[ext] Add modm:cmsis:device module for SAM devices

ext/microchip/device.hpp.in

@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2019 Niklas Hauser
+ *
+ * This file is part of the modm project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+// ----------------------------------------------------------------------------
+
+#ifndef MODM_DEVICE_HPP
+#define MODM_DEVICE_HPP
+
+#define DONT_USE_CMSIS_INIT 1
+%% for define in defines
+#define {{ define }} 1
+%% endfor
+
+#include <stdint.h>
+// Defines for example the modm_always_inline macro
+#include <modm/architecture/utils.hpp>
+
+// Include external device headers:
+%% for header in headers
+#include <{{ header }}>
+%% endfor
+
+#endif  // MODM_DEVICE_HPP

ext/microchip/module.lb

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+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (c) 2019, Niklas Hauser
+#
+# This file is part of the modm project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+# -----------------------------------------------------------------------------
+
+import re
+from pathlib import Path
+
+# -----------------------------------------------------------------------------
+def init(module):
+    module.parent = "cmsis"
+    module.name = "device"
+
+def prepare(module, options):
+    device = options[":target"]
+    if device.identifier["platform"] != "sam":
+        return False
+
+    module.depends(":cmsis:core")
+    return True
+
+pp = {}
+def validate(env):
+    device = env[":target"]
+
+    define = "__{}__".format(device.identifier.string.upper())
+    family_file = None
+    for famfile in Path(localpath("sam")).glob("**/sam.h"):
+        content = famfile.read_text(encoding="utf-8", errors="replace")
+        match = re.findall(r"defined\((?P<define>__SAM.*?__)\)", content)
+        if match is not None and define in match:
+            family_file = famfile.relative_to(localpath("."))
+
+    if family_file is None:
+        raise ValidateException("No device define found for '{}'!".format(device.partname))
+
+    family_folder = family_file.parent
+    device_header = "{}.h".format(device.identifier.string)
+
+    global pp
+    pp = {
+        "define": define,
+        "folder": family_folder,
+        "device_header": device_header,
+    }
+
+def build(env):
+    global pp
+    env.collect(":build:path.include", "modm/ext/cmsis/device")
+
+    env.outbasepath = "modm/ext/cmsis/device"
+    files = ["sam.h", "component-version.h", "pio", "instance", "component", pp["device_header"]]
+    for file in files:
+        env.copy(localpath(pp["folder"], file), file)
+
+    env.substitutions = {
+        "headers": [pp["device_header"]],
+        "defines": [pp["define"]],
+    }
+    env.outbasepath = "modm/src/modm/platform"
+    env.template("device.hpp.in")