update getting_started.rst and get_deps.py for clarity and improved dependency handling

2 files changed, 8 insertions, 18 deletions

diff --git a/docs/getting_started.rst b/docs/getting_started.rst
index b7a962d50..8442305d4 100644
--- a/docs/getting_started.rst
+++ b/docs/getting_started.rst
@@ -37,7 +37,7 @@ Get the Code
    Some MCU families require additional SDKs, please follow their instructions to install and set it up
 
    * **rp2040**: Requires `pico-sdk <https://github.com/raspberrypi/pico-sdk>`_
-   * **Espressif (esp32)**: Requires `esp-idf <https://github.com/espressif/esp-idf>`_
+   * **Espressif (esp32)**: Requires `esp-idf <https://github.com/espressif/esp-idf>`_. Only a few examples support the ESP-IDF build system. Look for ones with `src/CMakeLists.txt` that contain `idf_component_register()`, such as `cdc_msc_freertos`.
 
 Simple Device Example
 ---------------------
diff --git a/tools/get_deps.py b/tools/get_deps.py
index deacbb23b..51c2b1012 100755
--- a/tools/get_deps.py
+++ b/tools/get_deps.py
@@ -327,18 +327,16 @@ def main():
     parser.add_argument('-b', '--board', action='append', default=[], help='Boards to fetch')
     parser.add_argument('-D', '--define', action='append', default=[], help='Have no effect')
     parser.add_argument('-f1', '--build-flags-on', action='append', default=[], help='Have no effect')
-    parser.add_argument('--print', action='store_true', help='Print commit hash only')
     args = parser.parse_args()
 
     families = args.families
     boards = args.board
-    print_only = args.print
 
     status = 0
-    deps = list(deps_mandatory.keys())
+    deps = []
 
     if 'all' in families:
-        deps += deps_optional.keys()
+        deps.extend(deps_optional.keys())
     else:
         families = list(families)
         if boards is not None:
@@ -346,24 +344,16 @@ def main():
                 f = find_family(b)
                 if f is not None:
                     families.append(f)
-
         for f in families:
             for d in deps_optional:
                 if d not in deps and f in deps_optional[d][2].split():
                     deps.append(d)
+        if len(deps) == 0:
+            print('WARN: no additional dependencies found for given boards or families')
 
-    if print_only:
-        pvalue = {}
-        # print only without arguments, always add CMSIS_5
-        if len(families) == 0 and len(boards) == 0:
-            deps.append('lib/CMSIS_5')
-        for d in deps:
-            commit = deps_all[d][1]
-            pvalue[d] = commit
-        print(pvalue)
-    else:
-        with Pool() as pool:
-            status = sum(pool.map(get_a_dep, deps))
+    deps.extend(deps_mandatory.keys())
+    with Pool() as pool:
+        status = sum(pool.map(get_a_dep, deps))
     return status