Do not yield during delayMicroseconds

cmaglie · cmaglie · commit 969e29befbf0 · 2012-11-03T23:47:32.000+01:00
diff --git a/hardware/arduino/sam/cores/arduino/wiring.c b/hardware/arduino/sam/cores/arduino/wiring.c
@@ -52,9 +52,9 @@ void delay( uint32_t ms )
 
 void delayMicroseconds( uint32_t us )
 {
-	uint32_t start = micros();
-	while ((micros() - start) < us)
-		yield();
+    uint32_t start = micros();
+    while ((micros() - start) < us)
+        ;
 }
 
 /*

Original file line number	Diff line number	Diff line change
`@@ -52,9 +52,9 @@ void delay( uint32_t ms )`
`52`	`52`
`53`	`53`	`void delayMicroseconds( uint32_t us )`
`54`	`54`	`{`
`55`		`- uint32_t start = micros();`
`56`		`- while ((micros() - start) < us)`
`57`		`- yield();`
	`55`	`+ uint32_t start = micros();`
	`56`	`+ while ((micros() - start) < us)`
	`57`	`+ ;`
`58`	`58`	`}`
`59`	`59`
`60`	`60`	`/*`