?? smg19264a_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的數據在(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的數據繪制(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的數據繪制(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的數據繪制(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表示的字節數據.
//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代表的字節數據子程序
{ 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); //送圖形數據
XPOS=64;
lcdpos();
for(j=0;j<64;j++) //64列
lcdwd2(d); //送圖形數據
XPOS=128;
lcdpos();
for(j=0;j<64;j++) //64列
lcdwd3(d); //送圖形數據
}
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)
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