TSHARC WinCE Drivers Manual Datasheet by Microchip Technology

TSHARC™ Win CE Drivers Manual

Windows® CE version 4.2

RS-232, USB & PS/2

Rev 1.18

Document Revision and Copyright

Document Name: WinCE42DriversMan042209

Document Date: April 22, 2009

TSHARC™ is the exclusive trademarks of Microchip Technology

Contact Information

Microchip Technology

9055 North 51st Street Suite: H

Brown Deer, Wisconsin 53223

www.microchip.com/TSHARC

Phone: 414-355-4675

Fax: 414-355-4775

1. Table of Contents

1.Table of Contents ..................................................................................................................... 2

2.Table of Figures ....................................................................................................................... 3

3.Introduction ............................................................................................................................... 4

Before you Begin ......................................................................................................................... 4

Supported Features ..................................................................................................................... 4

Supported Processors ................................................................................................................. 4

RS-232 Specific Information ........................................................................................................ 4

Port Assignment ....................................................................................................................... 4

Baud Rate Configurations ........................................................................................................ 4

PS/2 Specific Information ............................................................................................................. 4

USB Specific Information ............................................................................................................. 4

4.Running the TSHARC Microsoft Installer File .......................................................................... 5

Welcome Screen .......................................................................................................................... 5

License Agreement ...................................................................................................................... 6

Select Installation Folder .............................................................................................................. 7

Browsing Folder Location ......................................................................................................... 7

Verifying Disk Space ................................................................................................................ 8

Confirm Installation ...................................................................................................................... 8

Install Status Screen .................................................................................................................... 9

Driver Updates Report ................................................................................................................. 9

Installation Complete ................................................................................................................. 10

Driver File Locations .................................................................................................................. 10

5.Adding a TSHARC Driver Component to an OS Design ....................................................... 11

Launch "Platform Builder 4.2" .................................................................................................... 11

Board Support Package Selection ............................................................................................. 12

Design Templates ...................................................................................................................... 13

Application and Media Selection ................................................................................................ 14

Networking and Communications .............................................................................................. 15

Completing Platform Builder Wizard .......................................................................................... 15

Adding the TSHARC Catalog ..................................................................................................... 16

6.Configuring TSHARC Controller ............................................................................................ 17

Changing the Number of Calibration Points .............................................................................. 17

Method 1: ............................................................................................................................... 17

Method 2: ............................................................................................................................... 17

Calibrating the Controller ........................................................................................................... 17

Windows CE Calibration Registry Entries .................................................................................. 17

Enabling Right-Click Emulation.................................................................................................. 18

Method 1 ................................................................................................................................ 18

Method 2 ................................................................................................................................ 18

Configuring Right-Click Emulation ............................................................................................. 18

Disabling Right-Click Emulation ................................................................................................. 18

Changing Calibration Timeout Values ....................................................................................... 19

Method 1: ............................................................................................................................... 19

Method 2: ............................................................................................................................... 19

Configure Touch Beep ............................................................................................................... 19

Method 1: ............................................................................................................................... 19

Method 2 ................................................................................................................................ 20

Enable/Disable Touch Beep ...................................................................................................... 20

Enable .................................................................................................................................... 20

Disable.................................................................................................................................... 20

Loud Beep .............................................................................................................................. 20

Soft Beep ................................................................................................................................ 20

Changing the mouse event stream rate ..................................................................................... 20

Method 1: ............................................................................................................................... 20

Method 2: ............................................................................................................................... 20

7.TSHARC Component Removal .............................................................................................. 21

Removing a TSHARC Driver Components from an OS Design ............................................ 21

Removing TSHARC Driver Components from the Catalog ................................................... 21

8.Additional Set-Up Notes ......................................................................................................... 21

Adding shortcuts applications in an OS Design ......................................................................... 21

Establish Communication with Target CE Device ..................................................................... 21

Aygshell Component - Effect on Right-Click Emulation ............................................................. 22

Saving registry settings to Persistent Storage ........................................................................... 22

Method 1: ............................................................................................................................... 22

Method 2: ............................................................................................................................... 22

Troubleshooting TSHARC CE Driver ......................................................................................... 22

Notes ............................................................................................................................................. 23

2. Table of Figures

Figure 1: TSHARC CE 4.2.msi Welcome ........................................................................................ 5

Figure 2: End User License Agreement .......................................................................................... 6

Figure 3: Select Installation Folder .................................................................................................. 7

Figure 4: Browse for Folder ............................................................................................................. 7

Figure 5: Disk Cost View ................................................................................................................. 8

Figure 6: Confirm Installation ........................................................................................................... 8

Figure 7: Install Status Screen ........................................................................................................ 9

Figure 8: Changes Made Since Previous Version ........................................................................... 9

Figure 9: Installation Complete ...................................................................................................... 10

Figure 10: Welcome to the Platform Wizard Screen ..................................................................... 11

Figure 11: Board Support Package Selection Screen ................................................................... 12

Figure 12: Platform Configuration Selection .................................................................................. 13

Figure 13: Application and Media Selection .................................................................................. 14

Figure 14: Networking and Communications ................................................................................ 15

Figure 15: Completed Platform Wizard ......................................................................................... 15

Figure 16: Adding TSHARC Component ....................................................................................... 16

3. Introduction

Before you Begin

• Platform Builder 4.2 must already be installed and configured on your Windows

development system.

• Please be sure no instances of Platform Builder 4.2 are currently running.

• Navigate your system to find the TSHARCCE42V118.MSI executable file.

Supported Features

3, 4, 7, and 20 Point Calibration

Right-Click Emulation

Hardware Beep Support

Configurable Data Stream Rate

Supported Processors

Hampshire has recompiled the source code for the TSHARC WinCE driver to support the

following processors.

ARMV4I

MIPSII

MIPSII_FP

MIPSIV

MIPSIV_FP

SH4

X86

RS-232 Specific Information

Port Assignment

The driver loads based on the "Port" value entry within the "TSHARCS.reg" file. This value

corresponds with the available port.

• "Port"=dword: 1” assigns the port to the first available port defined in the “platform.reg”

file.

• "Port" ="dword: 2" assigns the port to the second available port defined in the

“platform.reg” file.

Baud Rate Configurations

If using a TSHARC® controller using other than a 9600 baud rate, the baud rate may be changed

via the “Baud” registry entry. This may also be found in the “TSHARCS.REG” file.

TSHARC controllers are 9600 Baud by default.

PS/2 Specific Information

The 8042 input driver must be included in the OS Design in order for the TSHARC PS/2 driver to

function on CE device.

USB Specific Information

The USB host controller and the UHCI component must be installed in order for USB to function.

These components are added automatically after adding the "USB TSHARC Touch Screen

Driver" component to the OS Design.

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4. Running the TSHARC Microsoft Installer File

Welcome Screen

Figure 1: TSHARC CE 4.2.msi Welcome

Running the Microsoft Installer application will begin with a Welcome screen. This screen shows

you what version of the driver you are installing, and for what CE platform version.

Platform builder must be installed before running the .MSI file. If you realize that Platform

Builder is not present on your system, please select ‘Cancel’ to abort the installation

process.

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License Agreement

Figure 2: End User License Agreement

The End User License Agreement must be read and agreed-to before proceeding with the

installation.

If you do not agree with the EULA statement, please select ‘Cancel’, and exit the installation

application.

TSHARC drivers are available at no charge to TSHARC touch screen controller board or chip

customers only. Any unlawful use of TSHARC drivers is in strict violation of the United States

and international copyright laws. Please contact Microchip Technology Inc. if you have any

questions regarding the license agreement.

Using a TSHARC Driver with any third party touch screen controller is strictly prohibited

unless authorized in writing by Microchip Technology Inc.

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Select Installation Folder

Figure 3: Select Installation Folder

Enter the root directory of your Windows CE installation and then click on the “Next” button.

For most configurations, the default path is appropriate.

Select “Next” to proceed with installation.

Browsing Folder Location

Figure 4: Browse for Folder

The TSHARCCE42V118.msi copies files to the development system.

To select a different file path, please browse to the desired location.

Select “OK” to exit.

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Verifying Disk Space

Figure 5: Disk Cost View

The Disk Cost View shows the amount of space available on each hard drive included on the

development system.

Click on the “OK” button to exit.

Confirm Installation

Figure 6: Confirm Installation

The “Confirm Installation” screen is the last opportunity to abort the installation of the driver on the

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development system.

Select “Next” to continue with the installation.

Install Status Screen

Figure 7: Install Status Screen

Once installation is complete, please select “Next”.

Driver Updates Report

Figure 8: Changes Made Since Previous Version

A document on changes made to the driver will appear.

Select “Next” to proceed.

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Installation Complete

Figure

9: Installation Complete

The installation of the TSHARC® driver is now complete.

Driver File Locations

Upon successful installation of the TSHARC driver, the TSHARC Driver files will now be copied

according to the following:

• The Serial files are copied to

"<WINCEROOT>\PUBLIC\COMMON\OAK\DRIVERS\TSHARC\TSHARCS"

• The PS/2 files are copied to

"<WINCEROOT>\PUBLIC\COMMON\OAK\DRIVERS\TSHARC\TSHARCP"

• The USB files are copied to

"<WINCEROOT>\PUBLIC\COMMON\OAK\DRIVERS\TSHARC\TSHARCU"

The TSHARC driver components are now added to the Windows CE catalog.

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5. Adding a TSHARC Driver Component to an OS

Design

Adding the TSHARC driver component to your OS design is an integral step in the Image Building

Process. Often this step is over-looked or performed incorrectly.

The TSHARC driver was designed to make this process simple to execute.

These steps show how to add the TSHARC controller’s component to your image design.

Launch "Platform Builder 4.2"

Figure 10: Welcome to the Platform Wizard Screen

The Platform Wizard is a Windows CE tool used to create a Windows CE Operating System.

It allows for the selective inclusion of many different peripheral devices and other system

dependencies.

Other options may be desirable for the particular image build. This document merely

shows how to add the TSHARC driver component.

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Board Support Package Selection

Figure 11: Board Support Package Selection Screen

Many different board support packages are available with the TSHARC controller.

While many CE systems seen are X86, please make sure the correct BSP for the image build is

selected.

Failure to include the correct BSP may result in a non-functioning image build.

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Design Templates

Figure 12: Platform Configuration Selection

Design templates are ready-configured system builds made available by Platform Builder. These

different configurations try to include the necessary dependencies and components for your

particular application.

The TSHARC driver has been verified using the “Industrial Controller” Design Template.

Other design templates may work, but the Industrial Controller configuration is strongly

recommended.

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Application and Media Selection

Figure 13: Application and Media Selection

This screen allows for the addition of applications and media support to the OS build. This is

completely optional and dependent only on the individual project’s requirements.

TSHARC controllers do not require the addition of peripheral applications or media packages,

unless system beep is required. If beep is required, then Waveform Audio Support much be

added.

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Networking and Communications

Figure 14: Networking and Communications

If any additional support for networking or communications are required, please select them here.

Select “Next” to continue.

Completing Platform Builder Wizard

Figure 15: Completed Platform Wizard

Please select “Finish” to complete the Wizard.

Adding the TSHARC Catalog

Adding the TSHARC Device Driver as a catalog item is essential for correct driver

implementation.

The TSHARC Driver Catalog can be found under Core OS, within the Display Base Devices.

Figure 16: Adding TSHARC Component

To include this catalog item, please right click the touch screen driver component to add to the

Windows CE image.

Please the left click the “Add to Platform” option.

Only one TSHARC interface component (Serial, PS2, USB) should be included in an OS

design at any given time. The TSHARC driver supports a single controller configuration.

6. Configuring TSHARC Controller

Changing the Number of Calibration Points

Method 1:

• In "Platform Builder 4.2", click on the FileView tab

• Double click on the appropriate registry file <WINCEROOT>\PUBLIC\COMMON\OAK

o If Serial

\DRIVERS\TSHARC\TSHARCS\TSHARCS.reg

o If PS/2

\DRIVERS\TSHARC\TSHARCP\TSHARCP.reg

o If USB

\DRIVERS\TSHARC\TSHARCU\TSHARCU.reg

• Change the value of "CalType" appropriately

o For 3-point calibration, set value to "dword:3"

o For 4-point calibration, set value to "dword:4"

o For 7-point calibration, set value to "dword:7"

o For 20-point calibration, set value to "dword:14"

• Rebuild and recreate run-time image.

Method 2:

• Using a registry editor for the target device, change the “CalType” registry item located

within the “HKEY_LOCAL_MACHINE\SOFTWARE\Hampshire\CurrentVersion\CalType”

branch according to the following:

o For 3-point calibration, set value to "dword:3"

o For 4-point calibration, set value to "dword:4"

o For 7-point calibration, set value to "dword:7"

o For 20-point calibration, set value to "dword:14"

• Browse to the “Windows” directory using Windows Explorer and double-click the shortcut

“TouchIOCTL”. This will cause current TSHARC driver to re-read and apply the new

registry settings.

Calibrating the Controller

• Select the Start menu

• Under the “Programs” group select “TSHARC Calibration”

• Touch all targets with activator tip for at least a couple seconds each.

The points used for the calibration is determined by the “CalType” registry entry described in

section “Changing the Calibration Type” below.

If no shortcut is present under “Programs” group, a shortcut to the calibration application may be

found in under the “Windows” directory on the CE Device.

Windows CE Calibration Registry Entries

Calibration parameters are created by Hcecal after calibration and are stored in the registry under

the following key:

[HKEY_LOCAL_MACHINE\SOFTWARE\Hampshire\CurrentVersion\Global]

Upon boot, if the registry entries are not located, the driver defaults to a default un-calibrated

state.

Enabling Right-Click Emulation

Method 1

• In "Platform Builder 4.2", click on the “FileView” tab

• Double click on the appropriate registry file <WINCEROOT>\PUBLIC\COMMON\OAK

o If Serial

\DRIVERS\TSHARC\TSHARCS\TSHARCS.reg

o If PS/2

\DRIVERS\TSHARC\TSHARCP\TSHARCP.reg

o If USB

\DRIVERS\TSHARC\TSHARCU\TSHARCU.reg

• Remove the semi-colons (uncomment) from the last four lines of the file.

• Rebuild and recreate run-time image.

Method 2

• Using a registry editor for the target device, change the “xEventArea”, “yEventArea” and

“RightClickTime” registry items located within the

“HKEY_LOCAL_MACHINE\SOFTWARE\Hampshire\CurrentVersion\Global” branch

according to the description of what these values are responsible for in the next

paragraph.

• Browse to the “Windows” directory using Windows Explorer and double-click the shortcut

“TouchIOCTL”. This will cause current TSHARC driver to re-read and apply the new

registry settings.

Configuring Right-Click Emulation

There are three entries that can be configured for right-click emulation found at

[HKEY_LOCAL_MACHINE\SOFTWARE\Hampshire\CurrentVersion\Global]

• "xEventArea"

• "yEventArea"

• "RightClickTime"

The "RightClickTime" is the time elapsed (measured in clock ticks) on a touch that is within an

area on the screen (the event area) before a right-click event is sent.

The "xEventArea" and "yEventArea" entries are horizontal and vertical components of the area

that a touch remains in for a time specified by "RightClickTime" before a right-click event is sent.

The Values for "xEventArea" and "yEventArea” entries can range from between 0x0000 and

0xFFFF.

The "xEventArea" and "yEventArea" are relative to the touch screen coordinates rather than the

screen coordinates.

To determine the values for xEventArea and yEventArea, the following formula may be used:

xEventArea = 65535 * (desired_event_area_width / width_of_touchscreen)

yEventArea = 65535 * (desired_event_area_height / height_of_touchscreen)

These values must be entered in hexadecimal for the Registry entry.

Disabling Right-Click Emulation

To disable Right-Click emulation, “RightClickTime” should have of value or zero, or the registry

entries “xEventArea”, “yEventArea”, and “RightClickTime” can be removed or kept absent from

the registry.

Changing Calibration Timeout Values

There are two timeout values that are adjustable in the registry that correspond to the timeout

value when first launching the calibration application (“CalTimeIn”) and the timeout value after

touching all of the calibration points(“CalTimeOut”). If the countdown timer for “CalTimeIn”

expires, the calibration application simply exits. If the counter for “CalTimeOut” expires then the

calibration application reverts the calibration settings to the previous settings. The default value

“CalTimeIn” is 15 seconds and the default value for “CalTimeOut” is 90 seconds.

Method 1:

• In "Platform Builder 4.2", click on the “FileView” tab

• Double click on the appropriate registry file <WINCEROOT>\PUBLIC\COMMON\OAK

o If Serial

\DRIVERS\TSHARC\TSHARCS\TSHARCS.reg

o If PS/2

\DRIVERS\TSHARC\TSHARCP\TSHARCP.reg

o If USB

\DRIVERS\TSHARC\TSHARCU\TSHARCU.reg

• Add the following lines to the end of the file:

[HKEY_LOCAL_MACHINE\SOFTWARE\Hampshire\CurrentVersion\Global]

"CalTimeIn"=dword:F

“CalTimeOut”=dword:5A

• Rebuild and recreate run-time image.

Method 2:

• Using a registry editor for the target device, change the “CalTimeIn”, “CalTimeOut”

registry items located within the

“HKEY_LOCAL_MACHINE\SOFTWARE\Hampshire\CurrentVersion\Global” branch

according to timeout value(s) that are desired.

• Browse to the “Windows” directory using Windows Explorer and double-click the shortcut

“TouchIOCTL”. This will cause current TSHARC driver to re-read and apply the new

registry settings.

Configure Touch Beep

Method 1:

The following lines may be added to the "tsharcs.reg", "tsharcu.reg" or "tsharcp.reg" file.

[HKEY_LOCAL_MACHINE\SOFTWARE\Hampshire\CurrentVersion\Global]

"usewincebeep"=dword:1

The "Volume & Sounds" control panel applet uses the "PanelState" registry to store its settings.

If "usewincebeep"=1

This value is queried on touch-down and changes made in the control panel can be

observed immediately.

If the "usewincebeep"=2

This value is queried on touch up. Also, changes in the control panel applet will not be

observed until the second touch.

The follow entry is needed to make the option to configure taps in the "Volume & Sounds"

control panel applet visible:

[HKEY_LOCAL_MACHINE\ControlPanel]

"Screen"=dword:3

Method 2

The Beep can also be configured using the Windows CE "Volume & Sounds" control panel

applet. To use this applet, set the "usewincebeep" entry to a DWORD value of one or two in the

"HKEY_LOCAL_MACHINE\SOFTWARE\Hampshire\CurrentVersion\Global" registry branch.

Enable/Disable Touch Beep

Enable

To enable the beep add the registry value "beepEnabled" and set it to one.

Disable

To disable the beep, exclude the "beepEnabled" registry value or set to zero.

Loud Beep

To make the beep loud, add the registry value "beepIsLoud" and set it to one.

Soft Beep

To make the beep soft, exclude the "beepIsLoud" registry value or set to zero.

Changing the mouse event stream rate

When the mouse cursor moves and changes state as a result of a touch, the TSHARC CE driver

sends a series of mouse events to the Windows CE event queue. If the mouse events are sent

too fast, other CE applications and background process may take longer to process their own

events while the touch screen is being touched. For this reason, a new feature has been added

to the TSHARC Serial and USB drivers to allow adjustment of the speed at which the driver

sends mouse events.

The default value is a minimum duration 16 clock ticks for every mouse packet (except for pen up

and pen down packets which are always processed immediately).

For slower embedded devices, it may be desirable to increase this value to decrease to rate at

which mouse packets are sent. For faster devices, it may be desirable to decrease this value to

increase the rate at which mouse packets are sent.

Method 1:

• In "Platform Builder 4.2", click on the FileView tab

• Double click on the appropriate registry file <WINCEROOT>\PUBLIC\COMMON\OAK

o If Serial

\DRIVERS\TSHARC\TSHARCS\TSHARCS.reg

o If PS/2

\DRIVERS\TSHARC\TSHARCP\TSHARCP.reg

o If USB

\DRIVERS\TSHARC\TSHARCU\TSHARCU.reg

• Add the following lines:

[HKEY_LOCAL_MACHINE\SOFTWARE\Hampshire\CurrentVersion\Global]

"mouseMoveThreshold"=dword:10

Method 2:

• Using a registry editor for the target device, add or change the “mouseMoveThreshold”,

registry item located within the

“HKEY_LOCAL_MACHINE\SOFTWARE\Hampshire\CurrentVersion\Global” branch to

the desired minimum duration length to be applied for every mouse stream packet.

• Browse to the “Windows” directory using Windows Explorer and double-click the shortcut

“TouchIOCTL”. This will cause current TSHARC driver to re-read and apply the new

registry settings.

7. TSHARC Component Removal

Removing a TSHARC Driver Components from an OS Design

• Click on the "FeatureView" tab.

• Browse to "Device Drivers->Input Devices".

• Right-click on the appropriate TSHARC component:

o If Serial, right-click on "Serial TSHARC Touch Screen Driver"

o If PS2, right-click on "PS/2 TSHARC Touch Screen Driver"

o If USB, right-click on "USB TSHARC Touch Screen Driver"

• Left-click "Delete".

Removing TSHARC Driver Components from the Catalog

• Open “Platform Builder” version 4.2.

• Select “File->Manage Catalog Features…” from the applications menu system.

• Click on “tsharc.cec” file from the list of catalog feature files.

• Click on the “Remove” button.

• Click on the “OK” button.

The TSHARC driver components are now removed from the Catalog.

To remove the TSHARC files as well, the directory

"<WINCEROOT>\PUBLIC\COMMON\OAK\DRIVERS\TSHARC” now can safely be deleted.

8. Additional Set-Up Notes

Adding shortcuts applications in an OS Design

To create a shortcut to the calibration utility, open the

file"<WINCEROOT>\PUBLIC\COMMON\OAK\DRIVERS\TSHARC\HCECAL\HCECAL.DAT” and

copy and paste the contents of this file to the “project.dat” file for the current project.

Establish Communication with Target CE Device

To modify the registry, add a file, or to use any of Platform Builders tools on existing target CE

system, the ActiveSync tool is very necessary for making changes on a target CE device.

To connect via ActiveSync, there are multiple communication mechanisms available to connect to

the target device. Usually, the easiest way to communicate with the target device is to attach a

NULL modem cable between the CE device and other computer that is used for debugging,

download the latest ActiveSync application, and then in the windows directory of the CE device,

there is usually the executable file "repllog". Double-click this application from Windows Explorer

and the device will connect to the debugging computer.

For detailed instructions on different ways to communicate with a Windows CE, please see

Microsoft’s documentation.

Aygshell Component - Effect on Right-Click Emulation

Windows CE has a shell extension called "aygshell" that is meant to be used with touch screen.

If the touch screen is touched and held in the same region of the screen, black dots will appear

and a right click will occur in the same area that is being touch. The issue with using this is

component is that appears to be no way to disable this component once it has been included in

the CE target image. Also, this component conflicts with the right-click feature of the driver. To

remove this component, search for the "aygshell" component and remove this from the target

image. A clean build should then be done to ensure it is properly removed.

If this component is component is included in the target image, it may be configured as follows:

• The "HKEY_LOCAL_MACHINE\System\GWE\Commctrl" registry subkey stores settings

that affect common controls.

• UseLongDelayForGestures : DWORD

• There is no default setting. This value controls the recognition delay used by

SHRecognizeGesture. If this value is set to 1, then the delay is 800 ms. Otherwise, the

delay is 400 ms There is no way to disable this feature.

Saving registry settings to Persistent Storage

After calibrating the touch screen controller the calibration registry settings are automatically

saved to the persistent storage if persistent storage is setup correctly on the CE device.

However, if the TSHARC registry settings are edited using a registry editor or third-party

application, the new registry settings may be saved using two methods.

Method 1:

Click “Start->Suspend” on the Windows CE target.

Method 2:

If changing the registry settings programmatically, call RegFlushKey() function in source

code after making registry modifications.

Troubleshooting TSHARC CE Driver

In some cases there may be conflicting devices or an invalid configuration on a target CE system.

In this case, it may be difficult to determine if the TSHARC driver is correctly being loaded.

To see if the TSHARC CE driver is being loaded and if there are any relevant messages being

outputted due to an invalid configuration, it is often useful to see the kernel debug output from the

target system.

Very often on Windows CE devices, there is a COM port available for kernel debugging. If there

is such a COM port, attach a NULL modem cable between the CE device and other computer

that is used for debugging. On the computer that is used for debugging, set the terminal

application to 38400-N-8-1. If there is a successful communication with the device, first output

from the boot loader will be seen followed by output from the CE operating system. There will be

kernel debug messages from the TSHARC driver if the target system is correctly configured.

Notes

www.microchig.com/TSHARC 6‘ MICHDCHIP M‘CI’OCHIP Technology Inc. 9055 N. 51st Street, Suite H, Brown Deer, Wisconsin 53223 Ph:414-355-4675 wwwmicrochip‘com/TSHARC Fax: 414-355-4775