examples/fxload.c

   1 /*
   2  * Copyright © 2001 Stephen Williams (steve@icarus.com)
   3  * Copyright © 2001-2002 David Brownell (dbrownell@users.sourceforge.net)
   4  * Copyright © 2008 Roger Williams (rawqux@users.sourceforge.net)
   5  * Copyright © 2012 Pete Batard (pete@akeo.ie)
   6  * Copyright © 2013 Federico Manzan (f.manzan@gmail.com)
   7  *
   8  *    This source code is free software; you can redistribute it
   9  *    and/or modify it in source code form under the terms of the GNU
  10  *    General Public License as published by the Free Software
  11  *    Foundation; either version 2 of the License, or (at your option)
  12  *    any later version.
  13  *
  14  *    This program is distributed in the hope that it will be useful,
  15  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *    GNU General Public License for more details.
  18  *
  19  *    You should have received a copy of the GNU General Public License
  20  *    along with this program; if not, write to the Free Software
  21  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  22  */
  23
  24 #include <stdlib.h>
  25 #include <stdio.h>
  26 #include <string.h>
  27 #include <stdint.h>
  28 #include <stdarg.h>
  29 #include <sys/types.h>
  30 #include <getopt.h>
  31
  32 #include "libusb.h"
  33 #include "ezusb.h"
  34
  35 #if !defined(_WIN32) || defined(__CYGWIN__ )
  36 #include <syslog.h>
  37 static bool dosyslog = false;
  38 #include <strings.h>
  39 #define _stricmp strcasecmp
  40 #endif
  41
  42 #ifndef FXLOAD_VERSION
  43 #define FXLOAD_VERSION (__DATE__ " (libusbx)")
  44 #endif
  45
  46 #ifndef ARRAYSIZE
  47 #define ARRAYSIZE(A) (sizeof(A)/sizeof((A)[0]))
  48 #endif
  49
  50 void logerror(const char *format, ...)
  51         __attribute__ ((format (__printf__, 1, 2)));
  52
  53 void logerror(const char *format, ...)
  54 {
  55         va_list ap;
  56         va_start(ap, format);
  57
  58 #if !defined(_WIN32) || defined(__CYGWIN__ )
  59         if (dosyslog)
  60                 vsyslog(LOG_ERR, format, ap);
  61         else
  62 #endif
  63                 vfprintf(stderr, format, ap);
  64         va_end(ap);
  65 }
  66
  67 static int print_usage(int error_code) {
  68         fprintf(stderr, "\nUsage: fxload [-v] [-V] [-t type] [-d vid:pid] [-p bus,addr] -i firmware\n");
  69         fprintf(stderr, "  -i <path>       -- Firmware to upload\n");
  70         fprintf(stderr, "  -t <type>       -- Target type: an21, fx, fx2, fx2lp, fx3\n");
  71         fprintf(stderr, "  -d <vid:pid>    -- Target device, as an USB VID:PID\n");
  72         fprintf(stderr, "  -p <bus,addr>   -- Target device, as a libusbx bus number and device address path\n");
  73         fprintf(stderr, "  -v              -- Increase verbosity\n");
  74         fprintf(stderr, "  -q              -- Decrease verbosity (silent mode)\n");
  75         fprintf(stderr, "  -V              -- Print program version\n");
  76         return error_code;
  77 }
  78
  79 #define FIRMWARE 0
  80 #define LOADER 1
  81 int main(int argc, char*argv[])
  82 {
  83         fx_known_device known_device[] = FX_KNOWN_DEVICES;
  84         const char *path[] = { NULL, NULL };
  85         const char *device_id = NULL;
  86         const char *device_path = getenv("DEVICE");
  87         const char *type = NULL;
  88         const char *fx_name[FX_TYPE_MAX] = FX_TYPE_NAMES;
  89         const char *ext, *img_name[] = IMG_TYPE_NAMES;
  90         int fx_type = FX_TYPE_UNDEFINED, img_type[ARRAYSIZE(path)];
  91         int i, j, opt, status;
  92         unsigned vid = 0, pid = 0;
  93         unsigned busnum = 0, devaddr = 0, _busnum, _devaddr;
  94         libusb_device *dev, **devs;
  95         libusb_device_handle *device = NULL;
  96         struct libusb_device_descriptor desc;
  97
  98         while ((opt = getopt(argc, argv, "qvV?hd:p:i:I:t:")) != EOF)
  99                 switch (opt) {
 100
 101                 case 'd':
 102                         device_id = optarg;
 103                         if (sscanf(device_id, "%x:%x" , &vid, &pid) != 2 ) {
 104                                 fputs ("please specify VID & PID as \"vid:pid\" in hexadecimal format\n", stderr);
 105                                 return -1;
 106                         }
 107                         break;
 108
 109                 case 'p':
 110                         device_path = optarg;
 111                         if (sscanf(device_path, "%u,%u", &busnum, &devaddr) != 2 ) {
 112                                 fputs ("please specify bus number & device number as \"bus,dev\" in decimal format\n", stderr);
 113                                 return -1;
 114                         }
 115                         break;
 116
 117                 case 'i':
 118                 case 'I':
 119                         path[FIRMWARE] = optarg;
 120                         break;
 121
 122                 case 'V':
 123                         puts(FXLOAD_VERSION);
 124                         return 0;
 125
 126                 case 't':
 127                         type = optarg;
 128                         break;
 129
 130                 case 'v':
 131                         verbose++;
 132                         break;
 133
 134                 case 'q':
 135                         verbose--;
 136                         break;
 137
 138                 case '?':
 139                 case 'h':
 140                 default:
 141                         return print_usage(-1);
 142
 143         }
 144
 145         if (path[FIRMWARE] == NULL) {
 146                 logerror("no firmware specified!\n");
 147                 return print_usage(-1);
 148         }
 149         if ((device_id != NULL) && (device_path != NULL)) {
 150                 logerror("only one of -d or -a can be specified\n");
 151                 return print_usage(-1);
 152         }
 153
 154         /* determine the target type */
 155         if (type != NULL) {
 156                 for (i=0; i<FX_TYPE_MAX; i++) {
 157                         if (strcmp(type, fx_name[i]) == 0) {
 158                                 fx_type = i;
 159                                 break;
 160                         }
 161                 }
 162                 if (i >= FX_TYPE_MAX) {
 163                         logerror("illegal microcontroller type: %s\n", type);
 164                         return print_usage(-1);
 165                 }
 166         }
 167
 168         /* open the device using libusbx */
 169         status = libusb_init(NULL);
 170         if (status < 0) {
 171                 logerror("libusb_init() failed: %s\n", libusb_error_name(status));
 172                 return -1;
 173         }
 174         libusb_set_debug(NULL, verbose);
 175
 176         /* try to pick up missing parameters from known devices */
 177         if ((type == NULL) || (device_id == NULL) || (device_path != NULL)) {
 178                 if (libusb_get_device_list(NULL, &devs) < 0) {
 179                         logerror("libusb_get_device_list() failed: %s\n", libusb_error_name(status));
 180                         goto err;
 181                 }
 182                 for (i=0; (dev=devs[i]) != NULL; i++) {
 183                         _busnum = libusb_get_bus_number(dev);
 184                         _devaddr = libusb_get_device_address(dev);
 185                         if ((type != NULL) && (device_path != NULL)) {
 186                                 // if both a type and bus,addr were specified, we just need to find our match
 187                                 if ((libusb_get_bus_number(dev) == busnum) && (libusb_get_device_address(dev) == devaddr))
 188                                         break;
 189                         } else {
 190                                 status = libusb_get_device_descriptor(dev, &desc);
 191                                 if (status >= 0) {
 192                                         if (verbose >= 3) {
 193                                                 logerror("examining %04x:%04x (%d,%d)\n",
 194                                                         desc.idVendor, desc.idProduct, _busnum, _devaddr);
 195                                         }
 196                                         for (j=0; j<ARRAYSIZE(known_device); j++) {
 197                                                 if ((desc.idVendor == known_device[j].vid)
 198                                                         && (desc.idProduct == known_device[j].pid)) {
 199                                                         if (// nothing was specified
 200                                                                 ((type == NULL) && (device_id == NULL) && (device_path == NULL)) ||
 201                                                                 // vid:pid was specified and we have a match
 202                                                                 ((type == NULL) && (device_id != NULL) && (vid == desc.idVendor) && (pid == desc.idProduct)) ||
 203                                                                 // bus,addr was specified and we have a match
 204                                                                 ((type == NULL) && (device_path != NULL) && (busnum == _busnum) && (devaddr == _devaddr)) ||
 205                                                                 // type was specified and we have a match
 206                                                                 ((type != NULL) && (device_id == NULL) && (device_path == NULL) && (fx_type == known_device[j].type)) ) {
 207                                                                 fx_type = known_device[j].type;
 208                                                                 vid = desc.idVendor;
 209                                                                 pid = desc.idProduct;
 210                                                                 busnum = _busnum;
 211                                                                 devaddr = _devaddr;
 212                                                                 break;
 213                                                         }
 214                                                 }
 215                                         }
 216                                         if (j < ARRAYSIZE(known_device)) {
 217                                                 if (verbose)
 218                                                         logerror("found device '%s' [%04x:%04x] (%d,%d)\n",
 219                                                                 known_device[j].designation, vid, pid, busnum, devaddr);
 220                                                 break;
 221                                         }
 222                                 }
 223                         }
 224                 }
 225                 if (dev == NULL) {
 226                         libusb_free_device_list(devs, 1);
 227                         logerror("could not find a known device - please specify type and/or vid:pid and/or bus,dev\n");
 228                         return print_usage(-1);
 229                 }
 230                 status = libusb_open(dev, &device);
 231                 if (status < 0) {
 232                         logerror("libusb_open() failed: %s\n", libusb_error_name(status));
 233                         goto err;
 234                 }
 235                 libusb_free_device_list(devs, 1);
 236         } else if (device_id != NULL) {
 237                 device = libusb_open_device_with_vid_pid(NULL, (uint16_t)vid, (uint16_t)pid);
 238                 if (device == NULL) {
 239                         logerror("libusb_open() failed\n");
 240                         goto err;
 241                 }
 242         }
 243
 244         /* We need to claim the first interface */
 245         libusb_set_auto_detach_kernel_driver(device, 1);
 246         status = libusb_claim_interface(device, 0);
 247         if (status != LIBUSB_SUCCESS) {
 248                 logerror("libusb_claim_interface failed: %s\n", libusb_error_name(status));
 249                 goto err;
 250         }
 251
 252         if (verbose)
 253                 logerror("microcontroller type: %s\n", fx_name[fx_type]);
 254
 255         for (i=0; i<ARRAYSIZE(path); i++) {
 256                 if (path[i] != NULL) {
 257                         ext = path[i] + strlen(path[i]) - 4;
 258                         if ((_stricmp(ext, ".hex") == 0) || (strcmp(ext, ".ihx") == 0))
 259                                 img_type[i] = IMG_TYPE_HEX;
 260                         else if (_stricmp(ext, ".iic") == 0)
 261                                 img_type[i] = IMG_TYPE_IIC;
 262                         else if (_stricmp(ext, ".bix") == 0)
 263                                 img_type[i] = IMG_TYPE_BIX;
 264                         else if (_stricmp(ext, ".img") == 0)
 265                                 img_type[i] = IMG_TYPE_IMG;
 266                         else {
 267                                 logerror("%s is not a recognized image type\n", path[i]);
 268                                 goto err;
 269                         }
 270                 }
 271                 if (verbose && path[i] != NULL)
 272                         logerror("%s: type %s\n", path[i], img_name[img_type[i]]);
 273         }
 274
 275         /* single stage, put into internal memory */
 276         if (verbose > 1)
 277                 logerror("single stage: load on-chip memory\n");
 278         status = ezusb_load_ram(device, path[FIRMWARE], fx_type, img_type[FIRMWARE], 0);
 279
 280         libusb_release_interface(device, 0);
 281         libusb_close(device);
 282         libusb_exit(NULL);
 283         return status;
 284 err:
 285         libusb_exit(NULL);
 286         return -1;
 287 }