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CC2511
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  • Forum Post: range of CC2511

    speedo38
    I would like to know the range in free air of the CC2511 when is sending 500kbit/s assuming that outpower is +1dB. My application need to have a good communication up to 100 meters. Do you think it will work ? thank you for yours answers.
    on Jul 8, 2008

  • Forum Post: Re: range of CC2511

    Abdallah
    The sensitivity of the CC2511 at 500kbps is -82dBm. The freespace equation with ground presence predicts roughly 100 meters of operation under certain conditions. There are many diferent variables at play however and many different assumptions put forward, therefore what happens in practice could be...
    on Jul 9, 2008

  • Forum Post: CC2511 development examples

    jremi
    I currently have a design that uses the CC2500 on both transmitting and receiving ends. I just got a CC2511 development kit with the intention of using the USB dongle to take the place of my receiver so I can send data directly to the PC. Sounds easy enough, right? Well... I have some of the examples...
    on Jul 16, 2008

  • Forum Post: Re: CC2511 development examples

    Shoaib Ali
    I have modified the usb dongle example firmware for CC2511 recently by removing all Radio related part and creating my own Fifos for application level buffers for USB handlers. I then used SimpliciTi stack examples for CC2500 to make CC2511 a USB-RF Gateway. Radio part in usbdongle firmware is a bit...
    on Jul 21, 2008

  • Forum Post: Re: CC1110, Sleep, and Sleep Timer

    RF4ALL
    Hi, Try replace your xtal monitor instruction as follows: /*while(!(SLEEP & 0x40));*/ while(CLKCON & 0x40); This will monitor [CLKCON.OSC] to ensure that the [HS XOSC] is not only stable, but also actually applied as system clock source before continuing code execution. Cheers, RF4ALL
    on Aug 21, 2008

  • Forum Post: CC2511/1111 debugging USB

    lance_RFdude.com
    Hi, I'm new to the IAR tools and to the Ti USB chips although I've worked with the 8051 a few times in the past. I'm finding the IAR IDE crashing every time I try to debug with the USB dongle attached -- both for the RS232-RF example and the "simple HID" example. I have...
    on Oct 2, 2008

  • Forum Post: Re: C2511: Why does T4 causes to exit PM2

    BrandonAzbell
    spachner I run with my code into the situation, that PM2 is not only exit due to sleep timer (as I want to), but also due to T4. I can reproduce this definitly with my code. When I set IEN1 = 0x00; which disables the T4 interrupt PM2 is exit after sleep timer expires only. When I set IEN1 = 0x10; which...
    on Dec 14, 2008

  • Forum Post: What is the GPIO port drive strength of the CC251x devices?

    Antennahead
    Page 87 of the CC2510 data sheet discusses the GPIO capabilities of the device and that it can drive LED's on P1_0 and P1_1. Page 208 states that register IOCFG1 can be used to change the drive strength control of the ports. Where in the data sheet does it actually state the drive strengths of...
    on Dec 15, 2008

  • Forum Post: Re: What is the GPIO port drive strength of the CC251x devices?

    Kjetil
    Hi Steve, This has not been fully characherized and is therefor not stated in the data sheet. The IO Pads used are designed to deliver 4 mA for the regular GPIOs and 20 mA for the ones with LED driving capabilities (P1.0 and P1.1) Brief tests indicates that we are able to deliver this, especially...
    on Dec 22, 2008

  • Forum Post: CC2511/CC1111 USB issues

    lance_RFdude.com
    Hello, I'm developing a widget that uses the CC2511 and is based very heavily on the rs232_to_usb example. My application software uses the USB framework pretty much as-is, but I've stripped out most of the radio configuration and communications code for that example as it was very hard for...
    on Jan 13, 2009

  • Forum Post: Re: CC2511/CC1111 USB issues

    BrandonAzbell
    I have recently worked with another developer on a very similar, if not the same, issue on the CC1111. I will share some of my notes with you and hope that this will drive towards resolution of the issue you are facing. I do want to confirm a couple of things with you regarding the code base you are...
    on Jan 13, 2009

  • Forum Post: Re: CC2511/CC1111 USB issues

    lance_RFdude.com
    Brandon, Thank yo so much for sharing these notes so far. Yes I am using the .\embedded_sw\App_Ex\rs232_to_usb\rs232_to_usb_dongle\source\main.c as the basis for the application. I stripped much of the radio handling out and replaced with my own and as for USB the only thing I've modified is...
    on Jan 13, 2009

  • Forum Post: Re: CC2511/CC1111 USB issues

    BrandonAzbell
    lance_RFdude.com Yes I am using the .\embedded_sw\App_Ex\rs232_to_usb\rs232_to_usb_dongle\source\main.c as the basis for the application. I stripped much of the radio handling out and replaced with my own and as for USB the only thing I've modified is the vendor ID and strings in the descriptor...
    on Jan 13, 2009

  • Forum Post: Re: CC2511/CC1111 USB issues

    lance_RFdude.com
    Brandon, Thanks again. I didn't think that you implied the double buffering was a problem, but in my couple of passes through the documentation and comparing the descriptor info, it was unclear to me whether a factor of two needed to be there or not -- so I was being ultra conservative and trying...
    on Jan 13, 2009

  • Forum Post: Re: CC2511/CC1111 USB issues

    BrandonAzbell
    Does this issue happen all of the time, meaning none of the packets of data come through? Or every now and again? I reread you original post, but perhaps I missed it. Are you doing any handling of the USBIRQ_EVENT_EP4IN event? Also, it seems the rs232_to_usb_dongle\source\main.c uses the USB_MAX_PACKET_SIZE...
    on Jan 14, 2009

  • Forum Post: Re: programinfg by USB on the CC2511

    BrandonAzbell
    I would interpret this statement as a "for instance, or it is possible" and not something where software is available to take advantage of this feature. The CC2510 only boots from its own flash, and not from peripheral devices like the USB interface. Secondly, "the windows USB driver"...
    on Feb 19, 2009

  • 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: Re: CC251X: Cannot write to internal flash when source is flash

    aevin
    I've never tried programming the flash with data directly from flash myself, but it do sound a bit trickier for the flash controller than from RAM to flash: (fetch a flash word from flash into flash cache, let DMA copy the bytes into FWDATA, then let the flash controller (erase+)program flash word...
    on Mar 24, 2009

  • Forum Post: cc1111 USB Buffer only takes 64 bytes.

    Edward McNicholas
    Hello i am working on a project where i am using the cc1111 as the server for a wireless protocol will multiple cc1100 clients. The problem is that the packets to be sent over the usb are larger than 64 bytes and i can not seem to get the RF usb library configured to let the endpoint send more thatn...
    on Mar 27, 2009

  • Forum Post: Re: CC2511F32 has to less flash?

    BrandonAzbell
    We do not have anything public today that adds more flash. Please contact your TI Sales representative for any information on future devices.
    on Apr 3, 2009

  • Forum Post: Cc2511 CUDAL problem

    Fit Na
    Hi, I have a problem interfacing a CC2511 dongle with my PC. I have programmed the CC2511 dongle with "rs232_to_usb_dongle" code from TI. I am using Visual Studio 2005 (MFC) and the CUDAL library. Here is my code (follow the example code in CUDAL documentation) : CudalDongle *pDongle...
    on Apr 15, 2009

  • Forum Post: Re: cc1111 USB Buffer only takes 64 bytes.

    BrandonAzbell
    Unfortunately, you will need to break the packets up which are larger than 64 bytes. The RF USB library does not perform this for you. Either way, it is code running on the processor to perform this segmentation.
    on Apr 21, 2009

  • Forum Post: Re: CC251x: Typo in DN114 (SWRA241A): "Test Signals for debug purpose"

    esy
    Hi spachner. You are right, this is a typo in the document. Thank you for reporting it.
    on Apr 29, 2009

  • Forum Post: USB Firmware Library and Examples Rev.B released

    Jomar Hønsi
    Our USB Firmware Library with software examples has been updated to Revision B. The new release features: Supports CC1111, CC2511 and CC2531 HID example emulates simple mouse and keyboard operations using a SmartRF04EB or SmartRF05EB CDC example with RF Modem/Virtual UART MRFI radio link...
    on May 28, 2009

  • Forum Post: Re: Can Debug Data (DD) and Debug Clock (DC) be used as regular GPIOs?

    aevin
    Just make sure your BJT and other IC can handle the random toggling from DD/DC while using the pins for debugging. Also note that when using the pins for GPIO, if you e.g. use one of them as input pin, and you try to debug your code, you will not be able to sense the pin levels correctly as the pin...
    on Jul 24, 2009
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