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authorTom Rix <Tom.Rix@windriver.com>2009-10-31 12:37:39 -0500
committerRemy Bohmer <linux@bohmer.net>2009-12-20 12:47:37 +0100
commit988365a2048356f94ed0c294009233317c9fb4b2 (patch)
tree0d59abec6a42e447f46a34ad837d3c70567a6fd6
parent8f8bd565f35ff8a068727bfcf8975c50df082043 (diff)
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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>
-rw-r--r--include/usbdescriptors.h26
-rw-r--r--include/usbdevice.h103
2 files changed, 129 insertions, 0 deletions
diff --git a/include/usbdescriptors.h b/include/usbdescriptors.h
index a752097..2dec3b9 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
diff --git a/include/usbdevice.h b/include/usbdevice.h
index 206dbbc..4171636 100644
--- a/include/usbdevice.h
+++ b/include/usbdevice.h
@@ -663,4 +663,107 @@ int usbd_endpoint_halted (struct usb_device_instance *device, int endpoint);
void usbd_rcv_complete(struct usb_endpoint_instance *endpoint, int len, int urb_bad);
void usbd_tx_complete (struct usb_endpoint_instance *endpoint);
+/* These are macros used in debugging */
+#ifdef DEBUG
+static inline void print_urb(struct urb *u)
+{
+ serial_printf("urb %p\n", (u));
+ serial_printf("\tendpoint %p\n", u->endpoint);
+ serial_printf("\tdevice %p\n", u->device);
+ serial_printf("\tbuffer %p\n", u->buffer);
+ serial_printf("\tbuffer_length %d\n", u->buffer_length);
+ serial_printf("\tactual_length %d\n", u->actual_length);
+ serial_printf("\tstatus %d\n", u->status);
+ serial_printf("\tdata %d\n", u->data);
+}
+
+static inline void print_usb_device_request(struct usb_device_request *r)
+{
+ serial_printf("usb request\n");
+ serial_printf("\tbmRequestType 0x%2.2x\n", r->bmRequestType);
+ if ((r->bmRequestType & USB_REQ_DIRECTION_MASK) == 0)
+ serial_printf("\t\tDirection : To device\n");
+ else
+ serial_printf("\t\tDirection : To host\n");
+ if ((r->bmRequestType & USB_TYPE_STANDARD) == USB_TYPE_STANDARD)
+ serial_printf("\t\tType : Standard\n");
+ if ((r->bmRequestType & USB_TYPE_CLASS) == USB_TYPE_CLASS)
+ serial_printf("\t\tType : Standard\n");
+ if ((r->bmRequestType & USB_TYPE_VENDOR) == USB_TYPE_VENDOR)
+ serial_printf("\t\tType : Standard\n");
+ if ((r->bmRequestType & USB_TYPE_RESERVED) == USB_TYPE_RESERVED)
+ serial_printf("\t\tType : Standard\n");
+ if ((r->bmRequestType & USB_REQ_RECIPIENT_MASK) ==
+ USB_REQ_RECIPIENT_DEVICE)
+ serial_printf("\t\tRecipient : Device\n");
+ if ((r->bmRequestType & USB_REQ_RECIPIENT_MASK) ==
+ USB_REQ_RECIPIENT_INTERFACE)
+ serial_printf("\t\tRecipient : Interface\n");
+ if ((r->bmRequestType & USB_REQ_RECIPIENT_MASK) ==
+ USB_REQ_RECIPIENT_ENDPOINT)
+ serial_printf("\t\tRecipient : Endpoint\n");
+ if ((r->bmRequestType & USB_REQ_RECIPIENT_MASK) ==
+ USB_REQ_RECIPIENT_OTHER)
+ serial_printf("\t\tRecipient : Other\n");
+ serial_printf("\tbRequest 0x%2.2x\n", r->bRequest);
+ if (r->bRequest == USB_REQ_GET_STATUS)
+ serial_printf("\t\tGET_STATUS\n");
+ else if (r->bRequest == USB_REQ_SET_ADDRESS)
+ serial_printf("\t\tSET_ADDRESS\n");
+ else if (r->bRequest == USB_REQ_SET_FEATURE)
+ serial_printf("\t\tSET_FEATURE\n");
+ else if (r->bRequest == USB_REQ_GET_DESCRIPTOR)
+ serial_printf("\t\tGET_DESCRIPTOR\n");
+ else if (r->bRequest == USB_REQ_SET_CONFIGURATION)
+ serial_printf("\t\tSET_CONFIGURATION\n");
+ else if (r->bRequest == USB_REQ_SET_INTERFACE)
+ serial_printf("\t\tUSB_REQ_SET_INTERFACE\n");
+ else
+ serial_printf("\tUNKNOWN %d\n", r->bRequest);
+ serial_printf("\twValue 0x%4.4x\n", r->wValue);
+ if (r->bRequest == USB_REQ_GET_DESCRIPTOR) {
+ switch (r->wValue >> 8) {
+ case USB_DESCRIPTOR_TYPE_DEVICE:
+ serial_printf("\tDEVICE\n");
+ break;
+ case USB_DESCRIPTOR_TYPE_CONFIGURATION:
+ serial_printf("\tCONFIGURATION\n");
+ break;
+ case USB_DESCRIPTOR_TYPE_STRING:
+ serial_printf("\tSTRING\n");
+ break;
+ case USB_DESCRIPTOR_TYPE_INTERFACE:
+ serial_printf("\tINTERFACE\n");
+ break;
+ case USB_DESCRIPTOR_TYPE_ENDPOINT:
+ serial_printf("\tENDPOINT\n");
+ break;
+ case USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER:
+ serial_printf("\tDEVICE_QUALIFIER\n");
+ break;
+ case USB_DESCRIPTOR_TYPE_OTHER_SPEED_CONFIGURATION:
+ serial_printf("\tOTHER_SPEED_CONFIGURATION\n");
+ break;
+ case USB_DESCRIPTOR_TYPE_INTERFACE_POWER:
+ serial_printf("\tINTERFACE_POWER\n");
+ break;
+ case USB_DESCRIPTOR_TYPE_HID:
+ serial_printf("\tHID\n");
+ break;
+ case USB_DESCRIPTOR_TYPE_REPORT:
+ serial_printf("\tREPORT\n");
+ break;
+ default:
+ serial_printf("\tUNKNOWN TYPE\n");
+ break;
+ }
+ }
+ serial_printf("\twIndex 0x%4.4x\n", r->wIndex);
+ serial_printf("\twLength 0x%4.4x\n", r->wLength);
+}
+#else
+/* stubs */
+#define print_urb(u)
+#define print_usb_device_request(r)
+#endif /* DEBUG */
#endif