HAL_SPI_TransmitReceive_IT is not calling HAL_SPI_TxRxCpltCallback
Getting Started with STM32 - How to Use SPI
Two STM32F103C8´s connected by SPI. Master is sending data=3 as test, Slave STM received the data, HAL_SPI_RxCpltCallback is fire, but HAL_SPI_ErrorCallback is fire too, HAL_SPI_GetError=4 (overload)