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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "device/usb/usb_interface_impl.h" |
| 6 |
| 7 #include "base/logging.h" |
| 8 #include "third_party/libusb/src/libusb/libusb.h" |
| 9 |
| 10 namespace device { |
| 11 |
| 12 UsbEndpointDescriptorImpl::UsbEndpointDescriptorImpl( |
| 13 scoped_refptr<const UsbConfigDescriptor> config, |
| 14 PlatformUsbEndpointDescriptor descriptor) |
| 15 : config_(config), descriptor_(descriptor) { |
| 16 } |
| 17 |
| 18 UsbEndpointDescriptorImpl::~UsbEndpointDescriptorImpl() { |
| 19 } |
| 20 |
| 21 int UsbEndpointDescriptorImpl::GetAddress() const { |
| 22 return descriptor_->bEndpointAddress & LIBUSB_ENDPOINT_ADDRESS_MASK; |
| 23 } |
| 24 |
| 25 UsbEndpointDirection UsbEndpointDescriptorImpl::GetDirection() const { |
| 26 switch (descriptor_->bEndpointAddress & LIBUSB_ENDPOINT_DIR_MASK) { |
| 27 case LIBUSB_ENDPOINT_IN: |
| 28 return USB_DIRECTION_INBOUND; |
| 29 case LIBUSB_ENDPOINT_OUT: |
| 30 return USB_DIRECTION_OUTBOUND; |
| 31 default: |
| 32 NOTREACHED(); |
| 33 return USB_DIRECTION_INBOUND; |
| 34 } |
| 35 } |
| 36 |
| 37 int UsbEndpointDescriptorImpl::GetMaximumPacketSize() const { |
| 38 return descriptor_->wMaxPacketSize; |
| 39 } |
| 40 |
| 41 UsbSynchronizationType UsbEndpointDescriptorImpl::GetSynchronizationType() |
| 42 const { |
| 43 switch (descriptor_->bmAttributes & LIBUSB_ISO_SYNC_TYPE_MASK) { |
| 44 case LIBUSB_ISO_SYNC_TYPE_NONE: |
| 45 return USB_SYNCHRONIZATION_NONE; |
| 46 case LIBUSB_ISO_SYNC_TYPE_ASYNC: |
| 47 return USB_SYNCHRONIZATION_ASYNCHRONOUS; |
| 48 case LIBUSB_ISO_SYNC_TYPE_ADAPTIVE: |
| 49 return USB_SYNCHRONIZATION_ADAPTIVE; |
| 50 case LIBUSB_ISO_SYNC_TYPE_SYNC: |
| 51 return USB_SYNCHRONIZATION_SYNCHRONOUS; |
| 52 default: |
| 53 NOTREACHED(); |
| 54 return USB_SYNCHRONIZATION_NONE; |
| 55 } |
| 56 } |
| 57 |
| 58 UsbTransferType UsbEndpointDescriptorImpl::GetTransferType() const { |
| 59 switch (descriptor_->bmAttributes & LIBUSB_TRANSFER_TYPE_MASK) { |
| 60 case LIBUSB_TRANSFER_TYPE_CONTROL: |
| 61 return USB_TRANSFER_CONTROL; |
| 62 case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS: |
| 63 return USB_TRANSFER_ISOCHRONOUS; |
| 64 case LIBUSB_TRANSFER_TYPE_BULK: |
| 65 return USB_TRANSFER_BULK; |
| 66 case LIBUSB_TRANSFER_TYPE_INTERRUPT: |
| 67 return USB_TRANSFER_INTERRUPT; |
| 68 default: |
| 69 NOTREACHED(); |
| 70 return USB_TRANSFER_CONTROL; |
| 71 } |
| 72 } |
| 73 |
| 74 UsbUsageType UsbEndpointDescriptorImpl::GetUsageType() const { |
| 75 switch (descriptor_->bmAttributes & LIBUSB_ISO_USAGE_TYPE_MASK) { |
| 76 case LIBUSB_ISO_USAGE_TYPE_DATA: |
| 77 return USB_USAGE_DATA; |
| 78 case LIBUSB_ISO_USAGE_TYPE_FEEDBACK: |
| 79 return USB_USAGE_FEEDBACK; |
| 80 case LIBUSB_ISO_USAGE_TYPE_IMPLICIT: |
| 81 return USB_USAGE_EXPLICIT_FEEDBACK; |
| 82 default: |
| 83 NOTREACHED(); |
| 84 return USB_USAGE_DATA; |
| 85 } |
| 86 } |
| 87 |
| 88 int UsbEndpointDescriptorImpl::GetPollingInterval() const { |
| 89 return descriptor_->bInterval; |
| 90 } |
| 91 |
| 92 UsbInterfaceAltSettingDescriptorImpl::UsbInterfaceAltSettingDescriptorImpl( |
| 93 scoped_refptr<const UsbConfigDescriptor> config, |
| 94 PlatformUsbInterfaceDescriptor descriptor) |
| 95 : config_(config), descriptor_(descriptor) { |
| 96 } |
| 97 |
| 98 UsbInterfaceAltSettingDescriptorImpl::~UsbInterfaceAltSettingDescriptorImpl() { |
| 99 } |
| 100 |
| 101 size_t UsbInterfaceAltSettingDescriptorImpl::GetNumEndpoints() const { |
| 102 return descriptor_->bNumEndpoints; |
| 103 } |
| 104 |
| 105 scoped_refptr<const UsbEndpointDescriptor> |
| 106 UsbInterfaceAltSettingDescriptorImpl::GetEndpoint(size_t index) const { |
| 107 return new UsbEndpointDescriptorImpl(config_, &descriptor_->endpoint[index]); |
| 108 } |
| 109 |
| 110 int UsbInterfaceAltSettingDescriptorImpl::GetInterfaceNumber() const { |
| 111 return descriptor_->bInterfaceNumber; |
| 112 } |
| 113 |
| 114 int UsbInterfaceAltSettingDescriptorImpl::GetAlternateSetting() const { |
| 115 return descriptor_->bAlternateSetting; |
| 116 } |
| 117 |
| 118 int UsbInterfaceAltSettingDescriptorImpl::GetInterfaceClass() const { |
| 119 return descriptor_->bInterfaceClass; |
| 120 } |
| 121 |
| 122 int UsbInterfaceAltSettingDescriptorImpl::GetInterfaceSubclass() const { |
| 123 return descriptor_->bInterfaceSubClass; |
| 124 } |
| 125 |
| 126 int UsbInterfaceAltSettingDescriptorImpl::GetInterfaceProtocol() const { |
| 127 return descriptor_->bInterfaceProtocol; |
| 128 } |
| 129 |
| 130 UsbInterfaceDescriptorImpl::UsbInterfaceDescriptorImpl( |
| 131 scoped_refptr<const UsbConfigDescriptor> config, |
| 132 PlatformUsbInterface usbInterface) |
| 133 : config_(config), interface_(usbInterface) { |
| 134 } |
| 135 |
| 136 UsbInterfaceDescriptorImpl::~UsbInterfaceDescriptorImpl() { |
| 137 } |
| 138 |
| 139 size_t UsbInterfaceDescriptorImpl::GetNumAltSettings() const { |
| 140 return interface_->num_altsetting; |
| 141 } |
| 142 |
| 143 scoped_refptr<const UsbInterfaceAltSettingDescriptor> |
| 144 UsbInterfaceDescriptorImpl::GetAltSetting(size_t index) const { |
| 145 return new UsbInterfaceAltSettingDescriptorImpl( |
| 146 config_, &interface_->altsetting[index]); |
| 147 } |
| 148 |
| 149 UsbConfigDescriptorImpl::UsbConfigDescriptorImpl( |
| 150 PlatformUsbConfigDescriptor config) |
| 151 : config_(config) { |
| 152 DCHECK(config); |
| 153 } |
| 154 |
| 155 UsbConfigDescriptorImpl::~UsbConfigDescriptorImpl() { |
| 156 libusb_free_config_descriptor(config_); |
| 157 } |
| 158 |
| 159 size_t UsbConfigDescriptorImpl::GetNumInterfaces() const { |
| 160 return config_->bNumInterfaces; |
| 161 } |
| 162 |
| 163 scoped_refptr<const UsbInterfaceDescriptor> |
| 164 UsbConfigDescriptorImpl::GetInterface(size_t index) const { |
| 165 return new UsbInterfaceDescriptorImpl(this, &config_->interface[index]); |
| 166 } |
| 167 |
| 168 } // namespace device |
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