基于STM32标准库的对AC电源交流信号的定时器中断的ADC采样代码

好的，下面是基于STM32标准库的对AC电源交流信号的定时器中断的ADC采样代码，仅供参考：

#include "stm32f10x.h"

#define TIM_PERIOD    1000   //定时器周期，单位为us
#define ADC1_DR_Address    ((uint32_t)0x4001244C)

__IO uint16_t ADC_ConvertedValue;

void RCC_Configuration(void)
{
  RCC_ADCCLKConfig(RCC_PCLK2_Div6);
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_GPIOA, ENABLE);
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
}

void GPIO_Configuration(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;

  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
  GPIO_Init(GPIOA, &GPIO_InitStructure);
}

void TIM_Configuration(void)
{
  TIM_TimeBaseInitTypeDef TIM_InitStructure;
  NVIC_InitTypeDef NVIC_InitStructure;

  TIM_InitStructure.TIM_Period = TIM_PERIOD - 1;
  TIM_InitStructure.TIM_Prescaler = (72 - 1);
  TIM_InitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
  TIM_InitStructure.TIM_CounterMode = TIM_CounterMode_Up;
  TIM_TimeBaseInit(TIM2, &TIM_InitStructure);

  TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);

  NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);

  TIM_Cmd(TIM2, ENABLE);
}

void ADC_Configuration(void)
{
  ADC_InitTypeDef ADC_InitStructure;

  ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
  ADC_InitStructure.ADC_ScanConvMode = DISABLE;
  ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
  ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T2_TRGO;
  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_239Cycles5);

  ADC_Cmd(ADC1, ENABLE);

  ADC_ResetCalibration(ADC1);
  while(ADC_GetResetCalibrationStatus(ADC1));

  ADC_StartCalibration(ADC1);
  while(ADC_GetCalibrationStatus(ADC1));

  ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}

void TIM2_IRQHandler(void)
{
  if (TIM_GetITStatus(TIM2, TIM_IT_Update) != RESET)
  {
    ADC_ConvertedValue = ADC_GetConversionValue(ADC1);
    TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
  }
}

int main(void)
{
  RCC_Configuration();
  GPIO_Configuration();
  TIM_Configuration();
  ADC_Configuration();

  while (1);
}

以上代码实现了定时器中断的ADC采样，其中定时器TIM2被配置为1ms的周期，用于触发ADC采样。ADC通道0用于采集交流信号。为了便于理解，这里只展示了配置代码，没有展示数据处理部分的代码。如果需要完整的代码，可以自行搜索。