#include "msp430xw42x.h"
long  SHE;
char digit[]={

//位0-7
0x7D, //"0"
0x60,//"1"
0x3E,//"2"
0x7A,//"3"
0x63,//"4"
0x5B,//"5"
0x5F,//"6"
0x70,//"7"
0x7F,//"8"
0x7B,//"9"
0x80,//"."或者最后一位數(shù)字后"k"

//LCDMEM[8]
0X01,  //15   8-"M"   MGJm3/                
0X02,  //16   8-"G"   MGJm3/
0X04,  //17   8-"M"   kmwh
0X08,  //18   8-"W"   kmwh

0X10,  //11   8-"J"       MGJm3/              
0X20,  //12   8-"m3"      MGJm3/
0X40,  //13   8-"/"       MGJm3/            
0X80,  //14   8-"h"        kmwh

//LCDMEM[9]
0X01,  //∏∏            
0X02,  //S℃
0X04,  //R℃
0X08,  //Δt

0X10,  //!         
0X20,  //s
0X40,  //⊙        
0X80,  //〓
   
};


void delay(unsigned long delay_number)
{
    long i;
    for(i=0;i<delay_number;i++)
    {}
}  


//#################################################################################


void main(void)

{
WDTCTL=WDTPW+WDTHOLD;                      //關(guān)狗
_EINT();                                  //開中斷
TACTL = TASSEL0+TACLR+MC0;               //32768hz輔助時鐘+清空計數(shù)器+增計數(shù)              
CCR0=35526;                              //計數(shù)到32768產(chǎn)生中斷(比較模式)
CCTL0 = CCIE;                            //增計數(shù)允許中斷 
CACTL1 = CAON+CAIE+CAIES;               //打開比較+允許中斷+下降沿
CACTL2 = P2CA0+P2CA1+CAF;                    //p1.7+p1.6外部電壓接入+低通濾波器

          LCDCTL=LCDON+LCD4MUX+LCDP1;  //開啟lcd模塊使用4個com口
          P5SEL=0xfc;                 //p5.1為第2功能（com口）
          FLL_CTL0=XCAP18PF;         //設(shè)置頻率產(chǎn)生的電容為18pf
          BTCTL=BTFRFQ1;              //設(shè)置為lcd頻率 
          
          
while(1)
         {
                    if ((P1IN&0x20)== 0) //按下按鈕
                       {

                       P2DIR&=~(BIT2+BIT3);//打開一路測溫電阻
                       P2OUT&=~(BIT2+BIT3);
                      
                      }else 
                      {
                       P2DIR|=BIT2+BIT3+BIT4;//打開2路測溫電阻
                       P2OUT|=BIT2+BIT3+BIT4;
                      }

          LCDMEM[0]=digit[(SHE/10000000)%10];//刷新led的數(shù)字
          LCDMEM[1]=digit[(SHE/1000000)%10];
          LCDMEM[2]=digit[(SHE/100000)%10];
          LCDMEM[3]=digit[(SHE/10000)%10];
          LCDMEM[4]=digit[(SHE/1000)%10];
          LCDMEM[5]=digit[(SHE/100)%10];
          LCDMEM[6]=digit[(SHE/10)%10];
          LCDMEM[7]=digit[(SHE/1)%10];
          LCDMEM[8]=digit[11];
          LCDMEM[9]=digit[19];
         
         }
}
#pragma vector=TIMERA0_VECTOR   //每閣1秒給電容充電
__interrupt void TimerA0()
{
 P2DIR|=BIT1+BIT0;
 P2OUT|=BIT1+BIT0;
 delay(500);
 P2DIR&=~(BIT1+BIT0);
 P2OUT&=~(BIT1+BIT0);
 P1DIR|=BIT5;
 P1OUT|=BIT5;
 delay(500);
 P1DIR&=~BIT5;
 P1OUT&=~BIT5;
 TAR=0;
 
}
#pragma vector = COMPARATORA_VECTOR       //如果電壓p1.6<p1.7中斷激活
__interrupt void COMPARATORA_INT(void)
{
SHE=TAR;                                  //記下當(dāng)前的時鐘
}