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 #ifndef DEVICE_USB_USB_DESCRIPTORS_H_ 6 #define DEVICE_USB_USB_DESCRIPTORS_H_ 7 8 #include <stdint.h> 9 #include <vector> 10 11 namespace device { 12 13 enum UsbTransferType { 14 USB_TRANSFER_CONTROL = 0, 15 USB_TRANSFER_ISOCHRONOUS, 16 USB_TRANSFER_BULK, 17 USB_TRANSFER_INTERRUPT, 18 }; 19 20 enum UsbEndpointDirection { 21 USB_DIRECTION_INBOUND = 0, 22 USB_DIRECTION_OUTBOUND, 23 }; 24 25 enum UsbSynchronizationType { 26 USB_SYNCHRONIZATION_NONE = 0, 27 USB_SYNCHRONIZATION_ASYNCHRONOUS, 28 USB_SYNCHRONIZATION_ADAPTIVE, 29 USB_SYNCHRONIZATION_SYNCHRONOUS, 30 }; 31 32 enum UsbUsageType { 33 USB_USAGE_DATA = 0, 34 USB_USAGE_FEEDBACK, 35 USB_USAGE_EXPLICIT_FEEDBACK 36 }; 37 38 struct UsbEndpointDescriptor { 39 UsbEndpointDescriptor(); 40 ~UsbEndpointDescriptor(); 41 42 typedef std::vector<UsbEndpointDescriptor>::const_iterator Iterator; 43 44 uint8_t address; 45 UsbEndpointDirection direction; 46 uint16_t maximum_packet_size; 47 UsbSynchronizationType synchronization_type; 48 UsbTransferType transfer_type; 49 UsbUsageType usage_type; 50 uint16_t polling_interval; 51 std::vector<uint8_t> extra_data; 52 }; 53 54 struct UsbInterfaceDescriptor { 55 UsbInterfaceDescriptor(); 56 ~UsbInterfaceDescriptor(); 57 58 typedef std::vector<UsbInterfaceDescriptor>::const_iterator Iterator; 59 60 uint8_t interface_number; 61 uint8_t alternate_setting; 62 uint8_t interface_class; 63 uint8_t interface_subclass; 64 uint8_t interface_protocol; 65 std::vector<UsbEndpointDescriptor> endpoints; 66 std::vector<uint8_t> extra_data; 67 }; 68 69 struct UsbConfigDescriptor { 70 UsbConfigDescriptor(); 71 ~UsbConfigDescriptor(); 72 73 uint8_t configuration_value; 74 bool self_powered; 75 bool remote_wakeup; 76 uint16_t maximum_power; 77 std::vector<UsbInterfaceDescriptor> interfaces; 78 std::vector<uint8_t> extra_data; 79 }; 80 81 } // namespace device 82 83 #endif // DEVICE_USB_USB_DESCRIPTORS_H_ 84