⭐ 欢迎来到虫虫下载站！ | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站
📤 上传资源

📄 main.c

📁 我写的LCD-19264液晶屏驱动程序
💻 C
📖 第 1 页 / 共 2 页
字号:
🔍
12 
//ACM-19264汉字液晶显示驱动程序

#include <reg52.H>
#include <absacc.h>
#include <string.h>
#include <intrins.h>
#include <math.h>

sbit BUSY = P3^0;
// LCD192*64 数据线
//#define LCD12864DataPort P0
#define uint unsigned int
#define uchar unsigned char
#define ulong unsigned long


//打印位定义区
sbit TX = P3^0;
sbit CS = P3^1;
bit bfdayin=0;  //设置位 置0  设置电流 ，置1  设置打印

//AD位定义区
sbit adclk = P3^2; //ad0832时钟信号源
sbit ado  = P3^3; //ad0832输出值
sbit adi  = P3^3; //ad0832输出值

sbit adcs  = P1^0; //adc0832片选

// LCD192*64 I/O 信号管脚 定义区
sbit di = P2^7; // 数据\指令 选择
sbit rw = P2^6; // 读\写 选择
sbit en = P2^5; // 读\写使能
sbit cs1 = P2^4; // 片选1,低有效(前64列)
sbit cs2 = P2^3; // 片选2,低有效(中64列)
sbit cs3 = P2^2; // 片选3,低有效(后64列)



sbit SDA=P2^1;            //模拟I2C数据传送位
sbit SCL=P2^0;            //模拟I2C时钟控制位
bit ack;	              //应答标志位





/*******************************************************************
                    （1） 起动总线函数
函数原型: void  Start_I2c();
功能:       启动I2C总线,即发送I2C起始条件.

********************************************************************/
void Start_I2c()
{
  SDA=1;             //发送起始条件的数据信号
  _nop_();
  SCL=1;
  _nop_();         //起始条件建立时间大于4.7us,延时
  _nop_();
  _nop_();
  _nop_();
  _nop_();
  SDA=0;           //发送起始信号
  _nop_();        // 起始条件锁定时间大于4μs
  _nop_();
  _nop_();
  _nop_();
  _nop_();
  SCL=0;             //钳住I2C总线，准备发送或接收数据
  _nop_();
  _nop_();
}
/*******************************************************************
                     （2）结束总线函数
函数原型: void  Stop_I2c();
功能:       结束I2C总线,即发送I2C结束条件.
 ********************************************************************/
void Stop_I2c()
{
  SDA=0;              //发送结束条件的数据信号
  _nop_();           //发送结束条件的时钟信号
  SCL=1;             //结束条件建立时间大于4μs
  _nop_();
  _nop_();
  _nop_();
  _nop_();
  _nop_();
  SDA=1;            //发送I2C总线结束信号
  _nop_();
  _nop_();
  _nop_();
  _nop_();
}
/*******************************************************************
                （3）字节数据发送函数
函数原型: void  SendByte(uchar c);
功能:  将数据c发送出去,可以是地址,也可以是数据,发完后等待应答,并对
     此状态位进行操作.(不应答或非应答都使ack=0 假)
     发送数据正常，ack=1; ack=0表示被控器无应答或损坏。
********************************************************************/
void  SendByte(uchar c)
{
 uchar BitCnt;
  for(BitCnt=0;BitCnt<8;BitCnt++)  //要传送的数据长度为8位
    {
     if((c<<BitCnt)&0x80)SDA=1;   //判断发送位
       else  SDA=0;
     _nop_();
     SCL=1;               //置时钟线为高，通知被控器开始接收数据位
      _nop_();
      _nop_();               //保证时钟高电平周期大于4μs
      _nop_();
      _nop_();
      _nop_();
     SCL=0;
    }
    _nop_();
    _nop_();
    SDA=1;               //8位发送完后释放数据线，准备接收应答位
    _nop_();
    _nop_();
    SCL=1;
    _nop_();
    _nop_();
    _nop_();
    if(SDA==1)ack=0;
       else ack=1;        //判断是否接收到应答信号
    SCL=0;
    _nop_();
    _nop_();
}
/*******************************************************************
                 （4）字节数据接收函数
函数原型: uchar  RcvByte();
功能:  用来接收从器件传来的数据,并判断总线错误(不发应答信号)，
     发完后请用应答函数。
********************************************************************/
uchar  RcvByte()
{
  uchar retc;
  uchar BitCnt;

  retc=0;
  SDA=1;             //置数据线为输入方式
  for(BitCnt=0;BitCnt<8;BitCnt++)
      {
        _nop_();
        SCL=0;          //置时钟线为低，准备接收数据位
        _nop_();
        _nop_();         //时钟低电平周期大于4.7μs
        _nop_();
        _nop_();
        _nop_();
        SCL=1;       //置时钟线为高使数据线上数据有效
        _nop_();
        _nop_();
        retc=retc<<1;
        if(SDA==1)retc=retc+1; //读数据位,接收的数据位放入retc中
        _nop_();
        _nop_();
      }
  SCL=0;
  _nop_();
  _nop_();
  return(retc);
}
/********************************************************************
                     （5）应答子函数
原型:  void Ack_I2c(bit a);

功能:主控器进行应答信号,(可以是应答或非应答信号)
********************************************************************/
void Ack_I2c(bit a)
{

  if(a==0)SDA=0;     //在此发出应答或非应答信号
        else SDA=1;
  _nop_();
  _nop_();
  _nop_();
  SCL=1;
    _nop_();
    _nop_();             //时钟低电平周期大于4μs
    _nop_();
    _nop_();
    _nop_();
 SCL=0;                //清时钟线，钳住I2C总线以便继续接收
    _nop_();
    _nop_();
}
/*******************************************************************
                    （6）向无子地址器件发送字节数据函数
函数原型: bit  ISendByte(uchar sla,ucahr c);
功能:     从启动总线到发送地址，数据，结束总线的全过程,从器件地址sla.
           如果返回1表示操作成功，否则操作有误。
注意：    使用前必须已结束总线。
********************************************************************/
bit ISendByte(uchar sla,uchar c)
{
   Start_I2c();               //启动总线
   SendByte(sla);            //发送器件地址
     if(ack==0)return(0);
   SendByte(c);               //发送数据
     if(ack==0)return(0);
  Stop_I2c();                 //结束总线
  return(1);
}
/*******************************************************************
                    （7）向有子地址器件发送多字节数据函数
函数原型: bit  ISendStr(uchar sla,uchar suba,ucahr *s,uchar no);
功能:     从启动总线到发送地址，子地址,数据，结束总线的全过程,从器件
          地址sla，子地址suba，发送内容是s指向的内容，发送no个字节。
           如果返回1表示操作成功，否则操作有误。
注意：    使用前必须已结束总线。
********************************************************************/
bit ISendStr(uchar sla,uchar suba,uchar *s,uchar no)
{
   uchar i;

   Start_I2c();               //启动总线
   SendByte(sla);            //发送器件地址
     if(ack==0)return(0);
   SendByte(suba);            //发送器件子地址
     if(ack==0)return(0);

   for(i=0;i<no;i++)
    {
     SendByte(*s);               //发送数据
       if(ack==0)return(0);
     s++;
    }
 Stop_I2c();                 //结束总线
  return(1);
}
/*******************************************************************
                    （8）向无子地址器件读字节数据函数
函数原型: bit  IRcvByte(uchar sla,ucahr *c);
功能:     从启动总线到发送地址，读数据，结束总线的全过程,从器件地
          址sla，返回值在c.
           如果返回1表示操作成功，否则操作有误。
注意：    使用前必须已结束总线。
********************************************************************/
bit IRcvByte(uchar sla,uchar *c)
{
   Start_I2c();                //启动总线
   SendByte(sla+1);           //发送器件地址
     if(ack==0)return(0);
   *c=RcvByte();               //读取数据
     Ack_I2c(1);               //发送非就答位
  Stop_I2c();                  //结束总线
  return(1);
}
/*******************************************************************
                    （9）向有子地址器件读取多字节数据函数
函数原型: bit  ISendStr(uchar sla,uchar suba,ucahr *s,uchar no);
功能:     从启动总线到发送地址，子地址,读数据，结束总线的全过程,从器件
          地址sla，子地址suba，读出的内容放入s指向的存储区，读no个字节。
           如果返回1表示操作成功，否则操作有误。
注意：    使用前必须已结束总线。
********************************************************************/
bit IRcvStr(uchar sla,uchar suba,uchar *s,uchar no)
{
   uchar i;

   Start_I2c();               //启动总线
   SendByte(sla);            //发送器件地址
     if(ack==0)return(0);
   SendByte(suba);            //发送器件子地址
     if(ack==0)return(0);
   Start_I2c();
   SendByte(sla+1);
      if(ack==0)return(0);
   for(i=0;i<no-1;i++)
    {
     *s=RcvByte();               //发送数据
      Ack_I2c(0);                //发送就答位
     s++;
    }
   *s=RcvByte();
    Ack_I2c(1);                 //发送非应位
 Stop_I2c();                    //结束总线
  return(1);
}
void Delay(uint i)
{
uint j;
for(;i>0;i--)
for(j=0;j<125;j++)
{;}
}







void  delay1ms(uchar ui) /* 延时函数,晶振为11.0592m*/
{
	uint i,z,j;
	for ( j=0; j< ui; j++)
	for ( i=0; i < 2 ; i++ )
		for ( z=0; z <100; z++);
}

/*忙判别*/
void lcd_busy(void)
{
	 di=0;rw=1;P0=0xff;
	 while (1)
	  {
		en=1;
		if (P0<0x80) break;
		en=0;
	  }
	en=0;
}
/*设置xy*/
void set_xy(unsigned char x,unsigned char y)
 {   y=y%192;
	if (y<64)
		{
			cs1=0;
			cs2=1;
			cs3=1;
		}
	else if(y<128)
		{
			cs1=1;
			cs2=0;
			cs3=1;
		}
		   else
		   	{
		   	 cs1=1;
			   cs2=1;
			   cs3=0;
		   	}

	lcd_busy();
	di=0;
	rw=0;

	P0=0xb8|x;       //设置页地址
  en=1;
	en=0;

	lcd_busy();
	di=0;
	rw=0;

  y=y%64;
	P0=0x40|y;    //设置列地址
  en=1;
	en=0;
	P0=0xff;
}
/*写显示数据*/
void lw(unsigned char x,unsigned char y,unsigned char dd)
{
	set_xy(x,y);
	lcd_busy();
	di=1;
	rw=0;

	P0=dd;
	en=1;

	en=0;
	P0=0xff;
}
/*显示初始化*/
void lcd_init()
{
	unsigned char x,y;
  en=0;
	di=0;
	rw=0;
	cs1=1;
	cs2=1;
	cs3=1;

	cs1=0;     //开左屏显示
  P0=0x3f;
	en=1;
  en=0;

	cs1=1;     //开中屏显示
	cs2=0;
	cs3=1;
	en=1;
	P0=0x3f;
  en=0;

	cs1=1;     //开右屏显示
	cs2=1;
	cs3=0;
	en=1;
	P0=0x3f;
  en=0;

	cs1=0;     //设置左半屏起始行为0行
  cs2=1;
  cs3=1;
	lcd_busy();
	di=0;
	rw=0;
  P0=0xc0;
	en=1;
  en=0;

	cs1=1;     //设置中屏起始行为0行
	cs2=0;
	cs3=1;
	lcd_busy();
	di=0;
	rw=0;
  P0=0xc0;
	en=1;
  en=0;

	cs1=1;     //设置右半屏起始行为0行
  cs2=1;
  cs3=0;
	lcd_busy();
	di=0;
	rw=0;
  P0=0xc0;
	en=1;
  en=0;

	for (x=0;x<8;x++)    //全屏清零
	     {
		    for (y=0;y<192;y++)
		      lw(x,y,0x00);
	     }
}

//16*16点阵汉字
unsigned char code hz[]={

0x14,0x24,0x44,0x84,0x64,0x1C,0x20,0x18,0x0F,0xE8,0x08,0x08,0x28,0x18,0x08,0x00,
0x20,0x10,0x4C,0x43,0x43,0x2C,0x20,0x10,0x0C,0x03,0x06,0x18,0x30,0x60,0x20,0x00,/*"欢",0*/

0x40,0x41,0xCE,0x04,0x00,0xFC,0x04,0x02,0x02,0xFC,0x04,0x04,0x04,0xFC,0x00,0x00,
0x40,0x20,0x1F,0x20,0x40,0x47,0x42,0x41,0x40,0x5F,0x40,0x42,0x44,0x43,0x40,0x00,/*"迎",1*/



0x40,0x20,0xF0,0x1C,0x07,0xF2,0x94,0x94,0x94,0xFF,0x94,0x94,0x94,0xF4,0x04,0x00,
0x00,0x00,0x7F,0x00,0x40,0x41,0x22,0x14,0x0C,0x13,0x10,0x30,0x20,0x61,0x20,0x00,/*"使",2*/

0x00,0x00,0x00,0xFE,0x22,0x22,0x22,0x22,0xFE,0x22,0x22,0x22,0x22,0xFE,0x00,0x00,
0x80,0x40,0x30,0x0F,0x02,0x02,0x02,0x02,0xFF,0x02,0x02,0x42,0x82,0x7F,0x00,0x00,/*"用",3*/

0x00,0x28,0x24,0x6B,0xAA,0x2A,0x2A,0xAA,0x6A,0x2A,0x2A,0xEA,0x02,0x02,0x00,0x00,
0x00,0x10,0x15,0x15,0x15,0x15,0xFF,0x15,0x15,0x15,0x10,0x0F,0x30,0x40,0xF0,0x00,/*"氧",4*/

0x80,0x40,0x20,0xF8,0x07,0x02,0x00,0x00,0xFF,0xC0,0x60,0x30,0x1C,0x08,0x00,0x00,
0x00,0x00,0x00,0x7F,0x00,0x04,0x02,0x01,0x3F,0x40,0x40,0x40,0x40,0x78,0x00,0x00,/*"化",5*/

0x40,0x30,0x2F,0xE4,0x24,0x24,0x80,0x84,0x94,0xA5,0xC6,0xA4,0x9C,0x84,0x80,0x00,
0x01,0x01,0x01,0x7F,0x21,0x11,0x00,0x04,0x04,0x04,0xFF,0x04,0x04,0x04,0x00,0x00,/*"锌",6*/

0x40,0x42,0xCC,0x00,0xFE,0x92,0x92,0x9E,0x40,0x4C,0x55,0xE6,0x5C,0x44,0x40,0x00,
0x40,0x20,0x1F,0x24,0x43,0x4F,0x48,0x4F,0x40,0x42,0x42,0x5F,0x42,0x42,0x40,0x00,/*"避",7*/

0x00,0x0C,0x04,0x55,0x55,0x55,0x05,0xFF,0x05,0x55,0x55,0x55,0x05,0x0C,0x04,0x00,
0x00,0x00,0xFF,0x49,0x49,0x49,0x49,0x7F,0x49,0x49,0x49,0x49,0xFF,0x00,0x00,0x00,/*"雷",8*/

0x40,0x40,0x4F,0x49,0x49,0xC9,0xCF,0x70,0xC0,0xCF,0x49,0x59,0x69,0x4F,0x00,0x00,
0x02,0x02,0x7E,0x45,0x45,0x44,0x7C,0x00,0x7C,0x44,0x45,0x45,0x7E,0x06,0x02,0x00,/*"器",9*/

0x08,0x31,0x86,0x60,0x00,0xFE,0x02,0xF2,0x02,0xFE,0x00,0xF8,0x00,0x00,0xFF,0x00,
0x04,0xFC,0x03,0x00,0x80,0x47,0x30,0x0F,0x10,0x67,0x00,0x07,0x40,0x80,0x7F,0x00,/*"测",10*/

0x40,0x42,0xDC,0x08,0x00,0x90,0x90,0x90,0x90,0x90,0xFF,0x10,0x12,0x1C,0x10,0x00,
0x00,0x00,0x7F,0x20,0x10,0x20,0x20,0x1F,0x10,0x10,0x01,0x06,0x18,0x20,0x78,0x00,/*"试",11*/

0x40,0x20,0xF0,0x0C,0x03,0x00,0x38,0xC0,0x01,0x0E,0x04,0xE0,0x1C,0x00,0x00,0x00,
0x00,0x00,0xFF,0x00,0x40,0x40,0x20,0x10,0x0B,0x04,0x0B,0x10,0x20,0x60,0x20,0x00,/*"仪",12*/

0x08,0x08,0x08,0xFF,0x88,0x48,0x02,0x42,0x62,0xD2,0x4A,0xC6,0x42,0x40,0xC0,0x00,
0x02,0x42,0x81,0x7F,0x00,0x08,0x48,0x44,0x23,0x10,0x0C,0x43,0x80,0x40,0x3F,0x00,/*"扬",13*/

0x00,0xE0,0x00,0x00,0xFF,0x20,0xC0,0x00,0xFE,0x10,0x60,0x80,0x00,0xFF,0x00,0x00,
0x01,0x80,0x60,0x18,0x07,0x00,0x00,0x00,0x7F,0x00,0x00,0x01,0x00,0xFF,0x00,0x00,/*"州",14*/

0x04,0x04,0x04,0xE4,0x24,0x24,0x25,0xFE,0x24,0x24,0x24,0x24,0xE4,0x04,0x04,0x00,
0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0xFF,0x00,0x00,0x10,0x20,0x1F,0x00,0x00,0x00,/*"市",15*/

0x10,0x12,0x92,0x72,0xFE,0x51,0x91,0x00,0x22,0xCC,0x00,0x00,0xFF,0x00,0x00,0x00,
0x04,0x02,0x01,0x00,0xFF,0x00,0x04,0x04,0x04,0x02,0x02,0x02,0xFF,0x01,0x01,0x00,/*"科",16*/

0x00,0x10,0x3E,0x10,0x10,0xF0,0x9F,0x90,0x90,0x92,0x94,0x1C,0x10,0x10,0x10,0x00,
0x40,0x20,0x10,0x88,0x87,0x41,0x46,0x28,0x10,0x28,0x27,0x40,0xC0,0x40,0x00,0x00,/*"发",17*/

0x00,0x00,0xF8,0x48,0x48,0x48,0x48,0xFF,0x48,0x48,0x48,0x48,0xF8,0x00,0x00,0x00,
0x00,0x00,0x0F,0x04,0x04,0x04,0x04,0x3F,0x44,0x44,0x44,0x44,0x4F,0x40,0x70,0x00,/*"电",18*/

0x00,0x20,0x10,0x8C,0xA7,0xA4,0xA4,0xA4,0xA4,0xA4,0xA4,0xA4,0x24,0x04,0x04,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0x30,0x40,0xF0,0x00,/*"气",19*/

0x00,0x04,0x84,0x44,0xE4,0x34,0x2C,0x27,0x24,0x24,0x24,0xE4,0x04,0x04,0x04,0x00,
0x02,0x01,0x00,0x00,0xFF,0x09,0x09,0x09,0x29,0x49,0xC9,0x7F,0x00,0x00,0x00,0x00,/*"有",20*/

0xFE,0x02,0x32,0x4E,0x82,0x00,0xFE,0x4A,0xCA,0x4A,0x4A,0x4A,0x7E,0x00,0x00,0x00,
0xFF,0x00,0x02,0x04,0x03,0x00,0xFF,0x40,0x20,0x03,0x0C,0x12,0x21,0x60,0x20,0x00,/*"限",21*/

0x00,0x00,0x80,0x40,0x30,0x0E,0x84,0x00,0x00,0x0E,0x10,0x60,0xC0,0x80,0x80,0x00,
0x00,0x01,0x20,0x70,0x28,0x24,0x23,0x31,0x10,0x10,0x14,0x78,0x30,0x01,0x00,0x00,/*"公",22*/

0x00,0x10,0x92,0x92,0x92,0x92,0x92,0x92,0x92,0x92,0x12,0x02,0x02,0xFE,0x00,0x00,
0x00,0x00,0x1F,0x04,0x04,0x04,0x04,0x04,0x04,0x0F,0x00,0x20,0x40,0x3F,0x00,0x00,/*"司",23*/

0x00,0x00,0xFE,0x02,0x22,0x22,0x22,0x22,0xFA,0x22,0x22,0x22,0xE2,0x02,0x02,0x00,
0x40,0x30,0x0F,0x00,0x40,0x20,0x18,0x06,0x01,0x00,0x20,0x60,0x3F,0x00,0x00,0x00,/*"历",24*/

0x00,0x00,0xF8,0x88,0x88,0x88,0x88,0xFF,0x88,0x88,0x88,0x88,0xF8,0x00,0x00,0x00,
0x80,0x80,0x41,0x40,0x22,0x14,0x08,0x17,0x20,0x20,0x20,0x40,0x41,0xC0,0x40,0x00,/*"史",25*/

0x10,0x92,0x54,0x38,0xFF,0x38,0x54,0x52,0x80,0xF0,0x1F,0x12,0x10,0xF0,0x10,0x00,
0x42,0x42,0x2A,0x2E,0x13,0x1A,0x26,0x02,0x40,0x20,0x13,0x0C,0x33,0x60,0x20,0x00,/*"数",26*/
12

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -