auto-sync

firmware/controllers/math/efitime.h

@@ -20,6 +20,17 @@
  */
 typedef uint32_t efitimems_t;
 
+/**
+ * 64 bit time in microseconds, since boot
+ */
+typedef uint64_t efitimeus_t;
+
+/**
+ * platform-dependent tick since boot
+ * in case of stm32f4 that's a CPU tick
+ */
+typedef uint64_t efitick_t;
+
 /**
  * numeric value from 0 to 100
  */
@@ -49,12 +60,12 @@ extern "C"
  * WARNING: you should use getTimeNowNt where possible for performance reasons.
  * The heaviest part is '__aeabi_ildivmod' - non-native 64 bit division
  */
-uint64_t getTimeNowUs(void);
+efitimeus_t getTimeNowUs(void);
 
 /**
  * 64-bit counter CPU cycles since MCU reset
  */
-uint64_t getTimeNowNt(void);
+efitick_t getTimeNowNt(void);
 
 uint64_t getHalTimer(void);
 

firmware/main.h

@@ -40,9 +40,15 @@ extern "C"
 // 168 ticks in microsecond
 #define US_TO_NT_MULTIPLIER 168
 
-#define US2NT(x) (((uint64_t)(x))*US_TO_NT_MULTIPLIER)
+/**
+ * converts efitimeus_t to efitick_t
+ */
+#define US2NT(us) (((uint64_t)(us))*US_TO_NT_MULTIPLIER)
 
-#define NT2US(x) ((x) / US_TO_NT_MULTIPLIER)
+/**
+ * converts efitick_t to efitimeus_t
+ */
+#define NT2US(nt) ((nt) / US_TO_NT_MULTIPLIER)
 
 
 /**