23 lines
504 B
C++
23 lines
504 B
C++
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/*
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* MemoryFree.cpp
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* returns the number of free RAM bytes
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*/
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#include "MemoryFree.h"
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extern unsigned int __data_start;
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extern unsigned int __data_end;
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extern unsigned int __bss_start;
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extern unsigned int __bss_end;
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extern unsigned int __heap_start;
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extern void *__brkval;
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int freeMemory()
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{
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int free_memory;
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if((int)__brkval == 0)
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free_memory = ((int)&free_memory) - ((int)&__bss_end);
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else
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free_memory = ((int)&free_memory) - ((int)__brkval);
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return free_memory;
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}
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