USBDevice
Dependents: QEI_X1_LCD_test3 macnica_test
USBDevice/USBDescriptor.h
- Committer:
- toucyy
- Date:
- 2013-04-18
- Revision:
- 0:2d8d0b73e1ff
File content as of revision 0:2d8d0b73e1ff:
/* USBDescriptor.h */ /* Definitions and macros for constructing USB descriptors */ /* Copyright (c) 2011 ARM Limited. All rights reserved. */ /* Standard descriptor types */ #define DEVICE_DESCRIPTOR (1) #define CONFIGURATION_DESCRIPTOR (2) #define STRING_DESCRIPTOR (3) #define INTERFACE_DESCRIPTOR (4) #define ENDPOINT_DESCRIPTOR (5) #define QUALIFIER_DESCRIPTOR (6) /* Standard descriptor lengths */ #define DEVICE_DESCRIPTOR_LENGTH (0x12) #define CONFIGURATION_DESCRIPTOR_LENGTH (0x09) #define INTERFACE_DESCRIPTOR_LENGTH (0x09) #define ENDPOINT_DESCRIPTOR_LENGTH (0x07) /*string offset*/ #define STRING_OFFSET_LANGID (0) #define STRING_OFFSET_IMANUFACTURER (1) #define STRING_OFFSET_IPRODUCT (2) #define STRING_OFFSET_ISERIAL (3) #define STRING_OFFSET_ICONFIGURATION (4) #define STRING_OFFSET_IINTERFACE (5) /* USB Specification Release Number */ #define USB_VERSION_2_0 (0x0200) /* Least/Most significant byte of short integer */ #define LSB(n) ((n)&0xff) #define MSB(n) (((n)&0xff00)>>8) /* Convert physical endpoint number to descriptor endpoint number */ #define PHY_TO_DESC(endpoint) (((endpoint)>>1) | (((endpoint) & 1) ? 0x80:0)) /* bmAttributes in configuration descriptor */ /* C_RESERVED must always be set */ #define C_RESERVED (1U<<7) #define C_SELF_POWERED (1U<<6) #define C_REMOTE_WAKEUP (1U<<5) /* bMaxPower in configuration descriptor */ #define C_POWER(mA) ((mA)/2) /* bmAttributes in endpoint descriptor */ #define E_CONTROL (0x00) #define E_ISOCHRONOUS (0x01) #define E_BULK (0x02) #define E_INTERRUPT (0x03) /* For isochronous endpoints only: */ #define E_NO_SYNCHRONIZATION (0x00) #define E_ASYNCHRONOUS (0x04) #define E_ADAPTIVE (0x08) #define E_SYNCHRONOUS (0x0C) #define E_DATA (0x00) #define E_FEEDBACK (0x10) #define E_IMPLICIT_FEEDBACK (0x20)