[core] Move Wiring common core to wiring/, reset watchdog in yield()

builder/utils/cores.py

@@ -50,6 +50,7 @@ def env_add_core_sources(env: Environment, queue, name: str, path: str) -> bool:
             "+<compat/*.c*>",
             "+<port/*.c*>",
             "+<posix/*.c>",
+            "+<wiring/*.c>",
             "+<wraps/*.c>",
         ],
         includes=[
@@ -58,6 +59,7 @@ def env_add_core_sources(env: Environment, queue, name: str, path: str) -> bool:
             "!<compat>",
             "!<config>",
             "!<port>",
+            "!<wiring>",
         ],
     )
     queue.AddLibrary(

cores/common/arduino/src/common/hooks.c

@@ -1,61 +0,0 @@
-/*
-  Copyright (c) 2015 Arduino LLC.  All right reserved.
-
-  This library is free software; you can redistribute it and/or
-  modify it under the terms of the GNU Lesser General Public
-  License as published by the Free Software Foundation; either
-  version 2.1 of the License, or (at your option) any later version.
-
-  This library is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-  See the GNU Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public
-  License along with this library; if not, write to the Free Software
-  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-*/
-
-/**
- * Empty yield() hook.
- *
- * This function is intended to be used by library writers to build
- * libraries or sketches that supports cooperative threads.
- *
- * Its defined as a weak symbol and it can be redefined to implement a
- * real cooperative scheduler.
- */
-static void __empty() {
-	// Empty
-}
-
-void yield(void) __attribute__((weak, alias("__empty")));
-
-/**
- * SysTick hook
- *
- * This function is called from SysTick handler, before the default
- * handler provided by Arduino.
- */
-static int __false() {
-	// Return false
-	return 0;
-}
-
-int sysTickHook(void) __attribute__((weak, alias("__false")));
-
-/**
- * SVC hook
- * PendSV hook
- *
- * These functions are called from SVC handler, and PensSV handler.
- * Default action is halting.
- */
-static void __halt() {
-	// Halts
-	while (1)
-		;
-}
-
-void svcHook(void) __attribute__((weak, alias("__halt")));
-void pendSVHook(void) __attribute__((weak, alias("__halt")));

cores/common/arduino/src/wiring/wiring.c

@@ -12,6 +12,11 @@ __attribute__((weak)) void yield() {
 	runPeriodicTasks();
 	vTaskDelay(1);
 	taskYIELD();
+	lt_wdt_feed();
 }
 
+#else
+
+__attribute__((weak)) void yield() {}
+
 #endif