Educational Booster Kit
Contents
1. O of of o gt a a D 2 ce 2 o lt x A E e 5 gt 74HC164D P1 6 SDO SCL 2 1C LP BP WM LED SECTION Project Name Section Figure 10 SSD Schematic Version 0 7 O Pushkala Technologies Pvt Ltd 25 27 User Manual Educational Booster Ki ac 1 19S 00S 9 Ld LAITV97d ae H TDS 0GS 9 Ld LAIVYTd 199a N3349 Wa ZNI avdHL caai ed INI ONG ano 3 0 LEDT LT TT HNO 1O0d WA SUIVI Ld TIOd E 10d TTTTLANN lo MTT az 232 Vv dazzna EAC Vv EAE EAE urejeyysnd mum selBojouyoa ejexusng 1UBUKdo L009007 Alad Ag PouusA HOLO uonoes ald IUS GT CL LL 2LOT 60 01 SWIL 8 JEG L00010 dlad Ag paJe919 vU Lupi NM de dI 9WEN p fosd 9 S L 26 27 IC s Schemati ion Other Sect O Pushkala Technologies Pvt Ltd Figure 11 Version 0 7 Contacts Technical Sales Generic Website Postal Address Version 0 7 Educational Booster Kit User Manual Support pushkala in sales pushkala in contactus pushkala in www pushkala in Pushkala Technologies Pvt Ltd No 38 SHREEKANTA West Anjaneya Temple Street Basavanagudi Bangalore 560004 Karnataka India O Pushkala Technologies Pvt Ltd 27 272. 0 else SET MIO mON 1 LOST LED2 ON LEDI ORE CTREMEOF CLR M2 swDelay DLY if MON CLR Mi CLR M2 mON 0 else Ver E D y SET MB e mON 1 void swDelay volatile unsigned long Delay while Delay Version 0 7 O Pushkala Technologies Pvt Ltd 21 27 Educational Booster Kit User Manual Analog Input MSP430G2231 controller supplied with Launchpad kit has eight 10 bit ADC channels multiplexed to operate with Port 1 pins Among these P1 0 that is Analog input Channel O or AO is brought out on to a connector on LP BP WM board Legend 12 on Figure 3 represents the connector On either side of the connector you will find 3 3VDC and GND signals made available Standard 3 pin potentiometer or Temperature Sensors and any similar analog signals can be connected to this pin Voltage reference for the ADC is derived from microcontroller s internal sources More details on usage of ADC is available in MSP430G2231 s family user guide Note Do not apply voltage lees than OVDC or greater than 3 3VDC to analog input pin Following is volt meter demonstration code J KR KKK KKK KK KK KK KA I A A e A A I RASA kkk kkk EBK Analog in Demo 0 to 3 2VDC Volt meter solution Description Pl 0 configured as analog input pin ae Voltage input variance on P1 0 is reflected as A two digit valuse on SSD Lp Defa lt Clock Source uA Pushkala Technologies
3. PLIN amp BIT OO E TRUE else PLOUT amp BIZ Version 0 7 Pushkala Technologies Pvt Ltd 18 27 Educational Booster Kit User Manual DC Motor Controller A brushed DC motor which can operate at 3 3VDC can be controlled through EBK Tl s DRV8837 bidirectional DC motor controller IC is interfaced to MSP430 Further details can be derived from EBK s schematic and DRV8837 data sheet Refer to Jumper Section of this document for more information on configuration of DC motor controller Note Do not connect the motor while downloading the firmware to Launchpad or disengage Jumper JP1 or JP2 to disable motor Motor is a heavy inductive load and may consume more power during start up time and this will lead to USB re enumeration of Launchpad few a times Following code demonstrates bidirectional control of motor f KKKKKKKKKKKKKKKKKKK KKK KKK KK KKK KK KKK KKK KKK KKK KKK KKK KKK I EBK Motor Demo DC motor controller Description Pressing Key 2 starts the motor in clock wise Lf direction and same key again stops the motor if Key 1 is configured to start and stop the motor LT in counter clock wise direction Default Clock Source if Pushkala Technologies India www pushkala in PIN Qetober 2012 Built wil CCS Version 5 11 f KR RK RK KK RK KK ARRASAR A A ke kk he ke kkk kk kkk include lt msp430G2231 h gt roer ine LED PORT I2 QUE define LED1 ON LED PORT pe ESTO uel
4. EXP430G2 LaunchPad board Plugin the EBK on to MSP EXP430G2 If you have purchased EBK and MSP EXP430G2 Launchpad separately make sure you solder the header pins Warning Checkout for the LP BP WM board orientation before plunging in Plug in the supplied USB Cable s one end to MSP EXP430G2 LaunchPad and the other end to PC Laptop USB port MSP EXP430G2 LaunchPad and EBK powers from the 5VDC available from USB hence no additional power supply required Read through further sections to know about software required for cross development and a quick test scenario MSP EXP430G2 LaunchPad and EBK are not recommended to be connected to external USB Hubs Version 0 7 Pushkala Technologies Pvt Ltd 9 27 Educational Booster Kit User Manual Quick Check This section describes about how to test your EBK on first power up 1 Connect the EBK as per the guidelines given in the previous section 2 Download install and open latest version of Code Composer Studio form Tl website 3 Download EBK Test V1 source code archive from www pushkala in EBK web page 4 Open build and debug EBK Test V1 project in CCS 5 You should see SSDs displaying On 6 Now press Key 1 light Red LED and press Key 2 to light Green LED This completes the quick test procedure to explore all other available peripherals browse through respective sections of this document If in any case you do not succeed with the above steps immediatel
5. India www pushkala in l October 2012 ff Bolle vita CCS Version 5 1 1 J KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK KKK Ck KAKAK KKK KK AK kkk kkk include lt msp43092231 h gt define DLY 100000 ering LEAD PORT PIOUT roerne LEDI ONG RED PORT BIO Cerine LED OFT RDP ORT amp CBO qdefine SPI PORT EKOUT define SET SPI PORT x SPI PORT x define CLR SPI PORT x SPI PORT amp x define SIPI ER BITS refine SPI SIDO PAHING define BUZ BIT define DP 0x80 Cos mmm mer ehar sasi INO Oxst OE MOSS EP MOTO EC Version 0 7 O Pushkala Technologies Pvt Ltd 22 27 Educational Booster Kit User Manual Ox6D Ox7D Ox07 OXVE OxGir void transferToSSD unsigned char digitl unsigned short digit2 void swDelay volatile unsigned long Delay void main void unsigned short adcU 0 adcT 0 unsigned long adcData 0x00000000 WDTCTL WDTPW WDTHOLD Stop watchdog timer PIDIR OxEC Set Pl direction 1 Out 0 In CLR SPI PORT SPI SDO CLR SPI PORT SPI SCK CUR SPI PORT BUA LEDI OFF ADC Forever while 1 JADE Configuration ADC10AEO 0x0001 Make AO of P1 0 bit Analog ADC10MEM 0x0000 Clear ADC data register ADC10CTLO 0x0000 ADC10CTLO ADC10SHT1 ADC10SHTO ADC100N VCC Vref ADCLOC TEL INCE 07 ADC10CTLO ENC ADC10CTLO ADC10SC Start Conversion while ADC10CTL1 amp ADC10BUSY ADC10AEO 0x0000 Ma
6. Technologies products are not designed intended or authorized for use in applications intended to support or sustain life or for any other application in which the failure of the Pushkala Technologies product could create a situation where personal injury or death may occur Should Buyer purchase or use Pushkala Technologies products for any such unintended or unauthorized application buyer shall indemnify and hold Pushkala Technologies harmless against all claims and damages Contact information Pushkala Technologies Pvt Ltd No 38 SHREEKANTA West Anjaneya Temple Street Basavanagudi Bangalore 560004 Karnataka India Phone 91 80 4160 9003 email contactus pushkala in web www pushkala in Version 0 7 Pushkala Technologies Pvt Ltd 2 27 Educational Booster Kit User Manual About this manual This manual intends to discuss about the features and usage scenarios of Educational Booster Kit for MSP EXP430G2 LaunchPad Audience Any person who wishes to use Educational Booster Kit Conventions used Courier New font to represent code snippets and commands at prompt Tip Useful information related to topic of discussion Warning Less severity information Note Information which should be considered Acronyms used EBK Educational Booster Kit EEPROM Electrically Erasable Programmable Read Only Memory SPI Serial Peripheral Interface UART Universal Asynchronous Re
7. kit consists of the following Serial Module Quantity 1 LP BP WM Board Rev 1 1A 1 2 3 3VDC operable Brushed DC Motor 1 3 Potentiometer 1 Note MSP EXP430G2 LaunchPad kit is bundled along with EBK in Enhanced Lerner Kit V1 0 y LaunchPad Figure 1 Standard EBK contents not including LaunchPad Version 0 7 Pushkala Technologies Pvt Ltd 5 27 Educational Booster Kit User Manual What is Educational Booster Kit Educational Booster Kit LP BP WM for MSP EXP430G2 Value line edition LaunchPad is a peripheral interfaced board aimed towards providing a enhanced learning and experimentation experience EBK can be considered as a Single Board Computer for the reasons that it provides basic required functionality to develop simple Embedded Control Systems Peripherals Enhanced SPI Interfaced 2 Seven Segment LEDs I2C Interfaced 4K 512 x 8 Serial EEPROM DRV8837 based DC Motor Controller 3 3V DC Piezoelectric Buzzer One Green and One Red 3mm LED 2 micro keys switches P1 0 analog input pin brought out to a header AAAAA A4 Analog MSP430 Launchpad MSP430G2231 Figure 2 Block diagram of EBK Having EBK interfaced to MSP EXP430G2 LaunchPad one can develop numerous embedded applications to name a few 0 3V DC voltage meter Temperature Monitor Morse Code Tone Generator 2 digit Stop Clock using Timers DC motor controller with direction and speed paramete
8. pne EDIL OFE LED PORT e BIT define LED2 ON RECO POER IAIN erine LEDZ OER CEE PORT lt BIN Oleic Line REM P1IN amp BITO roerne IKI WZ PLIN BITI define M1 BIS define M2 BITA define SET MII PIOUT M1 define SET M2 PIOUT M2 define CLR MIL PIOUT amp M1 define CLR M2 P1OUT amp M2 define BUZ BITZ Version 0 7 Pushkala Technologies Pvt Ltd 19 27 Educational Booster Kit User Manual define BUZ ON PIOUT BUZ define BUZ OPEN PIOUT amp BUZ define SEIL POS P1OUT define SET SPT PORT x SEI PORT lt define CER SPT PORT Gx SEI PORT Ss define SEI SEK BITS Cerine SPIL SDO BIT6 void swDelay volatile unsigned long Delay define DLY 100000 unsigned short mON 0 void main void WDTCTL WDTPW WDTHOLD Stop watchdog timer PISEL 0x00 P2SEL 0x00 PIREN OxFB P2REN Ox3F PIDIR OxEC LED PADIR BITES PA DTREIS Eu BUZ OFF LED1 OF 0 EX LED2 OFF E CLR M10 LR M2 LR SPI PORT SPI SDO CLR SPT PORTISPI SCK D r while 1 if KEY1 LEDI ON LED2 OFF CLR M2 Set Bit6 to output direction Set Bic to output direction Version 0 7 Pushkala Technologies Pvt Ltd 20 27 Educational Booster Kit User Manual L CLR M1 swDelay DLY if mON CUR ML GER M mON
9. 2231 h gt void main void WDTCTL WDTPW WDTHOLD Stop watchdog timer PIDIR amp BITO Clear PIDIR O to set Pl 0 as input PIREN BITO Enable pullup resistor on P1 0 PISEL 0x00 PR pr er Set P2 7 to output direction P2SEL 0x00 Clear multiplexed function in P2 while 1 LE 9 PILIN amp BITO P2OUT iur else P2OUT amp BIT7 Version 0 7 O Pushkala Technologies Pvt Ltd 14 27 Educational Booster Kit User Manual Seven Segment Display EBK comes with two seven segment red LED displays driven by two serial in parallel out shift registers connected in series First shift register s driving DIS1 data input is connected to port P1 6 of uC which also SDO signal of SPI group P1 5 is used as SCLK or serial clock Refer schematics for hardware details Display data is serially transferred as two byte information corresponding to DIS1 and DIS2 first byte corresponding to DIS2 Following code demonstrates a free running counter application J KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK KKK kokck ck ck KKK j BBR Sob Demo Display 020 to 9 9 count Description Free running software counter with software delay Default Clock Source PA Pushkala Technologies India www pushkala in VP October 2012 Buile vien CCS version 55 151 include lt msp43092231 h gt define DLY 100000 define LED PORT BLO define LED1 ON LED PORE TS TERTII vader INE L
10. AAK kkk EBK LED Demo Software Toggle P2 7 Description Toggle P2 7 by xoring P2 7 forever Default Clock Source Pushkala Technologies India www pushkala in October 2012 Built with CCS Version 5 1 1 f KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK kk CK KAKAK AKK AKA KAKAK KAKAK KAKAK AKK finclude lt msp430G2231 h gt void main void volatile unsigned long delay 0 WDTCTL WDTPW WDTHOLD Stop watchdog timer P2DIR BITV fl Set P2 T to output direction P2SEL 0x00 Clear multiplexed function in P2 while 1 E2OUT A BIT for delay 0 delay lt 65534 delay SW Delay Step 3 Build the project and run On successful execution you will observe that Green LED toggling Version 0 7 Pushkala Technologies Pvt Ltd 12 27 Educational Booster Kit User Manual Jumper settings There are two Jumpers JP1 amp JP2 to configure DC motor controller on LP BP WM board These jumpers are two pin variants In figure below the black thick line on pad pin represent the presence of a short link Short link is simple two pin conductive connector Short links are provided for all jumpers No short link b w Pin 1 amp 2 1 Short link b w Pin 1 amp 2 Figure 8 Jumper connection schemes Jumper 1 JP1 Enable Disable DRV8837 DC Motor Controller Standard Setting Enabled Short link between Pin 1 and 2 Enabled O No short link between Pin 1 a
11. ED OPE LED PORT CNE DT define SEE Ra P1OUT define SET SPI PORT x define CLE SET PORT x SPI PORT amp X define SPI SCK BITS define SPI SIDO BIT6 define BUA BIT2 SPI PORT x fdefine DP 0x80 Decimal point Const Unsicimec eese seed Ts O06 RS ssim Qs 06D Ox7D 007 sym Osee void transferToSSD unsigned char digitl unsigned short digit2 void swDelay volatile unsigned long Delay Version 0 7 Pushkala Technologies Pvt Ltd 15 27 Educational Booster Kit User Manual void main void unsigned short dispU 0 dispT 0 unsigned short count 0x0000 WDTCTL WDTPW WDTHOLD Stop watchdog timer PIDIR 0xEC ff See Pi direction 1 Out 0 In CLR Se PORT SPT SDO Ci SIPIL PORT Sei Sen CLR SPI PORT BUZ LED1 OFF Forever while 1 dispU count 10 Process the data for display displ count 10 EransfertossD ssd dispul ssdjdispr DP Enable decimal dot point for tens place void COUMELE ck if count gt 99 count 0 swDelay DLY transferToSSD unsigned char digitl unsigned short digit2 unsigned char i 0 Digit 2 Transfer or ai Of i lt Bp aaa Aotivate Serial Data a dit 8 0790 ee Version 0 7 Pushkala Technologies Pvt Ltd 16 27 Educational Booster Kit User Manual SEIT SII PORT SPI SIDO else Cir SEI EORI SPI SDO activate Serial Clock S
12. TM Pushkala Educational Booster Kit for MSP EXP430G2 LaunchPad LP BP M Revi 1A Wwuuy pushkala in DC MOTOR User Manual Version 0 7 www pushkala in Pushkala Technologies Pvt Ltd 19 October 2012 Educational Booster Kit User Manual Copyright Information Pushkala Pushkala Technologies and Pushkala s Logo are registered trademarks of Pushkala Technologies Private Limited India All other brands and product names in this document may be registered trademarks or copyrighted information of their respective owners Disclaimer The information in this document is believed to be accurate in all respects at the time of publication but is subjected to change without notice Pushkala Technologies assumes no responsibility for errors and omissions and disclaims responsibility for any consequences resulting from the use of information included herein Additionally Pushkala Technologies assumes no responsibility for the functioning of undescribed features or parameters Pushkala Technologies reserves the right to make changes without further notice Pushkala Technologies makes no warranty representation or guarantee regarding the suitability of its products for any particular purpose nor does Pushkala Technologies assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability including without limitation consequential or incidental damages Pushkala
13. ceiver Transmitter Serial Port I2C Inter Integrated Circuit Communication from NXP ADC Analog to Digital Conversion GPIO General Purpose Input Output PWM Pulse Width Modulation bps Bits per second KB Kilo Bytes SBC Single Board Computer CCS Code Composer Studio SSD Seven Segment Display Version 0 7 Pushkala Technologies Pvt Ltd 3 27 Educational Booster Kit User Manual Table of contents Educational Booster Kit contents mssasssssmesenmmensannieemasmeneeseemnvke 5 What is Educational Booster Kit L ummcmmmemesssasseansisses nssassennsksssnanes nnennekasenans ankennseaansnnes e 6 ldentitying what is on EBK Leste 7 Basic Development ANN 9 ET EE 10 SOMO SON Ee 11 PA EE lt sis esak eaaa RE OE 11 First Program ON EBH anas asasi sapa kanga agan o 12 Developing and Debugging a simple LED toggling code Blinky 12 Mut Bl ip REE 13 AE TK CA 14 ET RET AMT T MN 15 Piezoelectric TT MEO 18 ied ones Ka 19 JAMANG p e kaa ai 22 SC MN DE RII MEDIEN MEM MUN MEE 25 ec O O oO O 27 Version 0 7 Pushkala Technologies Pvt Ltd 4 27 Educational Booster Kit User Manual Educational Booster Kit contents A standard packaged EBK
14. ke AO of P1 0 bit digital adcData ADCIOMEM Get ADCed data adcData 322 Multiply by ADC step size 100000 adcData 10000 Correct the value for 2 digit precision adcU adcData 10 Process the data for display adcT adcData 10 BN Sea SD Ses aee sselasekeu DENG swDelay DLY Version 0 7 Pushkala Technologies Pvt Ltd 23 27 Educational Booster Kit User Manual VOM EBA s teriko SSD unsigned ehani aik aja usage shoe dig unsigned char i 0 Digit 2 Transfer for i e Op Gg xe Activate Serial Data Wit chigit amp 0x290 gt gt i SET SPI PORT SPI SDO else CLR SPI PORT SPI SDO lJictriveate Serial Clock SET SPI PORT SPI SCE A CLR SPI PORT SPI SEE H Digit 1 Transfer ror 07 i lt EE Activate Serial Data TE duque e 0780 gt gt 1 SET SPI PORT SPI SDO else CLR SPI PORT SPI SDO ljAcriveatre Serial Clock SET Si FOR SEI Scr 2 CIHR Si PORTE SETOSCR void swDelay volatile unsigned long Delay while Delay Version 0 7 O Pushkala Technologies Pvt Ltd 24 27 Educational Booster Kit User Manual Schematic 1 2 OLH OH mn ol o 74HC164D Date amp Time 10 09 2012 17 13 26 Sheet Copyright Pushkala Technologies www pushkala in PEID 2010001 PEID 2006001 OLH OH gt em 2 D gt
15. nd 2 Disabled Jumper 2 JP2 Provide Remove DC supply voltage to DRV8837 This jumper is used to derive DC supply voltage to motor controller from Launchpad or external source If a high current motor is used other than the one supplied along with EBK one may remove JP2 and provide external voltage on pin 2 closer to DRV8837 of JP2 Note Do not exceed 7VDC external DC voltage to DRV8837 else the device may be damaged permanently Standard Setting LaunchPad Supply Short link between Pin 1 and 2 Launchpad Source B No short link between Pin 1 and 2 External Source Version 0 7 Pushkala Technologies Pvt Ltd 13 27 Educational Booster Kit User Manual Key1 and Key2 Inputs Two micro switch key inputs are provided on EBK mapped to Port1 pins P1 0 and P1 1 Refer to Schematic section for more details P1 0 pin is also mapped as Analog input pin in EBK and hence P1SEL register configuration should be considered for usage as Digital Input Following code demonstrates the usage of P1 0 as input pin f KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK KKK KAKAK KK KKK KKK KKK KKK KKK EBK Keyl Demo P1 0 as Keyl input Description RED LED glows when Keyl is pressed Default Clock Source Pushkala Technologies India www pushkala in LZ October 2012 ZZ Built witha CCS Version 5 1 1 J KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK I eA eA I AA e eA I I A kk include lt msp430G
16. r SPI PORT SPI SCE CIR SIP POS SPI SOK H A Digit Transfer for i Op lt Sp ds Activate Serial Data if conti amp 0x90 gt gt 1 SET SPI PORT SPI SDO else CLR SPI PORT SPI SDO Aetivate Serial Clock SEI SPEL PORT SPI SEK H CLR SIPIL IONS SPT SER void swDelay volatile unsigned long Delay while Delay Version 0 7 Pushkala Technologies Pvt Ltd 17 27 Educational Booster Kit User Manual Piezoelectric Buzzer A 3 3VDC activated piezoelectric buzzer is made available on EBK to provide audio output feature This buzzer is transistor driven and activated when logic 1 is written to P1 2 and deactivated when P1 2 is at logic 0 level Schematic gives more hardware insight Following code demonstrates the usage of buzzer f KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK KKK KK KKK KKK KKK KK kkk kkk kk EBK Keyl Demo P1 2 as output buzzer driver Description Buzzer beeps when Key2 is pressed Default Clock Source Pushkala Technologies India www pushkala in LZ October 2012 ZZ Bille with CCS Version 5 1 1 J KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK I A ek A I A I eA I I A I OK K include lt msp430G2231 h gt void main void WDTCTL WDTPW WDTHOLD Stop watchdog timer PIDIR amp BITI Clear PIDIR 1 to set Pl 1 as input PIREN BITI Enable pullup resistor on P1 1 PIDIR BITZ Set P1 2 as output PISEL 0x00 while 1 iit 9
17. rs Washing Machine Controller Well the list gets limited to ones imagination Version 0 7 Pushkala Technologies Pvt Ltd 6 27 Educational Booster Kit User Manual Identifying what is on EBK board Figure 3 is the top side view of LP BP WM Rev 1 1A and the accompanying legends identifies the main components on board LP BP M Revi 4A WWW pushkala in REMOVE SEAL AFTER ER WASHING EE o ke O Q pig E e s Bad AV DISZ lj PKEYL ie WA A Figure 3 Top view of LP BP WM board Version 0 7 Pushkala Technologies Pvt Ltd 7 27 Legend Educational Booster Kit User Manual Description 1 10 Pin Female Header which will snap into MSP EXP430G2 LaunchPad Micro push button switches Key 1 and Key 2 Red LED 3mm Green LED 3mm Seven Segment LED modules Serial EEPROM IC Piezoelectric Buzzer DRV8837 DC motor controller IC SICON DIA BB WDM DC motor connector eo Jumper 2 JP2 Supply Voltage to motor controller Jumper 1 JP1 Enable Disable motor controller N ADC Port Connector Version 0 7 Figure 4 Bottom view of LP_BP_WM board Pushkala Technologies Pvt Ltd 8 27 Educational Booster Kit User Manual Basic Development Setup Setting up development environment is very simple follow these steps Note Disengage P1 0 and P1 6 jumpers on MSP
18. y contact support pushkala in and report the problem Make sure your email subject is specified as EBK lt problem in short gt Version 0 7 O Pushkala Technologies Pvt Ltd 10 27 Educational Booster Kit User Manual Software Setup Compiler and Debugger There are many cross compilers available for MSP430 family of microcontrollers Tl s own solution is Code Composer Studio and you can download from Tl s website Tip You may wish to install only MSP430 development environment Note Usage of a cross compiler CCS or developing MSP430 programs in C or assembly is beyond the scope of this document Refer to Useful Information section of this document to get related information Version 0 7 O Pushkala Technologies Pvt Ltd 11 27 Educational Booster Kit User Manual First Program on EBK Developing and Debugging a simple LED toggling code Blinky EBK comes with two general purpose LEDs RED and GREEN connected to MSP430 ports P2 6 and P2 7 respectively Refer to Schematic section for details Logic 1 written to respective port pins switched on the LED and Logic 0 switches off the same following code snippet demonstrates the operation Make sure while using LEDs on Port 2 disable the multiplexed peripherals using Port2 Function Select Register P2SEL Step 1 Create Project in your favorite MSP430 compiler Step 2 Key in this code snippet in main c f KR KK RR RSA KI Ae A I KAKAK KAKA KAKAK KAKAK Kk Ck kc AKA KAKAK KAKAK
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