10.1寸屏幕闪求助

andiwxz · 发表于 2018-9-5 09:25:13

各位：
   使用STM32F767开发板+10.1寸屏幕，用ucos+emwin开发，开机，尤其是刚刚下完程序，仿真运行的时候，闪得很厉害，过一会儿，或者独立运行的时候会好很多，但是屏幕四周还是还会有闪的情况，求指点。
下边是部分程序，都是在例程基础上修改，没做什么改动，因为用UTF8格式，所以注释都乱掉了
开机初始化部分：
Write_Through();             //Cahceǿ׆͸д
MPU_Memory_Protection();       //ѣۤРژզԢȸԲ
Cache_Enable();                //ղߪL1-Cache

Stm32_Clock_Init(432,25,2,9); //ʨ׃ʱד,216Mhz
HAL_Init();          //ԵʼۯHALࠢ
delay_init(216);             //ғʱԵʼۯ
uart_init(115200);          //ԮࠚԵʼۯ
KEY_Init();                   //дݼԵʼۯ
PCF8574_Init();                //Եʼ&#1775

CF8574
LED_Init();                   //ԵʼۯLED
SDRAM_Init();                //SDRAMԵʼۯ
TFTLCD_Init();                //ԵʼۯLCD
TP_Init();          //ԥľ∥Եʼۯ
my_mem_init(SRAMIN);       //ԵʼۯŚҿŚզԘ
my_mem_init(SRAMEX);       //Եʼۯ΢ҿŚզԘ
my_mem_init(SRAMDTCM);       //ԵʼۯDTCMŚզԘ

exfuns_init();          //ΪfatfsРژҤʪȫŚզ
    f_mount(fs[0],"0:",1);       //ڒ՘SDߨ
f_mount(fs[1],"1:",1);          //ڒ՘FLASH.
f_mount(fs[2],"2:",1);       //ڒ՘NAND FLASH.

while(font_init()) //Եʼۯؖࠢ
{
LCD_ShowString(30,70,200,16,16,"Font Error!");
while(SD_Init()) //ݬӢSDߨ
{
LCD_ShowString(30,90,200,16,16,"SD Card Failed!");
delay_ms(200);
LCD_Fill(30,90,200+30,70+16,WHITE);
delay_ms(200);
}
update_font(30,90,16,"0:"); //ɧڻؖࠢһզ՚ߍټтؖࠢ
delay_ms(2000);
LCD_Clear(WHITE); //ȥ∥
break;
}Write_Through();             //Cahceǿ׆͸д
MPU_Memory_Protection();       //ѣۤРژզԢȸԲ
Cache_Enable();                //ղߪL1-Cache

Stm32_Clock_Init(432,25,2,9); //ʨ׃ʱד,216Mhz
HAL_Init();          //ԵʼۯHALࠢ
delay_init(216);             //ғʱԵʼۯ
uart_init(115200);          //ԮࠚԵʼۯ
KEY_Init();                   //дݼԵʼۯ
PCF8574_Init();                //Եʼ&#1775

CF8574
LED_Init();                   //ԵʼۯLED
SDRAM_Init();                //SDRAMԵʼۯ
TFTLCD_Init();                //ԵʼۯLCD
TP_Init();          //ԥľ∥Եʼۯ
my_mem_init(SRAMIN);       //ԵʼۯŚҿŚզԘ
my_mem_init(SRAMEX);       //Եʼۯ΢ҿŚզԘ
my_mem_init(SRAMDTCM);       //ԵʼۯDTCMŚզԘ

exfuns_init();          //ΪfatfsРژҤʪȫŚզ
    f_mount(fs[0],"0:",1);       //ڒ՘SDߨ
f_mount(fs[1],"1:",1);          //ڒ՘FLASH.
f_mount(fs[2],"2:",1);       //ڒ՘NAND FLASH.

while(font_init()) //Եʼۯؖࠢ
{
LCD_ShowString(30,70,200,16,16,"Font Error!");
while(SD_Init()) //ݬӢSDߨ
{
LCD_ShowString(30,90,200,16,16,"SD Card Failed!");
delay_ms(200);
LCD_Fill(30,90,200+30,70+16,WHITE);
delay_ms(200);
}
update_font(30,90,16,"0:"); //ɧڻؖࠢһզ՚ߍټтؖࠢ
delay_ms(2000);
LCD_Clear(WHITE); //ȥ∥
break;
}

主任务初始化部分
BUTTON_SetDefaultSkin(BUTTON_SKIN_FLEX); //Јʨ׃ԉĬɏЧڻ
CHECKBOX_SetDefaultSkin(CHECKBOX_SKIN_FLEX);
DROPDOWN_SetDefaultSkin(DROPDOWN_SKIN_FLEX);
FRAMEWIN_SetDefaultSkin(FRAMEWIN_SKIN_FLEX);
HEADER_SetDefaultSkin(HEADER_SKIN_FLEX);
MENU_SetDefaultSkin(MENU_SKIN_FLEX);
MULTIPAGE_SetDefaultSkin(MULTIPAGE_SKIN_FLEX);
PROGBAR_SetDefaultSkin(PROGBAR_SKIN_FLEX);
RADIO_SetDefaultSkin(RADIO_SKIN_FLEX);
SCROLLBAR_SetDefaultSkin(SCROLLBAR_SKIN_FLEX);
SLIDER_SetDefaultSkin(SLIDER_SKIN_FLEX);
SPINBOX_SetDefaultSkin(SPINBOX_SKIN_FLEX);

//ДʾںؖРژ zxwtest
Create_XBF12("0:/SYSTEM/EMWINFONT/XBF/XBF12.xbf");
Create_XBF16("0:/SYSTEM/EMWINFONT/XBF/XBF16.xbf");
Create_XBF24("0:/SYSTEM/EMWINFONT/XBF/XBF24.xbf");
Create_XBF36("0:/SYSTEM/EMWINFONT/XBF/XBF36.xbf");
GUI_UC_SetEncodeUTF8();//הӦCτݾҘѫӔUTF-8ٱʽҠܭ
WM_SetCreateFlags(WM_CF_MEMDEV);//Եʼۯǰַԃìرղܡʁ˸ì

GUI_CURSOR_Show();