DMA: Deduplicate descriptor operations (#2219)

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* Deduplicate descriptor operations

* Reuse constructor

* Reuse linked list construction logic

* Extract count calculations into DescriptorSet

* Reuse more code in DescriptorChain

* Refactor DescriptorChain

* Move DescriptorSet next to DescriptorChain

* Restore comment

* Merge fns

* Implement error conversion

* Further cleanup

* Rearrange some code

* Add some docs

* Clippy

* Restore macro behaviour when requesting 0 descriptors

* Restore the buffer directly, instead of tracking where we read from

* Move validation back into the buffers

* Revert use in dma_tx_buffer

* Rename iterator methods

* Outline eof logic

* Don't set up descriptor flags before time, rename methods

* Hide DescriptorSet

* Remove block size from DescriptorSet

* Move comment

* Fix renamed references

* Address review comments

* Simplify received_data fns

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Dániel Buga 2024-09-27 11:33:26 +02:00 committed by GitHub

parent f50c6fc071

commit 4422ed3ccf

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1 changed files with 382 additions and 472 deletions

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esp-hal/src/dma/mod.rs

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