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I2C broken on STM32F4 since IT mode used #153

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fpistm opened this issue Nov 20, 2017 · 1 comment · Fixed by #155
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I2C broken on STM32F4 since IT mode used #153

fpistm opened this issue Nov 20, 2017 · 1 comment · Fixed by #155
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fpistm commented Nov 20, 2017

Since the I2C IT mode is used #135, I2C tests with STM32 F4 based boards are broken.
(reproduced on several boards: 429ZI, 401RE, 411RE).
Seems the write operation do not end properly: ACK failed.
Changing the timing change the error occurrences.

Blocke for next release.
@fpistm fpistm added the bug 🐛 Something isn't working label Nov 20, 2017
@fpistm fpistm added this to the Next release milestone Nov 20, 2017
@cparata cparata mentioned this issue Nov 21, 2017
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cparata commented Nov 21, 2017

Hi all,
this PR should fix this issue.
Best Regards,
Carlo

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Fix I2C bug for F4 platforms in IT mode cparata/Arduino_Core_STM32
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