HardwareTimer: fix servo regression introduced by ARR preload enabled

ABOSTM · ABOSTM · commit 587c17b2aea7 · 2020-05-06T09:18:13.000+02:00
PR: HardwareTimer: Allow setting preload enable bits stm32duino#900 introduced a regression in servo library.
diff --git a/libraries/Servo/src/stm32/Servo.cpp b/libraries/Servo/src/stm32/Servo.cpp
@@ -84,6 +84,7 @@ static void TimerServoInit()
   TimerServo.setPrescaleFactor(prescaler);
   TimerServo.setOverflow(REFRESH_INTERVAL); // thanks to prescaler Tick = microsec
   TimerServo.attachInterrupt(Servo_PeriodElapsedCallback);
+  TimerServo.setPreloadEnable(false);
   TimerServo.resume();
 }
 

Original file line number	Diff line number	Diff line change
`@@ -84,6 +84,7 @@ static void TimerServoInit()`
`84`	`84`	`TimerServo.setPrescaleFactor(prescaler);`
`85`	`85`	`TimerServo.setOverflow(REFRESH_INTERVAL); // thanks to prescaler Tick = microsec`
`86`	`86`	`TimerServo.attachInterrupt(Servo_PeriodElapsedCallback);`
	`87`	`+ TimerServo.setPreloadEnable(false);`
`87`	`88`	`TimerServo.resume();`
`88`	`89`	`}`
`89`	`90`