isp-at89.c

at51系列单片机编程源码

/* ----------------------------------------------------------------------------
 * isp-at89.c
 * main program - isp-at89 is a tool to program an AT89S8252 via PPDEV.
 *
 * Authors:   Matthias Grimm
 *            Andreas Ochmann
 *            Sascha Flohr
 * Homepage:  http://sourceforge.net/projects/isp-at89
 * Copyright: 2003/2004
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 * ----------------------------------------------------------------------------*/
#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>

#include "isp-at89.h"

/* global variables */
struct ProgrammingData pd;

int
main(int argc, char **argv)
{
	struct ProgrammingData *pdata = &pd;
	struct MemChunk *Buffer;
	int err;

#ifdef ENABLE_NLS
	setlocale(LC_ALL, "");
	bindtextdomain(PACKAGE, PACKAGE_LOCALE_DIR);
	textdomain(PACKAGE);
#endif

	setupProgrammingData(pdata);     /* fill pdata with valid values */
	setTerminal(pdata, 1);    /* switch terminal in raw mode */

	if ((err = installSighandler()) == OK)
		if ((err = evaluateArgs(pdata, argc, argv)) == OK)
			switch (pdata->command) {
				case CMD_TEST:
					testmode (pdata->ppdevname);
					break;
				case CMD_READ:
					Buffer = readMemoryToBuffer(pdata);
					if (pdata->datafile[0])
						writeBufferToFile(Buffer, pdata->datafile, pdata->memory);
					else if (pdata->flags.disassemble)
						disassembleBufferToScreen(Buffer, pdata->memory);
					else
						dumpBufferToScreen(Buffer, pdata->memory);
					break;
				case CMD_WRITE:
					Buffer = readFileToBuffer(pdata->datafile, getMemorySize(pdata->memory));
					writeBufferToMemory(pdata, Buffer);
					break;
				case CMD_DUMP:
					Buffer = readFileToBuffer(pdata->datafile, getMemorySize(pdata->memory));
					if (pdata->flags.disassemble)
						disassembleBufferToScreen(Buffer, pdata->memory);
					else
						dumpBufferToScreen(Buffer, pdata->memory);
					break;
			}

	setTerminal(pdata, 0);  /* restore terminal settings, if changed */
	exit ((err > 0) ? 0 : -err);
}