Diff: main.cpp

Revision:

2:c31a1758ac38

Parent:

1:159a09ac60ba

Child:

3:32a940251192

--- a/main.cpp	Tue Feb 28 17:39:50 2017 +0000
+++ b/main.cpp	Tue Feb 28 18:05:25 2017 +0000
@@ -1,8 +1,13 @@
 #include "mbed.h"
 #include "wdt.h"
 
-//WATCHDOG ENABLED (overloading library function SystemInit.c)
-// 
+// Sample program using the Watchdog
+// ---------------------------------
+//    * Watchdog is fed for 5 sec, after that
+//    *   ... the system resets 
+
+// Note on how the WATCHDOG is enabled, overloading library function SystemInit
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 // The KL25Z watchdog is enabled after reset with timeout=1024ms (2^10*LPO=1KHz)
 // To make the dvice easy to use on mbed, th watchdog is disabled at startup 
 // (in file SystemInit.c) **BUT** SIM_COPC register can only be written once 
@@ -18,6 +23,7 @@
 //   https://developer.mbed.org/users/chris/notebook/Patching-functions-and-libraries/
 //   and searching "ARM Compiler toolchain Using the Linker" 
 //      "Using $Super$$ and $Sub$$ to patch symbol definitions"
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 
 
 #define LIGHT 0