一、ADC概念

      实现模拟信号转换成数字信号就是这样子= =

 

二、代码框架

#include "stm32f10x.h"void delay(u32 kk){  while(kk--);}int main(){  u16 ad=0,adc0=0;        GPIO_InitTypeDef GPIO_InitStructure;  ADC_InitTypeDef ADC_InitStructure;  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_ADC1, ENABLE);      GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_0;  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;  GPIO_Init(GPIOA, &GPIO_InitStructure);    ADC_InitStructure.ADC_Mode= ADC_Mode_Independent;    ADC_InitStructure.ADC_ScanConvMode=DISABLE;    ADC_InitStructure.ADC_ContinuousConvMode=ENABLE;    ADC_InitStructure.ADC_ExternalTrigConv=ADC_ExternalTrigConv_None;    ADC_InitStructure.ADC_DataAlign=ADC_DataAlign_Right;     ADC_InitStructure.ADC_NbrOfChannel=1;     ADC_Init(ADC1,&ADC_InitStructure);     ADC_RegularChannelConfig(ADC1,ADC_Channel_0, 1,ADC_SampleTime_1Cycles5);     ADC_Cmd(ADC1,ENABLE);    ADC_SoftwareStartConvCmd(ADC1,ENABLE);      while(1)  {        while(ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC)==RESET);         ad=ADC_GetConversionValue(ADC1);        adc0=ad;  }}