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//正弦波+方波顯示程序

#include
#include
#define LCD_RS_High    P2OUT|=BIT2    // LCD_RS 高電平   顯示數據         P62
#define LCD_RS_Low     P2OUT&=~BIT2      // LCD_RS 低電平   指令數據
#define LCD_RW_High   P2OUT|=BIT1 // LCD_RW 高電平   數據讀到DB0_DB7   P64
#define LCD_RW_Low     P2OUT&=~BIT1// LCD_RW 低電平   DB0_DB7 數據寫入IR DR
#define LCD_EN_High   P2OUT|=BIT0    // LCD_EN 高電平   高有效            P63
#define LCD_EN_Low     P2OUT&=~BIT0    // LCD_EN 低電平   使能信號
#define LCD_PSB_High   P3OUT&=0xff // 并口   高電平
#define LCD_PSB_Low    P3OUT&=0xfe; // 串口   低電平    P30
//P67 懸空
#define uchar unsigned char

unsigned char pic1[]=      // 圖片代碼
{
0x50,0x50,0xF0,0x00,0x70,0x50,0xD0,0x02,0xFF,0x42,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xA1,0xA1,0xE1,0x00,0xE1,0xA1,0xA1,0x00,0xFF,0x08,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x03,0x02,0x02,0x00,0x02,0x02,0x03,0x00,0xFF,0x21,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x1F,0x00,0x17,0x15,0x1D,0x00,0xFF,0x84,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x5C,0x54,0x74,0x00,0xFF,0x10,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFB,0x8A,0xFA,0x02,0x02,0x02,0x02,0x02,
0x02,0x02,0xFB,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0xEA,0xAB,0xBA,0x02,0x02,
0x02,0x02,0x02,0x02,0x02,0xAA,0xAB,0xFA,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x3A,
0x23,0xFA,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0xBA,0xAB,0xEA,0x02,0x02,0x02,0x02,
0x02,0x02,0x02,0xFA,0xAB,0xEA,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x0A,0x0B,0xFA,
0x02,0x02,0x02,0x02,0x02,0x02,0x02,0xFA,0xAB,0xFA,0x02,0x02,0x02,0x02,0x02,0x02,
0x02,0xBA,0xAB,0xFA,0x02,0x02,0x02,0x02,0x02,0x02,0xFA,0x02,0xFB,0x8A,0xFA,0x02,
0x02,0x02,0x02,0x02,0x02,0xFA,0x03,0x02,0xFA,0x02,0x02,0x02,0x02,0x07,0x02,0x00
};
void delay_ms(unsigned int timer)
{
unsigned int i;
for(i=0;i<1000;i--)
    for(;timer>0;timer--)
      ;
}

unsigned char lcd_busy()
{
unsigned char result;

P1DIR=0x00;
LCD_RS_Low;          // 指令數據
LCD_RW_High;
LCD_EN_High;

result = P1IN&0x80;   // 讀取數據口數據
LCD_EN_Low;

return(result);
}

void LCD_WCMD(unsigned char cmd)
{
while(lcd_busy());

P1DIR=0xff;          // OUT;
LCD_RS_Low;          // 指令數據
LCD_RW_Low;
//   LCD_EN_Low;
LCD_EN_High;
P1OUT = cmd;

LCD_EN_Low;
}

void LCD_WDAT(unsigned char dat)
{
while(lcd_busy());

P1DIR=0xff;           // OUT;
LCD_RS_High;          // 數據
LCD_RW_Low;
//   LCD_EN_Low;

LCD_EN_High;
P1OUT = dat;

LCD_EN_Low;
}
unsigned char ReadByte(void)
{
unsigned char byReturnValue ;
while(lcd_busy());
P1DIR=0xff;
P1OUT = 0xff;
P1DIR=0x00;
LCD_RS_High; ;
LCD_RW_High; ;
LCD_EN_Low ;
LCD_EN_High ;
byReturnValue=P1IN ;
LCD_EN_Low ;

return byReturnValue ;
}

void Display(unsigned char X,unsigned char Y,unsigned char *string)
{

if (X==0)
{X=0x80;}
else if (X==1)
{X=0x90;}
else if (X==2)
{X=0x88;}
else if (X==3)
{X=0x98;}

LCD_WCMD(X+Y);

while(*string )
{                         //顯示字符
    LCD_WDAT(*string++);
}

}
void Display_number(unsigned char X,unsigned char Y,unsigned char number)
{
if (X==0)
{X=0x80;}
else if (X==1)
{X=0x90;}
else if (X==2)
{X=0x88;}
else if (X==3)
{X=0x98;}

LCD_WCMD(X+Y);
LCD_WDAT(48+number);
}

void Clock_init()
{
unsigned char t;
BCSCTL1 = RSEL0 + RSEL1 + RSEL2;         // XT2on, max RSEL
BCSCTL1&=~XT2OFF;                        //打開XT2振蕩器
do
{
    IFG1 &= ~OFIFG;                       // 清除振蕩器失效標志
    for (t = 255; t > 0; t--);            // 延時，等待XT2起振
}
while ((IFG1 & OFIFG) != 0);             // 判斷XT2是否起振

BCSCTL2 |= SELS+SELM_2;                  // SMCLK = XT2
}

void LCD_init()
{
LCD_WCMD(0x34);      //擴充指令操作
LCD_WCMD(0x30);      //基本指令操作
LCD_WCMD(0x0C);      //顯示開，關光標
LCD_WCMD(0x01);      //清除LCD的顯示內容

}

void ClrScreen()
{
LCD_WCMD(0x01);
delay_ms(15);
}

void SetGraphicMode()
{
LCD_WCMD(0x36);       //選擇8bit數據流圖形模式
delay_ms(20);

}

void LCD_PutGraphic(unsigned char *img)
{
int i,j;
//顯示上半屏內容設置
for(i=0;i<32;i++)
{
    LCD_WCMD(0x80 + i); //SET 垂直地址 VERTICAL ADD
    LCD_WCMD(0x80);     //SET 水平地址 HORIZONTAL ADD
    for(j=0;j<16;j++)
    {
      LCD_WDAT(*img);
      img++;
    }
}
//顯示下半屏內容設置
for(i=0;i<32;i++)
{
    LCD_WCMD(0x80 + i); //SET 垂直地址 VERTICAL ADD
    LCD_WCMD(0x88);     //SET 水平地址 HORIZONTAL ADD
    for(j=0;j<16;j++)
    {
      LCD_WDAT(*img);
      img++;
    }
}

}

void DrawPoint(unsigned char X,unsigned char Y,unsigned char Color)
{
unsigned char Row,Tier,Tier_bit ;
unsigned char ReadOldH,ReadOldL ;
LCD_WCMD(0x34);
LCD_WCMD(0x36);
Tier=X>>4 ;
Tier_bit=X&0x0f ;
if(Y<32)
{
    Row=Y ;
}
else
{
    Row=Y-32 ;
    Tier+=8 ;
}
LCD_WCMD(Row+0x80);
LCD_WCMD(Tier+0x80);
ReadByte();
ReadOldH=ReadByte();
ReadOldL=ReadByte();
LCD_WCMD(Row+0x80);
LCD_WCMD(Tier+0x80);
if(Tier_bit<8)
{
    switch(Color)
    {
    case 0 :
      ReadOldH&=(~(0x01<<(7-Tier_bit)));
      break ;
    case 1 :
      ReadOldH|=(0x01<<(7-Tier_bit));
      break ;
    case 2 :
      ReadOldH^=(0x01<<(7-Tier_bit));
      break ;
    default :
      break ;
    }
    LCD_WDAT(ReadOldH);
    LCD_WDAT(ReadOldL);
}
else
{
    switch(Color)
    {
    case 0 :
      ReadOldL&=(~(0x01<<(15-Tier_bit)));
      break ;
    case 1 :
      ReadOldL|=(0x01<<(15-Tier_bit));
      break ;
    case 2 :
      ReadOldL^=(0x01<<(15-Tier_bit));
      break ;
    default :
      break ;
    }
    LCD_WDAT(ReadOldH);
    LCD_WDAT(ReadOldL);
}
LCD_WCMD(0x30);
}

//----------------------------------------------
//   清整個GDRAM空間
//-----------------------------------------------
void clrgdram()
{
unsigned char x,y ;
for(y=0;y<64;y++)
    for(x=0;x<16;x++)
    {
      LCD_WCMD(0x34);
      LCD_WCMD(y+0x80);
      //行地址
      LCD_WCMD(x+0x80);
      //列地址
      LCD_WCMD(0x30);
      LCD_WDAT(0x00);
      LCD_WDAT(0x00);
    }
}

//////////////////////////
/////////////////////////
void juxingbo(void)//顯示矩形波
{
uchar i,j,colour=1,flag=0;
uchar zhan=12;//為電平'1'的時間長度
uchar high=25;//高電平的位置
uchar low=40;//低電平的位置
for(i=0;i<128;i++)
{
    if(i%zhan==0)
    {
      for(j=high;j<=low;j++)
        DrawPoint(i,j,colour);
      if(flag==0)
        flag=1;
      else
        flag=0;
    }
    else
    {
      if(flag==0)
        j=high;
      else
        j=low;
      DrawPoint(i,j,colour);
    }
    delay_ms(5000);
    delay_ms(5000);
}
}

void main( void )
{
//char i;
//unsigned char x1,y1,colour=1 ;//////////////////////////
WDTCTL = WDTPW + WDTHOLD;     // Stop watchdog timer to prevent time out reset
Clock_init();                 // 時鐘初始化
P2DIR|=BIT2+BIT1+BIT0;
LCD_PSB_High;                // 液晶顯示并口方式
LCD_init();
//-----------------------------------------------------------------------------
//                              顯示字符
//---------------------------------------------------------------------------
Display(0,1,"西安理工大學");
Display(1,1,"電子實驗小組");
Display(2,1,"正弦波顯示");
Display(3,0,"2014年07月25日");        // 第四行要顯示的內容

while(1)
{
    clrgdram();
    ClrScreen();

    juxingbo();                                      //方波顯示
    delay_ms(5000);
    //_BIS_SR(LPM0_bits);

}
}

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基于MSP430正弦波方波在12864顯示程序

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