1.1.23 SAM E70 Xplained Ultra Evaluation Kit: Building and Running the USB Device HID Bootloader Applications

Downloading and Building the Application

To clone or download this application from Github, go to the main page of this repository and then click Clone button to clone this repo or download as zip file. This content can be download using content manager by following these instructions.

Path of the application within the repository is apps/usb_device_hid_bootloader/.

To build the application, refer to the following table and open the project using its IDE.

Setting Up SAM E70 Xplained Ultra Evaluation Kit

  • Connect the Debug USB port on the board to the computer using a micro USB cable
  • Use TARGET USB J202 connector on the board to connect the USB device to the USB Host PC
  • Jumper J203 must be shorted between PB08 and VBUS (positions 2 and 3)

Running the Application

  1. Open the test application project test_app/firmware/sam_e70_xult.X in the IDE.
  2. Build the project to generate the binary (Do not program the binary).
  3. Open the bootloader project bootloader/firmware/sam_e70_xult.X in the IDE.
  4. Build and program the application using the IDE.
  5. Once programming is completed and bootloader starts running:
    • LED1 will be turned-on
    • HID Custom device with product ID 3C will be enumerated on Host PC
  6. Open the Terminal application (e.g., Tera Term) on the computer to get test application messages through UART once bootloaded.
  7. Configure the serial port settings as follows:
    • Baud: 115200
    • Data: 8 Bits
    • Parity: None
    • Stop: 1 Bit
    • Flow Control: None
  8. Launch the Unified Host application from below path:
    • <harmony3_path>/bootloader/tools/UnifiedHost-*/UnifiedHost-*.jar
  9. Configure the Unified host application.
    • Select the Device Architecture and Protocol as shown below
    • Click the Configure button and select the USB Device as 3C
    • Load the test application hex file to be programmed using below option
      • <harmony3_path>/bootloader_apps_usb/apps/usb_device_hid_bootloader/test_app/firmware/sam_e70_xult.X/dist/sam_e70_xult/production/sam_e70_xult.X.production.hex
    • Open the Console window of the host application to view application bootloading sequence
  10. Click the Program Device button to program the loaded test application hex file on to the device.
  11. Following figure shows output of successfully programming the test application.
  12. If above step is successful then LED1 should start blinking and the user should see below output on the console.
  13. Press and hold the Switch SW0 to trigger Bootloader from test application and the user should see below output.
  14. Repeat Steps 10-12 once and jump to Step 15.
    • This step is to verify that bootloader is running after triggering bootloader from test application in Step 13
  15. Press and hold the Switch SW0 and then press Reset button or Power cycle the device to force trigger bootloader at startup.
  16. Repeat Steps 10-12 once.
    • This step is to verify whether bootloader is triggered by switch press at reset