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Extend libtapasco with Monitor DMA Engine #299

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Extend libtapasco with Monitor DMA Engine #299

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Commits on Sep 6, 2021

  1. Extend libtapasco with Monitor DMA Engine 

    Implement suggestion of @jahofmann in:
esa-tu-darmstadt#296 (comment)

When a new device is created a dummy implementation of the DMA Engine is
used that simply does nothing. The actual DMA Engine is initialized
later when the access mode is changed from monitor to exclusive mode.

This is necessary to prevent a monitoring application like
`tapasco-debug` to allocate all DMA Buffers of the kernel driver.
    @zyno42
    zyno42 committed Sep 6, 2021
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