ARCU User's Guide Datasheet by Microchip Technology

6‘ MICRDCHIP
2011-2012 Microchip Technology Inc. DS41605B
AR Configuration Utility (ARCU)
User’s Guide
YSTEM
DS41605B-page 2 2011-2012 Microchip Technology Inc.
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© 2011-2012, Microchip Technology Incorporated, Printed in
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ISBN:
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intended manner and under normal conditions.
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knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data
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QUALITY MANAGEMENT S
YSTEM
CERTIFIED BY DNV
== ISO/TS 16949 ==
EU Declaration ofConformitv Manufacturer: Microchip Technology Inc. 2355 W. Chandler Blvd. Chandler, Arizona, 852246199 USA This declaration of conformity is issued by the manufacturer. The development/evaluation tool is designed to be used for research and development in a laboratory environment. This development/evaluation tool is not intended to be a finished appliance, nor is it intended for incorporation into finished appliances that are made commercially available as single functional units to end users. This development/evaluation tool complies with EU EMC Directive 2004/108/EC and as supported by the European Commission's Guide for the EMC Directive 2004/108/EC (8'h February 2010). This development/evaluation tool complies with EU RoHSZ Directive 2011/65/EU. For information regarding the exclusive, limited warranties applicable to Microchip prod ucts. please see Microchip‘s standard terms and conditions of sale, which are printed on our sales documentation and available at www.microchip.com. Signed for and on behalf of Microchip Technology Inc. at Chandler, Arizona, USA 7 / Derek Carlson VP Development Tools
AR Configuration Utility (ARCU) User’s Guide
2011-2012 Microchip Technology Inc. DS41605B-page 3
Object of Declaration: AR1010, AR1011, AR1020, AR1021, DV102011, DV102012,
AR1100, AR1100BRD
AR Configuration Utility (ARCU) User’s Guide
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NOTES:
6‘ MICROCHIP
AR CONFIGURATION UTILITY (ARCU)
USER’S GUIDE
2011-2012 Microchip Technology Inc. DS41605B-page 5
Table of Contents
Declaration of Conformity ............................................................................................ 3
Preface ........................................................................................................................... 7
Introduction......................................................................................................... 7
Document Layout................................................................................................ 7
Conventions Used in this Guide ......................................................................... 8
Recommended Reading..................................................................................... 9
The Microchip Web Site...................................................................................... 9
Customer Support............................................................................................... 9
Document Revision History ................................................................................ 9
Chapter 1: Installation................................................................................................. 11
Chapter 2: Getting Started.......................................................................................... 13
Chapter 3: AR Configuration Utility Layout .............................................................. 15
AR Configuration Utility (ARCU) User’s Guide
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NOTES:
6‘ MICROCHIP
AR CONFIGURATION UTILITY (ARCU)
USER’S GUIDE
2011-2012 Microchip Technology Inc. DS41605B-page 7
Preface
INTRODUCTION
This chapter contains general information that will be useful to know before using the
AR Configuration Utility (ARCU). Items discussed in this chapter include:
• Document Layout
• Conventions Used in this Guide
• Recommended Reading
• The Microchip Web Site
• Customer Support
• Document Revision History
DOCUMENT LAYOUT
This document describes the installation and use of the AR Configuration Utility
(ARCU). The Microchip ARCU is a Windows®-based graphical user interface that can
be used to configure, calibrate, test and demonstrate both the AR1000 and AR1100
touch screen controllers. Additionally, the AR1100 firmware can be updated
(re-flashed) via the ARCU. The manual layout is as follows:
•Chapter 1. Installation
•Chapter 2. Getting Started
•Chapter 3. AR Configuration Utility Layout
NOTICE TO CUSTOMERS
All documentation becomes dated, and this manual is no exception. Microchip tools and
documentation are constantly evolving to meet customer needs, so some actual dialogs
and/or tool descriptions may differ from those in this document. Please refer to our web site
(www.microchip.com) to obtain the latest documentation available.
Documents are identified with a “DS” number. This number is located on the bottom of each
page, in front of the page number. The numbering convention for the DS number is
“DSXXXXXA”, where “XXXXX” is the document number and “A” is the revision level of the
document.
For the most up-to-date information on development tools, see the MPLAB® IDE on-line help.
Select the Help menu, and then Topics to open a list of available online help files.
File>Save
AR Configuration Utility (ARCU) User’s Guide
DS41605B-page 8 2011-2012 Microchip Technology Inc.
CONVENTIONS USED IN THIS GUIDE
This manual uses the following documentation conventions:
DOCUMENTATION CONVENTIONS
Description Represents Examples
Arial font:
Italic characters Referenced books MPLAB® IDE User’s Guide
Emphasized text ...is the only compiler...
Initial caps A window the Output window
A dialog the Settings dialog
A menu selection select Enable Programmer
Quotes A field name in a window or
dialog
“Save project before build”
Underlined, italic text with
right angle bracket
A menu path File>Save
Bold characters A dialog button Click OK
A tab Click the Power tab
N‘Rnnnn A number in verilog format,
where N is the total number of
digits, R is the radix and n is a
digit.
4‘b0010, 2‘hF1
Text in angle brackets < > A key on the keyboard Press <Enter>, <F1>
Courier New font:
Plain Courier New Sample source code #define START
Filenames autoexec.bat
File paths c:\mcc18\h
Keywords _asm, _endasm, static
Command-line options -Opa+, -Opa-
Bit values 0, 1
Constants 0xFF, ‘A’
Italic Courier New A variable argument file.o, where file can be
any valid filename
Square brackets [ ] Optional arguments mcc18 [options] file
[options]
Curly brackets and pipe
character: { | }
Choice of mutually exclusive
arguments; an OR selection
errorlevel {0|1}
Ellipses... Replaces repeated text var_name [,
var_name...]
Represents code supplied by
user
void main (void)
{ ...
}
Preface
2011-2012 Microchip Technology Inc. DS41605B-page 9
RECOMMENDED READING
This user’s guide describes how to use the AR Configuration Utility (ARCU). Other
useful documents are listed below. The following Microchip documents are available
and recommended as supplemental reference resources.
Readme for AR Configuration Utility (ARCU)
For the latest information on using the AR Configuration Utility (ARCU), read the
“Readme.txt” file (an ASCII text file) in the main installation directory. The Readme
file contains updated information and known issues that may not be included in this
user’s guide.
Readme Files
For the latest information on using other tools, read the tool-specific Readme files in
the Readmes subdirectory of the MPLAB® IDE installation directory. The Readme files
contain updated information and known issues that may not be included in this user’s
guide.
THE MICROCHIP WEB SITE
Microchip provides online support via our web site at www.microchip.com. This web
site is used as a means to make files and information easily available to customers.
Accessible by using your favorite Internet browser, the web site contains the following
information:
•Product Support – Data sheets and errata, application notes and sample
programs, design resources, user’s guides and hardware support documents,
latest software releases and archived software
•General Technical Support – Frequently Asked Questions (FAQs), technical
support requests, online discussion groups, Microchip consultant program
member listing
•Business of Microchip – Product selector and ordering guides, latest Microchip
press releases, listing of seminars and events, listings of Microchip sales offices,
distributors and factory representatives
CUSTOMER SUPPORT
Users of Microchip products can receive assistance through several channels:
• Distributor or Representative
• Local Sales Office
• Field Application Engineer (FAE)
• Technical Support
Customers should contact their distributor, representative or field application engineer
(FAE) for support. Local sales offices are also available to help customers. A listing of
sales offices and locations is included in the back of this document.
Technical support is available through the web site at: http://support.microchip.com
AR Configuration Utility (ARCU) User’s Guide
DS41605B-page 10 2011-2012 Microchip Technology Inc.
DOCUMENT REVISION HISTORY
Revision A (August 2011)
• Initial Release of this Document.
Revision B (July 2012)
• Added Declaration of Conformity; Added functional support for the AR1011 and
AR1021 controllers; Changed the title from “AR1100 Configuration Utility” into “AR
Configuration Utility”; Updated Figures 2-1, 3-1, 3-2, 3-4, 3-6, 3-7, 3-9, 3-13, 3-14
and 3-15; Updated section 3.1; Other minor corrections.
6‘ MICROCHIP The AR1000 can use emher me |2
AR CONFIGURATION UTILITY (ARCU)
USER’S GUIDE
2011-2012 Microchip Technology Inc. DS41605B-page 11
Chapter 1. Installation
The Microchip AR Configuration Utility (ARCU) is a Windows-based graphical user
interface that can be used to configure, calibrate, test and demonstrate both the
AR1000 and AR1100 series touch screen controllers. Additionally, the AR1100
firmware can be updated (re-flashed) via ARCU.
The AR1000 can use either the I2C™, SPI or USART based communication protocols,
while the AR1100 can use USB or RS-232 (serial). To facilitate AR1000 communications,
Microchip’s USB-based PICkit™ Serial Analyzer is employed to translate
communications from the host PC to the desired embedded protocol, and visa versa.
Provided the correct hardware is used, changing protocols in the ARCU is achieved via
a wizard or a simple options selection.
1.1 INSTALLATION
If installing from a CD, insert the CD into your PC and follow the installation instructions.
If installing from a zip file, double click on the file, unzip it and follow the installation
instructions.
Note: This version of the utility (revision 2.20) is the correct one for the AR1011
and AR1021 part numbers. Previous revisions of the utility will not work with
these two new devices.
Note: Recommended operating systems include Windows® XP 32- and 64-bit,
Windows 7 32- and 64-bit. It will require .NET 2.0 to run this application.
Some installations of .NET 4.0 do not include the .NET 2.0 framework. In
that case, you will need to download either the 2.0 or 3.5 (Service Pack 1)
version of .NET.
AR Configuration Utility (ARCU) User’s Guide
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NOTES:
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AR CONFIGURATION UTILITY (ARCU)
USER’S GUIDE
2011-2012 Microchip Technology Inc. DS41605B-page 13
Chapter 2. Getting Started
2.1 GETTING STARTED
• If using either the AR1000 or AR1100 Development kits, follow the Connections
step in the corresponding Quick Start Guide.
• If using the AR1000, connect the PICkit Serial Analyzer to the PC, the AR1000
board to the PICkit Serial Analyzer, and a sensor to the AR1000 board.
Note: Do not use a USB hub.
• If using the AR1100, connect either the USB or serial communications cable to the
AR1100 board and to the PC. Attach a sensor to the AR1100 board. If using a
serial connection, apply a 5V power supply to the serial leads (see the AR1100
PCB User’s Guide for details).
Start the ARCU by double clicking the desktop icon. After the splash screen
disappears, a welcome screen will appear:
FIGURE 2-1: WELCOME SCREEN
If this is the first time the ARCU has been used, select the Start Wizard icon to step you
through the configuration process. Follow the steps outlined in the Wizard. If using the
AR1020 (I2C, SPI) Development kit or the AR1100 Development kit (USB, Serial), have
the calibration template printed and ready to use.
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After the Wizard is complete, you should have established communications with the
AR1000/AR1100 and you will be taken to the first tab of the ARCU – the Configuration
tab. The Transactions window (automatically displayed) will show recent communica-
tions between the ARCU and the controller.
If there were errors, they will appear in red text in the Transaction window. Communication
errors are generally the result of physical connection or jumper issues. If you have errors,
check your connections and restart the wizard by pressing the Wizard button on the
Commands panel (Basic view) or in the Ribbon Tools Group (Diagnostic view).
After you have successfully completed the Wizard, touch the sensor and observe the
touch reports scrolling in the Transactions window.
Note: If you are using the AR1000 or the AR1020 Development kit, the
Configuration Wizard may initially ask you to update the PICkit Serial
Analyzer firmware. If it does, cancel out of the Wizard and press the Update
PKSA Firmware button on the Commands panel. Allow the firmware to
update, and then restart the Wizard.
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AR CONFIGURATION UTILITY (ARCU)
USER’S GUIDE
2011-2012 Microchip Technology Inc. DS41605B-page 15
Chapter 3. AR Configuration Utility Layout
AR CONFIGURATION UTILITY LAYOUT
The ARCU has four tabs, or pages:
• The Configuration Tab
• The Scribble Demo
• The Equalizer Demo
• The P.O.S. Demo
FIGURE 3-1: TABS
The Configuration tab is used to test, calibrate and configure the AR1000/AR1100.
The remaining tabs display typical AR controller demonstrations. If using the
demonstration tabs with a sensor in front of the PC screen, make sure the ARCU is
maximized to ensure proper cursor alignment.
Note: The text of the Configuration tab and the title bar will vary between
AR1000 and AR1100, depending on how the ARCU is configured.
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3.1 THE CONFIGURATION TAB
FIGURE 3-2: CONFIGURATION TAB IN DIAGNOSTIC VIEW
AR Configuration Utility Layout
2011-2012 Microchip Technology Inc. DS41605B-page 17
The AR Configuration page contains all the controls necessary to configure, calibrate
and test the AR1000 and the AR1100. The Configuration page consists of the following
areas:
• Ribbon Tools Group
• Ribbon Registers Group
• Commands Panel
•Status Bar
Ribbon Tools Group These are several helper windows used for various
operations. Press a button to open its window. Each
window’s purpose is described in Section 3.1.3 “Ribbon
Tools Group”.
Ribbon Registers The AR1000/AR1100 Configuration registers are logically
Group grouped here. You may change a register’s value directly
through its control. Changes are immediately written to the
controller’s registers and recorded in the Transactions
window. Hover your mouse over a register control to see
its tool tip description. See the AR1000 or AR1100 data
for more detail about each register.
Commands Panel Various firmware and utility commands and operations are
located here. Results of a command/operation will be
displayed in the Transaction window. Hover your mouse
over a button to see its tool tip description.
Status Bar The status bar, located at the bottom of the GUI, gives
current information regarding the state of the Configuration
Utility. The LED in the right corner gives the status of the
AR1000 or AR1100 connection. The ARCU version number
is also displayed in the right corner. The touch report rate
(reports per second) is displayed in the left corner.
Note: The ribbon tools and register groups are not available in the Basic view (see
Section 3.1.1 “View”).
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3.1.1 View
There are two views available for the Configuration tab: Basic and Diagnostic. The
Basic view is a subset of the Diagnostic view, hiding the parameter controls in the
ribbon and displaying a simplified set of buttons on the command panel. This view is
sufficient for initial exploration of the AR1000/AR1100 controllers, allowing the user to
see cursor coordinates, report rates, error messages, etc. Most commands and
operations are available as well (calibration, enabling/disabling the controller, reading
registers, etc.).
The Diagnostic view displays the AR1000/AR1100 configuration parameters in the
ribbon and allows the user to change their values, fine tuning the controller’s response
for a particular sensor or application.
The view can be changed via the radio buttons on the commands panel (see
Figure 3-3).
FIGURE 3-3: VIEW CONTROL
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AR Configuration Utility Layout
2011-2012 Microchip Technology Inc. DS41605B-page 19
3.1.2 Commands Panel
The Commands panel holds various command and operations buttons and is located
on either the right or left side of the main screen, depending on the layout preference.
FIGURE 3-4: COMMANDS PANEL
Read Registers Reads the AR1000/AR1100 Configuration registers,
displays the values on the Transactions window, and then
updates the register controls in the ribbon.
Register Start Address Sends a command to read the register start address value.
See the data sheet for more information.
Enable Touch Sends a command to enable touch for the AR1000/AR1100.
If AR1000 is in I2C or SPI mode, initiates a macro in the
PICkit Serial Analyzer to read touch reports when AUX2 for
I2C or Aux1 for SPI, goes high.
Disable Touch Sends a command to disable touch for the
AR1000/AR1100. If AR1000 is in I2C or SPI mode, disables
the macro in the PICkit Serial Analyzer used to read touch
reports.
Save to EE Writes the current register values to the EEPROM and
updates the displayed values in the EEPROM window (if the
EEPROM window is open, see Figure 3.1.3.2).
AR Configuration Utility (ARCU) User’s Guide
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Restore Defaults Restores default register values to the AR1000 by clearing
the lower half of the EEPROM and power-cycling the board.
Cycling power forces the AR1000 to read register and
calibration values from the EEPROM. However, if EEPROM
values are cleared, the AR1000 will use default register
values. For the AR1100, the upper portion of the EEPROM
is cleared and a Reset command is issued to force default
values to be used.
Toggle Power Reads VDD being supplied by the PICkit Serial Analyzer,
turns the voltage off for 250 ms, and then restores VDD and
pauses for another 250 ms. The effect of this is to power
cycle the AR1000. This will force it to read register values
from EEPROM. It has no effect on the AR1100.
Verify Communications Tests communication by sending a command to read the
PICkit Serial Analyzer firmware version and a command to
enable touch to the AR1000. For the AR1100, this command
will also read the registers.
Begin Calibration Sends calibration command to the AR1000/AR1100. A
calibration panel will appear over the entire computer
screen with cross hairs appearing, showing where to touch.
See the data sheet for a detailed explanation of the
calibration process.
Update PKSA Firmware (AR1000 only) Opens a file selection dialog box allowing the
user to select a PICkit Serial firmware hex file. Download
begins immediately after, and requires no user input. The
GUI will display messages on the Transaction window right
after start-up, if the firmware needs to be updated.
Update AR1100 Firmware (AR1100 only) Opens a file selection dialog box allowing the
user to select an AR1100 firmware hex file. Download
begins immediately after and requires no user input. User
must select first of a set of three hex files of the form
xyzBoot.hex.
Reset PKSA (AR1000 Only) Issues a Reset to the PICkit Serial Analyzer.
This disables any macros running in the PICkit Serial
Analyzer. This usually is only necessary if a command
needs to be issued in the Scripts dialog.
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AR Configuration Utility Layout
2011-2012 Microchip Technology Inc. DS41605B-page 21
3.1.3 Ribbon Tools Group
The Ribbon Tools Group contains seven windows launch buttons, of which only five or
six are visible at a time, depending on the protocol being used by the ARCU.
FIGURE 3-5: TOOLS GROUP
3.1.3.1 PICkit SERIAL ANALYZER WINDOW (AR1000 ONLY)
The PKSA window is used to modify the settings of the PICkit Serial Analyzer, including
which communications mode (protocol) to use.
FIGURE 3-6: PICkit SERIAL ANALYZER WINDOW
Comm Mode Selects the method of communications your device will be
using. Selecting one of the radio buttons automatically
configures the PICkit Serial Analyzer, if attached, for that mode.
The Communications mode is retained from run to run, and can
only be changed here, in the Options menu, or in the Wizard.
I2C™ This is the default mode. When selected, you may change the
bit rate by selecting a new value from the drop-down menu.
SPI You can change the bit rate by entering in a value (in MHz) into
the text box and pressing Update. The PICkit Serial Analyzer will
configure its bit rate as close as possible to that value and display
the actual value in the status bar below.
USART There are no configuration options available for USART. The
baud rate is fixed at 9600 to match the AR1000.
PKSA Will Provide Power Check if you wish to have the PICkit Serial Analyzer
provide a constant 5V VDD. Uncheck if you will be
providing external power to the AR1000.
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Read PKSA Button Reads the configuration of the PICkit Serial Analyzer
and then proceeds to update the control and status bar.
Flash LED Button Causes the PICkit Serial Analyzer to flash one of its
LEDs (usually the ‘Busy’ LED) for two seconds. You can
use this to verify communications with the PICkit Serial
Analyzer.
Connections Brings up a small window displaying the pin out of the
PICkit Serial Analyzer for a given communication’s
mode.
Reset PKSA Button Issues a Reset to the PICkit Serial Analyzer. This
disables any macros running in the PICkit Serial
Analyzer that would interfere with script execution. This
button has the same function as the Reset PKSA
button on the Command panel in the main window.
Status Bar Displays the current configuration parameters.
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AR Configuration Utility Layout
2011-2012 Microchip Technology Inc. DS41605B-page 23
3.1.3.2 EEPROM WINDOW
FIGURE 3-7: EEPROM WINDOW
The EEPROM window is used to display and modify the contents of the AR1000 and
AR1100 EEPROM. There are 256 bytes in the EEPROM, one-half of which are
reserved for use by the AR1000; the other half is available for user data. Bytes
0x00-0x7F are used by the AR1000 for register and calibration data. Bytes 0x80-0xFF
are free to be used by the host without risk of affecting AR1000 operation.
For the AR1011 and AR1021, an EEPROM protection checkbox has been added to
prevent unexpected results when making changes to the reserved registers section.
For the AR1100, bytes 0x00-0x5F are available for user data; the rest is reserved for
register and calibration data.
EEPROM ‘profiles’, representing the values in the window, can be saved and opened
via the File menu, and then written to the EEPROM via the Save button.
File Menu
Open Profile Opens existing profiles as .txt or .csv files.
Save Profile Saves displayed profiles as .txt or .csv files.
Close Closes the window.
Clear Button Clears the contents of the window; does not erase the
EEPROM.
Status LED Glows bright when the displayed values match the contents of
the EEPROM; dimmed when the displayed values do not. Note:
The EEPROM is not actively monitored by the utility; the LED is
updated in response to user activity.
Read Button Reads and displays the contents of the EEPROM.
Save Button Writes the displayed values to the EEPROM.
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AR Configuration Utility (ARCU) User’s Guide
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Update Registers Writes the displayed values to the AR1000/AR1100
Button registers.
Erase Button Erases the contents of the EEPROM.
Legend Keywords
Registers Bytes of data that set the controller’s options.
Calibration Data Bytes of data that contain information from calibration.
Reserved These bytes are not recommended for direct modification unless
directed to by support.
User Data A section of the EEPROM that is available to end users.
Block Key A unique byte indicating the presence of valid data in the next
data block.
Checksum An 8-bit value that is calculated by starting with the hexadecimal
value 0x45, then adding all data values in the previous data
block (including the block key byte) and finally using only the
lower-byte portion of the calculated sum.
Protected Non-selectable EEPROM area to protect from invalid byte data
corruption.
3.1.3.3 TRANSACTIONS WINDOW
The Transactions window displays data sent to and received from the
AR1000/AR1100, status and error messages, and touch report information. Sent data,
received data and error messages are color-coded. The Transactions window can also
display .txt and .rtf files. Multiple windows can be open at a time. However, only
the most recently opened window will display real time information.
FIGURE 3-8: TRANSACTIONS WINDOW
File Menu
Open Opens existing .txt or .csv files. Automatically clears the
window before opening the file.
Save Saves contents of window as .txt or .rtf files.
Close Closes the window.
Edit Menu
Copy Copies selected text to the clipboard.
Paste Pastes clipboard data to the window.
Select All Selects all of the data in the window.
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AR Configuration Utility Layout
2011-2012 Microchip Technology Inc. DS41605B-page 25
Clear All Clears all of the contents of the window.
Clear Button Clears all of the contents of the window.
Report Dashboard Toggles the visibility of the Touch Report Dashboard. The
dashboard graphically displays the touch report rate, error rate,
and pen mode.
Text and images can also be typed or pasted into the Transaction window and saved
along with existing content.
3.1.3.4 SCRIPTS WINDOW
FIGURE 3-9: SCRIPTS WINDOW
The Scripts window is used to create, save, and execute low-level commands. Script
execution is protocol agnostic. That is; a given script will work with an AR1000 that is
in I2C, SPI or USART mode or an AR1100 in HID-Generic mode (will not work in
HID-Digitizer or HID-Mouse mode). To load an existing script, double click the script
name in the far right panel.
A script consists of two parts; data sent to the AR1000/AR1100 (bytes contained in the
Script Detail box), and data received in response (expected byte count displayed in the
Receive Data box). Data sent by and received in response to the script are displayed
in the Transactions window.
To create a script, enter a name you wish to give it, fill in the bytes in the Script Detail,
and then enter the expected return byte count in the Receive Data. Save or execute
the script by pressing the appropriate button. For more information about the format of
the commands, see the AR1000 or AR1100 data sheet.
Script Name When creating a script, enter a name here.
Save Button Saves the script.
Execute Button Executes the displayed script. Results are shown in the
Transactions window. Note: For the AR1000, it may be
necessary to press the Reset PKSA button to disable any
running macros before a script can be run.
Clear Script Button Clears the current script.
AR Configuration Utility (ARCU) User’s Guide
DS41605B-page 26 2011-2012 Microchip Technology Inc.
Reset PKSA Button (AR1000 only) Issues a Reset to the PICkit Serial Analyzer.
This disables any macros running in the PICkit Serial Analyzer
that would interfere with script execution. This button has the
same function as the Reset PKSA button on the Command
panel in the main window.
Receive Only Button Issues a read command without sending a script. This aids in
low-level testing of the AR1000/AR1100 by allowing you to
separate the sending of a script (with 0 expected bytes) and at
a later time, issue a Read command.
Script Detail Enter the body of the script here. By default, bytes are inter-
preted as hexadecimal. If you wish to use decimal, click on the
‘x’ in a byte text box to change the radix. Data displayed in the
Transactions window is always hexadecimal, however.
Receive Data Enter the number of expected return bytes.
Commands Command values; see the AR1000 and AR1100 data sheets
for information about a specific command.
Loop Scripts may be run for a specified number of iterations, or to
run continuously, enter an iteration value of 0. The delay
between each iteration may be adjusted by the Delay control.
Check the Stop on Error checkbox to stop script iteration in
the event of an error.
Script Panel The far right panel contains the names of existing scripts.
Double click the script name to load it.
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AR Configuration Utility Layout
2011-2012 Microchip Technology Inc. DS41605B-page 27
3.1.3.5 WIZARD
FIGURE 3-10: CONFIGURATION WIZARD
The Wizard steps you through the process of configuring and calibrating the AR1000
and the AR1100. If you are using the touch sensor provided in one of the development
kits, print out the calibration template before beginning the Wizard. You will use this
template to provide a standard set of calibration points so the movement of your finger
or stylus on the touch sensor is correctly reflected on your computer monitor.
Depending on your choices in the Wizard, you may be asked to install an optimized
Configuration register profile. This profile will be written to the EEPROM and reflected
in the Configuration registers after completion of the Wizard.
The Wizard is one of the choices you have the first time you run the Configuration
Utility. However, you may run the Wizard again at any time by pressing the Wizard
button, located in the Tools group in the ribbon in the Diagnostic view, or on the
Commands Panel when in Basic view.
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AR Configuration Utility (ARCU) User’s Guide
DS41605B-page 28 2011-2012 Microchip Technology Inc.
3.1.3.6 OPTIONS WINDOW
The Options window contains several parameters that allow you to configure the GUI
for your particular work environment. Some options are strictly for cosmetic purposes,
while others allow you to fine tune the GUI according to your computer’s capabilities.
All options are retained from run to run.
FIGURE 3-11: OPTIONS WINDOW
Restore Defaults Changes all options to their default values.
Enter Demo Mode Hides the Configuration tab and launches the Scribble
demo. Use this mode to ensure that users do not have
access to the Configuration registers.
Ribbon Layout Allows you to expand or collapse groupboxes within the
ribbon. Depending on the size of your monitor, you may
want to collapse groupboxes you do not use often. If a
groupbox is collapsed, you can still access its controls by
clicking on it. Its controls will appear below the ribbon.
Startup Monitor Allows you to choose in which monitor the application will
start. This option has no effect if there is no secondary
monitor present.
Show Welcome Screen Check this if you want the welcome screen to open the
next time you start the GUI.
AR Configuration Utility Layout
2011-2012 Microchip Technology Inc. DS41605B-page 29
Touch Report Buffer Size A typical touch sensor transmits 100 to 200 touch reports
per second. Computers with slower processors may have
a difficult time keeping up with the higher rates, so touch
reports are buffered by the GUI and sent in mass to the
Transaction window to reduce CPU usage. Increasing this
value sends updates to the Transaction window less
frequently and decreases CPU usage. Decreasing this
value updates the Transaction window more often, but
increases CPU usage. While the effect of faster updates
is a more fluid response in the Transaction window, the
potential danger is dropped bytes in the touch reports due
to CPU starvation. A good rule of thumb is to keep your
CPU performance under 50% while touch reports are
being generated, as indicated by the Windows Task
Manager.
Mouse Mode This option allows you to change how the GUI interprets
pen up, down, and move touch reports for the AR1000.
The default method examines the contents of each report
to make this determination based on the default values
used in the TouchMode register. Important: If the default
values are not used in the TouchMode register, this method
will not work.
Use the Timer-based method if default values are not
used in the TouchMode register. This mode simply sends
mouse move events, if touch reports are being generated
and sends a mouse up event 100 milliseconds after the
last touch report.
Show Cursor – Config Allows the cursor to be controlled by touch reports on the
Configuration page. Checking this option will make it eas-
ier to navigate between the Configuration and other tabs,
but may make it confusing while using touch reporting on
the Configuration page. For example, while pressing on
the Transactions window, the window may behave
strangely because it is trying to update touch reports in
real time, but also trying to insert the cursor wherever the
touch is being generated.
It is recommended this option be left unchecked until you
become familiar with the operation of the AR Configuration
Utility.
4, 9, 25 Point Calibration Choose how many points to use during the calibration
procedure. More points will provide more accurate
tracking, especially for larger sensors. This option only
applies to the AR1100.
Num Wires Select the number of wires your sensor has. The option
for 5-wire is not shown since it is hardware selectable on
both the AR1000 and AR1100 and will override 4 or 8-wire
selection.
Communication Mode Select which communication protocol you wish to use.
Press the Test Communication button to initialize the
protocol in the GUI and attempt communication with the
AR1000/AR1100.
AR Configuration Utility (ARCU) User’s Guide
DS41605B-page 30 2011-2012 Microchip Technology Inc.
Help Dock Allows you to dock the Help panel to the left or right of the
GUI, or float it as a separate window.
Commands Dock Allows you to dock the Commands panel to the left or right
of the GUI.
Test This Port First Tells the GUI to try using the port in the accompanying drop
down first when attempting to find the AR1100. The default
method is to loop through all available COM ports until the
AR1100 is found, but this has the possibility of changing port
settings for another device that is attached.
COM Port Lists all available COM ports found on the PC. Select the
one to which the AR1100 is attached and check the box to
the left to have the GUI test communications on that port
before others.
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AR Configuration Utility Layout
2011-2012 Microchip Technology Inc. DS41605B-page 31
3.1.3.7 DIAGNOSTICS WINDOW (AR1100 ONLY)
FIGURE 3-12: DIAGNOSTICS WINDOW
The Diagnostics window is used to run resistance and risetime diagnostics. In order for
a diagnostic to be generated, the following bits must be set in the AR1100 groupbox in
the ribbon:
Resistance: Risetime Resistance (RTR)
Risetime: Risetime (RT)
To generate a diagnostic, perform the following steps:
• Set the above bits.
• Disable touch.
• Touch and hold the sensor.
• Press the Touch Check button.
• Enable touch when finished.
The measured resistance and risetime will be displayed in the Diagnostics window and
the Transactions window will display the commands and responses.
Disable Touch Button Disables touch response on the AR1100. Touch must be
disabled prior to running a diagnostic.
Enable Touch Button Enables touch response on the AR1100. You should enable
touch after running a diagnostic.
Touch Check Button Sends a TOUCH_CHECK command to the AR1100.
Diagnostic Results A LED will glow bright green if the diagnostic was
successfully measured and the value will be displayed along
side.
AR Configuration Utility (ARCU) User’s Guide
DS41605B-page 32 2011-2012 Microchip Technology Inc.
3.1.4 Keyboard Shortcuts
The AR Configuration Utility has a multitude of keyboard shortcuts that can be used to
quickly navigate through the utility. The included keyboard shortcuts are:
Help Press the F1 key to bring up the Help menu
Command Bar Shortcuts To use the command bar keyboard shortcuts, first press
the ALT key, followed immediately by the underlined
character on the command bar. The letter is capitalized
here for visibility.
View:
Basic View ALT + I (I as in Icarus)
Diagnostic View ALT + N
Commands:
Read Registers ALT + R
Enable Touch ALT + T
Disable Touch ALT + O
Save To EE ALT + S
Register Start Address ALT + G
Operations:
Restore Defaults ALT + U
Toggle Power ALT + P
Verify Communications ALT + V
Begin Calibration ALT + L
Start Wizard ALT + W
AR1000/AR1100:
Update PKSA Firmware ALT + M
Reset PKSA ALT + K
Ribbon Shortcuts To use the ribbon keyboard shortcuts, first press and
release the ALT button on the keyboard followed by
pressing two keys according to the list below.
Tools Ribbon:
Diagnostics Window ALT, A, D
EEPROM Window ALT, A, E
Trans Window ALT, A, T
Scripts Window ALT, A, S
Wizard ALT, A, W
Options ALT, A, O
AR Configuration Utility Layout
2011-2012 Microchip Technology Inc. DS41605B-page 33
Thresholds, Delays, Samplings:
Touch Threshold ALT, B, T
Speed Threshold ALT, B, S
Touch Report Delay ALT, B, D
Sleep Delay ALT, B, P
Sampling Fast ALT, B, F
Sampling Slow ALT, B, W
Filtering:
Accuracy Filter Slow ALT, C, W
Accuracy Filter Fast ALT, C, F
Sensitivity Filter ALT, C, S
Calibration:
Calibration Inset ALT, D, I (I as in Icarus)
Enable Calibrated Coord ALT, D, E
Pen Options:
Down Mode ALT, E, D
Movement Mode ALT, E, M
Up Mode ALT, E, U
Up Delay ALT, E, P
State Rprt Delay ALT, E, R
AR1100:
EEV A LT, F, E
CALV A LT, F, L
DRT ALT, F, D
RiseTm Default A LT, F, T
RiseTm Modify ALT, F, M
Dither ALT, F, I
TEN ALT, F, N
Verbose Cal A LT, F, V
DRT ALT, F, W
RT ALT, F, R
RTC ALT, F, C
RTR ALT, F, A
SP ALT, F, S
MM ALT, F, B
AR Configuration Utility (ARCU) User’s Guide
DS41605B-page 34 2011-2012 Microchip Technology Inc.
3.2 THE DEMONSTRATION TABS
The AR Configuration Utility has three tabs that can be used to test and demonstrate
touch movements: Scribble, Equalizer, and Point-Of-Sale (P.O.S.).
Ideally, you would have a touch sensor the same size as your computer monitor, or lap-
top screen. Then you could place it over your monitor, attach it to the AR1000/AR1100,
perform a calibration and use your finger or stylus to interact with the controls on the
demonstration tabs.
The AR1000 and AR1100 development kits provide an alternative method. You can
use the included touch sensor along with the templates provided in the Calibration
Template document to interact with the P.O.S. demonstration tab controls. Print out the
Calibration Template document (be sure to print it at 100% of its size) and run the
Wizard located in the Tools group of the ribbon. If you have already run the Wizard and
have established communications with the AR1000/AR1100, you can also simply press
the Begin Calibration button on the Commands panel and use the template instead
of the on-screen calibration points.
3.2.1 Scribble Tab
FIGURE 3-13: SCRIBBLE TAB
Scribble is a simple drawing program. The first set of buttons allows you to increase or
decrease the width of the pen, clear the drawing, and enter Full Screen mode. The sec-
ond set of buttons allows you to change the color of the pen. The third set of buttons
allows you change the background color. You also have the option of using this tab in
Full Screen mode.
Note: When interacting with the demonstration tabs via the templates, the
AR1000/AR1100 will also control your cursor; however, your mouse is still
usable.
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AR Configuration Utility Layout
2011-2012 Microchip Technology Inc. DS41605B-page 35
3.2.2 Equalizer Tab
FIGURE 3-14: EQUALIZER TAB
This tab demonstrates a graphic equalizer. All of the controls are sliders, except the
Bass control. To change the Bass control setting, press and hold the Up or Down
button next to the scale.
The Bass control is different than the rest to demonstrate an alternative technique that
achieves the same result. Press the Up/Down buttons to change the equalizer value.
3.2.3 P.O.S. Tab
FIGURE 3-15: P.O.S TAB
This is a point-of-sale emulator. Press an item button to add that item to your shopping
list. The Clear button resets your shopping list. There is also a numeric keypad for
entering unspecified items.
AR Configuration Utility (ARCU) User’s Guide
DS41605B-page 36 2011-2012 Microchip Technology Inc.
NOTES:
2011-2012 Microchip Technology Inc. DS41605B-page 37
AR Configuration Utility (ARCU) User’s Guide
NOTES:
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