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/**
* Main program code for the fwflash utility.
*
* Copyright 2006 David Anderson <david.anderson@calixo.net>
*
* 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.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include <stdio.h>
#include <stdlib.h>
#include "error.h"
#include "lowlevel.h"
#include "samba.h"
#include "firmware.h"
#define NXT_HANDLE_ERR(expr, nxt, msg) \
do { \
nxt_error_t nxt__err_temp = (expr); \
if (nxt__err_temp) \
return handle_error(nxt, msg, nxt__err_temp); \
} while(0)
static int handle_error(nxt_t *nxt, char *msg, nxt_error_t err)
{
printf("%s: %s\n", msg, nxt_str_error(err));
if (nxt != NULL)
nxt_close(nxt);
exit(err);
}
int main(int argc, char *argv[])
{
nxt_t *nxt;
nxt_error_t err;
char *fw_file;
if (argc != 2)
{
printf("Syntax: %s <firmware image to write>\n"
"\n"
"Example: %s nxtos.bin\n", argv[0], argv[0]);
exit(1);
}
fw_file = argv[1];
printf("Checking firmware... ");
NXT_HANDLE_ERR(nxt_firmware_validate(fw_file), NULL,
"Error");
printf("OK.\n");
NXT_HANDLE_ERR(nxt_init(&nxt), NULL,
"Error during library initialization");
err = nxt_find(nxt);
if (err)
{
if (err == NXT_NOT_PRESENT)
printf("NXT not found. Is it properly plugged in via USB?\n");
else
NXT_HANDLE_ERR(0, NULL, "Error while scanning for NXT");
exit(1);
}
if (!nxt_in_reset_mode(nxt))
{
printf("NXT found, but not running in reset mode.\n");
printf("Please reset your NXT manually and restart this program.\n");
exit(2);
}
NXT_HANDLE_ERR(nxt_open(nxt), NULL, "Error while connecting to NXT");
printf("NXT device in reset mode located and opened.\n"
"Starting firmware flash procedure now...\n");
NXT_HANDLE_ERR(nxt_firmware_flash(nxt, fw_file), nxt,
"Error flashing firmware");
printf("Firmware flash complete.\n");
NXT_HANDLE_ERR(nxt_jump(nxt, 0x00100000), nxt,
"Error booting new firmware");
printf("New firmware started!\n");
NXT_HANDLE_ERR(nxt_close(nxt), NULL,
"Error while closing connection to NXT");
return 0;
}
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