CC11XLDK-868-915

SWRU292A January 2012 CC11xL 868/915 MHz Development Kit Quick Start Guide Opening the Box and Running the Packet Error Rate Test 1. Kit Contents 2. TrxEB Overview Power Selection EM Breakout 3. Plug the EM into the TrxEB Board Mode Switches EM Connectors Main Power Switch USB 2 x SmartRF™ Transciever EB (TrxEB) 2 x CC110LEM 868/915 MHz 1 x CC113LEM 868/915 MHz 1 x CC115LEM 868/915 MHz 1 x MSP430 Debug Probe (FET) 2 x Micro USB Cables 1 x Standard USB Cable 1 x 14-pin Flat Cable 4 x 1.5 Volt AA Batteries Documentation Insert a CC110LEM into the TrxEB. The connectors will only fit in one position so that the EM cannot be inserted the wrong way. Do not use excessive force on the EM. MSP430 Debug Interface MSP430 Breakout LCD Buttons LEDs The EM has a PCB antenna, so there is no need for an external antenna. Caution! The kit contains ESD sensitive components. Handle with care to prevent permanent damage. To minimize risk of injury, avoid touching components during operation if symbolized as hot. 4. Select Board Mode 5. Power Options Use the switches S1 and S2 to select the operating mode of the board. For the sake of this quick start guide, please select “Enable” and “UART”. This configuration will make it possible to communicate directly with the MSP430 over a virtual COM port on the PC. There are several ways of applying power to the TrxEB.     You can also use CC113L and CC115L for the Per test, but note that CC113L is a receiver only and CC115L is a transmitter only. 6. Select Power Source 2 x 1.5 V AA batteries USB External Power Supply MSP430 Debugger For the batteries and USB, there are voltage regulators on the TrxEB that will set the on-board voltage to 3.3 V. The external power supply should set a voltage that does not exceed 3.3 V. By default, the MSP430 debugger supplies 3.0 V. Note that there should only be one active power source at any one time. Warning! To minimize risk of personal injury or property damage, never use rechargeable batteries to power the board. Do not leave the EVM powered when unattended. Depending on the power source, make sure you connect jumpers to the appropriate pins on the “Power Source” header. For instance, if you use batteries, use a jumper to shortcircuit pin 1 and 2 on the header. The last jumper in the row (pin 9-10) should always be mounted, unless the MSP430 FET is used as the power source. 7. Welcome Screen 8. Packet Error Rate Test 9. Select Test Mode Turn on power with the Main Power switch. You should now see the Texas Instruments logo and a short description of the buttons on the LCD. Pushing any of the five buttons on the board will take you to the main menu. Select the PER (Packet Error Rate) test by highlighting the selection using the up/down buttons. Confirm your selection by pressing Enter (right button). The PER test can be run is several modes. Easy Mode sets up a one-way test and uses default settings. This test is convenient for practical range testing. The other test modes are described in the “Software Examples for CC112x, CC11xL and CC1101 User’s Guide”. NB! If you don’t see anything on the screen – don’t panic. First, make sure the mode switches are in the correct positions (see step 4 above). Secondly, the first build of TrxEB unfortunately uses a connector that doesn’t fit exactly to the pins of the LCD. It should be sufficient to tilt the LCD slightly to get a snug fit with the connector. To proceed, highlight “Easy Mode” and press Enter (right button). Web sites: E2E Forum: www.ti.com/lprf www.ti.com/lprf-forum Make sure to subscribe to the Low-Power RF Newsletter to receive information about updates to documentation, new product releases, and more. Sign up on the TI web pages. 10. Select Frequency 11. Select Mode 12. Establish Link One of the boards must operate as the slave (transmitter) and the other as master (receiver). Select Slave on one board… The slave node will now wait for a configuration package from the Master. The configuration contains the parameters used for the PER test. …and Master on the other board. The configuration package will be sent when you select “link devices” on the master node. 13. Link Established 14. Start the Receiver (master) 15. PER Test Results When the initial linking has completed, the slave node will start the test by continuously transmitting packets to the master. On the master node, you can select the number of packets you want to receive in order to calculate the packet error. The master will display a window that plots the received signal strength (RSSI) for each packet. When selecting “Start PER Test”, the master (receiver) will begin to count the number of received packets and provide some statistics. Press the “Up” button to go to the detailed statistical window. 17. Troubleshooting 18. References It you are experiencing problems with this test, please check the following: Please visit www.ti.com and  http://www.ti.com/tool/cc11xldk-868-915 Select which frequency to use for the test. Make sure that the evaluation modules you have match the selected frequency. 16. PER Test Results The statistics window will show the error rate based on the number of lost or erroneous packets divided by the total number of packets that should have been received.   Nothing is shown in the display! Unfortunately, the first series of TrxEB uses a connector that doesn’t fit exactly to the pins of the LCD. It should be sufficient to tilt the LCD slightly to get a snug fit with the connector. Please visit the kit web page and check for updated SW and documentation. Updated SW can be downloaded to the device using IAR EW430 or SmartRF Flash Programmer. If you get poor PER results at short distances, try to move the transmitter and receiver further apart. The CC11xL receiver may experience saturation if it is too close to the other CC11xL transmitting at full output power. On the kit product page, you will find additional documentation, links to updated software examples and software tools like SmartRF Studio. You will also find a lot of information on the TI E2E forum at http://e2e.ti.com We hope that you will enjoy working with the CC110L, CC113L and CC115L devices. SmartRF™ Studio 1. Download and Install 2. Launch SmartRF Studio 3. Test the Radio Before connecting SmartRF TrxEB to your PC, download and install SmartRF Studio from www.ti.com/smartrfstudio. After installing the tool, connect the EB to the PC using the USB cable and start SmartRF Studio. Select the “Sub 1 GHz” tab and double click the highlighted device icon (CC110L, CC113L or CC115L). 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