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tuned costant for pulseIn

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This commit is contained in:
Fede85 2012-10-12 16:09:54 +02:00
parent 1aea8f32dd
commit e4fdb9ece3
1 changed files with 2 additions and 2 deletions
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4
hardware/arduino/sam/cores/arduino/wiring_pulse.cpp
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@ -54,8 +54,8 @@ extern uint32_t pulseIn( uint32_t pin, uint32_t state, uint32_t timeout )
} }
// convert the reading to microseconds. The loop has been determined // convert the reading to microseconds. The loop has been determined
// to be 22 clock cycles long and have about 16 clocks between the edge // to be 52 clock cycles long and have about 16 clocks between the edge
// and the start of the loop. There will be some error introduced by // and the start of the loop. There will be some error introduced by
// the interrupt handlers. // the interrupt handlers.
return clockCyclesToMicroseconds(width * 22 + 16); return clockCyclesToMicroseconds(width * 52 + 16);
} }