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標題:
基于MSP430f5529的ADC12A0通道的0~2.5V電壓采集程序
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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轉換結果的數組
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++) ; //延時穩定
ADC12CTL0 |= ADC12ENC; //使能轉換
while(1)
{
ADC12CTL0 |= ADC12SC; //開始轉換
while((!ADC12IFG & BIT0)); //等待
results[0] = ADC12MEM0; // 轉換 results
}
}
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