#include
#define??decode_mode??0x09
#define??scan_limit???0x0b
#define??shut_down????0x0c
#define??intensity????0x0a
#define??display_test??0x0f
#define??uchar?unsigned?char
#define??uint??unsigned?int
sbit?load=P2^0;
sbit?din=P3^0;
sbit?clk=P3^2;
uchar?i=0;
uint??n;
void??initial（）;
void?write7219（uchar?addressuchar?date）
{??uchar?i;
???load=0;
???for（i=0;i<8;i++）
???{??clk=0;
??????din=（bit）（address&0x80）;
	??address<<=1;
	??clk=1;??}
???for（i=0;i<8;i++）
???{??clk=0;
??????din=（bit）（date&0x80）;
	??date<<=1;
	??clk=1;??}
???load=1;
	??}
void?initial（）
????{??write7219（decode_mode?0xff）;
???????write7219（scan_limit?0x07）;
???????write7219（shut_down?0x01）;
???????write7219（intensity0x09）;
???????write7219（display_test?0x00）;
???}


void?m

?屬性????????????大小?????日期????時間???名稱
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?????文件???????3676??2011-03-16?20:08??頻率計\1\1.LST

?????文件???????5115??2002-04-16?15:32??頻率計\1\STARTUP.A51

?????文件??????26061??2011-03-16?21:15??頻率計\1\1.plg

?????文件????????824??2011-03-16?21:07??頻率計\1\STARTUP.obj

?????文件???????5037??2011-03-16?20:08??頻率計\1\1.OBJ

?????文件???????4141??2011-03-16?21:07??頻率計\1\123.lst

?????文件??????11763??2011-03-16?21:07??頻率計\1\STARTUP.lst

?????文件???????5553??2011-03-16?21:07??頻率計\1\123.obj

?????文件???????7630??2011-03-16?21:07??頻率計\1\1.M51

?????文件???????5845??2011-03-16?21:07??頻率計\1\1

?????文件???????2086??2011-03-16?21:15??頻率計\1\1.Uv2

?????文件????????997??2011-03-16?21:15??頻率計\1\1.Opt

?????文件???????1485??2011-03-16?21:07??頻率計\1\1.hex

?????文件???????2027??2011-03-15?17:51??頻率計\1\1_Uv2.Bak

?????文件???????1533??2011-03-16?20:08??頻率計\1\1.c

?????文件???????1070??2011-03-16?17:10??頻率計\1\1_Opt.Bak

?????文件?????147999??2011-03-16?21:15??頻率計\pinlvji.DSN

?????目錄??????????0??2011-03-17?09:56??頻率計\1

?????目錄??????????0??2011-03-10?14:14??頻率計

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???????????????232842????????????????????19