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Original question:

CC2652R: Transmit BLE iBeacon packet with rfPacketTx app

CC2340R5: How can I change the RF frequency during code running

zbin fan
Prodigy 50 points

Part Number: CC2340R5

Tool/software:

in rfPacketTx,I have successfully implemented sending data in channel 37, and can see the data in the Bluetooth sniffer. However, I tried to change the RF frequency in the code, but I cannot see the data on channels 38 and 39, and only one channel can be selected in syscfg. How do I implement this feature? I need to send data in channels 37 38 39.

I know using BLE stack can solve my problem, but we are not allowed to use practices with RTOS for this project.

  • 0
    TI__Mastermind 44770 points

    Hi,

    Thank you for reaching out. You should be able to change the frequency by modifying the .rfFrequency field of the RCL_CmdGenericTC structure. You will need to wait until any existing command is completed or terminate any RCL operation. The next operation submitted should use the new frequency.

    Best Regards,

    Jan

  • 0 in reply to Jan
    Prodigy 50 points

    Thank you for your answer. This is the solution I discovered yesterday. When I tried to change the frequency in cmd separately, I couldn't see the data on other channels. But I compared the differences in radio_configby switching the frequency in syscfg and found that the PBE_GENERIC_RAM.WHITEINIT in LRF_commRegCfg[] is different. So I tried updating the value when switching the frequency, and now it is working.

  • 0 in reply to zbin fan
    TI__Mastermind 44770 points

    Hi,

    Thank you for sharing the solution! I will close the thread at this time. If you have any further questions, then feel free to open a related thread and we would be happy to help!

    Best Regards,

    Jan