MSP430G2553__ADC测试程序

ID:3721 · 发表于 2016-6-13 14:15

#include "io430.h"
long temp;
long IntDegF;
long IntDegC;
void delay(unsigned int ms)
{
  while(ms--);
}
void ADC10init()
{
  ADC10CTL0 &=~ENC;  //disable ADC10
  ADC10CTL0=ADC10IE + ADC10ON + REFON + ADC10SHT_3 + SREF_1;
  //ADC10IE       ADC10 Interrupt Enalbe
  //ADC10ON       ADC10 On/Enable
  //ADC10SHT_3    64 x ADC10CLKs
  //SREF_1       VR+ = VREF+ and VR- = AVSS
  ADC10CTL1=CONSEQ_0 + ADC10SSEL_0 + ADC10DIV_3 + SHS_0 + INCH_0;
  //CONSEQ_0    Single channel single conversion
  //ADC10SSEL_0 ADC10OSC  ADC_clock choice
  //ADC10DIV_3    ADC10 Clock Divider Select 3
  // SHS_0                ADC10SC
  // INCH_0       Selects Channel 0
  delay(30000);
  ADC10CTL0 |=ENC;  //enable ADC10
}
int main( void )
{
  // Stop watchdog timer to prevent time out reset
  //WDTCTL = WDTPW + WDTHOLD;
  ADC10init();
  while(1)
  {
ADC10CTL0 |=ENC + ADC10SC;
__bis_SR_register(CPUOFF + GIE);
temp=ADC10MEM;
__no_operation();


  }
}
#pragma vector=ADC10_VECTOR
__interrupt void ADC10_ISR_HOOK(void)
{
__bis_SR_register_on_exit(LPM4_bits);
}

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