#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(shù)
void delay(int ms)
{
int i;
while(ms--)
for(i=0;i<200;i++);
}
//納米延遲函數(shù)
void delayns(int ns)
{
while(ns--);
}
void display(temp)//現(xiàn)實(shí)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(jī)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(gè)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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