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Subject [GitHub] utzig opened a new pull request #941: Stm32 common SPI
Date Wed, 21 Mar 2018 11:13:56 GMT
utzig opened a new pull request #941: Stm32 common SPI
   This adds an initial common shared SPI driver for all STM32 supported MCUs.
   For now I disabled support for slave on F3/F7, which have internal FIFOs. The TX FIFO is
not configurable on size always generates a `TXE` interrupt when it is half full, and it does
not seem to have a flush operation, so when working as slave, after SS is asserted there is
no way to flush whatever was already presented in the FIFO and it will be sent later after
a new communication, breaking functionality of some apps like spitest. I will open an issue
to look into this after all common driver framework is in place.

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