Diff: mbed/mbed-rtos/rtos/rtos_idle.c

Revision:

0:e0dbd261724a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed/mbed-rtos/rtos/rtos_idle.c	Thu Dec 05 20:34:10 2019 -0500
@@ -0,0 +1,51 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "rtos/rtos_idle.h"
+
+static void default_idle_hook(void)
+{
+    /* Sleep: ideally, we should put the chip to sleep.
+     Unfortunately, this usually requires disconnecting the interface chip (debugger).
+     This can be done, but it would break the local file system.
+    */
+    // sleep();
+}
+static void (*idle_hook_fptr)(void) = &default_idle_hook;
+
+void rtos_attach_idle_hook(void (*fptr)(void))
+{
+    //Attach the specified idle hook, or the default idle hook in case of a NULL pointer
+    if (fptr != NULL) {
+        idle_hook_fptr = fptr;
+    } else {
+        idle_hook_fptr = default_idle_hook;
+    }
+}
+
+void rtos_idle_loop(void)
+{
+    //Continuously call the idle hook function pointer
+    while (1) {
+        idle_hook_fptr();
+    }
+}