apache / apache/mynewt-core

SPI fails on STM32L0

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#1,405 1 comment 0 reactions 1 assignee Claimed by @utzig View on GitHub
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Description

Running SPI at hundreds of KHz or higher rates on STM32L0 with default clock looses the first one or two bytes of communication. Some debugging of this indicates the issue is related to the time taking to enable SPI through the SPI_SS interrupt.

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