430BOOST-SENSE1 - Texas Instruments
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1. 18 5 1 LaunchPad Capacitive Touch BoosterPack User Experience GUI eeseeeeeeeeeeenn 18 5 2 Mera aee M 18 5 3 UART Communication Protocol cangra nanmanna a ed aeeidan quat etaskpuduPUpaP Ue NU DPC e IURE m 19 6 Frequently Asked Questions FAQ Tips and Tricks cceceee eee ee eee e eens eee sees eeeeeeeeeeeenees 20 7 REICKCNCES 20 8 Schematics and PCB Layout isi ccsscacsscacdeservecedexsaccaeeeseeisecevenetansne sees ctendacevecateseterenwacneevecetisans 21 8 1 read O 21 8 2 PCB Ay OU C PEE 22 8 3 sina EUIS 22 REVISION FISIONY e ein tetee ecient Mantel anette eitees 23 2 Table of Contents SLAU337B April 2011 Revised May 2013 Submit Documentation Feedback Copyright 2011 2013 Texas Instruments Incorporated I TEXAS INSTRUMENTS www ti com List of Figures 1 Capacitive Touch BoosterPack With LAUNCHPad ceccee cece eee eee cence ence ee eee een ee sees ee eeeeeaeeeneeees 5 2 PC GUI Looking for E3 nchPad eon ce Vercjcomussbveces tenes vecevex eds hucyhervaves seacevereevivess RE sie SIDA 9 3 Fasc Nisi eh fcmcc rr cinctteaagncda ucieauesuanesmaca fac amun a a aG 9 4 PC GUN Active ModE reiini diu niacmmatiacdedieldiscielsGetnecaimatnalbditinisedieiaaie2. https community ti com forums 12 aspx Contact information for the PIC can be found on the TI web site at support ti com Additional device specific information can be found on the MSP430 web site at 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 www ti com msp430 Information specific to the MSP EXP430G2 LaunchPad Experimenter Board and the different BoosterPacks can be found at focus ti com docs toolsw folders print msp exp430g2 html or the LaunchPad wiki page at processors wiki ti com index php MSP430 LaunchPad MSP EXP430G2 User s guides and detailed information on setting up a project for the MSP430 using Code Composer Studio or IAR Embedded Workbench can be found at the Tools amp Software section of the MSP430 landing page www ti com msp430 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 will be required to take whatever
3. 5 2 5 2 1 18 LaunchPad Capacitive Touch BoosterPack User Experience Software LaunchPad Capacitive Touch BoosterPack User Experience GUI Written in Processing this Windows PC GUI application communicates with the LaunchPad to receive specific capacitive touch data from the LaunchPad Capacitive Touch BoosterPack and provides the visualization of that data in the GUI Processing is a platform independent open source programming language and environment specializing in visual arts graphics and interactive applications The GUI uses a small NET utility FindAppUART exe to automatically detect a proper LaunchPad 430Emulator device connected to the PC USB port Upon correct USB COM port discovery the application initiates a 9600 baud UART connection and starts receiving data The GUI processes event and capacitive touch data and visualizes the data on the GUI in a 16 slice wheel formation Individual touches as well as gestures can be tracked in real time Further description of the behavior can be found in Section 2 3 2 and the ReadMe txt in the project source code directory The application also takes advantage of the serial library for USB COM serial communication and the sound library pitaru sonia v2 9 available at http sonia pitaru com download htm for audio effects Requirements The following utilities and libraries are required when modifying the User Experience source code Processing www processing org Serial l
4. TOPLED TEST SBWTCK RST SBWTDIO J oo 4 o o o ro FE10LSMD FE10HSMD Rev1 2 430BO00ST SENSE1 3 11 2011 12 27 13 PM Sheet 1 1 4 D 430BOOST SENSE1 Figure 10 Capacitive Touch BoosterPack Schematic SLAUS37B April 2011 Revised May 2013 430BOOST SENSE1 Capacitive Touch BoosterPack for the LaunchPad 21 Submit Documentation Feedback Copyright 2011 2013 Texas Instruments Incorporated J TEXAS INSTRUMENTS Schematics and PCB Layout www ti com 8 2 PCB Layout Figure 12 Capacitive Touch BoosterPack Layout Bottom Layer and Silkscreen 8 3 Bill of Materials BOM Table 2 Bill of Materials Pos Ref Name pee T Description 1 R1 to R8 8 390 Q SMD0603 resistor 2 R9 1 180 Q SMD0608 resistor 3 LED1 to LED8 8 Top LED red wtr clr 631NM 1206 4 LED9 1 LED white round diffused 1206 5 J1 J2 2 Female header SSM 110 L SV 2 54 mm 6 R10 to R15 0 SMD0605 resistor not populated 22 430BOOST SENSE 1 Capacitive Touch BoosterPack for the LaunchPad SLAUS337B April 2011 Revised May 2013 Submit Documentation Feedback Copyright 2011 2013 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Revision History Revision History Changes from A Revision September 2011 to B Revision Page Removed all variations of TouchSense a trademark of Immersio
5. measures may be required to correct this interference his own expense 4 Preface SLAUS337B April 2011 Revised May 2013 Submit Documentation Feedback Copyright 2011 2013 Texas Instruments Incorporated User s Guide I ME OMENS SLAU337B April 2011 Revised May 2013 430BOOST SENSE 1 Capacitive Touch BoosterPack for the LaunchPad 1 430BOOST SENSE1 Overview 1 1 Overview The 430BOOST SENSE1 Capacitive Touch BoosterPack is the first extension module for the MSP EXP430G2 MSP430 LaunchPad Value Line Development Kit see Figure 1 Extension modules such as this one designed specifically for the LaunchPad are called BoosterPacks and each features an application example for one of the MSP430 Value Line devices The BoosterPacks can be connected to the MSP EXP430G2 with both 10 pin male headers included in MSP EXP430G2 kit soldered onto the board and therefore use all available pins on the MSP430G2452 Value Line device Figure 1 Capacitive Touch BoosterPack With LaunchPad The Capacitive Touch BoosterPack is available for purchase from the TI eStore https estore ti com 4830BOOST SENSE1 Capacitive Touch BoosterPack P2361C42 aspx SLAUS37B April 2011 Revised May 2013 430BOOST SENSE1 Capacitive Touch BoosterPack for the LaunchPad 5 Submit Documentation Feedback Copyright 2011 2013 Texas Instruments Incorporated I TEXAS INSTRUMENTS 430BOOST SENSE 1 Overview www ti com 1 2 6 Th
6. COM port If no compatible COM port is found the application displays an error message and then exits If a LaunchPad COM port is found the application displays a greeting message When the user closes the message the application minimizes itself to the taskbar 3 When the LaunchPad Capacitive Touch BoosterPack is in sleep mode no data is transferred and no activity occurs in the program Use hand finger wave motion to trigger the proximity sensor and wake up the device 4 The following touches or gestures can be used for media control in a Windows system see Figure 5 a Center button press Start media player Windows Media Player by default b Bottom arrow button press Play Pause c Left arrow button press Previous Track d Right arrow button press Next Track e Scroll wheel clockwise Volume Up f Scroll wheel counter clockwise Volume Down Using the wheel a hidden mode can be unlocked Input the correct sequence similar to a rotational combination lock to reveal a secret 10 430BOOST SENSE 1 Capacitive Touch BoosterPack for the LaunchPad SLAUS37B April 2011 Revised May 2013 Submit Documentation Feedback Copyright O 2011 2013 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Getting Started With 430BOOST SENSE1 BoosterPack A mi MEDIA PLAYER Figure 5 MediaPad NOTE The Microsoft NET runtime library is required to run the MediaPad software While most rec
7. Related Warnings and Restrictions 4 3 1 User shall operate the EVM within Tl s recommended specifications and environmental considerations stated in the user guide other available documentation provided by TI and any other applicable requirements and employ reasonable and customary safeguards Exceeding the specified performance ratings and specifications including but not limited to input and output voltage current power and environmental ranges for the EVM may cause personal injury or death or property damage If there are questions concerning performance ratings and specifications User should contact a TI field representative prior to connecting interface electronics including input power and intended loads Any loads applied outside of the specified output range may also result in unintended and or inaccurate operation and or possible permanent damage to the EVM and or interface electronics Please consult the EVM user guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even with the inputs and outputs kept within the specified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors current sense resistors and heat sinks which can be identified using the information in the associated documentati
8. User Experience Firmware www ti com 4 3 16 Capacitive Touch Software Library The Capacitive Touch Software Library CAPSENSELIBRARY is a configurable tool to abstract the various peripheral settings from the application and perform several capacitive touch functions through API calls The following describes the configuration of the library to support the Capacitive Touch BoosterPack the methodology to calibrate the different elements and how the API calls are used in the application to create the user experience 1 Configuration The first step in the configuration process is identifying the methodology used to measure the capacitance For the Capacitive Touch BoosterPack the goal is to highlight the new PinOsc feature therefore an RO implementation is chosen and the relaxation oscillator is implemented with the PinOsc The RO implementation requires two timers hardware or software timers an interval timer gate and a frequency counter The frequency counter is implemented with the Timer AO peripheral and the interval timer is implemented with the WDT The Capacitive Touch BoosterPack is represented in the various structures defined in the file structure c The element structures define the GPIO and the performance characteristics of each element The GPIOs are defined first the appropriate sensor characteristics are defined and the performance characteristics are measured and added The sensor structure groups elemen
9. With 430BOOST SENSE1 BoosterPack 2 3 2 LaunchPad Capacitive Touch BoosterPack GUI Demo This section describes how to run the application on both the LaunchPad Capacitive Touch BoosterPack and the PC It assumes that the hardware is connected to the PC via USB cable see step 1 of Section 2 3 1 and that the software has been installed see Section 2 2 The following steps correspond to the instructions in Section 2 3 1 1 Start the CapTouch_BoosterPack_UserExperience_GUI exe application located at INSTALL PATHfSoftwareiCapTouch BoosterPack UserExperience GUN When the GUI starts it checks for a valid LaunchPad USB serial COM port If no compatible port connection is available the GUI prompts user to plug in the LaunchPad Capacitive Touch BoosterPack see Figure 2 The GUI continues normally if it detects that a LaunchPad is plugged into the PC CapTouch BoosterPack UserEx LaunchPad Capacitive Touch BoosterPack Looking for LaunchPad Figure 2 PC GUI Looking for LaunchPad 2 At start up or after long period of inactivity the device enters sleep mode and the GUI is disabled grayed out to indicate sleep mode see Figure 3 Upon proximity sensor detection for example wave your hand approximately 3 to 5 cm above the BoosterPack the device returns to active mode and enables the GUI P CapTouch BoosterPack UserExj AAA Figure 3 PC GUI in Sleep Mode 3 The Center Button press data toggles the center circle col
10. Workbench C SPY the assembler the C compiler the linker and the library is in the common doc and 430 doc folders CCS documents is in the msp430 doc folder under the CCS installation path The FET user s guides 5 6 also include detailed information on how to set up a project for the MSP430 using CCS or IAR Embedded Workbench These user s guide are also included in the latest IDE releases 1 http www ti com msp430 2 http processors wiki ti com index php MSP430_LaunchPad_ MSP EXP430G2 3 http processors wiki ti com index php Download_CCS 4 http focus ti com docs toolsw folders print iar kickstart htm 5 Code Composer Studio v4 2 for MSP430 tm User s Guide SLAU157 6 7 8 9 1 IAR Embedded Workbench Version 3 for MSP430 tm User s Guide SLAU138 Capacitive Touch Software Library CAPSENSELIBRARY http www ti com tool capsenselibrary Capacitive Touch Software Library User s Guide SLAA490 Capacitive Touch Software Library Quick Start Guide SLAA491 0 Capacitive Touch BoosterPack Software and Design Documentation SLAC490 20 430BOOST SENSE 1 Capacitive Touch BoosterPack for the LaunchPad SLAU337B April 2011 Revised May 2013 Submit Documentation Feedback Copyright 2011 2013 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Schematics and PCB Layout 8 Schematics and PCB Layout 8 1 Schematics TOPLED LED5 ki LED9 TOPLED LED4
11. as USB port on PC USB hub or USB battery pack via the mini USB connector or to a battery pack via the power pin connector J6 The User Experience application starts up and remains in sleep mode with only the center LED on 2 Slowly wave your hand or finger approximately 3 to 5 cm above the BoosterPack to trigger the proximity sensor and to wake the device During the wake up period the LEDs surrounding the wheel light in a wake up sequence starting with a slow clockwise rotation and ending with a fast counter clockwise rotation As this sequence ends the device enters active mode 3 To perform a touch firmly press any position on the wheel or the center button Make sure to keep your finger between the circles of the wheel Upon releasing a touch on the center button the center LED toggles e Touching a wheel position lights up the corresponding LEDs 4 To perform a gesture slide your finger along the wheel without releasing it from the wheel The corresponding LEDs trace and follow the touch and gesture 5 After a short time of no capacitive touch activity the board returns to sleep mode Only the center LED stays on 6 Go back to step 2 to re enable the application active mode 430BOOST SENSE 1 Capacitive Touch BoosterPack for the LaunchPad SLAUS37B April 2011 Revised May 2013 Submit Documentation Feedback Copyright O 2011 2013 Texas Instruments Incorporated I TEXAS INSTRUMENTS www ti com Getting Started
12. extent TI provides information on the availability and function of EVMs TI attempts to be as accurate as possible However TI does not warrant the accuracy of EVM descriptions EVM availability or other information on its websites as accurate complete reliable current or error free 10 Disclaimers 6 1 EXCEPT AS SET FORTH ABOVE EVMS AND ANY WRITTEN DESIGN MATERIALS PROVIDED WITH THE EVM AND THE DESIGN OF THE EVM ITSELF ARE PROVIDED AS IS AND WITH ALL FAULTS TI DISCLAIMS ALL OTHER WARRANTIES EXPRESS OR IMPLIED REGARDING SUCH ITEMS INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT OF ANY THIRD PARTY PATENTS COPYRIGHTS TRADE SECRETS OR OTHER INTELLECTUAL PROPERTY RIGHTS 6 2 EXCEPT FOR THE LIMITED RIGHT TO USE THE EVM SET FORTH HEREIN NOTHING IN THESE TERMS AND CONDITIONS SHALL BE CONSTRUED AS GRANTING OR CONFERRING ANY RIGHTS BY LICENSE PATENT OR ANY OTHER INDUSTRIAL OR INTELLECTUAL PROPERTY RIGHT OF TI ITS SUPPLIERS LICENSORS OR ANY OTHER THIRD PARTY TO USE THE EVM IN ANY FINISHED END USER OR READY TO USE FINAL PRODUCT OR FOR ANY INVENTION DISCOVERY OR IMPROVEMENT MADE CONCEIVED OR ACQUIRED PRIOR TO OR AFTER DELIVERY OF THE EVM USER S INDEMNITY OBLIGATIONS AND REPRESENTATIONS USER WILL DEFEND INDEMNIFY AND HOLD TI ITS LICENSORS AND THEIR REPRESENTATIVES HARMLESS FROM AND AGAINST ANY AND ALL CLAIMS DAMAGES LOSSES EXPENSES COSTS AND LIABIL
13. the Capacitive Touch BoosterPack may be touched which prevents the capacitive touch I Os from detecting user interaction 3 My application is not able to light up all the LEDs The LEDs around the wheel are multiplexed therefore they cannot all be turned on simultaneously Its required to use a time shared approach to light up all LEDs at once see Section 3 1 4 The button or the wheel is sometimes fails to detect the first touch Make sure to wave your hand 3 to 5 cm above the board to wake the device before actually touch the wheel or button The capacitive sensors are activated immediately after the wake up sequence is finished 5 Windows Media Player is not starting Loading Windows Media Player might take some time depending on the system On some systems another media player program is associated with the Windows media keys 7 References The primary sources of MSP430 information are the device specific data sheets and user s guides The most up to date versions of the documents can be found at the Texas Instruments MSP430 web page 1 All MSP430 LaunchPad and BoosterPack information can be found at the MSP430 LaunchPad wiki 2 The MSP430 LaunchPad and Value Line devices are supported in the latest versions of Code Composer Studio 3 and IAR Embedded Workbench 4 In depth details on the supported IDEs CCS and IAR can be found in the documentation folders of the IDE installation IAR tool documentation
14. the LaunchPad 13 Submit Documentation Feedback Copyright 2011 2013 Texas Instruments Incorporated I TEXAS INSTRUMENTS Capacitive Touch BoosterPack Hardware www ti com 3 2 Capacitive Touch Sensors 14 The six different capacitive touch sensor areas are connected to the Port 2 of the device On the MSP430 Value Line devices with capacitive touch enabled I Os Port 2 I Os have no analog functionality These I Os also have a smaller internal capacitance than Port 1 which make these them more sensitive than the Capacitive touch sensors on Port 1 Figure 9 shows the connection of the capacitive touch sensor areas to the MSP430 Figure 9 Capacitive Touch Sensor Areas To enable the capacitive touch feature of the I Os set the secondary port select PxSEL2 and clear the PxSEL bit The selected pins start oscillating immediately and the frequency is a direct indication of the capacitance connected to the port pin The capacitive touch I Os oscillate within a frequency range of 1 to 2 MHz which is strongly dependant on the supply voltage the device package and environmental influences For more information about the capacitive touch feature of the Value Line devices to download code example or to find application examples go to the Capacitive Touch BoosterPack wiki page http processors wiki ti com index php MSP430_LaunchPad_ MSP EXP430G2 or get the MSP430 Capacitive Touch Software Library http focus ti com docs toolsw fold
15. 430BOOST SENSE 1 Capacitive Touch BoosterPack for the LaunchPad User s Guide X TEXAS INSTRUMENTS Literature Number SLAU337B April 2011 Revised May 2013 IJ TEXAS INSTRUMENTS Contents PROTACC OUT 4 1 430BOOST SENSE 1 OvetVieW etcetera nennt ende a aA RA KE EE URN RENE 5 1 1 e 5 1 2 MEET DLP 6 2 Getting Started With 430BOOST SENSE1 BoosterPack esses eene 7 2 1 Hardware Preparation ezisssseuesa ku e geRe E ckExE sv De RapetuvaDUNN CU E rA RUE CM EN UK DM MNA REUNIR NE M e EE ME 7 2 2 Software Preparation reni retard susce xio cues iealeste a E Pues c esM Lc NUMEN MEE LEIDEN EE IEEE IDEE 7 2 3 Gabacitive Touch User Experi Ce uuscuencuin nics cionis etre euis a cu tieu E EEEE EEE 8 3 Capacitive Touch BoosterPack Hardware usesessssssssssseeseeeeeee eere 12 3 1 Driving Bin Hacer 13 3 2 Capacitive TOUCH Sensors usccsoseo inuenies cuin nexis Dee Den M DU DNE ERN I E a E Dll e INL CE 14 4 LaunchPad Capacitive Touch BoosterPack User Experience Firmware 15 4 1 Import Projectin CGS ea c 15 4 2 Open Project and Workspace in IAR Embedded Workbench eese 15 4 3 Capacitive Touch Software Library 0cceceeee eee eee eee en nn enne e mnn ne ne hn enn nennen 16 5 LaunchPad Capacitive Touch BoosterPack User Experience Software
16. CT TO WHICH LOSSES OR DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM AGAINST THE PARTICULAR UNITS SOLD TO USER UNDER THESE TERMS AND CONDITIONS SHALL NOT ENLARGE OR EXTEND THIS LIMIT Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthermore no return of EVM s will be accepted if the package has been opened and no return of the EVM s will be accepted if they are damaged or otherwise not in a resalable condition If User feels it has been incorrectly charged for the EVM s it ordered or that delivery violates the applicable order User should contact TI All refunds will be made in full within thirty 30 working days from the return of the components s excluding any postage or packaging costs Governing Law These terms and conditions shall be governed by and interpreted in accordance with the laws of the State of Texas without reference to conflict of laws principles User agrees that non exclusive jurisdiction for any dispute arising out of or relating to these terms and conditions lies within courts located in the State of Texas and consents to venue in Dallas County Texas Notwithstanding the foregoing any judgment may be enforced in any United States or foreign court and TI may seek injunctive relief in any United States or foreign court Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright O 2015 Texas Instruments Incorporated IMPORTANT N
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19. T must also be populated when programming the device They are not required for normal application operation 4 Replace the existing MSP430 device in the LaunchPad MCU socket with the MSP430G2452 device that comes with the Capacitive Touch BoosterPack kit NOTE Some revision 1 4 LaunchPad kits need a firmware update to support the MSP430G2452 devices see FAQ 1 in Section 6 5 Connect the Capacitive Touch BoosterPack board to the LaunchPad with proper orientation by ensuring that the Texas Instruments logo and the text on the BoosterPack are in the same direction as the text and logo on the Launchpad 6 Connect the LaunchPad with an USB cable to a PC or connect an external power supply 2 7 V to 3 6 V to J6 The user experience demo application lights the center LED when power is supplied to the board NOTE The 32 kHz crystal oscillator on pins 18 and 19 is not required for the user experience application to run Software Preparation The steps described in the following sections are not required for a LaunchPad Capacitive Touch BoosterPack stand alone demo For all other purposes that require PC software interaction proper installation of the hardware driver and the software is required To develop applications its also necessary to install one of the IDEs shown on the Tools and Software section of the MSP430 landing page www ti com msp430 More information on how to start developing applications for the LaunchPad and h
20. T transmit data output not connected to 4 P1 2 RXD NC Backchannel UART receive data input not connected to BoosterPack 5 P1 3 LEDx LED base to drive the eight multiplexed LEDs 6 P1 4 LED1 LED1 positive and LED5 negative drive 7 P1 5 LED2 LED2 positive and LED6 negative drive 8 P2 0 SENSO Capacitive touch proximity sensor 9 P2 1 SENS1 Capacitive touch wheel sensor left 10 P2 2 SENS2 Capacitive touch wheel sensor down 11 P2 3 SENS3 Capacitive touch wheel sensor right 12 P2 4 SENS4 Capacitive touch wheel sensor up 13 P2 5 SENS5 Capacitive touch center button sensor 14 P1 6 LED3 LEDS positive and LED7 negative drive 15 P1 7 LED4 LED4 positive and LED8 negative drive 16 RST SBWTDIO NC Reset line for SBW JTAG data not connected to BoosterPack 17 TEST SBWTCK NC Test line for SBW JTAG clock not connected to BoosterPack 18 P2 6 XOUT NC Oscillator output not connected to BoosterPack 19 P2 7 XIN NC Oscillator input not connected to BoosterPack 20 GND GND Supply ground 12 430BOOST SENSE1 Capacitive Touch BoosterPack for the LaunchPad SLAUS37B April 2011 Revised May 2013 Submit Documentation Feedback Copyright O 2011 2013 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Capacitive Touch BoosterPack Hardware 3 1 Driving the LEDs The white center LED is connected to port P1 0 of the Value Line device and can be turned on by setting this port as output The other eight LEDs are multiplexed as shown in Figure 7 Fo
21. ave a reasonable time to repair such EVM or provide replacements Repaired EVMs shall be warranted for the remainder of the original warranty period Replaced EVMs shall be warranted for a new full ninety 90 day warranty period Regulatory Notices 3 4 United States 3 1 1 Notice applicable to EVMs not FCC Approved This kit is designed to allow product developers to evaluate electronic components circuitry or software associated with the kit to determine whether to incorporate such items in a finished product and software developers to write software applications for use with the end product This kit is not a finished product and when assembled may not be resold or otherwise marketed unless all required FCC equipment authorizations are first obtained Operation is subject to the condition that this product not cause harmful interference to licensed radio stations and that this product accept harmful interference Unless the assembled kit is designed to operate under part 15 part 18 or part 95 of this chapter the operator of the kit must operate under the authority of an FCC license holder or must secure an experimental authorization under part 5 of this chapter 3 1 2 For EVMs annotated as FCC FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant CAUTION This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accep
22. ctionnement Concerning EVMs Including Detachable Antennas Under Industry Canada regulations this radio transmitter may only operate using an antenna of a type and maximum or lesser gain approved for the transmitter by Industry Canada To reduce potential radio interference to other users the antenna type and its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful communication This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain greater than the maximum gain indicated for that type are strictly prohibited for use with this device Concernant les EVMs avec antennes d tachables Conform ment la r glementation d Industrie Canada le pr sent metteur radio peut fonctionner avec une antenne d un type et d un gain maximal ou inf rieur approuv pour l metteur par Industrie Canada Dans le but de r duire les risques de brouillage radio lectrique l intention des autres utilisateurs il faut choisir le type d antenne et son gain de sorte que la puissance isotrope rayonn e quivalente p i r e ne d passe pas l intensit n cessaire l tablissement d une communication satisfaisante Le pr sent metteur radio a t approuv par Indus
23. d I2C 8kB flash memory and 256B RAM memory 430BOOST SENSE 1 Capacitive Touch BoosterPack for the LaunchPad SLAUS37B April 2011 Revised May 2013 Submit Documentation Feedback Copyright O 2011 2013 Texas Instruments Incorporated l TEXAS INSTRUMENTS www ti com Getting Started With 430BOOST SENSE1 BoosterPack 2 2 1 2 2 Getting Started With 430BOOST SENSE1 BoosterPack The following sections describe the preparation necessary to run the user experience application demo and to start developing applications with the MSP430G2452 for the Capacitive Touch BoosterPack Hardware Preparation To prepare the Capacitive Touch BoosterPack hardware for its first use 1 Solder both 10 pin male headers onto the LaunchPad s breakout pin connections J1 and J2 These two 10 pin male headers and two 10 pin female headers come with the original LaunchPad kit NOTE If the 10 pin female headers are populated use the 10 pin male headers as adapter to further extend the connections to the LaunchPad The additional distance adds minimal base capacitance and does not affect the user experience of the kit 2 Remove the J5 connections on the LaunchPad to disconnect the LaunchPad LEDs and keep them from interfering with P1 0 and P1 6 functions of the Capacitive Touch BoosterPack 3 Ensure jumpers VCC TXD and RXD of the J3 connection are populated for the user experience demo to operate properly NOTE The jumpers RST and TES
24. d proximity sensors The Capacitive Touch Software Library provides layers of abstraction to generate higher logical outputs such as logical touches and their position in this hardware a four button wheel The User Experience application starts in sleep mode sampling the proximity sensor approximately every 8 3 ms VLO 100 12 kHz 100 120 Hz Upon registering a valid proximity event for example a hand finger or object hovering approximately 3 to 5 cm from the BoosterPack the application enters the active mode During the wake up period the LEDs surrounding the wheel light in a wake up sequence starting with a slow clockwise sequence and ending with a fast counter clockwise sequence As this sequence ends the device enters active mode In active mode the application samples and registers individual finger touches on the 16 position wheel or the center button It also recognizes simple gestures clockwise and counter clockwise when the finger moves along and remains on the wheel Upon wheel position detection the corresponding LEDs surrounding the wheel light up accordingly Each individual tap on the center capacitive touch button toggles the center LED After a short time without any touch activity on the wheel or on the center button the application returns to sleep mode enabling only the proximity sensor periodically A 9600 baud UART link is also implemented using software Timer A to provide application and capacitive se
25. ded by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failures monitor failures and their consequences lessen the likelihood of failures that might cause harm and take appropriate remedial actions Buyer will fully indemnify TI and its representatives against any damages arising out of the use of any TI components in safety critical applications In some cases TI components may be promoted specifically to facilitate safety related applications With such components TI s goal is to help enable customers to design and create their own end product solutions that meet applicable functional safety standards and requirements Nonetheless such components are subject to these terms No TI components are authorized for use in FDA Class III or similar life critical medical equipment unless authorized officers of the parties have executed a special agreement specifically governing such use Only those TI components which TI has specifically designated as military grade or enhanced plastic are designed and intended for use in military aerospace applications or environments Buyer acknowledges and agrees that any military or aerospace use of Tl components which have not been so designated is solely at the Buyer s risk and that Buyer is solely responsible for compliance with all legal and regulatory requirements in connection with such use TI has specif
26. e Capacitive Touch BoosterPack features the new MSP430G2xx2 devices which are capable of driving up to 16 capacitive touch enabled I O pins The included MSP430G2452 device allows for low cost capacitive sensing and approximation sensing applications without the use of any external components The BoosterPack includes a capacitive touch board and an MSP420G2452 device that is preprogrammed with a demo application The user experience application demonstrates capacitive touch as standalone feature by showing the user interaction directly with the onboard LEDs by a GUI or by an application example on a Microsoft Windows PC 430BOOST SENSE1 features Nine LEDs giving instant feedback to user interaction e Six capacitive touch areas a button a 4 element wheel and a proximity sensor One preprogrammed MSP430G2452 device For latest information on the LaunchPad other available BoosterPacks software examples and how to program the included MSP430G2452 device see the MSP EXP430G2 LaunchPad Experimenter Board User s Guide SLAU318 or the LaunchPad wiki page processors wiki ti com index php MSP430 LaunchPad MSP EXP430G2 Kit Contents The 4830BOOST SENSE1 kit includes two components One Capacitive Touch BoosterPack board with nine LEDs and six sensor areas One preprogrammed MSP430G2452 device This device is a low power 16 bit microcontroller with an 8 channel 10 bit ADC comparator universal serial interface that supports SPI an
27. enainatainaisintiediels aaa 10 5 MediaPad isrener a a aaa ae ea i3 6 Capacitive Touch BoosterPack Hardware 0cceeeceecee ee eeee eee e eee eee ee eeee eens nnn enn nnne nnne nnne 12 7 schematic LED Multiplexing ss2s 2 222 ecdieadtwont tite Oen cR E Dos pe Re une a a 13 8 Driving S SIBI 13 9 Gapacitive Touch Sensor Areas sone na canine entra nananana aa EEA Diea E Ea EE EEn n aE aE 14 10 Capacitive Touch BoosterPack SchematiC 20cceeceeeee ee eeee eee eee eee eee eeeeeeeeneaeeeaeeenaeeeneeeneaeees 21 11 Capacitive Touch BoosterPack Layout Top Layer ecceeeeee eee eee eee eee eee e eee e ee eee I meme nnnm 22 12 Capacitive Touch BoosterPack Layout Bottom Layer and Silkscreen 2cceeeee ence eee eeeeeeeeeeeeeeeees 22 List of Tables 1 BoosterPack InterfaCe uiuere entes neto tenn drm menu n ieu indiana cl er pese PAR Re E deeded ERE EAM REDE Es 12 2 sl Ne BEI M 22 SLAUS37B April 2011 Revised May 2013 List of Figures 3 Submit Documentation Feedback Copyright O 2011 2013 Texas Instruments Incorporated T Preface l TEXAS SLAU337B April 2011 Revised May 2013 INSTRUMENTS Read This First If You Need Assistance If you have any feedback or questions support for MSP430 devices the MSP EXP430G2 LaunchPad and the 430BOOST SENSE1 Capacitive Touch BoosterPack for the LaunchPad is provided by the Texas Instruments Product Information Center PIC and the TI E2E Forum
28. ent Windows PCs have the Net runtime library installed a new or reinstall of the library might be necessary SLAUS37B April 2011 Revised May 2013 430BOOST SENSE 1 Capacitive Touch BoosterPack for the LaunchPad 11 Submit Documentation Feedback Copyright O 2011 2013 Texas Instruments Incorporated Capacitive Touch BoosterPack Hardware 3 Capacitive Touch BoosterPack Hardware I TEXAS INSTRUMENTS www ti com As shown in Figure 6 and Table 1 the Capacitive Touch BoosterPack is a typical capacitive touch application example for the new MSP430G2xx2 capacitive touch enabled I O pins The board shows three different capacitive sensor types a single button in the middle a wheel made of four single capacitive sensors and a proximity sensor around the edge of the PCB In addition there are nine LEDs on the board to give instant feedback to user interaction The eight LEDs around the wheel are multiplexed to increase their number without using too many of the microcontrollers I O pins By using a time shared signal only five I O pins are used to drive all eight LEDs ja TEXAS INSTRUMENTS _ 430BOOST CAPTOUCH1 Figure 6 Capacitive Touch BoosterPack Hardware Table 1 BoosterPack Interface Pin MSP430 Port BoosterPack Signal Description 1 VCC NC Supply voltage not connected to BoosterPack 2 P1 0 LED9 The white center LED 3 P1 1 TXD NC cd uia UAR
29. eral measurements are required at various positions See the Sensor Arrays Wheels and Sliders section in the Capacitive Touch Software Library User s Guide SLAA490 for a detailed explanation The calibration values for each element are recorded in the element structure in the file structure c 430BOOST SENSE 1 Capacitive Touch BoosterPack for the LaunchPad SLAU337B April 2011 Revised May 2013 Submit Documentation Feedback Copyright O 2011 2013 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com LaunchPad Capacitive Touch BoosterPack User Experience Firmware 3 API Calls There are five API functions that are called several times in the application The Tl CAPT Init Baseline and Tl CAPT Update Baseline functions initialize and update respectively the baseline tracking performed by the library Typically these functions are called at the beginning of an application or after long periods of inactivity In this application the initialization and updates are performed after a power up sequence and before a transition from the sleep polling proximity sensor only to active polling button and wheel only These functions are used at the transitions because it is unknown how old the previous measurements are and if these still represent the current environment The Tl CAPT Custom function measures the proximity sensor The variable dCnt is updated with the measured value In this application this variable is compa
30. ers print capsenselibrary html which is used in the application demo included in this kit NOTE The Capacitive Touch BoosterPack hardware can also be used with other MSP430 devices Resistors R10 to R15 must be populated with a resistor to realize a RC discharge that can be measured with a timer 430BOOST SENSE 1 Capacitive Touch BoosterPack for the LaunchPad SLAUS37B April 2011 Revised May 2013 Submit Documentation Feedback Copyright 2011 2013 Texas Instruments Incorporated l TEXAS INSTRUMENTS www ti com LaunchPad Capacitive Touch BoosterPack User Experience Firmware 4 4 1 4 2 LaunchPad Capacitive Touch BoosterPack User Experience Firmware This section describes the firmware application that is provided with the project Detailed information on the project construction use of the Capacitive Touch Software Library and how to set up and import the projects is included Source code for the MSP430G2452 firmware application is installed to the INSTALL PATH NSource folder as described in Section 2 2 The User Experience application operates on the LaunchPad platform using the MSP430G2452 device and the Capacitive Touch BoosterPack plugin board The capacitive touch and proximity sensing are enabled by the pin oscillator feature which is new to the MSP430G2xx2 family devices The User Experience application also uses the Capacitive Touch Software Library 7 to realize and measure the capacitive touch an
31. ever there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Heorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Canada 3 2 4 For EVMs issued with an Industry Canada Certificate of Conformance to RSS 210 Concerning EVMs Including Radio Transmitters This device complies with Industry Canada license exempt RSS standard s Operation is subject to the following two conditions 1 this device may not cause interference and 2 this device must accept any interference including interference that may cause undesired operation of the device Concernant les EVMs avec appareils radio Le pr sent appareil est conforme aux CNR d Industrie Canada applicables aux appareils radio exempts de licence L exploitation est autoris e aux deux conditions suivantes 1 l appareil ne doit pas produire de brouillage et 2 l utilisateur de l appareil doit accepter tout brouillage radio lectrique subi m me si le brouillage est susceptible d en compromettre le fon
32. ibrary included with Processing installation pitaru sonia v2 9 sound library sonia pitaru com download htm e FindAppUART exe included NET utility MediaPad The program MediaPad written using Visual Studio translates capacitive touch data from from the LaunchPad Capacitive Touch BoosterPack into Microsoft Windows virtual keystrokes for Windows media control The application implements auto detection code that automatically finds a LaunchPad compatible USB COM port before establishing the proper connection Further behavior of the application is described in Section 2 3 2 and the ReadMe txt in the project source code directory Requirements When modifying the MediaPad source code Microsoft Visual C 2010 Redistributable Package included in any version of Visual Studio 2010 available at http www microsoft com downloads is required 430BOOST SENSE 1 Capacitive Touch BoosterPack for the LaunchPad SLAUS337B April 2011 Revised May 2013 Submit Documentation Feedback Copyright O 2011 2013 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com LaunchPad Capacitive Touch BoosterPack User Experience Software 5 3 UART Communication Protocol For each event wake up go to sleep touch press or gesture a UART packet of two bytes is sent via the application UART backchannel of the LaunchPad The packets are specified as follows WAKE UP due to proximity sensor detection OXBE OxEF SLEEP after pe
33. ically designated certain components as meeting ISO TS16949 requirements mainly for automotive use In any case of use of non designated products TI will not be responsible for any failure to meet ISO TS16949 Products Applications Audio www ti com audio Automotive and Transportation www ti com automotive Amplifiers amplifier ti com Communications and Telecom www ti com communications Data Converters DLP Products DSP Clocks and Timers Interface Logic Power Mgmt Microcontrollers RFID OMAP Applications Processors Wireless Connectivity dataconverter ti com www dlp com www ti com clocks interface ti com logic ti com microcontroller ti com www ti rfid com www ti com omap Computers and Peripherals Consumer Electronics Energy and Lighting Industrial Medical Security Space Avionics and Defense Video and Imaging TI E2E Community www ti com wirelessconnectivity www ti com computers www ti com consumer apps www ti com energy www ti com industrial www ti com medical www ti com security www ti com space avionics defense www ti com video Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2015 Texas Instruments Incorporated
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35. n Corporation throughout document 5 NOTE Page numbers for previous revisions may differ from page numbers in the current version SLAUS37B April 2011 Revised May 2013 Revision History 23 Submit Documentation Feedback Copyright O 2011 2013 Texas Instruments Incorporated STANDARD TERMS AND CONDITIONS FOR EVALUATION MODULES Delivery Tl delivers TI evaluation boards kits or modules including any accompanying demonstration software components or documentation collectively an EVM or EVMs to the User User in accordance with the terms and conditions set forth herein Acceptance of the EVM is expressly subject to the following terms and conditions 1 4 EVMs are intended solely for product or software developers for use in a research and development setting to facilitate feasibility evaluation experimentation or scientific analysis of Tl semiconductors products EVMs have no direct function and are not finished products EVMs shall not be directly or indirectly assembled as a part or subassembly in any finished product For clarification any software or software tools provided with the EVM Software shall not be subject to the terms and conditions set forth herein but rather shall be subject to the applicable terms and conditions that accompany such Software 1 2 EVMs are not intended for consumer or household use EVMs may not be sold sublicensed leased rented loaned assigned or otherwise dist
36. nsing data to the PC via the UART USB back channel The application sends UART data on events such as wake up sleep touch or gesture For more detailed information on the firmware project see the source code and the associated ReadMe txt Import Project in CCS To import the project into CCS 1 Open CCS 2 Select a new project workspace outside of the project folder 3 Select Project gt Import Existing Project 4 Browse to the PROJECT ROOT CCS folder 5 Make sure that Copy projects into workspace is not checked 6 Click Finish NOTE For CCS while project root is in the outer directory the CCS project files are located inside CCS To enable the portability of the project the file macros ini is created to define the root Additionally all project code files c h are added as linked resources with their relative path to the project root Open Project and Workspace in IAR Embedded Workbench To open the project in IAR Embedded Workbench 1 Browse to the PROJECT ROOT MAR folder 2 Open the Sense BoosterPack UserExperience eww workspace The workspace should be in an independent folder not containing or contained by the project package folder SLAUS37B April 2011 Revised May 2013 430BOOST SENSE 1 Capacitive Touch BoosterPack for the LaunchPad 15 Submit Documentation Feedback Copyright O 2011 2013 Texas Instruments Incorporated I TEXAS INSTRUMENTS LaunchPad Capacitive Touch BoosterPack
37. of Japan with respect to EVMs Also do not transfer EVMs unless User gives the same notice above to the transferee Please note that if User does not follow the instructions above User will be subject to penalties of Radio Law of Japan RRER AES e San D B3E Y LESREVCSOROERSE BHT v Ronmiziixi EEG SE ESZT UU S02 amp ysd BS SH CUSVEOOCPAIRL CIE BRABTOLO ALFOUTHAD PEER TWEE BEPHWETNCCER lt K EE 1 er ea TONNEN Eme CEPR OMISIT REC 2 SERIO SER EH C SHU EE 3 fx EXE38 C EEB EREKTA ZA Bolt LEO TEACO TOE CRE ESSCLOBAUEUIRU RE i c sxUtocussd ERUOG STIBU ZR UUESIQ BRAN RAIMBAE NSRP HOCCeCHB lt KEEW ARTETA 4 YAYINLA YARNS Raw ie Raa 6 TA 24815 PERTH FEIL 3 3 3 Notice for EVMs for Power Line Communication Please see http www tij co jp Isds ti ja general eStore notice 02 page SRA BIO COMBA v LEB EUICSSRORBSRICIUTHH RNECZECKE lt KEKEE Uo http www tij co jp Isds ti_ja general eStore notice_02 page 4 EVM Use Restrictions and Warnings 4 1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND OR SAFETY CRITICAL EVALUATIONS INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS 4 2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling or using the EVM including without limitation any warning or restriction notices The notices contain important safety information related to for example temperatures and voltages 4 3 Safety
38. on When working with the EVM please be aware that the EVM may become very warm 4 3 2 EVMs are intended solely for use by technically qualified professional electronics experts who are familiar with the dangers and application risks associated with handling electrical mechanical components systems and subsystems User assumes all responsibility and liability for proper and safe handling and use of the EVM by User or its employees affiliates contractors or designees User assumes all responsibility and liability to ensure that any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electrical shock hazard User assumes all responsibility and liability for any improper or unsafe handling or use of the EVM by User or its employees affiliates contractors or designees 4 4 User assumes all responsibility and liability to determine whether the EVM is subject to any applicable international federal state or local laws and regulations related to User s handling and use of the EVM and if applicable User assumes all responsibility and liability for compliance in all respects with such laws and regulations User assumes all responsibility and liability for proper disposal and recycling of the EVM consistent with all applicable international federal state and local requirements 5 Accuracy of Information To the
39. or mimicking the behavior of the center LED on the BoosterPack The Wheel Tap is represented by lighting up a single slice on the wheel and displaying the field number on the top left corner of the PC GUI SLAUS37B April 2011 Revised May 2013 430BOOST SENSE1 Capacitive Touch BoosterPack for the LaunchPad 9 Submit Documentation Feedback Copyright 2011 2013 Texas Instruments Incorporated I TEXAS INSTRUMENTS Getting Started With 430BOOST SENSE1 BoosterPack www ti com 4 The gesture tracking Start Stop and Update is visualized on the wheel with the coloring of the wheel slices see Figure 4 Gesture can be tracked for several revolutions of the wheel in both clockwise and counter clockwise directions P CapTouch BoosterPack UserExperience GUI I TEXAS TP INSTRUMENTS 430BOOST CAPTOUCH1 Figure 4 PC GUI in Active Mode 5 After a short time when no capacitive touch activity is detected the board returns to sleep mode and the GUI is disabled 2 3 3 MediaPad This section describes instructions to run the MediaPad application on the LaunchPad Capacitive Touch BoosterPack and the PC It assumes that the hardware is connected to the PC via USB cable see step 1 of Section 2 3 1 and that the software has been installed see Section 2 2 1 Start the MediaPad exe application located at INSTALL PATHfSoftwareMediaPad 2 Atstartup the application searches for a LaunchPad or an eZ430 emulator compatible USB serial
40. ow to install the drivers and IDEs that it requires can be found on the LaunchPad wiki page http processors wiki ti com index php MSP430_LaunchPad_ MSP EXP430G2 All LaunchPad Capacitive Touch BoosterPack User Experience firmware and software described in the following sections are provided in both binary executable and source code forms along with drivers and supporting documentation 10 A zip file containing these items can be downloaded from www ti com lit zip slac490 The same software package link and updates can also be found on the LaunchPad wiki page http processors wiki ti com index php MSP430_LaunchPad_ MSP EXP430G2 When this package is installed all user experience application demos are stored in the Software folder in the selected installation directory and the source code for the projects can be found in the Source folder SLAUS37B April 2011 Revised May 2013 430BOOST SENSE1 Capacitive Touch BoosterPack for the LaunchPad 7 Submit Documentation Feedback Copyright 2011 2013 Texas Instruments Incorporated I TEXAS INSTRUMENTS Getting Started With 430BOOST SENSE 1 BoosterPack www ti com 2 2 1 2 2 2 2 3 2 3 1 8 LaunchPad USB Driver For the PC to communicate with the LaunchPad hardware the LaunchPad USB driver must be installed If this is the first time the LaunchPad is connected to the PC install the USB serial COM port driver located at INSTALL_PATH LaunchPad_Driver La
41. red to a threshold value Because this is a simple On Off function the TI CAPT Button function could have been used but for demonstration purposes the Tl CAPT Custom function was chosen When a threshold crossing is detected an LED sequence is started and the application transitions to the active state polling the wheel and middle button One possible enhancement of the proximity sensor application is to enable several different thresholds and indicate how close the user is with the LEDs on the BoosterPack The TI CAPT Button function determines if the middle button has been detected This function returns either a 1 to indicate a threshold crossing touch or a 0 to indicate that no touch was detected The middle LED is illuminated to indicate a touch The Tl CAPT Wheel function indicates the position on the wheel if it was touched or returns a defined value if no touch was detected This information is used by the application for gesture recognition which is sent to the PC and for illuminating the eight LEDs around the board For more information on the library see the Capacitive Touch Software Library User s Guide SLAA490 SLAUS37B April 2011 Revised May 2013 430BOOST SENSE1 Capacitive Touch BoosterPack for the LaunchPad 17 Submit Documentation Feedback Copyright O 2011 2013 Texas Instruments Incorporated I TEXAS INSTRUMENTS LaunchPad Capacitive Touch BoosterPack User Experience Software www ti com 5 5 1
42. ributed for commercial purposes by Users in whole or in part or used in any finished product or production system Limited Warranty and Related Remedies Disclaimers 2 1 These terms and conditions do not apply to Software The warranty if any for Software is covered in the applicable Software License Agreement 2 2 Tl warrants that the TI EVM will conform to TI s published specifications for ninety 90 days after the date TI delivers such EVM to User Notwithstanding the foregoing TI shall not be liable for any defects that are caused by neglect misuse or mistreatment by an entity other than TI including improper installation or testing or for any EVMs that have been altered or modified in any way by an entity other than TI Moreover TI shall not be liable for any defects that result from User s design specifications or instructions for such EVMs Testing and other quality control techniques are used to the extent TI deems necessary or as mandated by government requirements TI does not test all parameters of each EVM 2 3 If any EVM fails to conform to the warranty set forth above TI s sole liability shall be at its option to repair or replace such EVM or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall h
43. riod of inactivity OxDE OxAD CENTER BUTTON PRESS 0x80 0x80 WHEEL POSITION TOUCH PRESS 0x3z 0x3z z touch position OxO to OxF one nibble GESTURE START OxFC 0x2z z touch position 0x0 to OxF one nibble GESTURE STOP 0xFB 0xFB GESTURE and GESTURE END POSITION 0xGG 0x2 GG a binary number MSB is direction 0 clockwise 1 counter clockwise 7 LSBs count of gesture movement z ending position of the immediate gesture 0x0 to OxF one nibble The PC application can receive and decipher the UART information to translate it into appropriate actions SLAUS37B April 2011 Revised May 2013 430BOOST SENSE 1 Capacitive Touch BoosterPack for the LaunchPad 19 Submit Documentation Feedback Copyright O 2011 2013 Texas Instruments Incorporated J TEXAS INSTRUMENTS Frequently Asked Questions FAQ Tips and Tricks www ti com 6 Frequently Asked Questions FAQ Tips and Tricks 1 The LaunchPad is unable to program the MSP430G2452 Some of the revision 1 4 LaunchPad kits must have a firmware update to support the MSP430G2452 devices Update the LaunchPad firmware with the application provided at processors wiki ti com index php MSP430 LaunchPad Firmware Update 2 The capacitive touch I Os are not working when the LaunchPad is picked up Place the board flat on a table or other stable horizontal surface before using the Capacitive Touch BoosterPack Do not hold the board while it is in use the contacts on the back of
44. t any interference received including interference that may cause undesired operation Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment FCC Interference Statement for Class A EVM devices NOTE This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense 3 2 3 3 FCC Interference Statement for Class B EVM devices NOTE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications How
45. trie Canada pour fonctionner avec les types d antenne num r s dans le manuel d usage et ayant un gain admissible maximal et l iImp dance requise pour chaque type d antenne Les types d antenne non inclus dans cette liste ou dont le gain est sup rieur au gain maximal indiqu sont strictement interdits pour l exploitation de l metteur Japan 3 8 1 Notice for EVMs delivered in Japan Please see http www tij co jp Isds ti ja general eStore notice 01 page HABA Ic HANDRA h R RICOIWUTE ROECSZECHRKEEW http www tij co jp Isds ti_ja general eStore notice_01 page 3 3 2 Notice for Users of EVMs Considered Radio Frequency Products in Japan EVMs entering Japan may not be certified by TI as conforming to Technical Regulations of Radio Law of Japan If User uses EVMs in Japan not certified to Technical Regulations of Radio Law of Japan User is required by Radio Law of Japan to follow the instructions below with respect to EVMs 1 Use EVMs in a shielded room or any other test facility as defined in the notification 173 issued by Ministry of Internal Affairs and Communications on March 28 2006 based on Sub section 1 1 of Article 6 of the Ministry s Rule for Enforcement of Radio Law of Japan 2 Use EVMs only after User obtains the license of Test Radio Station as provided in Radio Law of Japan with respect to EVMs or 3 Use of EVMs only after User obtains the Technical Regulations Conformity Certification as provided in Radio Law
46. ts as appropriate and identifies the measurement characteristic for that group namely the interval period For the RO method increasing the interval time increases the sensitivity however this is at the cost of response time which is critical for supporting the PC GUI in this application The proximity sensor uses an SMCLK of 125 kHz For the button and wheel the frequency is increased to 1 MHz The interval count is 8192 8 192 ms gate time for the button and wheel elements and 65 5 ms gate time for the proximity element The wheel is a special kind of sensor in which each element contributes to the sensor performance The wheel is made up of four elements divided into 64 points or sections and requires that the cumulative response exceed 75 percent This percentage is based upon the normalized response where meeting the threshold would represent 096 and the maximum response would represent 10096 This is to account for cases when the interaction is near the edges of the wheel instead of the middle Calibration The calibration of the middle button and the proximity sensor are relatively straight forward because the desired output is a binary indication of whether or not the threshold is exceeded Using a controlled test fixture to represent the minimum touch distance in the case of the proximity sensor the values are recorded and input as the threshold value in the element structure The calibration for the wheel is more complicated as sev
47. unchPad_Driver exe NOTE The LaunchPad USB drivers are integrated into the IDE installer packages from Code Composer Studio version 4 or IAR Embedded Workbench version 5 20 and do not require a second installation if an IDE has already been installed Locate Software Programs Two software programs are provided to work with the LaunchPad Capacitive Touch BoosterPack user experience demo They are both installed to the INSTALL PATH Software folder All software and firmware examples are also available as source code in the capacitive touch software package Capacitive Touch User Experience The Capacitive Touch User Experience consists of three projects The firmware application that can operate in stand alone mode LaunchPad Capacitive Touch BoosterPack Firmware Demo A processing GUI that displays the information from the LaunchPad Capacitive Touch BoosterPack visually LaunchPad Capacitive Touch BoosterPack GUI Demo A Visual Studio program that uses the LaunchPad Capacitive Touch BoosterPack input to control media in Windows MediaPad LaunchPad Capacitive Touch BoosterPack Firmware Demo The application described in this section can be used as either a stand alone demo no PC required or as a demo with PC applications running If PC application is desired make sure to start the PC application execution before proceeding with step 2 1 Plug the LaunchPad with Capacitive Touch BoosterPack into a USB source such
48. ur LEDs are connected with the diode cathodes to the ports P1 4 to P1 7 and the other four LEDs are connected with the diode anodes All LEDs are connected to port P1 3 to either source or drain four LEDs at any one time To drive a particular set of these eight LEDs two steps are required 1 Port P1 3 acts as GND drain so that the first nibble can drive LED1 to LED4 directly The other LEDs are not active during this time 2 Port P1 3 acts as a VCC source to light LED5 to LED8 The pattern for the second nibble must be inverted and set to port P1 4 to P1 7 Figure 7 Schematic LED Multiplexing Switching between modes can be controlled by a timer and has to be at least 100 times a second to generate the illusion of a constant light pattern To reduce glitches while switching the LED modes it is recommended to set the LED signals that are not being driven to input mode Figure 8 shows the signals of all the LED driving pins required to light up LED1 LED3 LED6 and LED7 The mode on P1 3 can be set before or after the LED settings as long as the unused LEDs are set to input mode NOTE The current user experience implementation is not using a time shared approach to drive the LEDs due to the shared CPU and timer resources utilized by the Capacitive Touch Software Library 7 functions and the UART transmissions Figure 8 Driving LEDs SLAUS37B April 2011 Revised May 2013 430BOOST SENSE1 Capacitive Touch BoosterPack for
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