l12864.c

MSP430ADC采样12864显示

#include "L12864.h"
void delay12864(uint x)
{
  for(uint i=x;i>0;i--)
    for(uint j=100;j>0;j--);
}
void sendbyte(unsigned char zdata)//送八位数据
{
	unsigned int i;
	for(i=0; i<8; i++)
	{
		
		if((zdata << i) & 0x80)
		{
			SID_SET;
		}
		else 
		{
			SID_CL;
		}
		SCLK_CL;	
                SCLK_SET;	
	}
}

void write_com(unsigned char cmdcode)//写命令
{
	CS_SET;
	sendbyte(0xf8);
	sendbyte(cmdcode & 0xf0);
	sendbyte((cmdcode << 4) & 0xf0);
	delay12864(1);
	CS_CL;
        
}


void write_data(unsigned char Dispdata)//写数据
{
	CS_SET;
	sendbyte(0xfa);
	sendbyte(Dispdata & 0xf0);
	sendbyte((Dispdata << 4) & 0xf0);
	delay12864(1);
	CS_CL;
        
}
void L12864_address(uchar x,uchar y)	//地址转换
{
	uchar address=0;
	switch(y)
	{
		case 0: address=0x80+x;break;
		case 1: address=0x90+x;break;
		case 2: address=0x88+x;break;
		case 3: address=0x98+x;break;
		default:break;
	}
	write_com(address);	   //写命令
}
void L12864_String(uchar x,uchar y,uchar *p)	//地址  字符串
{
	L12864_address(x,y);
	while(*p!='\0')
	{
		write_data(*p);
		p++;
	}
}
void L12864_Char(uchar x,uchar y,uchar p)	//地址  1字符
{
	L12864_address(x,y);
	write_data(p);
}
void L12864DisNum(uchar x,uchar y,uchar size,unsigned long number)//地址 数的长度 数
{
	uchar i,devicenum[10];
	L12864_address(x,y);
	devicenum[0]=number/1000000000;	
	devicenum[1]=number%1000000000/100000000;
	devicenum[2]=number%100000000/10000000;
	devicenum[3]=number%10000000/1000000;
	devicenum[4]=number%1000000/100000;
	devicenum[5]=number%100000/10000;
	devicenum[6]=number%10000/1000;
	devicenum[7]=number%1000/100;
	devicenum[8]=number%100/10;
	devicenum[9]=number%10;
	for(i=10-size;i<=9;i++)
	{
		write_data(devicenum[i]+0x30);	
	}
}
void L12864_int()
{
	PdirtSet;
	
	delay12864(1);
	write_com(0x30);
	delay12864(1);
	write_com(0x30);
	delay12864(1);	
	write_com(0x08);
	delay12864(1);
	write_com(0x10);
	delay12864(1);
	write_com(0x0c);
	delay12864(1);
	write_com(0x01);
	delay12864(1);
	write_com(0x06);
	delay12864(1);
}