micros() is going backwards

fpistm · fpistm · commit 4d917ee794e8 · 2017-05-30T10:18:10.000+02:00
Signed-off-by: Frederic.Pillon &lt;frederic.pillon@st.com&gt;
diff --git a/cores/arduino/stm32/clock.c b/cores/arduino/stm32/clock.c
@@ -104,7 +104,7 @@
   */
 uint32_t GetCurrentMicro(void)
 {
-  return (HAL_GetTick()*1000) + (SysTick->VAL / (SystemCoreClock / 1000000));
+  return (HAL_GetTick()*1000) + ((SystemCoreClock/1000-SysTick->VAL)/(SystemCoreClock/1000000));
 }
 
 /**

Original file line number	Diff line number	Diff line change
`@@ -104,7 +104,7 @@`
`104`	`104`	`*/`
`105`	`105`	`uint32_t GetCurrentMicro(void)`
`106`	`106`	`{`
`107`		`- return (HAL_GetTick()*1000) + (SysTick->VAL / (SystemCoreClock / 1000000));`
	`107`	`+ return (HAL_GetTick()*1000) + ((SystemCoreClock/1000-SysTick->VAL)/(SystemCoreClock/1000000));`
`108`	`108`	`}`
`109`	`109`
`110`	`110`	`/**`