单片机+lcd12864液晶万年历C程序

这个是主菜单界面

这个是设置时间的子界面

这个是设置日期

设置背景光

这是设置了按键音和闹铃以后，主界面出现状态标志
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闹铃的界面，喇叭出现铃声。

生日倒计时提醒功能。

全部完整的源代码下载：http://www.51hei.com/bbs/dpj-20391-1.html

下面是12864.h文件：/*------------------------------------
名称:LCD9012驱动模块
编写:YuMin_Dong
时间:2013.01.21
------------------------------------*/

#ifndef _LCD12864_H_
#define _LCD12864_H_

/*------------------------------------
   I/O位定义
------------------------------------*/
sbit RS=P2^0;
sbit RW=P2^1;
sbit EN=P2^2;

/*------------------------------------
   宏定义
------------------------------------*/
#define DataPort P1
#define RS_CLR RS=0
#define RS_SET RS=1
#define RW_CLR RW=0
#define RW_SET RW=1
#define EN_CLR EN=0
#define EN_SET EN=1
//#define PSB_CLR PSB=0
//#define PSB_SET PSB=1
//#define RST_CLR RST=0
//#define RST_SET RST=1

#define MENU_NUM 7  //表示有主菜单有7个选项

UINT8 guide,guide_old=1; //主菜单导航箭头定义,guide_old在有按键前等于guide,有修改后guide_old变化用来作为刷新显示的条件

/*------------------------------------
   主菜单内容
------------------------------------*/
code UINT8 *MainMenu[]={"  1.时间设置","  2.日期设置","  3.闹钟功能","  4.背光开关","  5.键音开关","  6.生日提醒","  7.返回"};

/*------------------------------------
   判忙函数
------------------------------------*/
void LCD_CheckBusy()
{
RS_CLR;
RW_SET;
EN_SET;
DataPort=0xff;
while(DataPort&0x80)
;
EN_CLR;
}

/*------------------------------------
   写命令函数
------------------------------------*/
void LCD_WriteCommand(UINT8 byte)
{
LCD_CheckBusy();
RS_CLR;
RW_CLR;
EN_SET;
DataPort=byte;
DelayUs2x(5);
EN_CLR;
DelayUs2x(5);
}

/*------------------------------------
   写数据函数 
------------------------------------*/
void LCD_WriteData(UINT8 byte)
{
LCD_CheckBusy();
RS_SET;
RW_CLR;
EN_SET;
DataPort=byte;
DelayUs2x(5);
EN_CLR;
DelayUs2x(5);
}

/*------------------------------------
   LCD初始化
------------------------------------*/
void LCD_Init()
{
//DelayMs(30);
//PSB_SET; //设置并口模式
//DelayMs(1);
//RST_CLR;
//DelayMs(1);
//RST_SET;
//DelayMs(10);
LCD_WriteCommand(0x30); //选择基础指令集
DelayUs2x(50);   //延时大于100us
//LCD_WriteCommand(0x30); //
//DelayUs2x(20);   //延时大于37us
LCD_WriteCommand(0x0c); //开始显示,无反白,无游标
DelayUs2x(50);   //延时大于100us
LCD_WriteCommand(0x01); //清屏
DelayMs(5);   
//LCD_WriteCommand(0x06); //读取或写入时,游标移动方向,设定从右向左
//DelayUs2x(50);   //延时大于100us
}

/*------------------------------------
   设置坐标
------------------------------------*/
/*void LCD_SetXY(UINT8 x,UINT8 y)
{
 switch(y)
 {
 case 0: LCD_WriteCommand(0x80+x);
   break;
 case 1: LCD_WriteCommand(0x90+x);
   break;
 case 2: LCD_WriteCommand(0x88+x);
   break;
 case 3: LCD_WriteCommand(0x98+x);
   break;
 default:break;
 }
}*/

/*------------------------------------
   写字符串
------------------------------------*/
void LCD_SendString(UINT8 *s)
{
//LCD_SetXY(x,y);
 while(*s&&s)
 {
 LCD_WriteData(*s);
 s++;
 }
}

/*------------------------------------
   设置CGRAM
------------------------------------*/
void LCD_SetCGRAM(UINT8 n,UINT8 *pic) //第n个自定义字符
{
UINT8 i;
LCD_WriteCommand(0x30);
LCD_WriteCommand(0x40+n*16);
 for(i=0;i<16;i++)
 {
 LCD_WriteData(*(pic+2*i));
 LCD_WriteData(*(pic+2*i+1));
 }
}

/*------------------------------------
   显示CGRAM
------------------------------------*/
void LCD_DisplayCGRAM(UINT8 n)
{
//LCD_WriteCommand(0x30);
LCD_WriteData(0x00);
LCD_WriteData(0x02*n);
}

/*------------------------------------
   GDRAM绘16x16图
------------------------------------
void LCD_SendImg16x16(UINT8 x,UINT8 y,UINT8 *img,bit g)  //(x,y)坐标 img指向16x16字模数组,g为是否反白
{
UINT8 i,j,base_x;
LCD_WriteCommand(0x34);
LCD_WriteCommand(0x36);
 if(y==0||y==1)
 {
 base_x=0x80;
 y=y*16;
 }
 else 
 {
 base_x=0x88;
 y=(y-2)*16;
 }
 for(i=0;i<16;i++) 
 {               
  LCD_WriteCommand(0x80+y+i); 
  LCD_WriteCommand(base_x+x);  
  for(j=0;j<2;j++)  
  {
   if(g)
    LCD_WriteData(~(*img++));
   else
    LCD_WriteData(*img++);
  }
 } 
LCD_WriteCommand(0x36);
//LCD_WriteCommand(0x30);
}*/

/*------------------------------------
   GDRAM绘16x32图
------------------------------------*/
void LCD_SendImg16x32(UINT8 x,UINT8 y,UINT8 *img,bit g)//x标志表示是否反白。
{
UINT8 i,j,base_x;
LCD_WriteCommand(0x34);
LCD_WriteCommand(0x36);
switch(y)
{
case 0: base_x=0x80;break;
case 1: base_x=0x90;break;
case 2: base_x=0x88;break;
default:return;
}
 if(y==0||y==2)
 {
  for(i=0;i<32;i++)
  {
  LCD_WriteCommand(0x80+i);
  LCD_WriteCommand(base_x+x);
   for(j=0;j<2;j++)
   {
   if(!g)
   LCD_WriteData(*img++);
   else LCD_WriteData(~(*img++));
   }
  }
 }
 if(y==1)
 {
  for(i=0;i<16;i++)
  {
  LCD_WriteCommand(0x90+i);
  LCD_WriteCommand(base_x+x);
   for(j=0;j<2;j++)
   {
   if(g)
   LCD_WriteData(~(*img++));
   else
   LCD_WriteData(*img++);
   }
  }
  for(i=0;i<16;i++)
  {
  LCD_WriteCommand(0x80+i);
  LCD_WriteCommand(base_x+x+8);
   for(j=0;j<2;j++)
   {
   if(g)
   LCD_WriteData(~(*img++));
   else
   LCD_WriteData(*img++);
   }
  }
 }
LCD_WriteCommand(0x36);
//LCD_WriteCommand(0x30);
}

/*------------------------------------
   GDRAM绘制128x64
------------------------------------*/
void LCD_SendImg128x64(UINT8 *img)
{
UINT8 i,j;
//LCD_WriteCommand(0x30);
LCD_WriteCommand(0x36);
 for(i=0;i<32;i++)
 {
 LCD_WriteCommand(0x80+i);
 LCD_WriteCommand(0x80);
  for(j=0;j<16;j++)
  {
  LCD_WriteData(*img++);
  }
 }
 for(i=0;i<32;i++)
 {
 LCD_WriteCommand(0x80+i);
 LCD_WriteCommand(0x88);
  for(j=0;j<16;j++)
  {
  LCD_WriteData(*img++);
  }
 }
LCD_WriteCommand(0x36);
}

/*------------------------------------
   清除GDRAM
------------------------------------*/
void LCD_ClearGDRAM()
{
UINT8 i,j;
LCD_WriteCommand(0x30);   //一般指令
LCD_WriteCommand(0x0C);   //开启显示
LCD_WriteCommand(0x06);   //AC++
LCD_WriteCommand(0x01);   //清DDRAM
LCD_WriteCommand(0x36);   //开启绘图
//LCD_InitGDRAM();
LCD_WriteCommand(0x36);   //显示绘图
 for(i=0;i<32;i++)   //在DGRAM里写满0,表示清除GDRAM
 {
 LCD_WriteCommand(0x80+i);
 LCD_WriteCommand(0x80);
  for(j=0;j<16;j++)
  {
  LCD_WriteData(0x00);
  LCD_WriteData(0x00);
  }
 }
LCD_WriteCommand(0x36);  //绘图完毕,开启显示
}

/*------------------------------------
   清除1,2,3行屏
------------------------------------*/
void LCD_ClearScreen123()
{
LCD_WriteCommand(0x30);
 LCD_WriteCommand(0x90);
 LCD_SendString("                ");
 LCD_WriteCommand(0x88);
 LCD_SendString("                ");
 LCD_WriteCommand(0x98);
 LCD_SendString("                ");
}

/*------------------------------------
   菜单选择更新
------------------------------------*/
void LCD_RefreshMenu()
{
LCD_ClearScreen123();
 LCD_WriteCommand(0x90);
 if(0+(guide/3)*3  LCD_SendString(*(MainMenu+(guide/3)*3));
 
 LCD_WriteCommand(0x88);
 if(1+(guide/3)*3  LCD_SendString(*(MainMenu+(guide/3)*3+1));
 
 LCD_WriteCommand(0x98);
 if(2+(guide/3)*3  LCD_SendString(*(MainMenu+(guide/3)*3+2));
 
 switch(guide%3)
 {
 case 0: LCD_WriteCommand(0x90);break;
 case 1: LCD_WriteCommand(0x88);break;
 case 2: LCD_WriteCommand(0x98);break;
 default:return ;
 }
 LCD_DisplayCGRAM(1);
}

#endif