platformio support for Archim using a custom variant.

buildroot/share/PlatformIO/boards/archim.json

@@ -0,0 +1,59 @@
+{
+  "build": {
+    "core": "sam",
+    "cpu": "cortex-m3",
+    "extra_flags": "-D__SAM3X8E__ -DARDUINO_ARCH_SAM -DARDUINO_SAM_DUE",
+    "f_cpu": "84000000L",
+    "hwids": [
+      [
+        "0x27B1",
+        "0x0001"
+      ],
+      [
+        "0x2341",
+        "0x003E"
+      ],
+      [
+        "0x2341",
+        "0x003D"
+      ]
+    ],
+    "ldscript": "flash.ld",
+    "mcu": "at91sam3x8e",
+    "usb_product": "Archim",
+    "variant": "archim"
+  },
+  "connectivity": [
+    "can"
+  ],
+  "debug": {
+    "jlink_device": "ATSAM3X8E",
+    "openocd_chipname": "at91sam3X8E",
+    "openocd_target": "at91sam3XXX",
+    "svd_path": "ATSAM3X8E.svd"
+  },
+  "frameworks": [
+    "arduino",
+    "simba"
+  ],
+  "name": "Archim",
+  "upload": {
+    "disable_flushing": true,
+    "maximum_ram_size": 98304,
+    "maximum_size": 524288,
+    "native_usb": true,
+    "protocol": "sam-ba",
+    "protocols": [
+      "sam-ba",
+      "jlink",
+      "blackmagic",
+      "atmel-ice",
+      "stlink"
+    ],
+    "require_upload_port": true,
+    "use_1200bps_touch": true,
+    "wait_for_upload_port": true
+  },
+  "url": "https://ultimachine.com",
+  "vendor": "UltiMachine"
+}

buildroot/share/PlatformIO/variants/archim/.gitignore

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+# Exception for libsam
+!libsam_sam3x8e_gcc_rel.a

buildroot/share/PlatformIO/variants/archim/build_gcc/Makefile

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+#
+#  Copyright (c) 2011 Arduino.  All right reserved.
+#
+#  This library is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU Lesser General Public
+#  License as published by the Free Software Foundation; either
+#  version 2.1 of the License, or (at your option) any later version.
+#
+#  This library is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+#  See the GNU Lesser General Public License for more details.
+#
+#  You should have received a copy of the GNU Lesser General Public
+#  License along with this library; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#
+
+SUBMAKE_OPTIONS=--no-builtin-rules --no-builtin-variables --no-print-directory
+
+#-------------------------------------------------------------------------------
+# Rules
+#-------------------------------------------------------------------------------
+
+all: arduino_due_x
+
+.PHONY: arduino_due_x
+arduino_due_x:
+	@echo ------------------------------------------------------------------------------------
+	@echo --- Making variant arduino_due_x
+	@$(MAKE) DEBUG=1 $(SUBMAKE_OPTIONS) -f libvariant_arduino_due_x.mk
+#	@$(MAKE) $(SUBMAKE_OPTIONS) -f libvariant_arduino_due_x.mk
+	@echo ------------------------------------------------------------------------------------
+
+.PHONY: clean
+clean:
+	@echo ------------------------------------------------------------------------------------
+	@echo --- Cleaning variant arduino_due_x
+	@$(MAKE) DEBUG=1 $(SUBMAKE_OPTIONS) -f libvariant_arduino_due_x.mk $@
+#	@$(MAKE) $(SUBMAKE_OPTIONS) -f libvariant_arduino_due_x.mk $@
+	@echo ------------------------------------------------------------------------------------
+

buildroot/share/PlatformIO/variants/archim/build_gcc/debug.mk

@@ -0,0 +1,25 @@
+#
+#  Copyright (c) 2011 Arduino.  All right reserved.
+#
+#  This library is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU Lesser General Public
+#  License as published by the Free Software Foundation; either
+#  version 2.1 of the License, or (at your option) any later version.
+#
+#  This library is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
+#  See the GNU Lesser General Public License for more details.
+#
+#  You should have received a copy of the GNU Lesser General Public
+#  License along with this library; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#
+
+# Optimization level
+# -O1 Optimize
+# -O2 Optimize even more
+# -O3 Optimize yet more
+# -O0 Reduce compilation time and make debugging produce the expected results
+# -Os Optimize for size
+OPTIMIZATION = -g -O0 -DDEBUG

buildroot/share/PlatformIO/variants/archim/build_gcc/gcc.mk

@@ -0,0 +1,82 @@
+#
+#  Copyright (c) 2011 Arduino.  All right reserved.
+#
+#  This library is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU Lesser General Public
+#  License as published by the Free Software Foundation; either
+#  version 2.1 of the License, or (at your option) any later version.
+#
+#  This library is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+#  See the GNU Lesser General Public License for more details.
+#
+#  You should have received a copy of the GNU Lesser General Public
+#  License along with this library; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#
+
+# Tool suffix when cross-compiling
+CROSS_COMPILE = $(ARM_GCC_TOOLCHAIN)/arm-none-eabi-
+
+# Compilation tools
+AR = $(CROSS_COMPILE)ar
+CC = $(CROSS_COMPILE)gcc
+CXX = $(CROSS_COMPILE)g++
+AS = $(CROSS_COMPILE)as
+NM = $(CROSS_COMPILE)nm
+ifeq ($(OS),Windows_NT)
+RM=cs-rm -Rf
+else
+RM=rm -Rf
+endif
+
+SEP=\\
+
+# ---------------------------------------------------------------------------------------
+# C Flags
+
+CFLAGS += -Wall -Wchar-subscripts -Wcomment -Wformat=2 -Wimplicit-int
+CFLAGS += -Werror-implicit-function-declaration -Wmain -Wparentheses
+CFLAGS += -Wsequence-point -Wreturn-type -Wswitch -Wtrigraphs -Wunused
+CFLAGS += -Wuninitialized -Wunknown-pragmas -Wfloat-equal -Wundef
+CFLAGS += -Wshadow -Wpointer-arith -Wbad-function-cast -Wwrite-strings
+CFLAGS += -Wsign-compare -Waggregate-return -Wstrict-prototypes
+CFLAGS += -Wmissing-prototypes -Wmissing-declarations
+CFLAGS += -Wformat -Wmissing-format-attribute -Wno-deprecated-declarations
+CFLAGS += -Wpacked -Wredundant-decls -Wnested-externs -Winline -Wlong-long
+CFLAGS += -Wunreachable-code
+CFLAGS += -Wcast-align
+#CFLAGS += -Wmissing-noreturn
+#CFLAGS += -Wconversion
+
+CFLAGS += --param max-inline-insns-single=500 -mcpu=cortex-m3 -mthumb -mlong-calls -ffunction-sections -fdata-sections -nostdlib -std=c99
+CFLAGS += $(OPTIMIZATION) $(INCLUDES) -D$(CHIP) -D$(VARIANT)
+
+# To reduce application size use only integer printf function.
+CFLAGS += -Dprintf=iprintf
+
+# ---------------------------------------------------------------------------------------
+# CPP Flags
+
+CPPFLAGS += -Wall -Wchar-subscripts -Wcomment -Wformat=2
+CPPFLAGS += -Wmain -Wparentheses -Wcast-align -Wunreachable-code
+CPPFLAGS += -Wsequence-point -Wreturn-type -Wswitch -Wtrigraphs -Wunused
+CPPFLAGS += -Wuninitialized -Wunknown-pragmas -Wfloat-equal -Wundef
+CPPFLAGS += -Wshadow -Wpointer-arith -Wwrite-strings
+CPPFLAGS += -Wsign-compare -Waggregate-return -Wmissing-declarations
+CPPFLAGS += -Wformat -Wmissing-format-attribute -Wno-deprecated-declarations
+CPPFLAGS += -Wpacked -Wredundant-decls -Winline -Wlong-long
+#CPPFLAGS += -Wmissing-noreturn
+#CPPFLAGS += -Wconversion
+
+CPPFLAGS += --param max-inline-insns-single=500 -mcpu=cortex-m3 -mthumb -mlong-calls -ffunction-sections -fdata-sections -fno-rtti -fno-exceptions -std=c++98
+CPPFLAGS += $(OPTIMIZATION) $(INCLUDES) -D$(CHIP)
+
+# To reduce application size use only integer printf function.
+CPPFLAGS += -Dprintf=iprintf
+
+# ---------------------------------------------------------------------------------------
+# ASM Flags
+
+ASFLAGS = -mcpu=cortex-m3 -mthumb -Wall -g $(OPTIMIZATION) $(INCLUDES)