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ADS1198采样率的问题

Other Parts Discussed in Thread: ADS1198

采用ADS1198与STM32通讯,设置采样率为500SPS时,理论上采样500个点需要的时间是1S,DEBUG计时采样500个点,发现居然用了4秒,将采样率提高到1KSPS,采样500个点的时间也是接近4秒。采样率提高到4K,采样500个点的时间缩短到2S多,不知道程序哪里有问题。

                  采集心电信号发生器的数据,理论上只能采一个心电波形的,却采到4个

                                                            读取心电数据部分代码