8.4.5.1 Launch the Tool

The following are the steps to launch the Microchip RNBD Utility tool:
  1. To launch the tool, double click RNBD_DFU_OTAPC_Vx.x.x.exe.
  2. The tool has three separate tabs for each feature. By default, the DFU tab is selected and need to select OTA DFU tab for the Firmware upgrade using mobile app.
  3. From the “Serial Ports” drop-down list, select the respective COM Port.
  4. From the “Baud Rate” drop down list, select the baud rate. For example, select 115200.
  5. Click Connect to continue.
    Figure 8-22. Microchip RNBD Utility Tool OTA DFU Tab View
  6. After clicking the Connect button, the following buttons become active:
    • Update
    • Disconnect

    The Serial DFU and OTAPC tab is grayed out.

  7. If the connection is successful, the console text log displays the COM port and baud rate.
    Figure 8-23. Microchip RNBD Utility Tool OTA DFU Tab Connection Established
  8. Click the Update button.
    Upon clicking the update button the tool will be ready for OTA DFU procedure.
    Figure 8-24. RNBD350 Device Connection Request Message