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Test time difference in safe way

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This commit is contained in:
Scott Lahteine 2016-04-10 15:55:12 -07:00
parent 562e281c73
commit 386140f361
9 changed files with 60 additions and 57 deletions
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Marlin/macros.h
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@ -57,4 +57,7 @@
#define PIN_EXISTS(PN) (defined(PN ##_PIN) && PN ##_PIN >= 0)
#define PENDING(NOW,SOON) ((long)(NOW-(SOON))<0)
#define ELAPSED(NOW,SOON) (!PENDING(NOW,SOON))
#endif //__MACROS_H