![]() 5 of 50Ħ The Reference Timer." menu entry. When a script is open, you will see three relevant entries under the "Experiment" menu: They are: The USB BBox Stuff. Without it, you cannot do anything with the USBBbox. The Menus relevant to the USB Bbox The first thing you have to do is to open a script. If you need or want to understand the functioning of the UsbBbox more in details, continue reading. Hopefully, the basic stuff should be easy to understand for everybody who has limited experience with PsyScope and/or its old serial CMU bbox. If that's all what you want to do, you can stop here and start playing with the USBBbox. 4 of 50ĥ Quick Start If you have no special needs, and you only want to receive input from the USBBbox buttons, you only have to do two things Enable the Usb Bbox as an Input Device Write Condition- Action pairs in your events in which the UsbBbox is specified as a termination condition for the events. If you want to uninstall the USBBbox software, simply trash the BBoxArchiver.kext. You will need PsyScope X, at least version B36. After restart, you should see the USBBbox when you plug it into any USB port. ![]() You have to have administrative privileges in order to do that. You have to move the BBoxArchiver.kext, which you will find in the PsyScope X packages, into the /System/Library/Extensions folder. Installation We prefer that people know what and where software elements are installed, so we decided that you have to install the drivers manually. An updated PDF version of this manual can be always downloaded here. However, if you want to understand how to use the USBBbox correctly, you will need to understand some of the basics of its hardware. Here we will only refer to the minimum hardware details needed to explain how to program it for PsyScope X. iolab will explain the hardware in a separate document. The Sissa LCD Lab wrote the software (main programmer: Luca Filippin). 27 Designing your experiment: The USBBbox condition 27 The Default Condition 28 Selecting restricted conditions 28 Selecting conditions depending on other input ports 30 The Serial In condition 30 Serialin special conditions 32 Conditions on other input ports 32 Designing your experiment: The USBBboxDo action34 2 of 50ģ MSKSET 35 P0SET, P2SET, PXSET 35 P0OR, P2OR, PXOR 36 P0AND, P2AND, PXAND 36 DIRSET 36 LOGSET 37 SEROUT 37 VCKSET 37 The USBBbox event type 38 Designing your experiment: Other initialization parameters 39 The debounce period 40 Port Logic 41 Port Direction 41 Port2 Loopback Mode 41 Serial data parking 42 Designing your experiment: Setting variables with Serialin data and USBBOX expressions 42 GetKey 43 GetMsk 43 GetRTC 43 GetLog and GetDir 44 VCKGET 44 Composing USBBBox predicates inside expressions 45 The SERIALIN assignement 46 Analyzing your experiment: The Data File 46 UBButtons 47 UBPorts 47 UBDrift 47 UBVoice and UBOptic 48 UBQueueLength 48 UBRelativeTS, UBAbsoluteTS, and UBSystemTS 48 Other Values 50 A final point: Reference timer and time values 50 Miscellaneous issues 50 3 of 50Ĥ Introduction PsyScope X offers support for an USB button box of novel conception, designed by iolab ( iolab did the hardware, and we are not responsible for it. Bonatti and Luca Filippin Laboratory of Cognition and Development, Sissa/Isas, Trieste 1 of 50Ģ Introduction 4 Installation 4 Quick Start 5 The Menus relevant to the USB Bbox 5 Input Devices and the Inputs Window 6 Don't Use USBBbox 6 Reference Timer 7 The Usb Bbox Stuff Menu item and its window 8 The Mask 10 Port Direction and Logic 12 The Start Test & Configure Mode 13 Time Drift Estimation 14 Send Serial Out 14 The Voice Key Parameters 16 The Delayed Trigger Voice Key and its settings 16 The Minimum signal duration and Minimum silence duration parameters 17 Trigger Threshold 20 Primary and Secondary Gain 20 The peak level 21 The Voice Key Tuning button and the DTVKTuner program 22 Starting the DTVKtuner 22 Recording sound and trigger data to computer 23 Auto vs manual tuning procedure 24 The Manual Procedure 24 The Automatic Procedure 24 Tracking and inspecting the triggers 26 Ending the tuning procedure and going back to PsyScope. Second Draft, March 2007 Written by Luca L. 1 The PsyScope USB Bbox module: a Software manual.
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