Changeset a3b1107 in mainline for uspace/lib/usb/include/usb/classes/hid.h

Timestamp:

2010-12-12T13:39:34Z (13 years ago)

Author:

Lubos Slovak <lubos.slovak@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

c694b7e, e7b9541

Parents:

dafab9e0

Message:

Added structures for HID descriptor.

File:

• uspace/lib/usb/include/usb/classes/hid.h (modified) (1 diff)

uspace/lib/usb/include/usb/classes/hid.h

@@ -58 +58 @@
 } usb_hid_protocol_t;
 
+/** Part of standard USB HID descriptor specifying one class descriptor.
+ *
+ * (See HID Specification, p.22)
+ */
+typedef struct {
+        /** Type of class descriptor (Report or Physical). */
+        uint8_t class_descriptor_type;
+        /** Length of class descriptor. */
+        uint16_t class_descriptor_length;
+} __attribute__ ((packed)) usb_standard_hid_descriptor_class_item_t;
+
+/** Standard USB HID descriptor.
+ *
+ * (See HID Specification, p.22)
+ * 
+ * It is actually only the "header" of the descriptor, as it may have arbitrary
+ * length if more than one class descritor is provided.
+ */
+typedef struct {
+        /** Size of this descriptor in bytes. */
+        uint8_t length;
+        /** Descriptor type (USB_DESCTYPE_HID). */
+        uint8_t descriptor_type;
+        /** HID Class Specification release. */
+        uint16_t spec_release;
+        /** Country code of localized hardware. */
+        uint8_t country_code;
+        /** Total number of class (i.e. Report and Physical) descriptors. */
+        uint8_t class_count;
+        /** First mandatory class descriptor info. */
+        usb_standard_hid_descriptor_class_item_t class_descriptor;
+} __attribute__ ((packed)) usb_standard_hid_descriptor_t;
+
+
 /**
  * @brief USB/HID keyboard device type.