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Manage the Seeed Xiao M0 and Wio Terminal boards

The Seeed SAMD platform includes two main lines of boards: the compact Xiao and the Wio Terminal.

Install the Seeed Xiao SAMD

To install the Seeed Xiao SAMD board,

  • Ensure the Arduino tools, CLI or IDE, are installed.

  • Ensure the arduino-cli.yaml configuration file for Arduino-CLI or the Additional boards manager URLs for Arduino IDE includes

https://files.seeedstudio.com/arduino/package_seeeduino_boards_index.json```

+ Open a **Terminal** window.

+ Run

``` bash dollar
arduino-cli core install Seeeduino:samd

Install the Seeed Wio Terminal

The Wio Terminal includes two MCUs: a SAMD51 Cortex-M4 MCU for general purpose, and an Ameba RTL8720DN for Wifi and Bluetooth radio.

Install the SAMD platform for the Wio Terminal board

  • Ensure the Arduino tools, CLI or IDE, are installed.

  • Ensure the arduino-cli.yaml configuration file for Arduino-CLI or the Additional boards manager URLs for Arduino IDE includes

https://files.seeedstudio.com/arduino/package_seeeduino_boards_index.json```

  • Open a Terminal window.

  • Run

$
arduino-cli core install Seeeduino:samd

Install the firmware and libraries for WiFi and Bluetooth

The initial firmware of the RTL8720 radio of the Wio Terminal only provides WiFi capabilities.

To use WiFi and Bluetooth, the Wio Terminal requires an update of the firmware and the installation of dedicated libraries.

The previous firmware based on AT-commands only provides WiFi capabilities.

Install the Ameba RTL8720DN platform for the Wio Terminal board

Apart from the main SAMD51 MCU, the Seeed SAMD Wio Terminal board includes another MCU, RTL8720DN, in charge of WiFi and Bluetooth.

To install the RTL8720DN of the Wio Terminal board,

  • Ensure the Arduino tools, CLI or IDE, are installed.

  • Ensure the arduino-cli.yaml configuration file for Arduino-CLI or the Additional boards manager URLs for Arduino IDE includes

https://files.seeedstudio.com/arduino/package_seeeduino_boards_index.json```

  • Open a Terminal window.

  • Run

$
arduino-cli core install realtek:AmebaD

For more information on the installation process,

Using the RTL8720DN requires a utility running on the SAMD51 to provide a bridge between the RTL8720DN and the serial over USB.

To install the Seeed Xiao nRF52840 board,

  • Ensure the Arduino tools, CLI or IDE, are installed.

  • Ensure the arduino-cli.yaml configuration file for Arduino-CLI or the Additional boards manager URLs for Arduino IDE includes

https://files.seeedstudio.com/arduino/package_seeeduino_boards_index.json

  • Open a Terminal window.

  • Run

$
arduino-cli core install realtek:AmebaD
  • Select the boards and click on Install.

For more information on the installation process,

Install the Seeed SAMD platform

The Seeed SAMD Xiao board includes the compact Xiao board and the IoT-enabled Wio Terminal.

To install the Seeed SAMD platform,

  • Download and install the supported versions of the Arduino IDE under the /Applications folder, as described in the section Install the Arduino platform.

  • Launch it.

  • Define the path of the sketchbook folder in the menu Arduino > Preferences > Sketchbook location.

  • Avoid spaces in the name and path of the sketchbook folder.

  • Follow the procedure Install additional boards on Arduino.

  • Call the Boards Manager and check the Seeed SAMD boards are listed.

If the Seeed boards aren’t listed on the Boards Manager,

https://raw.githubusercontent.com/Seeed-Studio/Seeed_Platform/master/package_seeeduino_boards_index.json
  • Select the boards and click on Install.

For more information on the installation process,

The boards package does not include the utilities for the UF2 upload.

Develop

Use the libraries for WiFi

Use the libraries for Bluetooth

  • Edit the main Makefile to list the required libraries.
USER_LIBS_LIST = ArduinoBLE

Use the libraries for SD

Check the tests

The test protocol includes building and linking, uploading and running a sketch on the boards using those versions of the IDEs and plug-ins. Boards packages are versioned but not dated.

| | Platform | IDE | Package | Comment ---- | ---- | ---- | ---- | ---- | ---- | Seeeduino | Arduino 1.8 | AVR 1.3.0 | | For Seeed and Seeed Grove Beginner Kit | | | | SAMD 1.8.0 | | For Xiao SAMD and Wio Terminal boards | | | | Realtek 3.0.7 | | For RTL8720DN on Wio Terminal board

Visit the official websites

Seeeduino
IDE Arduino-CLI or Arduino IDE
Website https://www.seeedstudio.com
Download https://wiki.seeedstudio.com/Seeed_Arduino_Boards
Wiki https://wiki.seeedstudio.com/Seeeduino_v4.2/
Xiao M0 https://wiki.seeedstudio.com/Seeeduino-XIAO/
Xiao RP2040 https://wiki.seeedstudio.com/XIAO-RP2040/
Xiao nRF52840 https://wiki.seeedstudio.com/XIAO_BLE/
Xiao ESP32C3 https://wiki.seeedstudio.com/XIAO_ESP32C3_Getting_Started/
Xiao ESP32S3 https://wiki.seeedstudio.com/xiao_esp32s3_getting_started/
Wio Terminal https://wiki.seeedstudio.com/Wio-Terminal-Getting-Started/
Forum https://forum.seeedstudio.com/

Upload

Upload to Seeeduino SAMD boards

The Seeeduino SAMD boards offer multiple options for uploading, two for the Wio Terminal and three for the Xiao M0 board.

The two first options rely on USB. They include the standard serial and the UF2 drag-and-drop procedures.

Unfortunately, the boards package supplied by Seeeduino doesn’t include the utilities required by UF2. They need to be installed from another board package.

For more information,

The last option leverages the exposed pads SWCLK and SWDIO for SWD signal. It is designed specifically for debugging. It has been explored with the Xiao M0 board.

For more information,

Upload to the RTL8720DN MCU of the Wio Terminal board

Using the RTL8720DN MCU requires to run a utility on the main SAMD51 MCU to provide a bridge between the RTL8720DN and the serial over USB.

For more information on the installation process,

Debug

The Seeeduino Xiao M0 exposes the SWD signals through SWCLK and SWDIO pads.

Cables and pins should be soldered to connect the Segger J-Link programmer-debugger.

For more information,

The Xiao M0 can be used as a CMSIS-DAP probe to debug another Xiao M0.

For more information on using a Xiao M0 as a CMSIS-DAP probe,

Below is an example of the configuration of the tasks file tasks.json for debugging against the Xiao M0 with an addtional Xiao M0 as CMSIS-DAP debugger.

{
    "version": "0.2.0",
    "configurations": [
        {
            "type": "cortex-debug",
            "request": "launch",
            "name": "Xiao M0 CMSIS-DAP",
            "servertype": "openocd",
            "cwd": "${workspaceRoot}",
            "executable": "${workspaceRoot}/.builds/embeddedcomputing.elf",
            "interface": "swd",
            "gdbPath": "/usr/bin/gdb-multiarch",
            "device": "at91samdXX",
            "serverArgs": [
                "-s", "/usr/share/openocd/",
                "-c", "adapter speed 2000",
                "-f", "target/at91samdXX.cfg",
            ],
            "configFiles": [
                "interface/cmsis-dap.cfg"
            ],
            }
            // The extension uploads the executable to the MCU
            // "preLaunchTask": "Make"
        }
    ]
}