#ifndef CLICK_BIM_HH#define CLICK_BIM_HH#include <click/element.hh>#include <click/task.hh>CLICK_DECLS/* * BIM(DEVNAME, BAUD) * * Read and write packets from/to ABACOM BIM-4xx-RS232 radio. * Takes care of low-level framing. * Pulls *and* pushes packets. * Example DEVNAME: /dev/cuaa0 */class BIM : public Element { public:  BIM();  ~BIM();  const char *class_name() const	{ return "BIM"; }  const char *port_count() const	{ return PORTS_1_1; }  const char *processing() const	{ return PULL_TO_PUSH; }  int configure(Vector<String> &, ErrorHandler *);  int initialize(ErrorHandler *);  void selected(int fd);  void push(int port, Packet *);  bool run_task(Task *); private:  String _dev;  int _speed;  int _fd;  Task _task;  /* turn bytes from the radio into frames */  void got_char(int c);  char _buf[2048];  int _len;  int _started;  int _escaped;  void send_packet(const unsigned char buf[], unsigned int len);};CLICK_ENDDECLS#endif