Add a Makefile for the Atreus sketch

Signed-off-by: Jesse Vincent <jesse@keyboard.io>

examples/Atreus/Makefile

@@ -0,0 +1,55 @@
+# This stub makefile for a Kaleidoscope example pulls in all the targets
+# required to build the example
+
+UNAME_S := $(shell uname -s)
+
+ifeq ($(UNAME_S),Darwin)
+SKETCHBOOK_DIR ?= $(HOME)/Documents/Arduino
+PACKAGE_DIR ?= $(HOME)/Library/Arduino15
+else
+SKETCHBOOK_DIR ?= $(HOME)/Arduino
+PACKAGE_DIR ?= $(HOME)/.arduino15
+endif
+
+
+ARDUINO_INSTALLED_ENV=$(shell ls -dt $(PACKAGE_DIR)/packages/keyboardio/hardware/avr 2>/dev/null |head -n 1)
+MANUALLY_INSTALLED_ENV=$(shell ls -dt $(SKETCHBOOK_DIR)/hardware/keyboardio/avr 2>/dev/null |head -n 1)
+
+
+
+ifneq ("$(wildcard $(ARDUINO_INSTALLED_ENV)/boards.txt)","")
+
+ifneq ("$(wildcard $(MANUALLY_INSTALLED_ENV)/boards.txt)","")
+
+$(info ***************************************************************************)
+$(info It appears that you have installed two copies of Kaleidoscope. One copy was)
+$(info installed using Arduino's "Board Manager", while the other was installed by)
+$(info hand, probably using "git".)
+$(info )
+$(info This will likely cause some trouble as you try to build keyboard firmware)
+$(info using Kaleidoscope. You may want to remove either: )
+$(info )
+$(info $(PACKAGE_DIR)/packages/keyboardio/ which was installed using Arduino)
+$(info )
+$(info or)
+$(info )
+$(info $(SKETCHBOOK_DIR)/hardware/keyboardio/ which was installed by hand.)
+$(info )
+$(info ***************************************************************************)
+$(info )
+	
+endif
+
+BOARD_HARDWARE_PATH = $(ARDUINO_INSTALLED_ENV)
+KALEIDOSCOPE_PLUGIN_MAKEFILE_DIR ?= build-tools/makefiles/
+KALEIDOSCOPE_BUILDER_DIR ?= $(ARDUINO_INSTALLED_ENV)/libraries/Kaleidoscope/bin/
+
+
+
+endif
+
+
+BOARD_HARDWARE_PATH ?= $(SKETCHBOOK_DIR)/hardware
+KALEIDOSCOPE_PLUGIN_MAKEFILE_DIR ?= keyboardio/avr/build-tools/makefiles/
+
+include $(BOARD_HARDWARE_PATH)/$(KALEIDOSCOPE_PLUGIN_MAKEFILE_DIR)/rules.mk