initial testing instructions

Add initial testing instructions. More details instructions to follow.

README.md

@@ -2,3 +2,35 @@
 
 This repo contains end of line testing scripts and firmware for the Cooper
 Common Microcontroller Node.
+
+### Supported Operating Systems
+
+* Full Support: Linux
+* Partial Support MacOS/Darwin
+
+### Testing Instructions
+
+#### Requirements
+
+* [SCons](https://scons.org) `pip install --user scons`
+* [Rust](https://rust-lang.org) Your package manager or `curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh`
+
+Depending on your distro, you may also need to install `libudev` (for Fedora,
+this is `sudo dnf install libudev-devel`).
+
+#### TL;DR
+
+```bash
+# Set up and compile
+scons
+
+# Compile eoltest
+(cd "eoltest" && cargo build)
+
+# Flash board with tester firmware
+scons fw --pioflags="run -e tester -t upload"
+
+# Connect all required connections then run tester
+(cd "eoltest" && cargo run -- --tester-port /dev/ttyACM0 --serial-number 9)
+```
+