蓝牙程序 - - Powered by Discuz!

标题: 蓝牙程序 [打印本页]

作者: 康师傅1 时间: 2017-7-7 15:35
标题: 蓝牙程序
#include <reg52.h>
#include "delay.h"

sbit RS = P2^2;
sbit RW = P2^1;
sbit E  = P2^0;
sbit RES = P2^5;
sbit PSB = P2^3;

#define DataPort P0       //MCU P0<------> LCM

/*
unsigned char code user16x16[]={ //笑脸图片
0x0F,0xF0,0x10,0x08,0x20,0x04,0x40,0x02,0x9C,0x39,0xBE,0x7D,0x80,0x01,0x80,0x01,
0x80,0x01,0x88,0x11,0x84,0x21,0x43,0xC2,0x20,0x04,0x10,0x08,0x0F,0xF0,0x00,0x00,
};
*/
/*------------------------------------------------
                  检测忙位
------------------------------------------------*/
void Check_Busy()
{
RS=0;
RW=1;
E=1;
DataPort=0xff;
while((DataPort&0x80)==0x80);//忙则等待
E=0;
}
/*------------------------------------------------
               写命令
------------------------------------------------*/
void Write_Cmd(unsigned char Cmd)
{
Check_Busy();
RS=0;
RW=0;
E=1;
DataPort=Cmd;
DelayUs2x(5);
E=0;
DelayUs2x(5);
}
/*------------------------------------------------
                  写数据
------------------------------------------------*/
void Write_Data(unsigned char Data)
{
Check_Busy();
RS=1;
RW=0;
E=1;
DataPort=Data;
DelayUs2x(5);
E=0;
DelayUs2x(5);
}
/*------------------------------------------------
               液晶屏初始化
------------------------------------------------*/
void Init_ST7920()
{
DelayMs(40);          //大于40MS的延时程序
PSB=1;                //设置为8BIT并口工作模式
DelayMs(1);          //延时
RES=0;                //复位
DelayMs(1);          //延时
RES=1;                //复位置高
DelayMs(10);
Write_Cmd(0x30);    //选择基本指令集
DelayUs2x(50);       //延时大于100us
Write_Cmd(0x30);    //选择8bit数据流
DelayUs2x(20);       //延时大于37us
Write_Cmd(0x0c);    //开显示(无游标、不反白)
DelayUs2x(50);       //延时大于100us
Write_Cmd(0x01);    //清除显示，并且设定地址指针为00H
DelayMs(15);          //延时大于10ms
Write_Cmd(0x06);    //指定在资料的读取及写入时，设定游标的移动方向及指定显示的移位，光标从右向左加1位移动
DelayUs2x(50);       //延时大于100us
}
/*------------------------------------------------
               用户自定义字符
------------------------------------------------
void CGRAM()
{
   int i;
   Write_Cmd(0x30);
   Write_Cmd(0x40);
   for(i=0;i<16;i++)
   {
      Write_Data(user16x16[i*2]);
      Write_Data(user16x16[i*2+1]);
   }
}    */
/*------------------------------------------------
               显示用户自定义字符
------------------------------------------------
void DisplayCGRAM(unsigned char x,unsigned char y)
{
switch(y)
   {
   case 1: Write_Cmd(0x80+x);break;
   case 2: Write_Cmd(0x90+x);break;
   case 3: Write_Cmd(0x88+x);break;
   case 4: Write_Cmd(0x98+x);break;
   default:break;
   }
Write_Data(00);
Write_Data(00);

}          */
/*------------------------------------------------
               显示字符串
x:横坐标值，范围0~8
y:纵坐标值，范围1~4
------------------------------------------------*/
void LCD_PutString(unsigned char x,unsigned char y,unsigned char code *s)
{
switch(y)
   {
   case 1: Write_Cmd(0x80+x);break;
   case 2: Write_Cmd(0x90+x);break;
   case 3: Write_Cmd(0x88+x);break;
   case 4: Write_Cmd(0x98+x);break;
   default:break;
   }
while(*s>0)
{
   Write_Data(*s);
   s++;
   DelayUs2x(50);
}
}
/*------------------------------------------------
                  清屏
------------------------------------------------*/
void ClrScreen()
{
Write_Cmd(0x01);
DelayMs(15);
}

/*------------------------------------------------
               显示图片
------------------------------------------------*/
void LCD_PutGraphic(unsigned char code *img)
{
int i,j;
//显示上半屏内容设置
for(i=0;i<32;i++)
{
   Write_Cmd(0x80 + i); //SET  垂直地址 VERTICAL ADD
   Write_Cmd(0x80);    //SET  水平地址 HORIZONTAL ADD
   for(j=0;j<16;j++)
   {
      Write_Data(*img);
      img++;
   }
}
//显示下半屏内容设置
for(i=0;i<32;i++)
{
   Write_Cmd(0x80 + i); //SET 垂直地址 VERTICAL ADD
   Write_Cmd(0x88);    //SET 水平地址 HORIZONTAL ADD
   for(j=0;j<16;j++)
   {
      Write_Data(*img);
      img++;
   }
}

}
/*------------------------------------------------
               设置到绘图模式
------------------------------------------------*/
void SetGraphicMode()
{
Write_Cmd(0x36);    //选择8bit数据流图形模式
DelayUs2x(20);

}
void display_init()
{
   LCD_PutString(0,1,"智能家居控制系统");
   LCD_PutString(0,2,"学生：郑家波");
   LCD_PutString(0,3,"老师：李湘文");
   LCD_PutString(0,4,"时间：2015/6/2");
}

/*------------------------------------------------
               主程序
------------------------------------------------
main()
{
  unsigned char i;
  // CGRAM();    //写入自定义字符

Init_ST7920(); //初始化
      LCD_PutString(0,1,"智能家居控制系统");
   LCD_PutString(0,2,"学生：郑家波");
   LCD_PutString(0,3,"老师：李湘文");
   LCD_PutString(0,4,"时间：2015/5/5");
   //延时30x200ms
   for(i=0;i<30;i++)
      DelayMs(200);
   ClrScreen();
      while(1)
{
   LCD_PutString(0,1,"窗帘OFF 灯光OFF");
   LCD_PutString(0,2,"烟雾OK  温度OK ");
   LCD_PutString(0,3,"  温度：28°C");
   LCD_PutString(0,4,"  光照度：53% ");
   //延时30x200ms
   for(i=0;i<30;i++)
      DelayMs(200);
   LCD_PutString(0,1,"窗帘ON  灯光OFF");
   for(i=0;i<30;i++)
      DelayMs(200);
   ClrScreen();
   LCD_PutString(0,2,"  短信通知中..."); //"正”字显示不出
      for(i=0;i<20;i++)
      DelayMs(200);


}
}
   */

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