gps._c

利用AVRM16单片机读与GPS接收模块进行通信

//包含所需头文件
#include <ioM16v.h>
#include <macros.h>
//*
//*
/***************************************************************************************************
                                       宏定义
****************************************************************************************************/

#define uchar	unsigned char
#define uint	unsigned int

//串行通信
#define PORT    PORTA  //选择引脚口

#define setRS    PORT|=(1<<1)   //串行的片选信号
#define clearRS  PORT&=~(1<<1) 

#define setRW    PORT|=(1<<2)   //串行的数据口
#define clearRW  PORT&=~(1<<2)

#define setCKL   PORT|=(1<<3),delay_nus(1)  //串行的同步时钟
#define clearCKL PORT&=~(1<<3),delay_nus(1)

#define Clear 	WriteCommand(0x01),delay_nms(5)  //清屏

#define hanzishu  18      //输入汉字数
#define howmany0  1      //在开始显示汉字前填入多少个相同的汉字 （一般填空字）    
#define position  6      //填什么样的相同汉字（一般填空字）
#define homMHZPosition  8  //以多少个汉字位来显示移动汉字

/***************************************************************************************************
                                       宏定义
****************************************************************************************************/

//全局变量
uchar temp[17][(howmany0+hanzishu)*2+2];
bn=0;

char lin1[]={"时间:00:00:00 A"};
char lin2[]={"经度:00000.0000"};
char lin3[]={"纬度:0000.0000"};
char lin4[]={"  东经  北纬  "}; 

uchar data_item=0;     //接收到第几个字节
uchar g_Ptr = 0;       //所要提取的一节信息的字节数
uchar g_Class = 0;     //提取信息节数
uchar g_DataVari = 0;  
uint  rece_num = 0;    //


uchar g_DisTime[6]={"000000"}; //时间
uchar g_Diss   [1]={" "}; //定位状态
uchar g_Diswie [9]={"0000.1111"}; //纬度
uchar g_Disns  [1]={"N"}; //北纬N/南纬S
uchar g_Disjing[10]={"00000.0000"};//经度
uchar g_Disew  [1]={"E"}; //东经E/西经W
/***************************************************************************************************
                                      下面是 全局函数
****************************************************************************************************/
void delay_1us(void) ;//
void delay_nus(unsigned int n);
void delay_1ms(void);
void delay_nms(unsigned int n);
void send_8bit(uchar ch);//发送8位数据
void WriteData(uchar data);//写数据
void WriteCommand(uchar command);//写地址
void guangbiao(uchar x); //光标开关，1开，0关
void lcd12864_init(void); //液晶初始化程序 
void Set_display_Adress(uchar y,uchar x);//设置显示坐标：y行，x列
void display_Char(uchar y, uchar x,uchar);
void display_String(uchar y,uchar x,uchar *s) ;  //显示字符串
void display_Num(uchar y,uchar x,uint num,char N);//可以显示 N 位的的整数num,（从个位起）最多显示6位
void Display_Picture(const uchar *tab );//全屏显示图形子程序 128*64
void Display_Picture32( uchar *tab );//显示图形子程序 32*32
void display_hanzi();
void leftmove32x32(uchar *tu );
void putin (uchar point);
void clearRAM (void);
void left_move(void);
void zaihanzi(void);
void left_movedisplay(void);
shownum( unsigned char i,unsigned char j, float num);//LCD显示      显示带有数码包括整数，浮点
/***************************************************************************************************
                                      上述为 全局函数
****************************************************************************************************/


/*-----------------------------------------------------------------------
延时函数
系统时钟：8M
-----------------------------------------------------------------------*/
void delay_1us(void)                 //1us延时函数
  {
   asm("nop");
  }
void delay_nus(unsigned int n)       //N us延时函数
  {
   unsigned int i=0;
   for (i=0;i<n;i++)
   delay_1us();
  }
void delay_1ms(void)                 //1ms延时函数
  {
   unsigned int i;
   for (i=0;i<1140;i++);
  }
void delay_nms(unsigned int n)       //N ms延时函数
  {
   unsigned int i=0;
   for (i=0;i<n;i++)
   delay_1ms();
  }
/*-----------------------------------------------------------------------
延时函数
系统时钟：8M
-----------------------------------------------------------------------*/

/***************************************************************************************************
                                     下面为12864液晶模块驱动程序
****************************************************************************************************/
//汉字图像   若将其用另文件存放则显示汉字不正常
const uchar HZ[19][32]={
/*--  文字:  过  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x40,0x10,0x20,0x10,0x30,0x10,0x20,0x10,0x07,0xFE,0x00,0x10,0x02,0x10,0xE1,0x10,
0x21,0x90,0x21,0x10,0x20,0x10,0x20,0x50,0x20,0x20,0x58,0x00,0x87,0xFE,0x00,0x00,

//下面是数字10： 构造分法，用1与0的数码，把0的数码交替地放在1代码后面
  //0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x18,0x70,0x24,0x10,0x42,0x10,0x42,0x10,0x42,
  //0x10,0x42,0x10,0x42,0x10,0x42,0x10,0x42,0x10,0x42,0x7c,0x18,0x00,0x00,0x00,0x00,
  
/*--  文字:  去  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x01,0x00,0x01,0x00,0x01,0x00,0x3F,0xFC,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,
0x7F,0xFE,0x02,0x00,0x06,0x00,0x08,0x20,0x10,0x10,0x3F,0xF8,0x10,0x10,0x00,0x00,

/*--  文字:  属  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x3F,0xFC,0x20,0x04,0x3F,0xFC,0x20,0x00,0x2F,0xF8,0x20,0x80,0x27,0xF8,0x24,0x88,
0x27,0xF8,0x20,0x80,0x2F,0xFC,0x28,0xA4,0x48,0xF4,0x4B,0x14,0x88,0x04,0x08,0x0C,

/*--  文字:  于  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x00,0x3F,0xFC,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0xFF,0xFE,0x01,0x00,
0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x09,0x00,0x05,0x00,0x02,0x00,

/*--  文字:  死  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x00,0x7F,0xFE,0x08,0x40,0x08,0x40,0x1F,0x40,0x11,0x46,0x21,0x58,0x32,0x60,
0x4A,0x40,0x8A,0x40,0x04,0x40,0x04,0x42,0x08,0x42,0x30,0x42,0xC0,0x3E,0x00,0x00,

/*--  文字:  神  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x20,0x20,0x10,0x20,0x10,0x20,0xFD,0xFC,0x05,0x24,0x09,0x24,0x11,0xFC,0x39,0x24,
0x55,0x24,0x95,0xFC,0x11,0x24,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,0x10,0x20,

/*--  11文字:  空字  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//11
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/*--  文字:  现  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x00,0xFF,0xF8,0x12,0x08,0x12,0x48,0x12,0x48,0x12,0x48,0x7E,0x48,0x12,0x48,
0x12,0x48,0x12,0xA8,0x1C,0xA0,0xE1,0x22,0x01,0x22,0x02,0x22,0x04,0x1E,0x08,0x00,

/*--  文字:  在  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x02,0x00,0x02,0x00,0x7F,0xFE,0x04,0x00,0x04,0x00,0x08,0x40,0x18,0x40,0x17,0xFC,
0x30,0x40,0x50,0x40,0x90,0x40,0x10,0x40,0x10,0x40,0x17,0xFE,0x10,0x00,0x00,0x00,

/*--  文字:  与  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x00,0x00,0x08,0x00,0x08,0x04,0x0F,0xFE,0x08,0x00,0x08,0x00,0x0F,0xFC,0x00,0x04,
0x00,0x04,0x00,0x24,0x7F,0xF4,0x00,0x04,0x00,0x04,0x00,0x48,0x00,0x30,0x00,0x00,

/*--  文字:  未  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x01,0x00,0x01,0x00,0x01,0x00,0x3F,0xF8,0x01,0x00,0x01,0x00,0xFF,0xFE,0x03,0x00,
0x03,0x80,0x05,0x40,0x05,0x20,0x09,0x18,0x31,0x0E,0xC1,0x04,0x01,0x00,0x01,0x00,

/*--  文字:  来  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x01,0x00,0x01,0x00,0x3F,0xFC,0x01,0x00,0x09,0x30,0x05,0x20,0x03,0x40,0x7F,0xFE,
0x01,0x80,0x03,0x40,0x05,0x20,0x09,0x18,0x31,0x0E,0xC1,0x04,0x01,0x00,0x01,0x00,

/*--  文字:  却  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x08,0x00,0x08,0x7C,0x08,0x44,0x7F,0x44,0x08,0x44,0x08,0x44,0x08,0x44,0xFF,0x44,
0x10,0x44,0x12,0x44,0x21,0x44,0x27,0xD4,0x79,0x48,0x20,0x40,0x00,0x40,0x00,0x40,

/*--  文字:  由  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x3F,0xF8,0x21,0x08,0x21,0x08,0x21,0x08,
0x3F,0xF8,0x21,0x08,0x21,0x08,0x21,0x08,0x21,0x08,0x3F,0xF8,0x20,0x08,0x00,0x00,

/*--  文字:  我  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x06,0x40,0x38,0x50,0x08,0x48,0x08,0x48,0x08,0x40,0xFF,0xFE,0x08,0x40,0x08,0x48,
0x0E,0x28,0x38,0x30,0xC8,0x20,0x08,0x50,0x09,0x92,0x08,0x0A,0x28,0x06,0x10,0x02,


/*--  文字:  们  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x0A,0x00,0x09,0x00,0x11,0xBC,0x11,0x04,0x34,0x04,0x24,0x04,0x64,0x04,0xA4,0x04,
0x24,0x04,0x24,0x04,0x24,0x04,0x24,0x04,0x24,0x04,0x24,0x14,0x24,0x08,0x00,0x00,


/*--  文字:  掌  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x11,0x10,0x09,0x20,0x7F,0xFE,0x40,0x04,0x0F,0xE0,0x08,0x20,0x0F,0xE0,0x00,0x00,
0x3F,0xF0,0x01,0x00,0x3F,0xF8,0x01,0x00,0x7F,0xFC,0x01,0x00,0x05,0x00,0x02,0x00,

/*--  文字:  握  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0x20,0x00,0x23,0xFC,0x22,0x04,0xFB,0xFC,0x22,0x00,0x23,0xFE,0x2A,0x40,0x32,0x88,
0x63,0xFC,0xA2,0x24,0x22,0x20,0x23,0xFC,0x24,0x20,0x24,0x20,0xAB,0xFE,0x40,0x00,
};

//图象数组
uchar tu[]={
0x00,0x01,0x80,0x00,0x00,0x01,0x80,0x00,0x00,0x03,0xC0,0x00,0x00,0x03,0xC0,0x00,
0x00,0x07,0xE0,0x00,0x00,0x07,0xE0,0x00,0x00,0x0F,0xF0,0x00,0x00,0x0F,0xF0,0x00,
0x00,0x1F,0xF8,0x00,0x00,0x1F,0xF8,0x00,0x00,0x3F,0xFC,0x00,0x00,0x3F,0xFC,0x00,
0xFF,0xFF,0xFF,0xFF,0x7F,0xFF,0xFF,0xFF,0x1F,0xFF,0xFF,0xFC,0x07,0xFF,0xFF,0xF0,
0x03,0xFF,0xFF,0xE0,0x01,0xFF,0xFF,0x80,0x03,0xFF,0xFF,0xC0,0x03,0xFF,0xFF,0xC0,
0x07,0xFF,0xFF,0xE0,0x07,0xFF,0xFF,0xE0,0x0F,0xFF,0xFF,0xF0,0x0F,0xFE,0x3F,0xF0,
0x1F,0xF8,0x1F,0xF8,0x1F,0xE0,0x07,0xF8,0x3F,0xC0,0x01,0xFC,0x3F,0x00,0x00,0xFC,
0x7C,0x00,0x00,0x3E,0x78,0x00,0x00,0x1E,0xE0,0x00,0x00,0x07,0x80,0x00,0x00,0x01,
};

//发送8位数据
void send_8bit(uchar ch)
{
 char i;
 for(i=0;i<8;i++)
 {  setCKL;
    if((ch<<i)&0x80)setRW;
	else clearRW; 
	clearCKL;
 }
}
//写数据
void WriteData(uchar data)//
{
  setRS;
  send_8bit(0xfa);
  send_8bit(data&0xf0);
  send_8bit(data<<4);
  clearRS;  
}
//写地址
void WriteCommand(uchar command)//
{ 
  setRS;
  send_8bit(0xf8);
  send_8bit(command&0xf0);
  send_8bit(command<<4);
  clearRS;
}
//光标开关，1开，0关
void guangbiao(uchar x) //
{
  if(x==1) WriteCommand(0x0c|0x03);
  else  WriteCommand(0x0c);
}

//  设置显示坐标：y行，x列
void Set_display_Adress(uchar y,uchar x)//
{
 uchar address;
 switch(y)
 {
 case 0:
	address=0x80+x;
	break;
 case 1:
	address=0x90+x;
	break;
 case 2:
	address=0x88+x;
	break;
 case 3:
	address=0x98+x;
	break;
	}
	WriteCommand(address);
}
//显示字符串
void display_String(uchar y,uchar x,uchar *s)   //
{
  uchar i=0;
  if(*s=='\0')return;
   for(i=0;;i++)
   {
      if(*(s+i)=='\0')break;
      if(!i%2)
	Set_display_Adress(y,x);
      WriteData(*(s+i));
      if(i%2)x++;
      if(x>7){y++,x=0;}
   }
}
//显示单个字符
void display_Char(uchar y,uchar x,char ch) 
{ 
	Set_display_Adress(y,x);
	WriteData(ch);
	
}
//可以显示 N 位的的整数num,（从个位起）最多显示6位
void display_Num(uchar y,uchar x,uint num,char N)//
{
 char tmp[5],i;//加大数组可以达到加多显示数位的效果
 //N%=6;
 for(i=0;i<N;i++)
 {
 tmp[i]=(num%10);
 num/=10;
 };
 i--;
while(1)
    {
	 Set_display_Adress(y,x);
	 WriteData(tmp[i--]+0x30);
	 if(!i)
	 {WriteData(tmp[i]+0x30);break;}
	 WriteData(tmp[i--]+0x30);
	 if(!i)
	 {WriteData(tmp[i]+0x30);break;}
	 x++;
	}
	x--;
}
//全屏显示图形子程序 128*64
void Display_Picture(const uchar *tab )
{
  unsigned  i,j,k,l=0,x=0x80,y;
  for(i=0;i<2;i++)    //x=0x80 为第一行
  {
   for(j=0,y=0x80; j<32;j++,y++)//y为水平方向以字节为单位
   { 
	WriteCommand(0x36);  //8位扩充指令集,允许绘图
	WriteCommand(y);//地址设置
	WriteCommand(x);
    WriteCommand(0x30);
	k=16;
    while(k--)
	   WriteData(tab[l++]);		//时间复杂度(16*32)*2=32*32=32个H代码控制一个汉字，共有32个汉字，则是全屏
   }                            //按顺序读入：0->(32*32-1)
   x=0x88;//第三行
  }
}
//显示图形子程序 32*32
void Display_Picture32( unsigned char *tab )//
{
  unsigned  i,j,k,l=0,x=0x80,y;
 
   for(j=0,y=0x80; j<32;j++,y++)//水平扫描32行  第一个32行(汉字的两行)为一个连续地址