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Misunderstanding of hal_spi Communication Functions

The hal_spi communication function returns HAL_OK while nothing is OK. I use HAL_SPI_Receive, HAL_SPI_TransmitReceive, and ...
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STM32 HAL_DELAY hangs with HAL_GetTick=0 [closed]

Environment: GNU_ARM, STM32F407 Every time I use hal_delay() the program hangs just before the call to hal_delay(). I added: <...
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