HID Support/HID_Config_Utilities.h

/*
 *  HID_Config_Utilities.h
 *  HID Config Save
 *
 *  Created by ggs on Thu May 24 2001.
 
    Copyright:  Copyright © 2001 Apple Computer, Inc., All Rights Reserved
 
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#ifndef _HID_Config_Utilities_h_
#define _HID_Config_Utilities_h_
 
#include <stdio.h>
 
#include "HID_Utilities.h"
 
enum
{
    kPercentMove = 10 // precent of overall range a element must move to register
};
 
struct recSaveHID
{
    long actionCookie;
    // device
        // need to add serial number when I have a test case
    long vendorID;
    long productID;
    long locID;
    long usage;
    long usagePage;
    // elements
    long usagePageE;
    long usageE;
    long minReport;                         // min returned value
    long maxReport;                         // max returned value (calibrate call)
    void * cookie;
};
typedef struct recSaveHID recSaveHID;
typedef recSaveHID * pRecSaveHID;
 
// polls all devices and elements for a change greater than kPercentMove.  Times out after given time
// returns true and pointer to device and element if found
// returns false and NULL for both parameters if not found
unsigned char HIDConfigureAction (pRecDevice * ppDevice, pRecElement * ppElement, float timeout);
 
// take input records, save required info
// assume file is open and at correct position.
void HIDSaveElementConfig (FILE * fileRef, pRecDevice pDevice, pRecElement pElement, long actionCookie);
 
// take file, read one record (assume file position is correct and file is open)
// search for matching device
// return pDevice, pElement and cookie for action
long HIDRestoreElementConfig (FILE * fileRef, pRecDevice * ppDevice, pRecElement * ppElement);
 
#endif