add ci files for check the repo structure

.circleci/config.yml

@@ -7,14 +7,15 @@ jobs:
   build:
     docker:
       - image: mbedos/mbed-os-env:stable
-    working_directory: ~/repo
     steps:
       - checkout:
-          path: work/sinppet/TESTS
-      - run: mv work/sinppet/TESTS/mbed-os.lib work/
-      - run: git clone https://github.com/ARMmbed/mbed-os.git work/mbed-os
+          path: sinppet/TESTS
+      - run: |
+          cd sinppet/TESTS
+          python3 .circleci/repo_checks.py
+      - run: mv sinppet/TESTS/mbed-os.lib .
+      - run: git clone https://github.com/ARMmbed/mbed-os.git mbed-os
       - run: |
-          cd work
           mbed config root .
           mbed update
           mbed add https://github.com/c1728p9/AudioPlayer

.circleci/repo_checks.py

@@ -0,0 +1,67 @@
+"""
+Copyright (c) 2016-2020 ARM Limited. All rights reserved.
+
+SPDX-License-Identifier: Apache-2.0
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations 
+"""
+
+from pathlib import Path
+import glob
+import os.path
+import sys
+
+level2_set= set()
+dup_set = set()
+
+
+def main():
+    for filepath in Path('.').rglob('main.cpp'):
+        level2dir=os.path.basename(os.path.dirname(filepath))
+        level1dir=os.path.basename(os.path.dirname(os.path.dirname(filepath)))
+        level0dir=os.path.dirname(os.path.dirname(os.path.dirname(filepath)))
+
+        # check if length of folder name less then 34 
+        if len(level2dir) > 34 :
+            sys.stderr.write("ERROR: Snippet '{}' length of {} is {} exceed the requirement of 34".format(filepath,level2dir,len(level2dir)))
+            sys.exit(1)
+
+        # check if folder level less than 2 
+        if level1dir == '':
+            sys.stderr.write("ERROR: Snippet '{}' has only one level of folder, but 2 is required".format(filepath))
+            sys.exit(1) 
+
+        # check if folder level more than 2 
+        if level0dir !=  '':
+            sys.stderr.write("ERROR: Snippet '{}' has more than two level of folders, but 2 is required".format(filepath))
+            sys.exit(1) 
+
+        if level2dir not in level2_set:
+            level2_set.add(level2dir)
+        else:
+            dup_set.add(level2dir)
+
+    # check duplicated level2 folder names
+    if len(dup_set) > 0 :
+        for filepath in Path('.').rglob('main.cpp'):
+            level2dir=os.path.basename(os.path.dirname(filepath))
+            if level2dir in dup_set:
+                sys.stderr.write("ERROR level2 name '{}' in path '{}' is has a duplicated with others".format(level2dir,filepath))
+        sys.exit(1)
+
+
+    print("All checks PASSED")
+
+
+if __name__ == "__main__":
+    main()

APIs_USB/USBMIDI_Take_Me_Out_to_the_Ball_Game/README.md → APIs_USB/USBMIDI_Take_Me_Out/README.md

@@ -1,9 +1,9 @@
-## USBMIDI "Take Me Out to the Ball Game" example
-
-The example plays an entire song, not just a series of notes. "Take Me Out to the Ball Game" is a popular song in the public domain.
-
-1. Flash the board, and ensure the target's auxiliary USB is plugged into the PC.
-2. Open Anvil Studio.
-3. Click View > Synthesizers, MIDI + Audio Devices.
-4. Uncheck Synth is too slow to echo incoming events.
-5. Click View > Composer (Staff Editor) to see notes from the board being mapped to the sheet music.
+## USBMIDI "Take Me Out to the Ball Game" example
+
+The example plays an entire song, not just a series of notes. "Take Me Out to the Ball Game" is a popular song in the public domain.
+
+1. Flash the board, and ensure the target's auxiliary USB is plugged into the PC.
+2. Open Anvil Studio.
+3. Click View > Synthesizers, MIDI + Audio Devices.
+4. Uncheck Synth is too slow to echo incoming events.
+5. Click View > Composer (Staff Editor) to see notes from the board being mapped to the sheet music.