?? smg19264e_m_exsample_c51.c
字號:
//-------------------------------------------------------------------------------
//子程序名稱:void putstr(unsigned char code *s).
//功能:寫字符串點陣,若*s=0 表示字符串結束.
//修改日期:2009.8.18
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void putstr(unsigned char code *s) //顯示字符串子程序,字符碼為0時退出
{ unsigned int c;
while(1)
{ c=*s;
s++;
if(c==0) break;
if(c<128)
putchar(c);
else
{ putchar(c*256+*s);
s++;
}
}
}
//-------------------------------------------------------------------------------
//子程序名稱:unsigned char code *getchinesecodepos(unsigned char ac).
//功能:根據(jù)當前中文字符碼查表后計算得到當前中文字符碼的字庫點陣位置.
//修改日期:2009.8.18
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
unsigned char code *getchinesecodepos(unsigned int ac)
{ unsigned int min,max,mid,midc;
min=0;
max=CHINESECHARNUMBER-1;
while(1)
{ if(max-min<2)
{ if(ChineseCode[min]==ac)
mid=min;
else if(ChineseCode[max]==ac)
mid=max;
else
mid=0;
break;
}
mid=(max+min)/2;
midc=ChineseCode[mid];
if(midc==ac)
break;
else if(midc>ac)
max=mid-1;
else
min=mid+1;
}
return ChineseCharDot+mid*CHINESECHARDOTSIZE;
}
//-------------------------------------------------------------------------------
//子程序名稱:unsigned char code *getenglishcodepos(unsigned char ac).
//功能:根據(jù)當前ASCII字符碼查表后計算得到當前ASCII字符碼的字庫點陣位置.
//修改日期:2009.8.18
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
unsigned char code *getenglishcodepos(unsigned char ac)
{ unsigned char min,max,mid,midc;
min=0;
max=ENGLISHCHARNUMBER-1;
while(1)
{ if(max-min<2)
{ if(EnglishCode[min]==ac)
mid=min;
else if(EnglishCode[max]==ac)
mid=max;
else
mid=0;
break;
}
mid=(max+min)/2;
midc=EnglishCode[mid];
if(midc==ac)
break;
else if(midc>ac)
max=mid-1;
else
min=mid+1;
}
return EnglishCharDot+mid*ENGLISHCHARDOTSIZE;
}
//-------------------------------------------------------------------------------
//以下putsizeimage為圖形對象的基本子程序,putimage為圖形對象的擴充子程序
//-------------------------------------------------------------------------------
//子程序名稱:void putsizeimage(unsigned char XSIZE,unsigned YSIZE,
// unsigned char code *s)
//功能:在(XPOS,YPOS)位置繪制XSIZE列及YISZE行點陣的圖形*S.
//修改日期:2009.8.31
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void putsizeimage(unsigned char XSIZE,unsigned char YSIZE,unsigned char code *s)
{ unsigned char k,lx,ly,a1,a2,y,Lcd_Mask;
k=YPOS&0x7;
YSIZE+=k;
y=YPOS;
s--;
for(lx=0;lx<XSIZE;lx++,XPOS++)
{ for(YPOS=y,ly=k;ly<YSIZE;)
{ unsigned char p;
a1=*s;
s++;
a2=*s;
if(CharImageReverse)
{ a1=~a1;
a2=~a2;
}
for(p=0;p<k;p++)
{ a2>>=1;
if((a1&0x1)==1)
a2+=0x80;
a1>>=1;
}
if((k==0) && (YSIZE<ly+8))
{ lcdpos();
ly+=8;
YPOS+=8;
}
else
{ lcdpos();
a1=lcdrd();
lcdpos();
ly+=8;
YPOS+=8;
Lcd_Mask=0xff;
p=YSIZE&0x7;
while(p>0)
{ Lcd_Mask>>=1;
YPOS--;
p--;
}
p=0xff;
while(YSIZE<ly)
{ ly--;
YPOS--;
p<<=1;
}
Lcd_Mask&=p;
a2&=Lcd_Mask;
a2|=a1&(~Lcd_Mask);
}
lcdwd(a2);
}
if((k!=0) && (YSIZE&0x7 != 0) && (k >= YSIZE&0x7)) s--;
}
YPOS=y;
}
//-------------------------------------------------------------------------------
//子程序名稱:void putimage(unsigned char code *s).
//功能:在(XPOS,YPOS)位置繪制XSIZE[*s]列及YISZE[*(s+1)]行點陣的圖形[*(s+2)].
//修改日期:2009.8.18
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void putimage(unsigned char code *s) //顯示圖形子程序
{ unsigned char XSIZE,YSIZE;
XSIZE=*s;
s++;
YSIZE=*s;
s++;
putsizeimage(XSIZE,YSIZE,s);
}
//-------------------------------------------------------------------------------
//以下point為繪圖操作的基本子程序,line,lineto,rect為繪圖操作的擴充子程序.
//-------------------------------------------------------------------------------
//子程序名稱:void point(bit b).
//功能:按b的數(shù)據(jù)在(XPOS,YPOS)位置繪制點.
//修改日期:2009.8.18
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void point(bit b)
{ unsigned char i,Lcd_Mask,j;
Lcd_Mask=0x01;
i=YPOS&0x7;
while(i>0)
{ Lcd_Mask<<=1;
i--;
}
lcdpos();
j=lcdrd();
lcdpos();
if(b)
lcdwd(j|Lcd_Mask);
else
lcdwd(j&(~Lcd_Mask));
}
//-------------------------------------------------------------------------------
//子程序名稱:void line(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,bit b)
//功能:按b的數(shù)據(jù)繪制(x0,y0)-(x1,y1)的直線
//修改日期:2009.8.18
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void line(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,bit b)
{ unsigned char dx,dy;
unsigned int dk;
XPOS=x0;
YPOS=y0;
point(b);
dx=(x1>=x0)?x1-x0:x0-x1;
dy=(y1>=y0)?y1-y0:y0-y1;
if(dx==dy)
{ while(XPOS!=x1)
{ if(x1>x0) XPOS++;else XPOS--;
if(y1>y0) YPOS++;else YPOS--;
point(b);
}
}
else if (dx>dy)
{ dk=dy;
dy=0;
while(XPOS!=x1)
{ if(x1>x0) XPOS++;else XPOS--;
dy++;
if(y1>y0) YPOS=y0+(dk*dy+dx/2)/dx;else YPOS=y0-(dk*dy+dx/2)/dx;
point(b);
}
}
else
{ dk=dx;
dx=0;
while(YPOS!=y1)
{ if(y1>y0) YPOS++;else YPOS--;
dx++;
if(x1>x0) XPOS=x0+(dk*dx+dy/2)/dy;else XPOS=x0-(dk*dx+dy/2)/dy;
point(b);
}
}
}
//-------------------------------------------------------------------------------
//子程序名稱:void lineto(unsigned char x1,unsigned char y1,bit b)
//功能:按b的數(shù)據(jù)繪制(XPOS,YPOS)-(x1,y1)的直線
//修改日期:2009.8.18
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void lineto(unsigned char x1,unsigned char y1,bit b)//繪制(XPOS,YPOS)-(X1,Y1)的直線
{ line(XPOS,YPOS,x1,y1,b);
}
//-------------------------------------------------------------------------------
//子程序名稱:void rect(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,bit b)
//功能:按b的數(shù)據(jù)繪制(x0,y0)-(x1,y1)的矩形
//修改日期:2009.8.18
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void rect(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,bit b)
{ line(x0,y0,x1,y0,b);
line(x1,y0,x1,y1,b);
line(x1,y1,x0,y1,b);
line(x0,y1,x0,y0,b);
}
//-------------------------------------------------------------------------------
//以下lcdfill,lcdpos,lcdreset為KS0108B型硬件接口的19264液晶顯示模塊的基本子程序
//-------------------------------------------------------------------------------
//子程序名稱:void lcdfill(unsigned char d).
//功能:整屏顯示d表示的字節(jié)數(shù)據(jù).
//修改日期:2009.08.31
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void lcdfill(unsigned char d) //整屏顯示d代表的字節(jié)數(shù)據(jù)子程序
{ unsigned char j;
for(YPOS=0;YPOS<64;YPOS+=8) //8頁
{ XPOS=0;
lcdpos();
for(j=0;j<64;j++) //64列
lcdwd1(d); //送圖形數(shù)據(jù)
XPOS=64;
lcdpos();
for(j=0;j<64;j++) //64列
lcdwd2(d); //送圖形數(shù)據(jù)
XPOS=128;
lcdpos();
for(j=0;j<64;j++) //64列
lcdwd3(d); //送圖形數(shù)據(jù)
}
XPOS=0;
YPOS=0;
}
//-------------------------------------------------------------------------------
//子程序名稱:void lcdpos(void).
//功能:設置坐標點(XPOS,YPOS)位置對應的內部RAM地址.
//修改日期:2009.11.04
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void lcdpos(void) //設置坐標點(XPOS,YPOS)內部RAM地址的子程序
{
if(XPOS<64)
{ lcdwc1(0xB8|((YPOS/8)&0x7)); //頁地址設置
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