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標題: fengdong+_EINT() [打印本頁]

作者: heicad 時間: 2014-10-21 15:22
標題: fengdong+_EINT()
#include "msp430G2553.h"
int tab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
      0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
int temp,time;
//毫秒延遲函數
void delay(int ms)
{
  int i;
  while(ms--)
for(i=0;i<200;i++);
}
//納米延遲函數
void delayns(int ns)
{
  while(ns--);
}
void display(temp)//現實位置P2.0=SH;P2.1=ST;P2,2=DS
{
  int k,temp1,temp2;
for(k=7;k>=0;k--)
   {
   temp1=1<<k;
   temp2=temp & temp1;
   if(temp2==temp1)
         {
         P2OUT |=BIT2;
         }
   else
         {
         P2OUT &=~BIT2;
         }
   P2OUT &=~BIT0;
   delayns(10);
   P2OUT |=BIT0;
   }
P2OUT &=~BIT1;
delayns(10);
P2OUT |=BIT1;
}
int main( void )
{
  // Stop watchdog timer to prevent time out reset
  WDTCTL = WDTPW + WDTHOLD;
  DCOCTL=CALDCO_16MHZ;
  BCSCTL1 = CALBC1_16MHZ;
  BCSCTL2 |=SELM_1+DIVM_0;
  P2DIR |=BIT3+BIT2+BIT1+BIT0;//P2.3電機PWM輸出，P2.2，P2.1，P2.0為I2C顯示輸出
  P1DIR =0x41;
  P1REN |=BIT4+BIT5;
  P1OUT |=BIT4+BIT5;
  P1IE  |=BIT4+BIT5;
  P1IES |=BIT4+BIT5;
  P1IFG &=~(BIT6+BIT4+BIT5);
  _EINT();
  P1DIR |=BIT6;
  int m,time=0,temp;
while(1)
   {
   m=P1IN;
   //顯示
   temp=tab[(2*m)%10];//個位
   display(temp);
   temp=tab[(2*m)/10];//十位
   display(temp);

   P1OUT |=BIT6+BIT0;
   delay(time);
   P1OUT &=~(BIT6+BIT0);
   delay(2000);
   }
}
#pragma vector=PORT1_VECTOR
__interrupt  void ddd(void)
{
if(P1IFG==BIT4)
{
   //脈寬
   time +=50;
   if (time>2000)time=2000;

}
P1IFG &=~BIT4;

if(P1IFG==BIT5)
{
   //脈寬
   time -=100;
   if (time<200)time=300;
}
P1IFG &=~BIT5;

if(P1IFG==BIT6)
{

}
P1IFG &=~BIT6;
}
//===========EINT()=========================//
#include "MSP430F2272.h"
int temp;    //中斷中的變量要是全局變量，必須一開始就定義
int main( void )
{
  // Stop watchdog timer to prevent time out reset
  WDTCTL = WDTPW + WDTHOLD;
P1DIR=0XFF;
P1OUT=0X00;
P2DIR=0X00;
  P2REN |=BIT0;
  P2OUT |=BIT0;
  P2IE  |=BIT0;
  P2IES |=BIT0;
  P2IFG &=~(BIT0);
  _EINT();
  while(1);
}
#pragma vector=PORT2_VECTOR
__interrupt  void ddd(void)
{
  P1OUT=1<<temp;
  temp++;
  if(temp==8)temp=0;
P2IFG &=~BIT0;
}

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