From e42d91ed4f0184347b03954b7ff8290b1bada9de Mon Sep 17 00:00:00 2001
From: stepcut <jeremy@n-heptane.com>
Date: Mon, 13 Oct 2014 19:48:07 -0500
Subject: [PATCH] support for Teensy 3.x via Teensy.mk

---
 Teensy.mk | 136 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 136 insertions(+)
 create mode 100644 Teensy.mk

diff --git a/Teensy.mk b/Teensy.mk
new file mode 100644
index 0000000..9c3c41a
--- /dev/null
+++ b/Teensy.mk
@@ -0,0 +1,136 @@
+########################################################################
+#
+# To use you will need to uncomment these lines in,
+#  $(ARDUINO_DIR)/hardware/$(VENDOR)/boards.txt
+#
+# teensy31.build.option6=-DUSB_SERIAL
+# teensy31.build.option7=-DLAYOUT_US_ENGLISH
+#
+
+VENDOR              = teensy
+ARDUINO_CORE_PATH   = $(ARDUINO_DIR)/hardware/teensy/cores/teensy3
+BOARDS_TXT          = $(ARDUINO_DIR)/hardware/$(VENDOR)/boards.txt
+
+ifndef F_CPU
+    F_CPU=72000000
+endif
+
+ifndef PARSE_TEENSY
+    # result = $(call READ_BOARD_TXT, 'boardname', 'parameter')
+    PARSE_TEENSY = $(shell grep -v "^\#" "$(BOARDS_TXT)" | grep $(1).$(2) | cut -d = -f 2,3 )
+endif
+
+ARCHITECTURE  = $(call PARSE_TEENSY,$(BOARD_TAG),build.architecture)
+AVR_TOOLS_DIR = $(call dir_if_exists,$(ARDUINO_DIR)/hardware/tools/$(ARCHITECTURE))
+
+########################################################################
+# command names
+
+ifndef CC_NAME
+    CC_NAME := $(call PARSE_TEENSY,$(BOARD_TAG),build.command.gcc)
+    ifndef CC_NAME
+        CC_NAME := avr-gcc
+    else
+        $(call show_config_variable,CC_NAME,[COMPUTED])
+    endif
+endif
+
+ifndef CXX_NAME
+    CXX_NAME := $(call PARSE_TEENSY,$(BOARD_TAG),build.command.g++)
+    ifndef CXX_NAME
+        CXX_NAME := avr-g++
+    else
+        $(call show_config_variable,CXX_NAME,[COMPUTED])
+    endif
+endif
+
+ifndef OBJCOPY_NAME
+    OBJCOPY_NAME := $(call PARSE_TEENSY,$(BOARD_TAG),build.command.objcopy)
+    ifndef OBJCOPY_NAME
+        OBJCOPY_NAME := avr-objcopy
+    else
+        $(call show_config_variable,OBJCOPY_NAME,[COMPUTED])
+    endif
+endif
+
+ifndef OBJDUMP_NAME
+    OBJDUMP_NAME := $(call PARSE_TEENSY,$(BOARD_TAG),build.command.objdump)
+    ifndef OBJDUMP_NAME
+        OBJDUMP_NAME := avr-objdump
+    else
+        $(call show_config_variable,OBJDUMP_NAME,[COMPUTED])
+    endif
+endif
+
+ifndef AR_NAME
+    AR_NAME := $(call PARSE_TEENSY,$(BOARD_TAG),build.command.ar)
+    ifndef AR_NAME
+        AR_NAME := avr-ar
+    else
+        $(call show_config_variable,AR_NAME,[COMPUTED])
+    endif
+endif
+
+ifndef SIZE_NAME
+    SIZE_NAME := $(call PARSE_TEENSY,$(BOARD_TAG),build.command.size)
+    ifndef SIZE_NAME
+        SIZE_NAME := avr-size
+    else
+        $(call show_config_variable,SIZE_NAME,[COMPUTED])
+    endif
+endif
+
+ifndef NM_NAME
+    NM_NAME := $(call PARSE_TEENSY,$(BOARD_TAG),build.command.nm)
+    ifndef NM_NAME
+        NM_NAME := avr-nm
+    else
+        $(call show_config_variable,NM_NAME,[COMPUTED])
+    endif
+endif
+
+# processor stuff
+ifndef MCU
+    MCU := $(call PARSE_TEENSY,$(BOARD_TAG),build.cpu)
+    ifndef MCU
+        MCU := $(call PARSE_TEENSY,$(BOARD_TAG),build.mcu)
+        ifndef MCU
+		    # might be a submenu
+            MCU := $(call PARSE_TEENSY,$(BOARD_TAG),menu.cpu.$(BOARD_SUB).build.mcu)
+        endif
+    else
+        MCU_FLAG_NAME=mcpu
+    endif
+endif
+
+########################################################################
+# FLAGS
+
+CPPFLAGS += -DLAYOUT_US_ENGLISH -DUSB_SERIAL
+CPPFLAGS += $(call PARSE_TEENSY,$(BOARD_TAG),build.option)
+
+CXXFLAGS += $(call PARSE_TEENSY,$(BOARD_TAG),build.cppoption)
+ifeq ("$(call PARSE_TEENSY,$(BOARD_TAG),build.gnu0x)","true")
+    CXXFLAGS_STD      += -std=gnu++0x
+endif
+
+ifeq ("$(call PARSE_TEENSY,$(BOARD_TAG),build.elide_constructors)", "true")
+    CXXFLAGS      += -felide-constructors
+endif
+
+LDFLAGS +=  $(call PARSE_TEENSY,$(BOARD_TAG),build.linkoption) $(call PARSE_TEENSY,$(BOARD_TAG),build.additionalobject)
+
+ifneq ("$(call PARSE_TEENSY,$(BOARD_TAG),build.linkscript)",)
+    LDFLAGS   += -T$(ARDUINO_CORE_PATH)/$(call PARSE_TEENSY,$(BOARD_TAG),build.linkscript)
+endif
+
+MONITOR_PORT = /bin/true
+AVRDUDE      = true
+
+RESET_CMD = nohup $(ARDUINO_DIR)/hardware/tools/teensy_post_compile -board=$(BOARD_TAG) -tools=$(abspath $(ARDUINO_DIR)/hardware/tools) -path=$(abspath $(OBJDIR)) -file=$(TARGET) > /dev/null ; $(ARDUINO_DIR)/hardware/tools/teensy_reboot ; true
+
+ifndef ARDMK_DIR
+    ARDMK_DIR := $(realpath $(dir $(realpath $(lastword $(MAKEFILE_LIST)))))
+endif
+
+include $(ARDMK_DIR)/Arduino.mk