What should be the value of bufferSize in HAL_SPI_TransmitReceive_DMA?
When I set my SPI to full duplex mode and CRC is enabled then what should be the value of bufferSize in HAL_SPI_TransmitReceive_DMA(&hspi1, (uint8_t*)aTxBuffer, (uint8_t *)aRxBuffer, bufferSize ) function?for ex size of buffers is 4 bytes (excluding ...