diff options
| author | Tom Rix <Tom.Rix@windriver.com> | 2009-10-31 12:37:39 -0500 |
|---|---|---|
| committer | Remy Bohmer <linux@bohmer.net> | 2009-12-20 12:47:37 +0100 |
| commit | 988365a2048356f94ed0c294009233317c9fb4b2 (patch) | |
| tree | 0d59abec6a42e447f46a34ad837d3c70567a6fd6 /include/usbdescriptors.h | |
| parent | 8f8bd565f35ff8a068727bfcf8975c50df082043 (diff) | |
USB add macros for debugging usb device setup.
When developing usb device features, it is useful to print out
common usb structures.
Signed-off-by: Tom Rix <Tom.Rix@windriver.com>
Diffstat (limited to 'include/usbdescriptors.h')
| -rw-r--r-- | include/usbdescriptors.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/usbdescriptors.h b/include/usbdescriptors.h index a752097e5b..2dec3b93d6 100644 --- a/include/usbdescriptors.h +++ b/include/usbdescriptors.h @@ -504,4 +504,30 @@ struct usb_class_descriptor { } __attribute__ ((packed)); +#ifdef DEBUG +static inline void print_device_descriptor(struct usb_device_descriptor *d) +{ + serial_printf("usb device descriptor \n"); + serial_printf("\tbLength %2.2x\n", d->bLength); + serial_printf("\tbDescriptorType %2.2x\n", d->bDescriptorType); + serial_printf("\tbcdUSB %4.4x\n", d->bcdUSB); + serial_printf("\tbDeviceClass %2.2x\n", d->bDeviceClass); + serial_printf("\tbDeviceSubClass %2.2x\n", d->bDeviceSubClass); + serial_printf("\tbDeviceProtocol %2.2x\n", d->bDeviceProtocol); + serial_printf("\tbMaxPacketSize0 %2.2x\n", d->bMaxPacketSize0); + serial_printf("\tidVendor %4.4x\n", d->idVendor); + serial_printf("\tidProduct %4.4x\n", d->idProduct); + serial_printf("\tbcdDevice %4.4x\n", d->bcdDevice); + serial_printf("\tiManufacturer %2.2x\n", d->iManufacturer); + serial_printf("\tiProduct %2.2x\n", d->iProduct); + serial_printf("\tiSerialNumber %2.2x\n", d->iSerialNumber); + serial_printf("\tbNumConfigurations %2.2x\n", d->bNumConfigurations); +} + +#else + +/* stubs */ +#define print_device_descriptor(d) + +#endif /* DEBUG */ #endif |