[TOOLS] Add DTC (Devicetree Compiler) tools

Signed-off-by: GuEe-GUI <[email protected]>

1 files changed, 52 insertions, 0 deletions

diff --git a/tools/dtc.py b/tools/dtc.py
new file mode 100644
index 0000000000..67d7d04f61
--- /dev/null
+++ b/tools/dtc.py
@@ -0,0 +1,52 @@
+#
+# Copyright (c) 2006-2023, RT-Thread Development Team
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# Change Logs:
+# Date           Author       Notes
+# 2023-05-10     GuEe-GUI     the first version
+#
+
+import os, re
+
+from building import *
+
+__dtc_install_tip = """
+You should install dtc (devicetree compiler) in your system:
+    Linux:
+        Debian/Ubuntu: apt-get install device-tree-compiler
+        Arch/Manjaro: pacman -Sy dtc
+
+    MacOS:
+        brew install dtc
+
+    Windows (MinGW):
+        msys2: pacman -S dtc
+"""
+
+def __check_dtc(value):
+    if value != 0 and os.system("dtc -v") != 0:
+        print(__dtc_install_tip)
+
+def dts_to_dtb(RTT_ROOT, dts_list, options = "", include_paths = [], ignore_warning = []):
+    path = GetCurrentDir() + '/'
+    warning_ops = ""
+    for warning in ignore_warning:
+        warning_ops += " -W no-" + warning
+    for dts in dts_list:
+        dtb = dts.replace('.dts', '.dtb')
+        if not os.path.exists(path + dtb) or os.path.getmtime(path + dtb) < os.path.getmtime(path + dts):
+            tmp_dts = dts + '.tmp'
+            Preprocessing(dts, None, output = tmp_dts, CPPPATH=[RTT_ROOT + '/components/drivers/include'] + include_paths)
+            ret = os.system("dtc -I dts -O dtb -@ -A {} {} {} -o {}".format(warning_ops, options, path + tmp_dts, path + dtb))
+            __check_dtc(ret)
+            if os.path.exists(path + tmp_dts):
+                os.remove(path + tmp_dts)
+
+def dtb_to_dts(RTT_ROOT, dtb_name, dts_name = None, options = ""):
+    path = GetCurrentDir() + '/'
+    if dts_name == None:
+        dts_name = re.sub(r'\.dtb[o]*$', '.dts', dtb_name)
+    ret = os.system("dtc -I dtb -O dts {} {} -o {}".format(options, path + dtb_name, path + dts_name))
+    __check_dtc(ret)