lcd.c

STC12C5410AD-是一款功能非常强大的且-兼容C51的单片机。本程序代码采用STC12C5410AD单片机驱动ICL7135双积分的高性能AD芯片。程序经几天调试通过。完全可用。

#include"lcd.h"

unsigned char bdata CS = 0;
unsigned char LCDX=0;
unsigned char LCDY=0;

void BUSY_WAIT(void)
{
	while(Read_Condition & 0x80 != 0);
}


void LCD_ON(void)
{
	BUSY_WAIT();
	Write_comond = ON;
}


void LCD_OFF(void)
{
	BUSY_WAIT();
	Write_comond = OFF;
}


void LCD_START_LINE(unsigned char line)
{
	BUSY_WAIT();
	Write_comond = line | START_LINE;
}


void LCD_PAGE(unsigned char page)
{
	BUSY_WAIT();
	Write_comond = (page & 0x07) | PAGE_ADD;
}


void LCD_X(unsigned char x)			//设置列地址(0~63)
{
	BUSY_WAIT();
	Write_comond = (x & 0x3F) | COL_ADD;
}


void LCD_WRITE_DATA(unsigned char dat)
{
	BUSY_WAIT();
	Write_data = dat;
}


void CLEAR(void)
{
	unsigned char i,j;
	for ( j=0; j<8; j++ )
	{
		LCD_PAGE(j);
		LCD_X(0);	
		for ( i=0; i<64; i++ )
		{
			LCD_WRITE_DATA(0x00);
		}
	}
}


void LCD_CLEAR(void)
{
	CSA_ON();	
	CLEAR();
	CSA_OFF();
	CSB_ON();
	CLEAR();
	CSB_OFF();
}


void LcdInit(void)
{
	CSA_ON();				//设置左右半屏起始行
	LCD_START_LINE(0);
	CSA_OFF();
	CSB_ON();
	LCD_START_LINE(0);
	CSB_OFF();

	LCD_CLEAR();

	CSA_ON();
	LCD_ON();
	CSA_OFF();
	CSB_ON();
	LCD_ON();
	CSB_OFF();
}


void WRITE_HZ_16X16(unsigned char *hz,unsigned char x,unsigned char y)
{
	unsigned char i,j;
	if(x<64)
	{
		CSA_ON();
		for(i=0;i<2;i++)
		{
			LCD_PAGE(y+i);
			LCD_X(x);
			for(j=0;j<16;j++)
			{
				LCD_WRITE_DATA(*hz++);
			}
		}
		CSA_OFF();
	}	
	else
	{
		CSB_ON();
		for(i=0;i<2;i++)
		{
			LCD_PAGE(y+i);
			LCD_X(x-64);
			for(j=0;j<16;j++)
			{
				LCD_WRITE_DATA(*hz++);
			}
		}
		CSB_OFF();
	}	
}

void WRITE_ASCII(unsigned Page, unsigned char x, unsigned char *ASCII)
{
	unsigned char i,j;

	
	if(x<64)
	{
		CSA_ON();
		for(i=0;i<2;i++)
		{
			LCD_PAGE(Page+i);
			LCD_X(x);
			
			for(j=0;j<8;j++)
			{
				LCD_WRITE_DATA(*ASCII++);
			}
		}
		CSA_OFF();	
	}	
	else
	{
		CSB_ON();
		for(i=0;i<2;i++)
		{
			LCD_PAGE(Page+i);
			LCD_X(x-64);
			
			for(j=0;j<8;j++)
			{
				LCD_WRITE_DATA(*ASCII++);
			}
		
		}
		CSB_OFF();	
	}
}