基于MSP430f5529的ADC12A0通道的0~2.5V電壓采集程序

ID:815603 · 發(fā)表于 2020-8-23 21:27

#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(fù)位控制
ADC12CTL0 = ADC12ON + ADC12SHT02 + ADC12REFON + ADC12REF2_5V;

ADC12CTL1 = ADC12SHP;    //采樣保持
ADC12MCTL0 = ADC12SREF_1; //存儲(chǔ)參考電壓

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

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

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

帳號(hào)		自動(dòng)登錄	找回密碼
密碼			立即注冊(cè)