Configuring low-level Port, Dio, Spi, and Can drivers to operate with zero CPU polling via Direct Memory Access (DMA) ring buffers.
Transferring 2048-byte CAN-XL frames directly between network controller RAM and system SRAM without interrupting critical control tasks.
Optimizing Nested Vectored Interrupt Controllers (NVIC) and prioritizing hard real-time motor control loops over diagnostics traffic.