dbus: add missing dbus_connection_unref() for shared connection
[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 <stdio.h>
22 #include <stdint.h>
23 #include <stdlib.h>
24 #include <string.h>
25 #include <stdarg.h>
26
27 #include "libusb.h"
28
29 #if defined(_WIN32)
30 #define msleep(msecs) Sleep(msecs)
31 #else
32 #include <time.h>
33 #define msleep(msecs) nanosleep(&(struct timespec){msecs / 1000, (msecs * 1000000) % 1000000000UL}, NULL);
34 #endif
35
36 #if defined(_MSC_VER)
37 #define snprintf _snprintf
38 #define putenv _putenv
39 #endif
40
41 #if !defined(bool)
42 #define bool int
43 #endif
44 #if !defined(true)
45 #define true (1 == 1)
46 #endif
47 #if !defined(false)
48 #define false (!true)
49 #endif
50
51 // Future versions of libusb will use usb_interface instead of interface
52 // in libusb_config_descriptor => catter for that
53 #define usb_interface interface
54
55 // Global variables
56 static bool binary_dump = false;
57 static bool extra_info = false;
58 static bool force_device_request = false;       // For WCID descriptor queries
59 static const char* binary_name = NULL;
60
61 static int perr(char const *format, ...)
62 {
63         va_list args;
64         int r;
65
66         va_start (args, format);
67         r = vfprintf(stderr, format, args);
68         va_end(args);
69
70         return r;
71 }
72
73 #define ERR_EXIT(errcode) do { perr("   %s\n", libusb_strerror((enum libusb_error)errcode)); return -1; } while (0)
74 #define CALL_CHECK(fcall) do { r=fcall; if (r < 0) ERR_EXIT(r); } while (0);
75 #define B(x) (((x)!=0)?1:0)
76 #define be_to_int32(buf) (((buf)[0]<<24)|((buf)[1]<<16)|((buf)[2]<<8)|(buf)[3])
77
78 #define RETRY_MAX                     5
79 #define REQUEST_SENSE_LENGTH          0x12
80 #define INQUIRY_LENGTH                0x24
81 #define READ_CAPACITY_LENGTH          0x08
82
83 // HID Class-Specific Requests values. See section 7.2 of the HID specifications
84 #define HID_GET_REPORT                0x01
85 #define HID_GET_IDLE                  0x02
86 #define HID_GET_PROTOCOL              0x03
87 #define HID_SET_REPORT                0x09
88 #define HID_SET_IDLE                  0x0A
89 #define HID_SET_PROTOCOL              0x0B
90 #define HID_REPORT_TYPE_INPUT         0x01
91 #define HID_REPORT_TYPE_OUTPUT        0x02
92 #define HID_REPORT_TYPE_FEATURE       0x03
93
94 // Mass Storage Requests values. See section 3 of the Bulk-Only Mass Storage Class specifications
95 #define BOMS_RESET                    0xFF
96 #define BOMS_GET_MAX_LUN              0xFE
97
98 // Section 5.1: Command Block Wrapper (CBW)
99 struct command_block_wrapper {
100         uint8_t dCBWSignature[4];
101         uint32_t dCBWTag;
102         uint32_t dCBWDataTransferLength;
103         uint8_t bmCBWFlags;
104         uint8_t bCBWLUN;
105         uint8_t bCBWCBLength;
106         uint8_t CBWCB[16];
107 };
108
109 // Section 5.2: Command Status Wrapper (CSW)
110 struct command_status_wrapper {
111         uint8_t dCSWSignature[4];
112         uint32_t dCSWTag;
113         uint32_t dCSWDataResidue;
114         uint8_t bCSWStatus;
115 };
116
117 static uint8_t cdb_length[256] = {
118 //       0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F
119         06,06,06,06,06,06,06,06,06,06,06,06,06,06,06,06,  //  0
120         06,06,06,06,06,06,06,06,06,06,06,06,06,06,06,06,  //  1
121         10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,  //  2
122         10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,  //  3
123         10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,  //  4
124         10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,  //  5
125         00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,  //  6
126         00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,  //  7
127         16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,  //  8
128         16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,  //  9
129         12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,  //  A
130         12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,  //  B
131         00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,  //  C
132         00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,  //  D
133         00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,  //  E
134         00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,  //  F
135 };
136
137 static enum test_type {
138         USE_GENERIC,
139         USE_PS3,
140         USE_XBOX,
141         USE_SCSI,
142         USE_HID,
143 } test_mode;
144 static uint16_t VID, PID;
145
146 static void display_buffer_hex(unsigned char *buffer, unsigned size)
147 {
148         unsigned i, j, k;
149
150         for (i=0; i<size; i+=16) {
151                 printf("\n  %08x  ", i);
152                 for(j=0,k=0; k<16; j++,k++) {
153                         if (i+j < size) {
154                                 printf("%02x", buffer[i+j]);
155                         } else {
156                                 printf("  ");
157                         }
158                         printf(" ");
159                 }
160                 printf(" ");
161                 for(j=0,k=0; k<16; j++,k++) {
162                         if (i+j < size) {
163                                 if ((buffer[i+j] < 32) || (buffer[i+j] > 126)) {
164                                         printf(".");
165                                 } else {
166                                         printf("%c", buffer[i+j]);
167                                 }
168                         }
169                 }
170         }
171         printf("\n" );
172 }
173
174 static char* uuid_to_string(const uint8_t* uuid)
175 {
176         static char uuid_string[40];
177         if (uuid == NULL) return NULL;
178         sprintf(uuid_string, "{%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x}",
179                 uuid[0], uuid[1], uuid[2], uuid[3], uuid[4], uuid[5], uuid[6], uuid[7],
180                 uuid[8], uuid[9], uuid[10], uuid[11], uuid[12], uuid[13], uuid[14], uuid[15]);
181         return uuid_string;
182 }
183
184 // The PS3 Controller is really a HID device that got its HID Report Descriptors
185 // removed by Sony
186 static int display_ps3_status(libusb_device_handle *handle)
187 {
188         int r;
189         uint8_t input_report[49];
190         uint8_t master_bt_address[8];
191         uint8_t device_bt_address[18];
192
193         // Get the controller's bluetooth address of its master device
194         CALL_CHECK(libusb_control_transfer(handle, LIBUSB_ENDPOINT_IN|LIBUSB_REQUEST_TYPE_CLASS|LIBUSB_RECIPIENT_INTERFACE,
195                 HID_GET_REPORT, 0x03f5, 0, master_bt_address, sizeof(master_bt_address), 100));
196         printf("\nMaster's bluetooth address: %02X:%02X:%02X:%02X:%02X:%02X\n", master_bt_address[2], master_bt_address[3],
197                 master_bt_address[4], master_bt_address[5], master_bt_address[6], master_bt_address[7]);
198
199         // Get the controller's bluetooth address
200         CALL_CHECK(libusb_control_transfer(handle, LIBUSB_ENDPOINT_IN|LIBUSB_REQUEST_TYPE_CLASS|LIBUSB_RECIPIENT_INTERFACE,
201                 HID_GET_REPORT, 0x03f2, 0, device_bt_address, sizeof(device_bt_address), 100));
202         printf("\nMaster's bluetooth address: %02X:%02X:%02X:%02X:%02X:%02X\n", device_bt_address[4], device_bt_address[5],
203                 device_bt_address[6], device_bt_address[7], device_bt_address[8], device_bt_address[9]);
204
205         // Get the status of the controller's buttons via its HID report
206         printf("\nReading PS3 Input Report...\n");
207         CALL_CHECK(libusb_control_transfer(handle, LIBUSB_ENDPOINT_IN|LIBUSB_REQUEST_TYPE_CLASS|LIBUSB_RECIPIENT_INTERFACE,
208                 HID_GET_REPORT, (HID_REPORT_TYPE_INPUT<<8)|0x01, 0, input_report, sizeof(input_report), 1000));
209         switch(input_report[2]){        /** Direction pad plus start, select, and joystick buttons */
210                 case 0x01:
211                         printf("\tSELECT pressed\n");
212                         break;
213                 case 0x02:
214                         printf("\tLEFT 3 pressed\n");
215                         break;
216                 case 0x04:
217                         printf("\tRIGHT 3 pressed\n");
218                         break;
219                 case 0x08:
220                         printf("\tSTART presed\n");
221                         break;
222                 case 0x10:
223                         printf("\tUP pressed\n");
224                         break;
225                 case 0x20:
226                         printf("\tRIGHT pressed\n");
227                         break;
228                 case 0x40:
229                         printf("\tDOWN pressed\n");
230                         break;
231                 case 0x80:
232                         printf("\tLEFT pressed\n");
233                         break;
234         }
235         switch(input_report[3]){        /** Shapes plus top right and left buttons */
236                 case 0x01:
237                         printf("\tLEFT 2 pressed\n");
238                         break;
239                 case 0x02:
240                         printf("\tRIGHT 2 pressed\n");
241                         break;
242                 case 0x04:
243                         printf("\tLEFT 1 pressed\n");
244                         break;
245                 case 0x08:
246                         printf("\tRIGHT 1 presed\n");
247                         break;
248                 case 0x10:
249                         printf("\tTRIANGLE pressed\n");
250                         break;
251                 case 0x20:
252                         printf("\tCIRCLE pressed\n");
253                         break;
254                 case 0x40:
255                         printf("\tCROSS pressed\n");
256                         break;
257                 case 0x80:
258                         printf("\tSQUARE pressed\n");
259                         break;
260         }
261         printf("\tPS button: %d\n", input_report[4]);
262         printf("\tLeft Analog (X,Y): (%d,%d)\n", input_report[6], input_report[7]);
263         printf("\tRight Analog (X,Y): (%d,%d)\n", input_report[8], input_report[9]);
264         printf("\tL2 Value: %d\tR2 Value: %d\n", input_report[18], input_report[19]);
265         printf("\tL1 Value: %d\tR1 Value: %d\n", input_report[20], input_report[21]);
266         printf("\tRoll (x axis): %d Yaw (y axis): %d Pitch (z axis) %d\n",
267                         //(((input_report[42] + 128) % 256) - 128),
268                         (int8_t)(input_report[42]),
269                         (int8_t)(input_report[44]),
270                         (int8_t)(input_report[46]));
271         printf("\tAcceleration: %d\n\n", (int8_t)(input_report[48]));
272         return 0;
273 }
274 // The XBOX Controller is really a HID device that got its HID Report Descriptors
275 // removed by Microsoft.
276 // Input/Output reports described at http://euc.jp/periphs/xbox-controller.ja.html
277 static int display_xbox_status(libusb_device_handle *handle)
278 {
279         int r;
280         uint8_t input_report[20];
281         printf("\nReading XBox Input Report...\n");
282         CALL_CHECK(libusb_control_transfer(handle, LIBUSB_ENDPOINT_IN|LIBUSB_REQUEST_TYPE_CLASS|LIBUSB_RECIPIENT_INTERFACE,
283                 HID_GET_REPORT, (HID_REPORT_TYPE_INPUT<<8)|0x00, 0, input_report, 20, 1000));
284         printf("   D-pad: %02X\n", input_report[2]&0x0F);
285         printf("   Start:%d, Back:%d, Left Stick Press:%d, Right Stick Press:%d\n", B(input_report[2]&0x10), B(input_report[2]&0x20),
286                 B(input_report[2]&0x40), B(input_report[2]&0x80));
287         // A, B, X, Y, Black, White are pressure sensitive
288         printf("   A:%d, B:%d, X:%d, Y:%d, White:%d, Black:%d\n", input_report[4], input_report[5],
289                 input_report[6], input_report[7], input_report[9], input_report[8]);
290         printf("   Left Trigger: %d, Right Trigger: %d\n", input_report[10], input_report[11]);
291         printf("   Left Analog (X,Y): (%d,%d)\n", (int16_t)((input_report[13]<<8)|input_report[12]),
292                 (int16_t)((input_report[15]<<8)|input_report[14]));
293         printf("   Right Analog (X,Y): (%d,%d)\n", (int16_t)((input_report[17]<<8)|input_report[16]),
294                 (int16_t)((input_report[19]<<8)|input_report[18]));
295         return 0;
296 }
297
298 static int set_xbox_actuators(libusb_device_handle *handle, uint8_t left, uint8_t right)
299 {
300         int r;
301         uint8_t output_report[6];
302
303         printf("\nWriting XBox Controller Output Report...\n");
304
305         memset(output_report, 0, sizeof(output_report));
306         output_report[1] = sizeof(output_report);
307         output_report[3] = left;
308         output_report[5] = right;
309
310         CALL_CHECK(libusb_control_transfer(handle, LIBUSB_ENDPOINT_OUT|LIBUSB_REQUEST_TYPE_CLASS|LIBUSB_RECIPIENT_INTERFACE,
311                 HID_SET_REPORT, (HID_REPORT_TYPE_OUTPUT<<8)|0x00, 0, output_report, 06, 1000));
312         return 0;
313 }
314
315 static int send_mass_storage_command(libusb_device_handle *handle, uint8_t endpoint, uint8_t lun,
316         uint8_t *cdb, uint8_t direction, int data_length, uint32_t *ret_tag)
317 {
318         static uint32_t tag = 1;
319         uint8_t cdb_len;
320         int i, r, size;
321         struct command_block_wrapper cbw;
322
323         if (cdb == NULL) {
324                 return -1;
325         }
326
327         if (endpoint & LIBUSB_ENDPOINT_IN) {
328                 perr("send_mass_storage_command: cannot send command on IN endpoint\n");
329                 return -1;
330         }
331
332         cdb_len = cdb_length[cdb[0]];
333         if ((cdb_len == 0) || (cdb_len > sizeof(cbw.CBWCB))) {
334                 perr("send_mass_storage_command: don't know how to handle this command (%02X, length %d)\n",
335                         cdb[0], cdb_len);
336                 return -1;
337         }
338
339         memset(&cbw, 0, sizeof(cbw));
340         cbw.dCBWSignature[0] = 'U';
341         cbw.dCBWSignature[1] = 'S';
342         cbw.dCBWSignature[2] = 'B';
343         cbw.dCBWSignature[3] = 'C';
344         *ret_tag = tag;
345         cbw.dCBWTag = tag++;
346         cbw.dCBWDataTransferLength = data_length;
347         cbw.bmCBWFlags = direction;
348         cbw.bCBWLUN = lun;
349         // Subclass is 1 or 6 => cdb_len
350         cbw.bCBWCBLength = cdb_len;
351         memcpy(cbw.CBWCB, cdb, cdb_len);
352
353         i = 0;
354         do {
355                 // The transfer length must always be exactly 31 bytes.
356                 r = libusb_bulk_transfer(handle, endpoint, (unsigned char*)&cbw, 31, &size, 1000);
357                 if (r == LIBUSB_ERROR_PIPE) {
358                         libusb_clear_halt(handle, endpoint);
359                 }
360                 i++;
361         } while ((r == LIBUSB_ERROR_PIPE) && (i<RETRY_MAX));
362         if (r != LIBUSB_SUCCESS) {
363                 perr("   send_mass_storage_command: %s\n", libusb_strerror((enum libusb_error)r));
364                 return -1;
365         }
366
367         printf("   sent %d CDB bytes\n", cdb_len);
368         return 0;
369 }
370
371 static int get_mass_storage_status(libusb_device_handle *handle, uint8_t endpoint, uint32_t expected_tag)
372 {
373         int i, r, size;
374         struct command_status_wrapper csw;
375
376         // The device is allowed to STALL this transfer. If it does, you have to
377         // clear the stall and try again.
378         i = 0;
379         do {
380                 r = libusb_bulk_transfer(handle, endpoint, (unsigned char*)&csw, 13, &size, 1000);
381                 if (r == LIBUSB_ERROR_PIPE) {
382                         libusb_clear_halt(handle, endpoint);
383                 }
384                 i++;
385         } while ((r == LIBUSB_ERROR_PIPE) && (i<RETRY_MAX));
386         if (r != LIBUSB_SUCCESS) {
387                 perr("   get_mass_storage_status: %s\n", libusb_strerror((enum libusb_error)r));
388                 return -1;
389         }
390         if (size != 13) {
391                 perr("   get_mass_storage_status: received %d bytes (expected 13)\n", size);
392                 return -1;
393         }
394         if (csw.dCSWTag != expected_tag) {
395                 perr("   get_mass_storage_status: mismatched tags (expected %08X, received %08X)\n",
396                         expected_tag, csw.dCSWTag);
397                 return -1;
398         }
399         // For this test, we ignore the dCSWSignature check for validity...
400         printf("   Mass Storage Status: %02X (%s)\n", csw.bCSWStatus, csw.bCSWStatus?"FAILED":"Success");
401         if (csw.dCSWTag != expected_tag)
402                 return -1;
403         if (csw.bCSWStatus) {
404                 // REQUEST SENSE is appropriate only if bCSWStatus is 1, meaning that the
405                 // command failed somehow.  Larger values (2 in particular) mean that
406                 // the command couldn't be understood.
407                 if (csw.bCSWStatus == 1)
408                         return -2;      // request Get Sense
409                 else
410                         return -1;
411         }
412
413         // In theory we also should check dCSWDataResidue.  But lots of devices
414         // set it wrongly.
415         return 0;
416 }
417
418 static void get_sense(libusb_device_handle *handle, uint8_t endpoint_in, uint8_t endpoint_out)
419 {
420         uint8_t cdb[16];        // SCSI Command Descriptor Block
421         uint8_t sense[18];
422         uint32_t expected_tag;
423         int size;
424         int rc;
425
426         // Request Sense
427         printf("Request Sense:\n");
428         memset(sense, 0, sizeof(sense));
429         memset(cdb, 0, sizeof(cdb));
430         cdb[0] = 0x03;  // Request Sense
431         cdb[4] = REQUEST_SENSE_LENGTH;
432
433         send_mass_storage_command(handle, endpoint_out, 0, cdb, LIBUSB_ENDPOINT_IN, REQUEST_SENSE_LENGTH, &expected_tag);
434         rc = libusb_bulk_transfer(handle, endpoint_in, (unsigned char*)&sense, REQUEST_SENSE_LENGTH, &size, 1000);
435         if (rc < 0)
436         {
437                 printf("libusb_bulk_transfer failed: %s\n", libusb_error_name(rc));
438                 return;
439         }
440         printf("   received %d bytes\n", size);
441
442         if ((sense[0] != 0x70) && (sense[0] != 0x71)) {
443                 perr("   ERROR No sense data\n");
444         } else {
445                 perr("   ERROR Sense: %02X %02X %02X\n", sense[2]&0x0F, sense[12], sense[13]);
446         }
447         // Strictly speaking, the get_mass_storage_status() call should come
448         // before these perr() lines.  If the status is nonzero then we must
449         // assume there's no data in the buffer.  For xusb it doesn't matter.
450         get_mass_storage_status(handle, endpoint_in, expected_tag);
451 }
452
453 // Mass Storage device to test bulk transfers (non destructive test)
454 static int test_mass_storage(libusb_device_handle *handle, uint8_t endpoint_in, uint8_t endpoint_out)
455 {
456         int r, size;
457         uint8_t lun;
458         uint32_t expected_tag;
459         uint32_t i, max_lba, block_size;
460         double device_size;
461         uint8_t cdb[16];        // SCSI Command Descriptor Block
462         uint8_t buffer[64];
463         char vid[9], pid[9], rev[5];
464         unsigned char *data;
465         FILE *fd;
466
467         printf("Reading Max LUN:\n");
468         r = libusb_control_transfer(handle, LIBUSB_ENDPOINT_IN|LIBUSB_REQUEST_TYPE_CLASS|LIBUSB_RECIPIENT_INTERFACE,
469                 BOMS_GET_MAX_LUN, 0, 0, &lun, 1, 1000);
470         // Some devices send a STALL instead of the actual value.
471         // In such cases we should set lun to 0.
472         if (r == 0) {
473                 lun = 0;
474         } else if (r < 0) {
475                 perr("   Failed: %s", libusb_strerror((enum libusb_error)r));
476         }
477         printf("   Max LUN = %d\n", lun);
478
479         // Send Inquiry
480         printf("Sending Inquiry:\n");
481         memset(buffer, 0, sizeof(buffer));
482         memset(cdb, 0, sizeof(cdb));
483         cdb[0] = 0x12;  // Inquiry
484         cdb[4] = INQUIRY_LENGTH;
485
486         send_mass_storage_command(handle, endpoint_out, lun, cdb, LIBUSB_ENDPOINT_IN, INQUIRY_LENGTH, &expected_tag);
487         CALL_CHECK(libusb_bulk_transfer(handle, endpoint_in, (unsigned char*)&buffer, INQUIRY_LENGTH, &size, 1000));
488         printf("   received %d bytes\n", size);
489         // The following strings are not zero terminated
490         for (i=0; i<8; i++) {
491                 vid[i] = buffer[8+i];
492                 pid[i] = buffer[16+i];
493                 rev[i/2] = buffer[32+i/2];      // instead of another loop
494         }
495         vid[8] = 0;
496         pid[8] = 0;
497         rev[4] = 0;
498         printf("   VID:PID:REV \"%8s\":\"%8s\":\"%4s\"\n", vid, pid, rev);
499         if (get_mass_storage_status(handle, endpoint_in, expected_tag) == -2) {
500                 get_sense(handle, endpoint_in, endpoint_out);
501         }
502
503         // Read capacity
504         printf("Reading Capacity:\n");
505         memset(buffer, 0, sizeof(buffer));
506         memset(cdb, 0, sizeof(cdb));
507         cdb[0] = 0x25;  // Read Capacity
508
509         send_mass_storage_command(handle, endpoint_out, lun, cdb, LIBUSB_ENDPOINT_IN, READ_CAPACITY_LENGTH, &expected_tag);
510         CALL_CHECK(libusb_bulk_transfer(handle, endpoint_in, (unsigned char*)&buffer, READ_CAPACITY_LENGTH, &size, 1000));
511         printf("   received %d bytes\n", size);
512         max_lba = be_to_int32(&buffer[0]);
513         block_size = be_to_int32(&buffer[4]);
514         device_size = ((double)(max_lba+1))*block_size/(1024*1024*1024);
515         printf("   Max LBA: %08X, Block Size: %08X (%.2f GB)\n", max_lba, block_size, device_size);
516         if (get_mass_storage_status(handle, endpoint_in, expected_tag) == -2) {
517                 get_sense(handle, endpoint_in, endpoint_out);
518         }
519
520         // coverity[tainted_data]
521         data = (unsigned char*) calloc(1, block_size);
522         if (data == NULL) {
523                 perr("   unable to allocate data buffer\n");
524                 return -1;
525         }
526
527         // Send Read
528         printf("Attempting to read %d bytes:\n", block_size);
529         memset(cdb, 0, sizeof(cdb));
530
531         cdb[0] = 0x28;  // Read(10)
532         cdb[8] = 0x01;  // 1 block
533
534         send_mass_storage_command(handle, endpoint_out, lun, cdb, LIBUSB_ENDPOINT_IN, block_size, &expected_tag);
535         libusb_bulk_transfer(handle, endpoint_in, data, block_size, &size, 5000);
536         printf("   READ: received %d bytes\n", size);
537         if (get_mass_storage_status(handle, endpoint_in, expected_tag) == -2) {
538                 get_sense(handle, endpoint_in, endpoint_out);
539         } else {
540                 display_buffer_hex(data, size);
541                 if ((binary_dump) && ((fd = fopen(binary_name, "w")) != NULL)) {
542                         if (fwrite(data, 1, (size_t)size, fd) != (unsigned int)size) {
543                                 perr("   unable to write binary data\n");
544                         }
545                         fclose(fd);
546                 }
547         }
548         free(data);
549
550         return 0;
551 }
552
553 // HID
554 static int get_hid_record_size(uint8_t *hid_report_descriptor, int size, int type)
555 {
556         uint8_t i, j = 0;
557         uint8_t offset;
558         int record_size[3] = {0, 0, 0};
559         int nb_bits = 0, nb_items = 0;
560         bool found_record_marker;
561
562         found_record_marker = false;
563         for (i = hid_report_descriptor[0]+1; i < size; i += offset) {
564                 offset = (hid_report_descriptor[i]&0x03) + 1;
565                 if (offset == 4)
566                         offset = 5;
567                 switch (hid_report_descriptor[i] & 0xFC) {
568                 case 0x74:      // bitsize
569                         nb_bits = hid_report_descriptor[i+1];
570                         break;
571                 case 0x94:      // count
572                         nb_items = 0;
573                         for (j=1; j<offset; j++) {
574                                 nb_items = ((uint32_t)hid_report_descriptor[i+j]) << (8*(j-1));
575                         }
576                         break;
577                 case 0x80:      // input
578                         found_record_marker = true;
579                         j = 0;
580                         break;
581                 case 0x90:      // output
582                         found_record_marker = true;
583                         j = 1;
584                         break;
585                 case 0xb0:      // feature
586                         found_record_marker = true;
587                         j = 2;
588                         break;
589                 case 0xC0:      // end of collection
590                         nb_items = 0;
591                         nb_bits = 0;
592                         break;
593                 default:
594                         continue;
595                 }
596                 if (found_record_marker) {
597                         found_record_marker = false;
598                         record_size[j] += nb_items*nb_bits;
599                 }
600         }
601         if ((type < HID_REPORT_TYPE_INPUT) || (type > HID_REPORT_TYPE_FEATURE)) {
602                 return 0;
603         } else {
604                 return (record_size[type - HID_REPORT_TYPE_INPUT]+7)/8;
605         }
606 }
607
608 static int test_hid(libusb_device_handle *handle, uint8_t endpoint_in)
609 {
610         int r, size, descriptor_size;
611         uint8_t hid_report_descriptor[256];
612         uint8_t *report_buffer;
613         FILE *fd;
614
615         printf("\nReading HID Report Descriptors:\n");
616         descriptor_size = libusb_control_transfer(handle, LIBUSB_ENDPOINT_IN|LIBUSB_REQUEST_TYPE_STANDARD|LIBUSB_RECIPIENT_INTERFACE,
617                 LIBUSB_REQUEST_GET_DESCRIPTOR, LIBUSB_DT_REPORT<<8, 0, hid_report_descriptor, sizeof(hid_report_descriptor), 1000);
618         if (descriptor_size < 0) {
619                 printf("   Failed\n");
620                 return -1;
621         }
622         display_buffer_hex(hid_report_descriptor, descriptor_size);
623         if ((binary_dump) && ((fd = fopen(binary_name, "w")) != NULL)) {
624                 if (fwrite(hid_report_descriptor, 1, descriptor_size, fd) != descriptor_size) {
625                         printf("   Error writing descriptor to file\n");
626                 }
627                 fclose(fd);
628         }
629
630         size = get_hid_record_size(hid_report_descriptor, descriptor_size, HID_REPORT_TYPE_FEATURE);
631         if (size <= 0) {
632                 printf("\nSkipping Feature Report readout (None detected)\n");
633         } else {
634                 report_buffer = (uint8_t*) calloc(size, 1);
635                 if (report_buffer == NULL) {
636                         return -1;
637                 }
638
639                 printf("\nReading Feature Report (length %d)...\n", size);
640                 r = libusb_control_transfer(handle, LIBUSB_ENDPOINT_IN|LIBUSB_REQUEST_TYPE_CLASS|LIBUSB_RECIPIENT_INTERFACE,
641                         HID_GET_REPORT, (HID_REPORT_TYPE_FEATURE<<8)|0, 0, report_buffer, (uint16_t)size, 5000);
642                 if (r >= 0) {
643                         display_buffer_hex(report_buffer, size);
644                 } else {
645                         switch(r) {
646                         case LIBUSB_ERROR_NOT_FOUND:
647                                 printf("   No Feature Report available for this device\n");
648                                 break;
649                         case LIBUSB_ERROR_PIPE:
650                                 printf("   Detected stall - resetting pipe...\n");
651                                 libusb_clear_halt(handle, 0);
652                                 break;
653                         default:
654                                 printf("   Error: %s\n", libusb_strerror((enum libusb_error)r));
655                                 break;
656                         }
657                 }
658                 free(report_buffer);
659         }
660
661         size = get_hid_record_size(hid_report_descriptor, descriptor_size, HID_REPORT_TYPE_INPUT);
662         if (size <= 0) {
663                 printf("\nSkipping Input Report readout (None detected)\n");
664         } else {
665                 report_buffer = (uint8_t*) calloc(size, 1);
666                 if (report_buffer == NULL) {
667                         return -1;
668                 }
669
670                 printf("\nReading Input Report (length %d)...\n", size);
671                 r = libusb_control_transfer(handle, LIBUSB_ENDPOINT_IN|LIBUSB_REQUEST_TYPE_CLASS|LIBUSB_RECIPIENT_INTERFACE,
672                         HID_GET_REPORT, (HID_REPORT_TYPE_INPUT<<8)|0x00, 0, report_buffer, (uint16_t)size, 5000);
673                 if (r >= 0) {
674                         display_buffer_hex(report_buffer, size);
675                 } else {
676                         switch(r) {
677                         case LIBUSB_ERROR_TIMEOUT:
678                                 printf("   Timeout! Please make sure you act on the device within the 5 seconds allocated...\n");
679                                 break;
680                         case LIBUSB_ERROR_PIPE:
681                                 printf("   Detected stall - resetting pipe...\n");
682                                 libusb_clear_halt(handle, 0);
683                                 break;
684                         default:
685                                 printf("   Error: %s\n", libusb_strerror((enum libusb_error)r));
686                                 break;
687                         }
688                 }
689
690                 // Attempt a bulk read from endpoint 0 (this should just return a raw input report)
691                 printf("\nTesting interrupt read using endpoint %02X...\n", endpoint_in);
692                 r = libusb_interrupt_transfer(handle, endpoint_in, report_buffer, size, &size, 5000);
693                 if (r >= 0) {
694                         display_buffer_hex(report_buffer, size);
695                 } else {
696                         printf("   %s\n", libusb_strerror((enum libusb_error)r));
697                 }
698
699                 free(report_buffer);
700         }
701         return 0;
702 }
703
704 // Read the MS WinUSB Feature Descriptors, that are used on Windows 8 for automated driver installation
705 static void read_ms_winsub_feature_descriptors(libusb_device_handle *handle, uint8_t bRequest, int iface_number)
706 {
707 #define MAX_OS_FD_LENGTH 256
708         int i, r;
709         uint8_t os_desc[MAX_OS_FD_LENGTH];
710         uint32_t length;
711         void* le_type_punning_IS_fine;
712         struct {
713                 const char* desc;
714                 uint8_t recipient;
715                 uint16_t index;
716                 uint16_t header_size;
717         } os_fd[2] = {
718                 {"Extended Compat ID", LIBUSB_RECIPIENT_DEVICE, 0x0004, 0x10},
719                 {"Extended Properties", LIBUSB_RECIPIENT_INTERFACE, 0x0005, 0x0A}
720         };
721
722         if (iface_number < 0) return;
723         // WinUSB has a limitation that forces wIndex to the interface number when issuing
724         // an Interface Request. To work around that, we can force a Device Request for
725         // the Extended Properties, assuming the device answers both equally.
726         if (force_device_request)
727                 os_fd[1].recipient = LIBUSB_RECIPIENT_DEVICE;
728
729         for (i=0; i<2; i++) {
730                 printf("\nReading %s OS Feature Descriptor (wIndex = 0x%04d):\n", os_fd[i].desc, os_fd[i].index);
731
732                 // Read the header part
733                 r = libusb_control_transfer(handle, (uint8_t)(LIBUSB_ENDPOINT_IN|LIBUSB_REQUEST_TYPE_VENDOR|os_fd[i].recipient),
734                         bRequest, (uint16_t)(((iface_number)<< 8)|0x00), os_fd[i].index, os_desc, os_fd[i].header_size, 1000);
735                 if (r < os_fd[i].header_size) {
736                         perr("   Failed: %s", (r<0)?libusb_strerror((enum libusb_error)r):"header size is too small");
737                         return;
738                 }
739                 le_type_punning_IS_fine = (void*)os_desc;
740                 length = *((uint32_t*)le_type_punning_IS_fine);
741                 if (length > MAX_OS_FD_LENGTH) {
742                         length = MAX_OS_FD_LENGTH;
743                 }
744
745                 // Read the full feature descriptor
746                 r = libusb_control_transfer(handle, (uint8_t)(LIBUSB_ENDPOINT_IN|LIBUSB_REQUEST_TYPE_VENDOR|os_fd[i].recipient),
747                         bRequest, (uint16_t)(((iface_number)<< 8)|0x00), os_fd[i].index, os_desc, (uint16_t)length, 1000);
748                 if (r < 0) {
749                         perr("   Failed: %s", libusb_strerror((enum libusb_error)r));
750                         return;
751                 } else {
752                         display_buffer_hex(os_desc, r);
753                 }
754         }
755 }
756
757 static void print_device_cap(struct libusb_bos_dev_capability_descriptor *dev_cap)
758 {
759         switch(dev_cap->bDevCapabilityType) {
760         case LIBUSB_BT_USB_2_0_EXTENSION: {
761                 struct libusb_usb_2_0_extension_descriptor *usb_2_0_ext = NULL;
762                 libusb_get_usb_2_0_extension_descriptor(NULL, dev_cap, &usb_2_0_ext);
763                 if (usb_2_0_ext) {
764                         printf("    USB 2.0 extension:\n");
765                         printf("      attributes             : %02X\n", usb_2_0_ext->bmAttributes);
766                         libusb_free_usb_2_0_extension_descriptor(usb_2_0_ext);
767                 }
768                 break;
769         }
770         case LIBUSB_BT_SS_USB_DEVICE_CAPABILITY: {
771                 struct libusb_ss_usb_device_capability_descriptor *ss_usb_device_cap = NULL;
772                 libusb_get_ss_usb_device_capability_descriptor(NULL, dev_cap, &ss_usb_device_cap);
773                 if (ss_usb_device_cap) {
774                         printf("    USB 3.0 capabilities:\n");
775                         printf("      attributes             : %02X\n", ss_usb_device_cap->bmAttributes);
776                         printf("      supported speeds       : %04X\n", ss_usb_device_cap->wSpeedSupported);
777                         printf("      supported functionality: %02X\n", ss_usb_device_cap->bFunctionalitySupport);
778                         libusb_free_ss_usb_device_capability_descriptor(ss_usb_device_cap);
779                 }
780                 break;
781         }
782         case LIBUSB_BT_CONTAINER_ID: {
783                 struct libusb_container_id_descriptor *container_id = NULL;
784                 libusb_get_container_id_descriptor(NULL, dev_cap, &container_id);
785                 if (container_id) {
786                         printf("    Container ID:\n      %s\n", uuid_to_string(container_id->ContainerID));
787                         libusb_free_container_id_descriptor(container_id);
788                 }
789                 break;
790         }
791         default:
792                 printf("    Unknown BOS device capability %02x:\n", dev_cap->bDevCapabilityType);
793         }       
794 }
795
796 static int test_device(uint16_t vid, uint16_t pid)
797 {
798         libusb_device_handle *handle;
799         libusb_device *dev;
800         uint8_t bus, port_path[8];
801         struct libusb_bos_descriptor *bos_desc;
802         struct libusb_config_descriptor *conf_desc;
803         const struct libusb_endpoint_descriptor *endpoint;
804         int i, j, k, r;
805         int iface, nb_ifaces, first_iface = -1;
806         struct libusb_device_descriptor dev_desc;
807         const char* speed_name[5] = { "Unknown", "1.5 Mbit/s (USB LowSpeed)", "12 Mbit/s (USB FullSpeed)",
808                 "480 Mbit/s (USB HighSpeed)", "5000 Mbit/s (USB SuperSpeed)"};
809         char string[128];
810         uint8_t string_index[3];        // indexes of the string descriptors
811         uint8_t endpoint_in = 0, endpoint_out = 0;      // default IN and OUT endpoints
812
813         printf("Opening device %04X:%04X...\n", vid, pid);
814         handle = libusb_open_device_with_vid_pid(NULL, vid, pid);
815
816         if (handle == NULL) {
817                 perr("  Failed.\n");
818                 return -1;
819         }
820
821         dev = libusb_get_device(handle);
822         bus = libusb_get_bus_number(dev);
823         if (extra_info) {
824                 r = libusb_get_port_numbers(dev, port_path, sizeof(port_path));
825                 if (r > 0) {
826                         printf("\nDevice properties:\n");
827                         printf("        bus number: %d\n", bus);
828                         printf("         port path: %d", port_path[0]);
829                         for (i=1; i<r; i++) {
830                                 printf("->%d", port_path[i]);
831                         }
832                         printf(" (from root hub)\n");
833                 }
834                 r = libusb_get_device_speed(dev);
835                 if ((r<0) || (r>4)) r=0;
836                 printf("             speed: %s\n", speed_name[r]);
837         }
838
839         printf("\nReading device descriptor:\n");
840         CALL_CHECK(libusb_get_device_descriptor(dev, &dev_desc));
841         printf("            length: %d\n", dev_desc.bLength);
842         printf("      device class: %d\n", dev_desc.bDeviceClass);
843         printf("               S/N: %d\n", dev_desc.iSerialNumber);
844         printf("           VID:PID: %04X:%04X\n", dev_desc.idVendor, dev_desc.idProduct);
845         printf("         bcdDevice: %04X\n", dev_desc.bcdDevice);
846         printf("   iMan:iProd:iSer: %d:%d:%d\n", dev_desc.iManufacturer, dev_desc.iProduct, dev_desc.iSerialNumber);
847         printf("          nb confs: %d\n", dev_desc.bNumConfigurations);
848         // Copy the string descriptors for easier parsing
849         string_index[0] = dev_desc.iManufacturer;
850         string_index[1] = dev_desc.iProduct;
851         string_index[2] = dev_desc.iSerialNumber;
852
853         printf("\nReading BOS descriptor: ");
854         if (libusb_get_bos_descriptor(handle, &bos_desc) == LIBUSB_SUCCESS) {
855                 printf("%d caps\n", bos_desc->bNumDeviceCaps);
856                 for (i = 0; i < bos_desc->bNumDeviceCaps; i++)
857                         print_device_cap(bos_desc->dev_capability[i]);
858                 libusb_free_bos_descriptor(bos_desc);
859         } else {
860                 printf("no descriptor\n");
861         }
862
863         printf("\nReading first configuration descriptor:\n");
864         CALL_CHECK(libusb_get_config_descriptor(dev, 0, &conf_desc));
865         nb_ifaces = conf_desc->bNumInterfaces;
866         printf("             nb interfaces: %d\n", nb_ifaces);
867         if (nb_ifaces > 0)
868                 first_iface = conf_desc->usb_interface[0].altsetting[0].bInterfaceNumber;
869         for (i=0; i<nb_ifaces; i++) {
870                 printf("              interface[%d]: id = %d\n", i,
871                         conf_desc->usb_interface[i].altsetting[0].bInterfaceNumber);
872                 for (j=0; j<conf_desc->usb_interface[i].num_altsetting; j++) {
873                         printf("interface[%d].altsetting[%d]: num endpoints = %d\n",
874                                 i, j, conf_desc->usb_interface[i].altsetting[j].bNumEndpoints);
875                         printf("   Class.SubClass.Protocol: %02X.%02X.%02X\n",
876                                 conf_desc->usb_interface[i].altsetting[j].bInterfaceClass,
877                                 conf_desc->usb_interface[i].altsetting[j].bInterfaceSubClass,
878                                 conf_desc->usb_interface[i].altsetting[j].bInterfaceProtocol);
879                         if ( (conf_desc->usb_interface[i].altsetting[j].bInterfaceClass == LIBUSB_CLASS_MASS_STORAGE)
880                           && ( (conf_desc->usb_interface[i].altsetting[j].bInterfaceSubClass == 0x01)
881                           || (conf_desc->usb_interface[i].altsetting[j].bInterfaceSubClass == 0x06) )
882                           && (conf_desc->usb_interface[i].altsetting[j].bInterfaceProtocol == 0x50) ) {
883                                 // Mass storage devices that can use basic SCSI commands
884                                 test_mode = USE_SCSI;
885                         }
886                         for (k=0; k<conf_desc->usb_interface[i].altsetting[j].bNumEndpoints; k++) {
887                                 struct libusb_ss_endpoint_companion_descriptor *ep_comp = NULL;
888                                 endpoint = &conf_desc->usb_interface[i].altsetting[j].endpoint[k];
889                                 printf("       endpoint[%d].address: %02X\n", k, endpoint->bEndpointAddress);
890                                 // Use the first interrupt or bulk IN/OUT endpoints as default for testing
891                                 if ((endpoint->bmAttributes & LIBUSB_TRANSFER_TYPE_MASK) & (LIBUSB_TRANSFER_TYPE_BULK | LIBUSB_TRANSFER_TYPE_INTERRUPT)) {
892                                         if (endpoint->bEndpointAddress & LIBUSB_ENDPOINT_IN) {
893                                                 if (!endpoint_in)
894                                                         endpoint_in = endpoint->bEndpointAddress;
895                                         } else {
896                                                 if (!endpoint_out)
897                                                         endpoint_out = endpoint->bEndpointAddress;
898                                         }
899                                 }
900                                 printf("           max packet size: %04X\n", endpoint->wMaxPacketSize);
901                                 printf("          polling interval: %02X\n", endpoint->bInterval);
902                                 libusb_get_ss_endpoint_companion_descriptor(NULL, endpoint, &ep_comp);
903                                 if (ep_comp) {
904                                         printf("                 max burst: %02X   (USB 3.0)\n", ep_comp->bMaxBurst);
905                                         printf("        bytes per interval: %04X (USB 3.0)\n", ep_comp->wBytesPerInterval);
906                                         libusb_free_ss_endpoint_companion_descriptor(ep_comp);
907                                 }
908                         }
909                 }
910         }
911         libusb_free_config_descriptor(conf_desc);
912
913         libusb_set_auto_detach_kernel_driver(handle, 1);
914         for (iface = 0; iface < nb_ifaces; iface++)
915         {
916                 printf("\nClaiming interface %d...\n", iface);
917                 r = libusb_claim_interface(handle, iface);
918                 if (r != LIBUSB_SUCCESS) {
919                         perr("   Failed.\n");
920                 }
921         }
922
923         printf("\nReading string descriptors:\n");
924         for (i=0; i<3; i++) {
925                 if (string_index[i] == 0) {
926                         continue;
927                 }
928                 if (libusb_get_string_descriptor_ascii(handle, string_index[i], (unsigned char*)string, 128) >= 0) {
929                         printf("   String (0x%02X): \"%s\"\n", string_index[i], string);
930                 }
931         }
932         // Read the OS String Descriptor
933         if (libusb_get_string_descriptor_ascii(handle, 0xEE, (unsigned char*)string, 128) >= 0) {
934                 printf("   String (0x%02X): \"%s\"\n", 0xEE, string);
935                 // If this is a Microsoft OS String Descriptor,
936                 // attempt to read the WinUSB extended Feature Descriptors
937                 if (strncmp(string, "MSFT100", 7) == 0)
938                         read_ms_winsub_feature_descriptors(handle, string[7], first_iface);
939         }
940
941         switch(test_mode) {
942         case USE_PS3:
943                 CALL_CHECK(display_ps3_status(handle));
944                 break;
945         case USE_XBOX:
946                 CALL_CHECK(display_xbox_status(handle));
947                 CALL_CHECK(set_xbox_actuators(handle, 128, 222));
948                 msleep(2000);
949                 CALL_CHECK(set_xbox_actuators(handle, 0, 0));
950                 break;
951         case USE_HID:
952                 test_hid(handle, endpoint_in);
953                 break;
954         case USE_SCSI:
955                 CALL_CHECK(test_mass_storage(handle, endpoint_in, endpoint_out));
956         case USE_GENERIC:
957                 break;
958         }
959
960         printf("\n");
961         for (iface = 0; iface<nb_ifaces; iface++) {
962                 printf("Releasing interface %d...\n", iface);
963                 libusb_release_interface(handle, iface);
964         }
965
966         printf("Closing device...\n");
967         libusb_close(handle);
968
969         return 0;
970 }
971
972 int main(int argc, char** argv)
973 {
974         bool show_help = false;
975         bool debug_mode = false;
976         const struct libusb_version* version;
977         int j, r;
978         size_t i, arglen;
979         unsigned tmp_vid, tmp_pid;
980         uint16_t endian_test = 0xBE00;
981         char *error_lang = NULL, *old_dbg_str = NULL, str[256];
982
983         // Default to generic, expecting VID:PID
984         VID = 0;
985         PID = 0;
986         test_mode = USE_GENERIC;
987
988         if (((uint8_t*)&endian_test)[0] == 0xBE) {
989                 printf("Despite their natural superiority for end users, big endian\n"
990                         "CPUs are not supported with this program, sorry.\n");
991                 return 0;
992         }
993
994         if (argc >= 2) {
995                 for (j = 1; j<argc; j++) {
996                         arglen = strlen(argv[j]);
997                         if ( ((argv[j][0] == '-') || (argv[j][0] == '/'))
998                           && (arglen >= 2) ) {
999                                 switch(argv[j][1]) {
1000                                 case 'd':
1001                                         debug_mode = true;
1002                                         break;
1003                                 case 'i':
1004                                         extra_info = true;
1005                                         break;
1006                                 case 'w':
1007                                         force_device_request = true;
1008                                         break;
1009                                 case 'b':
1010                                         if ((j+1 >= argc) || (argv[j+1][0] == '-') || (argv[j+1][0] == '/')) {
1011                                                 printf("   Option -b requires a file name\n");
1012                                                 return 1;
1013                                         }
1014                                         binary_name = argv[++j];
1015                                         binary_dump = true;
1016                                         break;
1017                                 case 'l':
1018                                         if ((j+1 >= argc) || (argv[j+1][0] == '-') || (argv[j+1][0] == '/')) {
1019                                                 printf("   Option -l requires an ISO 639-1 language parameter\n");
1020                                                 return 1;
1021                                         }
1022                                         error_lang = argv[++j];
1023                                         break;
1024                                 case 'j':
1025                                         // OLIMEX ARM-USB-TINY JTAG, 2 channel composite device - 2 interfaces
1026                                         if (!VID && !PID) {
1027                                                 VID = 0x15BA;
1028                                                 PID = 0x0004;
1029                                         }
1030                                         break;
1031                                 case 'k':
1032                                         // Generic 2 GB USB Key (SCSI Transparent/Bulk Only) - 1 interface
1033                                         if (!VID && !PID) {
1034                                                 VID = 0x0204;
1035                                                 PID = 0x6025;
1036                                         }
1037                                         break;
1038                                 // The following tests will force VID:PID if already provided
1039                                 case 'p':
1040                                         // Sony PS3 Controller - 1 interface
1041                                         VID = 0x054C;
1042                                         PID = 0x0268;
1043                                         test_mode = USE_PS3;
1044                                         break;
1045                                 case 's':
1046                                         // Microsoft Sidewinder Precision Pro Joystick - 1 HID interface
1047                                         VID = 0x045E;
1048                                         PID = 0x0008;
1049                                         test_mode = USE_HID;
1050                                         break;
1051                                 case 'x':
1052                                         // Microsoft XBox Controller Type S - 1 interface
1053                                         VID = 0x045E;
1054                                         PID = 0x0289;
1055                                         test_mode = USE_XBOX;
1056                                         break;
1057                                 default:
1058                                         show_help = true;
1059                                         break;
1060                                 }
1061                         } else {
1062                                 for (i=0; i<arglen; i++) {
1063                                         if (argv[j][i] == ':')
1064                                                 break;
1065                                 }
1066                                 if (i != arglen) {
1067                                         if (sscanf(argv[j], "%x:%x" , &tmp_vid, &tmp_pid) != 2) {
1068                                                 printf("   Please specify VID & PID as \"vid:pid\" in hexadecimal format\n");
1069                                                 return 1;
1070                                         }
1071                                         VID = (uint16_t)tmp_vid;
1072                                         PID = (uint16_t)tmp_pid;
1073                                 } else {
1074                                         show_help = true;
1075                                 }
1076                         }
1077                 }
1078         }
1079
1080         if ((show_help) || (argc == 1) || (argc > 7)) {
1081                 printf("usage: %s [-h] [-d] [-i] [-k] [-b file] [-l lang] [-j] [-x] [-s] [-p] [-w] [vid:pid]\n", argv[0]);
1082                 printf("   -h      : display usage\n");
1083                 printf("   -d      : enable debug output\n");
1084                 printf("   -i      : print topology and speed info\n");
1085                 printf("   -j      : test composite FTDI based JTAG device\n");
1086                 printf("   -k      : test Mass Storage device\n");
1087                 printf("   -b file : dump Mass Storage data to file 'file'\n");
1088                 printf("   -p      : test Sony PS3 SixAxis controller\n");
1089                 printf("   -s      : test Microsoft Sidewinder Precision Pro (HID)\n");
1090                 printf("   -x      : test Microsoft XBox Controller Type S\n");
1091                 printf("   -l lang : language to report errors in (ISO 639-1)\n");
1092                 printf("   -w      : force the use of device requests when querying WCID descriptors\n");
1093                 printf("If only the vid:pid is provided, xusb attempts to run the most appropriate test\n");
1094                 return 0;
1095         }
1096
1097         // xusb is commonly used as a debug tool, so it's convenient to have debug output during libusb_init(),
1098         // but since we can't call on libusb_set_debug() before libusb_init(), we use the env variable method
1099         old_dbg_str = getenv("LIBUSB_DEBUG");
1100         if (debug_mode) {
1101                 if (putenv("LIBUSB_DEBUG=4") != 0)      // LIBUSB_LOG_LEVEL_DEBUG
1102                         printf("Unable to set debug level");
1103         }
1104
1105         version = libusb_get_version();
1106         printf("Using libusb v%d.%d.%d.%d\n\n", version->major, version->minor, version->micro, version->nano);
1107         r = libusb_init(NULL);
1108         if (r < 0)
1109                 return r;
1110
1111         // If not set externally, and no debug option was given, use info log level
1112         if ((old_dbg_str == NULL) && (!debug_mode))
1113                 libusb_set_debug(NULL, LIBUSB_LOG_LEVEL_INFO);
1114         if (error_lang != NULL) {
1115                 r = libusb_setlocale(error_lang);
1116                 if (r < 0)
1117                         printf("Invalid or unsupported locale '%s': %s\n", error_lang, libusb_strerror((enum libusb_error)r));
1118         }
1119
1120         test_device(VID, PID);
1121
1122         libusb_exit(NULL);
1123
1124         if (debug_mode) {
1125                 snprintf(str, sizeof(str), "LIBUSB_DEBUG=%s", (old_dbg_str == NULL)?"":old_dbg_str);
1126                 str[sizeof(str) - 1] = 0;       // Windows may not NUL terminate the string
1127         }
1128
1129         return 0;
1130 }