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  1. Hi, I needed a way to see how much of my C++ stack was being consumed in my MSP application - the traditional way is to "poison" the stack with a known pattern, and then to see how much of it gets burnt away. So I wrote the following - hope folk find it useful: The following code allows you to simply do this and to check at any point how much of the pre-allocated stack was consumed during peak usage, i.e. how close your app got to the bottom of the stack, or indeed, whether it over-ran. The TI CCS documentation is completely wrong in the names it gives for the global symbols tha
  2. So I have my MSP430 launchpad with g2553 and g2452 lying around for year now and finally have a reason to use it. I'm a total noob (I mean I programmed some assembler and C in college and know some basic stuff about MCUs but never actually put it to use), but my for my first project I've picked a tough one. That way I'll be challenged and won't get bored. So I've just bought a motherboard that only has 2 fan connectors on it, but I need at least 4 of those, so I decided to make a fan controller. I could just use some 7805s but what's the fun in that? The idea is to use the inferior msp43
  3. I'm attaching a link to github with Energia code examples for various sensors. I started this as a place to put examples for students in a course I was helping to develop for middle and high school level students using the MSP430F5529. Unfortunately the course was not held but I'm putting them out there in the hope they might help someone. Where the code has been tested with other LaunchPads I've noted it. Here it is: https://github.com/fmilburn3?tab=repositories You won't find anything sophisticated but many are at least somewhat unique in that I couldn't find a
  4. Hello, I am hoping to convert Example 09 of the Energia examples (thermistor temperature with the MSP430F5529) to entirely C language to use in Code Composer Studio - I've already used the import function to use this example in CCS and it works fine with the code given, but I'd like to re-work the example to only use C functions like main().c. Is there a simple way to do this? I'm still learning C and need the experience! Example 09 is attached for reference.EXAMPLE09_Temperature.ino
  5. Came across this while browsing. MSP430 Analog Gauge Clock
  6. Hi , I am interfacing MSP430F5529 and SIM900A using energia software. I have tried the code using Arduino Uno before and it seemed to work fine. However when I try the same with msp430 , there is no output on the serial monitor. Few days back I came to know that there is a voltage mismatch between the msp430 output and sim900 input and as suggested by few members of the thread , I am supposed to use a voltage translator to convert the 3.3V output of the Msp430 board and then apply it to sim900A module. They recommended Rs232 for this purpose . I want to know the connection that'll be requ
  7. I am interfacing LM35 and SIM900 using MSP430F5529 board . For this purpose i am using Energia software . As we all know arduino code is compatible in Energia . Hence , I have used the same code that i used in Arduino Uno . The code works fine and i get my thingspeak channel updated with every HTTP request however , when i use Energia , it doesnt show any error , neither does it show/update my thingspeak channel . I had used Pin 7 and 8 for receiving and transmitting in Arduino . In Msp430 , I have used Pin P3.4 and P3.3 for receiving and transmitting . My Energia code is as follows -
  8. In my project, I use a few basic macros for GPIO. The goal is, that I can easily redefine pin assignment in a central location without compromising performance or code size. The macros (gpiomacros.h): // MSP430 gpio macros #define GPIO_SEL(port) P ## port ## SEL #define GPIO_DIR(port) P ## port ## DIR #define GPIO_OUT(port) P ## port ## OUT #define GPIO_IN(port) P ## port ## IN #define GPIO_IS_INPUT(port,pin) { GPIO_SEL(port) &= ~(pin); GPIO_DIR(port) &= ~(pin); } #define GPIO_IS_OUTPUT(port,pin) { GPIO_SEL(port) &= ~(pin); GPIO_DIR(port) |= (pin); } #define GPIO_IS_PERIPHER
  9. Hello I have been trying to implement multiceiver on nrf24l01 and msp430g2553. Basically I am trying to use different pipes for the same rf channel. The library and the example code I am using is the spirilis one, one of the most common. The problem is that I can only work with the default pipe 0 given in the code when ever I try to use the other pipes I can't get anything. I read the datasheet about the multiceiver part, I guess I understand both the code and the working mechanism but I still can't use the different pipes. Any help would be appreciated. What I do is that; at first by usin
  10. Hello I'm have two problem with the version 18 of energia. 1.- When I try to program my msp430g2553 the IDE show the message: exec: "C:\\Users\\CORE RIKMED\\Downloads\\energia-1.6.10E18\\hardware\\tools\\msp430/bin/msp430-g++": file does not exist Error compilaci
  11. Hey dear all, I am new at the website, have been searching for the same issue but couldn't really found. I am trying to drive 2*16 lcd on msp430g2553 with code composer. http://www.instructables.com/id/16x2-LCD-interfacing-in-4-bit-mode/step2/Code-and-Connections/ I am using the library above, It actually works fine with the port connections written. What I am trying to do is I want to transform all the ports into port2. P1.0 - D4 Pin11 to P2.0 P1.1 - D5 Pin12 to P2.1 P1.2 - D6 Pin13 to P2.2
  12. Has anyone been able to find a library or had any success in making their own library for the HX711 for use with Energia. I know there is a link on Github with the header and source files for Arduino but they do not work for me. The link I'm referring to is https://github.com/bogde/HX711 Thanks for any help!
  13. hello all !! I'd been worked with MSP430G25530 target for Frequency measurment ... I have a code but, when I use the Serial.print (). nothing show up. any helps please ? my code : Freq-Measurment.ino
  14. Hi all, I have recently found a sketch in arduino forum for frequency counting, which I tried running in MSP432 with energia and MSP430 with energia sketch on Code composer studio. The sketch basically counts the frequency using interrupts and prints the frequency on serial monitor but serial monitor is empty while running the program,.The sketch is as shown below, // Frequency counter sketch, for measuring frequencies low enough to execute an interrupt for each cycle // Connect the frequency source to the INT0 pin (digital pin 2 on an Arduino Uno) volatile unsigned long firstPulseTime;
  15. Hello, Im working with TM1809 RGB LEDs on an MSP430G2553 over SPI (3-wire) data transfer. Im running into issues with timing and im not sure if its due to voltage or something else, and could really use some help. https://www.deskontrol.net/descargas/datasheets/TM1809.pdf on page 2 says that these lights require 4.5-5.5V, and i know the MSP430 is at 3.3V, is this the reason? My code below achieves the ability to set the RGB LEDs with about 95% success rate, i run into issues attempting to animate the colors or if i send it the same color over and over it will send bad data 5%
  16. Hello , I am using MSP430F5131, IAR Workbench compiler and i have purchased MSP-FET. i have successfully compiled my code in IAR Workbench , although when i try to download the program through the MSP-FET using the IAR Workbench (i have clicked on download and debbug and it has started to initialize the device) i encountered this error : Fatal error: Could not find device (or device not supported) Session aborted! Thanks in advance
  17. After making the wearable MSP430 for Halloween this year I was requested to make more for a children's dance group. I have a question, but first some background. This is the latest version: Everything works fine. I use an adapter with pogo pins to program it as shown in the photo. There are three LEDs on the PCB, a push button switch for the user, and more accessible pins than the previous version. Parts are TSSOP and 0805 SMD. Snap fasteners and stainless thread can be used to connect it to LEDs on the costume. A CR2032 coin cell is used to power it (coin cell holder is on the backsi
  18. Hello , I'm new to this field of microcontroller and i need you quick help with a new project of mine. I'm using MSP430F5131. I will explain a little about the project : My main goal is to generate a 1 pulse per second using a 12.8MHz external oscillator. I already have a printed PCB for that project which means i got to understand what the previous designer had done and implement it into my CCS program in order to program my micro controller. i am still new to this whole microcontroller world and im eager to know more , although im short in time. I have attached an electrical wiring of t
  19. Hey everyone, I'm trying to interface an MSP-EXP430FR5969 with a GPS+GSM module (https://tronixlabs.com.au/arduino/shields/3g-shield/adafruit-fona-3g-cellular-breakout-900-and-2100-mhz-for-optus-vodafone-australia/) I've been able to send a text message to my mobile using the Arduino, but when I try on Energia 1.6 with the module now plugged into the MSP430 I get compilation errors (mainly due to atof not being declared). Here's the code I am using: #include <stdlib.h> #include <stdio.h> #include "Adafruit_FONA.h" #define FONA_RX 4 #define FONA_TX 3 #define FONA_RST
  20. I'm new to the whole launchpad thing. I have an msp430 I've looked at everything I can to try and get help but I just can't seem to figure out how to get a 2 axis joysticks values and put them into the computer. I want to make a custom controller with my launchpad.
  21. Hi, I am trying to make a UART connection with a device from serial1 in MSP432. It isn't working as i cannot see anything printing on my serial monitor (I am trying to print the data stored in global variables using serial/USB). Wherein the same code works fine on MSP430 or TM4C1294 devices. I have double checked my wiring connections.. P3.2, P3.3 for RX, TX. Can anyone here help me resolve this issue or point out where im going wrong.. Please find the code below //----------------------------------------------------------------------------- // Microchip MCP39F501 Power Monitor
  22. Good morning, I'm using the latest Energia 18 build with Windows 10. I'm plugged into an MSP430 Launchpad with an MSP430G2553 chip on the board. The following code hangs on the Wire.endTransmission() statement.. Can somebody throw me a bone here and tell me how to fix this? int findAddress(int fromAddress, int toAddress) { int address = 0; for (int a = fromAddress; a < toAddress; a++) { Serial.print(a); Serial.print(" - beginTransmission.. "); Wire.beginTransmission(a); // delay(3); // Wire.write(1); Serial.print(" e
  23. Good morning. I've been using the MSP430 launchpad and programming it using Energia 18. Anyway, for the whole time I've been using Energia, it very often have to unplug and plug back in my device in order to send it another build. Have any of you seen this problem before? Sometimes it works without having to unplug the hardware, however, over 50% of the time, I have to unplug the LaunchPad in order to upload new code to it from Energia. It seems to get hung while attempting the upload. So, to overcome this, I unplug the Launchpad, click the Upload button again, usually get an
  24. I am just getting started on my development using a custom PCB and may pin out on my board is a little different then the launchpad pin out so I need to change the H file. pins_energia.h I need to access p8.0 of the MSP430F5529 and of course this pin is not used on the Launchpad so I need to add it to the h file and use it in my code. Actually I cannot find this file in the downloaded energia software. Standard C requires h files to be declared or #included. Why is energia not using an #include statement in the example c file ( ie blink project) ? How can energia properly access
  25. https://www.element14.com/community/docs/DOC-83323/l/episode-256-ben-heck-s-ti-launchpad-plant-booster-episode?ICID=BenHeck-episode-topban
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