text: //
  //  RS.h
  //  MHelloHardware
  //
  //  Created by Chen,Meisong on 2017/9/25.
  //  Copyright © 2017年 hellochenms. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  @interface RS : NSObject
  - (void)start;
  - (void)r;
  - (void)s:(BOOL)value;
  - (void)shutdown;
  @end
  