diff options
author | xli24 <xli24@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-10-20 15:16:32 +0000 |
---|---|---|
committer | xli24 <xli24@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-10-20 15:16:32 +0000 |
commit | 4135253bde4f1bb0004844f3ab1112882c76072e (patch) | |
tree | 784ffd0e4d2cec91972c3ba93380af314d82dd83 /MdePkg/Include/IndustryStandard/Usb.h | |
parent | ee256e2c4d3aaea2c265d80d120db65f41520090 (diff) | |
download | edk2-platforms-4135253bde4f1bb0004844f3ab1112882c76072e.tar.xz |
Update IndustryStandard according to code review comments.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6155 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Include/IndustryStandard/Usb.h')
-rw-r--r-- | MdePkg/Include/IndustryStandard/Usb.h | 38 |
1 files changed, 34 insertions, 4 deletions
diff --git a/MdePkg/Include/IndustryStandard/Usb.h b/MdePkg/Include/IndustryStandard/Usb.h index 0d6da311f6..ec86d8b794 100644 --- a/MdePkg/Include/IndustryStandard/Usb.h +++ b/MdePkg/Include/IndustryStandard/Usb.h @@ -1,7 +1,7 @@ /** @file
- Support for USB 1.1 standard.
+ Support for USB 2.0 standard.
- Copyright (c) 2006 - 2007, Intel Corporation
+ Copyright (c) 2006 - 2008, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -17,7 +17,7 @@ //
// Standard device request and request type
-// By [Spec-USB20/Chapter-9.4]
+// USB 2.0 spec, Section 9.4
//
#define USB_DEV_GET_STATUS 0x00
#define USB_DEV_GET_STATUS_REQ_TYPE_D 0x80 // Receiver : Device
@@ -63,6 +63,11 @@ // USB standard descriptors and reqeust
//
#pragma pack(1)
+
+///
+/// Format of Setup Data for USB Device Requests
+/// USB 2.0 spec, Section 9.3
+///
typedef struct {
UINT8 RequestType;
UINT8 Request;
@@ -71,6 +76,10 @@ typedef struct { UINT16 Length;
} USB_DEVICE_REQUEST;
+///
+/// Standard Device Descriptor
+/// USB 2.0 spec, Section 9.6.1
+///
typedef struct {
UINT8 Length;
UINT8 DescriptorType;
@@ -88,6 +97,10 @@ typedef struct { UINT8 NumConfigurations;
} USB_DEVICE_DESCRIPTOR;
+///
+/// Standard Configuration Descriptor
+/// USB 2.0 spec, Section 9.6.3
+///
typedef struct {
UINT8 Length;
UINT8 DescriptorType;
@@ -99,6 +112,10 @@ typedef struct { UINT8 MaxPower;
} USB_CONFIG_DESCRIPTOR;
+///
+/// Standard Interface Descriptor
+/// USB 2.0 spec, Section 9.6.5
+///
typedef struct {
UINT8 Length;
UINT8 DescriptorType;
@@ -111,6 +128,10 @@ typedef struct { UINT8 Interface;
} USB_INTERFACE_DESCRIPTOR;
+///
+/// Standard Endpoint Descriptor
+/// USB 2.0 spec, Section 9.6.6
+///
typedef struct {
UINT8 Length;
UINT8 DescriptorType;
@@ -120,6 +141,10 @@ typedef struct { UINT8 Interval;
} USB_ENDPOINT_DESCRIPTOR;
+///
+/// UNICODE String Descriptor
+/// USB 2.0 spec, Section 9.6.7
+///
typedef struct {
UINT8 Length;
UINT8 DescriptorType;
@@ -196,7 +221,8 @@ typedef enum { //
-// HID constants definition, see HID rev1.0
+// HID constants definition, see Device Class Definition
+// for Human Interface Devices (HID) rev1.11
//
//
@@ -314,6 +340,10 @@ typedef struct hid_class_descriptor { UINT16 DescriptorLength;
} EFI_USB_HID_CLASS_DESCRIPTOR;
+///
+/// The HID descriptor identifies the length and type
+/// of subordinate descriptors for a device.
+///
typedef struct hid_descriptor {
UINT8 Length;
UINT8 DescriptorType;
|