系统1.txt

#include <msp430x14x.h>

#define uchar unsigned char
#define uint  unsigned int
#define ulong unsigned long

uchar key_new=0;   //默认选择，key_fun_d
uchar key_old=0;

static unsigned    char  count = 0 ;//采样次数标记
static unsigned    int   rst=0; //存放采样值


////端口定义
#define LCD_DataIn    P4DIR=0X00       //数据口方向设置为输入
#define LCD_DataOut   P4DIR=0XFF       //数据口方向设置为输出
#define LCD2MCU_Data  P4IN             //从液晶读数据
#define MCU2LCD_Data  P4OUT            //向液晶写数据

#define LED           P3OUT            //P34、P35口接2个LED灯用于测试

#define KeyPort       P1IN             //四个按键P10~P13  


////指令定义
#define LCD_RS_H      P5OUT|=BIT5      //P5.5
#define LCD_RS_L      P5OUT&=~BIT5     //P5.5
#define LCD_RW_H      P5OUT|=BIT6      //P5.6
#define LCD_RW_L      P5OUT&=~BIT6     //P5.6
#define LCD_EN_H      P5OUT|=BIT7      //P5.7
#define LCD_EN_L      P5OUT&=~BIT7     //P5.7

const unsigned char gImage_ceshi[1024] = { /* 0X00,0X01,0X80,0X00,0X40,0X00, */
0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,
0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X01,
0X81,0X80,0X99,0X0C,0X80,0X38,0X1F,0XF9,0X9F,0X18,0X60,0X18,0X01,0X80,0X00,0X01,
0X81,0X80,0XDB,0X0C,0X81,0XFF,0X80,0X79,0X9F,0X18,0X61,0XFF,0XBF,0XFC,0X00,0X01,
0X81,0X83,0XFF,0XDF,0XF9,0X99,0X80,0X70,0XFB,0X08,0X60,0XE7,0XBE,0X7C,0X00,0X01,
0XBF,0XFF,0X80,0XD8,0X81,0X99,0X80,0XE0,0X33,0XC0,0X63,0XFF,0XC6,0X6C,0X00,0X01,
0X81,0X83,0X80,0X90,0X81,0XFF,0X81,0XC3,0XB1,0XBB,0XFC,0X03,0X1F,0XF8,0X00,0X01,
0X81,0X80,0X7E,0X10,0X81,0X99,0XBF,0XFF,0XBF,0X98,0X61,0XFF,0X8E,0X60,0X00,0X01,
0X83,0XC0,0X0C,0X0F,0XF9,0X99,0X81,0X81,0XB1,0X98,0X61,0X83,0XAE,0X70,0X00,0X01,
0X82,0X43,0XFF,0XC0,0X81,0XFF,0XC1,0X81,0XF1,0X08,0X61,0XFF,0XBF,0XFC,0X00,0X01,
0X86,0X61,0XFF,0X80,0X81,0X98,0XC1,0X81,0XCE,0X0E,0X60,0XFF,0XDF,0XB8,0X00,0X01,
0X9C,0X30,0X18,0X00,0X80,0X18,0XC1,0X81,0XCE,0X0C,0X60,0XE6,0XC7,0XD0,0X00,0X01,
0X90,0X1C,0X78,0X1F,0XFC,0X1F,0X8F,0X81,0XBF,0XCC,0X63,0XE7,0XFF,0XF8,0X00,0X01,
0X80,0X00,0X30,0X00,0X00,0X00,0X00,0X00,0X3D,0XC0,0X00,0X00,0X1C,0X1C,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X3C,0X00,0X00,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0XFC,0X00,0X00,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X0F,0XFC,0X00,0X00,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X0F,0XFC,0X3C,0X00,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X0F,0XFE,0X3C,0X00,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X0F,0XFF,0X18,0X00,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X0F,0XFF,0X00,0X00,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X0F,0XFF,0X00,0X1C,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X0F,0XFF,0X18,0XFE,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X0F,0XFE,0X79,0XFE,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X0F,0XF0,0X78,0X7E,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X0F,0XF0,0X78,0X7E,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X0F,0XF0,0XF0,0X7E,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X1F,0XFF,0XE0,0XF0,0X7F,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X1F,0XFF,0XE0,0XF0,0X7F,0X80,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X1F,0XFF,0XFC,0XF7,0XFF,0X80,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X0F,0XFF,0XFC,0XF7,0XFF,0X80,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X0F,0XFF,0XFD,0XE7,0XFF,0X80,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X07,0XFF,0XF9,0XE7,0XFF,0X80,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X03,0XFF,0XF9,0XE7,0XFF,0X80,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X01,0XFF,0XF9,0XEF,0XFF,0X80,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0XFF,0XF9,0XC7,0XFF,0X80,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0XFF,0XF8,0X01,0XFF,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0XFC,0XF8,0X01,0XFC,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X78,0X78,0X03,0XF8,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X30,0X38,0X03,0XE0,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X1C,0X07,0XC0,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X1F,0XFF,0X80,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X20,0X00,0X00,0X1F,0XFF,0X00,0X00,0X21,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X20,0X00,0X00,0X0F,0XFE,0X00,0X00,0X21,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X0F,0XFE,0X00,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X02,0X00,0X00,0X07,0XFC,0X00,0X00,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X02,0X00,0X00,0X07,0XFC,0X00,0X03,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X02,0X00,0X00,0X03,0XFC,0X00,0X02,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X33,0X00,0X00,0X01,0XFC,0X00,0X02,0X21,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X1F,0X00,0X00,0X00,0XFC,0X00,0X02,0XE1,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X02,0X20,0X00,0X00,0X7C,0X00,0X30,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X30,0X00,0X00,0X1C,0X00,0X20,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X31,0X00,0X00,0X00,0X02,0X64,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X0F,0X91,0X80,0X00,0X00,0X06,0X6F,0X81,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X07,0XD9,0X84,0X00,0X00,0X8C,0X4F,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X21,0XC6,0X00,0X01,0X8C,0X70,0X01,
0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X10,0XC7,0X00,0X03,0X9C,0X60,0X01,
0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0X88,0XE7,0X00,0X07,0X18,0XC3,0XFF,
0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFC,0X67,0X80,0X07,0X19,0XFB,0XFF
};


////////////////////////函数申明

void Wdt_Init();//关闭看门狗

void Delay(unsigned int t); //延时延时t毫秒

void Lcd_Reset() ;//lcd初始化

void RDbf(void) ;  //检测忙标志

void Lcd_WriteData(unsigned char Data);//写数据

void Lcd_WriteCmd(unsigned char CmdCode); //写指令

unsigned char Lcd_ReadData(void);//读数据（一字节）

void Lcd_Clear(void);//清楚GDRAM内容


//////////////////////////画图函数申明
void Lcd_WritePic(const unsigned char * adder );  //水平扫描，上下屏显示

void Lcd_WriteStr(unsigned char x,unsigned char y,unsigned char *Str) ;//制定位置写入字符串

void GUI_Point(unsigned char x,unsigned char y,unsigned char color);   //具有反白功能任意点打点

void lcd_set_dot(unsigned char x,unsigned char y,unsigned char color);//任意点打点

void gui_hline(unsigned char x0, unsigned char x1, unsigned char y);//画水平线

void gui_rline(unsigned char x, unsigned char y0, unsigned char y1);//画垂直线

void gui_line(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1);//任意两点画线

void gui_linewith(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,unsigned char width);//画制定宽度的线

void gui_rectangle(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1);//画矩形框

void gui_rectangle_fill(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1);//画填充矩形

void gui_circle(unsigned char x0,unsigned char y0,unsigned char r);//画圆

void Key_Init(void); //初始化键盘

uchar Key_Scan(void) ;//扫描键盘

void Key_Fun();    //按键处理函数             

void Key_Fun_a();  //按a，处理函数

void Key_Fun_b();  //按b，处理函数

void Key_Fun_c();  //按c，处理函数

void Key_Fun_d();  //按d，处理函数

void Indicator_Init();//初始化指示灯

void Indicator_On(void);//lcd闪烁，指示正常

void Adc_Check(); //查询方式，片内ADC12，单次单通道

void Adc_Figure();//波形显示结果

void Adc_Str();  //数字量显示

//**********************************************************************
//                 以数字方式显示AD转换结果
//**********************************************************************
void Adc_Str()
{
  
   Lcd_WriteStr(0,1,"AD12");              //中文和字符分开调用显示否则乱码
   Lcd_WriteStr(2,1,"电压为");
   Lcd_WriteStr(0,2,"对应数字量");
  if(count==10)
  {
   //rst=ADC12MEM4;
   //rst=(rst*2.5/4096);
    rst=rst/10;
    uchar str[6];
    long int temp=rst;
   
    str[0]=rst/1000+48;      //千位
    str[1]=(rst/100)%10+48;  //百位
    str[2]=(rst/10)%10+48;   //十位
    str[3]=rst%10+48;        //个位
    str[4]='\0';
    Lcd_WriteStr(5,2,str);
   
    temp=(temp*250)/4095;
    str[0]=temp/100+48;  
    str[1]='.';
    str[2]=(temp/10)%10+48;
    str[3]=(temp%10)+48;
    str[4]='V';
    str[5]='\0';
    Lcd_WriteStr(5,1,str);
    rst=0;
    count=0;
    Delay(300);             //延时3秒
  }
}
//**********************************************************************
//                     以波形形式显示AD转换结果
//**********************************************************************
void Adc_Figure()
{
  static uint i=0;
  static uint j=7;
  if(count==10)
  {
  if(i==127)
  {
    i=0;
  }
  else
  {
    j=rst/10/82;
    lcd_set_dot(i,j,1);
    i++;
  }
  count=0;
  rst=0;
  Delay(1000);
  }
}

//**********************************************************************
//                   图片水平扫描，上下屏显示
//**********************************************************************

void Lcd_WritePic(const unsigned char * adder )
{
    int i,j;
    Lcd_WriteCmd(0x36);//打开扩展指令集
    Lcd_WriteCmd(0x34);//开显示
    
  //*******显示上半屏内容设置
   for(i=0;i<32;i++)              //
    { 
      Lcd_WriteCmd(0x80 + i); //设置  垂直地址 VERTICAL ADD
      Lcd_WriteCmd(0x80);     //设置  水平地址 HORIZONTAL ADD
      for(j=0;j<16;j++)
       {
        Lcd_WriteData(*adder);
        adder++;
       }
    }
  //*******显示下半屏内容设置
   for(i=0;i<32;i++)          //
    {
      Lcd_WriteCmd(0x80 + i);   //设置 垂直地址 VERTICAL ADD
      Lcd_WriteCmd(0x88);       //设置 水平地址 HORIZONTAL ADD
      for(j=0;j<16;j++)
       {
        Lcd_WriteData(*adder);
        adder++;
       }
    }
}

//**********************************************************************
//                    初始化ADC12，查询方式
//**********************************************************************
void  Adc_Check()           
{
  P6SEL|=0X80; //Ｐ６功能选择，ｐ６７选择第二功能，Ａ７，选择AD通道
  //设置ENC为0，从而修改ADC12寄存器的值
  ADC12CTL0 &= ~(ENC);  
  // 内核开启, 启动内部基准, 选择2.5V基准, 设置采样保持时间
  ADC12CTL0 = ADC12ON + REFON + REF2_5V + SHT0_2;
  // 时钟源为内部振荡器, 出发信号来自采样定时器, 转换地址为ADC12MCTL4
  ADC12CTL1 = ADC12SSEL_0 + SHP + CSTARTADD_4;
  // 转换通道设置
  ADC12MCTL4 = SREF_1 + INCH_7; // 参考电压:V+=Vref+,V-=AVss ADC通道:A0
                         // 启动转换
  ADC12CTL0 |= ENC + ADC12SC;      // 转换使能开始转换
  while((ADC12IFG & 0x0010) == 0); // 软件查询中断标志, 等待转换结束
  count++;
  rst=rst+ADC12MEM4;
  Delay(100);           //延时3秒

}



//**********************************************************************
//                   MSP430内部看门狗初始化
//**********************************************************************
void Wdt_Init()
{
   WDTCTL = WDTPW + WDTHOLD;       //关闭看门狗
}


//**********************************************************************
//                         延时t毫秒 
//**********************************************************************
void Delay(unsigned int t)
{
  unsigned int i,j;
  for(i=0;i<t;i++)
    for(j=150;j>0;j--) 
      _NOP(); 
}
//**********************************************************************
//                        检测忙标志 
//**********************************************************************
void RDbf(void) 
{ 
  while(1)
  {
    LCD_RS_L;
    LCD_RW_H;
    LCD_EN_L;
    LCD_DataIn;
    LCD_EN_H;
    if((LCD2MCU_Data&BIT7)==0)
    break;
  } 
}

//**********************************************************************
//                   向 LCD 写入1字节数据 
//**********************************************************************
void Lcd_WriteData(unsigned char Data) 
{ 
  RDbf(); 
  LCD_RS_H; 
  LCD_RW_L; 
  LCD_EN_H;
  LCD_DataOut;
  MCU2LCD_Data=Data; 
  LCD_EN_L;
} 

//**********************************************************************
//                  向 LCD 中写入指令代码 
//********************************************************************** 
void Lcd_WriteCmd(unsigned char CmdCode) 
{
    RDbf(); 
    LCD_RS_L; 
    LCD_RW_L; 
    LCD_EN_H; 
    LCD_DataOut;
    MCU2LCD_Data=CmdCode;  
    LCD_EN_L; 
}


//**********************************************************************
//                    向 LCD 中读出1字节数据
//**********************************************************************
unsigned char Lcd_ReadData(void)
{
    unsigned char temp;
    RDbf();
    LCD_RS_H;
    LCD_RW_H;
    LCD_EN_H;
    LCD_DataIn;
    temp=LCD2MCU_Data;
    LCD_EN_L;
    return temp;
}

//**********************************************************************
//              向 LCD 指定起始位置写入一个字符串
//**********************************************************************
void Lcd_WriteStr(unsigned char x,unsigned char y,unsigned char *Str) 
{
    Lcd_WriteCmd(0x30);
    switch(y) 
    { 
        case 0: Lcd_WriteCmd(0x80+x); break;
        case 1: Lcd_WriteCmd(0x90+x); break; 
        case 2: Lcd_WriteCmd(0x88+x); break; 
        case 3: Lcd_WriteCmd(0x98+x); break; 
    } 
    while(*Str>0)
    { 
        Lcd_WriteData(*Str);
        Str++; 
    }  
}

//**********************************************************************
//                    清除液晶GDRAM中的数据
//**********************************************************************
void Lcd_Clear(void)
{
    unsigned char i,j,k;
    Lcd_WriteCmd(0x34);         //打开扩展指令集
    i = 0x80;            
    for(j = 0;j < 32;j++)
    {
        Lcd_WriteCmd(i);
        Lcd_WriteCmd(0x80);
  	for(k = 0;k < 16;k++)
	    Lcd_WriteData(0x00);
        Lcd_WriteCmd(i++);
        Lcd_WriteCmd(0x88);	   
  	for(k = 0;k < 16;k++)
	    Lcd_WriteData(0x00);
    }
}

//**********************************************************************
//         有反白显示功能的打点函数:(X-水平位址,Y-竖直位址)
//**********************************************************************
void GUI_Point(unsigned char x,unsigned char y,unsigned char color)
{
    unsigned char x_Dyte,x_byte;		//定义列地址的字节位，及在字节中的哪1位
    unsigned char y_Dyte,y_byte;		//定义为上下两个屏(取值为0，1)，行地址(取值为0~31)
    unsigned char GDRAM_hbit,GDRAM_lbit;
    Lcd_WriteCmd(0x36);		                //扩展指令命令
    x_Dyte=x/16;				//计算在16个字节中的哪一个
    x_byte=x&0x0f;				//计算在该字节中的哪一位
    y_Dyte=y/32;				//0为上半屏，1为下半屏
    y_byte=y&0x1f;				//计算在0~31当中的哪一行
    Lcd_WriteCmd(0x80+y_byte);			//设定行地址(y坐标)
    Lcd_WriteCmd(0x80+x_Dyte+8*y_Dyte);		//设定列地址(x坐标)
    Lcd_ReadData();				//预读取数据
    GDRAM_hbit=Lcd_ReadData();			//读取当前显示高8位数据
    GDRAM_lbit=Lcd_ReadData();			//读取当前显示低8位数据
    Lcd_WriteCmd(0x80+y_byte);			//设定行地址(y坐标)
    Lcd_WriteCmd(0x80+x_Dyte+8*y_Dyte);		//设定列地址(x坐标)
    if(x_byte<8)				//判断其在高8位，还是在低8位
    {
      if(color==1)
      {
        Lcd_WriteData(GDRAM_hbit|(0x01<<(7-x_byte)));//置位GDRAM区高8位数据中相应的点
      }
      else
        Lcd_WriteData(GDRAM_hbit&(~(0x01<<(7-x_byte))));//清除GDRAM区高8位数据中相应的点	
      Lcd_WriteData(GDRAM_lbit);		        //显示GDRAM区低8位数据
    }
    else
    {
      Lcd_WriteData(GDRAM_hbit);
      if(color==1)
        Lcd_WriteData(GDRAM_lbit|(0x01<<(15-x_byte)));//置位GDRAM区高8位数据中相应的点
      else
        Lcd_WriteData(GDRAM_lbit&(~(0x01<<(15-x_byte))));//清除GDRAM区高8位数据中相应的点
    }
    Lcd_WriteCmd(0x30);			        //恢复到基本指令集
}



//**********************************************************************
//                (给定坐标的)任意位置打点函数
//**********************************************************************
void lcd_set_dot(unsigned char x,unsigned char y,unsigned char color)
{
    GUI_Point(x,63-y,color);
}



//**********************************************************************
//       画水平线函数,x0、x1为起始点和终点的水平坐标，y为垂直坐标
//**********************************************************************
void gui_hline(unsigned char x0, unsigned char x1, unsigned char y)
{
    unsigned char bak;                          //用于对两个数互换的中间变量，使x1为大值
    if(x0>x1)
    {
      bak=x1;
      x1=x0;
      x0=bak;
    }
    do
    {
      lcd_set_dot(x0,y,1);                      //从左到右逐点显示
      x0++;	
    }while(x1>x0);
}

//**********************************************************************
//       画竖直线函数,x为水平坐标，y0、y1为起始点和终点的垂直坐标
//**********************************************************************
void gui_rline(unsigned char x, unsigned char y0, unsigned char y1)
{
    unsigned char bak;                  //用于对两个数互换的中间变量，使y1为大值
    if(y0>y1)
    {
      bak=y1;
      y1=y0;
      y0=bak;
    }
    do
    {
      lcd_set_dot(x,y0,1);              //从上到下逐点显示
      y0++;	
    }while(y1>=y0);
}


//**********************************************************************
//          任意两点间画直线,x0、y0为起始点坐标，x1、y1为终点坐标
//**********************************************************************
void gui_line(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1)
{
    signed char dx;                             //直线x轴差值
    signed char dy;                             //直线y轴差值
    signed char dx_sym;                         //x轴增长方向,为-1时减值方向,为1时增值方向
    signed char dy_sym;                         //y轴增长方向,为-1时减值方向,为1时增值方向
    signed char di;                             //决策变量
    if(x0==x1)                                  //判断是否为垂直线
    {
      gui_rline(x0,y0,y1);
      return;
    }
    if(y0==y1)                                  //判断是否为水平线
    {
      gui_hline(x0,x1,y0);
      return;
    }
    dx=x1-x0;                                   //求取两点之间的差值
    dy=y1-y0;
    if(dx>0)                                    //判断x轴方向
      dx_sym=1;
    else
      dx_sym=-1;
    if(dy>0)                                    //判断y轴方向
    dy_sym=1;
    else
      dy_sym=-1;
    dx=dx_sym*dx;                               //将dx、dy取绝对值
    dy=dy_sym*dy;
    /***使用bresenham法进行画直线***/
    if(dx>=dy)                                  //对于dx>=dy，使用x轴为基准
    {
      di=dy-dx;
      while(x0!=x1)
      {
        lcd_set_dot(x0,y0,1);
        x0+=dx_sym;
        if(di<0)
          di+=dy;                               //计算出下一步的决策值
        else
        {
          di+=dy-dx;
          y0+=dy_sym;
        }
      }
      lcd_set_dot(x0,y0,1);                     //显示最后一点
    }
    else                                        //对于dx<dy使用y轴为基准
    {
      di=dx-dy;
      while(y0!=y1)
      {
        lcd_set_dot(x0,y0,1);
        y0+=dy_sym;
        if(di<0)
          di+=dx;
        else
        {
          di+=dx-dy;
          x0+=dx_sym;
        }
      }
      lcd_set_dot(x0,y0,1);                     //显示最后一点
    }
}

//**********************************************************************
//画指定宽度的任意两点之间的直线,x0、y0为起始点坐标，x1、y1为终点坐标，width为线宽
//**********************************************************************
void gui_linewith(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,unsigned char width)
{
    unsigned char i,bak;
    if(x0>x1)
    {
      bak=x1;
      x1=x0;
      x0=bak;
    }
    if(y0>y1)
    {
      bak=y1;
      y1=y0;
      y0=bak;
    }
    if(x1-x0>y1-y0)
      for(i=0;i<width;i++)
        gui_line(x0,y0+i,x1,y1+i);
    else
      for(i=0;i<width;i++)
        gui_line(x0+i,y0,x1+i,y1);
    return;
}

//**********************************************************************
//   画矩形函数,x0、y0为矩形左上角坐标值，x1、y1为矩形右下角坐标值
//**********************************************************************
void gui_rectangle(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1)
{
    gui_hline(x0,x1,y0);
    gui_rline(x0,y0,y1);
    gui_rline(x1,y0,y1);
    gui_hline(x0,x1,y1);
}

//**********************************************************************
//    画填充矩形函数,x0、y0为矩形左上角坐标值，x1、y1为矩形右下角坐标值
//**********************************************************************
void gui_rectangle_fill(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1)
{
    unsigned char bak;
    if(y0>y1)
    {
      bak=y1;
      y1=y0;
      y0=bak;
    }
    gui_linewith(x0,y0,x1,y0,y1-y0);
}

//**********************************************************************
//              画圆函数,x0、y0为圆心坐标，r为圆的半径
//**********************************************************************
void gui_circle(unsigned char x0,unsigned char y0,unsigned char r)
{
    signed char a,b;
    signed char di;
    if(r>31||r==0)//圆大于液晶屏或者没半径则返回
      return;
    a=0;
    b=r;
    di=3-2*r;//判断下个点位置的标志
    while(a<=b)
    {
      lcd_set_dot(x0-b,y0-a,1);//3
      lcd_set_dot(x0+b,y0-a,1);//0
      lcd_set_dot(x0-a,y0+b,1);//1
      lcd_set_dot(x0-b,y0-a,1);//7
      lcd_set_dot(x0-a,y0-b,1);//2
      lcd_set_dot(x0+b,y0+a,1);//4
      lcd_set_dot(x0+a,y0-b,1);//5
      lcd_set_dot(x0+a,y0+b,1);//6
      lcd_set_dot(x0-b,y0+a,1);
      a++;
      //*****使用bresenham算法画圆***
      if(di<0)
      di+=4*a+6;
      else
      {
        di+=10+4*(a-b);
        b--;
      }
      lcd_set_dot(x0+a,y0+b,1);
    }
}

//**********************************************************************
//                         LCD 初始化 
//**********************************************************************
void Lcd_Reset() 
{ 
    Lcd_WriteCmd(0x30);        //选择基本指令集
    Lcd_WriteCmd(0x01);        //清除显示，并且设定地址指针为00H
    Lcd_WriteCmd(0x0c);        //开显示(无游标、不反白)
    Lcd_Clear();               //清除液晶GDRAM中的数据
    Lcd_WriteCmd(0x01);        //清除显示，并且设定地址指针为00H
    Lcd_WriteCmd(0x06);        //在资料的读取及写入时游标自动右移
}

//**********************************************************************
//                          初始化led
//**********************************************************************
void Indicator_Init()
{
  P3SEL = 0x00;                  //设置IO口为普通I/O模式
  P3DIR = 0xff;                  //设置IO口方向为输出
  P3OUT = 0x00;                  //初始设置为00
}

//**********************************************************************                  
//                     打开led闪烁，指示正常
//**********************************************************************
void Indicator_On(void)
{
    LED=0x00;                        //点亮LED
    Delay(500);
    LED=0xff;                        //熄灭LED
    Delay(500);
}

//**********************************************************************
//                       初始化键盘子程序
//**********************************************************************
void Key_Init()
{

  P1SEL = 0x00;                   //P1普通IO功能
  P1DIR = 0xF0;                   //P10~P13输入模式，外部电路已接上拉电阻
}

//**********************************************************************
//               键盘扫描子程序，采用逐键扫描的方式
//**********************************************************************
uchar Key_Scan(void) 
{
  uchar key_check;
  uchar key_checkin;
  
  key_checkin=KeyPort;          	//读取IO口状态，判断是否有键按下
  key_checkin&= 0x0F;          		//读取IO口状态，判断是否有键按下
  if(key_checkin!=0x0F)            	//IO口值发生变化则表示有键按下
    {
      Delay(4);                  	//键盘消抖，延时4mS
      key_checkin=KeyPort;
      if(key_checkin!=0x1F)
        {  
          key_check=KeyPort;
          switch (key_check & 0x0F)
            {
              case 0x0E:key_new=1;break;
              case 0x0D:key_new=2;break;
              case 0x0B:key_new=3;break;
              case 0x07:key_new=4;break;
            }
        }
      else
      {
       // 
      }
    }
  return key_new;
} 


//**********************************************************************
//                    有键按下时的处理函数
//**********************************************************************
void Key_Fun(void)
{
   if(key_new!=key_old)          //如果有按键按下，则显示该按键键值1～4，分别调用函数
       {
            Lcd_Reset();
            switch(key_new)
              {
	        case 1: Key_Fun_a();break;  //键值a，亮1个LED灯D1
                case 2: Key_Fun_b();break;  //键值b，亮1个LED灯D2
                case 3: Key_Fun_c();break;  //键值c，亮2个LED灯D1.D2
                case 4: Key_Fun_d();break;  //键值d，亮0个LED灯,返回初始画面
              }
            key_old=key_new;
       }
   else
       {
        //没有按键的时候显示上次的键值
       }
}


//**********************************************************************
//                         键a响应函数
//**********************************************************************
void Key_Fun_a()
{
  Lcd_Clear();   
  Lcd_WriteStr(0,0,"youhavechoose A");
  Adc_Check();
  Adc_Str();
  LED=0xEF;
}


//**********************************************************************
//                        键b响应函数
//**********************************************************************
void Key_Fun_b()
{
 // Lcd_Clear();   
  Adc_Check();
  Adc_Figure();
  LED=0xDF;
  Lcd_WriteStr(0,0,"youhavechoose B");
}


//**********************************************************************
//                          键c响应函数
//**********************************************************************
void Key_Fun_c()
{
    
  //Lcd_Clear();   
  LED=0xCF;
  Lcd_WriteStr(0,0,"youhavechoose C");
 //WDTCTL=WDTCNTCL;
}


//**********************************************************************
//                          键d响应函数
//**********************************************************************
void Key_Fun_d()
{ 
    LED=0xFF;
    gui_rline(0,0,63);
    Lcd_WritePic(gImage_ceshi);
    WDTCTL=WDTCNTCL;
}

void Clock_Init()
{
  uchar i;
  BCSCTL1&=~XT2OFF;
  BCSCTL2|=SELM1+SELS;
  do{
    IFG1&=~OFIFG;
    for(i=0;i<100;i++)
       _NOP();
  }
  while((IFG1&OFIFG)!=0);
  IFG1&=~OFIFG; 
}

int main()
{ 
    /*下面六行程序关闭所有的IO口*/
    P1DIR = 0XFF;P1OUT = 0XFF;               // P1DIR = 0XF0;P1OUT = 0X0F;
    P2DIR = 0XFF;P2OUT = 0XFF;
    P3DIR = 0XFF;P3OUT = 0XFF;
    P4DIR = 0XFF;P4OUT = 0XFF;
    P5DIR = 0XFF;P5OUT = 0XFF;
    P6DIR = 0XFF;P6OUT = 0XFF; 
    
    Wdt_Init();                              //关狗
    Indicator_Init();                        //初始化led
    Indicator_On();
    Delay(200);
    Key_Init();
    Clock_Init();
//  Adc_Check();
   
     
     Lcd_Reset();                             //初始化 LCD屏;
     Lcd_WritePic(gImage_ceshi);               // bug  ,必须要画竖线
     gui_rline(0,0,63);
     Delay(300);
     
   //uchar key_check;
   //uchar key_checkin;
     
    // while(1)     {
       /*
      key_checkin=KeyPort;          	//读取IO口状态，判断是否有键按下
      key_checkin&= 0x0F;               //读取IO口状态，判断是否有键按下
      if(key_checkin!=0x0F)            	//IO口值发生变化则表示有键按下
      {
        
       Delay(4);                  	//键盘消抖，延时4mS
       
       key_checkin=KeyPort;
       
       if(key_checkin!=0x1F)
        {  
          key_check=KeyPort;
          switch (key_check & 0x0F)
            {
              case 0x0E:key_new=1;break;
              case 0x0D:key_new=2;break;
              case 0x0B:key_new=3;break;
              case 0x07:key_new=4;break;
            }
        }
     }
     
     if(key_new!=key_old)          //如果有按键按下，则显示该按键键值1～4，分别调用函数
     {
       Lcd_Reset();
       switch(key_new)
             {
	        case 1: Key_Fun_a();break;  //键值a，亮1个LED灯D1
                case 2: Key_Fun_b();break;  //键值b，亮1个LED灯D2
                case 3: Key_Fun_c();break;  //键值c，亮2个LED灯D1.D2
                case 4: Key_Fun_d();break;  //键值d，亮0个LED灯,返回初始画面
              }
       key_old=key_new;
       }
  } 
*/
     while(1)
     {
     Key_Scan();
     Key_Fun();
     }
}