Tweak servo µs macros

6 years ago · 8924389dfc
parent 49e83dd7c8
commit 8924389dfc
1 changed files with 3 additions and 3 deletions
--- a/Marlin/src/HAL/shared/servo_private.h
+++ b/Marlin/src/HAL/shared/servo_private.h
@ -63,9 +63,9 @@

 #define INVALID_SERVO         255     // flag indicating an invalid servo index

-//
-#define usToTicks(_us)    (( clockCyclesPerMicrosecond()* _us) / PRESCALER)     // converts microseconds to tick (PRESCALER depends on architecture)
-#define ticksToUs(_ticks) (( (unsigned)_ticks * PRESCALER)/ clockCyclesPerMicrosecond() ) // converts from ticks back to microseconds
+// Convert microseconds to ticks and back (PRESCALER depends on architecture)
+#define usToTicks(_us)    (clockCyclesPerMicrosecond() * (_us) / (PRESCALER))
+#define ticksToUs(_ticks) (unsigned(_ticks) * (PRESCALER) / clockCyclesPerMicrosecond())

 //#define NBR_TIMERS        ((MAX_SERVOS) / (SERVOS_PER_TIMER))