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標題: 基于MSP430f5529的ADC12A0通道的0~2.5V電壓采集程序 [打印本頁]

作者: chen-sir 時間: 2020-8-23 21:27
標題: 基于MSP430f5529的ADC12A0通道的0~2.5V電壓采集程序
#include <msp430f5529.h>
#define uint unsigned int
#define uchar unsigned char
uint results[32]; //保存ADC轉(zhuǎn)換結(jié)果的數(shù)組
unsigned int i;

void main(void)
{
uchar i;

WDTCTL = WDTPW+WDTHOLD;

P6SEL |= 0x01;          //使能A0輸入通道
REFCTL0 &= ~REFMSTR;    //復位控制
ADC12CTL0 = ADC12ON + ADC12SHT02 + ADC12REFON + ADC12REF2_5V;

ADC12CTL1 = ADC12SHP;    //采樣保持
ADC12MCTL0 = ADC12SREF_1; //存儲參考電壓

for(i=0;i<0x30;i++) ;       //延時穩(wěn)定

ADC12CTL0 |= ADC12ENC;    //使能轉(zhuǎn)換

while(1)
{
      ADC12CTL0 |= ADC12SC;    //開始轉(zhuǎn)換
      while((!ADC12IFG & BIT0)); //等待
      results[0] = ADC12MEM0;             // 轉(zhuǎn)換 results
   }
}

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