Examples showing function-wrapping for step procedure

examples/AFMotor_ConstantSpeed/AFMotor_ConstantSpeed.pde

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+// ConstantSpeed.pde
+// -*- mode: C++ -*-
+//
+// Shows how to run AccelStepper in the simplest,
+// fixed speed mode with no accelerations
+// Requires the AFMotor library (https://github.com/adafruit/Adafruit-Motor-Shield-library)
+// And AccelStepper with AFMotor support (https://github.com/adafruit/AccelStepper)
+// Public domain!
+
+#include <AccelStepper.h>
+#include <AFMotor.h>
+
+AF_Stepper motor1(200, 1);
+
+
+// you can change these to DOUBLE or INTERLEAVE or MICROSTEP!
+void forwardstep() {  
+  motor1.onestep(FORWARD, SINGLE);
+}
+void backwardstep() {  
+  motor1.onestep(BACKWARD, SINGLE);
+}
+
+AccelStepper stepper(forwardstep, backwardstep); // use functions to step
+
+void setup()
+{  
+   Serial.begin(9600);           // set up Serial library at 9600 bps
+   Serial.println("Stepper test!");
+  
+   stepper.setSpeed(50);	
+}
+
+void loop()
+{  
+   stepper.runSpeed();
+}

examples/AFMotor_MultiStepper/AFMotor_MultiStepper.pde

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+// MultiStepper
+// -*- mode: C++ -*-
+//
+// Control both Stepper motors at the same time with different speeds
+// and accelerations. 
+// Requires the AFMotor library (https://github.com/adafruit/Adafruit-Motor-Shield-library)
+// And AccelStepper with AFMotor support (https://github.com/adafruit/AccelStepper)
+// Public domain!
+
+#include <AccelStepper.h>
+#include <AFMotor.h>
+
+// two stepper motors one on each port
+AF_Stepper motor1(200, 1);
+AF_Stepper motor2(200, 2);
+
+// you can change these to DOUBLE or INTERLEAVE or MICROSTEP!
+// wrappers for the first motor!
+void forwardstep1() {  
+  motor1.onestep(FORWARD, SINGLE);
+}
+void backwardstep1() {  
+  motor1.onestep(BACKWARD, SINGLE);
+}
+// wrappers for the second motor!
+void forwardstep2() {  
+  motor2.onestep(FORWARD, SINGLE);
+}
+void backwardstep2() {  
+  motor2.onestep(BACKWARD, SINGLE);
+}
+
+// Motor shield has two motor ports, now we'll wrap them in an AccelStepper object
+AccelStepper stepper1(forwardstep1, backwardstep1);
+AccelStepper stepper2(forwardstep2, backwardstep2);
+
+void setup()
+{  
+    stepper1.setMaxSpeed(200.0);
+    stepper1.setAcceleration(100.0);
+    stepper1.moveTo(24);
+    
+    stepper2.setMaxSpeed(300.0);
+    stepper2.setAcceleration(100.0);
+    stepper2.moveTo(1000000);
+    
+}
+
+void loop()
+{
+    // Change direction at the limits
+    if (stepper1.distanceToGo() == 0)
+	stepper1.moveTo(-stepper1.currentPosition());
+    stepper1.run();
+    stepper2.run();
+}