基于MSP430F5529的智能灯设计

 #include <msp430F5529.h>

    
  
    
 void IO_Init();
    
 void InitADC();
    
 unsigned int  GetAD(char channel);
    
 void light_Compare(int templight);
    
 int counter=0;                          //中断计数器参数，单位秒
    
  
    
 /** * main.c
    
  */
    
  
    
 int main(void)
    
 {
    
     IO_Init();                          //IO初始化
    
     InitADC();                          //初始化ADC模块
    
  
    
     int voice = 0;                      //缓存声音响度
    
     int light = 0;                      //缓存环境亮度
    
  
    
     WDTCTL = WDT_ADLY_1000;             //设置中断定时1s
    
     SFRIE1 |= WDTIE;                    //使能WDT中断          WDTIE=(0x0001)/* WDT Interrupt Enable */
    
     _EINT();                            // 使能全局中断
    
  
    
     while(1){
    
     voice = GetAD(0);               //读取声音缓存
    
     while(voice>3000){               //声音与阈值比较
    
         counter=0;                  //定时器置零
    
         do{
    
             light = GetAD(1);       //亮度读取
    
             light_Compare(light);
    
             voice = GetAD(0);       //读取声音缓存
    
             if(voice>3000){
    
                 break;
    
             }
    
             if(counter >=10)        //判断计数时间，如果大于20s,关闭LED,并退出
    
             {
    
                 P1OUT &= ~BIT5;
    
                 P8OUT &= ~BIT1;
    
                 P3OUT &= ~BIT7;
    
                 P7OUT &= ~BIT4;
    
                 P6OUT &= ~BIT3;
    
                 P6OUT &= ~BIT4;
    
                 P3OUT &= ~BIT5;
    
                 break;
    
             }
    
         }while(counter<10);
    
     }
    
     }
    
 }
    
 void light_Compare(int templight){      //LED发亮的个数与光敏电阻测出亮度成反比
    
     P2OUT |= BIT5;                      //2.5置高
    
     P2OUT &= ~BIT4;                     //2.4置低
    
     P1OUT |= BIT5;                      //打开Nsleep，开大LED灯
    
     if(templight >=700)
    
     P8OUT |= BIT1;
    
     else
    
     P8OUT &= ~BIT1;
    
     if(templight >= 1200)
    
     P3OUT |= BIT7;
    
     else
    
     P3OUT &= ~BIT7;
    
     if(templight >= 1500)
    
     P7OUT |= BIT4;
    
     else
    
     P7OUT &= ~BIT4;
    
     if(templight >= 2000)
    
     P6OUT |= BIT3;
    
     else
    
     P6OUT &= ~BIT3;
    
     if(templight >= 2500)
    
     P6OUT |= BIT4;
    
     else
    
     P6OUT &= ~BIT4;
    
     if(templight >= 3000)
    
     P3OUT |= BIT5;
    
     else
    
     P3OUT &= ~BIT5;
    
 }
    
 void IO_Init(){             //六盏灯初始化，并全置零
    
     P1DIR|= BIT0;           //六盏灯初始化，并全置零
    
     P8DIR|= BIT1;
    
     P3DIR|= BIT7;
    
     P7DIR|= BIT4;
    
     P6DIR|= BIT3;
    
     P6DIR|= BIT4;
    
     P3DIR|= BIT5;
    
     P8OUT&=~BIT1;
    
     P3OUT&=~BIT7;
    
     P7OUT&=~BIT4;
    
     P6OUT&=~BIT3;
    
     P6OUT&=~BIT4;
    
     P3OUT&=~BIT5;
    
  
    
     P2DIR|= BIT4;           //2.4,2.5初始化
    
     P2DIR|= BIT5;
    
     P2OUT|= BIT5;
    
     P2OUT&= ~BIT4;
    
     P1DIR|= BIT5;           //大LED灯的驱动的电路开关方向
    
 }
    
 #pragma vector= WDT_VECTOR
    
 __interrupt void watchdog_timer (void)
    
 {
    
      counter ++;            //计时器加一
    
      P1OUT^=BIT0;           //信号灯
    
 }
    
 unsigned int  GetAD(char channel)
    
 {
    
     unsigned int temp = 0;                              //设置变量
    
     ADC12CTL0 |= ADC12SC;                               //开始采样转换
    
     temp= ADC12MEM0;                                    //把结果赋给变量
    
       switch (channel)
    
       {
    
       case 0:temp= ADC12MEM0;       break;          //选择通道0，P6.0
    
         case 1:temp= ADC12MEM1;     break;          //选择通道1，P6.1
    
         case 2:temp= ADC12MEM2;     break;          //选择通道2，P6.2
    
         case 3:temp= ADC12MEM3;     break;          //选择通道3，P6.3
    
         case 4:temp= ADC12MEM4;     break;          //选择通道4，P6.4
    
         case 5:temp= ADC12MEM5;     break;          //选择通道5，P6.5  连接拨码电位器
    
         case 6:temp= ADC12MEM6;     break;          //选择通道6，P6.6
    
         case 12:temp= ADC12MEM12;    break;         //选择通道12，P7.0
    
         default: ;break;
    
     }
    
     return temp;
    
 }
    
 void InitADC()
    
 {
    
     ADC12CTL0 |= ADC12MSC;                              //自动循环采样转换
    
     ADC12CTL0 |= ADC12ON;                               //启动ADC12模块
    
     ADC12CTL1 |= ADC12CONSEQ_3 ;                        //选择序列通道多次循环采样转换
    
     ADC12CTL1 |= ADC12SHP;                              //采样保持模式
    
     ADC12CTL1  |= ADC12CSTARTADD_0;
    
  
    
     ADC12MCTL0 |=ADC12INCH_0;                           //通道选择
    
     ADC12MCTL1 |=ADC12INCH_1;
    
     ADC12MCTL2 |=ADC12INCH_2;
    
     ADC12MCTL3 |=ADC12INCH_3;
    
     ADC12MCTL4 |=ADC12INCH_4;
    
     ADC12MCTL5 |=ADC12INCH_5+ADC12EOS;
    
  
    
     ADC12CTL0 |= ADC12ENC;
    
 }