Turn on build saving and uf2 creation.

.gitmodules

@@ -14,3 +14,6 @@
 [submodule "freetouch2"]
 	path = atmel-samd/freetouch
 	url = https://github.com/adafruit/Adafruit_FreeTouch.git
+[submodule "tools/uf2"]
+	path = tools/uf2
+	url = https://github.com/Microsoft/uf2.git

.travis.yml

@@ -7,6 +7,12 @@ cache:
   directories:
     - "${HOME}/persist"
 
+addons:
+  artifacts:
+    debug: true
+    paths:
+    - $(ls bin/* | tr "\n" ":")
+
 notifications:
   webhooks:
     urls:
@@ -32,13 +38,7 @@ before_script:
 script:
   # Build mpy-cross first because other builds depend on it.
   - make -C mpy-cross
-  - make -C atmel-samd BOARD=arduino_zero
-  - make -C atmel-samd BOARD=feather_m0_basic
-  - make -C atmel-samd BOARD=feather_m0_express
-  - make -C atmel-samd BOARD=metro_m0_flash
-  - make -C atmel-samd BOARD=circuitplayground_express
-  - make -C atmel-samd BOARD=trinket_m0
-  - make -C atmel-samd BOARD=gemma_m0
+  - tools/build_adafruit_bins.h
   - make -C minimal CROSS=1 build/firmware.bin
   - ls -l minimal/build/firmware.bin
   - tools/check_code_size.sh

tools/build_adafruit_bins.sh

@@ -5,15 +5,25 @@ ATMEL_BOARDS="arduino_zero circuitplayground_express feather_m0_basic feather_m0
 
 for board in $ATMEL_BOARDS; do
     make -C atmel-samd BOARD=$board
+    (( exit_status = exit_status || $? ))
 done
 make -C esp8266 BOARD=feather_huzzah
+(( exit_status = exit_status || $? ))
 
 version=`git describe --tags --exact-match`
 if [ $? -ne 0 ]; then
-    version=`git rev-parse --short HEAD`
+    version=`date +%Y%m%d`-`git rev-parse --short HEAD`
 fi
 
 for board in $ATMEL_BOARDS; do
-    cp atmel-samd/build-$board/firmware.bin bin/adafruit-circuitpython-$board-$version.bin
+    mkdir -p bin/$board/
+    cp atmel-samd/build-$board/firmware.bin bin/$board/adafruit-circuitpython-$board-$version.bin
+    (( exit_status = exit_status || $? ))
+    python2 tools/uf2/utils/uf2conv.py -c -o bin/$board/adafruit-circuitpython-$board-$version.uf2 bin/$board/adafruit-circuitpython-$board-$version.bin
+    (( exit_status = exit_status || $? ))
 done
-cp esp8266/build/firmware-combined.bin bin/adafruit-circuitpython-feather_huzzah-$version.bin
+mkdir -p bin/esp8266/
+cp esp8266/build/firmware-combined.bin bin/esp8266/adafruit-circuitpython-feather_huzzah-$version.bin
+(( exit_status = exit_status || $? ))
+
+exit $exit_status

tools/uf2

@@ -0,0 +1 @@
+Subproject commit 449f26673855736dbc0fc3f18d72403f25f62974