MSP430G2553外部电压采集

//******************************************************************************//LaunchPadLab5-ADC10,SampleA10TempandConverttooCandoF////MSP430G2452//-----------------///|\|XIN|-//|||//--|RSTXOUT|-//||//|A10|////******************************************************************************#include<msp430g2452.h>#include"tm1638.h"floattemp,temp1;floatIntDegF;unsignedcharLED_CODE[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x77,0x7C,0x39, 0x5E,0x79,0x71};voidmain(void){ WDTCTL=WDTPW+WDTHOLD;//StopWDT unsignedinti,j,k,h=0;//,l if(CALBC1_8MHZ==0xFF||CALDCO_8MHZ==0xFF) { while(1);//Ifcalibrationconstantserased,trapCPU!! } BCSCTL1=CALBC1_8MHZ;//Setrange DCOCTL=CALDCO_8MHZ;//SetDCOstep+modulation BCSCTL2=SELM_1+DIVM_3;//setMCLK=DOC/8 P1DIR&=~BIT0;//P1.0input P1REN|=BIT0; P2DIR=0xFF;//P2output P2OUT=0xFF;init_TM1638();//ConfigureADC10配置adc10 ADC10CTL1=INCH_0+ADC10DIV_3;//ChooseADCChannelasTempSensor ADC10CTL0=SREF_1+ADC10SHT_3+REF2_5V+REFON+ADC10ON+ADC10IE; //ChooseADCRefsource __disable_interrupt();while(1){ADC10CTL0|=ENC+ADC10SC;//Samplingandconversionstart__bis_SR_register(LPM0_bits+GIE);//LPM0withinterruptsenabled temp=ADC10MEM; ADC10CTL0&=~ENC; IntDegF=temp*2.5/1023.0;//内部参考电压为2.5Vtemp1+=IntDegF;h++;if(h==10)//采1000组数取平均{ h=0; temp1=temp1/10.0; i=temp1*100.0/100; j=(unsignedint)(temp1*100.0)%100/10; k=(unsignedint)(temp1*100.0)%10; Write_DATA(10,LED_CODE[i]+0x80); Write_DATA(12,LED_CODE[j]); Write_DATA(14,LED_CODE[k]); temp1=0;}__no_operation();//SETBREAKPOINTHERE}}//ADC10interruptserviceroutine#pragmavector=ADC10_VECTOR__inter