[En-Nut-Discussion] Make heartbeat cinfigurable

[Uwe Bonnes]

Hello,

at present, IDLE_HEARTBEAT_XXXX is not listed in some xx.nut file. Appended
patch adds these items to the configuration

-- 
Uwe Bonnes                bon at elektron.ikp.physik.tu-darmstadt.de

Institut fuer Kernphysik  Schlossgartenstrasse 9  64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
Index: conf/os/os.nut
===================================================================
--- conf/os/os.nut	(Revision 2181)
+++ conf/os/os.nut	(Arbeitskopie)
@@ -405,6 +405,27 @@
                 requires = { "HW_MCU_ARM", "NUT_CRITNESTING" },
                 file = "include/cfg/os.h"
             },
+            {
+                macro = "IDLE_HEARTBEAT_BIT",
+                brief = "Idle Indicator",
+                description = "Pin for indication when Idle Thread is called",
+                requires = { "HW_MCU_AVR" },
+                file = "include/cfg/arch/avrpio.h"
+            },         
+            {
+                macro = "IDLE_HEARTBEAT_PORT",
+                brief = "Idle Indicator",
+                description = "Port, where Pin for Idle Thread identification is located",
+                requires = { "HW_MCU_AVR" },
+                file = "include/cfg/arch/avrpio.h"
+            },
+            {
+                macro = "IDLE_HEARTBEAT_DDR",
+                brief = "Idle Indicator",
+                requires = { "HW_MCU_AVR" },
+                description = "DDR, where Pin for Idle Thread identification is located",
+                file = "include/cfg/arch/avrpio.h"
+            }
         }
     },