Added general yield()-hook for cooperative scheduling development

hardware/arduino/sam/libraries/Scheduler/Scheduler.cpp

@@ -122,12 +122,6 @@ void yield(void) {
 	coopDoYield(cur);
 }
 
-void wait(uint32_t ms) {
-	uint32_t start = millis();
-	while (millis() - start < ms)
-		yield();
-}
-
 }; // extern "C"
 
 SchedulerClass::SchedulerClass() {

hardware/arduino/sam/libraries/Scheduler/Scheduler.h

@@ -22,9 +22,6 @@
 extern "C" {
 	typedef void (*SchedulerTask)(void);
 	typedef void (*SchedulerParametricTask)(void *);
-
-	void wait(uint32_t ms);
-	void yield();
 }
 
 class SchedulerClass {
@@ -34,7 +31,6 @@ public:
 	static void start(SchedulerTask task, uint32_t stackSize = 1024);
 	static void start(SchedulerParametricTask task, void *data, uint32_t stackSize = 1024);
 
-	static void wait(uint32_t ms) { ::wait(ms); };
 	static void yield() { ::yield(); };
 };
 

hardware/arduino/sam/libraries/Scheduler/examples/MultipleBlinks/MultipleBlinks.ino

@@ -14,10 +14,8 @@
  This example code is in the public domain
  
  http://arduino.cc/en/Tutorial/MultipleBlinks
-
 */
 
-
 // Include Scheduler since we want to manage multiple tasks.
 #include <Scheduler.h>
 
@@ -44,21 +42,20 @@ void loop() {
   digitalWrite(led1, HIGH);
 
   // IMPORTANT:
-  // We must use 'wait' instead of 'delay' to guarantee
-  // that the other tasks get executed.
-  // ('wait' passes control to other tasks while waiting)
-  wait(1000);
+  // When multiple tasks are running 'delay' passes control to
+  // other tasks while waiting and guarantees they get executed.
+  delay(1000);
 
   digitalWrite(led1, LOW);
-  wait(1000);
+  delay(1000);
 }
 
 // Task no.2: blink LED with 0.1 second delay.
 void loop2() {
   digitalWrite(led2, HIGH);
-  wait(100);
+  delay(100);
   digitalWrite(led2, LOW);
-  wait(100);
+  delay(100);
 }
 
 // Task no.3: accept commands from Serial port

hardware/arduino/sam/libraries/Scheduler/keywords.txt

@@ -12,8 +12,6 @@ Scheduler	KEYWORD1
 # Methods and Functions (KEYWORD2)
 #######################################
 
-yield	KEYWORD2
-wait	KEYWORD2
 startLoop	KEYWORD2
 
 #######################################