input_gen.cc

一个用system C来实现的交通灯控制算法

#include "input_gen.h"
#include <cassert>
Generator::Generator(sc_module_name name, char *datafile)
  : sc_module(name)
{
  assert(datafile != 0); // not null
  in = new ifstream(datafile); // open file
  assert(*in); // check that everything is OK

  SC_THREAD(generate_thread);

  sensors.initialize(0);
}
Generator::~Generator() 
{ delete in; }

void Generator::generate_thread()
{
  int sen;
  for (;;) {
    wait(4,SC_SEC); // generate new inputs every 5 seconds
    *in >> sen; // read from file, 4 sensors, 1 means a car is coming, 0 means no car
    sensors->write(sen);
  }
}