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/*
* Copyright © 2001 Stephen Williams (steve@icarus.com)
* Copyright © 2001-2002 David Brownell (dbrownell@users.sourceforge.net)
* Copyright © 2008 Roger Williams (rawqux@users.sourceforge.net)
* Copyright © 2012 Pete Batard (pete@akeo.ie)
* Copyright © 2013 Federico Manzan (f.manzan@gmail.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form 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 <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <stdarg.h>
#include <sys/types.h>
#include <getopt.h>
#include "libusb.h"
#include "ezusb.h"
#if !defined(_WIN32) || defined(__CYGWIN__ )
#include <syslog.h>
static bool dosyslog = false;
#include <strings.h>
#define _stricmp strcasecmp
#endif
#ifndef FXLOAD_VERSION
#define FXLOAD_VERSION (__DATE__ " (libusb)")
#endif
#ifndef ARRAYSIZE
#define ARRAYSIZE(A) (sizeof(A)/sizeof((A)[0]))
#endif
void logerror(const char *format, ...)
__attribute__ ((format (__printf__, 1, 2)));
void logerror(const char *format, ...)
{
va_list ap;
va_start(ap, format);
#if !defined(_WIN32) || defined(__CYGWIN__ )
if (dosyslog)
vsyslog(LOG_ERR, format, ap);
else
#endif
vfprintf(stderr, format, ap);
va_end(ap);
}
static int print_usage(int error_code) {
fprintf(stderr, "\nUsage: fxload [-v] [-V] [-t type] [-d vid:pid] [-p bus,addr] [-s loader] -i firmware\n");
fprintf(stderr, " -i <path> -- Firmware to upload\n");
fprintf(stderr, " -s <path> -- Second stage loader\n");
fprintf(stderr, " -t <type> -- Target type: an21, fx, fx2, fx2lp, fx3\n");
fprintf(stderr, " -d <vid:pid> -- Target device, as an USB VID:PID\n");
fprintf(stderr, " -p <bus,addr> -- Target device, as a libusb bus number and device address path\n");
fprintf(stderr, " -v -- Increase verbosity\n");
fprintf(stderr, " -q -- Decrease verbosity (silent mode)\n");
fprintf(stderr, " -V -- Print program version\n");
return error_code;
}
#define FIRMWARE 0
#define LOADER 1
int main(int argc, char*argv[])
{
fx_known_device known_device[] = FX_KNOWN_DEVICES;
const char *path[] = { NULL, NULL };
const char *device_id = NULL;
const char *device_path = getenv("DEVICE");
const char *type = NULL;
const char *fx_name[FX_TYPE_MAX] = FX_TYPE_NAMES;
const char *ext, *img_name[] = IMG_TYPE_NAMES;
int fx_type = FX_TYPE_UNDEFINED, img_type[ARRAYSIZE(path)];
int opt, status;
unsigned int i, j;
unsigned vid = 0, pid = 0;
unsigned busnum = 0, devaddr = 0, _busnum, _devaddr;
libusb_device *dev, **devs;
libusb_device_handle *device = NULL;
struct libusb_device_descriptor desc;
while ((opt = getopt(argc, argv, "qvV?hd:p:i:I:s:S:t:")) != EOF)
switch (opt) {
case 'd':
device_id = optarg;
if (sscanf(device_id, "%x:%x" , &vid, &pid) != 2 ) {
fputs ("please specify VID & PID as \"vid:pid\" in hexadecimal format\n", stderr);
return -1;
}
break;
case 'p':
device_path = optarg;
if (sscanf(device_path, "%u,%u", &busnum, &devaddr) != 2 ) {
fputs ("please specify bus number & device number as \"bus,dev\" in decimal format\n", stderr);
return -1;
}
break;
case 'i':
case 'I':
path[FIRMWARE] = optarg;
break;
case 's':
case 'S':
path[LOADER] = optarg;
break;
case 'V':
puts(FXLOAD_VERSION);
return 0;
case 't':
type = optarg;
break;
case 'v':
verbose++;
break;
case 'q':
verbose--;
break;
case '?':
case 'h':
default:
return print_usage(-1);
}
if (path[FIRMWARE] == NULL) {
logerror("no firmware specified!\n");
return print_usage(-1);
}
if ((device_id != NULL) && (device_path != NULL)) {
logerror("only one of -d or -p can be specified\n");
return print_usage(-1);
}
/* determine the target type */
if (type != NULL) {
for (i=0; i<FX_TYPE_MAX; i++) {
if (strcmp(type, fx_name[i]) == 0) {
fx_type = i;
break;
}
}
if (i >= FX_TYPE_MAX) {
logerror("illegal microcontroller type: %s\n", type);
return print_usage(-1);
}
}
/* open the device using libusb */
status = libusb_init(NULL);
if (status < 0) {
logerror("libusb_init() failed: %s\n", libusb_error_name(status));
return -1;
}
libusb_set_option(NULL, LIBUSB_OPTION_LOG_LEVEL, verbose);
/* try to pick up missing parameters from known devices */
if ((type == NULL) || (device_id == NULL) || (device_path != NULL)) {
if (libusb_get_device_list(NULL, &devs) < 0) {
logerror("libusb_get_device_list() failed: %s\n", libusb_error_name(status));
goto err;
}
for (i=0; (dev=devs[i]) != NULL; i++) {
_busnum = libusb_get_bus_number(dev);
_devaddr = libusb_get_device_address(dev);
if ((type != NULL) && (device_path != NULL)) {
// if both a type and bus,addr were specified, we just need to find our match
if ((libusb_get_bus_number(dev) == busnum) && (libusb_get_device_address(dev) == devaddr))
break;
} else {
status = libusb_get_device_descriptor(dev, &desc);
if (status >= 0) {
if (verbose >= 3) {
logerror("examining %04x:%04x (%d,%d)\n",
desc.idVendor, desc.idProduct, _busnum, _devaddr);
}
for (j=0; j<ARRAYSIZE(known_device); j++) {
if ((desc.idVendor == known_device[j].vid)
&& (desc.idProduct == known_device[j].pid)) {
if (// nothing was specified
((type == NULL) && (device_id == NULL) && (device_path == NULL)) ||
// vid:pid was specified and we have a match
((type == NULL) && (device_id != NULL) && (vid == desc.idVendor) && (pid == desc.idProduct)) ||
// bus,addr was specified and we have a match
((type == NULL) && (device_path != NULL) && (busnum == _busnum) && (devaddr == _devaddr)) ||
// type was specified and we have a match
((type != NULL) && (device_id == NULL) && (device_path == NULL) && (fx_type == known_device[j].type)) ) {
fx_type = known_device[j].type;
vid = desc.idVendor;
pid = desc.idProduct;
busnum = _busnum;
devaddr = _devaddr;
break;
}
}
}
if (j < ARRAYSIZE(known_device)) {
if (verbose)
logerror("found device '%s' [%04x:%04x] (%d,%d)\n",
known_device[j].designation, vid, pid, busnum, devaddr);
break;
}
}
}
}
if (dev == NULL) {
libusb_free_device_list(devs, 1);
libusb_exit(NULL);
logerror("could not find a known device - please specify type and/or vid:pid and/or bus,dev\n");
return print_usage(-1);
}
status = libusb_open(dev, &device);
libusb_free_device_list(devs, 1);
if (status < 0) {
logerror("libusb_open() failed: %s\n", libusb_error_name(status));
goto err;
}
} else if (device_id != NULL) {
device = libusb_open_device_with_vid_pid(NULL, (uint16_t)vid, (uint16_t)pid);
if (device == NULL) {
logerror("libusb_open() failed\n");
goto err;
}
}
/* We need to claim the first interface */
libusb_set_auto_detach_kernel_driver(device, 1);
status = libusb_claim_interface(device, 0);
if (status != LIBUSB_SUCCESS) {
libusb_close(device);
logerror("libusb_claim_interface failed: %s\n", libusb_error_name(status));
goto err;
}
if (verbose)
logerror("microcontroller type: %s\n", fx_name[fx_type]);
for (i=0; i<ARRAYSIZE(path); i++) {
if (path[i] != NULL) {
ext = path[i] + strlen(path[i]) - 4;
if ((_stricmp(ext, ".hex") == 0) || (strcmp(ext, ".ihx") == 0))
img_type[i] = IMG_TYPE_HEX;
else if (_stricmp(ext, ".iic") == 0)
img_type[i] = IMG_TYPE_IIC;
else if (_stricmp(ext, ".bix") == 0)
img_type[i] = IMG_TYPE_BIX;
else if (_stricmp(ext, ".img") == 0)
img_type[i] = IMG_TYPE_IMG;
else {
logerror("%s is not a recognized image type\n", path[i]);
goto err;
}
}
if (verbose && path[i] != NULL)
logerror("%s: type %s\n", path[i], img_name[img_type[i]]);
}
if (path[LOADER] == NULL) {
/* single stage, put into internal memory */
if (verbose > 1)
logerror("single stage: load on-chip memory\n");
status = ezusb_load_ram(device, path[FIRMWARE], fx_type, img_type[FIRMWARE], 0);
} else {
/* two-stage, put loader into internal memory */
if (verbose > 1)
logerror("1st stage: load 2nd stage loader\n");
status = ezusb_load_ram(device, path[LOADER], fx_type, img_type[LOADER], 0);
if (status == 0) {
/* two-stage, put firmware into internal memory */
if (verbose > 1)
logerror("2nd state: load on-chip memory\n");
status = ezusb_load_ram(device, path[FIRMWARE], fx_type, img_type[FIRMWARE], 1);
}
}
libusb_release_interface(device, 0);
libusb_close(device);
libusb_exit(NULL);
return status;
err:
libusb_exit(NULL);
return -1;
}