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/*
PsychToolbox3/Source/Common/PsychHID/PsychHIDGetRawState.c
PROJECTS: PsychHID only.
PLATFORMS: All.
AUTHORS:
Allen.Ingling@nyu.edu awi
mario.kleiner@tuebingen.mpg.de mk
HISTORY:
5/12/03 awi Created.
7/29/11 mk Refactored for multi-platform.
TO DO:
*/
#include "PsychHID.h"
static char useString[]= "elementState=PsychHID('RawState', deviceNumber, elementNumber)";
static char synopsisString[] =
"Return the immediate state of the specified element on the specified device.";
static char seeAlsoString[] = "";
PsychError PSYCHHIDGetRawState(void)
{
int deviceIndex, elementIndex;
double value;
PsychPushHelp(useString, synopsisString, seeAlsoString);
if(PsychIsGiveHelp()){PsychGiveHelp();return(PsychError_none);};
PsychErrorExit(PsychCapNumOutputArgs(1));
PsychErrorExit(PsychCapNumInputArgs(2));
PsychCopyInIntegerArg(1, TRUE, &deviceIndex);
PsychCopyInIntegerArg(2, TRUE, &elementIndex);
PsychHIDOSGamePadAxisQuery(deviceIndex, elementIndex, NULL, NULL, &value, NULL);
if (PSYCH_SYSTEM != PSYCH_LINUX) PsychCopyOutDoubleArg(1, FALSE, value);
return(PsychError_none);
}
#if PSYCH_SYSTEM == PSYCH_OSX
PsychError PsychHIDOSGamePadAxisQuery(int deviceIndex, int axisId, double* min, double* max, double* val, char* axisLabel)
{
double elementValue;
pRecDevice deviceRecord;
pRecElement elementRecord;
int elementIndex = axisId;
PsychHIDVerifyInit();
deviceRecord= PsychHIDGetDeviceRecordPtrFromIndex(deviceIndex);
elementRecord= PsychHIDGetElementRecordFromDeviceRecordAndElementIndex(deviceRecord, elementIndex);
elementValue = IOHIDElement_GetValue(elementRecord, kIOHIDValueScaleTypePhysical);
if (val) *val = elementValue;
return(PsychError_none);
}
#endif
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