arm 力天电子lpc2148无字库12864显示一行多个汉字（串行）

力天电子lpc2148开发板中配的12864小屏是不带字库的，并且没有所谓的左右屏，上下屏之分，是一个整屏.（是北京集粹电子设备有限公司生产的，资料详见

http://download.csdn.net/detail/yueniaoshi/4508801 此资料是12864的数据手册

http://download.csdn.net/detail/yueniaoshi/4507741 此资料介绍的12864的更进一步介绍

http://download.csdn.net/detail/yueniaoshi/4507754 此资料介绍的是驱动函数

http://download.csdn.net/detail/yueniaoshi/4507775 此资料介绍的是小小日历钟，这个里面的函数更全一点）

（再说点题外话，当初买板子的时候老板服务很周到，也很热心，问什么说什么！可是一旦板子买回来了，有些地方不懂的时候，想问问老板,就变得爱理不理了啊，美哦办法啊！谁让咱是菜鸟呢？没人说，咱就自己想办法解决吧！）

#include

//管脚宏定义

#define  SCLK 0x01<<24  //595时钟端

#define  MISO 0x01<<5   //数据输入端

#define  MOSI 0x01<<6   //数据输出端

#define  RCK  0x01<<7   //SO12864时钟输入端

//LCD Define 

#define LCD_A 1<<30  //命令数据选择端，高电平：数据  低电平：命令

#define LCD_CLK 1<<4 //时钟端

#define LCD_DATA MOSI //数据端

#define B_LED   1<<13 //背光

#define Sclk_L() IO0CLR |=LCD_CLK //时钟高电平

#define Sclk_H() IO0SET |=LCD_CLK //时钟低电平

#define Res_L()  HC595_DATA &=~(1<<2);Write595() //复位低电平

#define Res_H()  HC595_DATA |=(1<<2); Write595() //复位高电平

#define Data_L() IO0CLR |=LCD_DATA //数据低电平

#define Data_H() IO0SET |=LCD_DATA //数据高电平

#define CS_L() HC595_DATA &=~1; Write595() //片选低电平

#define CS_H() HC595_DATA |=1;  Write595() //片选高电平

#define Write_C() IO0CLR |=LCD_A //选择写命令

#define Write_D() IO0SET |=LCD_A //选择写数据

#define Writecommand

//#define pgm_read_byte

//#define LcdCls

//函数声明

void Delayn(unsigned long n);

void Write595();

void HC595_Init(void);

void Lcd_Init(void);

void Lcd_display_HZ(unsigned char x,unsigned char y,unsigned char *p);

void LcdCls(unsigned char data);

void Setxy(unsigned char x,unsigned char y);

void show_string1616(unsigned char x,unsigned char y,unsigned *string,unsigned char string_lenth);

//全局变量

unsigned int HC595_DATA=0xFFFFFFFF;

unsigned int title[]={6,5,0,7,2}; //"老婆我爱你"，取的值是由模中各个字所在的位置决定的

unsigned char HZ[][32]=

{{0x20,0x24,0x24,0x24,0xFE,0x23,0x22,0x20,0xFF,0x20,0x22,0xAC,0x20,0x30,0x20,0x00,

0x00,0x08,0x48,0x84,0x7F,0x02,0x21,0x10,0x09,0x06,0x1A,0x61,0x80,0xE0,0x00,0x00},  //"我"(0)

{0x00,0xFC,0xFC,0x84,0x84,0xFE,0xFE,0x14,0x90,0x10,0x10,0xFF,0xFF,0x10,0x18,0x00,

0x00,0x3F,0x1F,0x10,0x10,0x3F,0x3F,0x00,0x00,0x23,0x60,0xFF,0x7F,0x00,0x00,0x00},  //时(1)

{0x40,0x20,0xF8,0x07,0x40,0x20,0x18,0x0F,0x08,0xC8,0x08,0x08,0x28,0x18,0x00,0x00,

0x00,0x00,0xFF,0x00,0x00,0x08,0x04,0x43,0x80,0x7F,0x00,0x01,0x06,0x0C,0x00,0x00},  //"你"(2)

{0x00,0x20,0x18,0xCF,0xC7,0x44,0x44,0xFC,0xFC,0x44,0x44,0x64,0x46,0x04,0x00,0x00,

0x04,0x04,0x04,0x07,0x07,0x04,0x04,0xFF,0xFF,0x04,0x04,0x04,0x04,0x06,0x04,0x00}, //年(3)

{0x00,0x00,0x00,0x00,0xFF,0xFE,0x22,0x22,0x22,0x22,0x22,0xFF,0xFE,0x04,0x00,0x00,

0x00,0x80,0x40,0x70,0x1F,0x07,0x02,0x02,0x02,0x42,0x42,0xFF,0x7F,0x00,0x00,0x00},  //月(4)

{0x00,0x84,0xC9,0x22,0x06,0x80,0x7E,0x12,0x32,0x52,0x9F,0x52,0x32,0x0A,0x06,0x00,

0x04,0x04,0x87,0x84,0x4D,0x54,0x26,0x24,0x26,0x55,0x4C,0x85,0x06,0x06,0x04,0x00},  //"婆"(5)

{0x40,0x40,0x48,0x48,0x48,0x48,0x7F,0xC8,0x4C,0x68,0x50,0x48,0x4C,0x60,0x40,0x00,

0x40,0x20,0x10,0x08,0x04,0x7E,0x91,0x90,0x88,0x88,0x84,0x86,0x80,0xE0,0x00,0x00},  //"老"(6)

{0x40,0xB0,0x92,0x96,0x9A,0x92,0xF2,0x9E,0x92,0x91,0x99,0x95,0x91,0x50,0x30,0x00,

0x00,0x00,0x40,0x30,0x8C,0x83,0x46,0x2A,0x12,0x2A,0x26,0x42,0xC0,0x40,0x00,0x00}};//"爱"(7)

//主函数

int main(void)

{

  HC595_Init();                                          //初始化74HC595

  IO0DIR |=LCD_A|B_LED|LCD_CLK; //初始化IO口

  Lcd_Init();                                               //初始化液晶屏

  LcdCls(0x00);                                       //清屏

  Delayn(10000000);

  show_string1616(16,0,title,5);

  //Lcd_display_HZ(6,2,ZHONG);     //在第2页，第6列开始显示一个"钟"

  while(1); //stop

}

//初始化595接口

void HC595_Init(void)

{

  IO0DIR |= MOSI|RCK;

  IO1DIR |= SCLK;

  IO1CLR |= SCLK;

  IO0DIR |= RCK;

  HC595_DATA =0xFFFFFFFF;Write595();

}

//写字节

void WriteByte(unsigned char data)

{

  unsigned char i;

  //IO0CLR;

  for(i=0;i<8;i++)

  {

    if(data&0x01) IO0SET=MOSI;

    else IO0CLR =MOSI;

    IO1SET=SCLK;

    data>>=1;

    IO1CLR=SCLK;

  }

    //IO0SET=RCK;

}

 //刷新595的数据

void Write595()

{

  IO0CLR=RCK;

  WriteByte(HC595_DATA&0xff);

  WriteByte((HC595_DATA&0xff00)>>8);

  WriteByte((HC595_DATA&0xff0000)>>16);

  WriteByte((HC595_DATA&0xff000000)>>24);

  IO0SET=RCK;

}

//延时周期数

void Delayn(unsigned long n)

{

while(n--);

}

//向SPI总线上写一个字节的数据

void LCDWriteByte(unsigned char data)

{

  unsigned char i,s;

  s=data;

  for(i=0;i<8;i++)

  { //Delayn(1000000); //自己加的

    if(s&0x80) Data_H();

    else  Data_L();

    Sclk_H();

    s<<=1;

    Sclk_L(); 

  }

}

//向液晶屏写数据

void WriteData(unsigned char Data)

{

  Write_D();

  CS_L();

  LCDWriteByte(Data);

  CS_H();

}

//向液晶屏写命令

void WriteCommand(unsigned char Command)

{

  Write_C();

  CS_L();

  LCDWriteByte(Command);

  CS_H();

}

//打开液晶背光  0：关闭 1：打开

void Lcd_BackLed(unsigned char on)

{

  if(on==1)

  {

    IO0CLR=B_LED; //打开背光

  }

  else if(on==0)

  {

    IO0SET=B_LED; //关闭背光

  }

}

//液晶复位

void Lcd_Reset(void)

{

  Res_L();

  Delayn(10000000);

  Res_H();

}

//列顺序翻转，左右翻转 0：正常 1：翻转

void Lcd_ColRev(unsigned char i)

{

  WriteCommand(0xa0|(i&0x01));

}

//清屏

void LcdCls(unsigned char data)

{

  unsigned char i,j;

  for(i=0;i<9;i++)

  {

    Setxy(0,i);

    for(j=0;j<128;j++)

    {

      WriteData(data);

    } 

  }

}

//液晶初始化

void Lcd_Init(void)

{

  Lcd_Reset();                 //液晶复位

  //Lcd_BackLed(0);

  Lcd_BackLed(1);          //打开液晶背光

  WriteCommand(0xaf); //打开显示

  WriteCommand(0x40); //指定显示RAM的行地址，起始行为：0然后63,62，....2,1依次减小

  WriteCommand(0xa1); //ADC正常？？？

  WriteCommand(0xa6); //没有反白，正常显示

  WriteCommand(0xa4); //全屏显示

  WriteCommand(0xa2); //设置LCD的偏压比

  WriteCommand(0xc0); //正常：意思是下端为0，往上依次为63,62....

  WriteCommand(0x2f); //电源设置

  WriteCommand(0x24); //粗调对比度

  WriteCommand(0x81); //

  WriteCommand(0x24); //跟上一行一起相当于细调对比度

  Lcd_ColRev(1);     //左右翻转

}

//选择列x，页y

void Setxy(unsigned char x,unsigned char y)

{ 

  unsigned char tmp=0;

  y=y&0x0F;    //把页号变换为0XB0……0XB7的页定位码

  y=y|0xb0;

  tmp=x;

  tmp>>=4;     //变换出列号的定位码高低4位

  tmp|=0x10;

  x&=0x0F;

  WriteCommand(y);  //写页定位码

  WriteCommand(tmp);//写列定位码（高）

  WriteCommand(x);  //写列定位码（低）

}

//显示汉字 x是列，y是页，p指向字模数组

void Lcd_display_HZ(unsigned char x,unsigned char y,unsigned char *p)  //p是汉字的首地址

{

    unsigned char i;

    WriteCommand(0xa4);

    Setxy(x,y);      //起始列，页

    for(i=0;i<16;i++)

    {

      WriteData(*p++);//显示上半个汉字   

    }                           

    y+=1;

    Setxy(x,y);     //到下页起点

    for(i=16;i<32;i++)

    {

      WriteData(*p++); //显示下半个汉字

    }    

}

//16点阵字串显示string_lenth个HZ[j]

void show_string1616(unsigned char x,unsigned char y,unsigned *string,unsigned char string_lenth)

{

  unsigned char i,j;

  for(i=0;i  {

    j=*string;

    Lcd_display_HZ(x,y,HZ[j]);

    string++;

    x+=16;

    if(x>=128) //跳到下一页

    {

      x=0;

      y+=1;   

    }

  }

}