你的程序里面定義了21個共陰數碼管顯示字段數據table,右側給你注釋了每個數代表的一個要顯示的字符:
uchar code table[]={
0x3f,0x06,0x5b,0x4f, //"0","1","2","3"
0x66,0x6d,0x7d,0x07, //"4","5","6',"7"
0x7f,0x6f,0x77,0x7c, //"8","9","a","b"
0x39,0x5e,0x79,0x71, //"c","d","e","f"
0x76,0x79,0x38,0x3f,0}; //"h","e","l","o"," "
display(16,17,18,18,19,20)就是給數碼管送數據0x76,0x79,0x38,0x38,0x3f,0 也就是讓數碼管顯示"h","e","l","l","o"," " |