gperson / TutoratPersonChemin

Commit fef0523768663e28e72fddcf80a2c7a55c0cefae

Authored by achemin1
1 parent 533260c1

ajout condition pour mieux afficher les string

Showing 1 changed file with 25 additions and 24 deletions   Show diff stats
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src/GetUsbInfos.c
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... ... @@ -45,36 +45,37 @@ int main() {
45 45 perror("libusb_open");
46 46 exit(-1);
47 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   - }
  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 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   -*/
  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 66 int MAXLEN_DESCRIPTOR_STRING = 200;
67 67 uint8_t desc_idx = 2;
68 68 uint16_t langid = 16;
69 69 unsigned char data[200];
70 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   -}
  71 + // TEST 16
  72 + for (desc_idx = 0; desc_idx < 16; desc_idx++) {
  73 + int statusAscii = libusb_get_string_descriptor_ascii(
  74 + handle, desc_idx, data, MAXLEN_DESCRIPTOR_STRING);
  75 + if (statusAscii == -9) // TEST seems to be LIBUSB_ERROR
  76 + break;
  77 + printf("Descriptor string : %s ; %i\n", data, statusAscii);
  78 + }
78 79 /* ... some ... code */
79 80 libusb_close(handle);
80 81 }
... ...