基于单片机的数码管显示缓冲区代码该怎样去实现

代码//seg.c#include "sys.h"u8 code Nixie[] = {0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,                        0x88,0x83,0xc6,0xa1,0x86,0x8e};        //共阳数码管码字u8 NixieBuff[] = {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff};        //数码管显示缓冲区，初值0xff确保启动时都不亮u8 co