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[FL-3348] Software SPI #3861

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[FL-3348] Software SPI #3861

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@portasynthinca3 portasynthinca3 commented Aug 29, 2024 •
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What's new

  • Software SPI library (master mode only)
  • SPI testing app (spi_test)

Verification

  • Connect a logic analyzer or an oscilloscope to pins PA7 (MOSI), PB3 (SCK) and PA4 (CS)
  • Bridge pins PA6 (MISO) and PA7 (MOSI) together
  • Launch the spi_test app
  • Select "Software TRX"
  • Verify that the signal looks good
  • Verify that the logs say sent 55 AA, received 55 AA

Waveforms

Hardware SPI:
hardspi

Software SPI (far away, CS transitions visible):
softspi_far

Software SPI (up close, no CS transitions visible):
softspi_close

Checklist (For Reviewer)

  • PR has description of feature/bug or link to Confluence/Jira task
  • Description contains actions to verify feature/bugfix
  • I've built this code, uploaded it to the device and verified feature/bugfix

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github-actions bot commented Aug 29, 2024 •
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Compiled f7 firmware for commit b0573ef5:

@portasynthinca3 portasynthinca3 marked this pull request as ready for review August 29, 2024 14:20
@portasynthinca3 portasynthinca3 force-pushed the portasynthinca3/3348-softspi branch from 4ea7a00 to 85a1d42 Compare September 6, 2024 14:05
skotopes
skotopes requested changes Sep 12, 2024
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lib/softio/softio_spi.h Show resolved Hide resolved
@skotopes skotopes marked this pull request as draft September 12, 2024 16:24
@portasynthinca3 portasynthinca3 marked this pull request as ready for review September 20, 2024 13:18
skotopes
skotopes requested changes Oct 10, 2024
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lib/softio/softio_spi.c Show resolved Hide resolved
@skotopes skotopes marked this pull request as draft October 14, 2024 13:57
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undraft when ready

@portasynthinca3 portasynthinca3 marked this pull request as ready for review October 14, 2024 16:06
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Reviewers

@DrZlo13 DrZlo13 Awaiting requested review from DrZlo13 DrZlo13 is a code owner

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

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

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

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

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@portasynthinca3 @skotopes