diff options
| -rwxr-xr-x | cores/arduino/wiring.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/cores/arduino/wiring.c b/cores/arduino/wiring.c index ae8fcdd..dd07a5f 100755 --- a/cores/arduino/wiring.c +++ b/cores/arduino/wiring.c @@ -66,7 +66,7 @@ void delayMicroseconds(unsigned int us) //delay_us(us); #if F_CPU >= 16000000L - // for the 16 MHz clock on most Arduino boards + // for the 16 MHz clock on most Arduino boards // for a one-microsecond delay, simply return. the overhead // of the function call yields a delay of approximately 1 1/8 us. @@ -81,11 +81,11 @@ void delayMicroseconds(unsigned int us) // account for the time taken in the preceeding commands. us -= 2; #else - // for the 8 MHz internal clock on the ATmega168 + // for the 8 MHz internal clock on the ATmega168 - // for a one- or two-microsecond delay, simply return. the overhead of - // the function calls takes more than two microseconds. can't just - // subtract two, since us is unsigned; we'd overflow. + // for a one- or two-microsecond delay, simply return. the overhead of + // the function calls takes more than two microseconds. can't just + // subtract two, since us is unsigned; we'd overflow. if (--us == 0) return; if (--us == 0) @@ -96,9 +96,9 @@ void delayMicroseconds(unsigned int us) // delay requested. us <<= 1; - // partially compensate for the time taken by the preceeding commands. - // we can't subtract any more than this or we'd overflow w/ small delays. - us--; + // partially compensate for the time taken by the preceeding commands. + // we can't subtract any more than this or we'd overflow w/ small delays. + us--; #endif // disable interrupts, otherwise the timer 0 overflow interrupt that |