main.c

条屏控制器的设计的主程序,本例是控制4字,改动几个边界值即可控制任意长个汉字,保证可以实际应用

void up_move()
{/*
 unsigned char data i,j;
 unsigned char idata ptemp[8];

 if (temp_counter>=(((word_length-1)/32+1)*32)) 
	temp_counter=0;
 if (temp_counter==0) 
 	for (i=0;i<8;i++) ptemp[i]=0x00;
 
 temp_counter++;
 if ((temp_counter%32)>16) 
	for (i=0;i<8;i++) ptemp[i]=0x00;	 
 else {
 	for (i=0;i<8;i++) {
		if ((i%2)==0)
			ptemp[i]=*(temp_ram_addr+i*16+(temp_counter/32-1)*);
		else 
			ptemp[i]=*(temp_ram_addr+i*16-15+);
		}
 	}

 for (j=0;j<15;j++)
 	for (i=0;i<8;i++)
		*(disp_ram_addr+j*8+i)=*(disp_ram_addr+(j+1)*8+i);

 for (i=0;i<8;i++) 
 	*(disp_ram_addr+120+i)=temp[i];
	/*
 	if ((i%2)==0)
 		*(disp_ram_addr+120+i)=*(temp_ram_addr+i*16);
	else
		*(disp_ram_addr+120+i)=*(temp_ram_addr+(i-1)*16+1);*/
}

void down_move()
{
 
}

void disp_static()
{
 unsigned char data i,j;

 for (j=0;j<16;j++)
 	for (i=0;i<8;i++) 
		if ((i%2)==0)
			*(disp_ram_addr+j*8+i)=*(temp_ram_addr+i*16+j*2);
		else
			*(disp_ram_addr+j*8+i)=*(temp_ram_addr+(i-1)*16+j*2+1);
}

void disp_ram()
{
 char data scan_counter=0,counter=0;
 
 disp_counter=0x00;
 for (scan_counter=0;scan_counter<16;scan_counter++) {
 	for (counter=0;counter<8;counter++) {
		wait();
 		CPLD_SEL=LOW;
    	disp_word=*(disp_ram_addr+counter+scan_counter*8);
		CPLD_SEL= HIGH;
 		SCL = LOW;
 		SCL	= HIGH;
    	*write_addr=disp_word;
		//*write_addr=disp_counter;
		//disp_counter++;
		}
		XLAT=LOW;
		BLANK=LOW;
		XLAT=HIGH;
		BLANK=HIGH;
 	}
	//DATA_SEL=~DATA_SEL;
	/*
	if (speed_counter==0x40) disp_counter=0xff;
    if (speed_counter==0x80) disp_counter=0x55;
	if (speed_counter==0xc0) disp_counter=0xaa;
	if (speed_counter==0x00) disp_counter=0x00;
	if (speed_counter==0x00) disp_counter=disp_counter+1;
	*/
}
/*
void example()
{
 unsigned char counter;
 
 counter=0x00;
 *(temp_ram_addr+counter)=0xa2;
 counter++;
 *(temp_ram_addr+counter)=0x03;
 counter++;
 *(temp_ram_addr+counter)=0x63;
 counter++;
 *(temp_ram_addr+counter)=0x47;
 counter++;
 *(temp_ram_addr+counter)=0x22;
 counter++;
 *(temp_ram_addr+counter)=0x2e;
 counter++;
 *(temp_ram_addr+counter)=0xff;
 counter++;
 *(temp_ram_addr+counter)=0xc4;
 counter++;
 *(temp_ram_addr+counter)=0x2c;
 counter++;
 *(temp_ram_addr+counter)=0x28;
 counter++;
 *(temp_ram_addr+counter)=0x24;
 counter++;
 *(temp_ram_addr+counter)=0x56;
 counter++;
 *(temp_ram_addr+counter)=0x2a;
 counter++;
 *(temp_ram_addr+counter)=0xa0;
 counter++;
 *(temp_ram_addr+counter)=0x25;
 counter++;
 *(temp_ram_addr+counter)=0x50;
 counter++;
 *(temp_ram_addr+counter)=0xfe;
 counter++;
 *(temp_ram_addr+counter)=0x8c;
 counter++;
 *(temp_ram_addr+counter)=0x23;
 counter++;
 *(temp_ram_addr+counter)=0x46; 	
 counter++;
 *(temp_ram_addr+counter)=0x23;
 counter++;
 *(temp_ram_addr+counter)=0xa0;
 counter++;
 *(temp_ram_addr+counter)=0x3e;
 counter++;
 *(temp_ram_addr+counter)=0x10;
 counter++;
 *(temp_ram_addr+counter)=0x29;
 counter++;
 *(temp_ram_addr+counter)=0xcc;
 counter++;
 *(temp_ram_addr+counter)=0x10;
 counter++;
 *(temp_ram_addr+counter)=0x26;
 counter++;
 *(temp_ram_addr+counter)=0x20;
 counter++;
 *(temp_ram_addr+counter)=0xe2;
 counter++;
 *(temp_ram_addr+counter)=0x40;
 counter++;
 *(temp_ram_addr+counter)=0x01;
 counter++;
 *(temp_ram_addr+counter)=0x80;
 counter++;
 *(temp_ram_addr+counter)=0x10;
 counter++;
 *(temp_ram_addr+counter)=0xc1;
 counter++;
 *(temp_ram_addr+counter)=0x11;
 counter++;
 *(temp_ram_addr+counter)=0xa2;
 counter++;
 *(temp_ram_addr+counter)=0x2e;
 counter++;
 *(temp_ram_addr+counter)=0x9c; 	
 counter++;
 *(temp_ram_addr+counter)=0x24;
 counter++;
 *(temp_ram_addr+counter)=0xfb;
 counter++;
 *(temp_ram_addr+counter)=0x48;
 counter++;
 *(temp_ram_addr+counter)=0x94;
 counter++;
 *(temp_ram_addr+counter)=0x98;
 counter++;
 *(temp_ram_addr+counter)=0x93;
 counter++;
 *(temp_ram_addr+counter)=0x26;
 counter++;
 *(temp_ram_addr+counter)=0x9d;
 counter++;
 *(temp_ram_addr+counter)=0x40;
 counter++;
 *(temp_ram_addr+counter)=0x90;
 counter++;
 *(temp_ram_addr+counter)=0x80;
 counter++;
 *(temp_ram_addr+counter)=0x81;
 counter++;
 *(temp_ram_addr+counter)=0x48;
 counter++;
 *(temp_ram_addr+counter)=0x3f;
 counter++;
 *(temp_ram_addr+counter)=0x26;
 counter++;
 *(temp_ram_addr+counter)=0x04;
 counter++;
 *(temp_ram_addr+counter)=0x50;
 counter++;
 *(temp_ram_addr+counter)=0x08;
 counter++;
 *(temp_ram_addr+counter)=0x28; 	
 counter++;
 *(temp_ram_addr+counter)=0xff;
 counter++;
 *(temp_ram_addr+counter)=0xcc;
 counter++;
 *(temp_ram_addr+counter)=0x20;
 counter++;
 *(temp_ram_addr+counter)=0x06;
 counter++;
 *(temp_ram_addr+counter)=0x40;
 counter++;
 *(temp_ram_addr+counter)=0x01;
 counter++;
 *(temp_ram_addr+counter)=0xa8;
 counter++;
 *(temp_ram_addr+counter)=0x04;
 counter++;
 *(temp_ram_addr+counter)=0x64;
 counter++;
 *(temp_ram_addr+counter)=0x09;
 counter++;
 *(temp_ram_addr+counter)=0x22;
 counter++;
 *(temp_ram_addr+counter)=0x32;
 counter++;
 *(temp_ram_addr+counter)=0x31;
 counter++;
 *(temp_ram_addr+counter)=0xc6;
 counter++;
 *(temp_ram_addr+counter)=0x2e;
 counter++;
 *(temp_ram_addr+counter)=0xca;
 counter++;
 *(temp_ram_addr+counter)=0x3c;
 counter++;
 *(temp_ram_addr+counter)=0x34;
 counter++;
 *(temp_ram_addr+counter)=0x06; 	
counter++;
 *(temp_ram_addr+counter)=0x24;
 counter++;
 *(temp_ram_addr+counter)=0x19;
 counter++;
 *(temp_ram_addr+counter)=0x48;
 counter++;
 *(temp_ram_addr+counter)=0xf0;
 counter++;
 *(temp_ram_addr+counter)=0xb0;
 counter++;
 *(temp_ram_addr+counter)=0x17;
 counter++;
 *(temp_ram_addr+counter)=0xc0;
 counter++;
 *(temp_ram_addr+counter)=0x12;
 counter++;
 *(temp_ram_addr+counter)=0x60;
 counter++;
 *(temp_ram_addr+counter)=0x14;
 counter++;
 *(temp_ram_addr+counter)=0x18;
 counter++;
 *(temp_ram_addr+counter)=0x1c;
 counter++;
 *(temp_ram_addr+counter)=0x0c;
 counter++;
 *(temp_ram_addr+counter)=0x18;
 counter++;
 *(temp_ram_addr+counter)=0x06;
 counter++;
 *(temp_ram_addr+counter)=0x30;
 counter++;
 *(temp_ram_addr+counter)=0x06;
 counter++;
 *(temp_ram_addr+counter)=0x40;
 counter++;
 *(temp_ram_addr+counter)=0x01; 	
 counter++;
 *(temp_ram_addr+counter)=0x82;
 counter++;
 *(temp_ram_addr+counter)=0x02;
 counter++;
 *(temp_ram_addr+counter)=0xc2;
 counter++;
 *(temp_ram_addr+counter)=0x05;
 counter++;
 *(temp_ram_addr+counter)=0x73;
 counter++;
 *(temp_ram_addr+counter)=0xfa;
 counter++;
 *(temp_ram_addr+counter)=0x30;
 counter++;
 *(temp_ram_addr+counter)=0x04;
 counter++;
 *(temp_ram_addr+counter)=0x08;
 counter++;
 *(temp_ram_addr+counter)=0x0a;
 counter++;
 *(temp_ram_addr+counter)=0x3f;
 counter++;
 *(temp_ram_addr+counter)=0xf2;
 counter++;
 *(temp_ram_addr+counter)=0x22;
 counter++;
 *(temp_ram_addr+counter)=0x62;
 counter++;
 *(temp_ram_addr+counter)=0x41;
 counter++;
 *(temp_ram_addr+counter)=0xc2;
 counter++;
 *(temp_ram_addr+counter)=0x40;
 counter++;
 *(temp_ram_addr+counter)=0x82;
 counter++;
 *(temp_ram_addr+counter)=0x3f; 	
 counter++;
 *(temp_ram_addr+counter)=0xfa;
 counter++;
 *(temp_ram_addr+counter)=0x22;
 counter++;
 *(temp_ram_addr+counter)=0x22;
 counter++;
 *(temp_ram_addr+counter)=0x24;
 counter++;
 *(temp_ram_addr+counter)=0x52;
 counter++;
 *(temp_ram_addr+counter)=0x28;
 counter++;
 *(temp_ram_addr+counter)=0x2a;
 counter++;
 *(temp_ram_addr+counter)=0x3f;
 counter++;
 *(temp_ram_addr+counter)=0xc6;
 counter++;
 *(temp_ram_addr+counter)=0x20;
 counter++;
 *(temp_ram_addr+counter)=0x02;
 counter++;
 *(temp_ram_addr+counter)=0x40;
 counter++;
 *(temp_ram_addr+counter)=0x01;
}*/

void wait()
{
 unsigned char data i;

 for (i=0;i<2;i++);
}