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RSSI
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  • Forum Post: Re: Using CC2520DK software examples with CC2591EM

    LPRF Rocks the World
    Great scope capture. It looks ok, however it would be nice if the resolution for PAEN could be highlighted or zoomed in around the edge of EN when PAEN is switching. It looks from the scope that PAEN is switching on the edge of the EN signal with current resolution. We need to ensure PAEN = '0'...
    on Aug 11, 2008

  • Forum Post: Re: CC1100 - Desperate help needed

    I4313
    Your RSSI readings are ok, see sec 17.3 (p.37-38) for info on RSSI: No TX - 0xCF = -98.5dBm (<38kbps, 868MHz) TX on - 0x77 = -14.5dBm Actually you should move them further apart so that you don't saturate the receiver. If you need to have them close, then you should reduce the output power on...
    on Aug 27, 2008

  • Forum Post: Re: PC Monitor software for parts like RF2500

    kuntalroy86
    Hi LPRF, I am Kuntal..I am using 430 RF2500 Kit ffrom TI. I want to display the Signal Strength of the Access point as well as the End deivices in our GUI Network VIsualizer along with the Temperature and Battery voltage.. Can you help me with it??
    on Sep 26, 2008

  • Forum Post: Re: PC Monitor software for parts like RF2500

    johnw
    Kuntal, I know you've asked LPRF - but I would like to chime in here. If you are talking about the RF2500 - then the code is already there. If you use the GUI and just leave your mouse pointer on top of the End Points - it will display the signal strength (RSSI). If you run the console - you...
    on Sep 30, 2008

  • Forum Post: Re: need help for MSP430 timer

    kuntalroy86
    Hi, thanks a lot for your reply... I am not concerned about the accuracy of the timings because My basic aim is to detect the missing packet from the end device. Can you help me with the coding of receiving the time information..or can you explain any logic to get it done.. Thank You Regards...
    on Nov 6, 2008

  • Forum Post: Re: need help for MSP430 timer

    kuntalroy86
    Hi...Firstly thanks a lot for your concern, I guess my problem could be solved with ur valuable suggestions. So now ,I want to display the time information, along with the RSSI values. It can be in the given GUI or any other user interface. My aim is, to display each received RSSI values with their...
    on Nov 7, 2008

  • Forum Post: Re: need help for MSP430 timer

    kuntalroy86
    Hi, I want to time stamp the RSSI value of the signals received by the local RF2500 ,transmitted by the remote RF2500device. Is it clear? Thank You Regards, Kuntal Ray
    on Nov 8, 2008

  • Forum Post: Re: PC Monitor software for parts like RF2500

    johnw
    LPRF, I was swamped when you sent this - sorry it has taken some time to get back to you. Yes - we could move to another thread. If you could send the the code that was ripped out of ZASA I would appreciate it since I won't have to reinvent the wheel. I'm trying to get back to this as time permits...
    on Dec 4, 2008

  • Forum Post: Re: 2.4 GHz Spectrum Analyzer w/Chipcon(TI) RSSI

    cui qingwei
    [:D] spectrum_analyzer v1.0 use CC1111 or CC2511 http://www.ouravr.com/bbs/bbs_content.jsp?bbs_sn=3240297&bbs_page_no=1&search_mode=3&search_text=qingwei_cui&bbs_id=9999 example[base on CC1111 dongle]:
    on Mar 16, 2009

  • Forum Post: Need help timestamping RSSI value and display

    kuntalroy86
    Hi everyone, I am using eZ430 RF2500 kit. I am able to get the RSSI value in the console(of the GUI provided) of Temperature monitoring program. My problem is to display these RSSI values with respect to time. So is it possible to display the time as well along with the RSSI. In short, is time stamping...
    on Nov 5, 2008

  • Forum Post: CC2510 as a stand alone RSSI power Detector

    Wai Hong Wong
    Dear All, Can CC2510 act as a stand alone RSSI detector, and the data communication is done by other types of transceiver?? In our application, we need to stick to use with the currrent transceiver we were using, in order to have a backward compatibility with our current product. The current transceiver...
    on May 7, 2009

  • Forum Post: CC1100 and Clear-Channel assessement based on RSSI

    JMR1972
    Hi all, I'm in the throws of of getting some radio activity going. Part of the protocol is to check for a clear channel before transmitting anything. I've configured GDO0 to be my CCA pin. The CCA is configure to be when RSSI is below threshold. The problem I'm having is that my CCA...
    on Jun 30, 2009

  • Forum Post: swrc021: Access Order to the CC2500 RX FIFO

    Flavio
    Hi all, I'm currently using the CC2500 and I had a look on the TI swrc021 example code. In the function halRfReceivePacket , the example code first reads the RX FIFO with a single read to get the payload length (they are using variable length in tha example), then makes another access to get...
    on Jul 15, 2009

  • Forum Post: Re: Wrong RSSI readings

    Flavio
    Hi Kjetil, thanks for your reply. I tried to put various delays between entering in the RX mode and reading the RSSI register (up to 5ms) and also making various readings to work out an average value.. as a result I get more precise readings as the result 'settles' to a more stable value...
    on Aug 13, 2009

  • Forum Post: Re: How to get started with SimpliciTI and IAR EW for a CC1110

    Sindbad
    I work with CC1110 but I did not use SimliciTI so far, so may be I do not understand the issue. I retrieve RSSI in my application and I simly get it from the RSSI register: signed char MyRssi; /* ... receiving a byte or a packet here ... */ MyRssi = RSSI; /* definition of RSSI in "ioCC1110...
    on Dec 23, 2009

  • Forum Post: Re: simple rssi output to file

    engiNerd
    Adrian, What you describe (appart from the time stamping), sound very much like a spectrum analyzer to me. Have you seen this one - http://e2e.ti.com/support/low_power_rf/f/157/p/17252/66791.aspx#66791 This is based on CC2511 or CC1111, on the PC side the application is done in QT. The sourcecode...
    on Jan 19, 2010

  • Forum Post: simple rssi output to file

    adrian39393
    i have a cc2511 emk and ccdebugger i wanted to scan the entire frequency range and for each channel read the rssi value and output this value to a file. the rssi value must be logged with the corresponding freq channel and a time stamp. i am having trouble getting started in programming the dongle with...
    on Jan 18, 2010

  • Forum Post: CC1010 AD2 ADC RSSI value being corrupted, but how?

    Nathan K
    Hey TI and RF Community, I write to request help with a problem that has me truly stumped. I'm developing a mesh network using the CC1010, that sensors the RSSI between nodes. This is then used to infer distance after averaging. The problem I'm facing is that many of the RSSI values read by...
    on Feb 11, 2010

  • Forum Post: 2.4 GHz Spectrum Analyzer w/Chipcon(TI) RSSI

    johnw
    Hello All, Isn't is possible to take an existing Chipcon(TI) design with one of the parts that supports RSSI and make a 2.4 GHz Spectrum Analyzer application? You don't have to be modulation locked to get an accurate RSSI measurement, do you? Regards, johnw
    on Dec 4, 2008

  • Forum Post: Processing RSSI Register cc430F6137

    William14730
    Hello All, I'm struggling with a step learning curve here, grateful to all supporting. I'm ultimately trying to develop a Simple RX protocol that reports the RSSI value (dynamically) but updating only when the received packet matches a predefined string of characters. My conversion isn't...
    on Feb 7, 2010

  • Forum Post: interfacing CC2500 with AT89c51

    vairamani
    i am using CC2500 for establishing wireless communication between two microcontrollers. i am using AT89c51. CC2500 is a SPI compatible device how can i interface CC2500 with AT89c51. if possible how can i interface cc2500 in uart mode.
    on Jun 9, 2010

  • Forum Post: RSSI measure with EZ430-RF2500

    Fabio16077
    Hi all, I'm trying to get measure of the RSSI with the EZ430-RF2500 dev kit. I'm using two devices, one connected to a PC, which I use as AP, and the other working by itself as and device. The AP polls the ED, which in turns replies by transmitting a packet. I want to get the RSSI measure...
    on Nov 22, 2010

  • Forum Post: Missing RSSI LQI with APPEND_STATUS and Callback RF2500

    Bruce Horvath
    Problem trying to use APPEND_STATUS With PKTCTRL1 in smartrf_CC2500.h set to 0x04 (Default base of APPEND_STATUS w/o CRC FLUSH) and using a CallBack routine which returns 0 (leave frame in buffer) a subsequent SMPL_Receive returns the user frame length and data without the RSSI LQI bytes appended...
    on Feb 3, 2010

  • Forum Post: Register setting of CC1101 to give a receiving sensitivity

    Kenji3
    Hi, I have cc1101 RX test. There are considerably more few packets which I can receive in CRC_OK in RX of my board than the board of your company's SmartRF04EB. For example, I transmited a packet of around 16 bytes from my TX board. SmartRF04EB board can received it with CRC_OK and RSSI's...
    on Feb 18, 2011

  • Forum Post: Wrong RSSI readings

    Flavio
    Hi all, I'm using the CC2500 and I wrote an application to scan the entire 2.4 GHz ISM spectrum and output on a PC the RSSI value for each channel, to have an idea of which Wi-Fi channels are being used in the area. However no matter in what enviroment I perform the scan, I always get very low...
    on Aug 11, 2009
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