core: Suppress hotplug events during initial enumeration
[platform/upstream/libusb.git] / examples / xusb.c
1 /*
2  * xusb: Generic USB test program
3  * Copyright © 2009-2012 Pete Batard <pete@akeo.ie>
4  * Contributions to Mass Storage by Alan Stern.
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20
21 #include <stdarg.h>
22 #include <stdbool.h>
23 #include <stdio.h>
24 #include <stdint.h>
25 #include <stdlib.h>
26 #include <string.h>
27 #include <time.h>
28
29 #include "libusb.h"
30
31 #if defined(_MSC_VER)
32 #define snprintf _snprintf
33 #define putenv _putenv
34 #endif
35
36 // Future versions of libusb will use usb_interface instead of interface
37 // in libusb_config_descriptor => catter for that
38 #define usb_interface interface
39
40 // Global variables
41 static bool binary_dump = false;
42 static bool extra_info = false;
43 static bool force_device_request = false;       // For WCID descriptor queries
44 static const char* binary_name = NULL;
45
46 static inline void msleep(int msecs)
47 {
48 #if defined(_WIN32)
49         Sleep(msecs);
50 #else
51         const struct timespec ts = { msecs / 1000, (msecs % 1000) * 1000000L };
52         nanosleep(&ts, NULL);
53 #endif
54 }
55
56 static void perr(char const *format, ...)
57 {
58         va_list args;
59
60         va_start (args, format);
61         vfprintf(stderr, format, args);
62         va_end(args);
63 }
64
65 #define ERR_EXIT(errcode) do { perr("   %s\n", libusb_strerror((enum libusb_error)errcode)); return -1; } while (0)
66 #define CALL_CHECK(fcall) do { int _r=fcall; if (_r < 0) ERR_EXIT(_r); } while (0)
67 #define CALL_CHECK_CLOSE(fcall, hdl) do { int _r=fcall; if (_r < 0) { libusb_close(hdl); ERR_EXIT(_r); } } while (0)
68 #define B(x) (((x)!=0)?1:0)
69 #define be_to_int32(buf) (((buf)[0]<<24)|((buf)[1]<<16)|((buf)[2]<<8)|(buf)[3])
70
71 #define RETRY_MAX                     5
72 #define REQUEST_SENSE_LENGTH          0x12
73 #define INQUIRY_LENGTH                0x24
74 #define READ_CAPACITY_LENGTH          0x08
75
76 // HID Class-Specific Requests values. See section 7.2 of the HID specifications
77 #define HID_GET_REPORT                0x01
78 #define HID_GET_IDLE                  0x02
79 #define HID_GET_PROTOCOL              0x03
80 #define HID_SET_REPORT                0x09
81 #define HID_SET_IDLE                  0x0A
82 #define HID_SET_PROTOCOL              0x0B
83 #define HID_REPORT_TYPE_INPUT         0x01
84 #define HID_REPORT_TYPE_OUTPUT        0x02
85 #define HID_REPORT_TYPE_FEATURE       0x03
86
87 // Mass Storage Requests values. See section 3 of the Bulk-Only Mass Storage Class specifications
88 #define BOMS_RESET                    0xFF
89 #define BOMS_GET_MAX_LUN              0xFE
90
91 // Microsoft OS Descriptor
92 #define MS_OS_DESC_STRING_INDEX         0xEE
93 #define MS_OS_DESC_STRING_LENGTH        0x12
94 #define MS_OS_DESC_VENDOR_CODE_OFFSET   0x10
95 static const uint8_t ms_os_desc_string[] = {
96         MS_OS_DESC_STRING_LENGTH,
97         LIBUSB_DT_STRING,
98         'M', 0, 'S', 0, 'F', 0, 'T', 0, '1', 0, '0', 0, '0', 0,
99 };
100
101 // Section 5.1: Command Block Wrapper (CBW)
102 struct command_block_wrapper {
103         uint8_t dCBWSignature[4];
104         uint32_t dCBWTag;
105         uint32_t dCBWDataTransferLength;
106         uint8_t bmCBWFlags;
107         uint8_t bCBWLUN;
108         uint8_t bCBWCBLength;
109         uint8_t CBWCB[16];
110 };
111
112 // Section 5.2: Command Status Wrapper (CSW)
113 struct command_status_wrapper {
114         uint8_t dCSWSignature[4];
115         uint32_t dCSWTag;
116         uint32_t dCSWDataResidue;
117         uint8_t bCSWStatus;
118 };
119
120 static const uint8_t cdb_length[256] = {
121 //       0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F
122         06,06,06,06,06,06,06,06,06,06,06,06,06,06,06,06,  //  0
123         06,06,06,06,06,06,06,06,06,06,06,06,06,06,06,06,  //  1
124         10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,  //  2
125         10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,  //  3
126         10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,  //  4
127         10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,  //  5
128         00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,  //  6
129         00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,  //  7
130         16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,  //  8
131         16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,  //  9
132         12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,  //  A
133         12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,  //  B
134         00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,  //  C
135         00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,  //  D
136         00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,  //  E
137         00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,  //  F
138 };
139
140 static enum test_type {
141         USE_GENERIC,
142         USE_PS3,
143         USE_XBOX,
144         USE_SCSI,
145         USE_HID,
146 } test_mode;
147 static uint16_t VID, PID;
148
149 static void display_buffer_hex(unsigned char *buffer, unsigned size)
150 {
151         unsigned i, j, k;
152
153         for (i=0; i<size; i+=16) {
154                 printf("\n  %08x  ", i);
155                 for(j=0,k=0; k<16; j++,k++) {
156                         if (i+j < size) {
157                                 printf("%02x", buffer[i+j]);
158                         } else {
159                                 printf("  ");
160                         }
161                         printf(" ");
162                 }
163                 printf(" ");
164                 for(j=0,k=0; k<16; j++,k++) {
165                         if (i+j < size) {
166                                 if ((buffer[i+j] < 32) || (buffer[i+j] > 126)) {
167                                         printf(".");
168                                 } else {
169                                         printf("%c", buffer[i+j]);
170                                 }
171                         }
172                 }
173         }
174         printf("\n" );
175 }
176
177 static char* uuid_to_string(const uint8_t* uuid)
178 {
179         static char uuid_string[40];
180         if (uuid == NULL) return NULL;
181         snprintf(uuid_string, sizeof(uuid_string),
182                 "{%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x}",
183                 uuid[0], uuid[1], uuid[2], uuid[3], uuid[4], uuid[5], uuid[6], uuid[7],
184                 uuid[8], uuid[9], uuid[10], uuid[11], uuid[12], uuid[13], uuid[14], uuid[15]);
185         return uuid_string;
186 }
187
188 // The PS3 Controller is really a HID device that got its HID Report Descriptors
189 // removed by Sony
190 static int display_ps3_status(libusb_device_handle *handle)
191 {
192         uint8_t input_report[49];
193         uint8_t master_bt_address[8];
194         uint8_t device_bt_address[18];
195
196         // Get the controller's bluetooth address of its master device
197         CALL_CHECK(libusb_control_transfer(handle, LIBUSB_ENDPOINT_IN|LIBUSB_REQUEST_TYPE_CLASS|LIBUSB_RECIPIENT_INTERFACE,
198                 HID_GET_REPORT, 0x03f5, 0, master_bt_address, sizeof(master_bt_address), 100));
199         printf("\nMaster's bluetooth address: %02X:%02X:%02X:%02X:%02X:%02X\n", master_bt_address[2], master_bt_address[3],
200                 master_bt_address[4], master_bt_address[5], master_bt_address[6], master_bt_address[7]);
201
202         // Get the controller's bluetooth address
203         CALL_CHECK(libusb_control_transfer(handle, LIBUSB_ENDPOINT_IN|LIBUSB_REQUEST_TYPE_CLASS|LIBUSB_RECIPIENT_INTERFACE,
204                 HID_GET_REPORT, 0x03f2, 0, device_bt_address, sizeof(device_bt_address), 100));
205         printf("\nMaster's bluetooth address: %02X:%02X:%02X:%02X:%02X:%02X\n", device_bt_address[4], device_bt_address[5],
206                 device_bt_address[6], device_bt_address[7], device_bt_address[8], device_bt_address[9]);
207
208         // Get the status of the controller's buttons via its HID report
209         printf("\nReading PS3 Input Report...\n");
210         CALL_CHECK(libusb_control_transfer(handle, LIBUSB_ENDPOINT_IN|LIBUSB_REQUEST_TYPE_CLASS|LIBUSB_RECIPIENT_INTERFACE,
211                 HID_GET_REPORT, (HID_REPORT_TYPE_INPUT<<8)|0x01, 0, input_report, sizeof(input_report), 1000));
212         switch(input_report[2]){        /** Direction pad plus start, select, and joystick buttons */
213                 case 0x01:
214                         printf("\tSELECT pressed\n");
215                         break;
216                 case 0x02:
217                         printf("\tLEFT 3 pressed\n");
218                         break;
219                 case 0x04:
220                         printf("\tRIGHT 3 pressed\n");
221                         break;
222                 case 0x08:
223                         printf("\tSTART pressed\n");
224                         break;
225                 case 0x10:
226                         printf("\tUP pressed\n");
227                         break;
228                 case 0x20:
229                         printf("\tRIGHT pressed\n");
230                         break;
231                 case 0x40:
232                         printf("\tDOWN pressed\n");
233                         break;
234                 case 0x80:
235                         printf("\tLEFT pressed\n");
236                         break;
237         }
238         switch(input_report[3]){        /** Shapes plus top right and left buttons */
239                 case 0x01:
240                         printf("\tLEFT 2 pressed\n");
241                         break;
242                 case 0x02:
243                         printf("\tRIGHT 2 pressed\n");
244                         break;
245                 case 0x04:
246                         printf("\tLEFT 1 pressed\n");
247                         break;
248                 case 0x08:
249                         printf("\tRIGHT 1 pressed\n");
250                         break;
251                 case 0x10:
252                         printf("\tTRIANGLE pressed\n");
253                         break;
254                 case 0x20:
255                         printf("\tCIRCLE pressed\n");
256                         break;
257                 case 0x40:
258                         printf("\tCROSS pressed\n");
259                         break;
260                 case 0x80:
261                         printf("\tSQUARE pressed\n");
262                         break;
263         }
264         printf("\tPS button: %d\n", input_report[4]);
265         printf("\tLeft Analog (X,Y): (%d,%d)\n", input_report[6], input_report[7]);
266         printf("\tRight Analog (X,Y): (%d,%d)\n", input_report[8], input_report[9]);
267         printf("\tL2 Value: %d\tR2 Value: %d\n", input_report[18], input_report[19]);
268         printf("\tL1 Value: %d\tR1 Value: %d\n", input_report[20], input_report[21]);
269         printf("\tRoll (x axis): %d Yaw (y axis): %d Pitch (z axis) %d\n",
270                         //(((input_report[42] + 128) % 256) - 128),
271                         (int8_t)(input_report[42]),
272                         (int8_t)(input_report[44]),
273                         (int8_t)(input_report[46]));
274         printf("\tAcceleration: %d\n\n", (int8_t)(input_report[48]));
275         return 0;
276 }
277 // The XBOX Controller is really a HID device that got its HID Report Descriptors
278 // removed by Microsoft.
279 // Input/Output reports described at http://euc.jp/periphs/xbox-controller.ja.html
280 static int display_xbox_status(libusb_device_handle *handle)
281 {
282         uint8_t input_report[20];
283         printf("\nReading XBox Input Report...\n");
284         CALL_CHECK(libusb_control_transfer(handle, LIBUSB_ENDPOINT_IN|LIBUSB_REQUEST_TYPE_CLASS|LIBUSB_RECIPIENT_INTERFACE,
285                 HID_GET_REPORT, (HID_REPORT_TYPE_INPUT<<8)|0x00, 0, input_report, 20, 1000));
286         printf("   D-pad: %02X\n", input_report[2]&0x0F);
287         printf("   Start:%d, Back:%d, Left Stick Press:%d, Right Stick Press:%d\n", B(input_report[2]&0x10), B(input_report[2]&0x20),
288                 B(input_report[2]&0x40), B(input_report[2]&0x80));
289         // A, B, X, Y, Black, White are pressure sensitive
290         printf("   A:%d, B:%d, X:%d, Y:%d, White:%d, Black:%d\n", input_report[4], input_report[5],
291                 input_report[6], input_report[7], input_report[9], input_report[8]);
292         printf("   Left Trigger: %d, Right Trigger: %d\n", input_report[10], input_report[11]);
293         printf("   Left Analog (X,Y): (%d,%d)\n", (int16_t)((input_report[13]<<8)|input_report[12]),
294                 (int16_t)((input_report[15]<<8)|input_report[14]));
295         printf("   Right Analog (X,Y): (%d,%d)\n", (int16_t)((input_report[17]<<8)|input_report[16]),
296                 (int16_t)((input_report[19]<<8)|input_report[18]));
297         return 0;
298 }
299
300 static int set_xbox_actuators(libusb_device_handle *handle, uint8_t left, uint8_t right)
301 {
302         uint8_t output_report[6];
303
304         printf("\nWriting XBox Controller Output Report...\n");
305
306         memset(output_report, 0, sizeof(output_report));
307         output_report[1] = sizeof(output_report);
308         output_report[3] = left;
309         output_report[5] = right;
310
311         CALL_CHECK(libusb_control_transfer(handle, LIBUSB_ENDPOINT_OUT|LIBUSB_REQUEST_TYPE_CLASS|LIBUSB_RECIPIENT_INTERFACE,
312                 HID_SET_REPORT, (HID_REPORT_TYPE_OUTPUT<<8)|0x00, 0, output_report, 06, 1000));
313         return 0;
314 }
315
316 static int send_mass_storage_command(libusb_device_handle *handle, uint8_t endpoint, uint8_t lun,
317         uint8_t *cdb, uint8_t direction, int data_length, uint32_t *ret_tag)
318 {
319         static uint32_t tag = 1;
320         uint8_t cdb_len;
321         int i, r, size;
322         struct command_block_wrapper cbw;
323
324         if (cdb == NULL) {
325                 return -1;
326         }
327
328         if (endpoint & LIBUSB_ENDPOINT_IN) {
329                 perr("send_mass_storage_command: cannot send command on IN endpoint\n");
330                 return -1;
331         }
332
333         cdb_len = cdb_length[cdb[0]];
334         if ((cdb_len == 0) || (cdb_len > sizeof(cbw.CBWCB))) {
335                 perr("send_mass_storage_command: don't know how to handle this command (%02X, length %d)\n",
336                         cdb[0], cdb_len);
337                 return -1;
338         }
339
340         memset(&cbw, 0, sizeof(cbw));
341         cbw.dCBWSignature[0] = 'U';
342         cbw.dCBWSignature[1] = 'S';
343         cbw.dCBWSignature[2] = 'B';
344         cbw.dCBWSignature[3] = 'C';
345         *ret_tag = tag;
346         cbw.dCBWTag = tag++;
347         cbw.dCBWDataTransferLength = data_length;
348         cbw.bmCBWFlags = direction;
349         cbw.bCBWLUN = lun;
350         // Subclass is 1 or 6 => cdb_len
351         cbw.bCBWCBLength = cdb_len;
352         memcpy(cbw.CBWCB, cdb, cdb_len);
353
354         i = 0;
355         do {
356                 // The transfer length must always be exactly 31 bytes.
357                 r = libusb_bulk_transfer(handle, endpoint, (unsigned char*)&cbw, 31, &size, 1000);
358                 if (r == LIBUSB_ERROR_PIPE) {
359                         libusb_clear_halt(handle, endpoint);
360                 }
361                 i++;
362         } while ((r == LIBUSB_ERROR_PIPE) && (i<RETRY_MAX));
363         if (r != LIBUSB_SUCCESS) {
364                 perr("   send_mass_storage_command: %s\n", libusb_strerror((enum libusb_error)r));
365                 return -1;
366         }
367
368         printf("   sent %d CDB bytes\n", cdb_len);
369         return 0;
370 }
371
372 static int get_mass_storage_status(libusb_device_handle *handle, uint8_t endpoint, uint32_t expected_tag)
373 {
374         int i, r, size;
375         struct command_status_wrapper csw;
376
377         // The device is allowed to STALL this transfer. If it does, you have to
378         // clear the stall and try again.
379         i = 0;
380         do {
381                 r = libusb_bulk_transfer(handle, endpoint, (unsigned char*)&csw, 13, &size, 1000);
382                 if (r == LIBUSB_ERROR_PIPE) {
383                         libusb_clear_halt(handle, endpoint);
384                 }
385                 i++;
386         } while ((r == LIBUSB_ERROR_PIPE) && (i<RETRY_MAX));
387         if (r != LIBUSB_SUCCESS) {
388                 perr("   get_mass_storage_status: %s\n", libusb_strerror((enum libusb_error)r));
389                 return -1;
390         }
391         if (size != 13) {
392                 perr("   get_mass_storage_status: received %d bytes (expected 13)\n", size);
393                 return -1;
394         }
395         if (csw.dCSWTag != expected_tag) {
396                 perr("   get_mass_storage_status: mismatched tags (expected %08X, received %08X)\n",
397                         expected_tag, csw.dCSWTag);
398                 return -1;
399         }
400         // For this test, we ignore the dCSWSignature check for validity...
401         printf("   Mass Storage Status: %02X (%s)\n", csw.bCSWStatus, csw.bCSWStatus?"FAILED":"Success");
402         if (csw.dCSWTag != expected_tag)
403                 return -1;
404         if (csw.bCSWStatus) {
405                 // REQUEST SENSE is appropriate only if bCSWStatus is 1, meaning that the
406                 // command failed somehow.  Larger values (2 in particular) mean that
407                 // the command couldn't be understood.
408                 if (csw.bCSWStatus == 1)
409                         return -2;      // request Get Sense
410                 else
411                         return -1;
412         }
413
414         // In theory we also should check dCSWDataResidue.  But lots of devices
415         // set it wrongly.
416         return 0;
417 }
418
419 static void get_sense(libusb_device_handle *handle, uint8_t endpoint_in, uint8_t endpoint_out)
420 {
421         uint8_t cdb[16];        // SCSI Command Descriptor Block
422         uint8_t sense[18];
423         uint32_t expected_tag;
424         int size;
425         int rc;
426
427         // Request Sense
428         printf("Request Sense:\n");
429         memset(sense, 0, sizeof(sense));
430         memset(cdb, 0, sizeof(cdb));
431         cdb[0] = 0x03;  // Request Sense
432         cdb[4] = REQUEST_SENSE_LENGTH;
433
434         send_mass_storage_command(handle, endpoint_out, 0, cdb, LIBUSB_ENDPOINT_IN, REQUEST_SENSE_LENGTH, &expected_tag);
435         rc = libusb_bulk_transfer(handle, endpoint_in, (unsigned char*)&sense, REQUEST_SENSE_LENGTH, &size, 1000);
436         if (rc < 0)
437         {
438                 printf("libusb_bulk_transfer failed: %s\n", libusb_error_name(rc));
439                 return;
440         }
441         printf("   received %d bytes\n", size);
442
443         if ((sense[0] != 0x70) && (sense[0] != 0x71)) {
444                 perr("   ERROR No sense data\n");
445         } else {
446                 perr("   ERROR Sense: %02X %02X %02X\n", sense[2]&0x0F, sense[12], sense[13]);
447         }
448         // Strictly speaking, the get_mass_storage_status() call should come
449         // before these perr() lines.  If the status is nonzero then we must
450         // assume there's no data in the buffer.  For xusb it doesn't matter.
451         get_mass_storage_status(handle, endpoint_in, expected_tag);
452 }
453
454 // Mass Storage device to test bulk transfers (non destructive test)
455 static int test_mass_storage(libusb_device_handle *handle, uint8_t endpoint_in, uint8_t endpoint_out)
456 {
457         int r, size;
458         uint8_t lun;
459         uint32_t expected_tag;
460         uint32_t i, max_lba, block_size;
461         double device_size;
462         uint8_t cdb[16];        // SCSI Command Descriptor Block
463         uint8_t buffer[64];
464         char vid[9], pid[9], rev[5];
465         unsigned char *data;
466         FILE *fd;
467
468         printf("Reading Max LUN:\n");
469         r = libusb_control_transfer(handle, LIBUSB_ENDPOINT_IN|LIBUSB_REQUEST_TYPE_CLASS|LIBUSB_RECIPIENT_INTERFACE,
470                 BOMS_GET_MAX_LUN, 0, 0, &lun, 1, 1000);
471         // Some devices send a STALL instead of the actual value.
472         // In such cases we should set lun to 0.
473         if (r == 0) {
474                 lun = 0;
475         } else if (r < 0) {
476                 perr("   Failed: %s", libusb_strerror((enum libusb_error)r));
477         }
478         printf("   Max LUN = %d\n", lun);
479
480         // Send Inquiry
481         printf("Sending Inquiry:\n");
482         memset(buffer, 0, sizeof(buffer));
483         memset(cdb, 0, sizeof(cdb));
484         cdb[0] = 0x12;  // Inquiry
485         cdb[4] = INQUIRY_LENGTH;
486
487         send_mass_storage_command(handle, endpoint_out, lun, cdb, LIBUSB_ENDPOINT_IN, INQUIRY_LENGTH, &expected_tag);
488         CALL_CHECK(libusb_bulk_transfer(handle, endpoint_in, (unsigned char*)&buffer, INQUIRY_LENGTH, &size, 1000));
489         printf("   received %d bytes\n", size);
490         // The following strings are not zero terminated
491         for (i=0; i<8; i++) {
492                 vid[i] = buffer[8+i];
493                 pid[i] = buffer[16+i];
494                 rev[i/2] = buffer[32+i/2];      // instead of another loop
495         }
496         vid[8] = 0;
497         pid[8] = 0;
498         rev[4] = 0;
499         printf("   VID:PID:REV \"%8s\":\"%8s\":\"%4s\"\n", vid, pid, rev);
500         if (get_mass_storage_status(handle, endpoint_in, expected_tag) == -2) {
501                 get_sense(handle, endpoint_in, endpoint_out);
502         }
503
504         // Read capacity
505         printf("Reading Capacity:\n");
506         memset(buffer, 0, sizeof(buffer));
507         memset(cdb, 0, sizeof(cdb));
508         cdb[0] = 0x25;  // Read Capacity
509
510         send_mass_storage_command(handle, endpoint_out, lun, cdb, LIBUSB_ENDPOINT_IN, READ_CAPACITY_LENGTH, &expected_tag);
511         CALL_CHECK(libusb_bulk_transfer(handle, endpoint_in, (unsigned char*)&buffer, READ_CAPACITY_LENGTH, &size, 1000));
512         printf("   received %d bytes\n", size);
513         max_lba = be_to_int32(&buffer[0]);
514         block_size = be_to_int32(&buffer[4]);
515         device_size = ((double)(max_lba+1))*block_size/(1024*1024*1024);
516         printf("   Max LBA: %08X, Block Size: %08X (%.2f GB)\n", max_lba, block_size, device_size);
517         if (get_mass_storage_status(handle, endpoint_in, expected_tag) == -2) {
518                 get_sense(handle, endpoint_in, endpoint_out);
519         }
520
521         // coverity[tainted_data]
522         data = (unsigned char*) calloc(1, block_size);
523         if (data == NULL) {
524                 perr("   unable to allocate data buffer\n");
525                 return -1;
526         }
527
528         // Send Read
529         printf("Attempting to read %u bytes:\n", block_size);
530         memset(cdb, 0, sizeof(cdb));
531
532         cdb[0] = 0x28;  // Read(10)
533         cdb[8] = 0x01;  // 1 block
534
535         send_mass_storage_command(handle, endpoint_out, lun, cdb, LIBUSB_ENDPOINT_IN, block_size, &expected_tag);
536         libusb_bulk_transfer(handle, endpoint_in, data, block_size, &size, 5000);
537         printf("   READ: received %d bytes\n", size);
538         if (get_mass_storage_status(handle, endpoint_in, expected_tag) == -2) {
539                 get_sense(handle, endpoint_in, endpoint_out);
540         } else {
541                 display_buffer_hex(data, size);
542                 if ((binary_dump) && ((fd = fopen(binary_name, "w")) != NULL)) {
543                         if (fwrite(data, 1, (size_t)size, fd) != (unsigned int)size) {
544                                 perr("   unable to write binary data\n");
545                         }
546                         fclose(fd);
547                 }
548         }
549         free(data);
550
551         return 0;
552 }
553
554 // HID
555 static int get_hid_record_size(uint8_t *hid_report_descriptor, int size, int type)
556 {
557         uint8_t i, j = 0;
558         uint8_t offset;
559         int record_size[3] = {0, 0, 0};
560         int nb_bits = 0, nb_items = 0;
561         bool found_record_marker;
562
563         found_record_marker = false;
564         for (i = hid_report_descriptor[0]+1; i < size; i += offset) {
565                 offset = (hid_report_descriptor[i]&0x03) + 1;
566                 if (offset == 4)
567                         offset = 5;
568                 switch (hid_report_descriptor[i] & 0xFC) {
569                 case 0x74:      // bitsize
570                         nb_bits = hid_report_descriptor[i+1];
571                         break;
572                 case 0x94:      // count
573                         nb_items = 0;
574                         for (j=1; j<offset; j++) {
575                                 nb_items = ((uint32_t)hid_report_descriptor[i+j]) << (8*(j-1));
576                         }
577                         break;
578                 case 0x80:      // input
579                         found_record_marker = true;
580                         j = 0;
581                         break;
582                 case 0x90:      // output
583                         found_record_marker = true;
584                         j = 1;
585                         break;
586                 case 0xb0:      // feature
587                         found_record_marker = true;
588                         j = 2;
589                         break;
590                 case 0xC0:      // end of collection
591                         nb_items = 0;
592                         nb_bits = 0;
593                         break;
594                 default:
595                         continue;
596                 }
597                 if (found_record_marker) {
598                         found_record_marker = false;
599                         record_size[j] += nb_items*nb_bits;
600                 }
601         }
602         if ((type < HID_REPORT_TYPE_INPUT) || (type > HID_REPORT_TYPE_FEATURE)) {
603                 return 0;
604         } else {
605                 return (record_size[type - HID_REPORT_TYPE_INPUT]+7)/8;
606         }
607 }
608
609 static int test_hid(libusb_device_handle *handle, uint8_t endpoint_in)
610 {
611         int r, size, descriptor_size;
612         uint8_t hid_report_descriptor[256];
613         uint8_t *report_buffer;
614         FILE *fd;
615
616         printf("\nReading HID Report Descriptors:\n");
617         descriptor_size = libusb_control_transfer(handle, LIBUSB_ENDPOINT_IN|LIBUSB_REQUEST_TYPE_STANDARD|LIBUSB_RECIPIENT_INTERFACE,
618                 LIBUSB_REQUEST_GET_DESCRIPTOR, LIBUSB_DT_REPORT<<8, 0, hid_report_descriptor, sizeof(hid_report_descriptor), 1000);
619         if (descriptor_size < 0) {
620                 printf("   Failed\n");
621                 return -1;
622         }
623         display_buffer_hex(hid_report_descriptor, descriptor_size);
624         if ((binary_dump) && ((fd = fopen(binary_name, "w")) != NULL)) {
625                 if (fwrite(hid_report_descriptor, 1, descriptor_size, fd) != (size_t)descriptor_size) {
626                         printf("   Error writing descriptor to file\n");
627                 }
628                 fclose(fd);
629         }
630
631         size = get_hid_record_size(hid_report_descriptor, descriptor_size, HID_REPORT_TYPE_FEATURE);
632         if (size <= 0) {
633                 printf("\nSkipping Feature Report readout (None detected)\n");
634         } else {
635                 report_buffer = (uint8_t*) calloc(size, 1);
636                 if (report_buffer == NULL) {
637                         return -1;
638                 }
639
640                 printf("\nReading Feature Report (length %d)...\n", size);
641                 r = libusb_control_transfer(handle, LIBUSB_ENDPOINT_IN|LIBUSB_REQUEST_TYPE_CLASS|LIBUSB_RECIPIENT_INTERFACE,
642                         HID_GET_REPORT, (HID_REPORT_TYPE_FEATURE<<8)|0, 0, report_buffer, (uint16_t)size, 5000);
643                 if (r >= 0) {
644                         display_buffer_hex(report_buffer, size);
645                 } else {
646                         switch(r) {
647                         case LIBUSB_ERROR_NOT_FOUND:
648                                 printf("   No Feature Report available for this device\n");
649                                 break;
650                         case LIBUSB_ERROR_PIPE:
651                                 printf("   Detected stall - resetting pipe...\n");
652                                 libusb_clear_halt(handle, 0);
653                                 break;
654                         default:
655                                 printf("   Error: %s\n", libusb_strerror((enum libusb_error)r));
656                                 break;
657                         }
658                 }
659                 free(report_buffer);
660         }
661
662         size = get_hid_record_size(hid_report_descriptor, descriptor_size, HID_REPORT_TYPE_INPUT);
663         if (size <= 0) {
664                 printf("\nSkipping Input Report readout (None detected)\n");
665         } else {
666                 report_buffer = (uint8_t*) calloc(size, 1);
667                 if (report_buffer == NULL) {
668                         return -1;
669                 }
670
671                 printf("\nReading Input Report (length %d)...\n", size);
672                 r = libusb_control_transfer(handle, LIBUSB_ENDPOINT_IN|LIBUSB_REQUEST_TYPE_CLASS|LIBUSB_RECIPIENT_INTERFACE,
673                         HID_GET_REPORT, (HID_REPORT_TYPE_INPUT<<8)|0x00, 0, report_buffer, (uint16_t)size, 5000);
674                 if (r >= 0) {
675                         display_buffer_hex(report_buffer, size);
676                 } else {
677                         switch(r) {
678                         case LIBUSB_ERROR_TIMEOUT:
679                                 printf("   Timeout! Please make sure you act on the device within the 5 seconds allocated...\n");
680                                 break;
681                         case LIBUSB_ERROR_PIPE:
682                                 printf("   Detected stall - resetting pipe...\n");
683                                 libusb_clear_halt(handle, 0);
684                                 break;
685                         default:
686                                 printf("   Error: %s\n", libusb_strerror((enum libusb_error)r));
687                                 break;
688                         }
689                 }
690
691                 // Attempt a bulk read from endpoint 0 (this should just return a raw input report)
692                 printf("\nTesting interrupt read using endpoint %02X...\n", endpoint_in);
693                 r = libusb_interrupt_transfer(handle, endpoint_in, report_buffer, size, &size, 5000);
694                 if (r >= 0) {
695                         display_buffer_hex(report_buffer, size);
696                 } else {
697                         printf("   %s\n", libusb_strerror((enum libusb_error)r));
698                 }
699
700                 free(report_buffer);
701         }
702         return 0;
703 }
704
705 // Read the MS WinUSB Feature Descriptors, that are used on Windows 8 for automated driver installation
706 static void read_ms_winsub_feature_descriptors(libusb_device_handle *handle, uint8_t bRequest, int iface_number)
707 {
708 #define MAX_OS_FD_LENGTH 256
709         int i, r;
710         uint8_t os_desc[MAX_OS_FD_LENGTH];
711         uint32_t length;
712         void* le_type_punning_IS_fine;
713         struct {
714                 const char* desc;
715                 uint8_t recipient;
716                 uint16_t index;
717                 uint16_t header_size;
718         } os_fd[2] = {
719                 {"Extended Compat ID", LIBUSB_RECIPIENT_DEVICE, 0x0004, 0x10},
720                 {"Extended Properties", LIBUSB_RECIPIENT_INTERFACE, 0x0005, 0x0A}
721         };
722
723         if (iface_number < 0) return;
724         // WinUSB has a limitation that forces wIndex to the interface number when issuing
725         // an Interface Request. To work around that, we can force a Device Request for
726         // the Extended Properties, assuming the device answers both equally.
727         if (force_device_request)
728                 os_fd[1].recipient = LIBUSB_RECIPIENT_DEVICE;
729
730         for (i=0; i<2; i++) {
731                 printf("\nReading %s OS Feature Descriptor (wIndex = 0x%04d):\n", os_fd[i].desc, os_fd[i].index);
732
733                 // Read the header part
734                 r = libusb_control_transfer(handle, (uint8_t)(LIBUSB_ENDPOINT_IN|LIBUSB_REQUEST_TYPE_VENDOR|os_fd[i].recipient),
735                         bRequest, (uint16_t)(((iface_number)<< 8)|0x00), os_fd[i].index, os_desc, os_fd[i].header_size, 1000);
736                 if (r < os_fd[i].header_size) {
737                         perr("   Failed: %s", (r<0)?libusb_strerror((enum libusb_error)r):"header size is too small");
738                         return;
739                 }
740                 le_type_punning_IS_fine = (void*)os_desc;
741                 length = *((uint32_t*)le_type_punning_IS_fine);
742                 if (length > MAX_OS_FD_LENGTH) {
743                         length = MAX_OS_FD_LENGTH;
744                 }
745
746                 // Read the full feature descriptor
747                 r = libusb_control_transfer(handle, (uint8_t)(LIBUSB_ENDPOINT_IN|LIBUSB_REQUEST_TYPE_VENDOR|os_fd[i].recipient),
748                         bRequest, (uint16_t)(((iface_number)<< 8)|0x00), os_fd[i].index, os_desc, (uint16_t)length, 1000);
749                 if (r < 0) {
750                         perr("   Failed: %s", libusb_strerror((enum libusb_error)r));
751                         return;
752                 } else {
753                         display_buffer_hex(os_desc, r);
754                 }
755         }
756 }
757
758 static void print_device_cap(struct libusb_bos_dev_capability_descriptor *dev_cap)
759 {
760         switch(dev_cap->bDevCapabilityType) {
761         case LIBUSB_BT_USB_2_0_EXTENSION: {
762                 struct libusb_usb_2_0_extension_descriptor *usb_2_0_ext = NULL;
763                 libusb_get_usb_2_0_extension_descriptor(NULL, dev_cap, &usb_2_0_ext);
764                 if (usb_2_0_ext) {
765                         printf("    USB 2.0 extension:\n");
766                         printf("      attributes             : %02X\n", usb_2_0_ext->bmAttributes);
767                         libusb_free_usb_2_0_extension_descriptor(usb_2_0_ext);
768                 }
769                 break;
770         }
771         case LIBUSB_BT_SS_USB_DEVICE_CAPABILITY: {
772                 struct libusb_ss_usb_device_capability_descriptor *ss_usb_device_cap = NULL;
773                 libusb_get_ss_usb_device_capability_descriptor(NULL, dev_cap, &ss_usb_device_cap);
774                 if (ss_usb_device_cap) {
775                         printf("    USB 3.0 capabilities:\n");
776                         printf("      attributes             : %02X\n", ss_usb_device_cap->bmAttributes);
777                         printf("      supported speeds       : %04X\n", ss_usb_device_cap->wSpeedSupported);
778                         printf("      supported functionality: %02X\n", ss_usb_device_cap->bFunctionalitySupport);
779                         libusb_free_ss_usb_device_capability_descriptor(ss_usb_device_cap);
780                 }
781                 break;
782         }
783         case LIBUSB_BT_CONTAINER_ID: {
784                 struct libusb_container_id_descriptor *container_id = NULL;
785                 libusb_get_container_id_descriptor(NULL, dev_cap, &container_id);
786                 if (container_id) {
787                         printf("    Container ID:\n      %s\n", uuid_to_string(container_id->ContainerID));
788                         libusb_free_container_id_descriptor(container_id);
789                 }
790                 break;
791         }
792         default:
793                 printf("    Unknown BOS device capability %02x:\n", dev_cap->bDevCapabilityType);
794         }
795 }
796
797 static int test_device(uint16_t vid, uint16_t pid)
798 {
799         libusb_device_handle *handle;
800         libusb_device *dev;
801         uint8_t bus, port_path[8];
802         struct libusb_bos_descriptor *bos_desc;
803         struct libusb_config_descriptor *conf_desc;
804         const struct libusb_endpoint_descriptor *endpoint;
805         int i, j, k, r;
806         int iface, nb_ifaces, first_iface = -1;
807         struct libusb_device_descriptor dev_desc;
808         const char* const speed_name[6] = { "Unknown", "1.5 Mbit/s (USB LowSpeed)", "12 Mbit/s (USB FullSpeed)",
809                 "480 Mbit/s (USB HighSpeed)", "5000 Mbit/s (USB SuperSpeed)", "10000 Mbit/s (USB SuperSpeedPlus)" };
810         char string[128];
811         uint8_t string_index[3];        // indexes of the string descriptors
812         uint8_t endpoint_in = 0, endpoint_out = 0;      // default IN and OUT endpoints
813
814         printf("Opening device %04X:%04X...\n", vid, pid);
815         handle = libusb_open_device_with_vid_pid(NULL, vid, pid);
816
817         if (handle == NULL) {
818                 perr("  Failed.\n");
819                 return -1;
820         }
821
822         dev = libusb_get_device(handle);
823         bus = libusb_get_bus_number(dev);
824         if (extra_info) {
825                 r = libusb_get_port_numbers(dev, port_path, sizeof(port_path));
826                 if (r > 0) {
827                         printf("\nDevice properties:\n");
828                         printf("        bus number: %d\n", bus);
829                         printf("         port path: %d", port_path[0]);
830                         for (i=1; i<r; i++) {
831                                 printf("->%d", port_path[i]);
832                         }
833                         printf(" (from root hub)\n");
834                 }
835                 r = libusb_get_device_speed(dev);
836                 if ((r<0) || (r>5)) r=0;
837                 printf("             speed: %s\n", speed_name[r]);
838         }
839
840         printf("\nReading device descriptor:\n");
841         CALL_CHECK_CLOSE(libusb_get_device_descriptor(dev, &dev_desc), handle);
842         printf("            length: %d\n", dev_desc.bLength);
843         printf("      device class: %d\n", dev_desc.bDeviceClass);
844         printf("               S/N: %d\n", dev_desc.iSerialNumber);
845         printf("           VID:PID: %04X:%04X\n", dev_desc.idVendor, dev_desc.idProduct);
846         printf("         bcdDevice: %04X\n", dev_desc.bcdDevice);
847         printf("   iMan:iProd:iSer: %d:%d:%d\n", dev_desc.iManufacturer, dev_desc.iProduct, dev_desc.iSerialNumber);
848         printf("          nb confs: %d\n", dev_desc.bNumConfigurations);
849         // Copy the string descriptors for easier parsing
850         string_index[0] = dev_desc.iManufacturer;
851         string_index[1] = dev_desc.iProduct;
852         string_index[2] = dev_desc.iSerialNumber;
853
854         printf("\nReading BOS descriptor: ");
855         if (libusb_get_bos_descriptor(handle, &bos_desc) == LIBUSB_SUCCESS) {
856                 printf("%d caps\n", bos_desc->bNumDeviceCaps);
857                 for (i = 0; i < bos_desc->bNumDeviceCaps; i++)
858                         print_device_cap(bos_desc->dev_capability[i]);
859                 libusb_free_bos_descriptor(bos_desc);
860         } else {
861                 printf("no descriptor\n");
862         }
863
864         printf("\nReading first configuration descriptor:\n");
865         CALL_CHECK_CLOSE(libusb_get_config_descriptor(dev, 0, &conf_desc), handle);
866         printf("              total length: %d\n", conf_desc->wTotalLength);
867         printf("         descriptor length: %d\n", conf_desc->bLength);
868         nb_ifaces = conf_desc->bNumInterfaces;
869         printf("             nb interfaces: %d\n", nb_ifaces);
870         if (nb_ifaces > 0)
871                 first_iface = conf_desc->usb_interface[0].altsetting[0].bInterfaceNumber;
872         for (i=0; i<nb_ifaces; i++) {
873                 printf("              interface[%d]: id = %d\n", i,
874                         conf_desc->usb_interface[i].altsetting[0].bInterfaceNumber);
875                 for (j=0; j<conf_desc->usb_interface[i].num_altsetting; j++) {
876                         printf("interface[%d].altsetting[%d]: num endpoints = %d\n",
877                                 i, j, conf_desc->usb_interface[i].altsetting[j].bNumEndpoints);
878                         printf("   Class.SubClass.Protocol: %02X.%02X.%02X\n",
879                                 conf_desc->usb_interface[i].altsetting[j].bInterfaceClass,
880                                 conf_desc->usb_interface[i].altsetting[j].bInterfaceSubClass,
881                                 conf_desc->usb_interface[i].altsetting[j].bInterfaceProtocol);
882                         if ( (conf_desc->usb_interface[i].altsetting[j].bInterfaceClass == LIBUSB_CLASS_MASS_STORAGE)
883                           && ( (conf_desc->usb_interface[i].altsetting[j].bInterfaceSubClass == 0x01)
884                           || (conf_desc->usb_interface[i].altsetting[j].bInterfaceSubClass == 0x06) )
885                           && (conf_desc->usb_interface[i].altsetting[j].bInterfaceProtocol == 0x50) ) {
886                                 // Mass storage devices that can use basic SCSI commands
887                                 test_mode = USE_SCSI;
888                         }
889                         for (k=0; k<conf_desc->usb_interface[i].altsetting[j].bNumEndpoints; k++) {
890                                 struct libusb_ss_endpoint_companion_descriptor *ep_comp = NULL;
891                                 endpoint = &conf_desc->usb_interface[i].altsetting[j].endpoint[k];
892                                 printf("       endpoint[%d].address: %02X\n", k, endpoint->bEndpointAddress);
893                                 // Use the first interrupt or bulk IN/OUT endpoints as default for testing
894                                 if ((endpoint->bmAttributes & LIBUSB_TRANSFER_TYPE_MASK) & (LIBUSB_TRANSFER_TYPE_BULK | LIBUSB_TRANSFER_TYPE_INTERRUPT)) {
895                                         if (endpoint->bEndpointAddress & LIBUSB_ENDPOINT_IN) {
896                                                 if (!endpoint_in)
897                                                         endpoint_in = endpoint->bEndpointAddress;
898                                         } else {
899                                                 if (!endpoint_out)
900                                                         endpoint_out = endpoint->bEndpointAddress;
901                                         }
902                                 }
903                                 printf("           max packet size: %04X\n", endpoint->wMaxPacketSize);
904                                 printf("          polling interval: %02X\n", endpoint->bInterval);
905                                 libusb_get_ss_endpoint_companion_descriptor(NULL, endpoint, &ep_comp);
906                                 if (ep_comp) {
907                                         printf("                 max burst: %02X   (USB 3.0)\n", ep_comp->bMaxBurst);
908                                         printf("        bytes per interval: %04X (USB 3.0)\n", ep_comp->wBytesPerInterval);
909                                         libusb_free_ss_endpoint_companion_descriptor(ep_comp);
910                                 }
911                         }
912                 }
913         }
914         libusb_free_config_descriptor(conf_desc);
915
916         libusb_set_auto_detach_kernel_driver(handle, 1);
917         for (iface = 0; iface < nb_ifaces; iface++)
918         {
919                 int ret = libusb_kernel_driver_active(handle, iface);
920                 printf("\nKernel driver attached for interface %d: %d\n", iface, ret);
921                 printf("\nClaiming interface %d...\n", iface);
922                 r = libusb_claim_interface(handle, iface);
923                 if (r != LIBUSB_SUCCESS) {
924                         perr("   Failed.\n");
925                 }
926         }
927
928         printf("\nReading string descriptors:\n");
929         for (i=0; i<3; i++) {
930                 if (string_index[i] == 0) {
931                         continue;
932                 }
933                 if (libusb_get_string_descriptor_ascii(handle, string_index[i], (unsigned char*)string, sizeof(string)) > 0) {
934                         printf("   String (0x%02X): \"%s\"\n", string_index[i], string);
935                 }
936         }
937
938         printf("\nReading OS string descriptor:");
939         r = libusb_get_string_descriptor(handle, MS_OS_DESC_STRING_INDEX, 0, (unsigned char*)string, MS_OS_DESC_STRING_LENGTH);
940         if (r == MS_OS_DESC_STRING_LENGTH && memcmp(ms_os_desc_string, string, sizeof(ms_os_desc_string)) == 0) {
941                 // If this is a Microsoft OS String Descriptor,
942                 // attempt to read the WinUSB extended Feature Descriptors
943                 printf("\n");
944                 read_ms_winsub_feature_descriptors(handle, string[MS_OS_DESC_VENDOR_CODE_OFFSET], first_iface);
945         } else {
946                 printf(" no descriptor\n");
947         }
948
949         switch(test_mode) {
950         case USE_PS3:
951                 CALL_CHECK_CLOSE(display_ps3_status(handle), handle);
952                 break;
953         case USE_XBOX:
954                 CALL_CHECK_CLOSE(display_xbox_status(handle), handle);
955                 CALL_CHECK_CLOSE(set_xbox_actuators(handle, 128, 222), handle);
956                 msleep(2000);
957                 CALL_CHECK_CLOSE(set_xbox_actuators(handle, 0, 0), handle);
958                 break;
959         case USE_HID:
960                 test_hid(handle, endpoint_in);
961                 break;
962         case USE_SCSI:
963                 CALL_CHECK_CLOSE(test_mass_storage(handle, endpoint_in, endpoint_out), handle);
964         case USE_GENERIC:
965                 break;
966         }
967
968         printf("\n");
969         for (iface = 0; iface<nb_ifaces; iface++) {
970                 printf("Releasing interface %d...\n", iface);
971                 libusb_release_interface(handle, iface);
972         }
973
974         printf("Closing device...\n");
975         libusb_close(handle);
976
977         return 0;
978 }
979
980 int main(int argc, char** argv)
981 {
982         static char debug_env_str[] = "LIBUSB_DEBUG=4"; // LIBUSB_LOG_LEVEL_DEBUG
983         bool show_help = false;
984         bool debug_mode = false;
985         const struct libusb_version* version;
986         int j, r;
987         size_t i, arglen;
988         unsigned tmp_vid, tmp_pid;
989         uint16_t endian_test = 0xBE00;
990         char *error_lang = NULL, *old_dbg_str = NULL, str[256];
991
992         // Default to generic, expecting VID:PID
993         VID = 0;
994         PID = 0;
995         test_mode = USE_GENERIC;
996
997         if (((uint8_t*)&endian_test)[0] == 0xBE) {
998                 printf("Despite their natural superiority for end users, big endian\n"
999                         "CPUs are not supported with this program, sorry.\n");
1000                 return 0;
1001         }
1002
1003         if (argc >= 2) {
1004                 for (j = 1; j<argc; j++) {
1005                         arglen = strlen(argv[j]);
1006                         if ( ((argv[j][0] == '-') || (argv[j][0] == '/'))
1007                           && (arglen >= 2) ) {
1008                                 switch(argv[j][1]) {
1009                                 case 'd':
1010                                         debug_mode = true;
1011                                         break;
1012                                 case 'i':
1013                                         extra_info = true;
1014                                         break;
1015                                 case 'w':
1016                                         force_device_request = true;
1017                                         break;
1018                                 case 'b':
1019                                         if ((j+1 >= argc) || (argv[j+1][0] == '-') || (argv[j+1][0] == '/')) {
1020                                                 printf("   Option -b requires a file name\n");
1021                                                 return 1;
1022                                         }
1023                                         binary_name = argv[++j];
1024                                         binary_dump = true;
1025                                         break;
1026                                 case 'l':
1027                                         if ((j+1 >= argc) || (argv[j+1][0] == '-') || (argv[j+1][0] == '/')) {
1028                                                 printf("   Option -l requires an ISO 639-1 language parameter\n");
1029                                                 return 1;
1030                                         }
1031                                         error_lang = argv[++j];
1032                                         break;
1033                                 case 'j':
1034                                         // OLIMEX ARM-USB-TINY JTAG, 2 channel composite device - 2 interfaces
1035                                         if (!VID && !PID) {
1036                                                 VID = 0x15BA;
1037                                                 PID = 0x0004;
1038                                         }
1039                                         break;
1040                                 case 'k':
1041                                         // Generic 2 GB USB Key (SCSI Transparent/Bulk Only) - 1 interface
1042                                         if (!VID && !PID) {
1043                                                 VID = 0x0204;
1044                                                 PID = 0x6025;
1045                                         }
1046                                         break;
1047                                 // The following tests will force VID:PID if already provided
1048                                 case 'p':
1049                                         // Sony PS3 Controller - 1 interface
1050                                         VID = 0x054C;
1051                                         PID = 0x0268;
1052                                         test_mode = USE_PS3;
1053                                         break;
1054                                 case 's':
1055                                         // Microsoft Sidewinder Precision Pro Joystick - 1 HID interface
1056                                         VID = 0x045E;
1057                                         PID = 0x0008;
1058                                         test_mode = USE_HID;
1059                                         break;
1060                                 case 'x':
1061                                         // Microsoft XBox Controller Type S - 1 interface
1062                                         VID = 0x045E;
1063                                         PID = 0x0289;
1064                                         test_mode = USE_XBOX;
1065                                         break;
1066                                 default:
1067                                         show_help = true;
1068                                         break;
1069                                 }
1070                         } else {
1071                                 for (i=0; i<arglen; i++) {
1072                                         if (argv[j][i] == ':')
1073                                                 break;
1074                                 }
1075                                 if (i != arglen) {
1076                                         if (sscanf(argv[j], "%x:%x" , &tmp_vid, &tmp_pid) != 2) {
1077                                                 printf("   Please specify VID & PID as \"vid:pid\" in hexadecimal format\n");
1078                                                 return 1;
1079                                         }
1080                                         VID = (uint16_t)tmp_vid;
1081                                         PID = (uint16_t)tmp_pid;
1082                                 } else {
1083                                         show_help = true;
1084                                 }
1085                         }
1086                 }
1087         }
1088
1089         if ((show_help) || (argc == 1) || (argc > 7)) {
1090                 printf("usage: %s [-h] [-d] [-i] [-k] [-b file] [-l lang] [-j] [-x] [-s] [-p] [-w] [vid:pid]\n", argv[0]);
1091                 printf("   -h      : display usage\n");
1092                 printf("   -d      : enable debug output\n");
1093                 printf("   -i      : print topology and speed info\n");
1094                 printf("   -j      : test composite FTDI based JTAG device\n");
1095                 printf("   -k      : test Mass Storage device\n");
1096                 printf("   -b file : dump Mass Storage data to file 'file'\n");
1097                 printf("   -p      : test Sony PS3 SixAxis controller\n");
1098                 printf("   -s      : test Microsoft Sidewinder Precision Pro (HID)\n");
1099                 printf("   -x      : test Microsoft XBox Controller Type S\n");
1100                 printf("   -l lang : language to report errors in (ISO 639-1)\n");
1101                 printf("   -w      : force the use of device requests when querying WCID descriptors\n");
1102                 printf("If only the vid:pid is provided, xusb attempts to run the most appropriate test\n");
1103                 return 0;
1104         }
1105
1106         // xusb is commonly used as a debug tool, so it's convenient to have debug output during libusb_init(),
1107         // but since we can't call on libusb_set_option() before libusb_init(), we use the env variable method
1108         old_dbg_str = getenv("LIBUSB_DEBUG");
1109         if (debug_mode) {
1110                 if (putenv(debug_env_str) != 0)
1111                         printf("Unable to set debug level\n");
1112         }
1113
1114         version = libusb_get_version();
1115         printf("Using libusb v%d.%d.%d.%d\n\n", version->major, version->minor, version->micro, version->nano);
1116         r = libusb_init(NULL);
1117         if (r < 0)
1118                 return r;
1119
1120         // If not set externally, and no debug option was given, use info log level
1121         if ((old_dbg_str == NULL) && (!debug_mode))
1122                 libusb_set_option(NULL, LIBUSB_OPTION_LOG_LEVEL, LIBUSB_LOG_LEVEL_INFO);
1123         if (error_lang != NULL) {
1124                 r = libusb_setlocale(error_lang);
1125                 if (r < 0)
1126                         printf("Invalid or unsupported locale '%s': %s\n", error_lang, libusb_strerror((enum libusb_error)r));
1127         }
1128
1129         test_device(VID, PID);
1130
1131         libusb_exit(NULL);
1132
1133         if (debug_mode) {
1134                 snprintf(str, sizeof(str), "LIBUSB_DEBUG=%s", (old_dbg_str == NULL)?"":old_dbg_str);
1135                 str[sizeof(str) - 1] = 0;       // Windows may not NUL terminate the string
1136         }
1137
1138         return 0;
1139 }