在STM32的ADC 配置中,可以配置成DMA模式来减轻cpu的负担,用DMA把ADC转换的数据传送到内存中的一个数组里存起来.-In the ADC STM32 configuration, you can configure the DMA mode to reduce the burden of CPU, and use DMA to transfer the data the ADC to the memory of an array in memory.