uint32_t num = 0;
uint32_t Flag = 0;
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
FLASH_InitExtFlash();
AT32_Board_Init(); ///<Initialize LED and KEY
UART_Print_Init(115200);
printf("init ok\r\n");
LCD_init();
TRM3_Int_Init(199, 999);// 2000000/(999+1)/(199+1)=1 KHz操作lv_tick_inc each 1 ms