Add support for wiringpi and linux_arm

Author: Caian

extra_script.py

@@ -30,9 +30,13 @@
 global_env = DefaultEnvironment()
 board = env['BOARD']
 framework = env['PIOFRAMEWORK'][0]
+platform = env.get('PIOPLATFORM', None)
 extra_packages_path = "{}/extra_packages".format(env['PROJECT_DIR'])
 
-selected_board_meta = boards_metas[board] if board in boards_metas else "colcon.meta"
+if platform == 'linux_arm':
+    selected_board_meta = 'linux.meta'
+else:
+    selected_board_meta = boards_metas[board] if board in boards_metas else "colcon.meta"
 
 # Retrieve the required transport. Default iron
 microros_distro = global_env.BoardConfig().get("microros_distro", "iron")
@@ -156,4 +160,4 @@ def update_env():
 if set(["clean_microros", "_idedata", "idedata"]).isdisjoint(set(COMMAND_LINE_TARGETS)):
     build_microros()
 
-update_env()
+update_env()

library.json

@@ -25,6 +25,6 @@
         "extraScript": "./extra_script.py"
     },
 
-    "frameworks": "arduino",
-    "platforms": "teensy, https://github.com/platformio/platform-espressif32.git#feature/arduino-upstream, atmelsam, raspberrypi, ststm32"
-}
+    "frameworks": "arduino, wiringpi",
+    "platforms": "teensy, https://github.com/platformio/platform-espressif32.git#feature/arduino-upstream, atmelsam, raspberrypi, ststm32, linux_arm"
+}

metas/linux.meta

@@ -0,0 +1,20 @@
+{
+    "names": {
+        "rcutils": {
+            "cmake-args": [
+                "-DCMAKE_C_FLAGS=-D_GNU_SOURCE"
+            ]
+        },
+        "rmw_microxrcedds": {
+            "cmake-args": [
+                "-DRMW_UXRCE_MAX_NODES=1",
+                "-DRMW_UXRCE_MAX_PUBLISHERS=10",
+                "-DRMW_UXRCE_MAX_SUBSCRIPTIONS=5",
+                "-DRMW_UXRCE_MAX_SERVICES=1",
+                "-DRMW_UXRCE_MAX_CLIENTS=1",
+                "-DRMW_UXRCE_MAX_HISTORY=4",
+                "-DRMW_UXRCE_TRANSPORT=custom"
+            ]
+        }
+    }
+}