Z8530 Programming Guide
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z8530_dma_status

Name

z8530_dma_status -- Handle a DMA status exception

Synopsis

void z8530_dma_status (struct z8530_channel * chan);

Arguments

chan: Z8530 channel to process

Description

A status event occurred on the Z8530. We receive these for two reasons when in DMA mode. Firstly if we finished a packet transfer we get one and kick the next packet out. Secondly we may see a DCD change and have to poke the protocol layer.

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