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