1.c

来自「msp430温箱控制源程序,基于IAR编程.」· C语言 代码 · 共 39 行

#include<msp430x14x.h>
void main(void)   //T为待显示的温度模拟量，4位十进制数,P1.0--Data in,P1.1--clock,P1.2--not enable
{
WDTCTL=WDTPW+WDTHOLD;
P1DIR=0X07;

int DISP[24]={0,0,1,1,0,0,0,0,0,1,0,0,0,0,1,1,0,0,1,0,0,0,0,1};    //选择第3位的小数点点亮
int CW[8]={0,0,0,0,0,0,0,1};         //常规方式，16进制显示


P1OUT |=BIT2;   //使能端无效
P1OUT &=~BIT1; //clock置0
P1OUT &=~BIT2; //使能端有效
for(int k=0;k<24;k++)  //发送显示字
{
if(DISP[k]==1)
P1OUT |=BIT0;
else
P1OUT &=~BIT0; 
P1OUT |=BIT1;    //clock置1
P1OUT &=~BIT1;   //clock置0
}

P1OUT |=BIT2;   //使能端无效
P1OUT &=~BIT2; //使能端有效
for(int m=0;m<8;m++)   //发送配置字
{
if(CW[m]==1)
P1OUT |=BIT0;
else
P1OUT &=~BIT0; 
P1OUT |=BIT1;    //clock置1
P1OUT &=~BIT1;   //clock置0
}


P1OUT |=BIT2;   //使能端无效
}