From 1623bc6a0cb0fe92767000752468617a0c7334d5 Mon Sep 17 00:00:00 2001
From: akhilpanayam <akhil.p@atmel.com>
Date: Wed, 16 Sep 2015 18:17:21 +0530
Subject: [PATCH] * Basic changes to add SAML21J18A Target.

---
 .../export/gcc_arm_saml21j18a.tmpl            | 72 +++++++++++++++++++
 workspace_tools/export/gccarm.py              |  1 +
 workspace_tools/targets.py                    | 10 +++
 3 files changed, 83 insertions(+)
 create mode 100644 workspace_tools/export/gcc_arm_saml21j18a.tmpl

diff --git a/workspace_tools/export/gcc_arm_saml21j18a.tmpl b/workspace_tools/export/gcc_arm_saml21j18a.tmpl
new file mode 100644
index 0000000000..09f43e63f0
--- /dev/null
+++ b/workspace_tools/export/gcc_arm_saml21j18a.tmpl
@@ -0,0 +1,72 @@
+# This file was automagically generated by mbed.org. For more information,
+# see http://mbed.org/handbook/Exporting-to-GCC-ARM-Embedded
+
+GCC_BIN =
+PROJECT = {{name}}
+OBJECTS = {% for f in to_be_compiled %}{{f}} {% endfor %}
+SYS_OBJECTS = {% for f in object_files %}{{f}} {% endfor %}
+INCLUDE_PATHS = {% for p in include_paths %}-I{{p}} {% endfor %}
+LIBRARY_PATHS = {% for p in library_paths %}-L{{p}} {% endfor %}
+LIBRARIES = {% for lib in libraries %}-l{{lib}} {% endfor %}
+LINKER_SCRIPT = {{linker_script}}
+
+###############################################################################
+AS      = $(GCC_BIN)arm-none-eabi-as
+CC      = $(GCC_BIN)arm-none-eabi-gcc
+CPP     = $(GCC_BIN)arm-none-eabi-g++
+LD      = $(GCC_BIN)arm-none-eabi-gcc
+OBJCOPY = $(GCC_BIN)arm-none-eabi-objcopy
+OBJDUMP = $(GCC_BIN)arm-none-eabi-objdump
+SIZE 	= $(GCC_BIN)arm-none-eabi-size
+
+CPU = -mcpu=cortex-m0plus -mthumb
+CC_FLAGS = $(CPU) -c -g -fno-common -fmessage-length=0 -Wall -fno-exceptions -ffunction-sections -fdata-sections -fomit-frame-pointer
+CC_FLAGS += -MMD -MP
+CC_SYMBOLS = {% for s in symbols %}-D{{s}} {% endfor %}
+
+LD_FLAGS = $(CPU) -Wl,--gc-sections --specs=nano.specs -u _printf_float -u _scanf_float -Wl,--wrap,main
+LD_FLAGS += -Wl,-Map=$(PROJECT).map,--cref
+LD_SYS_LIBS = -lstdc++ -lsupc++ -lm -lc -lgcc -lnosys
+
+ifeq ($(DEBUG), 1)
+  CC_FLAGS += -DDEBUG -O0
+else
+  CC_FLAGS += -DNDEBUG -Os
+endif
+
+all: $(PROJECT).bin $(PROJECT).hex 
+
+clean:
+	rm -f $(PROJECT).bin $(PROJECT).elf $(PROJECT).hex $(PROJECT).map $(PROJECT).lst $(OBJECTS) $(DEPS)
+
+.s.o:
+	$(AS) $(CPU) -o $@ $<
+
+.c.o:
+	$(CC)  $(CC_FLAGS) $(CC_SYMBOLS) -std=gnu99   $(INCLUDE_PATHS) -o $@ $<
+
+.cpp.o:
+	$(CPP) $(CC_FLAGS) $(CC_SYMBOLS) -std=gnu++98 -fno-rtti $(INCLUDE_PATHS) -o $@ $<
+
+
+$(PROJECT).elf: $(OBJECTS) $(SYS_OBJECTS)
+	$(LD) $(LD_FLAGS) -T$(LINKER_SCRIPT) $(LIBRARY_PATHS) -o $@ $^ $(LIBRARIES) $(LD_SYS_LIBS) $(LIBRARIES) $(LD_SYS_LIBS)
+	$(SIZE) $@
+
+$(PROJECT).bin: $(PROJECT).elf
+	@$(OBJCOPY) -O binary $< $@
+
+$(PROJECT).hex: $(PROJECT).elf
+	@$(OBJCOPY) -O ihex $< $@
+
+$(PROJECT).lst: $(PROJECT).elf
+	@$(OBJDUMP) -Sdh $< > $@
+
+lst: $(PROJECT).lst
+
+size:
+	$(SIZE) $(PROJECT).elf
+
+DEPS = $(OBJECTS:.o=.d) $(SYS_OBJECTS:.o=.d)
+-include $(DEPS)
+
diff --git a/workspace_tools/export/gccarm.py b/workspace_tools/export/gccarm.py
index fd21344c84..529722ca43 100755
--- a/workspace_tools/export/gccarm.py
+++ b/workspace_tools/export/gccarm.py
@@ -106,6 +106,7 @@ class GccArm(Exporter):
         'TEENSY3_1',
         'SAMD21J18A',
         'SAMD21G18A',
+        'SAML21J18A',
     ]
 
     DOT_IN_RELATIVE_PATH = True
diff --git a/workspace_tools/targets.py b/workspace_tools/targets.py
index 6b631fb07c..6d3879d85e 100755
--- a/workspace_tools/targets.py
+++ b/workspace_tools/targets.py
@@ -1653,6 +1653,15 @@ class SAMD21G18A(Target):
         self.supported_toolchains = ["GCC_ARM", "ARM", "uARM"]
         self.default_toolchain = "ARM"
 
+class SAML21J18A(Target):
+    def __init__(self):
+        Target.__init__(self)
+        self.core = "Cortex-M0+"
+        self.extra_labels = ['Atmel', 'SAM_CortexM0+', 'SAML21']
+        self.macros = ['__SAML21J18A__', 'I2C_MASTER_CALLBACK_MODE=true', 'EXTINT_CALLBACK_MODE=true', 'USART_CALLBACK_MODE=true', 'TC_ASYNC=true']
+        self.supported_toolchains = ["GCC_ARM"]
+        self.default_toolchain = "GCC_ARM"
+
 
 # Get a single instance for each target
 TARGETS = [
@@ -1821,6 +1830,7 @@ TARGETS = [
     SAMR21G18A(),
     SAMD21J18A(),
     SAMD21G18A(),
+    SAML21J18A(),
 ]
 
 # Map each target name to its unique instance