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  1. hi I am trying to do hardware in the loop using Tiva c 123 with matlab/simulink but i got error when i try to build the model . I have embedded coder target and energia IDE, the error is I followed this video https://www.youtube.com/watch?v=ktn1UKEr87s arm-none-eabi-g++: error: tiva: No such file or directory arm-none-eabi-g++: error: c/energia-0101E0016/hardware/lm4f/cores/lm4f/lm4fcpp_blizzard.ld: No such file or directory gmake: *** [../untitled.elf] Error 1 ### Creating HTML report file untitled_codegen_rpt.html ### Build procedure for model: 'untitled' aborted due to an e
  2. Hi Everyone, I'm looking for ILI9340C library so that I can import that library in Energia and burn a program on TIVA C series. I read some of the forums on this websites but some people are using a different launchpad and some are using ILI9341 or some other LCD. I need to work with TIVA C launch pad and ILI9340. I'm using Energia. Before that I was Using Keil uVision to make some libraries for TIVA C Launchpad to work with ILI9340 but that were not that much efficient. I read some of you successfully made libraries to work with TIVA C launcpad and ILI9340 but links provided on th
  3. I have been trying to use this i2c code on energia. it works perfectly fine on arduino. i am new to tiva and need help using energia libraries with the multiple i2c ports. any help is appreciated trialEnergua.ino Adafruit_PWMServoDriver.h Adafruit_PWMServoDriver.cpp
  4. Hi all! We are using Tiva C series MCUs (TM4C1294XL and TM4C123GXL) for a project in IICDC 2019 but we are facing problems while implementing Controller Area Network protocol (CAN Protocol) using them. I've attached the basic code for sending messages via CAN protocol form one MCU to other but the problem is, it is not doing so as a message sent from one MCU is received by itself and not by other MCU in the network. We've tried using the filters as well but no progress. Any help would be really appreciated. P.S. - Do we require an extra CAN transceiver boosterpack for these modules
  5. Hi I have a Tiva C TM4C123GXL launchpad. I was wondering if the SD Card booster pack, will fit the Tiva C board? I read it had 40 pin support and had solderable jumpers. Thanks Joe
  6. Hi all, I have a PID algorithm written on TIVA C TM4C123G . I want to setup a PIL simulation with Simulink. Simulink will send the error signal to TIVA, the PID will calculate the control signal and send it back to Simulink. How can I link the TIVA C "TM4C123GH6PM" Launchpad with Simulink and send/receive data in PIL setup? any help ?? Thanks
  7. I have a tm4c129 board. I have installed updates form the board manager for the TIVA C so now I can upload the default examples form Energia. 1. Problem arises when I try to add custom libraries. What is the correct method to add a library? 2. I can find only MSP430 folder at location E:\..\energia-1.6.10E18\hardware\energia , I suppose all boards installed should show up in the hardware library. 3. I have included the library which I am trying to compile Error: WARNING: Category '' in library SD is not valid. Setting to 'Uncategorized' Missing 'mainta
  8. Hello, I recently ported over an Energia sketch that had working WiFi functionality in order to help with remote logging for a project I'm working on. The WiFi works well, but now the CCS code that was handling the ADC interrupts and measuring data is no longer functioning. If possible, I would like to make minimal changes to the CCS code as it was working exactly as we desired. I feel like there must be a relatively simple fix that I'm missing but I can't seem to figure it out. Can someone please help figure out what's wrong the ADC interrupt in the following code? #include <st
  9. Hello everyone.. I am beginner with Energia. I have Tiva C series launchpad which features TM4C123G series microcontroller. Now this microcontroller has 8 UARTs. I have tested basic serial communication using energia and it works perfectly fine. Now i want to use UART module 3 of this microcontroller which is pin no 13 and 14 (PC6 and PC7). So how can i do this using Energia..?? Thank you.
  10. Hello all !! I have a question about my TIVA board: What is the range of frequencies that we can get for the PWM, taking into account the possibilities of "clock division" and the "number of bits"? I ask you if in case we had to measure a resonator with the PWM as a generator (at 50% duty cycle). regards
  11. hello People !! I have traying to upload this code (see below) in Tiva C LP with CC2530 AIR MODULE. I have this errors, someone gives me some help please. " I have libreries in order and all" Issues: C:\Users\Myriam\Documents\Energia\libraries\SPI\SPI.cpp: In member function 'void SPIClass::begin()': C:\Users\Myriam\Documents\Energia\libraries\SPI\SPI.cpp:207:55: error: invalid conversion from 'long unsigned int*' to 'uint32_t* {aka unsigned int*}' [-fpermissive] while(ROM_SSIDataGetNonBlocking(SSIBASE, &initialData));
  12. Hello Guys, Iam starting to learn embedded systems with Tiva C board. I have issue in understanding simple code below this is part of the code input = GPIOPinRead(GPIO_PORTF_BASE, GPIO_PIN_4); GPIOPinWrite(GPIO_PORTF_BASE, GPIO_PIN_1 , input); PIN4 connected to switch and pin connected to led. It shall take the switch value and show it on the led but it doesn't work. Someone suggested to write the same code with the below if condition and it worked but I don't understand why the above code doesn't work. if(GPIOPinRead(GPIO_PORTF_BASE, GPIO_PIN_4 ) == GPIO_PIN_4) { GPIOPin
  13. Hi!, I'm try to connect tm4c123gxl with esp8266: esp8266 tm4c GND GND VCC +3.3V CH_PD +3.3V Rx PD7 (Tx 2) Tx PD6 (Rx 2) I tested with "AT" command, if it's success, it will return "OK". Here is my code: void setup() { Serial2.begin(115200); Serial.begin(9600); Serial2.write("AT"); } //------------------------------------------------------------ void loop() { while (Serial2.available()){ char result = Serial2.read(); Serial.print("Serial2 result:\t"); Serial.print(result); Serial.print
  14. Hello ! I'm a student, I wonder if tm4c123gxl can write firmware to esp8266, because I see tm4c has Tx and Rx pins, or I have to buy a USB to TTL ? Here is my firmware I want to flash to esp8266 https://github.com/tuanpmt/esp_mqtt Thank you very much
  15. Fmilburn

    FFT

    I was inspired a while back by the simplicity of the FFT application written by Shane Ormond and featured on the 43oh blog. It was easy to duplicate and I've made a few changes, additions, and such that seemed worth documenting. I didn't have a signal generator other than the 1kHz square wave on my oscilloscope and some clunky code that I wrote for a microcontroller so I ordered an inexpensive AD9850 and hooked it up to a FR6989 LP so I could use the LCD to display frequency. I've been pleased with the AD9850 and it is hard to beat it for the price. The sine wave is more than sufficient
  16. I want to resend each character from one UART port to another. Hardware: Lauchpad TivaC EK-TM4C123GXL. First port is the default port that is connected to microUSB on the board. The second port is UART2 (Rx = PD6; Tx = PD7) connected to DB9 through MAX3232:. Power is VBUS - GND. DB9 is now connected to computer through RS232-USB adapter. I communicate with 1st serial port through serial monitor in Energia (ttyACM0). I communicate with 2nd serial port through serial terminal in Linux (ttyUSB0). Code is very simple: void setup() { // initialize ports: Serial.begin(9600); //connecte
  17. My (crazy) project is getting closer to completion so time to start a project topic. I have verified my Tiva C based controller design and are now waiting for PCBs - will arrive from China in a few days. My background is from Radio/TV servicing and medical electronics, but for the last 25 years I have mainly been working on a large database application written in OpenEdge. Two years ago my preamp that I made some 30 years ago started to fail due to the rubber based switches rotting (a bit like my brain these days...). Since I did not want to buy one I decided to make a new - again with no
  18. From the tm4c1294, I thought I remembered only seeing 8 PWM pins, yet the Energia picture (http://energia.nu/wordpress/wp-content/uploads/2014/06/LaunchPads-LM4F-TM4C-%E2%80%94-Pins-Maps-13-34.jpeg) shows quite a bit more than that. Can you really get PWM on every pin marked for PWM on the Energia diagram, or is it a case of all of the pins marked being PWM capable but only get PWM on 8 of them?
  19. Please, How to use the ADC Sample Averaging Control (ADCSAC) of TIVA C EK-TM4C123GXL with Energia? I need to increase the amount of reading by sampling. Thanks
  20. 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 ^------------------------------------------------------------------------------
  21. I am developing data acquisition using TM4C123GXL with Energia. I able to acquire signal of 20hz even my ADC has sampling rate of 1M/s. I need suggestion regarding how to increase acqusition bandwidth(higher range frequency)....
  22. I have Keil uVision version 4. I would like to configure it so that I can compile C++ code as well. I believe I can only compile C at the moment. Can anyone help with that? Thanks
  23. hello, i'm new here, and i want to know how to use PLL to change the tiva C systeme clock frequency? thanks
  24. Hello, I have a question regarding communication between my Tiva C EK-TM4C123GXL lauchpad and a generic SD Card breakout board. Using: Energia 0101E0013 Windows 8.1 SD Library (SD_TM4C) 4 GB FujiFilm SD card I CAN get the ReadWrite demo program in the SD library to work sucessfully by wiring everything up according to the 1-page pinout diagram that came with my board for the SPI bus. Hardware wiring (SD breakout --> Launchpad): SDCS --> J2.9 / PA3 / 12 MOSI --> J2.6 / PB7 / 15 SCK --> J1.7 / PB4 / 7 MISO --> J2.7 / PB6 / 14 And th
  25. I'm using a Tiva C series TM4C123G and I need to write 2 arrays of about 30000 places each, and this can't be done on the RAM memory so I was wondering if I could use the Flash memory instead. Is there a better way to solve this problem? And does anybody have a piece of code showing how to assign a array to the flash memory? On the same matter, I will need to ADC sample between 10khz and 15Khz, is there enough time to write to the flash memory? My clock is set to 80Mhz.
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