标题: libusb在arm上的编译（2） [打印本页]

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作者: yuyang911220    时间: 2014-9-26 21:06     标题: libusb在arm上的编译（2）

#include <stdio.h>
#include <stdlib.h>
#include <usb.h>
void print_endpoint(struct usb_endpoint_descriptor *endpoint)
{
printf(" bEndpointAddress: %02xh\n", endpoint->bEndpointAddress);
printf(" bmAttributes: %02xh\n", endpoint->bmAttributes);
printf(" wMaxPacketSize: %d\n", endpoint->wMaxPacketSize);
printf(" bInterval: %d\n", endpoint->bInterval);
printf(" bRefresh: %d\n", endpoint->bRefresh);
printf(" bSynchAddress: %d\n", endpoint->bSynchAddress);
}


void print_altsetting(struct usb_interface_descriptor *interface)
{
int i;

printf(" bInterfaceNumber: %d\n", interface->bInterfaceNumber);
printf(" bAlternateSetting: %d\n", interface->bAlternateSetting);
printf(" bNumEndpoints: %d\n", interface->bNumEndpoints);
printf(" bInterfaceClass: %d\n", interface->bInterfaceClass);
printf(" bInterfaceSubClass: %d\n", interface->bInterfaceSubClass);
printf(" bInterfaceProtocol: %d\n", interface->bInterfaceProtocol);
printf(" iInterface: %d\n", interface->iInterface);

for (i =
0; i <
interface->bNumEndpoints; i++)
print_endpoint(&interface->endpoint);
}


void print_interface(struct usb_interface *interface)
{
int i;

for (i =
0; i <
interface->num_altsetting; i++)
print_altsetting(&interface->altsetting);
}


void print_configuration(struct usb_config_descriptor *config)
{
int i;

printf(" wTotalLength: %d\n", config->wTotalLength);
printf(" bNumInterfaces: %d\n", config->bNumInterfaces);
printf(" bConfigurationValue: %d\n", config->bConfigurationValue);
printf(" iConfiguration: %d\n", config->iConfiguration);
printf(" bmAttributes: %02xh\n", config->bmAttributes);
printf(" MaxPower: %d\n", config->MaxPower);

for (i =
0; i < config->bNumInterfaces; i++)
print_interface(&config->interface);
}

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