Solutions Browser
Jennic Solutions is a knowledge database based on common technical support issues we encounter. Use the filter fields to refine your search to a particular area of interest or click the links below to see the latest and popular solutions.
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How do I identify a Jennic chip on the network? What is Jennic's IEEE address? Jennic has the IEEE Organisationally Unique Identifier (UID) 0x00158D, which will be the top 24-bits of the ... solution00003 2008-05-01 Hardware » Function » programming |
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How do I read the JN51xx MAC address? The MAC address location can be found by calling pvAppApiGetMacAddrLocation() The prototype can be found in ... solution00007 2008-05-01 Hardware » Function » programming |
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How are the LQI and MSQ values for received data packets calculated? The LQI value generated whenever a data frame is received is based upon the signal strength. The JN5121 ... solution00004 2008-05-01 Hardware » Function » RF Power |
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How do I set the output power of the radio? The Tx power can be dynamiclly changed by calling eAppApiPlmeSet(PHY_PIB_ATTR_TX_POWER,level) For example: bool_ ... solution00008 2008-05-01 Hardware » Function » RF Power |
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How do I read from (and write to) the UART ? The Jennic SDK contains a number of routines for writing data to the UART, (notably vPutC and vPrintf in C:\Jennic\cygwin\jennic\SDK\Chip\Common\Source\Printf. ... solution00018 2009-03-09 Hardware » Interface » programming |
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Are there any USB dongles available that use JN51xx devices? Although Jennic do not produce USB dongles they are available from several third parties: MSP Technology ... solution00009 2008-04-02 Hardware » Interface » USB |
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What are the minimum connections required for programming modules? 1) Connect power and ground on pins 24 (VDD), 25 (GND) & 26 (VSSA). 2) Ensure that pins 9 (SSZ) and 13 ... solution00001 2008-03-03 Hardware » JN5139 » programming |
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When I connect my hardware to the Jennic flash programmer it shows the MAC address (64-bit IEEE Address) is 0xffffffffffffffff. If your hardware contains a Jennic module then it will have been programmed with a MAC address during manufacture. ... solution00016 2008-05-19 Hardware » Modules » programming |
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Are the 333kHz spurs seen when measuring the transmit power in continuous wave mode normal? Transmit output power can be measured using the JN-AN-1021 Module Lab Test Utility. The 'Transmit Power Test ... solution00013 2008-05-01 Hardware » Modules » RF Power |
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My application requires longer distances between nodes, how can you support this? The Jennic 'JN5139-xxx-M02/04' High Power Modules are high RF power, improved sensitivity modules for extended ... solution00010 2008-04-07 Hardware » Modules » RF Power |
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What distance can the radio cover? This largely depends on the antenna being used, module output power and environment. We have seen reliable ... solution00011 2008-04-07 Hardware » Modules » RF Power |
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What transmit output power restrictions exist for the Jennic high power module in the US/Canada and Europe ? In Europe, the high power module transmit power must be restricted to 10dBm (including the antenna gain). ... solution00002 2008-09-08 Hardware » Modules » RF Power |
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I have two coordinators working on different channels 11 and 12. When I do an active scan with an end device with all channels set I only get the first coordinator (that one working on channel 11). If I turn off the coordinator on channel 11 then I get the coordinator on channel 12 as result of the active scan. I always only get the description of 1 coordinator and it is always the one with the lowest channel number. Where is the problem? The active scan only lists unique entries in the scan response. So if the 2 coordinators have the have ... solution00006 2008-05-10 Network/Stack API » IEEE802.15.4 » Active Scans |
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When I do an active scan with an end device I do not see any beacon notifications, MAC_MLME_IND_BEACON_NOTIFY? If the beacon payload of the received package does not contain any data, the event MAC_MLME_IND_BEACON_NOTIFY ... solution00020 2008-10-24 Network/Stack API » IEEE802.15.4 » Active Scans |
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Can IEEE 802.15.4 coexist with other radio systems? Yes, the IEEE 802.15.4 standard has been specifically designed to coexist with other radio systems operating ... solution00012 2008-05-10 Network/Stack API » IEEE802.15.4 » Misc |
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How do I set up a Jenie network to support X end device nodes ? Each Jenie co-ordinator or router node supports up to 10 children. So a single co-ordinator node would be ... solution00019 2009-02-12 Network/Stack API » Jenie » Installation |
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Why does my Jenie application no longer start after changing the device type ? The Jenie networking stack is implemented in two library files: Jenie_TreeCRLib.a for Coordinator and ... solution00023 2009-01-29 Network/Stack API » Jenie » programming |
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Do I need to be a member of the ZigBee Alliance to use your ZigBee stack? If you are using the Jennic ZigBee stack in a commercial product then you need to be a member of the ... solution00014 2008-05-10 Network/Stack API » Zigbee » Misc |
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I'm designing a ZigBee based product, do I need to get this certified/tested for compliance to the ZigBee standard? If you wish to use the ZigBee logo then your product must undergo certification. Test programs are available ... solution00015 2008-05-10 Network/Stack API » Zigbee » Misc |
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The Flash Programmer fails to start on a new SDK installation. In order for the new SDK installation to work the old config.txt (found here C:\Jennic\cygwin\jennic\flashprogrammer ... solution00005 2008-05-10 SDK » Flash Programmer » Installation |
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How can I tell how much memory an application is using? The amount of memory used by an application can be determined by using the ba-elf-size utility. This can be ... solution00022 2008-10-23 SDK » Function » Misc |
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How do I use floating point Maths? To use floating point maths functionality. 1. Include the math.h header file in the source file that is calling ... solution00024 2009-03-13 SDK » Function » programming |
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How can the results returned by an IEEE 802.15.4 Energy Scan be interpreted on a JN5139? The IEEE 802.15.4 MAC provides a mechanism for measuring the energy present on one or more channels (MLME- ... solution00017 2008-10-03 SDK » IEEE802.15.4 » Misc |
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