add SConscript and remove library.properties

Author: mysterywolf

SConscript

@@ -0,0 +1,12 @@
+from building import *
+import os
+
+cwd = GetCurrentDir()
+group = []
+
+list = os.listdir(cwd)
+for item in list:
+    if os.path.isfile(os.path.join(cwd, item, 'SConscript')):
+        group = group + SConscript(os.path.join(item, 'SConscript'))
+
+Return('group')

examples/SConscript

@@ -0,0 +1,12 @@
+from building import *
+import os
+
+cwd = GetCurrentDir()
+group = []
+
+list = os.listdir(cwd)
+for item in list:
+    if os.path.isfile(os.path.join(cwd, item, 'SConscript')):
+        group = group + SConscript(os.path.join(item, 'SConscript'))
+
+Return('group')

examples/hello_world/SConscript

@@ -0,0 +1,9 @@
+from building import *
+
+src = Glob('*.c') + Glob('*.cpp')
+
+group = DefineGroup('RTduino-libraries', src,
+                    CPPPATH = [GetCurrentDir()],
+                    depend = ['PKG_USING_ARDUINO_TENSORFLOW_LITE_MICRO_EXAMPLE_HELLO_WORLD'])
+
+Return('group')

library.properties

@@ -0,0 +1,20 @@
+from building import *
+import os
+
+current_dir = GetCurrentDir()
+src = []
+
+# find the src folder's sub-folders and sub-files recursively
+for root, dirs, files in os.walk(current_dir):
+    for dir in dirs: # add all sub-folders' header files' path
+        _sub_path = os.path.join(root,dir) # sub-folder path
+        # add all .c/cpp file and .h/hpp file
+        src = src + Glob(os.path.join(_sub_path, '*.c'))
+        src = src + Glob(os.path.join(_sub_path, '*.cpp'))
+
+group = DefineGroup('RTduino-libraries', src,
+                    CPPPATH = [current_dir],
+                    CPPDEFINES = ['TF_LITE_STRIP_ERROR_STRINGS'],
+                    depend = ['PKG_USING_ARDUINO_TENSORFLOW_LITE_MICRO'])
+
+Return('group')