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  1. 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.
  2. 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
  3. Buy: The 43oh Store or Rob's Tindie Store. The newest version of the Ethernet BoosterPack is based on the newest chip from WIZnet, W5500. P1.5 - SCLK P1.6 - MISO P1.7 - MOSI P2.3 - /CS P2.4 - /INT P2.5 - /RST Configuration jumpers are on the bottom, PMODE1-PMODE3, LINK LED, and ACT LED. LED jumpers control which LEDs are used, on board or socket. Available on Tindie.
  4. 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
  5. 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
  6. 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.
  7. 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.
  8. 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?
  9. 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.
  10. 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
  11. 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
  12. hi guys, i am new here. i am a linux user, so i have my inhibitions of going back to windows just so that this kit could work as i beleive it is very much possible in windows too. so the thing is.. i used CCSv5.2 to make a blinking LED Project and used the 'debug' option to get the code into the device. my device is msp430 Launchpad. the error message is as folows. //------------------------------------------ Error initializing emulator: No USB FET was found //------------------------------------------ to look into things i disconnected the Launchpad f
  13. When I run mspdebug from the command line I get this failure: ____ Microsoft Windows [Version 6.0.6002] Copyright © 2006 Microsoft Corporation. All rights reserved. C:\Users\Mark>mspdebug You need to specify a driver. Try --help for a list. C:\Users\Mark>mspdebug rf2500 MSPDebug version 0.20 - debugging tool for MSP430 MCUs Copyright © 2009-2012 Daniel Beer <dlbeer@gmail.com> This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. rf2500: failed to open RF2500 device. ____ But mspdebu
  14. 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 : // -----------------------------------
  15. Hi, i am having problem with running I2C on stellaris launchpad. I am using this code but i get message device found from each adress, can someone explain me how it works and how should i connect it ? Thanks. Here is the code : // -------------------------------------- // i2c_scanner // // Version 1 // This program (or code that looks like it) // can be found in many places. // For example on the Arduino.cc forum. // The original author is not know. // Version 2, Juni 2012, Using Arduino 1.0.1 // Adapted to be as simple as possible by Arduino.cc user Krodal // Version
  16. 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
  17. 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
  18. 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
  19. I have a launchpad V1.4 and V1.5. I am sending serial data from the launchpad at 9600 baud and using a FT232 and Putty to decode the serial data. However, the serial communication does not work at a baud rate of 9600. I have to set the baud rate in Putty to 4800 in order to get it to work. Somehow the launchpad reverts the baud rate back to 4800. If I set the bad rate on the Launchpad and Putty to 2400 or 4800, all works fine. Only 9600 and higher that does not work. Having the same problem when using TimerSerial.h. The jumper settings on both Launchpads are correct. Being fairly new
  20. Hi everybody, im new at this forum ant i love energia, a simple and fast ide for develope with the msp430 lauchpad. i have a question, its possible to make a bidirectional communication from lauchpad to pc using energia and matlab? anybody can explain to me how ca i do this?? thanks =)
  21. I figured you guys might be interested in some of my tinkering with the Launchpad. Hopefully by putting a few of my projects up here it will also keep me accountable for finishing them. This is one a cobbled together a few months ago. It's been up on the MCU projects page on E2E, so you might have already seen it: http://e2e.ti.com/group/microcontrollerprojects/m/msp430microcontrollerprojects/664670.aspx PROJECT OVERVIEW The Vetinari clock is from a book series known as Discworld, where Lord Verinari has a clock in his waiting room which has an irregular tick. The idea of the clo
  22. Hi All, I got fed up with male headers on the LaunchPad, so I made up a small PCB to gender change the LaunchPad. It has the nice side effect that it is easy to switch my LaunchPad among different projects. Check it out https://analog10.com/posts/000_switchpad.html Thanks, Dave
  23. I have the LM4F120 Stellaris Launchpad and was wondering if it was possible to have a single USB connection (either the debug or device port on my launchpad) function simultaneously as a UART serial connect but also connect to my computer as a mass storage device? Is this at all possible? How would I go about it? Maybe I'm going about this wrong but basically what I am wishing to do is to be able to access files on an SD card that is attached to my launchpad on my computer. I simultaneously would like to be able to send messages to/from the board from the computer. Is there a good way of
  24. I have been studying the schematics for the Stellaris Launchpad. Having troubles tracking down a few of the headers. There are a number of header pins listed by number on the schematic (e.g. H14, H15) with no corresponding label on the board. Most of the pins I have figured out where the header is by what signal it carries, but header H15 is illusive. Schematic shows that it is connected to pin PD3 on the ICDI controller (U2A - the other LM4F120). No indication given in the schematic what function it has. Have not found it labeled on the board. May have to do process of e
  25. 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
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