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authorDavid A. Mellis <d.mellis@arduino.cc>2008-03-08 22:05:23 +0000
committerDavid A. Mellis <d.mellis@arduino.cc>2008-03-08 22:05:23 +0000
commit8d93bbebbd6361e26c728b3c6e892afb2bcfd8ea (patch)
tree0348639043865f842e353f51402bc9203640fcb6 /cores/arduino/wiring.c
parentc7cac2f165aa224462a625a892d834fc94938913 (diff)
Adding to the todo list and readme; fixing a bit of indentation.
Diffstat (limited to 'cores/arduino/wiring.c')
-rwxr-xr-xcores/arduino/wiring.c16
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