Changeset 0e41957 in mainline for uspace/lib/usb/devreq.h

Timestamp:

2010-10-10T22:00:27Z (14 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

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

Children:

d97d209

Parents:

4971812

Message:

More types to USB library

File:

• uspace/lib/usb/devreq.h (modified) (1 diff)

uspace/lib/usb/devreq.h

@@ -64 +64 @@
 } usb_descriptor_type_t;
 
+/** Device request setup packet.
+ * The setup packet describes the request.
+ */
+typedef struct {
+        /** Request type.
+         * The type combines transfer direction, request type and
+         * intended recipient.
+         */
+        uint8_t request_type;
+        /** Request identification. */
+        uint8_t request;
+        /** Main parameter to the request. */
+        union {
+                /* FIXME: add #ifdefs according to host endianess */
+                struct {
+                        uint8_t value_low;
+                        uint8_t value_high;
+                };
+                uint16_t value;
+        };
+        /** Auxilary parameter to the request.
+         * Typically, it is offset to something.
+         */
+        uint16_t index;
+        /** Length of extra data. */
+        uint16_t length;
+} __attribute__ ((packed)) usb_device_request_setup_packet_t;
+
 #endif
 /**