style tweaks

MarlinFirmware · Mar 26, 2023 · 4b1fee8 · 4b1fee8
1 parent a120dfe
commit 4b1fee8
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Showing 2 changed files with 6 additions and 6 deletions.
diff --git a/Marlin/src/HAL/AVR/timers.h b/Marlin/src/HAL/AVR/timers.h
@@ -44,14 +44,14 @@ typedef uint16_t hal_timer_t;
   #define MF_TIMER_TEMP         0
 #endif
 
-#define TEMP_TIMER_FREQUENCY    ((F_CPU) / 64.0 / 256.0)
+#define TEMP_TIMER_FREQUENCY    (((F_CPU) + 0x2000) / 0x4000)
 
 #define STEPPER_TIMER_RATE      HAL_TIMER_RATE
 #define STEPPER_TIMER_PRESCALE  8
-#define STEPPER_TIMER_TICKS_PER_US ((STEPPER_TIMER_RATE) / 1000000) // Cannot be of type double
+#define STEPPER_TIMER_TICKS_PER_US ((STEPPER_TIMER_RATE) / 1000000)
 
-#define PULSE_TIMER_RATE       STEPPER_TIMER_RATE   // frequency of pulse timer
-#define PULSE_TIMER_PRESCALE   STEPPER_TIMER_PRESCALE
+#define PULSE_TIMER_RATE         STEPPER_TIMER_RATE
+#define PULSE_TIMER_PRESCALE     STEPPER_TIMER_PRESCALE
 #define PULSE_TIMER_TICKS_PER_US STEPPER_TIMER_TICKS_PER_US
 
 #define ENABLE_STEPPER_DRIVER_INTERRUPT()  SBI(TIMSK1, OCIE1A)

diff --git a/Marlin/src/module/stepper.cpp b/Marlin/src/module/stepper.cpp
@@ -2094,8 +2094,8 @@ hal_timer_t Stepper::calc_timer_interval(uint32_t step_rate) {
 
   #ifdef CPU_32_BIT
 
-    if (step_rate != 0)
-      return uint32_t(STEPPER_TIMER_RATE) / step_rate; // A fast processor can just do integer division
+    // A fast processor can just do integer division
+    if (step_rate) return uint32_t(STEPPER_TIMER_RATE) / step_rate;
 
     return HAL_TIMER_TYPE_MAX;