Initial commit with supported platforms: Atmel AVR, TI MSP430 and TI C Series MCU

2014-05-18 23:38:59 +03:00
parent 6e2cf47303
commit 5bee43540c
16 changed files with 877 additions and 1 deletions
@@ -0,0 +1,137 @@
+# Copyright (C) Ivan Kravets <me@ikravets.com>
+# See LICENSE for details.
+
+"""
+    Builder for Texas Instruments
+    MSP430 Ultra-Low Power 16-bit microcontrollers
+
+    Fully compatible with Energia programming language (based on Wiring).
+"""
+
+from os.path import join
+
+from SCons.Script import AlwaysBuild, Builder, Default, DefaultEnvironment
+
+#
+# SETUP ENVIRONMENT
+#
+
+env = DefaultEnvironment()
+
+BOARD_OPTIONS = env.ParseBoardOptions(join("$PLATFORM_DIR", "boards.txt"),
+                                      "${BOARD}")
+env.Replace(
+    # See https://github.com/energia/Energia/blob/master/app/src/
+    # processing/app/Base.java#L45
+    ARDUINO_VERSION="101",
+    ENERGIA_VERSION="12",
+
+    BOARD_MCU=BOARD_OPTIONS['build.mcu'],
+    BOARD_F_CPU=BOARD_OPTIONS['build.f_cpu'],
+
+    AR="msp430-ar",
+    AS="msp430-as",
+    CC="msp430-gcc",
+    CXX="msp430-g++",
+    OBJCOPY="msp430-objcopy",
+    RANLIB="msp430-ranlib",
+
+    ARFLAGS=["rcs"],
+
+    ASFLAGS=[
+        "-g",  # include debugging info (so errors include line numbers)
+        "-assembler-with-cpp",
+        "-mmcu=$BOARD_MCU",
+        "-DF_CPU=$BOARD_F_CPU",
+        "-DARDUINO=$ARDUINO_VERSION",
+        "-DENERGIA=$ENERGIA_VERSION"
+    ],
+    CCFLAGS=[
+        "-g",  # include debugging info (so errors include line numbers)
+        "-Os",  # optimize for size
+        "-Wall",  # show warnings
+        "-ffunction-sections",  # place each function in its own section
+        "-fdata-sections",
+        "-mmcu=$BOARD_MCU",
+        "-DF_CPU=$BOARD_F_CPU",
+        "-MMD",  # output dependancy info
+        "-DARDUINO=$ARDUINO_VERSION",
+        "-DENERGIA=$ENERGIA_VERSION"
+    ],
+
+    LINK="$CC",
+    LINKFLAGS=[
+        "-Os",
+        "-mmcu=$BOARD_MCU",
+        "-Wl,-gc-sections,-u,main"
+    ],
+
+    CPPPATH=[
+        "$PLATFORMCORE_DIR",
+        join("$PLATFORM_DIR", "variants", BOARD_OPTIONS['build.variant'])
+    ],
+
+    UPLOADER=(join("$PLATFORMTOOLS_DIR", "msp430", "mspdebug", "mspdebug")),
+    UPLOADERFLAGS=[
+        BOARD_OPTIONS['upload.protocol'],
+        "--force-reset"
+    ],
+    UPLOADCMD='$UPLOADER $UPLOADERFLAGS "prog $SOURCES"'
+)
+
+env.Append(
+    BUILDERS=dict(
+        ElfToHex=Builder(
+            action=" ".join([
+                "$OBJCOPY",
+                "-O",
+                "ihex",
+                "-R",
+                ".eeprom",
+                "$SOURCES",
+                "$TARGET"]),
+            suffix=".hex"
+        )
+    )
+)
+
+env.PrependENVPath(
+    "PATH",
+    join(env.subst("$PLATFORMTOOLS_DIR"), "msp430", "bin")
+)
+
+
+#
+# Target: Build Core Library
+#
+
+target_corelib = env.BuildCoreLibrary()
+
+
+#
+# Target: Build executable and linkable firmware
+#
+
+target_elf = env.BuildFirmware([target_corelib, "m"])
+
+
+#
+# Target: Build the .hex
+#
+
+target_hex = env.ElfToHex(join("$BUILD_DIR", "firmware"), target_elf)
+
+
+#
+# Target: Upload firmware
+#
+
+upload = env.Alias("upload", target_hex, ["$UPLOADCMD"])
+AlwaysBuild(upload)
+
+
+#
+# Target: Define targets
+#
+
+Default([target_corelib, target_elf, target_hex])