bzr branch
http://bzr.ed.am/elec/quadcopter
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25
by Tim Marston
stabalised the PPM output on the rc-interface board |
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// |
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// common.cc |
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// |
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#include "common.h" |
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#include <limits.h> |
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unsigned long calculate_duration( unsigned long then, unsigned long now ) |
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{
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return now - then; |
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if( now < then ) |
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return now + ( ULONG_MAX - then ); |
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else |
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return now - then; |
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} |