1、LV_LABEL_LONG_DOT 是直接操作文本缓冲区以添加/删除点。 2、使用lv_label_set_text 和 lv_label_set_text_fmt 会分配一个单独的缓冲区,不会出问题。 3、使用 lv_label_set_text_static 时我们传递给它的缓冲区必须是可写的。 1.3 文本着色 ...
首先我们要知道lv_label_set_text_fmt函数的作用,他是给LVGL中的标签设置文本用的: /** * Set a new formatted text for a label. Memory will be allocated to store the text by the label. * @param obj pointer to a label object * @param fmt `printf`-like format * @example lv_label_set_...
lv_indev_drv_register(&indev_drv );#if1//如果是1 就只简单显示一个标签 如果是0则会跳过这个去编译下边的例子/*Create simple label*/lv_obj_t*label =lv_label_create( lv_scr_act() ); lv_label_set_text( label, LVGL_Arduino.c_str() ); lv_obj_align( label, LV_ALIGN_CENTER,0,0);...
lv_obj_t * cz_label = lv_label_create(lv_scr_act()); lv_label_set_text(cz_label, "嵌入式系统(Embedded System),\n是一种嵌入机械或电气系统内部、具有专一功能和实时计算性能的计算机系统。"); lv_obj_set_style_text_font(cz_label, &lv_font_simsun_16_cjk, 0); lv_obj_set_width(cz_...
void textarea_create(void) { ta = lv_textarea_create(lv_scr_act(), NULL); lv_obj_set_size(ta, LV_HOR_RES, LV_VER_RES); lv_obj_set_pos(ta, 0, 0); static lv_style_t style_title; lv_style_init(&style_title); static lv_obj_t* label1 = NULL; label1 = lv_textarea_get...
static void lv_textarea_event(const lv_obj_class_t * class_p, lv_event_t * e); static void cursor_blink_anim_cb(void * obj, int32_t show); static void pwd_char_hider_anim(void * obj, int32_t x); static void pwd_char_hider_anim_ready(lv_anim_t * a); ...
forbtn, namein[(self.btn1,'Play'), (self.btn2,'Pause')]: btn.set_event_cb(lambdaobj=None, event=-1, name=name: self.label.set_text('%s %s'% (name, get_member_name(lv.EVENT, event))) Using callback withuser_dataargument: def...
f_gif_seek(gif, sub_block, LV_FS_SEEK_SET); discard_sub_blocks(gif); } else { discard_sub_blocks(gif); } } static void read_ext(gd_GIF *gif) { uint8_t label; f_gif_read(gif, &label, 1); switch (label) { case 0x01: read_plain_text_ext(gif); ...
s 1 Press [PUSH OPEN] to open the disc n PUSH OPEN c o i i lid and insert a disc with the side you s t a a r want to play label up. B e p Close the disc lid by hand. Clicks O 2 ON Press and hold [1, ON] to start play. Display The unit comes on automatically. ...
125voidlv_label_set_text(lv_obj_t* label,constchar* text); 126 134voidlv_label_set_array_text(lv_obj_t* label,constchar* array, uint16_t size); 135 142voidlv_label_set_static_text(lv_obj_t* label,constchar* text); 143