STM32 SPI Communication - The Engineering Projects
26.STM32 SPI通信接口_stm32 spi寄存器_普通的不普通少年的博客-CSDN博客
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)