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  1. Hi, I am trying to use Energia with EK-TM4C1294XL, but I am unable to install the right LaunchPad board on Energia. I downloaded the proper driver usinghttp://energia.nu/guide/guide_windows/and downloaded Energia for Windows using http://energia.nu/download/. As a point of reference, my computer is Windows 64 bit. I then usedhttp://energia.nu/guide/boards/ to install the right LaunchPad board, but I am receiving the following error message shown below. I tried all troubleshooting suggestions on the links provided, but I can’t seem to find a solution to my problem. Can you help me determin
  2. I am using TM4C123GXL and for some reason I am getting garbage values when I try to read the values from PB1 pin. I flashed this simple code to test the UART: void setup() { // initialize ports: Serial.begin(115200); //connected with USB } void loop() { Serial.print("E"); delay(200); } But instead of 'E' I see these garbage values: ;����������� I am reading using the same 115200 baud rate. What am I doing wrong? May be I do not flash the code correctly? I simply put the device into DEBUG mode and connect to my Ubuntu PC using the top micro USB port (red LE
  3. I am running the following code in EK-TM4C1294XL Launchpad.The program gets downloaded successfully and I am able to see the published messages in the MQTT BOX application.But when I download the same program in another launchpad and try to run both at the same time , one launchpad stopped sending data.How to run two MQTT publishers publishing to same topic .Is there any changes required in the code? Thanks #define MQTTCLIENT_QOS2 1 #include <SPI.h> #include <Ethernet.h> #include <EthernetStack.h> #include <Countdown.h> #include &l
  4. Part Number: TM4C123GH6PM Tool/software: Energia 1.6.10E18 LaunchPad board name and version: TIVA TM4C123GH6PM IDE version: Energia 1.6.10E18 or CCS7.0 OS name and version: Windows7 While uploading a simple LED Blink code on Tiva TM4C123GH6PMevaluation board, I get an error "Failed: Unable to find an entry in the TPI ini file for "TMS470REX"", failing to upload to the device. Please help!
  5. I have recently been working on a CNC BoosterPack that I will make available on Github when completed later in the spring. Current specifications: Support for my HALified version of GRBL (based on 1.1), currently drivers has been made for MSP432 (black version), Tiva C and MSP430F2955. NOTE: firmware is built with CCS 6.1, MSP432 driver is 100% CMSIS based. Opto-coupled inputs, NC switches recommended. Opto-coupled outputs with 200mA open drain drive for spindle on, spindle direction, flood and mist. Can drive most relays and solenoids directly. Outpu
  6. Hello it looks like I bumped into an issue which might be of interest, and needs to be investigated. I have a string of I2C devices running on i2C Bus on Arduino Mega (MCP4531 potti, LM-75 Temp sensor, 2x PCF 8575 I/Expanders). All running smooth. The next step I had to exchange the Mega with Tiva Stellaris Launchpad (EK-TM4C129E ), which I did, I havent changed anything on the setup besides the Mega2560 with Launchpad. While running the i2C scanner I saw, full Bus of devives. Furthermore I changed the i2C modules (0,1,2 with setModule()) nothing changed, same issue persists. Pull-ups var
  7. Hello all! So, this is happening on BOTH my Ubuntu 16.04 AND Windows 8.1 systems. This is for a TM4C1294NCPDT. To reduce potential variables, I've reverted to using the EK-TM4C1294XL Development Board. To reproduce: Fresh install of CCSv7.1, Fresh install of Energia 18. Open CCSv7, Create a new workspace, select 'Project > New Energia Sketch', Energia Version set to 18, select 'Built-in Examples > 01.Basics > Blink.ino', selected device: 'LaunchPad (Tiva C) w/ tm4c129 (120MHz), select 'Finish'. Right Click 'Blink" project in the Project Explorer, select "Build Pr
  8. Where are the files related to compiler for arm cortex or tiva in energia in the latest version? It used to be under hardware/tools/lm4f/bin
  9. Hi to all out there, I've started development on the Tiva TM4C platform using the very nice LaunchPad two years ago. Since then I had so much fun to create cool applications and even complete systems based on that awesome low cost Ecosystem . During my projects I realized that there is not really a BoosterPack that turns the LaunchPad into a modern audio player/recorder. Because of that I've started to develop a BoosterPack named BoostMP3 that will enable any LaunchPad to work as a cool multipurpose audio device. For that I've created the following little lading website that gives a short
  10. Hello everybody, I just bought the TIVA TM4C1294XL because of its functionalities, however, I tried to connect my TIVA to a router (with DHCP enable), and my PC to the same router. Then I used a IP Scan software trying to find the TIVA's IP Address, but I couldn't. How do I set up a IP for TIVA? Or how to I search for the TIVA's IP Address? Thank you.
  11. 0down votefavorite Hi, I am trying to implement Modbus TCP on TIVA 1294 using the following code. I am using a modbus slave simulator on a pc to check the following code. However, the code doesn't seem to be working. I have downloaded the code & the libraries fromhttp://myarduinoprojects.com/modbus.html. Please suggest me corrections if necessary. Also is there another working example available for modbus tcp/ip for ethernet on TIVA energia? Please guide. #include <SPI.h> #include <Ethernet.h> #include "MgsModbus.h" MgsModbus Mb; int inByte = 0; // incoming seri
  12. Hi, I want to implement a code for Modbus RTU over TCP/IP usng TM4C1294NCPDT launchpad. Does anyone know a library which can be used to implement it. Also is it possible to obtain data from a PLC using modbus TCP/IP and send it to a Server on cloud using the same ethernet port? Please help. Thanks.
  13. Is there a way to use the SoftwareSerial library on the Stellaris Launchpad TM4C123GXL board? I am trying to connect a Sparkfun serial enabled LCD screen to the board but the SoftwareSerial library is only compatible with 20, 16, and 8 MHz processors, and the TM4C123GXL is an 80 MHz chip. How can I use this LCD screen with the Stellaris Launchpad over a UART connection? Do I need to use SoftwareSerial or can I do without it? I am programming in Energia 0101E0017 on Windows 7 64 bit. Any help is greatly appreciated, thanks!
  14. Hi, Can someone help me to implement an internal RTC module code in TIVA TM4C1294NCPDT using Energia? Thanks.
  15. Hi, I am not from the field of IT and do not know how to design webpages. I want to design a webpage/dashboard for real time monitoring of remote data using Tiva. I have referred freeboard.io and few other resources, but I am unable to find any customizable dashboard which has user management and alert facilities. Can anyone suggest me some tool with which I can design my own website/dashboard for IOT (drag-drop preferably)? Thanks.
  16. I am uploading the fade example of energia to the tiva t4mc1294 connected launchpad but the LED is not fading. It is just blinking. I have also connected the pwm output to motor drivers but the speed of the motors are not changing. When I check the voltage of the pin with my multimeter, I get 0.66v. I have tried the fade example on different pins like PF2, PF3(pins marked for analogWrite in launchpad reference) but the results are same. Here is the code for the fade example, given as reference. int brightness = 0; // how bright the LED is int fadeAmount = 5; // how many points to f
  17. Hi, I want to build a code for two TIVA lauchpads so as to form a redundant pair. If Launchpad 1 fails, then the logic should shift to Launchpad 2 where both launchpads have the same logic. How do I go about it? Any insights would be helpful.
  18. Can someone provide a code for implementing a watchdog timer to autoreset in TIVA TM4C1294ncpdt using energia?
  19. I have experience with the traditional C programming in Code Composer and have implemented a timer interrupt routine in CCS for TIVA TM4C1294, now I want to create a timer ISR in Energia, how do I proceed ?
  20. I am using the Modbus RTU library for Arduino for TIVA TM4c1294ncpdt. Slave(Modbus_Slave Software on PC) is responding to master request but master somekind does not proccess informations that he gets. So I can not regulate LED on master side over potentiometer on slave side. Also master stops sending request to slave after 10 requests sended to slave (when retry_count is set to 5). Problem is: 1) master send request to slave, 2) slave gets request 3) slave process request, 4) slave returns answer to master 5) master gets answer 6) master do not process slave answer After 5 reques
  21. I'm using a Tiva C series launchpad (TM4C123G) to sample analog data using an external ADC (ADC0804). The ADC is clocked at 1.4MHz. The SysCtlClockSet command was used to set clock freq to 80MHz. A square wave is being generated on a pin, with a frequency same as the sampling rate, using the code given below. So this gives us the sampling rate on an oscilloscope. For some reason the sampling rate is TOO low. It is only ~330KHz with NO command in the loop. It drops to about ~280KHz with one digitalRead and to just a few hundred Hz with a SerialPrintln(). What is causing it to run so slow
  22. Hi, Is there a library available for Exosite and TIVA launchpad in Energia, similar to the qs_iot sample used in CCS IDE? Thanks, TVG
  23. Pardon folks, Right now I'm working on a project that requires aid from tiva's hardware timers for me to schedule everything properly. For this, I imported some of tivaware's API library in to manipulate them. Everything works more or less fine until I have to import energia.h into this little library I've written, and then suddenly I encounter a large amount of errors involving objects and types in energia/bin not being recognized by the compiler. Some samples below: /home/mrdtdev/Bin/Energia/energia-0101E0016/hardware/lm4f/cores/lm4f/driverlib/timer.h:259:8: error: 'uint64_t' do
  24. Good morning. I have a DS3231 and I want do hibernate Tiva C and wake up It with the rtc alarm. I did the alarm configuration, but, I couldn't configurate the hibernation module using Energia IDE. The microcontroller will has some sensors and sd card. So, It has a cycle: wake up (with rtc alarm) > read the sensors > write the data > hibernate ^------------------------------------------------------------------------------
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