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library/spi_engine: fix segmented transfers with echo_sclk #1532

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library/spi_engine: fix segmented transfers with echo_sclk #1532

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LBFFilho
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@LBFFilho LBFFilho commented Nov 28, 2024 •
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PR Description

Currently, segmented transfers (where two transfer instructions of different lenghts are used without deasserting CS to assemble a single SPI transfer) are broken when using echo_sclk. This PR fixes this issue.

PR Type

  • Bug fix (change that fixes an issue)
  • New feature (change that adds new functionality)
  • Breaking change (has dependencies in other repos or will cause CI to fail)

PR Checklist

  • I have followed the code style guidelines
  • I have performed a self-review of changes
  • I have compiled all hdl projects and libraries affected by this PR
  • I have tested in hardware affected projects, at least on relevant boards
  • I have commented my code, at least hard-to-understand parts
  • I have signed off all commits from this PR
  • I have updated the documentation (wiki pages, ReadMe files, Copyright etc)
  • I have not introduced new Warnings/Critical Warnings on compilation
  • I have added new hdl testbenches or updated existing ones

@LBFFilho LBFFilho requested a review from sarpadi November 28, 2024 18:45
@LBFFilho
SPI Engine: fix segmented transfers with echo_sclk
6399547 
Signed-off-by: Laez Barbosa <laez.barbosa@analog.com>
@LBFFilho
SPI Engine: improve timing
8d2c41a 
pre-compute the last bit counter value

Signed-off-by: Laez Barbosa <laez.barbosa@analog.com>
@LBFFilho LBFFilho force-pushed the echo_sclk_segmented_fix branch from c75b87e to 8d2c41a Compare December 6, 2024 14:50
@sarpadi sarpadi marked this pull request as ready for review December 10, 2024 08:30
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sarpadi commented Dec 10, 2024

RetriggerCI

@LBFFilho
fix transfer_done condition for non-echo_sclk cases
d533c4b 
Signed-off-by: Laez Barbosa <laez.barbosa@analog.com>
@LBFFilho LBFFilho changed the title SPI Engine: fix segmented transfers with echo_sclk library/spi_engine: fix segmented transfers with echo_sclk Dec 13, 2024
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@sarpadi sarpadi Awaiting requested review from sarpadi sarpadi is a code owner

@podgori podgori Awaiting requested review from podgori podgori is a code owner

@StancaPop StancaPop Awaiting requested review from StancaPop StancaPop is a code owner

@ladace ladace Awaiting requested review from ladace ladace is a code owner

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@LBFFilho @sarpadi