diff options
author | David A. Mellis <d.mellis@arduino.cc> | 2008-03-08 22:05:23 +0000 |
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committer | David A. Mellis <d.mellis@arduino.cc> | 2008-03-08 22:05:23 +0000 |
commit | 8d93bbebbd6361e26c728b3c6e892afb2bcfd8ea (patch) | |
tree | 0348639043865f842e353f51402bc9203640fcb6 /cores/arduino/wiring.c | |
parent | c7cac2f165aa224462a625a892d834fc94938913 (diff) |
Adding to the todo list and readme; fixing a bit of indentation.
Diffstat (limited to 'cores/arduino/wiring.c')
-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 |