From b1c882a26b171352a5ee653c4889f41731d41ba7 Mon Sep 17 00:00:00 2001
From: Scott Shawcroft <scott@tannewt.org>
Date: Tue, 11 Dec 2018 11:51:07 -0800
Subject: [PATCH] Default nrf boards to UF2

---
 tools/build_board_info.py | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/tools/build_board_info.py b/tools/build_board_info.py
index eb9f28d901895..379cf55c4d51b 100644
--- a/tools/build_board_info.py
+++ b/tools/build_board_info.py
@@ -21,24 +21,29 @@
 
 # Default extensions
 extension_by_port = {
-    "nrf": BIN,
+    "nrf": UF2,
     "esp8266": BIN,
     "atmel-samd": UF2,
 }
 
 # Per board overrides
 extension_by_board = {
-    "feather_nrf52832": BIN,
+    # samd
     "arduino_mkr1300": BIN,
     "arduino_zero": BIN,
     "feather_m0_adalogger": BIN_UF2,
     "feather_m0_basic": BIN_UF2,
     "feather_m0_rfm69": BIN,
     "feather_m0_rfm9x": BIN,
+
+    # nrf52832
+    "feather_nrf52832": BIN,
+    "pca10040": BIN,
+
+    # nRF52840 dev kits that may not have UF2 bootloaders,
     "makerdiary_nrf52840_mdk": HEX,
-    "particle_argon": UF2,
-    "particle_boron": UF2,
-    "particle_xenon": UF2
+    "pca10056": BIN_UF2,
+    "pca10059": BIN_UF2
 }
 
 def get_languages():