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eZ430-Chronos™ Development Tool
User's Guide
Literature Number: SLAU292D
November 2009–Revised March 2011
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SLAU292D–November 2009–Revised March 2011
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Contents
Preface ....................................................................................................................................... 9
1 eZ430-Chronos™ Overview ................................................................................................ 11
1.1 Overview .................................................................................................................... 11
1.2 Kit Contents ................................................................................................................ 12
2 Getting Started .................................................................................................................. 13
2.1 Using the eZ430-Chronos Watch Stand Alone ........................................................................ 13
2.1.1 Setting the Time .................................................................................................. 13
2.1.2 Setting the Date .................................................................................................. 14
2.1.3 Feature Overview and Menu Structure ........................................................................ 15
2.2 Install Demo Application, Drivers and Firmware ...................................................................... 16
2.2.1 Windows® Installation ........................................................................................... 16
2.2.2 Linux® Installation ................................................................................................ 16
2.3 Using the eZ430-Chronos Watch With a PC .......................................................................... 17
2.3.1 Transmission of Acceleration Data and Button Pushes ..................................................... 17
3 eZ430-Chronos Software .................................................................................................... 21
3.1 Overview .................................................................................................................... 21
3.2 eZ430-Chronos Sports Watch Software ................................................................................ 21
3.2.1 Detailed Feature Overview - Modes Using the Top LCD Line ............................................. 23
3.2.2 Detailed Feature Overview - Modes Using the Bottom LCD Line .......................................... 26
3.3 eZ430-Chronos Control Center PC Software .......................................................................... 30
3.3.1 SimpliciTI™ Acc/PPT Tab (Mouse and PowerPoint Control) ............................................... 31
3.3.2 Key Configuration Tab ........................................................................................... 34
3.3.3 SimpliciTI™ Sync ................................................................................................. 35
3.3.4 BlueRobin™ Heart Rate Simulator ............................................................................. 36
3.3.5 Wireless Update .................................................................................................. 37
3.4 eZ430-Chronos Watch Data Logger .................................................................................... 39
3.4.1 Detailed Feature Overview ...................................................................................... 41
3.5 Data Logger PC Software ................................................................................................ 41
3.5.1 SimpliciTI Data Logger ........................................................................................... 42
3.5.2 Wireless Update .................................................................................................. 44
3.6 eZ430-Chronos Software Projects ...................................................................................... 45
3.6.1 IDE Installation .................................................................................................... 45
3.6.2 Chronos-to-Chronos (C2C) Communication .................................................................. 46
3.6.3 eZ430-Chronos Watch Software Flow ......................................................................... 48
3.6.4 eZ430-Chronos Wireless Update Feature .................................................................... 50
3.6.5 eZ430-Chronos Firmware ....................................................................................... 55
3.6.6 eZ430-Chronos GUI Sources ................................................................................... 56
4 eZ430-Chronos Hardware ................................................................................................... 63
4.1 Programming/Reprogramming the eZ430-Chronos Watch: Disassembly and Assembly of the Housing ..... 63
4.1.1 Disassembly of eZ430-Chronos Watch ........................................................................ 63
4.1.2 Assembly of eZ430-Chronos Watch ........................................................................... 65
4.2 Functional Description of the eZ430-Chronos Watch ................................................................. 67
4.3 Functional Description of the eZ430-Chronos RF Access Point .................................................... 69
4.4 Functional Description of the eZ430-Chronos Debug Interface ..................................................... 70
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4.4.1 MSP430 Application UART ..................................................................................... 70
4.5 Schematics, Layout, BOM, and LCD ................................................................................... 71
4.5.1 eZ430-Chronos-433 Watches ................................................................................... 71
4.5.2 eZ430-Chronos-868 and -915 Watches ....................................................................... 79
4.6 Access Point Schematics, Layout and BOM ........................................................................... 89
4.6.1 eZ430-Chronos-433 RF Access Point ......................................................................... 89
4.6.2 eZ430-Chronos-868 and -915 RF Access Point ............................................................. 94
4.6.3 Debugging Interface Schematics and Layout ............................................................... 100
A Frequently Asked Questions ............................................................................................. 103
A.1 FAQs ....................................................................................................................... 103
B Detailed Hardware Driver Installation Guide ........................................................................ 107
B.1 eZ430-Chronos RF Access Point ...................................................................................... 107
B.2 eZ430-RF Debug Interface ............................................................................................. 111
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List of Figures
1-1. eZ430-Chronos ............................................................................................................ 11
2-1. eZ430-Chronos Watch Push Buttons................................................................................... 13
2-2. Overview eZ430-Chronos LCD .......................................................................................... 13
2-3. eZ430-Chronos Feature Overview and Menu Structure ............................................................. 15
2-4. eZ430-Chronos Control Center.......................................................................................... 17
2-5. eZ430-Chronos Control Center With Acceleration Data ............................................................. 18
3-1. eZ430-Chronos Feature Overview and Menu Structure ............................................................. 22
3-2. eZ430-Chronos Control Center.......................................................................................... 31
3-3. eZ430-Chronos Control Center With Acceleration Data ............................................................. 32
3-4. eZ430-Chronos Control Center With PPT Control .................................................................... 33
3-5. eZ430-Chronos Control Center Key Configuration ................................................................... 34
3-6. eZ430-Chronos Control Center Sync ................................................................................... 35
3-7. eZ430-Chronos Control Center Heart Rate Simulator................................................................ 36
3-8. eZ430-Chronos Control Center Wireless Update ..................................................................... 38
3-9. eZ430-Chronos Data Logger Feature Overview and Menu Structure.............................................. 40
3-10. eZ430-Chronos Data Logger ............................................................................................ 43
3-11. eZ430-Chronos Control Center Wireless Update ..................................................................... 45
3-12. Chronos-to-Chronos Communication Flowchart ...................................................................... 47
3-13. eZ430-Chronos Software Flowchart .................................................................................... 49
3-14. Flow Chart of Wireless Updater on Access Point ..................................................................... 51
3-15. Flow Chart of Flash Based Wireless Updater on eZ430-Chronos Watch Module................................ 52
3-16. eZ430-Chronos RF Access Point Connection to CC Debugger .................................................... 53
3-17. SmartRF Flash Programmer ............................................................................................. 54
4-1. Removing Watch Module from Housing................................................................................ 63
4-2. Removing Watch Battery ................................................................................................. 64
4-3. eZ430-Chronos Watch Module Attached to eZ430-RF Debug Interface........................................... 65
4-4. eZ430-Chronos Watch Module Insertion Into Housing ............................................................... 65
4-5. Metal Strips of Watch Housing and Buttons of Housing ............................................................. 66
4-6. Push Metal Strips Inward................................................................................................. 66
4-7. eZ430-Chronos Watch Block Diagram ................................................................................. 67
4-8. eZ430-Chronos Watch Module Front ................................................................................... 67
4-9. eZ430-Chronos Watch Module Back ................................................................................... 68
4-10. eZ430-Chronos RF Access Point ....................................................................................... 69
4-11. eZ430-Chronos RF Access Point Connection to CC Debugger .................................................... 69
4-12. eZ430-Chronos Debug Interface ........................................................................................ 70
4-13. eZ430-Chronos-433 Watch, Schematics............................................................................... 71
4-14. eZ430-Chronos-433 Watch, PCB Components on Top Layer ...................................................... 72
4-15. eZ430-Chronos-433 Watch, Layout Top Layer (LCD Side) ......................................................... 73
4-16. eZ430-Chronos-433 Watch, Layout Second Layer ................................................................... 74
4-17. eZ430-Chronos-433 Watch, Layout Third Layer ...................................................................... 75
4-18. eZ430-Chronos-433, Layout Bottom Layer (Battery Side)........................................................... 76
4-19. eZ430-Chronos-868 and -915 Watch, Schematics ................................................................... 79
4-20. eZ430-Chronos-868 and -915 Watch, PCB Components on Top Layer........................................... 80
4-21. eZ430-Chronos-868 and -915 Watch, Layout Top Layer (LCD Side) .............................................. 81
4-22. eZ430-Chronos-868 and -915 Watch, Layout 2nd Layer ............................................................ 82
4-23. eZ430-Chronos-868 and -915 Watch, Layout 3rd Layer............................................................. 83
4-24. eZ430-Chronos-868 and -915 Watch, Layout Bottom Layer (Battery Side)....................................... 84
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4-25. LCD Segment Map........................................................................................................ 87
4-26. LCD Pinout ................................................................................................................. 88
4-27. eZ430-Chronos-433 RF Access Point, Schematics .................................................................. 89
4-28. eZ430-Chronos-433 RF Access Point, PCB Components on Top Layer.......................................... 90
4-29. eZ430-Chronos-433 RF Access Point, Layout Top Layer ........................................................... 91
4-30. eZ430-Chronos-433 RF Access Point, Layout Bottom Layer ....................................................... 92
4-31. eZ430-Chronos-868 and -915 RF Access Point, Schematics....................................................... 94
4-32. eZ430-Chronos-868 and -915 RF Access Point, PCB Components on Top Layer .............................. 95
4-33. eZ430-Chronos-868 and -915 RF Access Point, Layout Top Layer................................................ 96
4-34. eZ430-Chronos-868 and -915 RF Access Point, Layout Bottom Layer............................................ 97
4-35. USB Debug Interface, Schematic...................................................................................... 100
4-36. USB Debug Interface, Schematic...................................................................................... 101
4-37. USB Debug Interface, PCB Components on Top Layer............................................................ 102
4-38. USB Debug Interface, PCB Components on Bottom Layer ........................................................ 102
4-39. USB Debug Interface, Layout Top Layer ............................................................................. 102
4-40. USB Debug Interface, Layout Bottom Layer ......................................................................... 102
B-1. Device Driver installation Wizard for the Access Point ............................................................. 107
B-2. Successful Driver Installation for Access Point ...................................................................... 108
B-3. Access Point Detection.................................................................................................. 108
B-4. Windows Found New Hardware Wizard .............................................................................. 109
B-5. Automatic Driver installation............................................................................................ 109
B-6. Windows Uncertified Driver Installation Warning .................................................................... 110
B-7. Access Point in Windows Device Manager........................................................................... 110
B-8. CC1111 Port Settings ................................................................................................... 111
B-9. eZ430-RF Windows Driver Installation................................................................................ 111
B-10. eZ430-RF in Windows Device Manager as HID and COM Port Devices ........................................ 112
6
List of Figures SLAU292D–November 2009–Revised March 2011
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List of Tables
4-1. Estimated Battery Life (Sports Watch Software) ...................................................................... 68
4-2. eZ430-Chronos-433 Watch, BOM List.................................................................................. 77
4-3. eZ430-Chronos-868 and -915 Watch, BOM List ...................................................................... 85
4-4. eZ430-Chronos-433 Access Point, BOM List.......................................................................... 93
4-5. eZ430-Chronos-868 Access Point, BOM List.......................................................................... 98
4-6. eZ430-Chronos-915 Access Point, BOM List.......................................................................... 99
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SLAU292D–November 2009–Revised March 2011 List of Tables
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© 2009–2011, Texas Instruments Incorporated
SimpliciTI, MSP430, eZ430-Chronos, Code Composer Studio are trademarks of Texas Instruments.
BlueRobin is a trademark of BM innovations GmbH.
IAR Embedded Workbench, KickStart are trademarks of IAR Systems.
Linux is a registered trademark of Linus Torvalds.
Windows, PowerPoint are registered trademarks of Microsoft Corporation.
All other trademarks are the property of their respective owners.
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Preface
SLAU292D–November 2009–Revised March 2011
Read This First
If You Need Assistance
If you have any feedback or questions, support for the MSP430™ microcontrollers and the
eZ430-Chronos™ software development tool is provided by the Texas Instruments Product Information
Center (PIC) (see support.ti.com), the TI E2E Forum
(http://e2e.ti.com/support/microcontrollers/msp43016-bit_ultra-low_power_mcus/f/166.aspx), and the
eZ430-Chronos wiki at www.ti.com/chronoswiki. Additional device-specific information can be found on the
MSP430 web site, www.ti.com/msp430.
Related Documentation from Texas Instruments
The primary sources of MSP430 information are the device-specific data sheets and user's guides. The
most up-to-date versions of the user's guide documents available at the time of production have been
provided on the CD-ROM included with this tool. However, the most current information is found at
www.ti.com/msp430.
Information specific to the eZ430-Chronos development tool can be found at www.ti.com/chronos.
MSP430 device and IDE user's guides may be accessed on the included CD-ROM under the user's
guides section. The IDE user's guides include detailed information on setting up a project for the MSP430
using Code Composer Studio™ integrated development environment (IDE) (SLAU157) and the IAR
Embedded Workbench™ IDE (SLAU138).
FCC Warning
This equipment is intended for use in a laboratory test environment only. It generates, uses, and can
radiate radio frequency energy and has not been tested for compliance with the limits of computing
devices pursuant to subpart J of part 15 of FCC rules, which are designed to provide reasonable
protection against radio frequency interference. Operation of this equipment in other environments may
cause interference with radio communications, in which case, the user is required to take whatever
measures may be required to correct this interference his own expense.
Export Control Regulations
This development kit is subject to the export / import control regulations of the United States per the
harmonization code: ECCN 5A002A1A TSPA. Note that it may also be subject to export
control policies of local authorities.
Patents
German utility model and patent pending.
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Chapter 1
SLAU292D–November 2009–Revised March 2011
eZ430-Chronos™ Overview
1.1 Overview
The eZ430-Chronos software development tool is a highly integrated, wearable, wireless development
system that is based on the CC430F6137. It may be used as a reference platform for watch systems, a
personal display for personal area networks, or as a wireless sensor node for remote data collection.
Based on the CC430F6137 sub-1-GHz RF SoC, the eZ430-Chronos is a complete development system
featuring a 96-segment LCD display, an integrated pressure sensor, and a three-axis accelerometer for
motion sensitive control. The integrated wireless interface allows the eZ430-Chronos to act as a central
hub for nearby wireless sensors such as pedometers and heart-rate monitors. The eZ430-Chronos offers
temperature and battery voltage measurement and is complete with a USB-based CC1111 wireless
interface to a PC.
The eZ430-Chronos watch may be disassembled to be reprogrammed with custom applications and
includes an eZ430 USB programming interface.
eZ430-Chronos Features
• Fully functional sports watch based on the CC430F6137, an MSP430™ microcontroller with integrated
sub-1-GHz wireless transceiver
• Watch can be reprogrammed for custom wireless applications
• Highly integrated watch includes on-board three-axis accelerometer, pressure sensor, temperature
sensor, and battery voltage sensor
• 96-segment LCD display driven directly by the CC430 microcontroller
• Can be paired wirelessly with heart-rate monitors, pedometers, or other devices based on RF
transceivers such as the CC430 or CC11xx devices
• Includes an eZ430-RF USB emulator that connects the eZ430-Chronos to a PC for real-time in-system
programming and debugging.
Figure 1-1. eZ430-Chronos
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Kit Contents
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1.2 Kit Contents
• One eZ430-Chronos watch (battery included)
• One eZ430-RF USB debugging interface
• One CC1111 USB RF access point
• One mini Phillips screwdriver
• Two spare screws
• One MSP430™ development tool CD containing documentation and development software
– eZ430-Chronos™ Windows® PC-Software and Source Code SLAC341
– eZ430-Chronos™ Linux® PC-Software and Source Code SLAC388
– eZ430-Chronos™ Development Tool User's Guide SLAU292
– eZ430-RF2500 Development Tool User's Guide SLAU227
– CC430 Family User's Guide SLAU259
– Code Composer Studio™ v4.2 Core Edition CCS Mediawiki
– Code Composer Studio™ v4.2 User's Guide for MSP430 SLAU157
– IAR Embedded Workbench™ KickStart™ SLAC050
– IAR Embedded Workbench™ User's Guide for MSP430 SLAU138
NOTE: For the latest software and documentation, visit www.ti.com/chronos or
www.ti.com/chronoswiki.
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Chapter 2
SLAU292D–November 2009–Revised March 2011
Getting Started
2.1 Using the eZ430-Chronos Watch Stand Alone
For first time use, remove the eZ430-Chronos watch from box and press any button twice to wake the
watch from sleep mode (after the first button press, the LCD displays the same content as shown on the
box of the kit; after the second button press, the watch starts full operation).
NOTE: For the next steps it is important to understand the eZ430-Chronos user concept. The top
and bottom LCD lines can be controlled individually by pushing the buttons on the left side.
The buttons on the right side are used to select or activate secondary functions. Detailed
instructions are available in Section 3.2.
Figure 2-2. Overview eZ430-Chronos LCD
Figure 2-1. eZ430-Chronos Watch Push Buttons
2.1.1 Setting the Time
1. Push the "*" button until the time is displayed in the top LCD line.
2. Hold "*" for three seconds until the time disappears and "12H" or "24H" is shown on the LCD.
3. Select 12H/24H modes by pushing the "UP" or "DOWN" buttons.
4. Press "#" to continue with the time adjustment.
5. Set the hours by pushing the "UP" or "DOWN" button.
6. Press "#" to continue with the minute adjustment.
7. Set the minutes by pushing the "UP" or "DOWN" button.
8. Press "#" to continue with the second adjustment.
9. Set the seconds by pushing the "UP" or "DOWN" button.
10. Press "*" to confirm the settings and go back to normal operation, or press "#" to start over with step 2.
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NOTE: If no button is pushed for more than 30 seconds, the previous settings are restored.
Alternatively, the time and date may be set wirelessly using the eZ430-Chronos Control
Center (see Section 3.3.3).
2.1.2 Setting the Date
1. Push the "#" button until the date is displayed in the bottom LCD line.
2. Hold "#" for three seconds until the year flashes on the bottom LCD line.
3. Set the year by pushing the "UP" or "DOWN" button.
4. Press "#" to continue with the month adjustment.
5. Set the month by pushing the "UP" or "DOWN" button.
6. Press "#" to continue with the day adjustment.
7. Set the day by pushing the "UP" or "DOWN" button.
8. Press "*" to confirm the settings and go back to normal operation, or press "#" to start over with step 3.
NOTE: If no button is pushed for more than 30 seconds, the previous settings are restored.
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Using the eZ430-Chronos Watch Stand Alone
2.1.3 Feature Overview and Menu Structure
Figure 2-3 shows all modes and secondary functions. A detailed description of the features can be found
in Section 3.2.
Figure 2-3. eZ430-Chronos Feature Overview and Menu Structure
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Install Demo Application, Drivers and Firmware
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2.2 Install Demo Application, Drivers and Firmware
The eZ430-Chronos PC software supports Windows
®
and Linux
®
(Ubuntu 9.10) operating systems.
Download the latest eZ430-Chronos Software and Source Code Installer (SLAC341) for Windows and
(SLAC388) for Linux from the eZ430-Chronos web page at www.ti.com/chronos or open it from the
included CD.
2.2.1 Windows® Installation
1. Unzip the archive and run Chronos-Setup.exe.
2. Respond to the prompts to install the software. During the installation a separate window opens for the
Windows driver installation. Accept the driver installation.
NOTE: The eZ430-Chronos access point driver may not be certified by Microsoft. Therefore,
Windows may generate a warning. Allow the driver installation to continue.
3. When installation finishes, connect the eZ430-Chronos RF USB access point to the PC and follow the
Windows driver installation (see Section 2.3).
4. If prompted for the driver for the TI CC1111 Low-Power RF to USB CDC Serial Port, allow Windows to
'Install the software automatically'. This can be done only if the eZ430-Chronos PC Software package
has already been installed.
5. Open the eZ430-Chronos Control Center program. A shortcut is available on the Desktop and the Start
Menu under Programs > Texas Instruments > eZ430-Chronos > eZ430-Chronos Control Center.
For a detailed driver installation, see Appendix B.
2.2.2 Linux® Installation
The eZ430-Chronos PC software for Linux requires TCL/Tk. If the Linux distribution does not already
include TCL/Tk yet, install both with the apt-get command:
sudo apt-get install tcl8.5
sudo apt-get install tk8.5
To generate keyboard events and mouse clicks through the watch buttons, xdotool is required. Install with
the apt-get command:
sudo apt-get install xdotool
The PC now has the infrastructure for the eZ430-Chronos PC Software. Continue with the eZ430-Chronos
installation:
1. Unzip the archive and run Chronos-Setup.
2. Respond to the prompts to install the software.
3. Insert the eZ430-Chronos RF USB access point to the PC.
4. Check the /dev directory for new entry /dev/ttyACMx, where x specifies the number of the port.
5. Set the COM variable in eZ430-Chronos_CC_1_2.tcl and eZ430-Chronos_Datalogger_1_2.tcl if the
USB RF access point is not mounted as /dev/ttyACM0
6. Set script files to executable: chmod u+x ./eZ430-Chronos_CC_1_2.tcl and chmod u+x
./eZ430-Chronos_Datalogger_1_2.tcl
7. Launch the script from terminal ./eZ430-Chronos_CC_1_2.tcl
NOTE: Linux is supported by the eZ430-Chronos Control Center and eZ430-Chronos Data Logger
PC applications. The eZ430-Chronos software package also contains all source code for the
watch module and access point, which are provided for Code Composer Studio and the IAR
Embedded Workbench. Both IDEs are currently only available for Windows. CrossWorks
from Rowley Associates supports Linux and MacOS but requires manual project setup.
MSPGCC may be used for Linux as well.
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Using the eZ430-Chronos Watch With a PC
2.3 Using the eZ430-Chronos Watch With a PC
1. The Control Center provides a variety of demos. A detailed description can be found in Section 3.3.
The following sections describe only how to use the eZ430-Chronos watch to control the mouse
pointer on the PC and to use it to control PowerPoint
®
presentation software.
Figure 2-4. eZ430-Chronos Control Center
2.3.1 Transmission of Acceleration Data and Button Pushes
1. Select "SimpliciTI Acc/PPT" tab.
2. Click on "Start Access Point" to start PC. The control center status line displays "Access point started.
Now start watch in ACC, PPT or synch mode" when the PC is ready
3. Select "ACC" mode in the bottom LCD line of the eZ430-Chronos watch and active the data
transmission by pressing the "DOWN" button. The watch connects to the PC (this may take a few
seconds) and starts transmitting 3-Axis acceleration values
4. Once connected, the Control Center status bar reports Receiving data from acceleration sensor and
the values according to the axis. The graphs display the acceleration data of the watch for each axis.
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Figure 2-5. eZ430-Chronos Control Center With Acceleration Data
2.3.1.1 PC Mouse Control
1. Click on "Mouse On (M)" to control the PC mouse pointer with the eZ430-Chronos watch. Hold the
watch with its display facing up. The mouse pointer moves vertically (x-axis in Control Center) when
tilting the watch forward/backward and moves vertically (y-axis in Control Center) when tilting the
watch left/right. Mouse clicks are possible as well:
• Left single click: "*" button
• Left double click: "#" button
• Right click: "UP" button
2. Mouse control can be calibrated to set a point of zero acceleration (that is, no pointer movement) by
selecting "Calibration (C)". It may be disabled by clicking on "Mouse Off (M)" or by pushing "M" on the
PC keyboard.
NOTE: Holding buttons (for example, for drag and drop) is not supported.
3. Turn the demo off by pushing the "DOWN" button on the eZ430-Chronos watch and clicking "Stop
Access Point" in the PC application
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Using the eZ430-Chronos Watch With a PC
2.3.1.2 PowerPoint Control
The Control Center allows the user to map button pushes on the watch into keystrokes on the PC. The
default setting is PowerPoint control, which allows switching slides forward/backward and to start the slide
show.
1. Select "SimpliciTI Acc/PPT tab.
2. Click on "Start Access Point" to start linking. The control center status line displays "Access point
started".
3. Select "PPt" mode in the bottom LCD line of the eZ430-Chronos watch and activate the RF link by
pressing the "DOWN" button. The watch connects to the PC, this may take a moment.
4. Once connected, the Control Center status bar show when a button is pushed.
5. Open a PowerPoint presentation. Press "#" to go to presentation mode (slide show - F5), "UP" to
switch to next slide (right arrow key) and "*" (left arrow key) to switch to previous slide.
NOTE: To avoid bouncing of the watch buttons, a delay of 0.6 s between transmissions is
implemented; that is, if a button is pressed twice within less than 0.6, it is translated into one
keystroke only.
The eZ430-Chronos Control Center allows to the user to define other short cuts; for example,
to control a music or video player. See Section 3.3.2 for details.
For troubleshooting tips, see Appendix A, Frequently Asked Questions.
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Chapter 3
SLAU292D–November 2009–Revised March 2011
eZ430-Chronos Software
3.1 Overview
This chapter describes the software that is included in the eZ430-Chronos kit. Different projects and PC
user interfaces are available:
• eZ430-Chronos sports watch software
• Control Center PC software for Windows and Linux
• eZ430-Chronos watch data logger
• Data logger PC software for Windows and Linux
Many features of the eZ430-Chronos kit are based on TI's SimpliciTI protocol stack. However, the
eZ430-Chronos watch can also be used as a heart-rate monitor. For this purpose, the BlueRobin™
ultra-low-power protocol stack can be used.
(1)
is implemented on the watch and USB access point. The
protocol stacks are selected automatically, depending on which feature is used.
3.2 eZ430-Chronos Sports Watch Software
The sports watch firmware (default) provides a broad set of features. Besides basic watch functions such
as time, date, alarm and stopwatch advanced sports watch features such as an altimeter, heart-rate
monitor*, calorie*, vertical speed* and distance information* are available. The internal accelerometer
provides acceleration data on the watch LCD and allows control of a PC by transferring the sensor's
measurements. The watch can also be used to control PowerPoint or other PC software with its buttons.
User concept:
The different features are either available in the top or bottom LCD line.
There are three user modes available: Modes such as Time or Date, Secondary Functions that allow
activation and deactivation of features (for example, to start or stop the stopwatch or to enable or disable
the alarm), and Set Functions that allow changing settings (for example, setting the time or date or
resetting the stopwatch) (see Figure 3-1).
• Modes: The different modes can be selected by using the button left of the corresponding LCD line.
Examples:
The "*" button allows selecting the top line mode
The "#" button allows changing the bottom line modes
• Secondary Functions: Secondary functions provide an extension to the selected mode and are
available through the button to the right of the corresponding LCD line.
Examples:
Toggling between time (HH:MM) and seconds (.SS) in time mode: push "UP" button to toggle between
modes.
Start/Stop in stopwatch mode: push "DOWN" to start or stop stopwatch
• Set Functions: Time, date and other options can be set by holding the button left of the corresponding
LCD line.
Examples:
Setting the time (shown in top LCD line): hold the "*" button to enter the time set menu.
Resetting the stopwatch (shown in bottom LCD line): hold the "#" button to reset.
(1)
BlueRobin is available from BM wireless at www.bmwireless.com.
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An exception to the above modes is the Keylock. It allows locking the buttons to avoid accidental change
or activation of modes (for example, when the watch is carried in a suitcase or bag). The keylock may be
enabled or disabled by holding "#" and "DOWN" simultaneously for three seconds. The LCD shows "Loct"
when the keylock is active and "oPEn" when it is inactive.
Note: Heart rate can be generated by eZ430-Chronos Control Center. Optional heart-rate monitor is available
from BM innovations at www.bm-innovations.com/chronos.
Figure 3-1. eZ430-Chronos Feature Overview and Menu Structure
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3.2.1 Detailed Feature Overview - Modes Using the Top LCD Line
3.2.1.1 Time Mode
Press "*" until the time mode is active (see Figure 3-1 for details).
Secondary function: Seconds. Press "UP" to activate the alternative display. To return to the HH:MM
mode, push the "UP" button again.
Set function: Setting the time.
1. Hold "*" for three seconds until the time disappears and "12H" or "24H" is shown on the LCD
2. Select 12H/24H modes by pushing the "UP" or "DOWN" buttons
3. Press "#" to continue with the time adjustment
4. Set the hours by pushing the "UP" or "DOWN" button
5. Press "#" to continue with the minutes adjustment
6. Set the minutes by pushing the "UP" or "DOWN" button
7. Press "#" to continue with the second adjustment
8. Set the seconds by pushing the "UP" or "DOWN" button
9. Press "*" to confirm the settings and go back to normal operation, or press "#" to start over with step 2
NOTE: If no button is pressed for more than 30 seconds, the previous settings are restored.
3.2.1.2 Alarm Mode
Press "*" until the alarm mode is active (see Figure 3-1 for details). The alarm mode can be distinguished
from time mode by an alarm symbol (bell) that flashes when the alarm time is displayed.
Secondary function: Alarm on/off. Press "UP" to enable or disable the alarm. The settings are confirmed
by "on" and "off" in the top LCD line. The bell icon stays on in all other modes when the alarm is enabled
and does not appear when the alarm is disabled.
Set function: Setting the alarm time.
1. Hold "*" for three seconds until the alarm time hour starts to flash
2. Set the hours by pushing the "UP" or "DOWN" button
3. Press "#" to continue with the minutes adjustment
4. Set the minutes by pushing the "UP" or "DOWN" button
5. Press "*" to confirm the settings and go back to normal operation, or press "#" to start over with step 2
NOTE: If no button is pressed for more than 30 seconds, the previous settings are restored.
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3.2.1.3 Temperature Mode
Press "*" until the temperature mode is active (see Figure 3-1 for details). The temperature can be shown
in degree Celsius or Fahrenheit. The selection depends on the time mode setting. In 12H mode, the
temperature is shown in degrees Fahrenheit, in 24H mode in degrees Celsius. The temperature is
measured in 1-second intervals. Positive temperatures are marked with a small arrow pointing up in the
upper LCD line, left of the temperature. An arrow pointing down indicated temperatures below zero.
Secondary function: None
Set function: Temperature calibration (can also calibrated from PC software in Sync mode, see
Section 3.3).
1. Hold "*" for three seconds until the temperature starts to flash
2. Set the temperatures by pushing the "UP" or "DOWN" button
3. Press "*" to confirm the settings
NOTE: The temperature is measured inside the watch right inside the CC430 device. When the
watch is worn, the temperature of the watch may be different due to the body heat. For
accurate temperature measurements, do not wear the watch and allow a sufficient amount of
time for the watch to adapt to the surrounding temperature.
3.2.1.4 Altimeter Mode
Press "*" until the altimeter alarm mode is active (see Figure 3-1 for details). The altitude can be shown in
metric or imperial units. In 12H time mode, the altitude is shown in imperial, in 24H time mode in metric
units. The altitude is measured only when the altimeter mode is active, and measurement happen in
intervals of 1 second.
The implementation of the altitude algorithm is done according to the VTI's application report AN33 without
any additional low-power optimizations. Therefore, the altimeter is active only in altimeter mode. In
addition, a timeout deactivates the measurements after 60 minutes. Altitudes above sea level are
indicated with a small arrow pointing up in the upper LCD line, left of the altitude. Altitudes below sea level
are indicated with a small arrow pointing down.
The altimeter algorithm is based on the air pressure and the ambient temperature. Therefore, changes in
air pressure affect the altitude accuracy. For precise measurements, the altimeter needs to be calibrated
manually upon weather changes.
NOTE: For most accurate altitude measurement, the watch needs to be fully exposed to the
ambient temperature (that is, the watch should not be worn directly on the arm), because
temperature is part of the altitude measurement (see Section 3.2.1.3).
Secondary function: Re-activate altimeter after timeout
Set function: Altitude calibration
1. Hold "*" for three seconds until the altitude starts to flash
2. Set the altitude by pushing the "UP" or "DOWN" button
3. Press "*" to confirm the settings.
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3.2.1.5 Heart Rate Mode - RF
(2)
Press "*" until the heart icon appears on the display that is heart rate mode is active (see Figure 3-1 for
details). When this mode is active, heart rate is shown and burned calories are determined (additional
settings must be made for first time use, see Section 3.2.2.7). For information on how to use the chest
belt, see to the documentation included with the heart-rate monitor device.
NOTE: This mode requires a heart-rate monitor (chest belt) that is not included in this kit, but
available from BM innovations, Germany (see www.bm-innovations.com/chronos). However,
a heart rate can be simulated without a chest belt by the eZ430-Chronos Control Center, see
Section 3.3 for details.
While almost all other eZ430-Chronos functions are based on TI's SimpliciTI protocol, the
heart-rate monitoring uses BlueRobin, an ultra-low-power low-data-rate wireless
communication protocol from BM innovations.
Secondary function: Heart rate display on/off. Press "UP" to enable/disable the heart-rate monitoring.
Once a connection is established, the heart rate is shown on the top LCD line
Set function: None
3.2.1.6 Speed Mode - RF
(3)
Press "*" until the "mi/h" or "km/h" icon is shown on the display; that is, the speed mode is active (see
Figure 3-1). Your running speed is shown on the LCD top line.
NOTE: This mode requires a heart-rate monitor (chest belt) which includes an accelerometer to
determine running speed. Visit BM innovations at www.bm-innovations.com/chronos for
available additions. However, speed can be simulated without a chest belt by the
eZ430-Chronos Control Center, see Section 3.3.4 for details.
While almost all other eZ430-Chronos functions are based on TI's SimpliciTI protocol, the
speed mode uses BlueRobin, an ultra-low-power low-data-rate wireless communication
protocol from BM innovations.
Secondary function: None
Set function: None
3.2.1.7 Tilt Mode
Press "*" until the tilt mode is active (see Figure 3-1). The acceleration is shown in G (9.81 m/s
2
) for all
three axes. After entering the tilt mode, the y-axis acceleration is shown by default, and the z-axis or
x-axis can be selected. Positive acceleration values are marked with a small arrow pointing up in the top
LCD line, left of the acceleration. Negative acceleration values are marked with a small arrow pointing
down. After 60 minutes, a timeout deactivates the measurements.
Secondary function: Select axis. The default is y-axis, followed by z-axis and x-axis.
Set function: None
(2)
Additional accessory or eZ430-Chronos Control Center heart rate simulation required.
(3)
Additional accessory or eZ430-Chronos Control Center heart rate simulation required.
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3.2.2 Detailed Feature Overview - Modes Using the Bottom LCD Line
3.2.2.1 Date Mode
Press "#" until the date mode is active (see Figure 3-1).
Secondary function: Year. Press "DOWN" to activate the alternative display. To return to day and month,
push the "DOWN" button again.
Set function: Setting the date
1. Push the "#" button until the date is displayed in the bottom LCD line.
2. Hold "#" for three seconds until the year flashes on the bottom LCD line.
3. Set the year by pushing the "UP" or "DOWN" button.
4. Press "#" to continue with the month adjustment.
5. Set the month by pushing the "UP" or "DOWN" button.
6. Press "#" to continue with the day adjustment.
7. Set the day by pushing the "UP" or "DOWN" button. Press "*" to confirm the settings and go back to
normal operation, or press "#" to start over with step 3.
NOTE: If no key is pressed for more than 30 seconds, the previous settings are restored.
3.2.2.2 Stopwatch Mode
Press "#" until the stopwatch mode is active (see Figure 3-1). It supports up time intervals up to 19 hours,
59 minutes and 59 seconds. For the first 20 minutes, the resolution is 1/100 second, after 20 minutes the
resolution changes to 1 second.
Secondary function: Start/stop. Press "DOWN" to start or stop the stopwatch
Set function: Reset stopwatch.
Hold the "#" button until the stopwatch is set to zero
3.2.2.3 Battery Voltage Mode
Press "#" until the battery voltage is shown (see Figure 3-1). It is updated once per minute.
Secondary function: None
Set function: None
3.2.2.4 Acceleration Mode - RF
This mode requires the eZ430-Chronos Control Center PC software.
Press "#" until "ACC" is shown on the LCD (see Figure 3-1). This mode provide a continuous transmission
of 3D acceleration from the watch using TI's SimpliciTI protocol stack. In addition, the watch transmits a
signal when the "#", "*" or "UP" buttons are pushed.
Secondary function: Start/stop transmission of acceleration data. Pushing "DOWN" starts/stops the
pairing process or stop the transmission (the access point on the PC must be started first from the
eZ430-Chronos Control Center (see Section 3.3.1). The RF icon on the LCD flashes when the radio is
active. If the pairing fails, it disappears. The top LCD line shows the time during the pairing and until the
data transmission is disabled.
Set function: None
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3.2.2.5 PowerPoint Mode - RF
This mode requires the eZ430-Chronos Control Center PC software.
Press "#" until "PPt" is shown (see Figure 3-1). This mode allows control of a PowerPoint presentation by
translating button pushes on the watch into keystrokes of the PC keyboard. No acceleration or other data
is transmitted. The default settings are:
• "#" - Go to presentation mode (F5)
• "*" - Previous slide (Left)
• "UP" - Next slide (Right)
The Control Center allows user defined key settings (including combinations) - see Section 3.3.2.
Secondary function: Start/stop transmission of button pushes. Pushing "DOWN" starts/stops the pairing
process or stops the transmission (the access point on the PC must be started from the eZ430-Chronos
Control Center (see Section 3.3.1). The RF icon on the LCD flashes when the radio is active; if pairing
fails, the icon disappears. The top LCD line shows the time during the pairing until the data transmission is
disabled.
Set function: None
3.2.2.6 Sync Mode - RF
This mode requires the eZ430-Chronos Control Center PC software.
Press "#" until "SYnC" is shown (see Figure 3-1). This mode allows doing a variety of watch settings
conveniently from the eZ430-Chronos Control Center PC software over the air (see Section 3.3.3).
• Time settings
• Date settings
• Altitude calibration
• Temperature calibration
Secondary function: Start/stop link for Sync Mode. Pushing "DOWN" starts/stops the pairing process or
stop the link (the access point on the PC must be started first from the eZ430-Chronos Control Center
(see Section 3.3.3). The RF icon on the LCD flashes when the radio is active. If the pairing fails, it
disappears. After a successfully received message, the LCD shows "DONE". The top LCD line is off
during the pairing and until the Sync Mode is disabled.
Set function: None
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3.2.2.7 Calorie/Distance Mode - RF
(4)
Press "#" until the "kcal" icon appears (see Figure 3-1). This mode shows the amount of calories that were
burned while exercising, if the optional chest belt is used and heart rate mode is active. This mode also
provides the distance (for example, when running) if a chest belt with build-in accelerometer is used. For
accurate calorie determination, users need to set their sex and weight.
Secondary function: Distance. Press "DOWN" to activate the alternative display. To return to Calorie
Mode, push the "DOWN" button again.
Set function: (Re-)setting calories and setting user weight and sex.
1. Push the "#" button until the calories is displayed in the bottom LCD line
2. Hold "#" for three seconds until the calorie value flashes on the bottom LCD line
3. (Re-)set the calories by pushing "UP" or "DOWN"
4. Press "#" to continue with the user sex adjustment
5. Set the user sex by pushing "UP" or "DOWN"
6. Press "#" to continue with user weight adjustment
7. Set the user weight (lb in 12H time mode, kg in 24H time mode) by pushing "UP" or "DOWN"
8. Press "*" to confirm the settings and go back to normal operation, or press "#" to start over with step 3
NOTE: If no key is pressed for more than 30 seconds, the previous settings are restored.
3.2.2.8 Wireless Update - RF
This mode requires the eZ430-Chronos Control Center PC software.
Press "#" until the "rFbSL" is shown (see Figure 3-1). This mode allows updating the firmware of the
eZ430-Chronos watch wirelessly.
Secondary function: Start or restart the update process. Push "DOWN" once to switch to the
confirmation menu "CONF". Pushing "DOWN" again starts or restarts the update process (the wireless
update on the PC must be started from the eZ430-Chronos Control Center first (see Section 3.3.1)). At the
beginning of the update the LCD shows "rAM" for a few seconds. During this time, the updater software is
downloaded from the PC to the RAM of the CC430 on the watch. This program contains all memory write
and LCD routines. After this transfer is finished, the code is executed from RAM, and the download of the
actual firmware file is started. The LCD shows the progress in percent on the upper LCD line. After the
transfer is complete, a reset starts the software on the watch. See Section 3.6.4 for details.
NOTE: When the wireless update is activated on the watch, it returns to the main application only
with a reset, whether or not an update was performed. Time, data, alarm, and other
RAM-based data are lost.
(4)
Additional accessory or eZ430-Chronos Control Center heart rate simulation required.
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3.2.2.9 Chronos-to-Chronos (C2C) Mode
This mode requires two eZ430-Chronos watches.
This mode allows the bidirectional control of two watches using SimpliciTI, the low-power RF network
protocol. Press "#" until "C2C" is shown. Press "DOWN" in both watches to initiate the connection. Wait
until both watches show the message "FOUND". After that the system is ready to go.
1. "STAR" - Change menu (upper line)
2. "NUM" - Change menu (lower line)
3. "UP" - Change displayed Acc Axis (just for the acceleration menu)
To stop, press "DOWN" to close the connection.
Set function: None
NOTE: The standard code for Chronos (out of the box) does not have the Chronos-to-Chronos
communication feature. The reason for that is the limited size in the flash (32KB). The code
for production has a special test function that ensures that everything is working properly
before shipping. Because this function is used only during production, a #DEFINE is
available to remove it and free the space necessary for the Chronos-to-Chronos
communication. This define is in project.h.
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3.3 eZ430-Chronos Control Center PC Software
The eZ430-Chronos Control Center software provides several features demonstrating the wireless
capabilities of the kit on Windows and Linux operating systems. Different RF protocol stacks are
automatically selected for use, depending on the function. Available features:
• 3D acceleration graph with PC mouse control
• Wireless remote control / PowerPoint control
• Time, date, and calibration data synchronization tool
• Heart rate and speed simulator
• Wireless firmware update
NOTE: Connect the USB RF access point to the PC before launching the Control Center software.
For first time use, wait until Windows has finished the access point driver installation.
In case of problems on Windows PCs, check if the settings for the RF access point are
correct in the Windows Device Manager Start > Control Panel > System > Hardware >
Device Manager. The RF access point is listed under Ports (COM & LPT) as TI CC1111
Low-Power RF to USB CDC Serial Port. The port settings should be:
• Baud Rate: 115200
• Data bits: 8
• Parity: None
• Stop bits: 1
• Flow control: None
In case of problems on Linux PCs, ensure that the correct tty setting is specified. Check /dev
for the new tty device after plugging in the RF access point. If the RF access point is
assigned to a device other than ttyACM0, either remove the serial device that occupies this
slot (for example, a modem), or change the script file variable "com" in
eZ430-Chronos_CC_1_2.tcl located in /home/<user name>/Texas
Instruments/eZ430-Chronos/Control Center/eZ430-Chronos Control Center.
To launch the Control Center software on a Windows PC, shortcuts are available on the Desktop and in
the Start Menu under Programs > Texas Instruments > eZ430-Chronos > eZ430-Chronos Control Center.
To launch the Control Center software on a Linux PC, browse to /home/<user name>/Texas
Instruments/eZ430-Chronos/Control Center/eZ430-Chronos Control Center and run
eZ430-Chronos_CC_1_2.tcl.
The different features are grouped onto tabs of the Control Center window. The tabs also indicate which
radio protocol is used.
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Figure 3-2. eZ430-Chronos Control Center
3.3.1 SimpliciTI™ Acc/PPT Tab (Mouse and PowerPoint Control)
The SimpliciTI Acc / PPT tab support two different features. It may be used to display the acceleration
data transmitted by the watch, which can also be used to control the mouse pointer. It may also be used
to remotely control the PC with user-definable shortcuts such as PowerPoint control.
Pairing watch and PC:
1. Activate the pairing on the PC by clicking on "Start Access Point". The control center status line
displays "Access point started. Now start watch in acc, ppt or sync mode" when the PC is ready
2. Select "ACC" or "PPt" on the eZ430-Chronos watch by pushing the "#" button, depending on the
desired function - see detailed description in Section 3.3.1.1 or in Section 3.2.2.4.
3. Initiate pairing on the watch by pushing the "DOWN" button to activate the selected mode
After a short time, the link is established.
In "ACC" mode, the Control Center status bar shows:
"Receiving data from acceleration sensor X=... Y=... Z=...".
In "PPt" mode, the Control Center status bar reports which button is pushed ("#", "*", or "UP").
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3.3.1.1 Acc Mode
In this mode, the watch constantly transmits acceleration data to the PC. In addition, "#", "*" and "UP"
button pushes are transferred. The Control Center software shows the 3D acceleration in graphs.
Optionally, mouse control can be activated by clicking on "Mouse On (M)" or by pushing "M" on the
keyboard.
Once active, the PC mouse pointer can be controlled by tilting the watch. Hold the watch with its display
facing up. The mouse pointer moves vertically (x-axis in Control Center) when tilting the watch
forward/backward and move vertically (y-axis in Control Center) when tilting it left/right. Mouse clicks are
possible as well - see below. Mouse control can be calibrated (to set a point of zero acceleration that is no
pointer movement) by selecting "Calibration (C)". It may be disabled by clicking on "Mouse Off (M)" or by
pushing "M" on the PC keyboard.
• Left single click: "*" button
• Left double click: "#" button
• Right click: "UP" button
NOTE: Holding buttons (for example, to drag and drop) is not supported.
Turn the demo off by pushing the "DOWN" button on the eZ430-Chronos watch and clicking "Stop Access
Point" in the PC application.
Figure 3-3. eZ430-Chronos Control Center With Acceleration Data
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3.3.1.2 PPT Mode
This mode allows using the eZ430-Chronos watch as a simple PC remote control. Data is transmitted only
when either the "#", "*", or "UP" button is pushed. This information is mapped into keystrokes on the PC.
The default setting is PowerPoint control, and the buttons are mapped to:
• "#" to go to presentation mode (slide show - F5)
• "UP" to switch to next slide (right arrow key)
• "*" (left arrow key) to switch to previous slide
These settings can be changed to many other combinations; for example, such as controlling music
players or standard Windows functions (see Section 3.3.2 for details).
Figure 3-4. eZ430-Chronos Control Center With PPT Control
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3.3.2 Key Configuration Tab
This tab contains the key mapping for the eZ430-Chronos watch buttons "#", "*" and "UP". Besides a
single key selection (pull down menu for each button), also full combinations including "Shift", "Ctrl", "Alt"
and "Windows" can be user defined by ticking the corresponding option. Changes can be made whilst the
"PPT" mode is active. Configurations can be saved by clicking the "Save" button.
Predefined configurations are available in a pull down menu on top of the menu. Select configuration from
menu and clock "Load" to activate them.
Predefined key configurations:
• PowerPoint Control (eZ430-Chronos-CC.ini)
"*" = previous slide
"UP" = next slide
"#" = start presentation (F5)
• Windows Media Player (Media Player Control.ini)
"*" = previous song
"UP" = next song
"#" = start/pause
• iTunes (iTunes Control.ini)
"*" = previous song
"UP" = next song
"#" = start/pause
The key mapping may be changes while PPT mode is active.
Figure 3-5. eZ430-Chronos Control Center Key Configuration
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3.3.3 SimpliciTI™ Sync
The SimpliciTI Sync tab offers the possibility setting time/date of the watch including calibration data
conveniently.
Pairing watch and PC:
1. Activate the pairing on the PC by clicking on "Start Access Point". The Control Center status line
displays "Access point started. Now start watch in ACC, PPT or synch mode" when the PC is ready
2. Select "SYnC" on the eZ430-Chronos watch by pushing the "#" button.
3. Initiate pairing on the watch by pushing the "DOWN" button to activate the selected mode. After a short
time, the link is established.
Setting the watch:
1. Select metric or imperial units
2. Enter calibration data for the temperature and altitude OR read back the data from the watch by
clicking on "Read Watch"
3. Click "Copy System Time" to set watch according to read the PC system time
4. Click "Set Watch" to transfer data to watch
5. The watch shows "DONE"
6. Push the "DOWN" button on watch to end connection
Figure 3-6. eZ430-Chronos Control Center Sync
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3.3.4 BlueRobin™ Heart Rate Simulator
This mode simulates an active heart rate chest belt. Besides the heart rate it may also be used to transfer
speed and distance data from the PC to the eZ430-Chronos watch.
Pairing watch and PC:
1. Activate link on the PC by clicking on "Start Transmitter". The Control Center status line displays
"Transmitting heart rate (...bpm), speed (...km/h) and distance (...m)" when the PC is transmitting data.
The heart rate may be changed by the heart rate and speed sliders or by selecting "sweep" for
automatic heart rate and speed sweeping
2. Select heart rate mode (heart symbol is shown) by pushing the "*" button (see detailed description in
Section 3.2.1.5).
3. Start receiver on watch by pushing the "UP" button
4. After a short moment, the current heart rate is displayed
Speed can be selected by pushing the "*" button
Calories can be selected by pushing the "#" button
Distance can be selected by pushing the "DOWN" button in Calorie Mode (see Section 3.2.2.7).
5. The reception may be stopped by pushing "UP" while the heart rate is shown
Figure 3-7. eZ430-Chronos Control Center Heart Rate Simulator
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3.3.5 Wireless Update
This mode allows updating the firmware of the eZ430-Chronos watch wirelessly, without disassembling it.
Update procedure:
1. Select CC430 flash image (.txt file) by clicking on "Browse...". Example images for the sports watch
software and the data logger application are located for Windows in C:\Program Files\Texas
Instruments\eZ430-Chronos\Recovery\eZ430-Chronos Watch\Applications and for Linux in
/home/<user name>/Texas Instruments/eZ430-Chronos/Recovery/eZ430-Chronos Watch/Applications.
NOTE: Ensure selecting the correct version of the flash images. If the wrong frequency is selected,
no wireless communication is possible anymore. In that case, the watch must be updated
using the eZ430 debug interface.
Only transfer flash images to the watch, which allow invoking the updater software on the
watch.
The file to be downloaded to the watch must be in TI-TXT format to work with this update
procedure. This new firmware must reside within the main memory flash (0x8000 to
0xFFFF), otherwise the update procedure fails due to boundary checks on the watch side.
2. Activate the update mechanism on the PC by clicking on "Update eZ430-Chronos Watch". The Control
Center status line displays "Access point started. Now start watch in rFbSL mode" when the PC is
ready.
3. Select "rFbSL" on the eZ430-Chronos watch by pushing the "#" button
4. Initiate update by pushing the "DOWN" button
5. After a short moment, the update is started
At the beginning of the update the LCD shows "rAM" for a few seconds. During this time, the actual
updater software is downloaded from the PC to the RAM of the CC430 on the watch. This program
contains all memory write and LCD routines. After this transfer is finished, the code is executed from
RAM, and the download of the firmware file is started. The LCD shows the progress in percent on the
upper LCD line. After the transfer is complete, a reset starts the software on the watch (see
Section 3.6.4).
NOTE: If the update fails, it can be activated again by pushing the "DOWN" button again on the
eZ430-Chronos watch, given that the wireless update is active in the eZ430-Chronos Control
Center.
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Figure 3-8. eZ430-Chronos Control Center Wireless Update
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eZ430-Chronos Watch Data Logger
3.4 eZ430-Chronos Watch Data Logger
Besides the sports watch software, the eZ430-Chronos kit comes with an additional software project that
turns the watch into a data logger. Heart rate,
(5)
temperature, and altitude can be logged in user definable
intervals of 1 to 255 seconds. 8KB of flash memory is reserved for logging several hours up to days,
depending on the settings. The stored data can be transferred to a PC (in CSV format) and used for
further analysis. The data logger provides fewer features compared to the sports watch software as
memory is freed for data storage. Most importantly, no Set Functions are available (that is, the watch
cannot be set or calibrated standalone); however, this can be done conveniently by using the
eZ430-Chronos Data Logger PC software. The software project for CCS can be found in C:\Program
Files\Texas Instruments\eZ430-Chronos\Software Projects\CCS\Data Logger and for IAR in C:\Program
Files\Texas Instruments\eZ430-Chronos\Software Projects\IAR\Data Logger.
Available features:
• Time, Date
• Temperature
• Altitude
• Heart rate
• Sync
• Wireless firmware update
• Data logger
• Battery monitoring
NOTE: No Set Functions are available in this software. All settings can be done using the
eZ430-Chronos Data Logger PC software.
User concept:
The user concept and the modes remain the same as in the sports watch software except for the Set
Functions (see Section 2.1).
(5)
Heart rate can be generated by eZ430-Chronos Control Center. Optional heart-rate monitor is available from BM innovations at
www.bm-innovations.com/chronos.
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Figure 3-9. eZ430-Chronos Data Logger Feature Overview and Menu Structure
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Data Logger PC Software
3.4.1 Detailed Feature Overview
As all available modes remain the same in the Data Logger software, only the additions are described in
this section.
3.4.1.1 Data Logger Mode
The data logger mode can be selected by pushing the "*" button until the bottom LCD line shows "dLog". It
may be enabled/disabled by pushing the "DOWN" button. If the heart rate data logging is selected (see
Section 3.5 ) in data logger PC software, the heart-rate monitor is automatically enabled (the RF icon
flashes until linked to a heart-rate monitor). When active, the record icon on the LCD is on (see
Figure 1-1).
NOTE: Connect the USB RF access point to the PC before launching the Control Center software.
For first time use, wait until Windows has finished the access point driver installation.
In case of problems on Windows PCs, check if the settings for the RF access point are
correct in the Windows Device Manager Start > Control Panel > System > Hardware >
Device Manager. The RF access point is listed under Ports (COM & LPT) as TI CC1111
Low-Power RF to USB CDC Serial Port. The port settings should be:
• Baud Rate: 115200
• Data bits: 8
• Parity: None
• Stop bits: 1
• Flow control: None
In case of problems on Linux PCs, ensure that the correct tty setting is specified. Check /dev
for the new tty device after plugging in the RF access point. If the RF access point is
assigned to a device other than ttyACM0, either remove the serial device that occupies this
slot (for example, a modem), or change the script file variable "com" in
eZ430-Chronos_Datalogger_1_2.tcl located in /home/<user name>/Texas
Instruments/eZ430-Chronos/Control Center/eZ430-Chronos Data Logger.
To launch the Control Center software, shortcuts are available in the Start Menu under Programs >
Texas Instruments > eZ430-Chronos > eZ430-Chronos Data Logger.
3.5 Data Logger PC Software
The eZ430-Chronos data logger PC software allows reading out logged data from the watch. It can also
be used to set and calibrate the watch, as its set modes were removed to free up as much memory as
possible for data logging. Available features:
• Time, date and calibration data synchronization tool
• Read out of logged data
• Wireless firmware update
To launch the eZ430-Chronos Data Logger software on a Windows PC, shortcuts are available on the
Desktop and in the Start Menu under Programs > Texas Instruments > eZ430-Chronos > eZ430-Chronos
Data Logger.
To launch the eZ430-Chronos Data Logger software on a Linux PC, browse to /home/<user name>/Texas
Instruments/eZ430-Chronos/Control Center/eZ430-Chronos Data Logger and run
eZ430-Chronos_Datalogger_1_2.tcl.
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3.5.1 SimpliciTI Data Logger
The SimpliciTI Sync tab offers the possibility setting time/date of the watch including calibration data
besides reading out logged data.
Pairing watch and PC:
1. Activate the pairing on the PC by clicking on "Start Access Point". The eZ430-Chronos Data Logger
status line displays "Access point started. Now start watch in acc, ppt or sync mode" when the PC is
ready
2. Select "SYnC" on the eZ430-Chronos watch by pushing the "#" button (see detailed description in
Section 3.3.3).
3. Initiate pairing on the watch by pushing the "DOWN" button to activate the selected mode. After a short
time, the link is established
Setting the watch:
1. Select metric or imperial units.
2. Enter calibration data for the temperature and altitude OR read back the data from the watch by
clicking on "Read Watch"
3. Specify, which data should be logged
4. Define logging time interval (1 to 255 seconds), in which data is stored
5. Click "Copy System Time" to set watch according to read the PC's system time
6. Click "Set Watch" to transfer data to watch
7. The watch shows "DONE"
8. Push the "DOWN" button on watch to end connection
Reading out logged data:
1. Pair watch with PC in case not linked yet - see Pairing watch and PC above
2. Specify file name and location of log file
3. Click on "Download" to start data transfer
4. Push the "DOWN" button to stop connection when the transfer has finished.
The log file is stored in CSV format. Its content appears as one line per log. Each line starts with date,
time, heart rate, temperature, and altitude. Parameters which were not logged are set to zero (according
to settings in eZ430-Chronos Data Logger PC software).
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Figure 3-10. eZ430-Chronos Data Logger
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3.5.2 Wireless Update
This mode allows updating the firmware of the eZ430-Chronos watch wirelessly, without having to
disassemble the watch.
Update procedure:
1. Select CC430 flash image (.txt file) by clicking on "Browse...". Example images for the sports watch
software and the data logger application are located for Windows in C:\Program Files\Texas
Instruments\eZ430-Chronos\Recovery\eZ430-Chronos Watch\Applications and for Linux in
/home/<user name>/Texas Instruments/eZ430-Chronos/Recovery/eZ430-Chronos Watch/Applications.
NOTE: Ensure selecting the correct version of the flash images. If the wrong frequency is selected,
no wireless communication is possible anymore. In that case, the watch must be updated
using the eZ430 debug interface.
Only transfer flash images to the watch, which allow invoking the updater software on the
watch.
The file to be downloaded to the watch must be in TI-TXT format to work with this update
procedure. This new firmware must reside within the main memory flash (0x8000 to
0xFFFF), otherwise the update procedure fails due to boundary checks on the watch side.
2. Activate the update mechanism on the PC by clicking on "Update eZ430-Chronos Watch". The Control
Center status line displays "Access point started. Now start watch in rFbSL mode" when the PC is
ready.
3. Select "rFbSL" on the eZ430-Chronos watch by pushing the "#" button
4. Push once "DOWN" button to switch to confirmation menu
5. Push "DOWN" again to initiate update
6. After a short moment, the update is started
At the beginning of the update the LCD shows "rAM" for a few seconds. During this time, the actual
updater software is downloaded from the PC to the RAM of the CC430 on the watch. This program
contains all memory write and LCD routines. After this transfer is finished, the code is executed from
RAM, and the download of the firmware file is started. The LCD shows the progress in percent on the
upper LCD line. After the transfer is complete, a reset starts the software on the watch. See
Section 3.6.4 for details.
NOTE: If the update fails, it can be activated again by pushing the "DOWN" button again on the
eZ430-Chronos watch, given that the wireless update is active in the eZ430-Chronos Control
Center.
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Figure 3-11. eZ430-Chronos Control Center Wireless Update
3.6 eZ430-Chronos Software Projects
3.6.1 IDE Installation
To edit and download code to the CC430 device used inside the eZ430-Chronos watch, Code Composer
Studio v4.2 Core Edition or the IAR Embedded Workbench KickStart 5.10 (or higher) must be installed.
1. Download Code Composer Studio v4.2 Core Edition from www.ti.com/ccs, IAR Embedded Workbench
KickStart from www.ti.com/iarkickstart or from the included CD
2. Extract the zip file and run the installation program
3. Respond to the prompts to install the IDE
NOTE: The eZ430-Chronos firmware projects are provided for both Code Composer Studio and
IAR Embedded Workbench, the user has the option to select the IDE of their choice.
Currently Code Composer Studio and the IAR Embedded Workbench are only available for
Windows. CrossWorks from Rowley Associates supports Linux and MacOS, but requires
manual project setup. MSPGCC may be used for Linux as well.
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3.6.2 Chronos-to-Chronos (C2C) Communication
This feature is a demonstration of what can be done using SimpliciTI (peer-to-peer) and two
eZ430-Chronos watches. This code can be also be adapted to be used for custom applications, where the
communication of two eZ430-Chronos watches is required. This mode allows one watch to wirelessly
control the other. After a successful connection, it is possible to change the menus and show the
accelerometer data from one watch in the other. The communication is bidirectional, so the control can be
done from both watches.
3.6.2.1 Detailed Description of C2C Communication
When the C2C mode starts, the system sets a new SimpliciTI address for the eZ430-Chronos watches
based on the time and accelerometer data. In SimpliciTI peer-to-peer mode, the connection occurs when
one device listens and other tries to link. In C2C mode, the devices must change between listen and link
modes to enable bidirectional control. It is important to do perform the switch randomly to ensure at least
one possible state for connection. To enable this process, , one timer interrupt is set to 100 ms. The
interrupt routine calls a function that changes the connection mode in a pseudo-random way, using the
accelerometer data.
After the connection is established, the first message synchronizes the timers from both watches. This
way it is possible to ensure low power to this system, making the watches sleep most of the time and
wake for a short period of time to send and receive data.
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Figure 3-12. Chronos-to-Chronos Communication Flowchart
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To disconnect, press the "DOWN" button. If one watch is moved out of range or if the link is lost for any
other reason, the watch tries to send messages for some time and, if the other device cannot be found, it
automatically exits C2C mode.
3.6.3 eZ430-Chronos Watch Software Flow
The watch software is structured according to the menu items. The source for each menu item is stored in
a separate source file (for example, "temperate.c" for the temperature menu and its functions). Details can
be found in the flow chart in Figure 3-13. The data logger application works in a very similar way and,
therefore, is not described separately.
Each menu item has at least the following functions:
• "UP" or "DOWN" button pushed
• "*" or "#" button is pressed for more than three seconds
The source code file "menu.c" contains two linked lists with menu items, one for the upper LCD line
(Line1), one for the lower LCD line (Line2). Each list entry contains the following pointers:
• Pointer to next menu item
• "UP" or "DOWN" button is pressed
• "*" or "#" button is pressed for more than three seconds
To support the various RF frequencies and compiler licenses, the following configurations are available:
RF Frequencies
• 915 MHz (USA)
• 868 MHz (Europe)
• 433 MHz (Other regions)
IDE Versions (CCS, IAR)
• Unrestricted IDE versions
• Free IDE versions (CCS Core Edition, IAR KickStart). To allow recompilation of the source code, parts
of the source code files have been embedded in libraries; for example, the SimpliciTI stack and most of
the hardware drivers.
Figure 3-13 shows the basic software flow of the sports watch application.
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Figure 3-13. eZ430-Chronos Software Flowchart
After a power-up reset, the hardware is initialized, the display memory is cleared and the radio is set to
sleep mode. The main loop waits for wake-up events, which can be either a scheduled event such as a
clock interrupt, or a button event.
Button events lead to the execution of either mx_functions or sx_functions.
If the LCD is updated with new data, the modules set a display flag, and LCD Line1, Line2, or both are
updated by calling the menu-specific display functions. Display updates have been reduced as much as
possible; for example, when the time changes from 10:22 to 10:23, only the last digit is updated.
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3.6.4 eZ430-Chronos Wireless Update Feature
The wireless update feature allows to perform a firmware update of the eZ430-Chronos watch wirelessly,
that is the watch does not need to be opened. The wireless updater should be seen as an application and
not as an universal BSL. It can only be invoked by the main application, which needs to be created in a
certain way (see Section 3.6.4.2). In addition it may must be modified to comply local RF regulatory. The
current consumption during the update process may be significant. Considering the small battery capacity,
the updater is intended to be used only occasionally.
NOTE: References in the software projects and the menu items of the watch refer to it as "RF BSL"
and "WBSL" for simplicity reasons.
Whenever the wireless update is activated on the watch, it returns to the main application
with a reset, wether or not an update was performed. Time, data, alarm, and other
RAM-based data are lost.
3.6.4.1 Overview and Components of the Wireless Update Feature
As described in Section 3.6.4, the wireless update feature allows wireless updates of the eZ430-Chronos
firmware. One of the requirements for the wireless update implementation is to use as little flash memory
as possible. Therefore, a lightweight radio protocol was developed, which resides in the BSL flash area of
the CC430. The software that handles the LCD progress information and the flash memory programming
is downloaded over the air and executed in RAM. Components of the wireless updater include:
• Radio protocol in BSL memory area of the CC430 (eZ430-Chronos watch module)
• The "RAM-based updater" contains LCD and flash write routines (transferred from PC to RAM of watch
module)
• Radio protocol stack of the wireless update on RF access point (CC1111)
• PC application supporting the update functionality
The update procedure works as follows:
1. Wireless update functionality is activated in the PC application, after a valid flash image is selected
2. RF access point is ready and awaits a request from a watch
3. Wireless update is activated on the watch
4. Watch downloads LCD and flash write routines (RAM-based updater) from the PC into the RAM of the
CC430. The watch displays "rAN" (=RAM).
5. Watch executes the RAM-based updater. This starts the actual code (flash image) download process.
The LCD shows the progress.
6. A reset starts the new application on the watch when the update is finished.
The FAQ in Appendix A also list common questions on the wireless update feature.
3.6.4.2 Detailed Description of the Wireless Update Feature
To invoke the wireless update procedure, the main application must call the start of the wireless updater,
which is located at address 0x1000. Therefore, the sports watch and data logger projects contain an extra
menu item called "rFbSL". When activated, it determines if the battery level of the watch is sufficient to
start a wireless update and then calls address 0x1000. At this time, the user application is no longer
running.
NOTE: Whenever the wireless update is activated on the watch, it returns to the main application
with a reset, whether or not an update was performed. Time, data, alarm, and other
RAM-based data is lost.
After invoking the wireless update (rFbSL), the watch tries to link to a listening RF access point and start
the update procedure. If the link is successful, the watch downloads the RAM-based updater into the RAM
of the CC430. Once finished, this software then tries to link again with the RF access point to download
the actual update image. If this link is successful, a mass flash erase is performed, which erases all the
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main memory flash (0x8000 to 0xFFFF). The watch then starts to receive all of the data packets and
writes them to flash, checking if each word was written successfully. If the link is not successful, the watch
generates a reset to restart the user application. During the download of the update image, a percentage
indicator appears on the watch. When download is complete, "dOnE" is shown on the LCD, and a reset is
generated to start the new user application that has just been written to flash.
A detailed flow of the update software on the watch and the USB access point can be found in Figure 3-14
and Figure 3-15.
Figure 3-14. Flow Chart of Wireless Updater on Access Point
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Figure 3-15. Flow Chart of Flash Based Wireless Updater on eZ430-Chronos Watch Module
3.6.4.3 Error Handling
The wireless updater is designed to be fail safe. The radio protocol contains limited error handling due to
its small footprint, but the updater provides recovery if the update process fails. Upon communication
failures, the watch is put in low-power mode (LPM4) and the LCD is turned off. The update process can
be restarted by pushing the "DOWN" button after the update process is restarted on the PC.
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3.6.4.4 Upgrading Existing eZ430-Chronos Kits
Earlier eZ430-Chronos kits (production date prior to 04/2010; the production date may be found on bottom
of eZ430-Chronos box) do not support the wireless update feature. Therefore, the kits must be updated
manually. In addition to a new version of the PC software, firmware updates of the RF access point and
the eZ430-Chronos watch are required.
3.6.4.4.1 RF Access Point Update
The CC Debugger is required to reprogram the CC1111 based RF access point. To perform the update,
the SmartRF Flash Programmer software is used to on the PC.
1. Solder a debug interface connector cable onto the CC1111 access point as shown in Figure 3-16.
Figure 3-16. eZ430-Chronos RF Access Point Connection to CC Debugger
CC-Debugger RF Access Point
Pin 1 GND
Pin 2 Vcc
Pin 3 P2.2 (DC)
Pin 4 P2.1 (DD)
Pin 7 RST
Pin 9 Vcc
2. Connect RF access point to CC Debugger and press the "Reset". The LED on the CC Debugger
should become green.
3. Launch the SmartRF Programmer software
4. Open .hex file according to frequency in C:\Program Files\Texas
Instruments\eZ430-Chronos\Recovery\RF Access Point
5. Select "Erase, program and verify"
6. Clock "Perform actions"
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Figure 3-17. SmartRF Flash Programmer
3.6.4.4.2 eZ430-Chronos Watch Update
The update of the eZ430-Chronos watch needs to be done in two stages. First, the wireless updater
needs to be written to the BSL area of the flash memory of the CC430. Afterwards, the main application
must be loaded onto the watch. The easiest and fasted way is using BM innovations' Firmware Update
Tool. It writes the wireless updater into the BSL memory of the watch and programs the corresponding
sports watch firmware according to the latest eZ430-Chronos software release (recommended).
Alternatively, wireless updater may be loaded onto the watch using the included IAR Embedded
Workbench (free KickStart version is sufficient). Moreover, the .txt image may be written to the device by
using 3rd party tools such as the free FET-Pro430 Lite software from Elprotronic.
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3.6.4.4.2.1 eZ430-Chronos Watch Update Using IAR
The project is available in C:\Program Files\Texas Instruments\eZ430-Chronos\Software
Projects\eZ430-Chronos Watch\IAR\Wireless Update. The eZ430-Chronos watch module needs to be
connected to the emulator which must be connected to the PC.
1. Open project by double clicking "Wireless Updater.eww"
2. Select build configuration according to frequency in Project > Edit Configurations...
3. Click Project > Download and Debug
4. Close the Embedded Workbench after code was written
5. Program watch main application as described in Section 3.6.5.
3.6.5 eZ430-Chronos Firmware
To restore or modify the original watch projects, the source code must be installed. This happens during
the installation of the demo software package (SLAC341), which contains two different sets of examples.
Code Composer Studio v4.2 or the IAR Workbench can be used, regardless if code limited or not.
3.6.5.1 Using Code Composer Studio™ v4.2
1. Launch Code Composer Studio v4.2: Start > All Programs > Texas Instruments > Code Composer
Studio v4 > Code Composer Studio v4
2. Create new Workspace or open existing Workspace that does not yet contain eZ430-Chronos projects
NOTE: Workspaces should not be located in a long path of directories as Windows only supports
path names up to 255 characters. Keep in mind that the projects contain subdirectories as
well.
3. Import eZ430-Chronos Projects by clicking: Project > Import Existing CCE/CCS Eclipse Project
4. Click Browse and browse to eZ430-Chronos Projects (default directory: C:\Program Files\Texas
Instruments\eZ430-Chronos\Software Projects\eZ430-Chronos Watch\CCS). Confirm directory by
clicking OK
5. The eZ430-Chronos sports watch project appears as ez430_chronos, the eZ430-Chronos data logger
appears as ez430_chronos_datalogger. Select Copy projects into workspace to create a new copy of
the projects
6. Click Finish to finalize the project import. The projects appear in the C/C++ Projects view of CCS
7. Select the right version of the project. Each project comes with six different project settings (build
configurations), which can be selected in Project > Properties > C/C++ Build > Active Configuration >
Configuration:
915 MHz – Limited CCS Core Edition (USA)
868 MHz – Limited CCS Core Edition (Europe)
433 MHz – Limited CCS Core Edition (Other regions)
915 MHz – Unrestricted CCS Platinum (USA)
868 MHz – Unrestricted CCS Platinum (Europe)
433 MHz – Unrestricted CCS Platinum (Other regions)
8. Go to Target > Debug Active > Debug Active Project to launch the debugger
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3.6.5.2 Using IAR Embedded Workbench™
1. Launch the Embedded Workbench:Start > All Programs > IAR Systems > IAR Embedded Workbench
KickStart for MSP430 5.10 > IAR Embedded Workbench
2. Open eZ430-Chronos Workspace by: File > Open > Workspace...
3. Browse to eZ430-Chronos Projects (default directory: C:\Program Files\Texas
Instruments\eZ430-Chronos\Software Projects\IAR\eZ430-Chronos Watch\Sports Watch or C:\Program
Files\Texas Instruments\eZ430-Chronos\Software Projects\IAR\eZ430-Chronos Watch\Data Logger)
4. Select *.eww file and click Open
5. Select the right version of the project. Each project comes with four different project settings (build
configurations), which can be selected on top of the Workspace window:
915 MHz – Limited IAR KickStart (USA)
868 MHz – Limited IAR KickStart (Europe)
433 MHz – Limited IAR KickStart (Other regions)
915 MHz – Unrestricted IAR Workbench (USA)
868 MHz – Unrestricted IAR Workbench (Europe)
433 MHz – Unrestricted IAR Workbench (Other regions)
6. Go to Project > Download and Debug to launch the debugger
3.6.6 eZ430-Chronos GUI Sources
Full sources of the eZ430-Chronos Control Center and eZ430-Chronos Data Logger are available in the
eZ430-Chronos software packages for Windows SLAC341 and Linux SLAC388. The sources are copied
to the PC during the software installation. The graphical user interfaces are based on TCL/Tk.
3.6.6.1 eZ430-Chronos GUI for Windows
The eZ430-Chronos PC software consists of a TCL/Tk executable and a DLL, which handles the
communication with the RF access Point. Download TCL/Tk for Windows for free from
http://www.activestate.com/activetcl. Once TCL/Tk was installed on the computer, a double-click on a TCL
script (*.tcl) starts the interpreter and executes the script. Alternatively, start the TCL interpreter wish.exe
and execute the script with the "source" command. If the script filename contains blanks, put it into quotes.
The sources files are located in C:\Program Files\Texas Instruments\eZ430-Chronos\Control Center\GUI
Sources
3.6.6.1.1 TCL/TK Handling
A wrapping tool is needed to compile all TCL/Tk components into standalone applications. The freeware
tool Freewrap http://freewrap.sourceforge.net may be used for that purpose.
1. Open Command Prompt
2. Navigate to the Freewrap directory; for example, C:\Tcl\freewrap
3. Start Freewrap with the complete path to the TCL script to be wrapped; for example, freewrap.exe
C:\Program Files\Texas Instruments\eZ430-Chronos\Control Center\eZ430-Chronos Control
Center\eZ430-Chronos CC 1_2.tcl
A standalone application, which only requires the corresponding Windows DLL is generated. It can be
used on every PC, TCL/Tk must not be installed.
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3.6.6.1.2 Control Center DLL
The sources for the DLL are available in the eZ430-Chronos Windows package and can be found in
C:\Program Files\Texas Instruments\eZ430-Chronos\Control Center\GUI Sources\DLL.
The eZ430-Chronos Windows DLL has been developed using Microsoft Visual C++ 2008 Express Edition.
In order to rebuild the DLL file the Microsoft Visual Studio must be installed, since the registry enumeration
code uses MFC functions. If Microsoft Visual Studio is not present, it is still possible to rebuild the DLL, but
the "enumser" source code part needs to be removed from the project. Therefore, the BM_GetCOM()
function won’t work anymore.
The DLL has two interface sections, one that exports standard C functions, and a second one exporting
TCL-compliant functions. These TCL-compliant functions are used by the graphical user interface. Hence,
when compiling the DLL, TCL needs to be present in the default directory (C:\Tcl); otherwise, the
reference to the TCL libraries (tcl85.lib, tclstub85.lib) is invalid. If the DLL is compiled without the TCL
interface, the respective source code file and the references to the TCL libraries must be deleted.
COM Port Management
1. Opening the COM port
Prior to any communication, the COM port where the RF access point is connected must be opened.
The hardware is powered up immediately after the unit is connected. Some parts of the hardware
require a startup time of several hundred milliseconds. As a result, any access to the hardware should
not be done within one second after connecting the device.
NOTE: To address COM ports higher than COM9 in Windows, precede the "COMxx" string with the
sequence "\\.\".
The COM port is opened with the following function:
bool BM_OpenCOM( char * strPortName,
DWORD dwBaudrate = 115200,
WORD wTimeout = 30,
bool bRTS = false,
bool bDTR = false);
Parameters
strPortName
Name of the COM port (for example, "\\.\COM11").
wTimeout
Time in milliseconds a reply to a command is expected; default value is 30 ms, should not be
changed
dwBaudrate
Baudrate for the serial interface; default is 115200 Baud, should not be changed
bRTS
State of RTS line during normal operation; default is false (=GND), should not be changed
bDTR
State of DTR line during normal operation; default is false (=GND), should not be changed
Return Value
Returns true if COM port could be opened, otherwise returns false.
2. Closing the COM port
A successfully opened COM port must be closed when quitting the application to release all allocated
memory and the port itself.
The COM port is closed with the following function:
void BM_CloseCOM(void);
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3. Locating the RF access point
This function checks the Windows registry for the friendly name "TI CC1111 Low-Power RF to USB
CDC Serial Port" and returns the COM port number if the device was found.
bool BM_GetCOM(unsigned char& bPortNb);
Parameters
bPortNb
Number of the COM port (for example, „11")
Return Value
Returns true if device was found, otherwise returns false.
4. Resetting the RF access point
After power-up, the hardware is not automatically reset. Use the following function to initialize the RF
access point hardware. This function can also be used during normal operation if an error condition
was detected.
bool BM_Reset(void);
Return Value
Returns true if RF access point could be initialized successfully and false if the reset failed.
5. Read status from RF access point
This command returns the current RF access point status.
bool BM_GetStatus(WORD& wStatus);
Parameters
wStatus
Current status of RF access point HW_IDLE, HW_SIMPLICITI_STOPPED,
HW_SIMPLICITI_TRYING_TO_LINK, HW_SIMPLICITI_LINKED, HW_BLUEROBIN_STOPPED,
HW_BLUEROBIN_TRANSMITTING, HW_ERROR, HW_NO_ERROR, HW_NOT_CONNECTED
Return Value
Returns true if command could be executed and false if the command execution failed.
BlueRobin Functions
1. Set BlueRobin Heart Rate
This command sets the heart rate value that is transmitted in each BlueRobin packet.
bool BM_BR_SetHeartrate(WORD wHeartrate);
Parameters
wHeartrate
Heart rate in bpm
Return Value
Returns true if command could be executed and false if the command execution failed.
2. Set BlueRobin ID
This command sets the transmitter ID for BlueRobin transmission.
bool BM_BR_SetID(DWORD dwID);
Parameters
dwID
24-bit transmitter ID
Return Value
Returns true if command could be executed and false if the command execution failed.
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3. Read BlueRobin ID
This command reads the transmitter ID for BlueRobin transmission.
bool BM_BR_GetID(DWORD& dwID);
Parameters
dwID
24-bit transmitter ID
Return Value
Returns true if command could be executed and false if the command execution failed.
4. Start BlueRobin transmission
This command starts the BlueRobin transmission.
bool BM_BR_Start(void);
Return Value
Returns true if command could be executed and false if the command execution failed.
5. Stop BlueRobin transmission
This command stops the BlueRobin transmission.
bool BM_BR_Stop(void);
Return Value
Returns true if command could be executed and false if the command execution failed.
SimpliciTI Functions
1. Start SimpliciTI in acc/ppt mode
This command starts SimpliciTI in acc/ppt mode.
bool BM_SPL_Start(void);
Return Value
Returns true if command could be executed and false if the command execution failed.
2. Start SimpliciTI in sync mode
This command starts SimpliciTI in sync mode.
bool BM_SYNC_Start(void);
Return Value
Returns true if command could be executed and false if the command execution failed.
3. Stop SimpliciTI
This command exits the SimpliciTI stack.
bool BM_SPL_Stop(void);
Return Value
Returns true if command could be executed and false if the command execution failed.
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4. Read SimpliciTI acc/ppt data
This command reads the received data from the RF access point buffer.
bool BM_SPL_GetData(DWORD& wData);
Parameters
wData
4 byte data (byte3, byte2, byte1, byte0)
byte3 = Acceleration value Z-axis
byte2 = Acceleration value Y-axis
byte1 = Acceleration value X-axis
byte0 = 0x11 → Left mouse click (acc mode)
byte0 = 0x21 → Left mouse double-click (acc mode)
byte0 = 0x31 → Right mouse click (acc mode)
byte0 = 0x12 → Button * (ppt mode)
byte0 = 0x22 → Button # (ppt mode)
byte0 = 0x32 → Button ↑ (ppt mode)
byte0 = 0xFF → Data has been read before
Return Value
Returns true if command could be executed and false if the command execution failed.
5. Read SimpliciTI sync buffer status
This command reads the buffer status during sync mode from the RF access point buffer.
bool BM_SYNC_GetBufferStatus(WORD& wStatus);
Parameters
wStatus
Buffer status
0 = Buffer empty
1 = Data available for download
Return Value
Returns true if command could be executed and false if the command execution failed.
6. Read SimpliciTI sync buffer
This command reads the buffer content during sync mode.
bool BM_SYNC_ReadBuffer(BYTE * bData);
Parameters
bData
19-byte SimpliciTI data Packet content defined watch sending routine
Return Value
Returns true if command could be executed and false if the command execution failed.
Wireless Update Functions
1. Start wireless update
This command starts SimpliciTI in acc/ppt mode.
BR_COMM_API bool BM_WBSL_Start(void)
Return Value
Returns true if command could be executed and false if the command execution failed.
2. Stop wireless update
This command exits the SimpliciTI stack.
BR_COMM_API bool BM_WBSL_Stop(void)
Return Value
Returns true if command could be executed and false if the command execution failed.
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3. Get status of update
This command reads the buffer status during sync mode from the RF access point buffer.
BR_COMM_API bool BM_WBSL_GetStatus(DWORD& wData)
Parameters
dwData
Status
1 = linking
2 = linked
4 = error
Return Value
Returns true if command could be executed and false if the command execution failed.
4. Send Data (Text File parts) to the End Device
This command reads the buffer status during sync mode from the RF access point buffer.
BR_COMM_API bool BM_WBSL_Send_Data(BYTE * data, int len, DWORD& dwData)
Parameters
data
Pointer to byte array
len
Array length
dwData
Return value
Return Value
dwData = Length of last transmitted package.
5. Get status of packet (checks if a new packet needs to be sent from the GUI)
This command reads the buffer status during sync mode from the RF access point buffer.
BR_COMM_API bool BM_WBSL_GetPacketStatus(DWORD& wData)
Return Value
dwData
0x80 = error
0x01 = disabled
0x02 = processing packet
0x04 = send info packet
0x08 = send new data packet
3.6.6.2 eZ430-Chronos GUI for Linux
The eZ430-Chronos PC software for Linux consists of a TCL/Tk scrips, similar to its Windows equivalent.
The scripts are available in/home/<user name>/Texas Instruments/eZ430-Chronos/Control
Center/eZ430-Chronos Control Center.
See Section 3.3 for instructions on how to run these scripts on Linux machines.
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Chapter 4
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eZ430-Chronos Hardware
4.1 Programming/Reprogramming the eZ430-Chronos Watch: Disassembly and
Assembly of the Housing
To program and debug code on the CC430, it needs to be connected to a PC with a JTAG interface. The
eZ430-Chronos kit includes the eZ430-RF JTAG interface for that purpose. It can only be connected to the
eZ430-Chronos watch after the watch electronic module is removed from its housing. This chapter
describes how to remove the watch electronics from the housing and how to assemble it again.
NOTE: Videos with detailed instructions can be found on www.ti.com/chronos and the CD that is
included in the kits.
4.1.1 Disassembly of eZ430-Chronos Watch
1. Open screws on back of watch. Use the included Phillips screwdriver
2. Remove metal back of watch. Be careful not to damage the gasket between the watch and the metal
back
3. Lift out the watch module. Use the screwdriver as shown in Figure 4-1.
Figure 4-1. Removing Watch Module from Housing
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4. Remove the battery before connecting the module to the emulator. Place the screwdriver tip between
the battery and the battery holder (small metal tab) and push the tab away from battery (see
Figure 4-2). Detailed instructions are shown in the eZ430-Chronos Disassembly/Assembly video on
www.ti.com/chronoswiki.
Figure 4-2. Removing Watch Battery
CAUTION
Always remove the battery from the watch before connecting the watch to an
emulator, to prevent the battery from being charged.
WARNING
Properly dispose of the battery. Keep the battery out of the reach
of children. If the battery is swallowed, contact a physician
immediately.
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5. Connect the watch to the emulator. The watch module and the USB connector must be on the same
side of the PCB as shown in Figure 4-3. Be careful when connecting the watch module, because its
small plastic strips can get stuck at components on the emulator.
Figure 4-3. eZ430-Chronos Watch Module Attached to eZ430-RF Debug Interface
NOTE:
• Never disassemble the watch module itself.
• Do not bend the metal strips that are used as contacts for the buttons.
• Be careful when connecting the watch module to the debug interface; its small plastic
strips can get stuck at components on the emulator.
4.1.2 Assembly of eZ430-Chronos Watch
1. Insert the battery ("+" facing up) into watch module and close battery holder clip by pushing the open
end towards the module. If the small clip at the end of the holder does not snap into the plastic frame,
it may need to be bent inwards slightly
2. Gently insert watch module into the housing. Insert it in parallel to the housing. Do not try to insert one
side first (see Figure 4-4). Ensure that the small metal strips of the buttons on watch module slide over
buttons of the housing (see Figure 4-5).
Figure 4-4. eZ430-Chronos Watch Module Insertion Into Housing
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Figure 4-5. Metal Strips of Watch Housing and Buttons of Housing
CAUTION
Be careful when inserting the watch module. Do not push in the watch module
or tighten the screws without checking if the module is in position. The metal
strips of the buttons may get stuck at the buttons of the watch housing. If this
happens, gently push the strips towards the module with the screwdriver until
they slide over the buttons (see Figure 4-6).
Figure 4-6. Push Metal Strips Inward
3. Ensure that the gasket is in its position and replace the back with the screws again. Try using the
existing thread in the plastic housing and do not over tighten the screws.
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Functional Description of the eZ430-Chronos Watch
4.2 Functional Description of the eZ430-Chronos Watch
The core technology behind the eZ430-Chronos watch is the CC430F6137 microcontroller with its
integrated <1-GHz radio. The CC430 also controls the LCD and its temperature sensor is used for
temperature measurement. The only other ICs on the watch PCB are pressure and acceleration sensors
and the LCD backlight driver.
Figure 4-7. eZ430-Chronos Watch Block Diagram
The PCB does not include an antenna; the metal frame of the watch module that surrounds the LCD is
used as antenna. The antenna is tuned for best performance when the watch is worn or held in hands.
Figure 4-8. eZ430-Chronos Watch Module Front
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Figure 4-9. eZ430-Chronos Watch Module Back
Table 4-1. Estimated Battery Life (Sports Watch Software)
Mode Average Current Battery Life
Shelf mode (LPM4) 2.7 µA 92.6 months
Welcome screen (LPM3) 8.9 µA 28.0 months
Time/Date 9.0 µA 27.7 months
Continuous temperature measurement 10.0 µA 25.0 months
Continuous altitude measurement 18.0 µA 13.8 months
Continuous acceleration measurement 166.0 µA 1.5 months
Continuous BlueRobin RX 40.0 µA 6.2 months
Continuous SimpliciTI PPT (no button pressed) 10.0 µA 25.0 months
Continuous SimpliciTI SYNC 0.9 mA 8 days
Continuous SimpliciTI ACC 3.7 mA 2 days
1h/day BlueRobin RX 10.3 µA 24.2 months
1h/day SimpliciTI PPT (no button pressed) 9.1 µA 25.4 months
1h/day SimpliciTI SYNC 46.1 µA 5.4 months
1h/day SimpliciTI ACC 169.9 µA 1.4 months
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Functional Description of the eZ430-Chronos RF Access Point
4.3 Functional Description of the eZ430-Chronos RF Access Point
The RF access point allows wireless communication with the eZ430-Chronos directly from the PC to
download data, sync information, or control programs running on the PC (see Figure 4-10). It is based
on the CC1111F32 controller, which features an integrated USB controller in addition to a <1-GHz
radio.
Figure 4-10. eZ430-Chronos RF Access Point
NOTE: The access point is this kit comes in a small production-ready design. Therefore, it does not
include a JTAG connector. However, the bottom side provides pads that allow soldering
cables to connect the CC1111 to the CC Debugger. TI also offers the professional
CC1111EMK868-915 development kit including connectors and a push button.
To reprogram RF access point, a debug interface connector cable needs to be soldered onto the CC1111
access point as shown in Figure 4-11.
Figure 4-11. eZ430-Chronos RF Access Point Connection to CC Debugger
CC-Debugger RF Access Point
Pin 1 GND
Pin 2 Vcc
Pin 3 P2.2 (DC)
Pin 4 P2.1 (DD)
Pin 7 RST
Pin 9 Vcc
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4.4 Functional Description of the eZ430-Chronos Debug Interface
The eZ430-Chronos kit includes an USB emulator that provides full programming and debugging features
using its Spy-Bi-Wire (2-wire) interface. It features a back channel MSP430 application UART that may be
used independently of a debug session.
NOTE: Despite the fact that the watch module is equipped with a 6-pin connector, there is no UART
connection from the watch to the emulator as all pins of the CC430 are already used for
other purposes.
Supported devices:
• CC430F51xx
• CC430F61xx
• MSP430F20xx
• MSP430F21x2
• MSP430F22xx
• MSP430F41x2
• MSP430F54xx
• MSP430F54xxA
• MSP430F55xx
Connector J1 on the emulator (starting on top with pin 1) (see Figure 4-12).
• UART TX (from emulator to target)
• 3.6-V supply for target
• TEST/SBWTCK
• RST/SBWTDIO
• GND
• UART RX (from target to emulator)
Figure 4-12. eZ430-Chronos Debug Interface
4.4.1 MSP430 Application UART
The eZ430-Chronos emulator includes a back channel MSP430 Application UART that may be used
independently of a debug session. This allows the user to transfer serial data to a terminal window at a
fixed rate of 9600 bps with no flow control. Check the Device Manager for COM port assignment of the
MSP430 Application UART (for more details, see Section B.2).
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Schematics, Layout, BOM, and LCD
4.5 Schematics, Layout, BOM, and LCD
Gerber files for the eZ430-Chronos watch module are part of the eZ430-Chronos software packages for
Windows SLAC341 and Linux SLAC388.
4.5.1 eZ430-Chronos-433 Watches
Figure 4-13. eZ430-Chronos-433 Watch, Schematics
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Figure 4-14. eZ430-Chronos-433 Watch, PCB Components on Top Layer
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Figure 4-15. eZ430-Chronos-433 Watch, Layout Top Layer (LCD Side)
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Figure 4-16. eZ430-Chronos-433 Watch, Layout Second Layer
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Figure 4-17. eZ430-Chronos-433 Watch, Layout Third Layer
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Figure 4-18. eZ430-Chronos-433, Layout Bottom Layer (Battery Side)
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Table 4-2. eZ430-Chronos-433 Watch, BOM List
Designator Value Tolerance Footprint Description Manufacturer
C1 47 µF ±20% TAJ-A Capacitor SMD Tantalum, height max. 1.6 mm
C2 47 µF ±20% TAJ-A Capacitor SMD Tantalum, height max. 1.6 mm
C3 47 µF ±20% TAJ-A Capacitor SMD Tantalum, height max. 1.6 mm
C4 4.7 µF ±20%, X5R 603 Capacitor SMD
C5 470 nF ±10%, X5R 402 Capacitor SMD
C6 100 nF ±10%, X7R 402 Capacitor SMD
C7 100 nF ±10%, X7R 402 Capacitor SMD
C8 15 pF ±5%, COG/NP0 402 Capacitor SMD
C9 15 pF ±5%, COG/NP0 402 Capacitor SMD
C10 10 nF ±10%, X7R 402 Capacitor SMD
C11 2.2 pF ±0.25 pF, COG/NP0 402 Capacitor SMD
C12 10 nF ±10%, X7R 402 Capacitor SMD
C13 220 pF ±10%, COG/NP0 402 Capacitor SMD
C14 100 nF ±10%, X7R 402 Capacitor SMD
C15 100 nF ±10%, X7R 402 Capacitor SMD
C16 100 nF ±10%, X7R 402 Capacitor SMD
C17 3.9 pF ±0.1 pF, COG/NP0 402 Capacitor SMD Johanson 500R07S3R9BV4
C18 3.9 pF ±0.1 pF, COG/NP0 402 Capacitor SMD Johanson 500R07S3R9BV4
C19 220 pF +-10%, COG/NP0 402 Capacitor SMD
C20 100 nF ±10%, X7R 402 Capacitor SMD
C21 100 nF ±10%, X7R 402 Capacitor SMD
C22 2.2 nF ±10%, X7R 402 Capacitor SMD
C26 470 nF ±10%, X5R 402 Capacitor SMD
C27 470 nF ±10%, X5R 402 Capacitor SMD
C28 100 nF ±10%, X7R 402 Capacitor SMD
D1 1N4148 805 Diode SMD
D2 1N4148 805 Diode SMD
L1 12 nH ±5% 402 Inductor Monolithic SMD Johanson L-07C12NJV4
L2 27 nH ±5% 402 Inductor Monolithic SMD Johanson L-07C27NJV4
L3 27 nH ±5% 402 Inductor Monolithic SMD Johanson L-07C27NJV4
L4 4.7 nH ±0.3nH 402 Inductor Monolithic SMD Johanson L-07C4N7SV4
35 mH,
L5 RDC≤250Ω, ±10% Inductor Coil
IDC≥1mA
L6 100 nH ±10% 402 Inductor Monolithic SMD
4mH, RDC≤100Ω,
L7 ±10% Inductor Coil
IDC≥10mA
L8 18 nH ±5% 402 Inductor Monolithic SMD Johanson L-07C18NJV4
Female Header
P1 Connector SMD for example, MPE-Garry BL SMD 91-06
1.27mm
CUSTOM, solder PCB, 4 layers, 0.6 mm
PCB1
stop black thick
BC846BW or Bipolar Transistor NPN
Q1 SOT323
BC847BW SMD
BC846BW or Bipolar Transistor NPN
Q2 SOT323
BC847BW SMD
BC846BW or Bipolar Transistor NPN
Q3 SOT323
BC847BW SMD
R2 47k ±5% 402 Resistor SMD
R3 56k ±1% 402 Resistor SMD
R4 47k ±5% 402 Resistor SMD
R5 47k ±5% 402 Resistor SMD
R7 10k ±5% 402 Resistor SMD
R8 10k ±5% 402 Resistor SMD
R9 10k ±5% 402 Resistor SMD
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Table 4-2. eZ430-Chronos-433 Watch, BOM List (continued)
Designator Value Tolerance Footprint Description Manufacturer
MCU with ISM
U1 CC430F6137IRGC QFN64 TI
Transceiver
U3 CMA3000-D01 WLP Acceleration Sensor SPI VTI
U4 HKA5403Q-30 DIE EL Driver
U5 SCP1000-D11 Pressure Sensor I2C VTI
32.768kHz,
3.2 x 1.5
Y1 CL=12.5pF, ±20ppm Crystal SMD Microcrystal CC7V-T1A
mm2
ESR≤80kΩ
26MHz, CL=10pF, 3.2 x 2.5
Y2 ±10ppm Crystal SMD Epson TSX3225-X1E000021014300
ESR≤40Ω mm2
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4.5.2 eZ430-Chronos-868 and -915 Watches
Figure 4-19. eZ430-Chronos-868 and -915 Watch, Schematics
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Figure 4-20. eZ430-Chronos-868 and -915 Watch, PCB Components on Top Layer
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Figure 4-21. eZ430-Chronos-868 and -915 Watch, Layout Top Layer (LCD Side)
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Figure 4-22. eZ430-Chronos-868 and -915 Watch, Layout 2nd Layer
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Figure 4-23. eZ430-Chronos-868 and -915 Watch, Layout 3rd Layer
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Figure 4-24. eZ430-Chronos-868 and -915 Watch, Layout Bottom Layer (Battery Side)
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Table 4-3. eZ430-Chronos-868 and -915 Watch, BOM List
Designator Value Tolerance Footprint Description Manufacturer
C1 47 µF ±20% TAJ-A Capacitor SMD Tantalum, height max. 1.6mm
C2 47 µF ±20% TAJ-A Capacitor SMD Tantalum, height max. 1.6mm
C3 47 µF ±20% TAJ-A Capacitor SMD Tantalum, height max. 1.6mm
C4 4.7 µF ±20%, X5R 603 Capacitor SMD
C5 470 nF ±10%, X5R 402 Capacitor SMD
C6 100 nF ±10%, X7R 402 Capacitor SMD
C7 100 nF ±10%, X7R 402 Capacitor SMD
C8 15 pF ±5%, COG/NP0 402 Capacitor SMD
C9 15 pF ±5%, COG/NP0 402 Capacitor SMD
C10 10 nF ±10%, X7R 402 Capacitor SMD
C11 2.2 pF ±0.25pF, COG/NP0 402 Capacitor SMD
C12 10 nF ±10%, X7R 402 Capacitor SMD
C13 220 pF ±10%, COG/NP0 402 Capacitor SMD
C14 100 nF ±10%, X7R 402 Capacitor SMD
C15 100 nF ±10%, X7R 402 Capacitor SMD
C16 100 nF ±10%, X7R 402 Capacitor SMD
C17 1.8 pF ±0.1pF, COG/NP0 402 Capacitor SMD Johanson 500R07S1R8BV4
C18 0R ±5% 402 Resistor SMD
C19 N.A.
C20 100 nF ±10%, X7R 402 Capacitor SMD
C21 100 nF ±10%, X7R 402 Capacitor SMD
C22 2.2 nF ±10%, X7R 402 Capacitor SMD
C26 470 nF ±10%, X5R 402 Capacitor SMD
C27 470 nF ±10%, X5R 402 Capacitor SMD
C28 100 nF ±10%, X7R 402 Capacitor SMD
D1 1N4148 805 Diode SMD
D2 1N4148 805 Diode SMD
L1 12 nH ±5% 402 Inductor Monolithic SMD Johanson L-07C12NJV4
L2 5.6 nH ±0.3nH 402 Inductor Monolithic SMD Johanson L-07C5N6SV4
L3 N.A.
L4 0R ±5% 402 Resistor SMD
35 mH,
L5 RDC≤250Ω, ±10% Inductor Coil
IDC≥1mA
L6 100nH ±10% 402 Inductor Monolithic SMD
4mH, RDC≤100Ω,
L7 ±10% Inductor Coil
IDC≥10mA
Female Header
P1 Connector SMD for example, MPE-Garry BL SMD 91-06
1.27mm
CUSTOM, solder PCB, 4 layers, 0.6 mm
PCB1
stop black thick
BC846BW or Bipolar Transistor NPN
Q1 SOT323
BC847BW SMD
BC846BW or Bipolar Transistor NPN
Q2 SOT323
BC847BW SMD
BC846BW or Bipolar Transistor NPN
Q3 SOT323
BC847BW SMD
R2 47k ±5% 402 Resistor SMD
R3 56k ±1% 402 Resistor SMD
R4 47k ±5% 402 Resistor SMD
R5 47k ±5% 402 Resistor SMD
R7 10k ±5% 402 Resistor SMD
R8 10k ±5% 402 Resistor SMD
R9 10k ±5% 402 Resistor SMD
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Table 4-3. eZ430-Chronos-868 and -915 Watch, BOM List (continued)
Designator Value Tolerance Footprint Description Manufacturer
MCU with ISM
U1 CC430F6137IRGC QFN64 TI
Transceiver
U2 0896BM15A0001 896MHz Balun Johanson
U3 CMA3000-D01 WLP Acceleration Sensor SPI VTI
U4 HKA5403Q-30 DIE EL Driver
U5 SCP1000-D11 Pressure Sensor I2C VTI
32.768kHz,
3.2 x 1.5
Y1 CL=12.5pF, ±20ppm Crystal SMD Microcrystal CC7V-T1A
mm2
ESR≤80kΩ
26MHz, CL=10pF, 3.2 x 2.5
Y2 ±10ppm Crystal SMD Epson TSX3225-X1E000021014300
ESR≤40Ω mm2
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Figure 4-25. LCD Segment Map
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Figure 4-26. LCD Pinout
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Access Point Schematics, Layout and BOM
4.6 Access Point Schematics, Layout and BOM
Gerber files for the eZ430-Chronos access point are part of the eZ430-Chronos software packages for
Windows SLAC341 and Linux SLAC388.
4.6.1 eZ430-Chronos-433 RF Access Point
Figure 4-27. eZ430-Chronos-433 RF Access Point, Schematics
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Figure 4-28. eZ430-Chronos-433 RF Access Point, PCB Components on Top Layer
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Figure 4-29. eZ430-Chronos-433 RF Access Point, Layout Top Layer
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Figure 4-30. eZ430-Chronos-433 RF Access Point, Layout Bottom Layer
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Table 4-4. eZ430-Chronos-433 Access Point, BOM List
Designator Value Tolerance Footprint Description Manufacturer
C1 1 µF +-10%, X5R 603 Capacitor SMD
C2 4.7 µF +-10%, X5R 603 Capacitor SMD
C3 2.2 µF +-10%, X5R 603 Capacitor SMD
C4 47 pF +-10%, COG/NP0 402 Capacitor SMD
C5 47 pF +-10%, COG/NP0 402 Capacitor SMD
C6 100 nF +-10%, X7R 402 Capacitor SMD
C7 100 nF +-10%, X7R 402 Capacitor SMD
C8 1 µF +-10%, X5R 603 Capacitor SMD
C9 100 nF +-10%, X7R 402 Capacitor SMD
C10 10 nF +-10%, X7R 402 Capacitor SMD
C11 2.2 pF +-0.25pF, COG/NP0 402 Capacitor SMD
C12 10 nF +-10%, X7R 402 Capacitor SMD
C13 220 pF +-10%, COG/NP0 402 Capacitor SMD
C14 22 pF +-5%, COG/NP0 402 Capacitor SMD
C15 22 pF +-5%, COG/NP0 402 Capacitor SMD
C16 3.9 pF +-0.1pF, COG/NP0 402 Capacitor SMD Johanson 500R07S3R9BV4
C17 3.9 pF +-0.1pF, COG/NP0 402 Capacitor SMD Johanson 500R07S3R9BV4
C18 220 pF +-10%, COG/NP0 402 Capacitor SMD
C18 220 pF +-10%, COG/NP0 402 Capacitor SMD
C19 220 pF +-10%, COG/NP0 402 Capacitor SMD
C20 220 pF +-10%, COG/NP0 402 Capacitor SMD
C21 220 pF +-10%, COG/NP0 402 Capacitor SMD
D1 green 603 LED SMD
E1 0868AT43A0020 Chip Antenna Johanson
Ferrite Bead 1k,
L1 402 EMI Filter SMD for example, TDK MMZ1005S102C
1R, min. 100mA
L2 27 nH +-5% 402 Inductor Monolithic SMD Johanson L-07C27NJV4
L3 27 nH +-5% 402 Inductor Monolithic SMD Johanson L-07C27NJV4
L4 18 nH +-5% 402 Inductor Monolithic SMD Johanson L-07C18NJV4
L5 47nH +-5% 402 Inductor Monolithic SMD Johanson L-07C47NJV4
P1 USB Type A USB Plug for example, Lumberg 241007
CUSTOM, solder PCB, 2 layers, 0.8 mm
PCB1
stop black thick
R1 2R +-5% 402 Resistor SMD
R2 33R +-5% 402 Resistor SMD
R3 33R +-5% 402 Resistor SMD
R4 1.5k +-5% 402 Resistor SMD
R5 56k +-1% 402 Resistor SMD
R6 270R +-5% 402 Resistor SMD
U1 TPS76933DBV SOT-23 Linear Regulator TI
U2 CC1111F32RSP QFN36 ISM Transceiver TI
48MHz, CL=16pF, 23.2 x 2.5
Y1 +-10ppm Crystal SMD Epson TSX3225-X1E000021040300
ESR≤40Ω mm2
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4.6.2 eZ430-Chronos-868 and -915 RF Access Point
Figure 4-31. eZ430-Chronos-868 and -915 RF Access Point, Schematics
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Figure 4-32. eZ430-Chronos-868 and -915 RF Access Point, PCB Components on Top Layer
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Figure 4-33. eZ430-Chronos-868 and -915 RF Access Point, Layout Top Layer
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Figure 4-34. eZ430-Chronos-868 and -915 RF Access Point, Layout Bottom Layer
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Table 4-5. eZ430-Chronos-868 Access Point, BOM List
Designator Value Tolerance Footprint Description Manufacturer
C1 1 µF +-10%, X5R 603 Capacitor SMD
C2 4.7 µF +-10%, X5R 603 Capacitor SMD
C3 2.2 µF +-10%, X5R 603 Capacitor SMD
C4 47 pF +-10%, COG/NP0 402 Capacitor SMD
C5 47 pF +-10%, COG/NP0 402 Capacitor SMD
C6 100 nF +-10%, X7R 402 Capacitor SMD
C7 100 nF +-10%, X7R 402 Capacitor SMD
C8 1 µF +-10%, X5R 603 Capacitor SMD
C9 100 nF +-10%, X7R 402 Capacitor SMD
C10 10 nF +-10%, X7R 402 Capacitor SMD
C11 2.2 pF +-0.25pF, COG/NP0 402 Capacitor SMD
C12 10 nF +-10%, X7R 402 Capacitor SMD
C13 220 pF +-10%, COG/NP0 402 Capacitor SMD
C14 22 pF +-5%, COG/NP0 402 Capacitor SMD
C15 22 pF +-5%, COG/NP0 402 Capacitor SMD
C16 1.8 pF +-0.1pF, COG/NP0 402 Capacitor SMD Johanson 500R07S1R8BV4
C17 100 pF +-10%, COG/NP0 402 Capacitor SMD
C18 N.A.
D1 green 603 LED SMD
E1 0915AT43A0026 Chip Antenna Johanson
Ferrite Bead 1k,
L1 402 EMI Filter SMD for example, TDK MMZ1005S102C
1R, min. 100mA
L2 5.6 nH +-0.3nH 402 Inductor Monolithic SMD Johanson L-07C5N6SV4
L3 5.6 nH +-0.3nH 402 Inductor Monolithic SMD Johanson L-07C5N6SV4
L4 12 nH +-5% 402 Inductor Monolithic SMD Johanson L-07C12NJV4
P1 USB Type A USB Plug for example, Lumberg 241007
CUSTOM, solder PCB, 2 layers, 0.8 mm
PCB1
stop black thick
R1 2R +-5% 402 Resistor SMD
R2 33R +-5% 402 Resistor SMD
R3 33R +-5% 402 Resistor SMD
R4 1.5k +-5% 402 Resistor SMD
R5 56k +-1% 402 Resistor SMD
R6 270R +-5% 402 Resistor SMD
R7 0R +-5% 402 Resistor SMD
U1 TPS76933DBV SOT-23 Linear Regulator TI
U2 CC1111F32RSP QFN36 ISM Transceiver TI
U3 0896BM15A0001 896MHz Balun Johanson
48MHz, CL=16pF, 23.2 x 2.5
Y1 +-10ppm Crystal SMD Epson TSX3225-X1E000021040300
ESR≤40Ω mm2
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Table 4-6. eZ430-Chronos-915 Access Point, BOM List
Designator Value Tolerance Footprint Description Manufacturer
C1 1 µF +-10%, X5R 603 Capacitor SMD
C2 4.7 µF +-10%, X5R 603 Capacitor SMD
C3 2.2 µF +-10%, X5R 603 Capacitor SMD
C4 47 pF +-10%, COG/NP0 402 Capacitor SMD
C5 47 pF +-10%, COG/NP0 402 Capacitor SMD
C6 100 nF +-10%, X7R 402 Capacitor SMD
C7 100 nF +-10%, X7R 402 Capacitor SMD
C8 1 µF +-10%, X5R 603 Capacitor SMD
C9 100 nF +-10%, X7R 402 Capacitor SMD
C10 10 nF +-10%, X7R 402 Capacitor SMD
C11 2.2 pF +-0.25pF, COG/NP0 402 Capacitor SMD
C12 10 nF +-10%, X7R 402 Capacitor SMD
C13 220 pF +-10%, COG/NP0 402 Capacitor SMD
C14 22 pF +-5%, COG/NP0 402 Capacitor SMD
C15 22 pF +-5%, COG/NP0 402 Capacitor SMD
C16 1.8 pF +-0.1pF, COG/NP0 402 Capacitor SMD Johanson 500R07S1R8BV4
C17 100 pF +-10%, COG/NP0 402 Capacitor SMD
C18 N.A.
D1 green 603 LED SMD
E1 0915AT43A0026 Chip Antenna Johanson
Ferrite Bead 1k,
L1 402 EMI Filter SMD for example, TDK MMZ1005S102C
1R, min. 100mA
L2 5.6 nH +-0.3nH 402 Inductor Monolithic SMD Johanson L-07C5N6SV4
L3 5.6 nH +-0.3nH 402 Inductor Monolithic SMD Johanson L-07C5N6SV4
L4 12 nH +-5% 402 Inductor Monolithic SMD Johanson L-07C12NJV4
P1 USB Type A USB Plug for example, Lumberg 241007
CUSTOM, solder PCB, 2 layers, 0.8 mm
PCB1
stop black thick
R1 2R +-5% 402 Resistor SMD
R2 33R +-5% 402 Resistor SMD
R3 33R +-5% 402 Resistor SMD
R4 1.5k +-5% 402 Resistor SMD
R5 56k +-1% 402 Resistor SMD
R6 270R +-5% 402 Resistor SMD
R7 N.A.
U1 TPS76933DBV SOT-23 Linear Regulator TI
U2 CC1111F32RSP QFN36 ISM Transceiver TI
U3 0896BM15A0001 896MHz Balun Johanson
48MHz, CL=16pF, 23.2 x 2.5
Y1 +-10ppm Crystal SMD Epson TSX3225-X1E000021040300
ESR≤40Ω mm2
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4.6.3 Debugging Interface Schematics and Layout
Figure 4-35. USB Debug Interface, Schematic
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Figure 4-36. USB Debug Interface, Schematic
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Figure 4-37. USB Debug Interface, PCB Components on Top Layer
Figure 4-38. USB Debug Interface, PCB Components on Bottom Layer
Figure 4-39. USB Debug Interface, Layout Top Layer
Figure 4-40. USB Debug Interface, Layout Bottom Layer
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Appendix A
SLAU292D–November 2009–Revised March 2011
Frequently Asked Questions
A.1 FAQs
1. My eZ430-Chronos watch doesn't respond when I push buttons, instead it shows "Loct" in the
LCD?
"Loct" on the 7-segment LCD stands for "Lock" and indicates that the keylock is active. By holding "#"
and "DOWN" for three seconds simultaneously unlocks or locks the buttons. The LCDs shows "oPEn"
when the keylock is disabled.
2. Why doesn't my eZ430-Chronos watch always respond when buttons are pushed?
If buttons are pushed slowly (that is, held down too long), button pushes are ignored.
3. Why doesn't my eZ430-Chronos respond when I try to push buttons in short intervals in PPT or
ACC mode?
Especially in PPT mode it is important to avoid bouncing of the buttons. Therefore, an artificial delay on
the receiver side is implemented. Button pushes are translated into keystrokes or mouse clicks only if
there is at least 0.5 seconds between two of them.
4. Is my eZ430-Chronos waterproof?
Yes, it is 30-m waterproof. This indicates that it resists splashes and rain. However, it cannot be used
while taking a shower, swimming, diving, surfing, snorkeling or any other water sports. Set the watch
before exposing it to excessive water. Pressing the buttons in water or heavy rainstorms may cause
water to enter the watch.
5. The reported temperature is incorrect, how can I calibrate the sensor?
A temperature offset is stored in Flash, which is calibrated at production. If the offset is erased or is
incorrect, it can be changed to an appropriate level; see Section 3.2.1.3 for details.
6. The reported altitude is incorrect, why is that and how can I calibrate the sensor?
The altitude is determined from barometric pressure. Therefore, the altimeter needs to be recalibrated
as the pressure changes with the weather. See Section 3.2.1.4 for details on how to calibrate the
altimeter. In addition, the altitude is a function of the temperature in addition to the barometric
pressure. Therefore, the watch needs to have ambient temperature, wearing it on the arm or close to
the body may cause inaccurate measurements.
7. Why is there a timeout for the altimeter?
The altimeter algorithm is implemented according to an application report from VTI. It is not optimized
for ultra-low current consumption. For enhanced battery life, the altimeter stops operation after one
hour. It can be reactivated by pushing the "UP" button.
8. How can TI sell the eZ430-Chronos for only US$49?
The eZ430-Chronos kit is intended to be an attractive development kit and is not intended to be a
consumer product. Texas Instruments and the partner companies are sponsoring components or
services to increase the accessibility of flexible and innovative development systems to a broader
audience. Consumer products usually retail for higher prices.
9. Why are the backchannel pins not connected on the eZ430-Chronos PCB despite the fact that
the eZ430-Chronos debug interface supports the backchannel?
All pins of the CC430 were used for the LCD, buttons, or sensors.
10. Why is there no JTAG connector on the RF access point?
The access point is designed to be production ready and as small as possible. Therefore, no debug
connector is added. However, it may be reprogrammed by attaching a TI low power wireless debug
interface to the corresponding pads on the bottom side of the PCB, or using TI's CC1111EMK868-915.
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FAQs
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11. When I try to compile the source code with IAR KickStart, I get the following error:
Fatal Error[e89]: Too much object code produced (more than 0x4000 bytes) for this package
IAR KickStart currently has a 16KB code size limitation, and the project being compiled is larger than
16KB (0x4000 = 16384). Select the limited project version in the Workspace pull-down menu of the
IDE or use a full license of IAR. A 30-day evaluation version of IAR is available from
http://supp.iar.com/Download/SW/?item=EW430-EVAL.
12. When I try to compile the source code with Code Composer Studio v4.2, I get the following
error:
error: output file "eZ430_chronos_ISM_xxx.out exceeds code size limit
Code Composer Studio v4.2 Core Edition is limited to 16kB of code size and the project being
compiles is larger than 16KB. Select the limited project version in the Build Property Configuration
pull-down menu of the IDE or use the Platinum Edition of CCS. A 30-day evaluation version is
available from http://tiexpressdsp.com/index.php/Category:Code_Composer_Studio_v4
13. What is the range of the eZ430-Chronos kit?
In free field distances of up to 100 m (328 ft) have been measured. The range in other conditions,
especially within buildings, is hard to predict. It also depends on the protocol stack that is used.
14. A button fell of the eZ430-Chronos housing after I reassembled it.
The buttons of the eZ430-Chronos watch housing are held by small C-clips. If the metal strips for the
buttons of the watch module bent and stuck at the watch housing buttons, they could have removed
the C-clip. Open the watch, locate the C-clip, and reassemble the button.
15. How do I know whether I have a 915-MHz, 868-MHz, or 433-MHz kit?
Each eZ430-Chronos kit has a sticker on the box that includes the part number/frequency. The
915-MHz/868-MHz watches are the same for both frequencies from a hardware perspective. The USB
access points are slightly different. The 868-MHz version has a 0-Ω resistor next to the antenna, and
the 915-MHz version does not. The 433-MHz watches and access points (with blue antenna, larger
than 915-MHz/868-MHz versions) are different from a hardware and software perspective and cannot
be used for other frequencies.
16. How do I restore the original software on my eZ430-Chronos watch?
The eZ430-Chronos software on the PC contains source code projects as well as Flash images, which
may be used to restore the original software state of the watch module. The .txt files are located in
C:\Program Files\Texas Instruments\eZ430-Chronos\Software Projects\Recovery. To program the .txt
flash images tool such as the Flash Pro Lite software from Elprotronic (www.elprotronic.com) can be
used. Ensure that the information memory block D is not erased, as it contains calibration data and the
ID of the watch module.
17. I have erased the watch module ID and calibration data. What happens now?
If information memory block D was erased, default values for the calibration data and ID are used. See
function read_calibration_values() in main.c for details.
18. I have more than one eZ430-Chronos watch connecting to one access point at the same time.
How can I prevent this?
Each eZ430-Chronos kit has a unique ID stored in information memory block D. If this block was
erased, the ID is equal on all watches. See FAQ item 17 about restoring the ID value.
19. Can I purchase the eZ430-Chronos kit or components of it in quantities? Can I get a
customized version?
Yes, our partner BM innovations (http://www.bm-innovations.com) provides all components of the
eZ430-Chronos kit in volume as well as a range of other products.
20. Which version of SimpliciTI is used with eZ430-Chronos?
The current software release used SimpliciTI 1.1.1.
21. The LCD of my eZ430-Chronos remains blank after a wireless update. What can I do?
In case of an error during the wireless update, the watch does not go back to the previous software
version as its Flash memory was deleted. To reduce current consumption, the watch is put in
low-power mode (LPM4) and the LCD is turned off. As the wireless update software is still active, the
update procedure can be started again despite the fact that the LCD remains blank. This can be done,
by selecting a flash image (.txt file) on the wireless update tabs of the eZ430-Chronos Control Center
PC software and clicking on "Update eZ430-Chronos Watch". To start the update on the watch, press
the "DOWN" button. The update is started. For details, see Section 3.6.4.
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FAQs
22. The wireless update procedure always returns an error while downloading to flash.
Make sure that the file you are trying to download does not include data outside the main flash
boundaries, which are 0x8000 to 0xFFFF. This protection mechanism avoids writing of data to
non-existent or restricted addresses. Try to download one of the original example project’s .txt files,
which are available for Windows in C:\Program Files\Texas
Instruments\eZ430-Chronos\Recovery\eZ430-Chronos Watch\Applications and for Linux in
/home/<user name>/Texas Instruments/eZ430-Chronos/Recovery/eZ430-Chronos Watch/Applications.
If the update still does not work, the RAM-based updater may be corrupted; see the next question.
23. The wireless update always returns an error while downloading to RAM.
Make sure that the file named "ram_based_updater.txt", which is located on the working directory of
your Control Center or Data Logger GUI has not been changed. If so, reinstall the eZ430-Chronos
Software to restore the original file.
24. I get an error message right after I start the wireless update on the PC.
Failed to start Wireless Update.
Check if the RF access point contains right software version. Kits older than 04/2010 (date code can
be found on bottom of the eZ430-Chronos box) require a manual update as described in Section 3.6.4.
25. Activating the rFbSL mode on the watch always results in a rest.
This is normal. Whenever the wireless update was activated on the watch, it returns to the main
application with a reset, regardless if an update was performed or not. Time, data, alarm, and other
RAM-based data is lost. For details, see Section 3.6.4.
26. The buzzer doesn't work when the watch is not inside the housing. What's wrong?
This is normal as the buzzer is located on the metal back of the watch. It is only connected to the
watch module when the back is mounted on the watch.
105
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106
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© 2009–2011, Texas Instruments Incorporated
Appendix B
SLAU292D–November 2009–Revised March 2011
Detailed Hardware Driver Installation Guide
Detailed instructions for the Windows driver installation of the access point and the Debug Interface. The
instructions are shown for Windows XP, but are similar in Windows Vista and Windows 7.
B.1 eZ430-Chronos RF Access Point
1. The eZ430-Chronos access point USB drivers are included in the eZ430-Chronos installer package. A
separate driver wizard window opens during installation as shown in Figure B-1. Continue by clicking
next. A Windows warning may appear as the driver is not certified. Accept the driver installation.
Figure B-1. Device Driver installation Wizard for the Access Point
107
SLAU292D–November 2009–Revised March 2011 Detailed Hardware Driver Installation Guide
Submit Documentation Feedback
© 2009–2011, Texas Instruments Incorporated
eZ430-Chronos RF Access Point
www.ti.com
2. The driver installation wizard shows if the driver is successfully installed (see Figure B-2)
Figure B-2. Successful Driver Installation for Access Point
3. Insert the access point.
4. Windows detects the new hardware as TI CC1111 Low-Power RF to USB CDC Serial Port (see
Figure B-3).
Figure B-3. Access Point Detection
108
Detailed Hardware Driver Installation Guide SLAU292D–November 2009–Revised March 2011
Submit Documentation Feedback
© 2009–2011, Texas Instruments Incorporated
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eZ430-Chronos RF Access Point
5. Windows may open the Found New Hardware Wizard. If so, select No, not this time (see Figure B-4).
Figure B-4. Windows Found New Hardware Wizard
6. Select Install the software automatically in next dialog (see Figure B-5).
Figure B-5. Automatic Driver installation
109
SLAU292D–November 2009–Revised March 2011 Detailed Hardware Driver Installation Guide
Submit Documentation Feedback
© 2009–2011, Texas Instruments Incorporated
eZ430-Chronos RF Access Point
www.ti.com
7. A Windows warning appears as the driver is not certified. Click Continue Anyway (see Figure B-6). The
drivers are installed.
Figure B-6. Windows Uncertified Driver Installation Warning
8. The Windows Device Manager lists the device TI CC1111 Low-Power RF to USB CDC Serial Port
(COMx) in Ports (COM & LPT) (see Figure B-7).
Figure B-7. Access Point in Windows Device Manager
110
Detailed Hardware Driver Installation Guide SLAU292D–November 2009–Revised March 2011
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© 2009–2011, Texas Instruments Incorporated
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eZ430-RF Debug Interface
9. Verify correct properties of the port settings (see Figure B-8).
Figure B-8. CC1111 Port Settings
B.2 eZ430-RF Debug Interface
1. Install an IDE of your choice (see Section 3.6), it contains the drivers for the debug interfaces
2. Connect the eZ430-RF USB Debug Interface to an USB port of the PC
3. Windows should now recognize the new hardware as an "MSP430 XXX x.xx.xx" (see Figure B-9). The
device name may be different from the one shown here.
Figure B-9. eZ430-RF Windows Driver Installation
4. The drivers are installed automatically without any user interaction.
5. The USB debug interface is installed and ready to use. The Windows Device Manager lists a new
entries for a Human Interface Device and the MSP430 Application UART (COMx) (see Figure B-10).
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eZ430-RF Debug Interface
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Figure B-10. eZ430-RF in Windows Device Manager as HID and COM Port Devices
112
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© 2009–2011, Texas Instruments Incorporated
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and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should
obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are
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TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI’s standard
warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty. Except where
mandated by government requirements, testing of all parameters of each product is not necessarily performed.
TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products and
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