Luth Haroon / SD_modified

SD card interface

USBDevice/USBDevice/USBDescriptor.h@0:22612ae617a0, 2012-10-08 (annotated)

Committer:
lharoon
Date:
Mon Oct 08 11:14:07 2012 +0000
Revision:
0:22612ae617a0
1st edition

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lharoon 0:22612ae617a0 1 /* USBDescriptor.h */
lharoon 0:22612ae617a0 2 /* Definitions and macros for constructing USB descriptors */
lharoon 0:22612ae617a0 3 /* Copyright (c) 2011 ARM Limited. All rights reserved. */
lharoon 0:22612ae617a0 4
lharoon 0:22612ae617a0 5 /* Standard descriptor types */
lharoon 0:22612ae617a0 6 #define DEVICE_DESCRIPTOR (1)
lharoon 0:22612ae617a0 7 #define CONFIGURATION_DESCRIPTOR (2)
lharoon 0:22612ae617a0 8 #define STRING_DESCRIPTOR (3)
lharoon 0:22612ae617a0 9 #define INTERFACE_DESCRIPTOR (4)
lharoon 0:22612ae617a0 10 #define ENDPOINT_DESCRIPTOR (5)
lharoon 0:22612ae617a0 11 #define QUALIFIER_DESCRIPTOR (6)
lharoon 0:22612ae617a0 12
lharoon 0:22612ae617a0 13 /* Standard descriptor lengths */
lharoon 0:22612ae617a0 14 #define DEVICE_DESCRIPTOR_LENGTH (0x12)
lharoon 0:22612ae617a0 15 #define CONFIGURATION_DESCRIPTOR_LENGTH (0x09)
lharoon 0:22612ae617a0 16 #define INTERFACE_DESCRIPTOR_LENGTH (0x09)
lharoon 0:22612ae617a0 17 #define ENDPOINT_DESCRIPTOR_LENGTH (0x07)
lharoon 0:22612ae617a0 18
lharoon 0:22612ae617a0 19
lharoon 0:22612ae617a0 20 /*string offset*/
lharoon 0:22612ae617a0 21 #define STRING_OFFSET_LANGID (0)
lharoon 0:22612ae617a0 22 #define STRING_OFFSET_IMANUFACTURER (1)
lharoon 0:22612ae617a0 23 #define STRING_OFFSET_IPRODUCT (2)
lharoon 0:22612ae617a0 24 #define STRING_OFFSET_ISERIAL (3)
lharoon 0:22612ae617a0 25 #define STRING_OFFSET_ICONFIGURATION (4)
lharoon 0:22612ae617a0 26 #define STRING_OFFSET_IINTERFACE (5)
lharoon 0:22612ae617a0 27
lharoon 0:22612ae617a0 28 /* USB Specification Release Number */
lharoon 0:22612ae617a0 29 #define USB_VERSION_2_0 (0x0200)
lharoon 0:22612ae617a0 30
lharoon 0:22612ae617a0 31 /* Least/Most significant byte of short integer */
lharoon 0:22612ae617a0 32 #define LSB(n) ((n)&0xff)
lharoon 0:22612ae617a0 33 #define MSB(n) (((n)&0xff00)>>8)
lharoon 0:22612ae617a0 34
lharoon 0:22612ae617a0 35 /* Convert physical endpoint number to descriptor endpoint number */
lharoon 0:22612ae617a0 36 #define PHY_TO_DESC(endpoint) (((endpoint)>>1) | (((endpoint) & 1) ? 0x80:0))
lharoon 0:22612ae617a0 37
lharoon 0:22612ae617a0 38 /* bmAttributes in configuration descriptor */
lharoon 0:22612ae617a0 39 /* C_RESERVED must always be set */
lharoon 0:22612ae617a0 40 #define C_RESERVED (1U<<7)
lharoon 0:22612ae617a0 41 #define C_SELF_POWERED (1U<<6)
lharoon 0:22612ae617a0 42 #define C_REMOTE_WAKEUP (1U<<5)
lharoon 0:22612ae617a0 43
lharoon 0:22612ae617a0 44 /* bMaxPower in configuration descriptor */
lharoon 0:22612ae617a0 45 #define C_POWER(mA) ((mA)/2)
lharoon 0:22612ae617a0 46
lharoon 0:22612ae617a0 47 /* bmAttributes in endpoint descriptor */
lharoon 0:22612ae617a0 48 #define E_CONTROL (0x00)
lharoon 0:22612ae617a0 49 #define E_ISOCHRONOUS (0x01)
lharoon 0:22612ae617a0 50 #define E_BULK (0x02)
lharoon 0:22612ae617a0 51 #define E_INTERRUPT (0x03)
lharoon 0:22612ae617a0 52
lharoon 0:22612ae617a0 53 /* For isochronous endpoints only: */
lharoon 0:22612ae617a0 54 #define E_NO_SYNCHRONIZATION (0x00)
lharoon 0:22612ae617a0 55 #define E_ASYNCHRONOUS (0x04)
lharoon 0:22612ae617a0 56 #define E_ADAPTIVE (0x08)
lharoon 0:22612ae617a0 57 #define E_SYNCHRONOUS (0x0C)
lharoon 0:22612ae617a0 58 #define E_DATA (0x00)
lharoon 0:22612ae617a0 59 #define E_FEEDBACK (0x10)
lharoon 0:22612ae617a0 60 #define E_IMPLICIT_FEEDBACK (0x20)