diff options
Diffstat (limited to 'examples/testlibusb.c')
| -rw-r--r-- | examples/testlibusb.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/examples/testlibusb.c b/examples/testlibusb.c new file mode 100644 index 0000000..4ca0b59 --- /dev/null +++ b/examples/testlibusb.c @@ -0,0 +1,154 @@ +/* + * testlibusb.c + * + * Test suite program + */ + +#include <stdio.h> +#include <string.h> +#include <usb.h> + +int verbose = 0; + +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[i]); +} + +void print_interface(struct usb_interface *interface) +{ + int i; + + for (i = 0; i < interface->num_altsetting; i++) + print_altsetting(&interface->altsetting[i]); +} + +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[i]); +} + +int print_device(struct usb_device *dev, int level) +{ + usb_dev_handle *udev; + char description[256]; + char string[256]; + int ret, i; + + udev = usb_open(dev); + if (udev) { + if (dev->descriptor.iManufacturer) { + ret = usb_get_string_simple(udev, dev->descriptor.iManufacturer, string, sizeof(string)); + if (ret > 0) + snprintf(description, sizeof(description), "%s - ", string); + else + snprintf(description, sizeof(description), "%04X - ", + dev->descriptor.idVendor); + } else + snprintf(description, sizeof(description), "%04X - ", + dev->descriptor.idVendor); + + if (dev->descriptor.iProduct) { + ret = usb_get_string_simple(udev, dev->descriptor.iProduct, string, sizeof(string)); + if (ret > 0) + snprintf(description + strlen(description), sizeof(description) - + strlen(description), "%s", string); + else + snprintf(description + strlen(description), sizeof(description) - + strlen(description), "%04X", dev->descriptor.idProduct); + } else + snprintf(description + strlen(description), sizeof(description) - + strlen(description), "%04X", dev->descriptor.idProduct); + + } else + snprintf(description, sizeof(description), "%04X - %04X", + dev->descriptor.idVendor, dev->descriptor.idProduct); + + printf("%.*sDev #%d: %s\n", level * 2, " ", dev->devnum, + description); + + if (udev && verbose) { + if (dev->descriptor.iSerialNumber) { + ret = usb_get_string_simple(udev, dev->descriptor.iSerialNumber, string, sizeof(string)); + if (ret > 0) + printf("%.*s - Serial Number: %s\n", level * 2, + " ", string); + } + } + + if (udev) + usb_close(udev); + + if (verbose) { + if (!dev->config) { + printf(" Couldn't retrieve descriptors\n"); + return 0; + } + + for (i = 0; i < dev->descriptor.bNumConfigurations; i++) + print_configuration(&dev->config[i]); + } else { + for (i = 0; i < dev->num_children; i++) + print_device(dev->children[i], level + 1); + } + + return 0; +} + +int main(int argc, char *argv[]) +{ + struct usb_bus *bus; + + if (argc > 1 && !strcmp(argv[1], "-v")) + verbose = 1; + + usb_init(); + + usb_find_busses(); + usb_find_devices(); + + for (bus = usb_busses; bus; bus = bus->next) { + if (bus->root_dev && !verbose) + print_device(bus->root_dev, 0); + else { + struct usb_device *dev; + + for (dev = bus->devices; dev; dev = dev->next) + print_device(dev, 0); + } + } + + return 0; +} + |