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Update freeMemory.cpp
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@ -50,9 +50,9 @@ int freeMemory() {
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// by estimation or inspection, that may be used by other
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// called subroutines.
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int updateMinimumFreeMemory(unsigned char extraBytes) {
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int spare = freeMemory()-extraBytes;
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byte sreg_save = SREG;
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noInterrupts();
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int spare = freeMemory()-extraBytes;
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if (spare < minimum_free_memory) minimum_free_memory = spare;
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int returnValue = minimum_free_memory;
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SREG = sreg_save;
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