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CC1312R7: wM-Bus Modes via syscfg

Part Number: CC1312R7
Other Parts Discussed in Thread: SYSCONFIG

Tool/software:

Hello,

in the syscfg tool I can select wM-Bus C-Mode and T-Mode for custom radio. It creates the code which contains the combined C/T mode patch. What's the purpose of having both modes individually here?

The SDK also contains the S-Mode patch. But there's no selection for S-Mode in syscfg.

How can I create the configuration for that mode?

And how can I create a configuration that allows me to toggle between C/T and S-Mode in my application?

Kind regards,

Michael.

  • Hi Michael

    C/T mode uses the same patch, but if you look a settings generated for both mode, you will see that the deviation is set different for C and T mode, meaning that when you transmit a packet, you should set the recommended deviation for that mode (in RX you will use the same settings since you do not know if you are receiving C or T mode).

    Also there is an override that needs to be set to be able to transmit a C mode packet (HW_REG_OVERRIDE(0x5328,0x4000). Without this override, a T mode packet is transmitted.

    Please see https://www.ti.com/lit/swra522 for details

    I will file a bug report on S mode settings not being available in SysConfig.

    You can generate the settings using MsartRF STudio instead, and then add them manually to your project.

    If you need to toggle between two RF Configuratiosn, you can either have one rfHandle for each config, or you can open and closing the RF driver with the approriate settings/config for each mode.

    BR

    Siri