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TDA4VM: TDA4VM 上ADC高速数据采集频率的问题

Part Number: TDA4VM
Other Parts Discussed in Thread: ADS127L01, ADS8688

您好:

我这里采用的TDA4VM + ADS8688+ADS127L01 ,都是再linux下通过SPI进行数据采集,但是目前碰到的问题是通过linux下的SPI通讯采集数据效率有点低,客户要求数据采集频率至少50K以上,但是目前我们只能达到10K,请问可否有解决方案,可以提升数据采集的频率?

另外说明一下ADS8688的驱动是采用官方推荐的linux内核内置的ti-ads8688的驱动,读写驱动文件的数据进行采集,ADS127L01是通过/dev/spidevx.x来进行spi通讯采集数据的。