毕业设计 测电容单片机源代码

#include 		   
#define uint unsigned int
#define uchar unsigned char
#define ulong unsigned long
#include 
#define dataport P1

sbit    cd=P3^4;
sbit    read=P3^5;
sbit    write=P3^6;

sbit    r10k=P2^4;
sbit    r100k=P2^5;
sbit    r1m=P2^6;
sbit    r10m=P2^7;

uchar code   tab[10]={0x100x110x120x130x140x150x160x170x180x19};
uint m;
uchar    buf[8]={00000000};

void busy（）
{	
	uchar status;
	do{
	cd=1;
	read=0;
	write=1;
	_nop_（）;
	_nop_（）;
	_nop_（）;
	status=dataport;
	read=1;
	}while（status&0x03!=0x03）;
}

void write_dat（uchar dat）
{
	busy（）;
	cd=0;
	read=1;
	write=0;
	_nop_（）;
	_nop_（）;
	_nop_（）;
	dataport=dat;
	write=1;
}

void write_cmd（uchar cmd）
{
	busy（）;
	cd=1;
	read=1;
	write=0;
	_nop_（）;
	_nop_（）;
	_nop_（）;
	dataport=cmd;
	write=1;
}

void inityejin（）
{
	write_dat（0x00）;
	write_dat（0x00）;
	write_cmd（0x40）;//文本首地址
	write_dat（0x10）;
	write_dat（0x00）;
	write_cmd（0x41）;//文本宽度
	write_dat（0x00）;
	write_dat（0x08）;
	write_cmd（0x42）;//图形首地址
	write_dat（0x10）;
	write_dat（0x00）;
	write_cmd（0x43）;//图形宽度
	write_cmd（0x80）;//或模式
	write_cmd（0x9c）;//开文本图形显示
}
uchar code table[]={
/*--  文字:  欢  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x000x800x000x800xFC0x800x050xFE0x850x040x4A0x480x280x400x100x40
0x180x400x180x600x240xA00x240x900x410x180x860x0E0x380x040x000x00

/*--  文字:  迎  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x400x000x210x800x360x7C0x240x440x040x440x040x440xE40x440x240x44
0x250x440x260x540x240x480x200x400x200x400x500x000x8F0xFE0x000x00

/*--  文字:  使  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x080x400x0C0x400x1B0xFE0x100x400x370xFC0x640x440xA40x440x270xFC
0x240x440x220x400x210x800x200x800x210x700x220x1E0x2C0x040x000x00

/*--  文字:  用  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x000x000x1F0xFC0x100x840x100x840x100x840x1F0xFC0x100x840x100x84
0x100x840x1F0xFC0x100x840x100x840x200x840x200x840x400x940x800x88

/*--  文字:     --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x000x000x000x000x000x000x000x000x000x000x000x000x000x000x000x00
0x000x000x000x000x000x000x000x000x000x000x000x000x000x000x000x00

/*--  文字:     --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x000x000x000x000x000x000x000x000x000x000x000x000x000x000x000x00
0x000x000x000x000x000x000x000x000x000x000x000x000x000x000x000x00

/*--  文字:     --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x000x000x000x000x000x000x000x000x000x000x000x000x000x000x000x00
0x000x000x000x000x000x000x000x000x000x000x000x000x000x000x000x00

/*--  文字:     --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x000x000x000x000x000x000x000x000x000x000x000x000x000x000x000x00
0x000x000x000x000x000x000x000x000x000x000x000