Dave M / mbed-rtosMemoryTest

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Revision 55:12e4664cbe28, committed 2014-12-09

Comitter:
dmatsumoto
Date:
Tue Dec 09 18:40:25 2014 +0000
Parent:
54:f1ef95efa5ad
Commit message:
initial test app that shows potential memory usage by mbed-rtos

Changed in this revision

rtx/TARGET_CORTEX_M/rt_CMSIS.c Show annotated file Show diff for this revision Revisions of this file 
--- a/rtx/TARGET_CORTEX_M/rt_CMSIS.c	Thu Nov 27 11:45:25 2014 +0000
+++ b/rtx/TARGET_CORTEX_M/rt_CMSIS.c	Tue Dec 09 18:40:25 2014 +0000
@@ -63,6 +63,8 @@
 
 #include "cmsis_os.h"
 
+#include "heapsize.hpp"
+
 #if (osFeature_Signals != 16)
 #error Invalid "osFeature_Signals" value!
 #endif
@@ -350,7 +352,6 @@
 extern osMessageQDef_t os_messageQ_def_osTimerMessageQ;
 extern osMessageQId    osMessageQId_osTimerMessageQ;
 
-
 // ==== Helper Functions ====
 
 /// Convert timeout in millisec to system ticks
@@ -475,6 +476,8 @@
 osStatus osKernelStart (void) {
   uint32_t stack[8];
 
+  printf( "in rt_CMSIS.c at beginning of osKernelStart, heap free is: %ld\r\n", heapSize());
+
   if (__get_IPSR() != 0) return osErrorISR;     // Not allowed in ISR
   switch (__get_CONTROL() & 0x03) {
     case 0x00:                                  // Privileged Thread mode & MSP
@@ -500,6 +503,8 @@
       if  (os_flags & 1) return osErrorOS;      // Privileged Thread mode requested
       break;
   }
+
+  
   return __svcKernelStart();
 }