Low Power RF & Wireless Connectivity

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Low Power RF & Wireless Connectivity

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Related Posts

  • Forum Post: TI_BLE_Demo does not read acceleration, battery level or sound buzzer

    Mike Westerfield
    Questions: 1. What are the correct UUIDs for use with BLE 1.2.1? Did any change other than the battery service? 2. Where is the source code for CC2540_keyfob_SimleBLEPeripheral.hex? 3. Why doesn't the accelerometer, buzzer or battery work in the TI_BLE_Demo app for the iPhone 4s? Background...
    on Jul 20, 2012

  • Forum Post: RE: CC2540 proprietary design - Works with BTool but not with iPhone 4S

    wing woo
    Hi Nick, as you said the problem on iphone4s,did other smartphone supported ble with andriod os have the same problem ? Is anything related to GAP or GATT profiles shoule be modified? Actually, i have been confused by the profiles long time , what the profiles provide? thanks a lot !
    on Jul 17, 2012

  • Forum Post: RE: CC2540 DK Mini Heart Rate Measurement Collector using BTool

    jeson luo
    hi Nick, I have a question about the bluetooth4.0 chip CC2540.when i use the CC2540DK-MINI Keyfob with the firmware heartrate.hex and connect it to Atomax BLE or BlueFire EKG on iPhone 4s, the heart rate can be display correctly, but the battery level is always 0%. what's the problem? thanks very...
    on Jul 24, 2012

  • Forum Post: How to Write Attributes larger than 1byte

    Tony Green
    Hi, I'm trying to modify the SimpleBLEPeripheral to change Characteristic 1 from a single byte into a 16 byte array. I have successfully configured it to be initialised and it reads OK, but get an error when trying to write 16 bytes. Write permissions are enabled. I can see that I'm getting...
    on Jul 29, 2012

  • Forum Post: First try of CC2540 Mini DK

    Xiaoguang Zhao2
    Hi, I tried the CC2540 Mini DK. After I plug in the USB dongle, there is no response. I can't find it in the device manager. I updated the firmware with the SmartRF Flash Programmer. Could anyone help me to fix it? Thank you. XG
    on Sep 7, 2012

  • Forum Post: Observer project for MINIDK (FOB device)

    Yaniv Reibenbacg
    Hi, Is there a sample code for the Observer or Central roles for the FOB device? If I'm not mistaken the SimpleBLEObserver is for the larger board, isn't it? If no reference code is available can you please give high level instruction how to enable scan in the FOB device? BR, ...
    on Sep 19, 2012

  • Forum Post: Read analog value CC2540 question

    Jesper Hoff
    Dear experts. I am trying to read a value from a CC2540 on an OLP425 board. Pin numbering here: http://support.connectblue.com/display/PRODBTSPA/cB-OLx425+Electrical+Mechanical+Data+Sheet#cB-OLx425ElectricalMechanicalDataSheet-PinNumbering I have attached an external sensor to analog input 31,...
    on Sep 28, 2012

  • Forum Post: fast connection setup

    daniel su
    Hello sir; I want to set up the fastest connection bewteen BLE device (3ms delay as described in 4.0spec). So the peripheral device should advertise using the min adv_interval so that the central device(battery powered) can receive the adv_ind packet quickly and setup conenction to save power. so...
    on Oct 29, 2012

  • Forum Post: Rx & Tx dump of CC2540

    QMW
    Dear all, I have been hacking the Java SimplePeripheral application. I wonder where I can find the manual for those Tx and Rx instructions? I would like to know what they really means. Thank you! Here are examples of the dumps: TX: 1 0 fe 26 8 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...
    on Oct 28, 2012

  • Forum Post: white list and advertising filter list

    daniel su
    Hi sir; i want to make my BLE device(keyfob) process scan and connection reqeusts only from devices in the white list . so i use the simpeBLEPeripheral project and do the follwing modification in the SimpleBLEPeripheral_Init function. uint8 initial_advertising_enable = TRUE; uint8 adv_filter =...
    on Oct 31, 2012

  • Forum Post: GAP_EstablishLinkRequest does not work in "Advanced commands" Tab in BTool

    QMW
    Hello, I have been trying to use the Advanced Command Tab in BTool to establish a link with the SimpleBLEPeripheral keyfob. But I get no response from the Keyfob. By using the same command, I can establish the link in the "Discover / connect" tab. Both the client and the server sides...
    on Nov 15, 2012

  • Forum Post: Can NOT Send Notification after upgrade from 1.0 to 1.21

    QMW
    Hello, The mechanism of sending the notification of Characteristic-4(char4) of the simpleBLE keyfob has been changed a lot from (stack version) 1.0 to 1.21. In v1.0, I modified the content of char4 to become a 10-element uint8 array ( uint8 char4[10] ). In the SimpleProfile_SetParameter() of "simpleGATTprofile...
    on Nov 18, 2012

  • Forum Post: Observer role question.

    Ronald van der Putten
    Hi all, I have a question regarding a ‘master’ device (the 2540 dongle) that is initialized with the Observer Profile Role. Which commands would allow me to receive “Non-connectable Undirect Advertisement” messages from other BLE devices. Specifically, which commands in...
    on Sep 28, 2012

  • Forum Post: CC2540/CC2541: Simultaneously Be Master/Slave for BLE

    Akbar Dhanaliwala
    Hi, I was wondering if the CC2540/CC2541 can simultaneously be a Master and form a piconet, while also being a slave connected to an iPhone 5, thereby creating a scatternet? thanks, akbar
    on Feb 28, 2013

  • Forum Post: Is Bluetooth CC2560 which supports Bluetooth 4.0 also support Bluetooth 2.0 EDR and Bluetooth 3.0 ?

    Subhajit Roy101567
    Hi All, We want to design a hardware which needs to communicate with a mobile/Smartphone using Bluetooth . But we want the hardware to support Bluetooth 2.0+EDR , 3.0 , and 4.0 BLE. Is it possible using this CC2560 module. Please advise. Also do we need to implement extra stack in the host firmware...
    on Mar 7, 2013

  • Forum Post: simpleGATTprofile - Maximum Character Attributes Supported?

    Cheuk Kwan Lui
    Hi, I want to add 2 more character attributes to the simpleGATTprofile, and modify the codes as below. The result shows the attributes of character 6 but not character 7. Does anyone know if there is any maximum limit on the number of character attributes? If not, how to make the codes work properly...
    on Mar 11, 2013

  • Forum Post: BloodPressure app on cc2540 mini keyfob

    Biswa Ranjan Nayak
    Hi I am currently playing around with the cc2540 mini dk set and was trying to make the bloodpressure demo app to work. I have the below setup. 1. I have compiled the bloodpressure app and have flashed the keyfob with the hex file. 2. My USB dongle is flashed with "CC2540_USBdongle_HostTestRelease_All"...
    on Dec 27, 2012

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