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802.15.4 MAC
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  • Forum Post: IEEE802.15.4 MAC based data broadcasting. what does MAC_InitCoord() internally do?

    Khan
    Hi, MAC_InitDevice() MAC_InitCoord() what does these two functions do Internally? Setting some parametrs or sthng Because i have modified TIMAC sample code for CC2530 to customize it to broadcast without joining the n/w or even without pressing the joystick(switch), It's working but whenever...
    on Dec 1, 2009

  • Forum Post: Only 802.15.4 on CC2530?

    Бојан Миладиновић
    Hi, I want to try to use only barebone 802.15.4 standard on my CC2530 board and skip all Z-Stack foundation. Does anyone have any code example or some documents explaining how to do this? And one other thing, can I use 802.15.4 without creating/joining network between nodes, that is, using it...
    on Dec 24, 2009

  • Forum Post: IEEE802.15.4 MAC based data broadcasting. what does MAC_InitCoord() internally do?

    Khan
    Hi, I am reposting it because I never got reply from anyone MAC_InitDevice() MAC_InitCoord() what does these two functions do Internally? Setting some parametrs or sthng Because i have modified TIMAC sample code for CC2530 to customize it to broadcast without joining the n/w or even without...
    on Jan 6, 2010

  • Forum Post: make router sleep in the tree-based network using TI-MAC

    Tree
    hello, It is tree-based network, and I want the router and end device go to sleep periodically. From the discussed problems before, I know that , synchronization of network have to be maintained. TI-MAC support the beacon-enabled network. but, it seems to be only a star shape network, coordinator...
    on Mar 15, 2010

  • Forum Post: Z-stack example application generates hex file larger than 128 kb

    Therese
    Hi all! I am using IAR EW v7.50 to compile TI's Z-stack examples to use with a CC2431. When I compile the location sample app and generate a hex file, the hex file gets a size of 256 kb. Since the processors flash is limited to 128 kb and since the samples are aimed at this device the logical...
    on Apr 20, 2010

  • Forum Post: Re: MAC Scan Request yields Bad State status

    Andrey Moldovanov
    I've also got a similar problem with MAC_BAD_STATE status when using 802.14.5 MAC API (versions 1.2.1 and 1.3.0) with CC2430. In my case, the MAC_BAD_STATE status related to MAC_MCPS_DATA_CNF event generated in response to MAC_McpsDataReq() call. This happened regularly under the following...
    on Jun 5, 2010

  • Forum Post: Re: MAC Scan Request yields Bad State status

    Andrey Moldovanov
    In my previous post I described a situation in which the MAC_MCPS_DATA_CNF event occured repeatedly with the MAC_BAD_STATE status, and I also wrote that the problem had been solved by allocating a new data buffer before each call of MAC_McpsDataReq(). In fact, this did help to recover after the MAC_BAD_STATE...
    on Jun 9, 2010

  • Forum Post: Re: Can't receive Interpan messages

    Diego Araujo
    I´m having the same problem. I´m using this function to send a inter-pan: void GenericApp_INTERPAN( void ) { /* * INTERPAN */ StubAPS_SetInterPanChannel( 0x19 ); uint8 buffadd[8] = {0xF3,0x22,0x07,0x01,0x00,0x4B,0x12,0x00}; // Router IEEE MAC address GenericApp_DstAddr.addrMode = afAddr64Bit;...
    on Jul 26, 2010

  • Forum Post: Router flags

    Franz Gustav Niederheitmann
    Hi, I have an scenario that i want to know when a packet is routered by an router. Anyone knows what is the flag that is setted when a packet is routered? Thanks,
    on Aug 18, 2010

  • Wiki Page: AN062 TI-MAC and Z-Stack Modifications for using CC2591 RF Front End with CC2430

    Kjetil
    The CC2430 is a true System-on-Chip (SoC) solution specifically tailored for IEEE 802.15.4 and ZigBee® applications. It enables ZigBee nodes to be built with very low total bill-of-material costs. CC2591 is a range extender for all existing and future low-power 2.4-GHz RF transceivers, transmitters...
    on Nov 19, 2010

  • Wiki Page: AN060 Security on TI IEEE 802.15.4 Compliant RF Devices

    Kjetil
    This application note introduces IEEE 802.15.4 security and gives practical examples using Texas Instruments’ family of IEEE 802.15.4 compliant RF chipsets; the CC2420, CC2430 and CC2520. The main focus will be on the CC2520, TI’s second-generation IEEE 802.15.4 compliant RF transceiver....
    on Nov 19, 2010

  • Wiki Page: Z-stack Link Quality Indicator (ZigBee)

    Kjetil
    Reading RSSI and LQI values from Z-Stack or TIMAC. LQI (Link Quality Threshold) is a metric of the current quality of the received signal RSSI (Received Signal Strength Indicator) is a signal strength indication. It does not care about the "quality" or "correctness" of the...
    on Nov 22, 2010

  • Wiki Page: Reading RSSI and/or LQI values from TIMAC

    Kjetil
    Q: FAQ: Reading RSSI and/or LQI values from TIMAC by 656199 The TIMAC provides three parameters as part of the Data-Indication when receiving a packet: - mpduLinkQuality : The link quality of the received data frame - LQI : Link Quality Indicator, the raw LQI of the received data frame - RSSI : Received...
    on Nov 22, 2010

  • Wiki Page: Nested Interrupts in Z-Stack (ZigBee)

    Kjetil
    Q: FAQ: Nested Interrupts in Z-Stack (ZigBee) During the ISR (Interrupt Service Routing) Z-stack block interrupts until the ISR has completed its action. Nested interrupts are not recommended
    on Nov 22, 2010

  • Wiki Page: Acquiring IEEE address range (802.15.4 MAC, Z-stack, ZigBee, CC2420, CC2430, CC2431, CC2530, CC2531)

    Kjetil
    Q: FAQ: Acquiring IEEE address range (802.15.4 MAC, Z-stack, ZigBee, CC2420, CC2430, CC2431, CC2530, CC2531) The IEEE 64 bit address is known at IEEE as the EUI-64(tm) which is a concatenation of the 24-bit OUI (Company ID) value assigned by the IEEE Registration Authority and a 40-bit extension identifier...
    on Nov 22, 2010

  • Wiki Page: TIMAC Code Sizes for CC2430

    Kjetil
    Q: FAQ: TIMAC Code Sizes for CC2430 by 656199 Configuration Code RAM Non-Beacon Coordinator 18.1k 250 Non-Beacon Device 16.5k 258 Non-Beacon Coordinator + Device 20.1k 270 Beacon Coordinator 20.5k 325 Beacon Device 19.1k 312 Beacon Coordinator + Device 24.5k 373
    on Nov 22, 2010

  • Wiki Page: TIMAC CSMA Backoff

    Kjetil
    Q: FAQ: TIMAC CSMA Backoff by 656199 How to configure the CSMA parameters to increase back-off time. In the TIMAC there is a PIB attribute minBe that can be used to configure the minimum back-off exponent used in the CSMA algorithm. The maxBe PIB attribute is also used while performing CSMA...
    on Nov 22, 2010

  • Wiki Page: Accessing the LQI of a received message (802.15.4 MAC, Z-stack, ZigBee, CC2420, CC2430, CC2431 )

    Kjetil
    Q: FAQ: Accessing the LQI of a received message (802.15.4 MAC, Z-stack, ZigBee, CC2420, CC2430, CC2431 ) The LQI (Link Quality Indicator) for a received message can be accessed from the afIncomingMSGPacket structure. See the Z-Stack AF API document for details
    on Nov 22, 2010

  • Wiki Page: Changing channel in Z-Stack & TIMAC

    Kjetil
    Q: FAQ: Changing channel in Z-Stack & TIMAC The channel is changed the following way in Z-Stack: 1. Open the Z-Stack IAR EW project. 2. Open the Tools folder and the file "f8wConfig.cfg" 3. Change the bit map field DEFAULT_CHANLIST --------------------------------------------...
    on Nov 22, 2010

  • Wiki Page: Compiler support for 8051 based System-on-Chip devices (SoC)

    Kjetil
    Q: FAQ: Compiler support for 8051 based System-on-Chip devices (SoC) 8051 based System-on-Chip (SoC) devices are supported by the EW8051 compiler from IAR ( www.iar.com ) An evaluation version of the compiler can be downloaded from: www.iar.com/p882/p882_eng.php The SoC device contains an on-chip...
    on Nov 22, 2010

  • Wiki Page: Copyright (c) for Z-stack and TIMAC

    Kjetil
    Q: FAQ: Copyright (c) for Z-stack and TIMAC The code pages of Z-stack and TIMAC has headers that state this: Copyright (c) 2007 by Texas Instruments, Inc. All Rights Reserved. Permission to use, reproduce, copy, prepare derivative works, modify, distribute, perform, display or sell this...
    on Nov 22, 2010

  • Wiki Page: Default behaviour of TIMAC coordinator discovery

    Kjetil
    What is the default behaviour of the TIMAC when one has two coordinators on different PANs but with the same short address? If you are using the TIMAC and you have different coordinators on different PANs, then a device will not report both coordinators in the scan result. See the function macScanRxBeacon...
    on Nov 22, 2010

  • Wiki Page: Forcing a coordinator to establish a network (Z-Stack, ZigBee, TIMAC)

    Kjetil
    Q: FAQ: Forcing a coordinator to establish a network (Z-Stack, ZigBee, TIMAC) How to force a coordinator to establish network regardless of the channel condition By increasing MAX_SCAN_ENERGY the coordinator will be more tolerant towards interference when scanning the channels.
    on Nov 22, 2010

  • Wiki Page: Indirect messaging (Z-Stack, TIMAC, ZigBee)

    Kjetil
    Q: FAQ: Indirect messaging (Z-Stack, TIMAC, ZigBee) Parent routers storing data for sleeping End Devices. Using indirect messaging between a Router and an associated End Device, the parent stores the packet for the sleeping end device for a duration based on the NIB attribute TransactionPersistenceTime...
    on Nov 22, 2010

  • Wiki Page: Information about ZigBee and the IEEE 802.15.4 standards

    Kjetil
    Q: FAQ: Information about ZigBee and the IEEE 802.15.4 standards The latest ZigBee spec can be downloaded from the ZigBee web site: http://www.zigbee.org/en/spec_download/download_request.asp The IEEE 802.15.4 standard, which defines the PHY and the MAC layer, is available for download at: http:/...
    on Nov 22, 2010
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