WhyCan Forum(哇酷开发者社区)

void user_ttf_init(void)
{
    static lv_ft_info_t info;
    rt_kprintf("=================> user_ttf_init\n");
    //rt_thread_mdelay(5000);
    /*FreeType uses C standard file system, so no driver letter is required.*/
    //info.name = "/rodata/font.ttf";
    info.name = "/sdcard/font/font.ttf";
    info.weight = 64;
    info.style = FT_FONT_STYLE_NORMAL;
    info.mem = NULL;

    if (!lv_ft_font_init(&info))
    {
        rt_kprintf("font create failed.\n");
        return;
    }
    else
    {
        rt_kprintf("font create success.\n");
    }

    /*Create style with the new font*/
    static lv_style_t style;
    lv_style_init(&style);
    lv_style_set_text_font(&style, info.font);
    lv_style_set_text_align(&style, LV_TEXT_ALIGN_CENTER);

    /*Create a label with the new style*/
    lv_obj_t *label = lv_label_create(lv_scr_act());
    lv_obj_add_style(label, &style, 0);
    lv_label_set_text(label, "你好啊");
    lv_obj_center(label);
}

// INIT_APP_EXPORT(user_ttf_init);
MSH_CMD_EXPORT(user_ttf_init, test free type);

=================> user_ttf_init
font create success.
[Error] (16.537, +16039)         get_glyph_dsc_cb_cache: ImageCache_Lookup error        (in lv_freetype.c line #307)
[Error] (16.588, +51)    _lv_inv_area: detected modifying dirty areas in render         (in lv_refr.c line #217)
[Error] (16.598, +10)    _lv_inv_area: detected modifying dirty areas in render         (in lv_refr.c line #217)
[Error] (16.607, +9)     _lv_inv_area: detected modifying dirty areas in render         (in lv_refr.c line #217)
[Error] (16.634, +27)    get_glyph_dsc_cb_cache: ImageCache_Lookup error        (in lv_freetype.c line [Error]  (16.658, in lv_freetype.c line #307)
CPU Exception: NO.4
x1: 400c553a    x2: 3004e6c0    x3: 300423bc    x4: deadbeef
x5: 400024b8    x6: 0000003b    x7: 300900a0    x8: 3004e760
x9: 00004f60    x10: 00000032   x11: 3004e708   x12: 3004e6f4
x13: 0000597d   x14: 00000003   x15: 00000001   x16: 00000080
x17: 0000003b   x18: 3004f8a4   x19: 3004f8b8   x20: 0000597d
x21: 3004f8b8   x22: 00000000   x23: 00000000   x24: 00000001
x25: 00000023   x26: 00004f60   x27: 00000020   x28: 00000039
x29: 000032a8   x30: 00000000   x31: 30079f10
mcause : 38000004
mtval  : 000000be
mepc   : 400564fe
mstatus: 80007880