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20 lines
539 B
C
20 lines
539 B
C
#ifndef COMMANDSTATION_DCC_FREEMEMORY_H_
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#define COMMANDSTATION_DCC_FREEMEMORY_H_
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// thanks go to https://github.com/mpflaga/Arduino-MemoryFree
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#ifdef __arm__
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// should use uinstd.h to define sbrk but Due causes a conflict
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extern "C" char* sbrk(int incr);
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#else
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extern char *__brkval;
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#endif // __arm__
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int freeMemory() {
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char top;
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#ifdef __arm__
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return &top - reinterpret_cast<char*>(sbrk(0));
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#else
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return __brkval ? &top - __brkval : &top - __malloc_heap_start;
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#endif // __arm__
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}
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#endif // COMMANDSTATION_DCC_FREEMEMORY_H_
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