Maxim-integrated MAX31782 Manual do Utilizador descarregar pdf (Página 56)

Maxim Integrated 6-13

MAX31782 User’s Guide

Revision 0; 8/11

6.3.2 Continuous Conversion of 16 Samples

ADCN_bit.IREFEN=1; //enabletheinternalreference

ADCN_bit.ADDAINV=3; //settheinterruptflagafter16conversions

ADCN_bit.ADCONT=1; //runcontinuousconversions

ADST_bit.ADCFG=1; //setADDATAasADCFG

ADST_bit.ADIDX=0; //ADIDX=0,settoADCFG[0]

ADDATA=0x08;  //ADCFG[0]:Differentialvoltage,ch0,1.225VFS,RightAligned

ADADDR=0x0000;  //ADSTART=0,ADEND=0,sequenceisonlyADCFG[0]

ADST_bit.ADDAI=0; //cleartheinterruptflag

ADST_bit.ADCONV=1; //starttheconversion

while(!ADST_bit.ADDAI) //waitfor16conversionstocomplete

;

ADST_bit.ADCONV=0; //stoptheconverter

ADST_bit.ADDAI=0; //cleartheinterruptflag

ADST_bit.ADCFG=0; //setADDATAtodatabuffer

ADST_bit.ADIDX=0; //setADDATAtodatabuffer[0]

for(i=0;i<16;i++)

ADC[i]=ADDATA; //readall16conversions

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Maxim-integrated MAX31782 Manual do Utilizador Página 56