Prevent division by zero in method setSpeed

skniazev · skniazev · commit a6e3b3caf26c · 2015-12-09T23:38:59.000+01:00
diff --git a/libraries/Stepper/src/Stepper.cpp b/libraries/Stepper/src/Stepper.cpp
@@ -139,7 +139,7 @@ Stepper::Stepper(int number_of_steps, int motor_pin_1, int motor_pin_2,
  */
 void Stepper::setSpeed(long whatSpeed)
 {
-  this->step_delay = 60L * 1000L * 1000L / this->number_of_steps / whatSpeed;
+  this->step_delay = (whatSpeed) ? 60L * 1000L * 1000L / this->number_of_steps / whatSpeed : 0;
 }
 
 /*

Original file line number	Diff line number	Diff line change
`@@ -139,7 +139,7 @@ Stepper::Stepper(int number_of_steps, int motor_pin_1, int motor_pin_2,`
`139`	`139`	`*/`
`140`	`140`	`void Stepper::setSpeed(long whatSpeed)`
`141`	`141`	`{`
`142`		`- this->step_delay = 60L * 1000L * 1000L / this->number_of_steps / whatSpeed;`
	`142`	`+ this->step_delay = (whatSpeed) ? 60L * 1000L * 1000L / this->number_of_steps / whatSpeed : 0;`
`143`	`143`	`}`
`144`	`144`
`145`	`145`	`/*`