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4 3M™ Multi-touch Display M2256PW User Guide
3M Touch Systems, Inc. Proprietary Information – 37531 Rev D
Appendix A 3M™ PX USB Controller Communications
Overview of USB Firmware Communications ........................................................ 21
Communication Basics ............................................................................................. 21
Receiving Reports from the Controller .................................................................... 22
Command Set ........................................................................................................... 22
Set Feature - Calibration .......................................................................................... 22
Get Feature - GetStatus ............................................................................................ 24
Get Feature - GetMaxCount ..................................................................................... 25
Set Feature - Reset ................................................................................................... 26
Set Feature –Restore Defaults .................................................................................. 27
Asynchronous Reports ............................................................................................. 27
Appendix B 3M™ PX Serial Controller Communications
Overview of Firmware Commands .......................................................................... 29
Controller Default Settings ...................................................................................... 30
Communicating with the Controller ......................................................................... 30
Firmware Commands ............................................................................................... 32
Calibrate ................................................................................................................... 33
Guidelines for Calibrate Command ......................................................................... 34
Get Copyright ........................................................................................................... 35
Mode Down Up ........................................................................................................ 35
Mode Inactive ........................................................................................................... 35
Mode Stream ............................................................................................................ 35
Name Command ....................................................................................................... 36
Null Command ......................................................................................................... 36
Output Identity ......................................................................................................... 36
Soft Reset ................................................................................................................. 36
Restore Defaults ....................................................................................................... 37
Unit Type ................................................................................................................. 37
Touch Data Format .................................................................................................. 38
Appendix C Regulatory Information
Regulatory Agency Approvals ................................................................................. 40
FCC Warning ........................................................................................................... 41
CE Conformity for Europe ....................................................................................... 41