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CC2340R2: Migrating host_test from CC2340R5

Luke
Expert 4485 points

Part Number: CC2340R2
Other Parts Discussed in Thread: CC2340R5, SYSCONFIG

Tool/software:

Hi team,

I have been working with the customer on migrating the host_test example from CC2340R5 to the R2. However, they have tested both their code as well as my own and it does not connect to their BLE tester (tried two separate equipment setups)

We believe we are running into UART communication problems post-migration and would like some advice on confirming the UART pin definition is correct. Could you help us to understand how to modify the TXD, RXD, CTS, RTS settings and map them properly?

I have attached the customer's SysConfig file below as well as some images they shared on their configuration.

https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/538/host_5F00_test_5F00_customer.syscfg

Let me know if there is anything else that would be helpful to resolve this!

Thanks,

Luke

  • +1
    TI__Mastermind 44410 points

    Hi Luke,

    The sysconfig is still pin locked to the launchpad design. To unlock it, we must Click on USE CUSTOM BOARD:

    Lets leave the pinmux locked here and then manually change the pins depending on their design. After clicking continue, there may be errors. These must be resolved by assigning the proper pins to each peripheral depending on their design. With regards to UART specifically, given the provided schematic, the tx pin may be set to DIO20_A11/9, but the RX pin must be set to one of the following pins:

    This is due to each DMA having a set list of pins they can be muxed to.

    Best Regards,

    Jan