Dave M / RtosHeapTest

initial test app that shows potential memory usage by mbed-rtos

Dependencies:   mbed-rtosMemoryTest mbed

heapsize.hpp@0:9a0840718117, 2014-12-09 (annotated)

Committer:
dmatsumoto
Date:
Tue Dec 09 18:42:05 2014 +0000
Revision:
0:9a0840718117
initial test app that shows potential memory usage by mbed-rtos

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dmatsumoto 0:9a0840718117 1 #ifndef __HEAPSIZE_HPP__
dmatsumoto 0:9a0840718117 2 #define __HEAPSIZE_HPP__
dmatsumoto 0:9a0840718117 3
dmatsumoto 0:9a0840718117 4 unsigned long heapSize()
dmatsumoto 0:9a0840718117 5 {
dmatsumoto 0:9a0840718117 6 char stackVariable;
dmatsumoto 0:9a0840718117 7 void *heap;
dmatsumoto 0:9a0840718117 8 unsigned long result;
dmatsumoto 0:9a0840718117 9 heap = malloc(4);
dmatsumoto 0:9a0840718117 10 result = (uint8_t*)&stackVariable - (uint8_t*)heap;
dmatsumoto 0:9a0840718117 11 free(heap);
dmatsumoto 0:9a0840718117 12 return result;
dmatsumoto 0:9a0840718117 13 }
dmatsumoto 0:9a0840718117 14
dmatsumoto 0:9a0840718117 15 #endif