hididlerequest.h

Atmel的AT91SAM9263芯片的usb HID设备keyboard的源程序

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/*
    Title: HIDIdleRequest

    About: Purpose
        Methods and constants for manipulating HID-specific GET_IDLE and SET_IDLE
        requests.

    About: Usage
        1 - Retrieve the idle rate indicated by a GET_IDLE or SET_IDLE request
            with <HIDIdleRequest_GetIdleRate>.
*/

#ifndef HIDIDLEREQUEST_H
#define HIDIDLEREQUEST_H

//------------------------------------------------------------------------------
//         Headers
//------------------------------------------------------------------------------

#include <usb/common/core/USBGenericRequest.h>

//------------------------------------------------------------------------------
//         Definitions
//------------------------------------------------------------------------------
/*
    Constants: Special Idle rate values
        HIDIdleRequest_INFINITE - Infinite idle rate.
*/
#define HIDIdleRequest_INFINITE                 0

//------------------------------------------------------------------------------
//         Exported functions
//------------------------------------------------------------------------------
/*
    Function: HIDIdleRequest_GetIdleRate
        Retrieves the Idle rate (in milliseconds) indicated by a SET_IDLE
        request.

    Parameters:
        request - Pointer to a USBGenericRequest instance.

    Returns:
        New idle rate for the report.
*/
extern unsigned char HIDIdleRequest_GetIdleRate(
    const USBGenericRequest *request);

#endif //#ifndef HIDIDLEREQUEST_H