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use limits.h

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This commit is contained in:
Martin Ness 2016-05-10 20:42:49 +02:00
parent 6d3ee6202a
commit babb27e5ea
1 changed files with 2 additions and 4 deletions
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6
status/status.ino
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@ -1,3 +1,4 @@
#include <limits.h>
/*
* es gibt folgende Zustände:
* 0 - Aus
@ -17,9 +18,6 @@
#define TIME_HALF 5400000 // 1,5h
#define TIME_OFF 7200000 // 2h
// für Variablen Überlauf in calcStateTime
#define MAX_LONG 4294967295
// Ein-/Ausgänge Bezeichnen
const int BTN_ON = 2; // Einschalter
const int BTN_OFF = 3; // Ausschalter
@ -134,7 +132,7 @@ unsigned long calcStateTime() {
if (millis() - stateBegan >= 0) {
return millis() - stateBegan;
} else {
return millis() + (MAX_LONG - stateBegan);
return millis() + (ULONG_MAX - stateBegan);
}
}