Admin: /* String Descriptors */

2012-06-15T22:19:11Z

String Descriptors

Admin: /* Limits on transfer size */

2012-03-16T12:33:14Z

Limits on transfer size

Admin: /* Standard Device Requests */

2012-03-16T12:31:06Z

Standard Device Requests

Admin: /* USB Descriptors */

2012-03-16T06:52:41Z

USB Descriptors

Admin: Created page with " == Introduction to USB == === USB Speeds === The USB bus is available in several versions, which also operate at a different speed. * USB 1.1 - Low Speed - 1.5Mbits/s * USB 1.1..."

2012-03-16T06:51:29Z

Created page with " == Introduction to USB == === USB Speeds === The USB bus is available in several versions, which also operate at a different speed. * USB 1.1 - Low Speed - 1.5Mbits/s * USB 1.1..."

Show changes

@@ Line 438: / Line 438: @@
 The strings are encoded in the Unicode format and products can be made to
 support multiple languages. String Index 0 should return a list of supported languages.
 == Setup Packet ==

@@ Line 37: / Line 37: @@
 ==== Limits on transfer size ====
 Bulk transfer size should always be smaller than 4 MB and the Control transfers even less.
-See [[http://msdn.microsoft.com/en-us/library/windows/hardware/ff538112%28v=vs.85%29.aspx|MSDN about this issue]].
+See [[http://msdn.microsoft.com/en-us/library/windows/hardware/ff538112%28v=vs.85%29.aspx MSDN about this issue]].
 Using transfer- and packet sizes which are too large may result in unexpected
 behavior and may cause software crashes or even a reboot of the PC.

@@ Line 515: / Line 515: @@
 === Standard Device Requests ===
-<div class="table sectionedit29">
+{|  class="wikitable"-   style="border-collapse: collapse; border-width: 1px; border-style: solid; border-color: #000"
-{|  class="inline"  class="row0"
+!  class="col0" style="border-style: solid; border-width: 1px"| bmRequestType
-!  class="col0" | bmRequestType
+!  class="col1 leftalign" style="border-style: solid; border-width: 1px" | bRequest
-!  class="col1 leftalign" | bRequest
+!  class="col2 leftalign" style="border-style: solid; border-width: 1px"| wValue
-!  class="col2 leftalign" | wValue
+!  class="col3 leftalign" style="border-style: solid; border-width: 1px"| wIndex
-!  class="col3 leftalign" | wIndex
+!  class="col4" style="border-style: solid; border-width: 1px"| wLength
-!  class="col4" | wLength
+!  class="col5 leftalign" style="border-style: solid; border-width: 1px"| Data
 |-  class="row1"
-|  class="col0 leftalign" | 1000 0000b
+|  class="col0 leftalign" style="border-style: solid; border-width: 1px"| 1000 0000b
-|  class="col1 leftalign" | GET_STATUS (0x00)
+|  class="col1 leftalign" style="border-style: solid; border-width: 1px"| GET_STATUS (0x00)
-|  class="col2 leftalign" | Zero
+|  class="col2 leftalign" style="border-style: solid; border-width: 1px"| Zero
-|  class="col3 leftalign" | Zero
+|  class="col3 leftalign" style="border-style: solid; border-width: 1px"| Zero
-|  class="col4 leftalign" | Two
+|  class="col4 leftalign" style="border-style: solid; border-width: 1px"| Two
-|  class="col5 leftalign" | Device Status
+|  class="col5 leftalign" style="border-style: solid; border-width: 1px"| Device Status
 |-  class="row2"
-|  class="col0 leftalign" | 0000 0000b
+|  class="col0 leftalign" style="border-style: solid; border-width: 1px"| 0000 0000b
-|  class="col1 leftalign" | SET_ADDRESS (0x05)
+|  class="col1 leftalign" style="border-style: solid; border-width: 1px"| SET_ADDRESS (0x05)
-|  class="col2 leftalign" | Device Address
+|  class="col2 leftalign" style="border-style: solid; border-width: 1px"| Device Address
-|  class="col3 leftalign" | Zero
+|  class="col3 leftalign" style="border-style: solid; border-width: 1px"| Zero
-|  class="col4 leftalign" | Zero
+|  class="col4 leftalign" style="border-style: solid; border-width: 1px"| Zero
-|  class="col5 leftalign" | None
+|  class="col5 leftalign" style="border-style: solid; border-width: 1px"| None
 |-  class="row3"
-|  class="col0 leftalign" | 0000 0000b
+|  class="col0 leftalign" style="border-style: solid; border-width: 1px"| 0000 0000b
-|  class="col1 leftalign" | CLEAR_FEATURE (0x01)
+|  class="col1 leftalign" style="border-style: solid; border-width: 1px"| CLEAR_FEATURE (0x01)
-|  class="col2 leftalign" | Feature Selector
+|  class="col2 leftalign" style="border-style: solid; border-width: 1px"| Feature Selector
-|  class="col3 leftalign" | Zero
+|  class="col3 leftalign" style="border-style: solid; border-width: 1px"| Zero
-|  class="col4 leftalign" | Zero
+|  class="col4 leftalign" style="border-style: solid; border-width: 1px"| Zero
-|  class="col5 leftalign" | None
+|  class="col5 leftalign" style="border-style: solid; border-width: 1px"| None
 |-  class="row4"
-|  class="col0 leftalign" | 0000 0000b
+|  class="col0 leftalign" style="border-style: solid; border-width: 1px"| 0000 0000b
-|  class="col1 leftalign" | SET_FEATURE (0x03)
+|  class="col1 leftalign" style="border-style: solid; border-width: 1px"| SET_FEATURE (0x03)
-|  class="col2 leftalign" | Feature Selector
+|  class="col2 leftalign" style="border-style: solid; border-width: 1px"| Feature Selector
-|  class="col3 leftalign" | Zero
+|  class="col3 leftalign" style="border-style: solid; border-width: 1px"| Zero
-|  class="col4 leftalign" | Zero
+|  class="col4 leftalign" style="border-style: solid; border-width: 1px"| Zero
-|  class="col5 leftalign" | None
+|  class="col5 leftalign" style="border-style: solid; border-width: 1px"| None
 |-  class="row5"
-|  class="col0 leftalign" | 1000 0000b
+|  class="col0 leftalign" style="border-style: solid; border-width: 1px"| 1000 0000b
-|  class="col1 leftalign" | GET_DESCRIPTOR (0x06)
+|  class="col1 leftalign" style="border-style: solid; border-width: 1px"| GET_DESCRIPTOR (0x06)
-|  class="col2" | Descriptor Type &amp; Index
+|  class="col2" style="border-style: solid; border-width: 1px"| Descriptor Type &amp; Index
-|  class="col3" | Zero or Language ID
+|  class="col3" style="border-style: solid; border-width: 1px"| Zero or Language ID
-|  class="col4" | Descriptor Length
+|  class="col4" style="border-style: solid; border-width: 1px"| Descriptor Length
-|  class="col5" | Descriptor
+|  class="col5" style="border-style: solid; border-width: 1px"| Descriptor
 |-  class="row6"
-|  class="col0 leftalign" | 0000 0000b
+|  class="col0 leftalign" style="border-style: solid; border-width: 1px"| 0000 0000b
-|  class="col1 leftalign" | SET_DESCRIPTOR (0x07)
+|  class="col1 leftalign" style="border-style: solid; border-width: 1px"| SET_DESCRIPTOR (0x07)
-|  class="col2" | Descriptor Type &amp; Index
+|  class="col2" style="border-style: solid; border-width: 1px"| Descriptor Type &amp; Index
-|  class="col3" | Zero or Language ID
+|  class="col3" style="border-style: solid; border-width: 1px"| Zero or Language ID
-|  class="col4" | Descriptor Length
+|  class="col4" style="border-style: solid; border-width: 1px"| Descriptor Length
-|  class="col5" | Descriptor
+|  class="col5" style="border-style: solid; border-width: 1px"| Descriptor
 |-  class="row7"
-|  class="col0 leftalign" | 1000 0000b
+|  class="col0 leftalign" style="border-style: solid; border-width: 1px"| 1000 0000b
-|  class="col1" | GET_CONFIGURATION (0x08)
+|  class="col1" style="border-style: solid; border-width: 1px"| GET_CONFIGURATION (0x08)
-|  class="col2 leftalign" | Zero
+|  class="col2 leftalign" style="border-style: solid; border-width: 1px"| Zero
-|  class="col3 leftalign" | Zero
+|  class="col3 leftalign" style="border-style: solid; border-width: 1px"| Zero
-|  class="col4 leftalign" | 1
+|  class="col4 leftalign" style="border-style: solid; border-width: 1px"| 1
-|  class="col5 leftalign" | Configuration Value
+|  class="col5 leftalign" style="border-style: solid; border-width: 1px"| Configuration Value
 |-  class="row8"
-|  class="col0 leftalign" | 0000 0000b
+|  class="col0 leftalign" style="border-style: solid; border-width: 1px"| 0000 0000b
-|  class="col1" | SET_CONFIGURATION (0x09)
+|  class="col1" style="border-style: solid; border-width: 1px"| SET_CONFIGURATION (0x09)
-|  class="col2 leftalign" | Configuration Value
+|  class="col2 leftalign" style="border-style: solid; border-width: 1px"| Configuration Value
-|  class="col3 leftalign" | Zero
+|  class="col3 leftalign" style="border-style: solid; border-width: 1px"| Zero
-|  class="col4 leftalign" | Zero
+|  class="col4 leftalign" style="border-style: solid; border-width: 1px"| Zero
-|  class="col5 leftalign" | None
+|  class="col5 leftalign" style="border-style: solid; border-width: 1px"| None
-|}</div>
+|}
 The '''Get Status''' request directed at the device will return two bytes during the
@@ Line 638: / Line 637: @@
 It should contain the value of ''bConfigurationValue'' of the desired configuration
 descriptor in the lower byte of ''wValue'' to select which configuration to enable.
 === Standard Interface Requests ===

@@ Line 368: / Line 368: @@
 * String Descriptors
-{{USB_descriptors.gif}}
+[[File:USB_descriptors.gif]]
@@ Line 437: / Line 437: @@
 The strings are encoded in the Unicode format and products can be made to
 support multiple languages. String Index 0 should return a list of supported languages.
 == Setup Packet ==

USB - Revision history

Admin: /* String Descriptors */

Admin: /* Limits on transfer size */

Admin: /* Standard Device Requests */

Admin: /* USB Descriptors */

Admin: Created page with " == Introduction to USB == === USB Speeds === The USB bus is available in several versions, which also operate at a different speed. * USB 1.1 - Low Speed - 1.5Mbits/s * USB 1.1..."