mirror of https://github.com/ARMmbed/mbed-os.git
75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/* mbed Microcontroller Library
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* Copyright (c) 2018-2018 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef USBDESCRIPTOR_H
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#define USBDESCRIPTOR_H
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/* Standard descriptor types */
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#define DEVICE_DESCRIPTOR (1)
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#define CONFIGURATION_DESCRIPTOR (2)
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#define STRING_DESCRIPTOR (3)
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#define INTERFACE_DESCRIPTOR (4)
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#define ENDPOINT_DESCRIPTOR (5)
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#define QUALIFIER_DESCRIPTOR (6)
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/* Standard descriptor lengths */
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#define DEVICE_DESCRIPTOR_LENGTH (0x12)
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#define CONFIGURATION_DESCRIPTOR_LENGTH (0x09)
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#define INTERFACE_DESCRIPTOR_LENGTH (0x09)
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#define ENDPOINT_DESCRIPTOR_LENGTH (0x07)
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/*string offset*/
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#define STRING_OFFSET_LANGID (0)
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#define STRING_OFFSET_IMANUFACTURER (1)
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#define STRING_OFFSET_IPRODUCT (2)
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#define STRING_OFFSET_ISERIAL (3)
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#define STRING_OFFSET_ICONFIGURATION (4)
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#define STRING_OFFSET_IINTERFACE (5)
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/* USB Specification Release Number */
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#define USB_VERSION_2_0 (0x0200)
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/* Least/Most significant byte of short integer */
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#define LSB(n) ((n)&0xff)
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#define MSB(n) (((n)&0xff00)>>8)
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/* bmAttributes in configuration descriptor */
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/* C_RESERVED must always be set */
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#define C_RESERVED (1U<<7)
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#define C_SELF_POWERED (1U<<6)
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#define C_REMOTE_WAKEUP (1U<<5)
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/* bMaxPower in configuration descriptor */
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#define C_POWER(mA) ((mA)/2)
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/* bmAttributes in endpoint descriptor */
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#define E_CONTROL (0x00)
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#define E_ISOCHRONOUS (0x01)
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#define E_BULK (0x02)
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#define E_INTERRUPT (0x03)
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/* For isochronous endpoints only: */
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#define E_NO_SYNCHRONIZATION (0x00)
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#define E_ASYNCHRONOUS (0x04)
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#define E_ADAPTIVE (0x08)
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#define E_SYNCHRONOUS (0x0C)
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#define E_DATA (0x00)
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#define E_FEEDBACK (0x10)
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#define E_IMPLICIT_FEEDBACK (0x20)
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#endif
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