程序谁能帮我标注下吗

while (1)
{
if(CountFlag & 0x80)
{
ConutNumTab[TabNum++]= CountNum;
CountFlag &=0x7f;
if (TabNum >= 5)
{
TabNum = 0;
}
}
j++;
if (j > 10)
{
sum = 0;
for (i=0;i<5;i++)
{
sum +=ConutNumTab[i];
}
CountNum = sum / 5;
j = 3000 / CountNum;
if (TargetNum != 0)
{
LCD1602_Disp2BitNum(0,9,0,j);
}
j = 0;