gperson / TutoratPersonChemin

Commit 533260c1d0481c8ad234a1543a0dc73cc868ea9a

Authored by achemin1
1 parent 3cacbf71

Ajout des lectures des string de descripteur

Showing 1 changed file with 80 additions and 43 deletions   Show diff stats
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src/GetUsbInfos.c
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1   -#include <stdio.h>
2 1 #include <libusb-1.0/libusb.h>
  2 +#include <stdio.h>
3 3 #include <stdlib.h>
4 4  
  5 +int main() {
  6 +
  7 + // initiate the usb thing
  8 +
  9 + libusb_context *context;
  10 + int statusInit = libusb_init(&context);
  11 + if (statusInit != 0) {
  12 + perror("libusb_init");
  13 + exit(-1);
  14 + }
  15 + /* ... some code ... */
  16 +
  17 + // actually enumerates all the usb and gives some infos abot the usb things
  18 +
  19 + libusb_device **list;
  20 + ssize_t count = libusb_get_device_list(context, &list);
  21 + if (count < 0) {
  22 + perror("libusb_get_device_list");
  23 + exit(-1);
  24 + }
  25 + ssize_t i = 0;
  26 + for (i = 0; i < count; i++) {
  27 + libusb_device *device = list[i];
  28 + struct libusb_device_descriptor desc;
  29 +
  30 + int status = libusb_get_device_descriptor(device, &desc);
  31 + if (status != 0)
  32 + continue;
  33 +
  34 + uint8_t bus = libusb_get_bus_number(device);
  35 + uint8_t address = libusb_get_device_address(device);
  36 +
  37 + printf("Device Found @ (Bus:Address) %d:%d\n", bus, address);
  38 + printf("Vendor ID 0x0%x\n", desc.idVendor);
  39 + printf("Product ID 0x0%x\n", desc.idProduct);
  40 +
  41 + // Ouverture du périphérique
  42 + libusb_device_handle *handle;
  43 + int statusDevice = libusb_open(device, &handle);
  44 + if (statusDevice != 0) {
  45 + perror("libusb_open");
  46 + exit(-1);
  47 + }
  48 +/*
  49 + // Si le méchant noyau est passé avant vous :
  50 + int interface = 0; // TEST : FONCTIONNE MAIS CORRESPOND A QUOI?
  51 + if (libusb_kernel_driver_active(handle, interface)) {
  52 + int statusKDriver = libusb_detach_kernel_driver(handle, interface);
  53 + if (statusKDriver != 0) {
  54 + perror("libusb_detach_kernel_driver");
  55 + exit(-1);
  56 + }
  57 + }
  58 +
  59 + // lectures des configs?
  60 + int configuration = 0; // valueof("bConfigurationValue");
  61 + int statusConfig = libusb_set_configuration(handle, configuration);
  62 + if (statusConfig != 0) {
  63 + perror("libusb_set_configuration"); /*exit(-1);*/
  64 + /* }
  65 +*/
  66 + int MAXLEN_DESCRIPTOR_STRING = 200;
  67 + uint8_t desc_idx = 2;
  68 + uint16_t langid = 16;
  69 + unsigned char data[200];
  70 +
  71 +
  72 + for(desc_idx = 0; desc_idx < 5; desc_idx++){
  73 + libusb_get_string_descriptor_ascii(handle, desc_idx,
  74 + data, MAXLEN_DESCRIPTOR_STRING);
  75 +
  76 + printf("Descriptor string : %s\n", data);
  77 +}
  78 + /* ... some ... code */
  79 + libusb_close(handle);
  80 + }
5 81  
  82 + libusb_free_device_list(list, 1);
6 83  
7   -
8   -
9   -
10   -int main(){
11   -
12   -
13   -
14   -
15   -
16   -
17   -//initiate the usb thing
18   -
19   - libusb_context *context;
20   - int status=libusb_init(&context);
21   - if(status!=0) {perror("libusb_init"); exit(-1);}
22   - /* ... some code ... */
23   -
24   -
25   -// actually enumerates all the usb and gives some infos abot the usb things
26   -
27   - libusb_device **list;
28   - ssize_t count=libusb_get_device_list(context,&list);
29   - if(count<0) {perror("libusb_get_device_list"); exit(-1);}
30   - ssize_t i=0;
31   - for(i=0;i<count;i++){
32   - libusb_device *device=list[i];
33   - struct libusb_device_descriptor desc;
34   -
35   - int status=libusb_get_device_descriptor(device,&desc);
36   - if(status!=0) continue;
37   -
38   - uint8_t bus=libusb_get_bus_number(device);
39   - uint8_t address=libusb_get_device_address(device);
40   -
41   - printf("Device Found @ (Bus:Address) %d:%d\n",bus,address);
42   - printf("Vendor ID 0x0%x\n",desc.idVendor);
43   - printf("Product ID 0x0%x\n",desc.idProduct);
44   - }
45   - libusb_free_device_list(list,1);
46   -
47   - libusb_exit(context);
48   - return 0;
  84 + libusb_exit(context);
  85 + return 0;
49 86 }
... ...