Changeset 3facf63a in mainline for uspace/lib/drv/include/usbhid_iface.h

Timestamp:

2011-05-03T09:48:35Z (13 years ago)

Author:

Lubos Slovak <lubos.slovak@…>

Branches:

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

Children:

4bfd85b, 8cbd512

Parents:

31cfee16

Message:

DFF function for generic HID subdriver.

• Changed usbhid interface - sending only the raw buffer.
• Implemented interface in generic HID subdriver.

Just a proof-of-concept, this implementation has many issues
(e.g. synchronization, reporting old events, etc.).

File:

• uspace/lib/drv/include/usbhid_iface.h (modified) (1 diff)

uspace/lib/drv/include/usbhid_iface.h

@@ -72 +72 @@
 /** USB HID device communication interface. */
 typedef struct {
-        /** Get number of items in the event.
+        /** Get size of the event in bytes.
          *
          * @param[in] fun DDF function answering the request.
          * @return Number of events or error code.
          */
-        int (*get_event_length)(ddf_fun_t *fun);
+        size_t (*get_event_length)(ddf_fun_t *fun);
 
         /** Get single event from the HID device.
          *
          * @param[in] fun DDF function answering the request.
-         * @param[out] usage_page Array of usage pages and usages.
-         * @param[out] usage Array of data (1:1 with @p usage).
-         * @param[in] size Size of @p usage and @p data arrays.
+         * @param[out] buffer Buffer with raw data from the device.
          * @param[out] act_size Actual number of returned events.
          * @param[in] flags Flags (see USBHID_IFACE_FLAG_*).
          * @return Error code.
          */
-        int (*get_event)(ddf_fun_t *fun,
-            uint16_t *usage_page, uint16_t *usage, size_t size, size_t *act_size,
-            unsigned int flags);
+        int (*get_event)(ddf_fun_t *fun, int32_t *buffer, size_t size,
+            size_t *act_size, unsigned int flags);
 } usbhid_iface_t;