Add check for I2S buffer pointer alignment #225
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Buffer pointer addresses need to be 4 byte aligned to be used with the I2S DMA.
This PR adds a check in the
rx,transferandtxTransferconstructors and returns anError::BufferMisalignedif this is not fulfilled.Added trait bounds for supported word sizes (<=4 byte words)
Controller and peripheral demos were updated to utilize
Alignedto ensure correct alignment.Tested and verified to be working correctly on hardware.