AXI DMA with Scatter-Gather: Streamlining Data Transfer in Embedded Systems
In the world of embedded systems, efficient and fast data transfer is of utmost importance. This is where Direct Memory Access (DMA) comes into play. DMA technology allows data to be transferred directly between memory and peripherals, bypassing the need for the CPU to handle each transfer individually. This greatly speeds up the transfer process and frees up the CPU to focus on other tasks. But what if the data you need to transfer is not stored in contiguous blocks in memory? The capacity of AXI DMA scatter gather to capture data in this situation is useful. Scatter-Gather: Breaking Down Data into Smaller Blocks The scatter-gather feature of AXI DMA enables the transfer of non-contiguous blocks of data in a single transaction. Instead of transferring the data as a whole, it breaks it down into smaller, contiguous blocks and transfers them individually. This allows for a more flexible and efficient data transfer process, especially for applications that require large amounts of da...