~ruther/vhdl-spi-2

ref: b0573427d75a75434007ed4b573919e616faabc7 vhdl-spi-2/stm_spi_funduino/libs/cmsis_device_f4 d---------
ff6a0bdf — Rutherther 4 months ago 
feat(stm spi): add stm spi project

The spi slave project that will receive numbers over spi
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