xDrip-Pebble-E

My Pebble xDrip watchface:

• Simple layout with time of day, blood glucose, big glucose graph, and not much else
• Only tested on the 2025 Pebble 2 Duo, but should be easy to adapt to other Pebbles (PRs welcome!)
• For offline use, just CGM->phone->watch, no internet connectivity.
• Based on the "Pebble Classic Trend Watchface" bundled in xDrip (see below)

Installation

• Install xDrip
  • At least 2025.12.07 to make it run
  • Or my fork for full compatibility (big graph, and graph tweaks)
• Enable Pebble integration in xDrip
• Select "Pebble Classic Trend Watchface", say no to the install prompt
• Enable:
  • Display Trend
  • Display Low Line
  • Display High Line
  • Display Slope Arrows
• Build and install the watchface
  • Turn on "Use LAN developer connection" in Pebble app settings
  • Turn on "Dev Connection" in the Pebble app settings for your watch
  • pebble build
  • pebble install --phone IP

Emulator

Testing layout changes is much faster with the emulator:

pebble build
pebble install --emulator diorite

Seems platform flint (new Pebble 2 Duo) isn't supported by the emulator yet but diorite (older Pebble 2) is pretty much the same.

Repo landscape

There are several xDrip Pebble watchface repos that build on each other:

Repo	Description	Last Updated
nightscout/cgm-pebble	Original watchface, fetches CGM data from Nightscout web servers	November 2015
ktind/cgm-pebble-offline	Offline version of nightscout/cgm-pebble	December 2014
jstevensog/xDrip-pebble	Offline xDrip watchface, based on nightscout/cgm-pebble v6.0 and ktind/cgm-pebble-offline	September 2015
jstevensog/xDrip-Pebble-E	Experimental variant (hence "-E") with glucose graph support, sent as PNG from xDrip	October 2017 (branch new: December 2018)
jamorham/xDrip-Pebble-E	Fork of jstevensog/xDrip-Pebble-E with improved hardware support (Pebble 2, Round) and stability fixes	November 2017
mortenfyhn/xDrip-Pebble-E	This fork, modified for Pebble 2 Duo (flint platform) compatibility with Rebble firmware	-

xDrip's bundled watchfaces

Watchface name	Description	Bundled binary (in xDrip)	Source
Standard Watchface (old)	Basic glucose display, no graph	xdrip_pebble.bin	jstevensog/xDrip-pebble
Color Trend Watchface	Color display with graph	xdrip_pebble_classic_trend.bin	jamorham/xDrip-Pebble-E
Pebble Classic Trend Watchface	B&W display with graph	xdrip_pebble_classic_trend.bin	jamorham/xDrip-Pebble-E
Pebble Trend Clay Version (test)	Graph display with Clay† support	xdrip_pebble2.bin	jstevensog/xDrip-Pebble-E

† Clay

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Please correct me if I've made any mistakes.