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

platformio/builder/tools/__init__.py

@@ -0,0 +1,2 @@
+# Copyright (C) Ivan Kravets <me@ikravets.com>
+# See LICENSE for details.

platformio/builder/tools/platformio.py

@@ -0,0 +1,98 @@
+# Copyright (C) Ivan Kravets <me@ikravets.com>
+# See LICENSE for details.
+
+from os import walk
+from os.path import isfile, join
+from time import sleep
+
+from serial import Serial
+
+
+def BuildCoreLibrary(env):
+    corelib = env.Clone()
+    vdirs = corelib.VariantDirRecursive("$BUILDCORE_DIR", "$PLATFORMCORE_DIR")
+    return corelib.Library(
+        corelib.subst("$BUILDCORE_DIR"),
+        [corelib.GlobCXXFiles(vdir) for vdir in vdirs]
+    )
+
+
+def BuildFirmware(env, liblist):
+    src = env.Clone()
+    vdirs = src.VariantDirRecursive("$BUILDSRC_DIR",
+                                    join("$PROJECT_DIR", "src"))
+    return src.Program(
+        join("$BUILD_DIR", "firmware"),
+        [src.GlobCXXFiles(vdir) for vdir in vdirs],
+        LIBS=liblist,
+        LIBPATH="$BUILD_DIR",
+        PROGSUFFIX=".elf")
+
+
+def GlobCXXFiles(env, path):
+    files = []
+    for suff in ["*.c", "*.cpp", "*.S"]:
+        _list = env.Glob(join(path, suff))
+        if _list:
+            files += _list
+    return files
+
+
+def VariantDirRecursive(env, variant_dir, src_dir, duplicate=True):
+    # add root dir by default
+    variants = [variant_dir]
+    env.VariantDir(variant_dir, src_dir, duplicate)
+    for root, dirnames, filenames in walk(env.subst(src_dir)):
+        if not dirnames:
+            continue
+        for dn in dirnames:
+            env.VariantDir(join(variant_dir, dn), join(root, dn), duplicate)
+            variants.append(join(variant_dir, dn))
+    return variants
+
+
+def ParseBoardOptions(env, path, name):
+    path = env.subst(path)
+    name = env.subst(name)
+    if not isfile(path):
+        env.Exit("Invalid path to boards.txt -> %s" % path)
+
+    data = {}
+    _namelen = len(name) + 1
+    with open(path) as f:
+        for line in f:
+            if line[0:_namelen] != name + ".":
+                continue
+            line = line[_namelen:].strip()
+            opt, value = line.split("=", 1)
+            data[opt] = value
+    if not data:
+        env.Exit("Unknown Board '%s'" % name)
+    else:
+        return data
+
+
+def ResetDevice(env):
+    """ Pulse the DTR line and flush serial buffer """
+    s = Serial(env.subst("$UPLOAD_PORT"))
+    s.flushInput()
+    s.setDTR(False)
+    s.setRTS(False)
+    sleep(0.1)
+    s.setDTR(True)
+    s.setRTS(True)
+    s.close()
+
+
+def exists(env):
+    return True
+
+
+def generate(env):
+    env.AddMethod(BuildCoreLibrary)
+    env.AddMethod(BuildFirmware)
+    env.AddMethod(GlobCXXFiles)
+    env.AddMethod(VariantDirRecursive)
+    env.AddMethod(ParseBoardOptions)
+    env.AddMethod(ResetDevice)
+    return env