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温湿度传感器采用DHT11 光照传感器采用BH1750
- #include "msp430x26x.h"
- #include "UART1.h"
- #include "sht10.h"
- #include "XT2_Start.h"
- #include "BH1750.h"
- #include"stdio.h"
- void main( void )
- {
- // Stop watchdog timer to prevent time out reset
- WDTCTL = WDTPW + WDTHOLD;
- unsigned int i,a0,a1,a2,a3,a,b,c,d,e,f;
- int Light_Data[4];
- unsigned int Sample_Data[6];
- unsigned char m;
- WDTCTL=WDTPW+WDTHOLD;
- XT2_Start();
- UART1_Initial();
- SHT_Init();
- SHT_ConnectionReset();
-
- while(1)
- {
- SHT_Function();
- a=(int)(Temp_Val.f/10);
- Sample_Data[0]=a;
- b=(int)(Temp_Val.f-a*10);
- Sample_Data[1]=b;
- c=(int)((Temp_Val.f-a*10-b)*10);
- Sample_Data[2]=c;
- d=(int)(Humi_Val.f/10);
- Sample_Data[3]=d;
- e=(int)(Humi_Val.f-d*10);
- Sample_Data[4]=e;
- f=(int)((Humi_Val.f-d*10-e)*10);
- Sample_Data[5]=f;
- for(i=0;i<6;i++)
- {
- UCA0TXBUF=Sample_Data[i];
- while((IFG2&UCA0TXIFG)==0);//等待一字节的数据发送完毕
- }
- //send final data to serial interface (UART)
- printf("temp:%5.1fC humi:%5.1f%% ",Temp_Val.f,Humi_Val.f);
- //----------wait approx. 0.8s to avoid heating up SHTxx------------------------------
- for (i=0;i<40000;i++); //(be sure that the compiler doesn't eliminate this line!)
- //----------------------------------------------------------------------------------
- m=get_light();
- a0=(int)(m/1000);
- Light_Data[0]=a0;
- a1=(int)((m-a0*1000)/100);
- Light_Data[1]=a1;
- a2=(int)((m-a0*1000-a1*100)/10);
- Light_Data[2]=a2;
- a3=(int)(m-a0*1000-a1*100-a2*10);
- Light_Data[3]=a3;
- for(i=0;i<4;i++)
- {
- UCA0TXBUF=Light_Data[i];
- while((IFG2&UCA0TXIFG)==0);
- }
- for (i=0;i<40000;i++);
- }
- }
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