stm32f4 单片机 LCD tft显示屏 + 4*4矩阵按键

stm32f4 单片机 LCD tft显示屏 4*4矩阵按键

int main(void)
{
    u8 key;
 u8 lcd_id[12];    //´æ·ÅLCD ID×Ö·û´®
 NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//ÉèÖÃϵͳÖжÏÓÅÏȼ¶·Ö×é2
 delay_init(168);      //³õʼ»¯ÑÓʱº¯Êý
 uart_init(115200);  //³õʼ»¯´®¿Ú²¨ÌØÂÊΪ115200
 KEY_Init();
 LED_Init();       //³õʼ»¯LED
  LCD_Init();           //³õʼ»¯LCD FSMC½Ó¿Ú
 POINT_COLOR=BLACK;      //»­±ÊÑÕÉ«£ººÚÉ«
 sprintf((char*)lcd_id,"LCD ID:%04X",lcddev.id);//½«LCD ID´òÓ¡µ½lcd_idÊý×é¡£     while(1)
 {
      LCD_ShowString(30,40,210,24,24,"X=");
      LCD_ShowString(30,80,210,24,24,"Y=");
      key = KEY_Scan();
      KEY_ShowNums(key);
 }
}