4 Migration Guide

A guide to generate SAME70 Rev A example from SAM E70 Rev B example
  1. Browse and Save configuration of the exiting example
  2. Open the downloaded .atstart file using any text editor
  3. Replace all the occurrences of
    • ATSAME70Q21B-AN to ATSAME70Q21A-AN
    • SAME70B to SAME70
    • Board Identifier from "SAME70Xplained" to "CustomBoard"
  4. Go to start.atmel.com -> LOAD PROJECT FROM FILE and open the saved .atstart file
  5. Export the project with modified configuration
A guide to migrate the projects which uses the device names SAMC20J17A-UN, SAMC20J18A-UN, SAMC21J17A-UN, SAMC21J18A-UN
  1. Go to the folder with the name ".atstart" inside the existing project
  2. Open the file with the name "atmel_start_config.atstart" in text editor
  3. Find all instance of the device name and replace with the new name
  4. For example, if the existing project uses the device with the name "SAMC20J17A-UN", then find all the instance of the device name "SAMC20J17A-UN" and replace with the new device name "SAMC20J17A-UU"
  5. Save the file and close
  6. Now you can reconfigure the project using Studio/Start web interface
Migration guide for I2S module reconfiguration issue
  1. Goto -> Atmel START website and create a fresh Project for SAMD5x/E5x with only I2S configuration as per Application requirement. Though configurations remains same, just reconfigure the same configuration user needs.
  2. Download the new .atstart file for this configuration.
  3. Open the new atstart file and user can see there will be section called I2S_0 which has subsections like configurations, optional_signals, clocks etc.
  4. Copy the optional_signals subsection from the new atstart file and replace the same subsection in the old atstart file with copied content. Save the old_atstart file. Tip: User can also compare to text compare tools to see the difference before replacing the content.
  5. Copy the subsection variant from new to old atstart file. After replacing the content from new atstart file, the variant subsection should be like "variant : null"
  6. Now the modified old atstart file can be reloaded into Atmel START and continue the application development.