An ACL packet, which can interrupt the regular flow of SCO data.

为一acl数据包，可中断正常的SCO数据流。

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Before the interrupt is raised, all other pre-requisites (setting up any address, data, etc.) for that interrupt should be handled in the kernel thread.

在触发中断之前，该中断的所有其他前提条件(设置地址、数据等)都应该在内核线程中进行处理。

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Interrupt transfers: These are data packets that are polled periodically.

中断传输：这些是定期轮询的数据包。

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