General cleanup HAL timers

2017-12-09 20:00:10 -06:00
parent 69d49a2438
commit b8bc965414
5 changed files with 30 additions and 30 deletions
--- a/Marlin/src/core/macros.h
+++ b/Marlin/src/core/macros.h
@ -44,8 +44,7 @@
 #define _O3          __attribute__((optimize("O3")))

 // Clock speed factors
-#define CYCLES_PER_MICROSECOND (F_CPU / 1000000L) // 16 or 20
-#define INT0_PRESCALER 8
+#define CYCLES_PER_MICROSECOND (F_CPU / 1000000L) // 16 or 20 on AVR

 // Highly granular delays for step pulses, etc.
 #define DELAY_0_NOP NOOP