之前做过通过定时器触发adc采样保证其精确的采样率 ,am335x 应该也有类似机制
在 Am335x Reference Manual Figure 12-1 框图中有看到TIMER4 5 6 7 ext_hw_event 触发ad采样 ,但没有看到具体说明?
或者在Linux 中有没其他方式设置较精确的采样率
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