21 lines
335 B
C
21 lines
335 B
C
#include <atomic.h>
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#include <cpu.h>
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#include "debug.h"
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unsigned int atomic_set_return(unsigned int* val, unsigned int set)
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{
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unsigned int old_val;
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unsigned int old_state;
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DEBUG("atomic_set_return\n");
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old_state = disableIRQ();
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old_val = *val;
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*val = set;
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restoreIRQ(old_state);
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return old_val;
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}
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