Add new pio config for CI

examples/knx-usb/platformio-ci.ini

@@ -0,0 +1,37 @@
+;PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+[platformio]
+libdeps_dir = /tmp/libdeps
+
+[env:adafruit_feather_m0]
+platform = atmelsam
+board = adafruit_feather_m0
+framework = arduino
+lib_extra_dirs = ../../../
+
+; VID must be changed to some known KNX Manufacturer 
+; so that the KNX USB interface gets recognized by ETS
+extra_scripts = pre:custom_hwids.py
+board_build.usb_product="KNX RF - USB Interface"
+
+lib_deps =
+  SPI
+  Adafruit TinyUSB Library
+  https://github.com/thelsing/FlashStorage.git
+  knx
+
+build_flags =
+  -DMEDIUM_TYPE=2
+  -DUSE_CEMI_SERVER
+  -DUSE_TINYUSB
+  -Wno-unknown-pragmas
+
+debug_tool = jlink
+#upload_protocol = jlink