_buf = &disp_buf; disp_drv.flush_cb = fbdev_flush; 800; 480; lv_disp_drv_register(&disp_drv); evdev_init(); static lv_indev_drv_t indev_drv_1; ...
对于lv_disp_drv_t: 初始化中可以启用full_refresh以强制 LVGL 始终重绘整个屏幕。这适用于单/双缓冲模式。 如果启用该模式并提供 2 个屏幕大小的绘制缓冲区,LVGL 的显示处理就像“传统”双缓冲一样工作。 这意味着在flush_cb中只有帧缓冲区的地址需要更改为提供的指针(color_p参数)。 如果 MCU 具有 LCD 控制...