stm32f4xx_hal_spi.c, HAL_SPI_TransmitReceive - why would you need synchronisation variable?
Posted on June 04, 2018 at 16:16Hi Everyone,In HAL_SPI_TransmitReceive, in the part actually transmitting data, there is a txallowed variable, blocking sending until the reception is done. If SR is cached and checked for the RXNE flag first, before ...