• DIRECTION_CCW : AccelStepper
• DIRECTION_CW : AccelStepper
• DRIVER : AccelStepper
• FULL2WIRE : AccelStepper
• FULL3WIRE : AccelStepper
• FULL4WIRE : AccelStepper
• FUNCTION : AccelStepper
• HALF3WIRE : AccelStepper
• HALF4WIRE : AccelStepper