No.58466
作者：wolf4000
邮件：hanghang1979@163.com
ID：23546
登陆：1次
文章数：1篇
最后登陆IP：211.95.168.249
最后登陆：2004/8/9 13:16:19
注册：2004/7/16 13:55:30
财富：55
发帖时间：2004/7/19 14:09:34
发贴者IP：211.95.168.250
标题：wolf4000:Can you help me?
摘要：No.58466Can you help me? 请大家帮忙浏览一下这个显示程序。程序是要在字符型液晶体模块（2*24，5*7点阵）上显
示两行字符，我反复检查了输入的显示地址都 没错，但是程序运行只能在第一行显示，我
找不出问题，请高手指点。（89s51控制芯片，控制驱动电路HD44780）
#include <reg51.h>
#include <absacc.h>
/*LCD*/ #define LCD_Data_Port P0
#define LINE1_ADDR 0x00
#define LINE2_ADDR 0x40
static void LCD_goxy(unsigned char x,unsigned char y);//LCD
static void LCD_clr(void);//clear display
static void LCD_CMD_Write(unsigned char pass_value);//write command
static void LCD_DAT_Write(unsigned char pass_value);//Write data
static void LCD_DAT_Write1(unsigned char pass_value);
static void LCD_CMD_Write1(unsigned char pass_value);
static unsigned char LCD_RAM_Read(void);
static void LCD_DAT_Read(void);
void LCD_init(void);
void LCD_Delay(void);
static void LCD_light();
sbit LCD_black_ligh=P2^7;
sbit LCD_E=P3^3;
sbit LCD_RS=P3^4;
sbit LCD_RW=P3^5;
sbit ALARM=P3^6;
sbit STATUS=P3^7;
sbit bflag=ACC^7;
void main(void)
{
int j=0,k=0;
unsigned char m,n;
unsigned char code Table_1[15]=
{0x31,0x2e,0x30,0x20,0x56,0x49,0x45,0x57,0x20,0x41,0x4c,0x41,0x52,0x4d,0x53};
unsigned char code Table_2[17]=
{0x41,0x4c,0x41,0x52,0x4d,0x53,0x20,0x4c,0x49,0x53,0x54,0x20,0x45,0x4d,0x50,0x54
,0x59};
LCD_light();
LCD_clr();
LCD_init();
LCD_goxy(0,1);
for(m=0;m <15;m++)
{
LCD_DAT_Write(Table_1[j++]);
LCD_E=0;
LCD_Data_Port=0xff;
}
LCD_goxy(1,2);
for(n=0;n <17;n++)
{
LCD_DAT_Write(Table_2[k++]);
LCD_E=0;
LCD_Data_ ......
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