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How to modify CC430 RF examples to 433MHz?

Bob Chou
Intellectual 530 points
Other Parts Discussed in Thread: CC430F5137

Now I am using WizziMote, which integrates CC430F5137 on board for wireless communication experiments. I found SLAA465 CC430 RF examples and tried to upload them to my wizzi board. The Fixed_LT_FIFO communication example is designed for 898/915MHz communication but WizziMote is designed for 433MHz. So I changed the RfRegSetting.c which define the RF settings. I changed RF Frequency register to 433MHz, and made some necessary changes to fit the example to wizzi. 

When I debug the code on my board I found that it can go into the RF interrupt RFIFG9 but cannot receive anything. I also cannot know whether the transmission is successful.

Can anybody help me with this problem?

  • 0
    TI__Guru* 86231 points

    I do not know anything about the HW you are using, but from a CC430 standpoint there is nothing else you need to do when changing the RF example from 868 to 433 MHz, other than to change the FREQ registers and the PA_TABLE.

    Do not know what changes you have done in addition to this, when you say that you in addition did some necessary changes.

    If you get the RFIFG9 interrupt, falling, edge, but have not received anything that means that address check failed or the RF FIFO was overflowing.

    Siri

  • 0 in reply to Siri
    Intellectual 530 points
    Thank you Siri, I followed your instruction and now I made everything work.
  • 0 in reply to Bob Chou
    Prodigy 80 points

    Hey there,

    I am also facing same issue. I have developed my own hardware using TI reference guide. But not able to configure the code to 433 MHz from other sub-1 GHz band. Can you please share some more details what changes you have doen to get it work with 433 MHz.

    I am not sure that my HW is working or not but parally I am also testing code with one of the kit from local vendor (imported from china)

    Please reply. Thanks....

    -Piyush

  • 0 in reply to Piyush Manavar
    Intellectual 530 points
    Hi Piyush,

    I'm not sure what your problem actually is, you should first check the HW definitely.
    For the configuration part, I would recommend using example code or generating your radio configuration for your specific radio chip using TI's SmartRF Studio, it provides basic tools for testing your radio.