C8051F410编写程序1602无法显示

只看该作者 · 2012-7-6 15:03

#include  <C8051F410.h>
#include  <math.h> //Keil library
#include  <stdio.h> //Keil library

#include  <INTRINS.H>
#define uchar unsigned char
#define uint unsigned int

unsigned char xdata Netdata[14]={0x77,0x77,0x77,0x2e,0x78,0x68,0x6c,0x2e
                              ,0x63,0x6f,0x6d,0x2e,0x63,0x6e};
unsigned char xdata NCDdata[14]={0x57,0x65,0x6c,0x63,0x6f,0x6d,0x65,0x20
                              ,0x74,0x6f,0x20,0x4e,0x43,0x44};

sbit LCM_EN=P1^0;
sbit LCM_RW=P1^1;
sbit LCM_RS=P1^2;
#define DataPort P0

void delay(int i)
{
   int j,k;
   for(j=0;j<i;j++)
   for(k=0;k<1000;k++);
}

void WaitForEnable(void)

{

DataPort=0xff;

LCM_RS=0;
LCM_RW=1;
_nop_();
LCM_EN=1;
_nop_();
_nop_();
while(DataPort&0x80);

LCM_EN=0;

}

void WriteCommandLCM(uchar CMD,uchar Attribc)
{
if(Attribc)WaitForEnable();

LCM_RS=0;LCM_RW=0;
_nop_();
DataPort=CMD;
_nop_();

LCM_EN=1;
_nop_();
_nop_();
LCM_EN=0;
}

void WriteDataLCM(uchar dataW)
{

WaitForEnable();

LCM_RS=1;LCM_RW=0;
_nop_();
DataPort=dataW;
_nop_();

LCM_EN=1;
_nop_();
_nop_();
LCM_EN=0;
}

void InitLcd()

{

WriteCommandLCM(0x38,1);

WriteCommandLCM(0x08,1);

WriteCommandLCM(0x01,1);

WriteCommandLCM(0x06,1);

WriteCommandLCM(0x0c,1);
}

void SYSCLK_Init(void)
{
      OSCICN = 0x87;
}

void PORT_Init(void)
{
P0MDOUT = 0xFF;
P1MDOUT = 0xFF;
XBR1    = 0x40;
}

void main()
{
unsigned int i;
PCA0MD &= ~0x40;

SYSCLK_Init();

PORT_Init();

InitLcd();

//write_com(0x80);

//write_data('H');


while(1)  //最后程序停留在while语句中

{

for(i=0;i<14;i++)

{

WriteDataLCM(Netdata[i]);


delay(20);

}

WriteCommandLCM(0x80+0x51,1);

for(i=0;i<14;i++)

{

WriteDataLCM(NCDdata[i]);

delay(20);

}

for(i=0;i<14;i++)
//整屏左移

{

WriteCommandLCM(0x18,1);  //整屏左移一个字节

delay(400);

}

InitLcd();

  /*unsigned int n;

for(n=0;n<14;n++)

{

write_data(NCDdata[n]);

}

delay(5);

LCD_Init();*/

}
}