154 lines
4.5 KiB
C
154 lines
4.5 KiB
C
/*
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* testlibusb.c
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*
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* Test suite program
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*/
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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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int verbose = 0;
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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 print_device(struct usb_device *dev, int level)
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{
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usb_dev_handle *udev;
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char description[256];
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char string[256];
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int ret, i;
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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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snprintf(description, sizeof(description), "%s - ", string);
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else
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snprintf(description, sizeof(description), "%04X - ",
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dev->descriptor.idVendor);
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} else
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snprintf(description, sizeof(description), "%04X - ",
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dev->descriptor.idVendor);
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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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snprintf(description + strlen(description), sizeof(description) -
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strlen(description), "%s", string);
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else
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snprintf(description + strlen(description), sizeof(description) -
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strlen(description), "%04X", dev->descriptor.idProduct);
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} else
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snprintf(description + strlen(description), sizeof(description) -
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strlen(description), "%04X", dev->descriptor.idProduct);
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} else
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snprintf(description, sizeof(description), "%04X - %04X",
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dev->descriptor.idVendor, dev->descriptor.idProduct);
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printf("%.*sDev #%d: %s\n", level * 2, " ", dev->devnum,
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description);
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if (udev && verbose) {
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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("%.*s - Serial Number: %s\n", level * 2,
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" ", string);
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}
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}
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if (udev)
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usb_close(udev);
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if (verbose) {
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if (!dev->config) {
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printf(" Couldn't retrieve descriptors\n");
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return 0;
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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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} else {
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for (i = 0; i < dev->num_children; i++)
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print_device(dev->children[i], level + 1);
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}
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return 0;
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}
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int main(int argc, char *argv[])
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{
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struct usb_bus *bus;
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if (argc > 1 && !strcmp(argv[1], "-v"))
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verbose = 1;
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usb_init();
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usb_find_busses();
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usb_find_devices();
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for (bus = usb_busses; bus; bus = bus->next) {
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if (bus->root_dev && !verbose)
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print_device(bus->root_dev, 0);
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else {
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struct usb_device *dev;
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for (dev = bus->devices; dev; dev = dev->next)
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print_device(dev, 0);
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}
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}
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return 0;
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}
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