WebApr 9, 2024 · stm32使用hal库的adc多通道数据采集(dma+非dma方式) adc模式介绍: 扫描模式: 多通道采集必须开启,这一项cube已经默认设置好了。这个模式就是自动扫描你开启的所有通道进行转换,直至转换完。但是这种连续性是可以被打断的,所以就引出了间断模式。连续模式: 在cube中选中enable就是连续模式 ... WebJan 3, 2024 · 这里要注意了,我调试的时候发现HAL_ADC_Start_DMA()函数中最后一个参数的大小起码要比你定义的AD_DMA数组大2,不过不能大于2倍,前面的使用这个函 …
HAL库 ADC超详细(查询、中断、DAM) - CSDN博客
WebInterruptions enabled in this function: overrun (if applicable), DMA half transfer, DMA transfer complete. Each of these interruptions has its dedicated callback function. Case of multimode enabled (when multimode feature is available): HAL_ADC_Start_DMA () is designed for single-ADC mode only. WebNov 2, 2024 · 转换时间. 采样周期最小是 1.5 个,即如果我们要达到最快的采样,那么应该设置采样周期为 1.5 个周期,这里说的周期就是1/ADC_CLK. ADC 的总转换时间跟 ADC 的输入时钟和采样时间有关,其公式如下:. Tconv = 采样时间 + 12.5 个周期. 其中 Tconv 为 ADC 总转换时间,当 ... ebay 6 volt honda rectifier upgrade ct200
STM32F4: How to get data from multiple channels sampled from a single ADC?
WebThe HAL library had the same bug as the code above. To solve it, either: Set the CR2_DDS bit, as in the accepted answer. However this might cause overrun error, as data is continuously converted. Clear the CR2_DMA bit before setting it again (or call ADC_HAL_Start_DMA) to start the sampling again. WebDemo 3: DMA with ADC. The DMA is a great tool to use with the ADC when you want to transfer lots of samples to memory continuously. It can be used for audio sampling, a custom oscilloscope, etc. The STM32 HAL makes it a little easier to use, as there’s some built-in functions that control the DMA with the ADC, specifically. WebApr 27, 2024 · 5. After you start ADC with HAL_ADC_Start (), hardware starts ADC conversion. This conversion takes some time. Exact time depends on your ADC configuration in Cube, the greater value of ADC prescaler and cycle count the longer it takes. After conversion is completed, EOC flag in ADC hardware is set and measured … company of heroes american tips