📄 smg19264e_z_exsample_c51.c
字号:
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);
}
}
}
//-------------------------------------------------------------------------------
//子程序名称:void lineto(unsigned char x1,unsigned char y1,bit b)
//功能:按b的数据绘制(XPOS,YPOS)-(x1,y1)的直线
//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)//绘制(XPOS,YPOS)-(X1,Y1)的直线
{ line(XPOS,YPOS,x1,y1,b);
}
//-------------------------------------------------------------------------------
//子程序名称:void rect(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,bit b)
//功能:按b的数据绘制(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为KS0108B型硬件接口的19264液晶显示模块的基本子程序
//-------------------------------------------------------------------------------
//子程序名称:void lcdfill(unsigned char d).
//功能:整屏显示d表示的字节数据.
//修改日期:2009.08.31
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void lcdfill(unsigned char d) //整屏显示d代表的字节数据子程序
{ unsigned char j;
for(YPOS=0;YPOS<64;YPOS+=8) //8页
{ XPOS=0;
lcdpos();
for(j=0;j<64;j++) //64列
lcdwd1(d); //送图形数据
XPOS=64;
lcdpos();
for(j=0;j<64;j++) //64列
lcdwd2(d); //送图形数据
XPOS=128;
lcdpos();
for(j=0;j<64;j++) //64列
lcdwd3(d); //送图形数据
}
XPOS=0;
YPOS=0;
}
//-------------------------------------------------------------------------------
//子程序名称:void lcdpos(void).
//功能:设置坐标点(XPOS,YPOS)位置对应的内部RAM地址.
//修改日期:2009.11.04
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void lcdpos(void) //设置坐标点(XPOS,YPOS)内部RAM地址的子程序
{
if(XPOS<64)
{ lcdwc1(0xB8|((YPOS/8)&0x7)); //页地址设置
lcdwc1(0x40|XPOS); //列地址设置
}
else if(XPOS<128)
{ lcdwc2(0xB8|((YPOS/8)&0x7)); //页地址设置
lcdwc2(0x40|(XPOS&0x3F)); //列地址设置
}
else
{ lcdwc3(0xB8|((YPOS/8)&0x7)); //页地址设置
lcdwc3(0x40|(XPOS&0x3F)); //列地址设置
}
}
//-------------------------------------------------------------------------------
//子程序名称:void lcdreset(void)
//功能:液晶显示控制器初始化
//修改日期:2009.11.04
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void lcdreset(void) //液晶显示控制器初始化子程序
{
lcdwc1(0xC0); //设置显示初始行
lcdwc2(0xC0); //设置显示初始行
lcdwc3(0xC0); //设置显示初始行
lcdwc1(0x3F); //开显示
lcdwc2(0x3F); //开显示
lcdwc3(0x3F); //开显示
}
//-------------------------------------------------------------------------------
//以下lcdwc1,lcdwc2,lcdwc3,lcdwd,lcdrd为MCS51总线接口的KS0108B液晶显示控制器的基本
//子程序,lcdwd1,lcdwd2,lcdwd3,lcdrd1,lcdrd2,lcdrd3,lcdwaitidle1,lcdwaitidle2,
//lcdwaitidle3为内部子程序.
//-------------------------------------------------------------------------------
//子程序名称:unsigned char lcdrd(void).
//功能:从液晶显示控制器中读图形数据.
//修改日期:2009.11.04
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
unsigned char lcdrd(void)
{unsigned char d;
if(XPOS<64)
{ d=lcdrd1();
d=lcdrd1();
}
else if(XPOS<128)
{ d=lcdrd2();
d=lcdrd2();
}
else
{ d=lcdrd3();
d=lcdrd3();
}
return d;
}
//-------------------------------------------------------------------------------
//子程序名称:void lcdwd(unsigned char d).
//功能:向液晶显示控制器写图形数据.
//修改日期:2009.11.04
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void lcdwd(unsigned char d)
{ if(XPOS<64)
lcdwd1(d);
else if(XPOS<128)
lcdwd2(d);
else
lcdwd3(d);
}
//-------------------------------------------------------------------------------
//子程序名称:void lcdwd1(unsigned char d).
//功能:向液晶显示控制器1写图形数据.
//修改日期:2009.08.31
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void lcdwd1(unsigned char d)
{ lcdwaitidle1();
LCDD1WREG=d;
}
//-------------------------------------------------------------------------------
//子程序名称:void lcdwd2(unsigned char d).
//功能:向液晶显示控制器2写图形数据.
//修改日期:2009.08.31
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void lcdwd2(unsigned char d)
{ lcdwaitidle2();
LCDD2WREG=d;
}
//-------------------------------------------------------------------------------
//子程序名称:void lcdwd3(unsigned char d).
//功能:向液晶显示控制器3写图形数据.
//修改日期:2009.11.04
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void lcdwd3(unsigned char d)
{ lcdwaitidle3();
LCDD3WREG=d;
}
//-------------------------------------------------------------------------------
//子程序名称:unsigned char lcdrd1(void).
//功能:从液晶显示控制器1中读图形数据.
//修改日期:2009.08.31
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
unsigned char lcdrd1(void) //读图形数据子程序
{
lcdwaitidle1(); //检测液晶显示控制器是否空闲
return LCDD1RREG;
}
//-------------------------------------------------------------------------------
//子程序名称:unsigned char lcdrd2(void).
//功能:从液晶显示控制器2中读图形数据.
//修改日期:2009.08.31
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
unsigned char lcdrd2(void) //读图形数据子程序
{
lcdwaitidle2(); //检测液晶显示控制器是否空闲
return LCDD2RREG;
}
//-------------------------------------------------------------------------------
//子程序名称:unsigned char lcdrd3(void).
//功能:从液晶显示控制器3中读图形数据.
//修改日期:2009.11.04
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
unsigned char lcdrd3(void) //读图形数据子程序
{
lcdwaitidle3(); //检测液晶显示控制器是否空闲
return LCDD3RREG;
}
//-------------------------------------------------------------------------------
//子程序名称:lcdwc1(unsigned char c).
//功能:向液晶显示控制器1送指令.
//修改日期:2009.08.31
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void lcdwc1(unsigned char c) //向液晶显示控制器1送指令
{ lcdwaitidle1();
LCDC1WREG=c;
}
//-------------------------------------------------------------------------------
//子程序名称:lcdwc2(unsigned char c).
//功能:向液晶显示控制器2送指令.
//修改日期:2009.08.31
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void lcdwc2(unsigned char c) //向液晶显示控制器2送指令
{ lcdwaitidle2();
LCDC2WREG=c;
}
//-------------------------------------------------------------------------------
//子程序名称:lcdwc3(unsigned char c).
//功能:向液晶显示控制器3送指令.
//修改日期:2009.11.04
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void lcdwc3(unsigned char c) //向液晶显示控制器3送指令
{ lcdwaitidle3();
LCDC3WREG=c;
}
//-------------------------------------------------------------------------------
//子程序名称:voidlcdwaitidle1(void).
//功能:忙检测,在对液晶显示控制器操作的每一条指令之前,需检测液晶显示器是否空闲.
//修改日期:2009.08.31
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void lcdwaitidle1(void) //控制器1忙检测子程序
{ unsigned char i;
for(i=0;i<20;i++) //
if( (LCDC1RREG&0x80) != 0x80 ) break; //D7=0 空闲退出
}
//-------------------------------------------------------------------------------
//子程序名称:voidlcdwaitidle2(void).
//功能:忙检测,在对液晶显示控制器操作的每一条指令之前,需检测液晶显示器是否空闲.
//修改日期:2009.08.31
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void lcdwaitidle2(void) //控制器2忙检测子程序
{ unsigned char i;
for(i=0;i<20;i++) //
if( (LCDC2RREG&0x80) != 0x80 ) break; //D7=0 空闲退出
}
//-------------------------------------------------------------------------------
//子程序名称:voidlcdwaitidle3(void).
//功能:忙检测,在对液晶显示控制器操作的每一条指令之前,需检测液晶显示器是否空闲.
//修改日期:2009.11.04
//修改人:chujianjun@sunman.cn,tanchao@sunman.cn
//-------------------------------------------------------------------------------
void lcdwaitidle3(void) //控制器3忙检测子程序
{ unsigned char i;
for(i=0;i<20;i++) //
if( (LCDC3RREG&0x80) != 0x80 ) break; //D7=0 空闲退出
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -