#include?“display.h“

//===================MAX7219的核心函數，接收單片機的數據=====================?
void?SEND（unsigned?char?addunsigned?char?dat）//發送2個字節的子函數第一個字節為地址第二個字節為操作數??
{??
unsigned?char?adsjx;??
unsigned?int?i;??
i=0;??
MAX7219_LOAD_0;//load=0??
???while（i<16）??
???{
//???if（add==1||add==5）?dat=dat|0x80;?//小數點問題解決
???if?（i<8）{ads=add;}???
???else?{ads=dat;}???
??????for（j=8;j>=1;j--）??
??????{??
??????x=ads&0x80;??
?????????if?（x==0）{MAX7219_DIN_0;}??
?????????else?{MAX7219_DIN_1;}??
????????????ads=ads<<1;??
??????MAX7219_CLK_1;//clk=1??
?????????MAX7219_CLK_0;//clk=0??
??????}??
???i=i+8;??
???}??
MAX7219_LOAD_1;//load=1??
}??
//=====================================?

//==============SEG亮度================?
void?SEG_LIGHT（unsigned?light）?
{?
SEND（0x0alight&0x0f）;?
}?
//===================================?

//==============SEG開================?
void?SEG_OPEN（void）?
{?
SEND（0x0c0x01）;?
}?
//===================================?

//==============SEG關================?
void?SEG_CLOSE（void）?
{?
SEND（0x0c0x00）;?
}?
//===================================?

//==============SEG清屏==============
void?SEG_CLEAR（unsigned?char?part）?
{?
switch（part）?
????????{?
????????case?0://左?
????????????????{?
????????????????SEND（0x010x0f）;??
????????????????SEND（0x020x0f）;??
????????????????SEND（0x030x0f）;??
????????????????SEND（0x040x0f）;?
????????????????}break;?
????????case?1://右?
????????????????{?
????????????????SEND（0x050x0f）;??
????????????????SEND（0x060x0f）;??
????????????????SEND（0x070x0f）;??
????????????????SEND（0x080x0f）;?
????????????????}break;?
????????default://全部?
????????????????{?
????????????????SEND（0x010x0f）;??
????????????????SEND（0x020x0f）;??
????????????????SEND（0x030x0f）;??
????????????????SEND（0x040x0f）;?
????????????????SEND（0x050x0f）;??
????????????????SEND（0x060x0f）;??
????????????????SEND（0x070x0f）;??
????????????????SEND（0x080x0f）;?
????????????????}break;?
????????}?
}?

//==============SEG初始化=============?
void?SEG_INIT（void）?
{?
MAX7219_OUT_DDR|=（1<MAX7219_OUT_PORT|=（1<SEND（0x0c0x01）;?
SEND（0x0b0x07）;??
SEND（0x0a0x05）;??
SEND（0x090xff）;??
SEG_CLEAR（3）;?
}?


//=============SEG左四顯示數字==============?
void?SEG_L（unsigned?int?number）?
{?
unsigned?char?i=4;?
SEND（0x010x0f）;?//先清除左四位左四位黑屏?
SEND（0x020x0f）;??
SEND（0x030x0f）;??
SEND（0x040x0f）;?

if（number>9999）//要顯示的數值超過4位，則顯示４個Ｈ?
????????{?
????????SEND（0x010x0c）;??
????????SEND（0x020x0c）;??
????????SEND（0x030x0c）;??
????????SEND（0x040x0c）;?
????????}?
else//小于四位可以顯示?
????????{?
/*		for（i=4;i>0;i--）
		?{
		??SEND（inumber%10）;
		??number=（number-number%10）/10;?
		?}		*/
????????do?
????????????????{?
????????????????SEND（inumber%10）;?
????????????????number=（number-number%10）/10;?
????????????????i--;?
???????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????92692??2008-11-01?13:55??two_spi.DSN
?????文件????????1166??2008-11-01?13:07??display._h
?????文件????????1236??2008-11-04?12:00??salve._c
?????文件????????3438??2008-11-03?13:52??two_spi.PWI
?????文件????????3953??2008-11-01?13:50??display.c
?????文件????????1166??2008-11-01?13:11??display.h
?????文件????????3953??2008-11-01?13:49??display._c
?????文件???????49319??2008-10-05?10:42??Last?Loaded?spi.DBK
?????文件????????1365??2008-11-04?12:09??master._c
?????文件????????1365??2008-11-04?12:10??master.c
?????文件????????2375??2008-11-04?12:10??MASTER.cof
?????文件????????1332??2008-11-04?12:10??MASTER.dbg
?????文件??????????69??2008-11-04?12:10??master.dp2
?????文件?????????808??2008-11-04?12:10??MASTER.hex
?????文件???????11742??2008-11-04?12:10??master.lis
?????文件??????????11??2008-11-04?12:10??MASTER.lk
?????文件????????6620??2008-11-04?12:10??MASTER.lst
?????文件?????????555??2008-11-04?12:10??MASTER.mak
?????文件????????2089??2008-11-04?12:10??MASTER.mp
?????文件????????2822??2008-11-04?12:10??master.o
?????文件?????????999??2008-11-04?12:10??master.prj
?????文件????????4924??2008-11-04?12:10??master.s
?????文件??????????43??2008-11-01?20:01??MASTER.SRC
?????文件????????1286??2008-11-04?12:07??salve.c
?????文件????????5459??2008-11-04?12:07??SALVE.cof
?????文件????????3581??2008-11-04?12:07??SALVE.dbg
?????文件?????????175??2008-11-04?12:07??salve.dp2
?????文件????????2516??2008-11-04?12:07??SALVE.hex
?????文件???????36508??2008-11-04?12:07??salve.lis
?????文件??????????10??2008-11-04?12:07??SALVE.lk
?????文件???????21798??2008-11-04?12:07??SALVE.lst
............此處省略6個文件信息