用单片机和点阵图型lcd显示屏制作流动图像(发布).c

《用单片机和点阵图型LCD显示屏制作流动图像》相关文件

}


//判断X,Y轴并写入一位数据,k=1反显
void LCD_writeAword(unsigned char LCD_store,unsigned char *y,unsigned char k)
{
	if(*y==64 || *y==LCD_y)//判断是否要写X,Y轴
	{
		if(*y>=64)
		{
			LCD_set_adr(LCD_x,*y-64);
		}
		else
		{
			LCD_set_adr(LCD_x,*y);
		}
	}
	if(*y>=64)
	{
		if(k==0)
		{
			LCD_wdata(LCD_store,0,1);
		}
		else
		{
			LCD_wdata(~LCD_store,0,1);
		}
	}
	else
	{
		if(k==0)
		{
			LCD_wdata(LCD_store,1,0);
		}
		else
		{
			LCD_wdata(~LCD_store,1,0);
		}
	}
	(*y)++;
}


//a[]数据指针,w宽,h高,move 字节移动,move_little 位移(0-7),head 数据开头指针地址trail 数据最后指针地址,k=1反显
void LCD_write(unsigned char a[],unsigned char w,unsigned char h,signed int move,unsigned char move_little,unsigned int head,unsigned int trail,unsigned char k)
{
	unsigned char loop,loop2,y;
	unsigned int LCD_store;//临时保存小移数据
	signed long word_p;//计数指针
	y=LCD_y;	
	word_p=move*w;
	for(loop2=0;loop2<h;loop2++)
	{	
		for (loop=0;loop<w;loop++)
		{
			if((word_p<0) || word_p>(trail-head+w))
			{
				LCD_store=0x00;//前面和后面填充
			}
			else
			{
				if(move_little==0)
				{
					LCD_store=a[word_p];
					if(word_p>(trail-head))
					{
						LCD_store=0x00;
					}
				}
				else
				{
					if(word_p<w)//开头第一行
					{
						LCD_store=a[word_p]<<move_little;
					}
					else
					{
						if(word_p>trail-head)//最后一行
						{
							LCD_store=a[word_p-w]>>(8-move_little);
						}
						else
						{
							LCD_store=a[word_p];//中间
							LCD_store=((LCD_store<<8)+a[word_p-w])>>(8-move_little);
						}
					}
				}
			}
			LCD_writeAword(LCD_store,&y,k);
			word_p++;
		}
		LCD_x++;y=LCD_y;
	}
}


//填充子程序
void LCD_write_full(unsigned char d,unsigned char w,unsigned char h)
{
	unsigned char loop,loop2,y;
	y=LCD_y;
	for(loop2=0;loop2<h;loop2++)
	{
		for(loop=0;loop<w;loop++)
		{
			if(y==64 || y==LCD_y)//判断是否要写X,Y轴
			{
				if(y>=64)
				{
					LCD_set_adr(LCD_x,y-64);
				}
				else
				{
					LCD_set_adr(LCD_x,y);
				}
			}
			if(y>=64)
			{
				LCD_wdata(d,0,1);
			}
			else
			{
				LCD_wdata(d,1,0);
			}
			y++;
		}
		LCD_x++;y=LCD_y;
	}
}
	
void light_view(void)//LCD扫描
{
	LCD_x=0;LCD_y=0;//设光标
	if(LCD_move_little>0)
	{
		LCD_move_little--;
	}
	else
	{
		LCD_move_little=7;
		if(LCD_move>=(light_data_h))
		{
			LCD_move=(-8);
		}
		else
		{
			LCD_move++;
		}
	}
	LCD_write(light_data,128,8,LCD_move,LCD_move_little,LCD_light_head,LCD_light_trail,0);	
}


void code_judge(void)//判断遥控代码
{
	code_right=0;
	switch(code_tt)
	{
		case d_on_off:
			TR1=~TR1;break;//自动移动
		case d_P_sum:
			if(time_count<20)
			{
				time_count++;
			}
			else
			{
				time_count=1;
			};
			break;
		case d_P_add:
			if(time_count>1)
			{
				time_count--;
			}
			else
			{
				time_count=20;
			}
			break;
		case d_quiet:
			LCD_light=~LCD_light;//背光
		case d_V_add:
			if(LCD_move>=(light_data_h))//移动字幕
			{
				LCD_move=(-8);
			}
			else
			{
				LCD_move++;
			}
			light_view();
			break;
		case d_V_sum:
			if(LCD_move<=(-8))
			{
				LCD_move=light_data_h;
			}
			else
			{
				LCD_move--;
			}
			light_view();
			break;
	}
}


//**********判断代码子程序************
unsigned char d_code(unsigned int t)
	{
		if(t<=0x480 && t>=0x300)
			return 0;
		else
			{
				if(t<=0x8ee && t>=0x700)
					return 1;
				else
					return 0xff;

			}
	}



//*********** 接收代码中断  ************
void receive_code() interrupt 0 using 1
{
	unsigned int temp;
	unsigned char dd_code;
	if(TR0==0)
		{
			TH0=TL0=0;
			TR0=1;
		}
	else
		{
			TR0=0;
			temp=(TH0<<8)+TL0;
			TH0=TL0=0;
			TR0=1;
			dd_code=d_code(temp);
			if((dd_code==0||dd_code==1) && (code_length!=0))
				{
					code_t=(code_t<<1)+dd_code;
					code_length--;
				}
			else
				code_length=_code_length;
			if(code_length==0)
				{				
					code_length=_code_length;
					if(code_right==0)
					{
						code_tt=code_t;
						code_right=1;
					}
				}					
		}	
}


//定时器1,中断,定时
void time1() interrupt 3 using 2
{
	time_count2++;
}
		
		
void main(void)
{	
	//********************************
	TMOD=0x11;	//T0定时方式1,T1定时方式1
	IT0=1;	  //INT0边沿触发
	EX0=1;	 //外部中断0允许
	TR0=0;    //定时器0计数开关
	TR1=1;    //定时器1开
	ET1=1;    //定时器1中断开
	EA=1;         //打开CPU总中断请求
	//*********************************	
	LCD_reset();//初始化
	LCD_light=0;//开背光
	LCD_dison_off(1);//开显示
	LCD_set_startline(0);//设Z坐标
	LCD_x=0;LCD_y=0;//设光标
	LCD_write_full(0x00,128,8);
	
	LCD_light_head=&light_data[0];
	LCD_light_trail=&light_data[128*light_data_h-1];
	while(1)
	{
		if(code_right==1)
		{
			EX0=0;
			code_judge();
			EX0=1;
		}
		if(time_count2>=time_count)
		{
			time_count2=0;//延时记录清零
			light_view();//扫描
		}
	}
}