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Ignore:
Timestamp:
2011-05-03T09:48:35Z (11 years ago)
Author:
Lubos Slovak <lubos.slovak@…>
Branches:
lfn, master
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:
1 edited

Legend:

Unmodified
Added
Removed
  • uspace/lib/drv/include/usbhid_iface.h

    r31cfee16 r3facf63a  
    7272/** USB HID device communication interface. */
    7373typedef struct {
    74         /** Get number of items in the event.
     74        /** Get size of the event in bytes.
    7575         *
    7676         * @param[in] fun DDF function answering the request.
    7777         * @return Number of events or error code.
    7878         */
    79         int (*get_event_length)(ddf_fun_t *fun);
     79        size_t (*get_event_length)(ddf_fun_t *fun);
    8080
    8181        /** Get single event from the HID device.
    8282         *
    8383         * @param[in] fun DDF function answering the request.
    84          * @param[out] usage_page Array of usage pages and usages.
    85          * @param[out] usage Array of data (1:1 with @p usage).
    86          * @param[in] size Size of @p usage and @p data arrays.
     84         * @param[out] buffer Buffer with raw data from the device.
    8785         * @param[out] act_size Actual number of returned events.
    8886         * @param[in] flags Flags (see USBHID_IFACE_FLAG_*).
    8987         * @return Error code.
    9088         */
    91         int (*get_event)(ddf_fun_t *fun,
    92             uint16_t *usage_page, uint16_t *usage, size_t size, size_t *act_size,
    93             unsigned int flags);
     89        int (*get_event)(ddf_fun_t *fun, int32_t *buffer, size_t size,
     90            size_t *act_size, unsigned int flags);
    9491} usbhid_iface_t;
    9592
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