blob: 3682a718fa72f84ad0cc9de672af045460fe2f84 [file] [log] [blame]
// Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "mist/usb_endpoint_descriptor.h"
#include <libusb.h>
#include <base/logging.h>
#include <base/strings/stringprintf.h>
using base::StringPrintf;
using std::ostream;
using std::string;
namespace mist {
UsbEndpointDescriptor::UsbEndpointDescriptor(
const libusb_endpoint_descriptor* endpoint_descriptor)
: endpoint_descriptor_(endpoint_descriptor) {
CHECK(endpoint_descriptor_);
}
uint8_t UsbEndpointDescriptor::GetLength() const {
return endpoint_descriptor_->bLength;
}
uint8_t UsbEndpointDescriptor::GetDescriptorType() const {
return endpoint_descriptor_->bDescriptorType;
}
uint8_t UsbEndpointDescriptor::GetEndpointAddress() const {
return endpoint_descriptor_->bEndpointAddress;
}
uint8_t UsbEndpointDescriptor::GetEndpointNumber() const {
return GetEndpointAddress() & LIBUSB_ENDPOINT_ADDRESS_MASK;
}
uint8_t UsbEndpointDescriptor::GetAttributes() const {
return endpoint_descriptor_->bmAttributes;
}
uint16_t UsbEndpointDescriptor::GetMaxPacketSize() const {
return endpoint_descriptor_->wMaxPacketSize;
}
uint8_t UsbEndpointDescriptor::GetInterval() const {
return endpoint_descriptor_->bInterval;
}
UsbDirection UsbEndpointDescriptor::GetDirection() const {
uint8_t direction = GetEndpointAddress() & LIBUSB_ENDPOINT_DIR_MASK;
return (direction == LIBUSB_ENDPOINT_IN) ? kUsbDirectionIn : kUsbDirectionOut;
}
UsbTransferType UsbEndpointDescriptor::GetTransferType() const {
return static_cast<UsbTransferType>(GetAttributes() &
LIBUSB_TRANSFER_TYPE_MASK);
}
string UsbEndpointDescriptor::ToString() const {
return StringPrintf("Endpoint (Length=%u, "
"DescriptorType=%u, "
"EndpointAddress=0x%02x, "
"EndpointNumber=%u, "
"Attributes=0x%02x, "
"MaxPacketSize=%u, "
"Interval=%u, "
"Direction=%s, "
"TransferType=%s)",
GetLength(),
GetDescriptorType(),
GetEndpointAddress(),
GetEndpointNumber(),
GetAttributes(),
GetMaxPacketSize(),
GetInterval(),
UsbDirectionToString(GetDirection()),
UsbTransferTypeToString(GetTransferType()));
}
} // namespace mist
ostream& operator<<(ostream& stream,
const mist::UsbEndpointDescriptor& endpoint_descriptor) {
stream << endpoint_descriptor.ToString();
return stream;
}