XDMA example

Purpose

The xdma example will help new users get familiar with Atmel's SAMV7 family of microcontrollers's XDMA peripheral.

Requirements

This package can be used with SAMV71 Xplained Ultra board or SAME70 Xplained board.

Description

This example proposes different configuration possible by XDMA and after configuring it user can start memory to memory transfer. Memory transfer result varies according to configuration

Usage

1. Build the program and download it inside the board. Please refer to the Getting Started with SAM V71/E70 Microcontrollers.pdf
2. On the computer, open and configure a terminal application (e.g. HyperTerminal on Microsoft Windows) with these settings:
   • 115200 baud rate
   • 8 bits of data
   • No parity
   • 1 stop bit
   • No flow control
3. Start the application.
4. The following text should appear (values depend on the board and chip used):

         -- XDMA example xxx --
         -- xxxxxx-xx
         -- Compiled: xxx xx xxxx xx:xx:xx --
   

References

• xdma/main.c
• xdmac.c
• xdmad.c
• xdma_hardware_interface.c