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      1 /*
      2  * testlibusb.c
      3  *
      4  *  Test suite program
      5  */
      6 
      7 #include <stdio.h>
      8 #include <string.h>
      9 #include <usb.h>
     10 
     11 int verbose = 0;
     12 
     13 void print_endpoint(struct usb_endpoint_descriptor *endpoint)
     14 {
     15   printf("      bEndpointAddress: %02xh\n", endpoint->bEndpointAddress);
     16   printf("      bmAttributes:     %02xh\n", endpoint->bmAttributes);
     17   printf("      wMaxPacketSize:   %d\n", endpoint->wMaxPacketSize);
     18   printf("      bInterval:        %d\n", endpoint->bInterval);
     19   printf("      bRefresh:         %d\n", endpoint->bRefresh);
     20   printf("      bSynchAddress:    %d\n", endpoint->bSynchAddress);
     21 }
     22 
     23 void print_altsetting(struct usb_interface_descriptor *interface)
     24 {
     25   int i;
     26 
     27   printf("    bInterfaceNumber:   %d\n", interface->bInterfaceNumber);
     28   printf("    bAlternateSetting:  %d\n", interface->bAlternateSetting);
     29   printf("    bNumEndpoints:      %d\n", interface->bNumEndpoints);
     30   printf("    bInterfaceClass:    %d\n", interface->bInterfaceClass);
     31   printf("    bInterfaceSubClass: %d\n", interface->bInterfaceSubClass);
     32   printf("    bInterfaceProtocol: %d\n", interface->bInterfaceProtocol);
     33   printf("    iInterface:         %d\n", interface->iInterface);
     34 
     35   for (i = 0; i < interface->bNumEndpoints; i++)
     36     print_endpoint(&interface->endpoint[i]);
     37 }
     38 
     39 void print_interface(struct usb_interface *interface)
     40 {
     41   int i;
     42 
     43   for (i = 0; i < interface->num_altsetting; i++)
     44     print_altsetting(&interface->altsetting[i]);
     45 }
     46 
     47 void print_configuration(struct usb_config_descriptor *config)
     48 {
     49   int i;
     50 
     51   printf("  wTotalLength:         %d\n", config->wTotalLength);
     52   printf("  bNumInterfaces:       %d\n", config->bNumInterfaces);
     53   printf("  bConfigurationValue:  %d\n", config->bConfigurationValue);
     54   printf("  iConfiguration:       %d\n", config->iConfiguration);
     55   printf("  bmAttributes:         %02xh\n", config->bmAttributes);
     56   printf("  MaxPower:             %d\n", config->MaxPower);
     57 
     58   for (i = 0; i < config->bNumInterfaces; i++)
     59     print_interface(&config->interface[i]);
     60 }
     61 
     62 int print_device(struct usb_device *dev, int level)
     63 {
     64   usb_dev_handle *udev;
     65   char description[256];
     66   char string[256];
     67   int ret, i;
     68 
     69   udev = usb_open(dev);
     70   if (udev) {
     71     if (dev->descriptor.iManufacturer) {
     72       ret = usb_get_string_simple(udev, dev->descriptor.iManufacturer, string, sizeof(string));
     73       if (ret > 0)
     74         snprintf(description, sizeof(description), "%s - ", string);
     75       else
     76         snprintf(description, sizeof(description), "%04X - ",
     77                  dev->descriptor.idVendor);
     78     } else
     79       snprintf(description, sizeof(description), "%04X - ",
     80                dev->descriptor.idVendor);
     81 
     82     if (dev->descriptor.iProduct) {
     83       ret = usb_get_string_simple(udev, dev->descriptor.iProduct, string, sizeof(string));
     84       if (ret > 0)
     85         snprintf(description + strlen(description), sizeof(description) -
     86                  strlen(description), "%s", string);
     87       else
     88         snprintf(description + strlen(description), sizeof(description) -
     89                  strlen(description), "%04X", dev->descriptor.idProduct);
     90     } else
     91       snprintf(description + strlen(description), sizeof(description) -
     92                strlen(description), "%04X", dev->descriptor.idProduct);
     93 
     94   } else
     95     snprintf(description, sizeof(description), "%04X - %04X",
     96              dev->descriptor.idVendor, dev->descriptor.idProduct);
     97 
     98   printf("%.*sDev #%d: %s\n", level * 2, "                    ", dev->devnum,
     99          description);
    100 
    101   if (udev && verbose) {
    102     if (dev->descriptor.iSerialNumber) {
    103       ret = usb_get_string_simple(udev, dev->descriptor.iSerialNumber, string, sizeof(string));
    104       if (ret > 0)
    105         printf("%.*s  - Serial Number: %s\n", level * 2,
    106                "                    ", string);
    107     }
    108   }
    109 
    110   if (udev)
    111     usb_close(udev);
    112 
    113   if (verbose) {
    114     if (!dev->config) {
    115       printf("  Couldn't retrieve descriptors\n");
    116       return 0;
    117     }
    118 
    119     for (i = 0; i < dev->descriptor.bNumConfigurations; i++)
    120       print_configuration(&dev->config[i]);
    121   } else {
    122     for (i = 0; i < dev->num_children; i++)
    123       print_device(dev->children[i], level + 1);
    124   }
    125 
    126   return 0;
    127 }
    128 
    129 int main(int argc, char *argv[])
    130 {
    131   struct usb_bus *bus;
    132 
    133   if (argc > 1 && !strcmp(argv[1], "-v"))
    134     verbose = 1;
    135 
    136   usb_init();
    137 
    138   usb_find_busses();
    139   usb_find_devices();
    140 
    141   for (bus = usb_busses; bus; bus = bus->next) {
    142     if (bus->root_dev && !verbose)
    143       print_device(bus->root_dev, 0);
    144     else {
    145       struct usb_device *dev;
    146 
    147       for (dev = bus->devices; dev; dev = dev->next)
    148         print_device(dev, 0);
    149     }
    150   }
    151 
    152   return 0;
    153 }
    154 
    155