stm32f103定时器cc1触发adc采样用代码实现

以下是实现代码的示例：

#include "stm32f10x.h"

#define ADC1_DR_Address ((uint32_t)0x4001244C)

void TIM3_IRQHandler(void)
{
    if (TIM_GetITStatus(TIM3, TIM_IT_CC1) == SET)
    {
        TIM_ClearITPendingBit(TIM3, TIM_IT_CC1);

        /* Start ADC conversion */
        ADC_SoftwareStartConvCmd(ADC1, ENABLE);
    }
}

void ADC1_IRQHandler(void)
{
    if (ADC_GetITStatus(ADC1, ADC_IT_EOC) == SET)
    {
        ADC_ClearITPendingBit(ADC1, ADC_IT_EOC);

        /* Read the converted value */
        uint16_t adc_value = ADC_GetConversionValue(ADC1);

        /* Do something with the value */
        // ...
    }
}

int main(void)
{
    /* Enable clocks */
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_GPIOA, ENABLE);

    /* Configure TIM3 */
    TIM_TimeBaseInitTypeDef tim_init;
    tim_init.TIM_Prescaler = SystemCoreClock / 1000000 - 1;
    tim_init.TIM_Period = 10000 - 1;
    tim_init.TIM_CounterMode = TIM_CounterMode_Up;
    TIM_TimeBaseInit(TIM3, &tim_init);

    /* Configure TIM3 channel 1 to trigger ADC */
    TIM_OCInitTypeDef tim_oc_init;
    tim_oc_init.TIM_OCMode = TIM_OCMode_Timing;
    tim_oc_init.TIM_OutputState = TIM_OutputState_Enable;
    tim_oc_init.TIM_Pulse = 1000 - 1;
    tim_oc_init.TIM_OCPolarity = TIM_OCPolarity_High;
    TIM_OC1Init(TIM3, &tim_oc_init);

    /* Configure ADC */
    ADC_InitTypeDef adc_init;
    adc_init.ADC_Mode = ADC_Mode_Independent;
    adc_init.ADC_ScanConvMode = DISABLE;
    adc_init.ADC_ContinuousConvMode = DISABLE;
    adc_init.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T3_CC1;
    adc_init.ADC_DataAlign = ADC_DataAlign_Right;
    adc_init.ADC_NbrOfChannel = 1;
    ADC_Init(ADC1, &adc_init);

    /* Configure ADC channel 0 on PA0 */
    ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_239Cycles5);

    /* Enable interrupts */
    NVIC_EnableIRQ(TIM3_IRQn);
    NVIC_EnableIRQ(ADC1_IRQn);

    /* Enable TIM3 and ADC */
    TIM_Cmd(TIM3, ENABLE);
    ADC_Cmd(ADC1, ENABLE);
    ADC_ITConfig(ADC1, ADC_IT_EOC, ENABLE);

    while (1)
    {
        // ...
    }
}

此代码演示了如何使用 TIM3 的 channel 1 触发 ADC1 的采样，并使用 ADC1 的 EOC (end of conversion) 中断处理程序读取采样结果。请注意，此示例代码中未包含初始化相关的库函数调用，需要根据实际使用的库和硬件进行相应的修改。