Overview

The SCuM-programmer allows you to:

1. load firmware onto SCuM

2. interact with SCuM’s serial port

It consists of the following elements:

• the SCuM-programmer.py Python script running on your computer which you interact with

• an nRF52840-DK board running the scum-programmer.hex firmware, connected to your computer using a USB cable, and connected to a SCuM board using jumper cables

Installation

• preparing your computer

  • install the latest Python onto your computer (https://www.python.org/downloads/ ). Python 3.9.4 known to work.

  • download the latest SCuM-programmer release onto your desktop https://github.com/openwsn-berkeley/SCuM-programmer/releases/latest

  • make sure you can run SCuM-programmer.py

• connect the nRF52840-DK

  • plug in your nRF52840-DK into your computer, drive "JLINK" appears

  • drag-and-drop scum-programmer.hex onto this drive

  • make sure the LEDs on your nRF52840-DK go round-and-round

• connect the SCuM board

  • install the following jumper wires

Use case 1: load firmware onto SCuM

Use case 2: interact with SCuM’s serial port