Fix MINIMUM_STEPPER_PULSE maths

2017-04-11 11:11:17 -05:00
parent 68773f4486
commit 6a9b008044
2 changed files with 117 additions and 64 deletions
--- a/Marlin/macros.h
+++ b/Marlin/macros.h
@ -36,8 +36,9 @@
  #define CRITICAL_SECTION_END    SREG = _sreg;
 #endif

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

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