main.cc

AVR 单片机程序设计用到的模拟器

/* $Id: Main.cc,v 1.8 2000/10/01 17:00:42 pure Exp $ */

#include <unistd.h>
#include <string.h>
#include <iostream.h>
#include <stdlib.h>
#include "Monitor.h"
#include "Server.h"

int ramsize = (32*1024) - 0x60;
int romsize = 128*1024;
int model = 0;
char* hostname = "localhost";
int port = 4040;
char* filename = NULL;

void usage(char* progname)
{
	cerr << "This is the AVR emulator.  Usage:" << endl << endl
	     << "    " << progname << " [options]" << endl << endl
	     << "Options:" << endl << endl 
	     << "  -r SIZE      Size of the emulated RAM in bytes" << endl
	     << "  -f SIZE      Size of the emulated FLASH in bytes" << endl
	     << "  -m MODEL     Emulate this AVR model" << endl
	     << "     1         ATmega103" << endl 
	     << "     2         AT90S8515" << endl 
  	     << "  -n hostname  Hostname where to listen for GDB (default: " << hostname << ")" << endl
	     << "  -p port      Port on which to listen for GDB (default: " << port <<")" << endl
	     << "  -x binary    Execute the binary instead of waiting for gdb" << endl << endl
	     << "For more information consult the AVR emulator manual." << endl
	     << "Report bugs to \"[e-mail]\"" << endl << endl;
	exit(-1);
}

int main(int argc, char** argv)
{
	int option_char;
	
	while ((option_char = getopt(argc, argv, "r:f:n:p:x:m:")) != EOF)
	    switch (option_char) {
	    case 'r': ramsize = atoi(optarg); break;
	    case 'f': romsize = atoi(optarg); break;
	    case 'n': hostname = strdup(optarg); break;
	    case 'p': port = atoi(optarg); break;
	    case 'm': model = atoi(optarg); break;	    
	    case 'x': filename = strdup(optarg); break;	   
	    case '?': usage(argv[0]);
	    }

	if (!filename) {
		cout << "Wait for GDB connect at " << hostname << ":" << port 
			<< endl;

		Server server(hostname, port);
		server.accept();
		
		Monitor monitor(server, ramsize, romsize, model, 4000000);
		monitor.main();
	} else {
		AVR_BDM emulator(ramsize, romsize, model, 4000000);
		emulator.load(filename);
		emulator.run();
		emulator.join();
	}
}