Hand Held Products 4X00 Software Manual

Also see for 4X00: User guide

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Hand Held Products 4X00 Software Manual Manual pdf 58 page image

2 - 44 IMAGETEAM™ 4X00 Series Software Development Kit (SDK) User’s GuideThis function allows the application to fully power down the imager for additional power control. This gives additional powercontrol to shutdown/resume (normally the only time the sensor fully powers off), but should be balanced since there are timepenalties associated with powering back up.Result_t oemPowerOffImager(void)Return ValuesRESULT_SUCCESSRESULT_ERR_UNSUPPORTEDParametersNone.oemSetDecodeAttemptLimitThis function is used to set the decode attempt maximum time limit. The limit, specified in milliseconds, is the maximum amountof time the decoder may use to attempt a decode on the current image.Result_t oemSetDecodeAttemptLimit (SetupType_t SetupType,WORD nLimit)Return ValuesRESULT_SUCCESSRESULT_ERR_UNSUPPORTEDRESULT_ERR_PARAMETERParametersSetup TypeSETUP_TYPE_CURRENT for current settings, or SETUP_TYPE_DEFAULT for default settings.nLimitThe maximum amount of time the decoder may use to attempt a decode on the current image. Valid range for nLimitis 1-10,000. A value of zero indicates no limit. The default value is 0.oemSetDecodeCenteringWindowThis function allows the caller to Enable/Setup decode centering mode. In this mode, a decode call is only successful if the areabounding the decoded symbol intersects a caller-defined rectangle located about the center of the captured image.Note: This function allows the engine to discriminate symbols that are located physically close to each other so only one symbolis captured during decode. Only the symbol intersecting the defined rectangle is returned.Result_t oemSetDecodeCenteringWindow (BOOL bEnable,RECT *pIntersectRect)Return ValuesRESULT_SUCCESSRESULT_ERR_PARAMETERParametersbEnableIf TRUE, the centering is turned on; otherwise the centering is turned off.pIntersectRectRectangular image region of which at least part of the decoded symbol must overlap to be considered a valid decode.