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Found 538 results

  1. i try to use this example but nothing happened // Wire Slave Sender // by Nicholas Zambetti <http://www.zambetti.com> // Demonstrates use of the Wire library // Sends data as an I2C/TWI slave device // Refer to the "Wire Master Reader" example for use with this // Created 29 March 2006 // This example code is in the public domain. #include <Wire.h> void setup() { Wire.setModule(0); Wire.begin(2); // join i2c bus with address #2 Wire.onRequest(requestEvent); // register event } void loop() { delay(100); } // function that executes whenever data is requested by master // this function is registered as an event, see setup() void requestEvent() { Wire.write("hello "); // respond with message of 6 bytes // as expected by master } and this one // Wire Master Reader // by Nicholas Zambetti <http://www.zambetti.com> // Demonstrates use of the Wire library // Reads data from an I2C/TWI slave device // Refer to the "Wire Slave Sender" example for use with this // Created 29 March 2006 // This example code is in the public domain. #include <Wire.h> void setup() { Wire.setModule(0); Wire.begin(); // join i2c bus (address optional for master) Serial.begin(9600); // start serial for output } void loop() { Wire.requestFrom(2, 6); // request 6 bytes from slave device #2 while(Wire.available()) // slave may send less than requested { char c = Wire.read(); // receive a byte as character Serial.print(c); // print the character } delay(500); } with this pin thank you
  2. Hello,. My idea is about connecting two CC3200 without a separate WiFi router like with their own like for example share it app which connects two devices using wifi one device with hotspot and one connected to that hotspot and share data.Is it possible to do that? As my idea is to share short text data between devices. using energia I want to continuously send/receive data between 2 cc3200 without any other modem unit or with another cc3200 which will be an access point between 2 of them. Is this possible ? If so , where should i begin? cc3200 (unit a) <-------> cc3200 (unit b) or cc3200 (unit a) <------via cc3200 (as AP) -------> cc3200 (unit b) Thank you
  3. Hello everyone! I need editing Energia Library for more flexebility. For example, the msp430 launchpad only have one UART available if i use Energia. How can i configure other UARTs? I need at least 3 UART and I know that TivaCTM4C1294XL have 4 UARTs. Also I need an option for add a parity bit for serial communication. Thank you so much! Gino
  4. johnsondavies

    Lisp for the MSP430 FR6989 LaunchPad

    My Lisp interpreter for microcontrollers, uLisp, now supports the MSP430 FR6989 LaunchPad board, with the ability to write text to the LCD display from Lisp programs: For more information see uLisp for the MSP430 FR6989 LaunchPad.
  5. hello, Im trying to interface a 2 inch rgb LCD display with ST7789v lcd driver im using the ucglib library for this i get a few errors stating not been declared need assistance with this please. I attached the library used and the screen shot. ucglib-master_editted.zip
  6. Hi, I have got a hc-05 Bluetooth module, an MSP-EXP430FR4133 board. Now I want to connect them with my computer. However, even I successfully send data from my computer to control the MSP430, it cannot send data back. Can someone tell me what I can do? Here is my code. By the way, I'm using energia for it and set my HC-05 as a slave module. _________________________________________________ // most launchpads have a red LED #define LED RED_LED //see pins_energia.h for more LED definitions //#define LED GREEN_LED void setup() { Serial.begin(9600); /* Define baud rate for serial communication */ pinMode(LED, OUTPUT); } void loop() { if (Serial.available()>0) /* If data is available on serial port */ { char state = Serial.read(); /* Data received from bluetooth */ if (state == '0') { digitalWrite(LED, HIGH); Serial.write("LED turned ON"); state=0; } else if (state == '1') { digitalWrite(LED, LOW); Serial.write("LED turned OFF"); state=0; } } ----------------------------------------------------------------------------------------------------------------------- Waiting for replay! Thank you Kelly
  7. What I'm trying to do: We have been developing a project for school on a MSP430F5529 LaunchPad. We now want to move our project to a custom PCB for the final part. My partner has been using the UCB0 SPI module available through the LaunchPad to communicate to a sensor while I have been separately (as in a completely different sketch) using the same module to run the CC3100MODBOOST Boosterpack. Because no one on my team has much programming experience, we are using Energia to develop the project. We first tried to start with CCS, but we were in way over our heads. Now that we have our different subsystems working, we are using an evaluation board to test out our circuit before going to a PCB. In order to run the SPI module and the sensor at the same time, I want to move the SPI communication with the CC3100 to the UCA1 SPI module. I think I figured out to set up and access all of the pins through pins_energia.h. I created a new board for our setup and added it to Energia. I used some LEDs to check that I could access GPIO pins that weren't accessible on the LaunchPad, and they would all light up when I wanted them to. (I used the digitalWrite() function to check that I actually set up the pins_energia.h file correctly. I didn't directly send the pins high with "P1DIR |= BIT0; P1OUT |= BIT0;" style assignments.) My next step was to switch communication with the CC3100 from UCB0 to UCA1 so my partner could keep using UCB0 for communication with his sensor. This is where I got really lost. I know that the code I have is using the SPI library included with Energia, but I don't know how to modify to do what I want it to do. So my main question ultimately is: "How do I get the Energia sketch to use UCA1 instead of the default UCB0 SPI module for communication with the CC3100?" Secondary to that, I am hesitant to change the installed libraries for Energia. Is there a way that I can reference copies of those libraries where my changes will be made? What I've tried: Looking through the code, I think that for the F5529, Energia is using the functions defined in utility/usci_spi.cpp. For this file at least, it seems to be hardcoded that the MSP will use UCB0. I tried to go through the file and replace every instance of "UCB0" with "UCA1", but that didn't work. I've also tried to look through some other posts about using alternate SPI ports on the F5529, but either I couldn't understand them or they didn't have solutions posted. Hardware: LaunchPad - MSP-EXP439F5529LP Rev 1.6 MCU - MSP430F5529IPN Evaluation board - MSP-TSP430PN80USB Boosterpack - CC3100MODBOOST Rev 1.0 Software IDE - energia-1.8.7E21 OS - Windows 10 Pro Other 43oh posts I've looked at (or at least the most relevant ones): https://forum.43oh.com/topic/5844-f5529-using-alternate-spi-and-i2c-interfaces/ https://forum.43oh.com/topic/5174-getting-i2c1-ie-usci_b1-to-work-on-f5529-launchpad/ Thank you so much for y'alls help with this. I've been trying for a while now to get this on my own, but I keep hitting a wall. This is my first post here, so please let me know if I need to provide any additional info or if there was a different way I should have posed this question. Thank you! Edit: typos/grammar
  8. hello I am getting a cc3200 launchpad and mpu9250, there I want to get the sensor data. I am using the Energia IDE, could anyone have a suggestion for the library of mpu9250 used in Energia IDE? There I just found the library used in Arduino IDE. Is that universal? best wishes
  9. 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
  10. Hello there, Ive been trying to use the UART on pin number 3 and 4 by using serial for monitoring the received data and serial1 for connecting and controlling the hardware(GPS) but the by using serial1 i think the uart isnt active. i see by connecting gps to putty that there is no data sent from the cc device . I checked the hardware serial .h and .cpp file where in the cpp file there is serial1 functions mentioned but in the pins_energia file i see no pin initialized as uart only analog, timers and gpio's are initialized. So what can i do to make it work. 1 2 3 4 5 6 7 8 9 10 11 12 13 Serial1.begin(112500); Serial.begin(19200); delay(50); Serial1.println("AT"); delay(1000); Serial1.println("AT+QGNSSC?"); delay(1000); Serial1.println("AT+QGNSSC=1"); delay(1000); Serial1.println("AT+QGNSSTS?"); delay(1000);
  11. Hello there, I connected a gps module and it gives me the gps data but im unable to segregate the following data on energia +QGNSSRD: $GNRMC,044927.000,A,1301.7816,N,07731.3016,E,0.00,93.73,290319,,,A*4F so i need to separate the latitude and longitude, time and date. So can anybody help me in understanding how to get the required data from the above. i attached my code below as you can see im getting stuck in the serial read please help me in correcting this. ? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 char gps; int times = 1; int count = 0; void setup() { Serial.begin(115200); delay(2000); Serial.println("AT"); delay(1000); //Serial.println("AT+CMGF=1"); Serial.println("AT+QGNSSC?"); delay(1000); Serial.println("AT+QGNSSC=1"); delay(1000); Serial.println("AT+QGNSSTS?"); delay(1000); } void loop() { while(count < times) { Serial.write("AT+QGNSSRD=\"NMEA/RMC\""); delay(2000); if(Serial.available() >0) { gps=Serial.read(); String response = ""; response +=gps; Serial.println(response); return response; } count++; } }
  12. I used the AirKiss to config my CC3200 board. AirKiss project need some .a file to import compiling environment, such as libairkiss.a, libairkiss_aes.a and so on. My question is how to add this files to Energia compiling environment. Best regards, xu
  13. I'm using CCSv8 and Energia on a Win10 machine. In my energia code, I have a bunch of setup/loop routines (setupA/loopA, setupB/loopB, etc.) routines as separate files . I'd like to be able to use CPP (#define/#ifdef/etc.) to control whether certain setup/loop tasks are included in the build by essentially making the content of an individual file empty. If I build the code with a certain setup/loop included and then try to use CPP to exclude it, the compiler is still looking for the one I have now excluded and fails the compilation process. I understand that because the setup/loops were in the previous build, that the setup/loop I have now excluded is still included in the build process somewhere, however, I cannot figure out how to get CCS to re-parse all of the files and recognize that this setup/loop is no longer needed. I thought the "rebuild" or "clean" options would do this, but they don't. I am using the Debug build and I can delete that whole directory and it's still looking for the excluded setup/loop. I tried creating an empty .ino file and that seems ok, so I know empty files don't actually require setup/loops within them. None of the files within the CCS GUI seem to mention the excluded file. If I add a new setup/loop, CCS finds it just fine, it's just the removal of them that seems problematic. As a work around, I can create a new project and then copy all of the needed files (not the excluded one) over to it, but this is a bit of a pain and seems like overkill. Does anyone know how to get CCS to update the list of needed setup/loops in the build process for an existing project? thx, jrd
  14. Rathidevi

    Msp430g2553 and CC3200

    Can anyone help me to transfer the data from msp430g2553 to CC3200? I want to know how to interface these two modules
  15. Hello everyone! I am using the SIM800L module to send SMS through a TivaC TM4C123GXL board, but its clock is 80MHz, and the library only accepts 20, 16 or 8 MHz. In Arduino it worked perfectly, this code found on a website. How do I reduce the TM4C123 clock in Power software? Is there another solution? Thanks in advance! The code: #include <SoftwareSerial.h> SoftwareSerial sim(3, 4); int _timeout; String _buffer; String number = ""; //here I inserted my number phone void setup() { delay(4000); //delay for 7 seconds to make sure the modules get the signal Serial.begin(9600); _buffer.reserve(50); Serial.println("Sistem Started..."); sim.begin(9600); delay(1000); } void loop() { SendMessage(); delay(10000); } void SendMessage() { //Serial.println ("Sending Message"); sim.println("AT+CMGF=1"); //Sets the GSM Module in Text Mode delay(1000); //Serial.println ("Set SMS Number"); sim.println("AT+CMGS=\"" + number + "\"\r"); //Mobile phone number to send message delay(1000); String SMS = "Testing GSM module"; sim.println(SMS); delay(100); sim.println((char)26);// ASCII code of CTRL+Z delay(1000); _buffer = _readSerial(); } String _readSerial() { _timeout = 0; while (!sim.available() && _timeout < 12000 ) { delay(13); _timeout++; } if (sim.available()) { return sim.readString(); } } The error: #error This version of SoftwareSerial supports only 20, 16 and 8MHz processors
  16. JRDavisUF

    SPI.transfer

    I notice in the online documentation for SPI.transfer (https://energia.nu/guide/libraries/spi/spi_transfer/) that 3 prototypes are provided, however in the actual source for my msp432, there are 4 (per SPI.h): uint8_t transfer(uint8_t); uint8_t transfer(uint8_t, uint8_t); uint8_t transfer(uint8_t, uint8_t, uint8_t); uint8_t *transfer(uint8_t *, size_t); <===================== Missing in online docs The missing one is the multi-byte transfer. Arduino documents a similar function in their docs so I assume it's one that is meant to exist (please don't get rid of it ). The main reason I mention it is that because there is another two argument prototype. So it's a bit confusing when trying to debug if one gets errors related to the first prototype (due to a forgotten &), when I was trying to use the second. Also, but perhaps I missed it, I don't see any reference to SPI1 in the documentation. Related to this, are there any plans to provide easy access to the other SPIs? jrd
  17. Interfacing without I2C 1. browse for "Liquid Crystal" folder in C:\Program Files (x86)\energia-1.8.7E21\hardware\energia\msp430\libraries or on the path where you downloaded the energia. 2. copy the folder and paste it to C:\Program Files (x86)\energia-1.8.7E21\libraries. note that this library is made for MSP430. You need to follow the pin convention of cc3200 launchpad. 3. open energia and change the rename the pin number as one given in the launchpad schematic. Make sure you dont use the pins that are connected to push buttons. try using the pins that are less multifunctional. use 5V as Vcc for Vdd and POT for best results. for example, replace LiquidCrystal lcd(P2_0, P2_1, P2_2, P2_3, P2_4, P2_5); with LiquidCrystal lcd(8, 9, 12, 13, 14, 15); 4. There you go!. upload the code. interfacing with I2c best advantage of the I2C is only two pins are used for operation! Connect the LCD module to the I2C module. 1.download the library from https://www.arduinolibraries.info/libraries/liquid-crystal-i2-c . or if you have arduino, you can download the library from "Manage Library" looking for "LiquidCrystal I2C". 2. copy the library to the C:\Program Files (x86)\energia-1.8.7E21\libraries. make the necessary I2C connections 3. change the address from 0x20 to 0x27 and put 0x27,16,2., include the lcd library and upload the code. 4. comment out "WProgram.h" from the .cpp file if shows an error. 5. there you go!
  18. superpanky

    mspflash.h library

    Hello. I have wrote an Energia program for digital potentiometer control. I want to save variable "counter" (it is an integer number from 0-255) in non-volatile memory using mspflash.h library in case of reset or power interrupt. But it doesn't saves. I am allmost sure there is something wrong with initialization of variables or pointers inside my code. Can anyone help? Any improvements in code? My code: #include <SPI.h> #include "MspFlash.h" #define outputA P2_1 #define outputB P2_2 #define flash SEGMENT_D int aState; int aLastState; const int slaveSelectPin = SS; const int shutDownPin = P1_4; int pos=0; int counter=0; int p=0; void setup() { pinMode (outputA,INPUT_PULLUP); pinMode (outputB,INPUT_PULLUP); aLastState = digitalRead(outputA); pinMode (slaveSelectPin, OUTPUT); pinMode (shutDownPin, OUTPUT); SPI.begin(); digitalWrite(shutDownPin, HIGH); digitalPotWrite(1, 0); } void loop() { Flash.read(flash+(pos * sizeof(int)), (unsigned char*)&p, sizeof(int)); counter=p; aState = digitalRead(outputA); if (aState != aLastState){ if (digitalRead(outputB) != aState) { counter=++counter; } else { counter=--counter; } } if (counter <= 255) { if (counter < 0) { digitalPotWrite(1, 0); counter = 0; Flash.erase(flash); Flash.write(flash+(pos * sizeof(int)), (unsigned char*)&counter, sizeof(int)); } else { digitalPotWrite(1, counter); Flash.erase(flash); Flash.write(flash+(pos * sizeof(int)), (unsigned char*)&counter, sizeof(int)); } } if (counter > 255) { digitalPotWrite(1, 255); counter = 255; Flash.erase(flash); Flash.write(flash+(pos * sizeof(int)), (unsigned char*)&counter, sizeof(int)); } aLastState = aState; } int digitalPotWrite(int address, int value) { digitalWrite(slaveSelectPin,LOW); SPI.transfer(address); SPI.transfer(value); digitalWrite(slaveSelectPin,HIGH); } Regards, Superpanky
  19. CPP_Technologist

    MPR121 Touch Sensor and I2C Wire Library

    Hello All! I'm having trouble achieving I2C communication with Sparkfun's MPR121 I2C capacitive touch sensor breakout board. I've used the breakout board (and code) many times before with the Arduino, but for some reason I can't get it to work with the MSP430G2553 and Energia. I'm using an MPR121 library found at http://bildr.org/2011/05/mpr121_arduino/ to help with register configuration. My code compiles fine, but I'm trying to print the output from the touch sensor to the serial monitor and nothing is showing up, so I'm assuming the touch sensor isn't working. I know the serial monitor works fine; I ran the DigitalReadSerial example and I can see the output on the monitor. I've connected the MPR121's SDA to pin 1.7 and the SCL to pin 1.6, and the IRQ (interrupt request) to pin 2.4. The SDA and SCL both have 10K pull up resistors on the MPR121's breakout board. The MPR121 is connected to Vcc and GND on the launchpad. Here is my code: #include <mpr121.h> #include <Wire.h> boolean touchStates[12]; //to keep track of the previous touch states void setup(){ pinMode(P2_4, INPUT); // IRQ pin digitalWrite(P2_4, HIGH); //enable pullup resistor Serial.begin(9600); Wire.begin(); mpr121_setup(); } void loop(){ readTouchInputs0(); } void readTouchInputs0(){ if(!checkInterrupt1()){ //read the touch state from the MPR121 Wire.requestFrom(90,2); byte LSB0 = Wire.read(); byte MSB0 = Wire.read(); uint16_t touched = ((MSB0 << 8) | LSB0); //16bits that make up the touch states for (int i=0; i < 12; i++){ // Check what electrodes were pressed if(touched & (1<<i)){ if(touchStates == 0){ //pin i was just touched Serial.print("pin "); Serial.print(i); Serial.println(" was just touched"); }else if(touchStates == 1){ //pin i is still being touched } touchStates = 1; }else{ if(touchStates == 1){ Serial.print("pin "); Serial.print(i); Serial.println(" is no longer being touched"); //pin i is no longer being touched } touchStates = 0; } } } } void mpr121_setup(void){ set_register(0x5A, ELE_CFG, 0x00); // Section A - Controls filtering when data is > baseline. set_register(0x5A, MHD_R, 0x01); set_register(0x5A, NHD_R, 0x01); set_register(0x5A, NCL_R, 0x00); set_register(0x5A, FDL_R, 0x00); // Section B - Controls filtering when data is < baseline. set_register(0x5A, MHD_F, 0x01); set_register(0x5A, NHD_F, 0x01); set_register(0x5A, NCL_F, 0xFF); set_register(0x5A, FDL_F, 0x02); // Section C - Sets touch and release thresholds for each electrode set_register(0x5A, ELE0_T, TOU_THRESH); set_register(0x5A, ELE0_R, REL_THRESH); set_register(0x5A, ELE1_T, TOU_THRESH); set_register(0x5A, ELE1_R, REL_THRESH); set_register(0x5A, ELE2_T, TOU_THRESH); set_register(0x5A, ELE2_R, REL_THRESH); set_register(0x5A, ELE3_T, TOU_THRESH); set_register(0x5A, ELE3_R, REL_THRESH); set_register(0x5A, ELE4_T, TOU_THRESH); set_register(0x5A, ELE4_R, REL_THRESH); set_register(0x5A, ELE5_T, TOU_THRESH); set_register(0x5A, ELE5_R, REL_THRESH); set_register(0x5A, ELE6_T, TOU_THRESH); set_register(0x5A, ELE6_R, REL_THRESH); set_register(0x5A, ELE7_T, TOU_THRESH); set_register(0x5A, ELE7_R, REL_THRESH); set_register(0x5A, ELE8_T, TOU_THRESH); set_register(0x5A, ELE8_R, REL_THRESH); set_register(0x5A, ELE9_T, TOU_THRESH); set_register(0x5A, ELE9_R, REL_THRESH); set_register(0x5A, ELE10_T, TOU_THRESH); set_register(0x5A, ELE10_R, REL_THRESH); set_register(0x5A, ELE11_T, TOU_THRESH); set_register(0x5A, ELE11_R, REL_THRESH); // Section D // Set the Filter Configuration // Set ESI2 set_register(0x5A, FIL_CFG, 0x04); // Section E // Electrode Configuration // Set ELE_CFG to 0x00 to return to standby mode set_register(0x5A, ELE_CFG, 0x0C); // Enables all 12 Electrodes // Section F // Enable Auto Config and auto Reconfig /*set_register(0x5A, ATO_CFG0, 0x0B); set_register(0x5A, ATO_CFGU, 0xC9); // USL = (Vdd-0.7)/vdd*256 = 0xC9 @3.3V set_register(0x5A, ATO_CFGL, 0x82); // LSL = 0.65*USL = 0x82 @3.3V set_register(0x5A, ATO_CFGT, 0xB5);*/ // Target = 0.9*USL = 0xB5 @3.3V set_register(0x5A, ELE_CFG, 0x0C); } boolean checkInterrupt1(void){ return digitalRead(P2_4); } void set_register(int address, unsigned char r, unsigned char v){ Wire.beginTransmission(address); Wire.write®; Wire.write(v); Wire.endTransmission(); }
  20. neznaika

    problems with MSP432E using energia

    Hello, I am trying to use MSP-EXP432E401Y with energia on W10. So far no luck. At the moment, energia compiles but I get the following error: "Connecting... error: CORTEX_M4_0: Error connecting to the target: Frequency is out of range." Is there a way to patch this error? Or should I dive into CCS... Thanks in advance
  21. Even after downloading all required drivers, I'm unable to successfully upload this basic blink code. I went to I tried uploading with all 4 port options appearing in the option but all of them showed the same error: Energia: 1.8.7E21 (Mac OS X), Board: "MSP-EXP430FR2355LP" Sketch uses 998 bytes (3%) of program storage space. Maximum is 32768 bytes. Global variables use 20 bytes (1%) of dynamic memory, leaving 1004 bytes for local variables. Maximum is 1024 bytes. DSLite version 8.2.0.1400 Configuring Debugger (may take a few minutes on first launch)... Initializing Register Database... Initializing: MSP430 Executing Startup Scripts: MSP430 Connecting... error: MSP430: Error connecting to the target: Unknown device Failed: Operation was aborted the selected serial port Failed: Operation was aborted does not exist or your board is not connected This report would have more information with "Show verbose output during compilation" option enabled in File -> Preferences. I even went on to check if the MSP430 is detected or not and it showed: I tried a different USB cable but it didn't work out. Please help to solve this problem.
  22. Hi, Does anybody have an idea of when will energia ide support Hercules TMS570LS04x/03x LaunchPad is gonna release? Can we add that board to energia? If yes, can anybody suggest in how to add a new board to energia so that i shall try adding it. Thanks
  23. I am looking for a library for sim800 and i am using energia compiler. I am working on certain project on which i suppose to interface sim800c with msp430G2553. i am doing basic coding of tcp/ip and http as well in that interfacing part. please suggest if there is any library available.
  24. Has anyone else experienced something like this? I have been using Energia on Windows for years on various LaunchPads, including 430, 432, and Stellaris (now Tiva). The Windows 10 PCs are a Surface Pro 3, a Toshiba Satellite, and an HP Pavilion. Over the last few months, builds and uploads fail in multiple ways unpredictably. The Serial Monitor often doesn't work, even when the TX pin has the correct signal (verified with an oscilloscope decoder). Often the fix is simply to click the Upload button over and over until it works. I've changed to shorter USB cables and switched from USB 3 to USB 2. Sometimes the problem is fixed by restarting Energia or rebooting the PC. It never stays fixed. I've had the same kinds of issues on older versions of Energia, but the code I'm currently developing won't compile if I go back too far. So I'm sticking with the latest version, 1.8.7E21. I've searched the forum for this, but haven't found anything like it. It is possible I just don't know what to search for, so I would be grateful for pointers. I don't want to go down the rabbit hole chasing one of these specific error messages just yet. I suspect the problem is caused by Windows and Java updates, but I have had no problems with Arduinos (UNO, Mega2600). BTW, I have no problems with Energia 1.8.7E21 on an older desktop running Windows 7.
  25. I am working on a certain project in which i would like to know that is msp430F2617 is compatible with Energia compiler or should i use ccs?
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