Merge pull request #7 from openwsn-berkeley/develop

REL-0.1

README.md

@@ -2,12 +2,34 @@
 
 Load this firmware onto an nRF52840-DK to turn it into a programmer for SCuM!
 
-## SCuM?!?
+The Single Chip micro-Mote (SCuM) is a 2x3mm2 single-chip standard-compatible Smart Dust chip, see https://www.crystalfree.org/
 
-The Single Chip micro-Mote, the 2x3mm2 single-chip standard-compatible Smart Dust chip, see https://www.crystalfree.org/
+## Use
 
-## Programmer?!?
+### program the nRF52840-DK
 
-- load code onto SCuM [coming soon!]
-- interact with SCuM's serial port  [coming soon!]
-- calibrate SCuM [coming soon!]
+_Note_: you only need to do this once.
+
+- download `scum-programmer.hex` from the https://github.com/openwsn-berkeley/SCuM-programmer/latest 
+- plug in your nRF52840-DK into your computer, drive "JLINK" appears
+- drag-and-drop `scum-programmer.hex` onto this drive
+- when the LEDs of the board go round-and-round, you're set!
+
+![](static/round_and_round.gif)
+
+### interact with SCuM's serial port
+
+_Coming soon!_
+
+### load code onto SCuM
+
+_Coming soon!_
+
+### calibrate SCuM
+
+_Coming soon!_
+
+# Build
+
+- install SEGGER Embedded Studio for ARM (Nordic Edition)
+- open `scum-programmer/scum-programmer.emProject`