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  1. Hello everyone. I am a beginner with the MSP430 and need help. I am using MSP430G2452 launchpad and another MSP430G2452 which is on a breadboard. I really just need help getting started. I hooked UART between the two and supplied both with voltages, is this the correct way to set it up or am I missing something? How is the J3 configuration supposed to be? Also, I do not know where to go with the coding. How do I program a simple LED on the breadboard from the second MSP430? Thank you so much in advance!!
  2. Hello, I am having big troubles with running I2C on my stellarpad. I am total noob to this topic so i want to ask if anyone can explain it. I have found that Stellarpad has 4 chanells. I have got some questions. 1. How to wire an I2C device properly. Do i need pullup resistors or should i use pinMode on INPUT_PULLUP ? 2. How i can ensure that i connected the device properly ? I tried I2C scanner from arduino webside, but I always recieve message device found on each adress, with nothing connected to board. Here is the I2C scanner code : // -----------------------------------
  3. Hi! I am new to here. Several months ago I got a Launchpad with two chips 2553 & 2452 inside the box. I am really enjoying it except one thing: They have no LCD driver. Considering an external LCD module will bring terrible power consumption, I wonder if I can drive a simple 3 1/2 digits 7 segments LCD with very little power consumption. After searching the internet I found Maxim's 4 digits decoder ICM7211 might be a choice, but it is hard to access and so expensive that I cannot accept. Another choice is to use BCD to 7 segments decoder, finally I found 4543 BCD to 7 segments decoder
  4. Hi guys! I'm trying to use energia for a simple TX/RX with cc1101 and launchpad + msp430g2452, but i don't know how to use spi to comunicate cc1101 with msp430 in energia interface... can sombody help me? I'am using: Energia 0101E0011 windows 7 (64 bits)
  5. Hey guys. I recently got a Launch pad -- MSP430G2 board ( Rev B ) [only the board and the USB cable from a friend]. I downloaded Energia for my Mac running OS X 10.9. [maverics]. Though the Power LED lights up, the board is not recognised by the IDE. I don't know if the problem is with the board, the cable or the IDE. Though the board was detected for a short period of time and I was able to just uplaod the Blink sketch into it. Now when I connect to a USB power or my MAC, led1 just keeps blinking. I am unable to program it. I hope you guys can help me spot the problem so that I ca
  6. I had a few of these "protoplates" made-- I fell in love with the one from AdaFruit for the BeagleBone and really wanted one for the LaunchPad and had some made. (I have to thank Bart, if he's on here, for really making my first Ponoko trial-run so smooth). So here is where you can order the sheet. It's 14 total plates on the Plastic- Acrylic- Clear- 3mm- P3 sized sheet, which comes out to be about 3.50 for each plate- total about 46.50 (Bart had free shipping since he's a regular user at Ponoko). I'm sure there is a more efficient way to arrange these to get more on th
  7. Hello, I tried to use my MSP430G2553 launchpad with a keypad (https://www.sparkfun.com/products/8653) using http://www.pjrc.com/teensy/td_libs_Keypad.html http://bildr.org/2011/05/arduino-keypad/ http://www.instructables.com/id/Using-the-sparkfun-12-Button-keypad-with-the-ardu/ http://www.ti.com/lit/an/slaa139/slaa139.pdf (i just tried schematic with Energia code) http://little-scale.blogspot.com/2011/10/how-to-connect-keypad-to-arduino-simple.html (prints blank lines in same row , buttons doesn't work except 2,5,8,0 and they print "y") #include <Keypad.h> const byte ROWS = 4; //
  8. Hello, I am trying to interface my MSP430G2553 launchpad with an LCD (http://www.winstar.com.tw/UserFiles/ProductImages/12523136510757108108.jpg) but my characters look weird. I am using http://www.fibidi.com/arduino-lcd-16x2-characters/ with one potentiometer , with changing ports like this: #include <LiquidCrystal.h> // initialize the library with the numbers of the interface pins //LiquidCrystal lcd(8,9,4,5,6,7); LiquidCrystal lcd(P2_4,P2_5,P2_0,P2_1,P2_2,P2_3); void setup() { lcd.begin(16,2); lcd.setCursor(0,0); lcd.print("Hel
  9. RobG

    MSP430 Xmas

    This year, LaunchPad has a very special assignment during the holidays - to control our Xmas tree lights. So far, more than 20 different sequences are programmed into G2553. Piano pedal connected to LP allows easy selection. Finally, my wife can have Xmas lights she likes, one day white, another day warm colors, then maybe little strobe light here and there, and so on. There are 100 WS2811 pixels on the tree (those lights look much, much better in real life) (You can see LP right above the train, tiny green light.) MSP430 is also used to power my 10W RGB flood lights.
  10. When the Launchpad was quite new, TI published an Launchpad update program that would make it work with new (at the time) microcontrollers. But sometimes, the update failed, leaving me and others with a useless launchpad. http://processors.wiki.ti.com/index.php/MSP430_LaunchPad_Firmware_Update (BEWARE!) This has been discussed here (43oh.com) and elsewhere http://e2e.ti.com/support/microcontrollers/msp43016-bit_ultra-low_power_mcus/f/166/p/97931/346074.aspx#346074 and someone in that thread was kind enough to backup his/her Launchpad's firmware: http://e2e.ti.com/cfs-file.ashx/__key
  11. Hi all well I got a problem with my Serial comunication, when I conect my launchpad with the jumpers in the default (software uart position) parallel like: || || || || almost everything works ok, i can programm my launchpad with energia I can see the Serial port is right But when i try to test the serial comunication with de serial monitor it can not send anything or recieve. then I desconect and change the jumpers for a Hardware UART like: = || || || then i conect my launchpad and i can not see my serialport name on energia and can not open the serial monitor. Im work
  12. So you now build all of your projects on breadboard, and the Launchpad just gets used as a progammer/debugger adaptor. The 20 pin DIP socket gahters dust. I have put this to use by writing a SPI-UART adaptor that runs on a 2553 in the DIP socket, while using the Launchpad to debug my project. The project code can thus output console data using a bit-banged SPI output. This only consumes port pins, no timers or UARTS, and is not timing-critical, as the data output is synchronous. This shows how you would use it: ... and here it is on my desk... Code is at https://github.com
  13. A Retro Style Basic Computer Description The EZ430trainer system turns the low-cost TI LaunchPad into a microcontroller trainer via simple hardware and software enrichments. The EZ430trainer is made up of a . TI LaunchPad, w/ msp430g2553 mcu . A "Paradiso UI Shield", adding basic I/O capabilites. . A "Eztrainer Monitor" firmware, providing monitor and assembler capabilites. The intention of the EZ430trainer is to bring in a "low-cost" computer training system that resembles the 1st generation hobby based microprocessor syste
  14. I'm working on a project that should end up with a nice etched F5529 board, but for now it's going to just have a Launchpad stuck in there, I needed a quick enclosure for it so knocked up an adjustable one in OpenSCAD. I know a few people have (or are thinking about) a 3D printer so thought I'd share. It allows you to adjust the space on any side of the LaunchPad for anything else you want to include. It could do with some improvements - e.g the little locating pins are easy to snap off. Feel free to amend if the SCAD file if the available adjustments don't suit you. Here's a photo of
  15. I would like to use COOCOX compiler with Stellaris and Tiva Launchpad. I would like to get sme sample projects or guidelines to develop the hello world, usb, serial interface to use for the Stellaris and Tiva Launchpads. Also what flash interface can I use?
  16. Hi there! I'm Lurigo, an electronic engineering student and an artist in his free time. I spend most of my time drawing and programming when I'm not busy with my studies. Also got an interest in music, so I hope to combine that with my interest in electronics. I've worked with TI's MSP430 Launchpad, and recently acquired the C2000 and Stellaris. Happen to have a TI Chronos too. I also have some experience with PIC MCUs as well. While I'm not able to do anything impressive with them yet, I'm always learning new things, whether it's on my own, or at my university.
  17. Hi, I have a MSP-EXP430G2 Rev. 1.4 with ....G2231 installed. I have disconnected the on-board emulator supply by removing the J3-VCC jumper. All info on the web and TI literature that I have found so far state that to power up the MCU, I must provide a 47K pull up from RST to VCC (3.6V). The schematic for the Launchpad indicates that the pull up is actually on the board already. Whether I assume that the on-board pull up is really there or connect my own external resistor, the mcu will not power up and begin execution. The only thing that seems to work is to tie RST directly to VCC.
  18. Buy @ The 43oh Store. So I got a couple samples of the F5172 (has 5V-tolerant I/Os, 32KB flash + 2KB SRAM, Timer_D can run up to 256MHz with FLL) this past summer and had nothing to do with them. Original idea was to make an Arduino-variant since it has around 12 5V-tolerant I/Os, but I decided against that when I first read about TI's 40-pin XL standard. EDIT: Link to newest revision of this design: http://forum.43oh.com/topic/2828-msp430f5172-launchpad-xl/page-4#entry31194 Between last night and this morning I did some marathon CAD, and came up with my F5172 LaunchPad. Let m
  19. I'm trying to control a hexapod, 18 servos, no other sensors for now, using the matlab/simulink interface and a launchpad. Has anyone done this that may know of a beginner walk through for like a robtic arm, or a simple rolling bot? I've already done a simple one using Arduino, but I'm fond of the Launchpad.
  20. Another quick experiment w/ the CircuitCo Educational BoosterPack. Measures capacitance (< 1nF) and inductance using LC tank frequency measuring method. Measures capacitance (> 1nF) with time-to-charge method. Measures (or rather attempts to measure) capacitor ESR values by pulse injecting currents through capacitors. Bare minimal component count, experimental hookup. I called this a "Meter Template" instead of a "Meter" as I consider this hookup as a base to develop a "Full" meter. There are quite a few things "missing" when compare w/ other common designs you can find on the
  21. Hello, Lastly I have whipped up a state machine based protocol for sending small frames using 9-bit address mode. Ft232rl, wrapped up in the MMusb232rl board, doesn't support this mode directly, so I am leaning on changing the parity bit to mark or space to simulate the address bit on the PC side. Everything works as a charm when I single step the program on the PC. Just on a sidenote, this program is coded in Qt using QtSerialPort. However, when I let the program run as it normally would in a production environment, the uC only receives several bytes out of the whole packet. I have observed
  22. Hello! I'm back with another sad question. Simple question though. Now that I seem to have a working UART interface, I have been wondering how to connect a launchpad to a GUI. I would like to write this in C#. I have the concept that it would be serial communication, so the launchpad would be the "Master" and the outside program would be considered the "Slave" right? How does one go about something as simple as this? I know how to simply create a serial port program in c#, I just seem to not understand how to set the LaunchPad up as the master. Does that make sense? It seem
  23. https://estore.ti.com/ek-tm4c123gxl-cc3000boost.aspx https://estore.ti.com/msp-exp430g2-cc3000boost.aspx Looks like bundle is cheaper than buying 2 separately
  24. Hi, I have a Launchpad Rev1.4 and had ordered a few samples of MSP430G2553 from TI. I am not being able to program the 2553 with energia. It gives me back the following errors: Erasing... tilib: MSP430_Erase: Could not read device memory (error = 6) ihex: error on line 37 tilib: MSP430_Run: Could not read Enhanced Emulation Module register (error = 20) I have cross-jumped my RX/TX wires as suggested on this page https://github.com/energia/Energia/wiki/Hardware. However I am still not able to program it. Currently I wish to send the simple blink example to it which is as follows
  25. Hello MSP430 coders once again i am working on the latest thing such as take input from the Hyper terminal or Putty, and display it in jhd162a (16x2 display) via MSP430G2231 I successfully finished 1. UART with Hyper-terminal 2. Displaying String to JHD162A the problem i am facing in g2231 is .. i am able to print String only like .............taking example printf("Hello this is launchpad"); but i want to make it print like int i = 0; for(i=o;i<=200;i++) ( printf("The number is : %d ", i); ) i am giving you scenario so i take the printf Example ..
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