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Difference between revisions of "User talk:JPwnx"
(New page: '''Lib-Usb Command? You Tell Me!''' →testlibusb.c from LQ: #include <stdio.h> #include <string.h> #include <usb.h> void print_endpoint(struct usb_endpoint_descriptor *endpoint) {...) |
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| − | '''Lib-Usb Command? You Tell Me!''' |
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| − | /* testlibusb.c from LQ*/ |
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| − | #include <stdio.h> |
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| − | #include <string.h> |
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| − | #include <usb.h> |
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| − | void print_endpoint(struct usb_endpoint_descriptor *endpoint) |
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| − | { |
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| − | printf(" bEndpointAddress: %02xh\n", endpoint->bEndpointAddress); |
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| − | printf(" bmAttributes: %02xh\n", endpoint->bmAttributes); |
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| − | printf(" wMaxPacketSize: %d\n", endpoint->wMaxPacketSize); |
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| − | printf(" bInterval: %d\n", endpoint->bInterval); |
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| − | printf(" bRefresh: %d\n", endpoint->bRefresh); |
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| − | printf(" bSynchAddress: %d\n", endpoint->bSynchAddress); |
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| − | } |
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| − | void print_altsetting(struct usb_interface_descriptor *interface) |
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| − | { |
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| − | int i; |
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| − | printf(" bInterfaceNumber: %d\n", interface->bInterfaceNumber); |
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| − | printf(" bAlternateSetting: %d\n", interface->bAlternateSetting); |
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| − | printf(" bNumEndpoints: %d\n", interface->bNumEndpoints); |
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| − | printf(" bInterfaceClass: %d\n", interface->bInterfaceClass); |
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| − | printf(" bInterfaceSubClass: %d\n", interface->bInterfaceSubClass); |
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| − | printf(" bInterfaceProtocol: %d\n", interface->bInterfaceProtocol); |
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| − | printf(" iInterface: %d\n", interface->iInterface); |
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| − | for (i = 0; i < interface->bNumEndpoints; i++) |
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| − | print_endpoint(&interface->endpoint[i]); |
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| − | } |
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| − | void print_interface(struct usb_interface *interface) |
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| − | { |
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| − | int i; |
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| − | for (i = 0; i < interface->num_altsetting; i++) |
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| − | print_altsetting(&interface->altsetting[i]); |
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| − | } |
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| − | void print_configuration(struct usb_config_descriptor *config) |
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| − | { |
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| − | int i; |
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| − | printf(" wTotalLength: %d\n", config->wTotalLength); |
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| − | printf(" bNumInterfaces: %d\n", config->bNumInterfaces); |
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| − | printf(" bConfigurationValue: %d\n", config->bConfigurationValue); |
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| − | printf(" iConfiguration: %d\n", config->iConfiguration); |
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| − | printf(" bmAttributes: %02xh\n", config->bmAttributes); |
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| − | printf(" MaxPower: %d\n", config->MaxPower); |
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| − | for (i = 0; i < config->bNumInterfaces; i++) |
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| − | print_interface(&config->interface[i]); |
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| − | } |
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| − | int main(void) |
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| − | { |
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| − | struct usb_bus *bus; |
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| − | struct usb_device *dev; |
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| − | usb_init(); |
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| − | usb_find_busses(); |
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| − | usb_find_devices(); |
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| − | printf("bus/device idVendor/idProduct\n"); |
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| − | for (bus = usb_busses; bus; bus = bus->next) { |
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| − | for (dev = bus->devices; dev; dev = dev->next) { |
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| − | int ret, i; |
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| − | char string[256]; |
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| − | usb_dev_handle *udev; |
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| − | printf("%s/%s %04X/%04X\n", bus->dirname, dev->filename, |
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| − | dev->descriptor.idVendor, dev->descriptor.idProduct); |
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| − | udev = usb_open(dev); |
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| − | if (udev) { |
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| − | if (dev->descriptor.iManufacturer) { |
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| − | ret = usb_get_string_simple(udev, dev->descriptor.iManufacturer, string, sizeof(string)); |
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| − | if (ret > 0) |
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| − | printf("- Manufacturer : %s\n", string); |
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| − | else |
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| − | printf("- Unable to fetch manufacturer string\n"); |
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| − | } |
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| − | if (dev->descriptor.iProduct) { |
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| − | ret = usb_get_string_simple(udev, dev->descriptor.iProduct, string, sizeof(string)); |
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| − | if (ret > 0) |
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| − | printf("- Product : %s\n", string); |
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| − | else |
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| − | printf("- Unable to fetch product string\n"); |
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| − | } |
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| − | if (dev->descriptor.iSerialNumber) { |
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| − | ret = usb_get_string_simple(udev, dev->descriptor.iSerialNumber, string, sizeof(string)); |
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| − | if (ret > 0) |
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| − | printf("- Serial Number: %s\n", string); |
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| − | else |
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| − | printf("- Unable to fetch serial number string\n"); |
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| − | } |
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| − | usb_close (udev); |
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| − | } |
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| − | if (!dev->config) { |
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| − | printf(" Couldn't retrieve descriptors\n"); |
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| − | continue; |
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| − | } |
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| − | for (i = 0; i < dev->descriptor.bNumConfigurations; i++) |
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| − | print_configuration(&dev->config[i]); |
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| − | } |
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| − | } |
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