75 righe
2.9 KiB
C
75 righe
2.9 KiB
C
/* Copyright (c) 2010-2011 mbed.org, MIT License
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
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* and associated documentation files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
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* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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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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/* Convert physical endpoint number to descriptor endpoint number */
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#define PHY_TO_DESC(endpoint) (((endpoint)>>1) | (((endpoint) & 1) ? 0x80:0))
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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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