12864温度显示，并行带字库乱码 -

标题: 12864温度显示，并行带字库乱码 [打印本页]

作者: 仰望青春 时间: 2015-11-10 11:28
标题: 12864温度显示，并行带字库乱码
#include <12864.h>
#include "delay.h"
sbit RS = P2^2;
sbit RW = P2^3;
sbit E  = P2^4;
sbit RES = P2^7;
sbit PSB = P2^5;
#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);
}

main()
{
  unsigned char i, num=0,j;
  unsigned char temp[7;//定义显示区域临时存储数组
  float Voltage;       //定义浮点变量
  CGRAM();    //写入自定义字符
  Init_ST7920(); //初始化
  ClrScreen();
  while(1)
{

   for(j=0;j<5;j++)
   num=ReadADC(0);
   Voltage=(float)num*5/256;
   sprintf(temp,"%d",Voltage);
   Init_ST7920(); //初始化

   LCD_PutString(0,3,"显示:");
   LCD_PutString(4,3,temp);


   DisplayCGRAM(7,1); //在第一行第一个位置和
   DisplayCGRAM(0,1); //最后一个位置写入自定义图片笑脸


for(i=0;i<30;i++)  //延时30x200ms
   DelayMs(200);
   ClrScreen();


         }
   }

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作者: admin 时间: 2015-11-10 11:48
有没有安装汉字补丁？

作者: 仰望青春 时间: 2015-11-11 14:09

admin 发表于 2015-11-10 11:48
有没有安装汉字补丁？

那个需要吗

作者: ahshmj 时间: 2015-11-11 19:55
程序不完整，看不出来。

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