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📄 msp430f149-

📁 MSP430F149实验板实验代码
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#include <msp430x14x.h>
#define uint unsigned int
#define uchar unsigned char
//p62=cs p63=sid p64=clk p65=psb p66=rst

uchar set0[]={0x30,0x0f,0x01,0x06};//写字 
uchar set1[]={0x30,0x0c,0x06,0x32,0x36};//画图
void delay(uint time)
{
  while(time--);
}
void initsys(void)
{
  uchar k;
  BCSCTL1 &= ~XT2OFF;    //开启XT2晶振
  do 
  {
    IFG1 &= ~OFIFG;           // 清除振荡器失效标志
    for(k=0xee;k>0;k--)      //延时
      {
       ;
      }
    }
   while((IFG1 & OFIFG)!=0);        //判断XT2是否起振
   BCSCTL2 = SELM_2 + SELS;     // 选择MCLK SMCLK 为XT2  
}    //初始化
void wri_ord(uchar num)
{
 uchar num1,num2;
 uchar wri_data;
 uchar i,j;
 num1 = num & 0xf0;
 num <<= 4;
 num2 = num & 0xf0;
 uchar data[]={0xf8,num1,num2};
 for(i=0;i<3;i++)
 {
   wri_data = data[i];
   P6OUT &= ~(BIT4);
   delay(5);
   for(j=0;j<8;j++)
   {
      if(wri_data & BIT7)
        P6OUT |= BIT3;
      else
        P6OUT &= ~(BIT3);
      delay(5);
      P6OUT |= BIT4;
      wri_data <<= 1;
      delay(10);
      P6OUT &= ~(BIT4);
   }
 }
 
}
void wri_data(uchar num)
{
 uchar num1,num2;
 uchar wri_data;
 uchar i,j;
 num1 = num & 0xf0;
 num <<= 4;
 num2 = num & 0xf0;
 uchar data[]={0xfa,num1,num2};
 for(i=0;i<3;i++)
 {
   wri_data = data[i];
   P6OUT &= ~(BIT4);
   for(j=0;j<8;j++)
   {
      if(wri_data & BIT7)
        P6OUT |= BIT3;
      else
        P6OUT &= ~(BIT3);
      _NOP();
      P6OUT |= BIT4;
      _NOP();
      wri_data <<= 1;
      P6OUT &= ~(BIT4);
   }
 }
 
}
void show()
{
  uchar data[] = {"  **天空电子**"};
  uchar i;
  wri_ord(0x80);
  for(i=0;i<14;i++)
  {
    wri_data(data[i]);
  }
}
void initial(void)
{
  uchar add;
  P6OUT &= ~(BIT5);
  _NOP();
  P6OUT &= ~(BIT2);
  _NOP();
  P6OUT |= BIT2;
  _NOP();
  P6OUT &= ~(BIT5);
  for(add=0;add<4;add++)
  {
     wri_ord(set0[add]);
  }
  delay(1000);
}
void main( void )
{
  // Stop watchdog timer to prevent time out reset
  WDTCTL = WDTPW + WDTHOLD;
  //initsys();
  P6DIR |= 0xfc;
  P6OUT |= BIT6;
  initial();
  //wri_ord(0x88);
  show();
  while(1);
}

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