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Found 173 results

  1. I am making a cloud-based attendance system in my database resides on a particular URL, which is stored at the string variable "server" according to the code. I have multiple WiFi networks in my organisation. I tested my whole system on one of the WiFi networks and I was able to connect to the server and push my data to the cloud. I had a meeting last evening and I had to use another WiFi network for which I entered the required credentials. My system successfully got connected to Wifi network but at the time of pushing the data to the cloud, it showed "Connection failed(to the server)". I tried that many times but no help. Then we thought of using the mobile hotspot. there the server worked fine again. What can be the issue? is the network anyway related to the server? Thanks in advance.
  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. I am using this example sketch to search for all WiFi networks: /* This example prints the Wifi shield's MAC address, and scans for available Wifi networks using the Wifi shield. Every ten seconds, it scans again. It doesn't actually connect to any network, so no encryption scheme is specified. Circuit: * WiFi shield attached created 13 July 2010 by dlf (Metodo2 srl) modified 21 Junn 2012 by Tom Igoe and Jaymes Dec */ #include <WiFi.h> void setup() { //Initialize serial and wait for port to open: Serial.begin(9600); while (!Serial) { ; // wait for serial port to connect. Needed for native USB port only } // check for the presence of the shield: if (WiFi.status() == WL_NO_SHIELD) { Serial.println("WiFi shield not present"); // don't continue: while (true); } String fv = WiFi.firmwareVersion(); if (fv != "1.1.0") { Serial.println("Please upgrade the firmware"); } // Print WiFi MAC address: printMacAddress(); } void loop() { // scan for existing networks: Serial.println("Scanning available networks..."); listNetworks(); delay(10000); } void printMacAddress() { // the MAC address of your Wifi shield byte mac[6]; // print your MAC address: WiFi.macAddress(mac); Serial.print("MAC: "); Serial.print(mac[5], HEX); Serial.print(":"); Serial.print(mac[4], HEX); Serial.print(":"); Serial.print(mac[3], HEX); Serial.print(":"); Serial.print(mac[2], HEX); Serial.print(":"); Serial.print(mac[1], HEX); Serial.print(":"); Serial.println(mac[0], HEX); } void listNetworks() { // scan for nearby networks: Serial.println("** Scan Networks **"); int numSsid = WiFi.scanNetworks(); if (numSsid == -1) { Serial.println("Couldn't get a wifi connection"); while (true); } // print the list of networks seen: Serial.print("number of available networks:"); Serial.println(numSsid); // print the network number and name for each network found: for (int thisNet = 0; thisNet < numSsid; thisNet++) { Serial.print(thisNet); Serial.print(") "); Serial.print(WiFi.SSID(thisNet)); Serial.print("\tSignal: "); Serial.print(WiFi.RSSI(thisNet)); Serial.print(" dBm"); Serial.print("\tEncryption: "); printEncryptionType(WiFi.encryptionType(thisNet)); } } void printEncryptionType(int thisType) { // read the encryption type and print out the name: switch (thisType) { case ENC_TYPE_WEP: Serial.println("WEP"); break; case ENC_TYPE_TKIP: Serial.println("WPA"); break; case ENC_TYPE_CCMP: Serial.println("WPA2"); break; case ENC_TYPE_NONE: Serial.println("None"); break; case ENC_TYPE_AUTO: Serial.println("Auto"); break; } } What changes do I need to make to find mac addresses of the searched WiFi networks? Thanks.
  4. 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
  5. dear all kind soul, may I know whether there is a working example code for writing to SD card for TI cc3200? And may i know the pinout for the SD card :) lastly how do i get timestamp for the data in the sd card? I am using energia for my coding. Best Regards, Random noobs
  6. 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
  7. Rathidevi

    CC3200

    Hi Frndz, Can anyone help me to interface CC3200 with LCD with clear pin configuration. Also the corresponding code in energia.
  8. 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!
  9. Hi I would like to utilize LPDS mode for CC3200. I am following TI SDK idle_profile_nonos example. However, since my code was developed in Energia environment, I am trying to add PM related functions into my code. However, it doesn't enter sleep mode. Here is what I did. I really appreciate if anyone who is familiar with LPDS can share their experience. One issue I can think of now is, according to TI, they mentioned that we need to set up SimpleLinkSyncWaitLoopCallback to put MCU to sleep when it is idle. However, I am not sure how SimpleLinkSyncWaitLoopCallback is invoked in Energia http://e2e.ti.com/support/wireless-connectivity/wifi/f/968/p/769004/2848594#2848594 1. I am using Energia IDE to develop my code. In setup(), I include PM Initialization struct platform_pm_ops lp3p0_pm_ops; /* Initialize the PM framework */ if (cc_pm_framework_init()){ Serial.println("Error: PM framework init failed"); while(1); } /* Get the SOC specific platform operations */ lp3p0_get_pm_ops(&lp3p0_pm_ops); /* Register PM ops with framework */ if(cc_pm_platform_ops_register(&lp3p0_pm_ops)){ Serial.println("Error: PM framework init failed"); while(1); } /* Register the interrupt with the global interrupt handler */ MAP_IntRegister(INT_PRCM, prcm_interrupt_handler); /* Enable the interrupt */ MAP_IntEnable(INT_PRCM); 2. In loop(), if GP28 is LOW, then I do the following if (sl_WlanPolicySet(SL_POLICY_PM, SL_NORMAL_POLICY, NULL, 0) < 0) { Serial.println("Error: unable to configure network power policy\n\r"); while(1);//LOOP_FOREVER(); } // set up gpio handler lp3p0_setup_power_policy(1); // 0: POWER_POLICY_SLEEP; 1: POWER_POLICY_STANDBY // just to clear any pending event _SlNonOsMainLoopTask(); set_gpio_as_wk_src(0, 0x3, 0); // WK_LPDS = 0x0, GPIO_SRC_WKUP = 0x3, PRCM_LPDS_HIGH_LEVEL = 0x0 cc_idle_task_pm(); 3. The functions above are directly from lp3p0_plat_ops.c. However, since I only want to use GPIO as the wake up source, I modify the interrupt handler as follows void prcm_interrupt_handler() { int status; /* Read the interrupt status, also clears the status */ status = MAP_PRCMIntStatus(); if (0 == status) { /* Invoke the wake from LPDS interrupt handler */ wake_interrupt_handler(); } else { } } 4. Since my wake up source is GPIO, I comment out Host IRQ and RTC portions in set_wkup_srcs May I know if I am missing anything else? Thanks, Dennis
  10. Hi I am developing a program for CC3200. The global variables in my program consumes quite an amount of space. As I continue to develop, I foresee there will be more space required. I am seeing the following from Energia compiler output. CC3200 has 1MB Flash. Both .text section and .bss section take 196KB. It seems like there is still space available. Is it possible to change the loader configuration to extend the address space of .bss section? "Sketch uses 35440 bytes (18%) of program storage space. Maximum is 196608 bytes. Global variables use 167124 bytes (85%) of dynamic memory, leaving 29484 bytes for local variables. Maximum is 196608 bytes. Low memory available, stability problems may occur." Thanks, Dennis
  11. DiegoPerGon

    TLC5940 lib

    Hello community, I'm newbie in the forum. Well the issue is I've been looking for a TLC5940 library that is compatible with the CC3200 launchpad. I tried to modify the PaulStoffregen library pin_outs and add the CC3200 pins, but I can't find the OC1A, OC1B and OC2B for Xtal, Blank and GSC, someone who can help me???
  12. hai all, i will working to CC3220SF launchpad i will try to interface at Load cell using Hx711 Amplifier i have some error will be occur , how to resolve this issue any one work hx711 at CC3220SF or Any launchpad Please Share the Library file. and One Wire Digital Temperature Sensor - DS18B20 working source code Thanks Selva
  13. Hello, I want CC3200 to act as an access point and server a webpage to give SSID and Password of a router. For this I am using SmartConfigexample in Energia. When I upload the code then it only shows " Starting WiFi SmartConfig" on Serial monitor. No AP appears. Is there something I might be missing? What should be the jumper setting while running this application on CC3200? Is there any relevant tutorial available for this example?
  14. gunit

    LCD for CC3200

    Dear All, I want to interface an LCD to CC3200. Please suggest the name of lcd which can be used with cc3200 and energia. Regards, gunit
  15. I wanted to communicate my cc3200 with tms 57004 microcontroller using uart. So, I have connected uart_rx of tms 57004 to Uart_tx of 3200. uart_tx of tms 57004 to Uart_rx of 3200. Gnd of tms57004 to gndof cc3200. In tms 57004 I have set Baud rate to be 9600 and 1 stop bit and no parity. Can anyone tell me how to configure uart in cc3200. Regards, Gunit
  16. Hi, Is there any tutorial that explains how to configure cc3200 launch pad as a SNMP agent and set up TRAP? Thank you, Yasith
  17. Amanchaturvedi

    UART on cc3200

    Hello, I want to use three UART channels to connect my sensors on cc3200. The pin map is quite confusing. Please help me out.
  18. Amanchaturvedi

    Port firebase-arduino library

    Can anyone port firebase-arduino library for energia? I need to send data to firebase using cc3220 for my project. I think only one file need to be change but I am not getting anything. The link is: https://github.com/firebase/firebase-arduino Thanks in advance.
  19. Amanchaturvedi

    Connect CC3200 to firebase

    Hello, I want to connect cc3220 to firebase database. Earlier I was using Esp8266 with firebase-arduino library but Energia do not support this library. How can it be done on cc3200?
  20. Hello guys ! Im try to using i2c communicate with module LCD 16x02_I2C_PCF8574 but it not work !!! Im using library : LiquidCrystal_I2C.h . but not work and i try porting library from Arduino to Engeria and it not work too. maybe im using library same as this topic : Someone can help me solved this problem or share with me a library work ... many thanks !
  21. Hello guys ! Im try to using i2c communicate with module LCD 16x02_I2C_PCF8574 but it not work !!! Im using library : LiquidCrystal_I2C.h . but not work and i try porting library from Arduino to Engeria and it not work too. maybe im using library same as this topic : Someone can help me solved this problem or share with me a library work ... many thanks !
  22. Sir , how to operate the water level indicator with CC3200 controller . Then, what kind of water level sensor can be used to efficiently sense the raising level of water
  23. The Energia example of SimpleWebServerWifi is working fine within the WiFi network connection after putting the IP address. But when the same IP address is put on an internet in different location/network it does not connect. Please tell me the procedure so that I can make the LED on and off via internet. Regards. Yunus.
  24. I need help, I am trying to get my nokia 5110 working with a CC3200 launchpad. I was able to get the Nokia working with the msp430g2553 using the LCD_5110 library. But no Luck with the CC3200, I also tried it with the LCD_5110_SPI library. I am hoping someone will share a working example for the Nokia on a CC3200. I tried the suggestions in this post. https://forum.43oh.com/topic/7768-problem-with-cc3200-and-lcd5110-library/?tab=comments#comment-62408 Thank you.
  25. Back in June, I wrote a very basic sketch that sent an email via my hosted SMTP server. Unfortunately, the USB drive I stored the sketch on is toast. I don't recall the source and after digging through the examples, libraries and the forum, I'm unable to find an example I might have drawn from. Does anyone have an idea of what code example I might have used? I know I didn't write anything from scratch. I also know I didn't use Temboo or SMTP2Go, as I still have the email in my gmail mailbox (and it came from my hosted domain).
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