3M PX5 Series Reference Manual Download

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3M Touch Systems, Inc. Proprietary Information

™

Multi-Touch

ASIC Controller PX5nnn

Dual Mode Reference

Guide

PX5232

Please read, understand and follow all safety information

contained in the 3M™ Multi

-Touch PCT System Integration Guide

found at 3M.com/Touch prior to the use of this device.

Retain the Integration Guide for future reference.



Summary of Contents for PX5 Series

Page 1: ...roller PX5nnn Dual Mode Reference Guide PX5232 Please read understand and follow all safety information contained in the 3M Multi Touch PCT System Integration Guide found at 3M com Touch prior to the...

Page 2: ...tems Inc products and software are not specifically designed for use in medical devices as defined by United States federal law 3M Touch Systems Inc products and software should not be used in such ap...

Page 3: ...Establishing the Data Connection 9 Sensor Connection 10 Supplying Power to the Controller 11 Mounting the Sensor 12 Windows Compatibility 12 All Other Platforms 12 Multi Touch Application Support 12 V...

Page 4: ...munications Overview of Firmware Commands 25 Controller Default Settings 26 Communicating with the Controller 27 Firmware Commands 28 Calibrate 29 Guidelines for Calibrate Command 30 Mode Down Up 31 M...

Page 5: ...so includes a complete description of the firmware commands and controller specifications Table 1 3M Multi Touch Controller Descriptions Sensor Size Model Number 16 to 24 PX5232 3M Touch Systems is co...

Page 6: ...ns 3M Touch Systems Support Services 3M Touch Systems provides extensive support services through our website and technical support organization Visit the 3M Touch Systems website at www 3m com touch...

Page 7: ...can contact 3M Touch Systems Technical Support US only Eastern Standard Time by calling the hot line or by sending an email Toll Free 1 866 407 6666 Option 3 Email US TS techsupport mmm com Contact 3M...

Page 8: ...user applications This chapter covers the following 3M PX5nnn controller specifications Cable connections Mounting requirements Power requirements and options Overview of the 3M PX5nnn Controllers Th...

Page 9: ...to a USB port on your PC When creating a custom cable use the components found in Table 4 Page 11 The following table describes the interconnections of the 3M Touch Systems USB cable Table 2 USB Cable...

Page 10: ...uest to Send RTS 1 Request to Send RTS 8 Clear to Send CTS 4 Clear to Send CTS 9 Not Used Do not ground Sleeve 5V not used 6 DC power jack Not Used Pin Ground 7 Cable shield connected to ground DC pow...

Page 11: ...cables and noisy electronics The mounting screws should be connected to the chassis ground It is recommended that the AC power use a chassis ground connection for best operation Supplying Power to the...

Page 12: ...lti touch functionality All Other Platforms 3M Multi Touch PCT technology also works seamlessly with the Linux operating system kernel 3 5 or later When using any other operating system you may need a...

Page 13: ...compensate for any variability in touch sensor placement during integration you should perform a video alignment of the sensor to the display to ensure touch accuracy There are three ways to perform...

Page 14: ...c Proprietary Information 2 If you are using 3M MicroTouch MT 7 Software launch the MT 7 Control Panel and follow the instructions on the Main tab You ll be asked to touch 3 targets 3 If you are writi...

Page 15: ...perating modes and execute diagnostic functions Note This document assumes you are familiar with USB standards and modes of communication with USB devices as well as firmware commands and how to use t...

Page 16: ...Command Set The USB command set is implemented by using HID Get Feature and Set Feature commands The various requests and reports are grouped together by report size under a common feature ID The fol...

Page 17: ...ints a target in the lower left corner 2 Controller is waiting for a touch in the upper right corner Calibration software paints a target in the upper right corner 3 Calibration completed successfully...

Page 18: ...re Report ID 4 wIndex 2 0 Always 0 6 wLength 2 8 Always 8 Table 10 Get Status Data Stage Offset Field Size Value Description 0 Report ID 1 0x06 Feature Report ID 1 POC Status 1 0xXX Power On Check Sta...

Page 19: ...fect the contents of this field i e successful or unsuccessful processing of a previous status request does not cause the command status field to be updated Table 12 Valid Command Status Field Entries...

Page 20: ...rt 2 wValue 2 0x0303 msb 03 Feature lsb 03 Feature Report ID 4 wIndex 2 0 Always 0 6 wLength 2 8 Always 8 Table 16 Reset Data Stage Offset Field Size Value Description 0 Report ID 1 0x03 Feature Repor...

Page 21: ...alibration the controller enumerates and the HID descriptor will contain accurate calculated dimensions Table 17 Restore Defaults Setup Stage Offset Field Size Value Description 0 bmRequestType 1 0x21...

Page 22: ...lsb 1 0xXX Application code checksum lsb 7 Code ChkSum msb 1 0xXX Application code checksum msb 8 MaxParamWrite lsb 1 0x40 Max block data bytes for a set get param request 9 MaxParamWritemsb 1 0x00 1...

Page 23: ...alue from 0 to 255 Ignore all other data within a touch report structure with a status marked not valid The coordinate system s origin is in the upper left corner of the touch screen consistent with m...

Page 24: ...31 Touch Report 6 See Table 24 touch report structure 37 Touch Report 6 See Table 24 touch report structure 43 Touch Report 6 See Table 24 touch report structure 49 Touch Report 6 See Table 24 touch r...

Page 25: ...nd includes the command syntax the default value how the command works and the expected response from the controller Overview of Firmware Commands Developers may use these commands when writing touch...

Page 26: ...0 X6 X5 X4 X3 X2 X1 X0 X Byte 3 0 X13 X12 X11 X10 X9 X8 X7 Y Byte 4 0 Y6 Y5 Y4 Y3 Y2 Y1 Y0 Y Byte 5 0 Y13 Y12 Y11 Y10 Y9 Y8 Y7 ID Byte 6 0 N6 N5 N4 N3 N2 N1 N0 Note 1 P is the proximity bit It is set...

Page 27: ...and Terminator Note The following descriptions of header command and terminator use 3M Touch Systems terminal emulator key sequences You may need to enter the sequence in a different format depending...

Page 28: ...le reasons for a command failure include The command was not formatted correctly The system parameters were not set up to allow command execution The controller does not support the command The termin...

Page 29: ...Response SOH 1 CR Valid point response A Valid Point Response 1 signifies that a touch coordinate was detected and is in range of the expected screen target area Two valid point responses indicate su...

Page 30: ...using the Calibrate commands The controller uses the data immediately before liftoff to register a calibration touch Therefore you can touch the coordinate target hold for a few seconds and then lift...

Page 31: ...only Mode Inactive Syntax SOH MI CR Response SOH 0 CR Positive response Description Turns off touch reports Mode Stream Syntax SOH MS CR Response SOH 0 CR Positive response The controller will respond...

Page 32: ...of time needed to execute a Reset command is typically 500 milliseconds with a defined maximum of 2000 milliseconds Therefore the application program should wait and be sure it receives the command re...

Page 33: ...string identifies the type of controller currently attached to the system lists the features supported by the controller and outputs the status of the controller hardware a self test code Returns an i...

Page 34: ...us Byte Bit Description Notes 0 Not used 1 ROM_ERROR Code area checksum error 2 PWM Error Touch screen not connected or potential problem 3 NOV_ERROR Parameter Block1 checksum error 4 HDW_ERROR Proble...

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