About the development environment for DA14531

Hi, Dear
Please tell me the following about using the DA14531MOD.

Q1
Could you please tell me the names and how to obtain (URL, etc.) of the tools required for the following software development and writing firmware?
By above tools, I mean IDE and writing tools. If there are any tools that Renesas recommends or has a good track record of using, please let us know.

    a)DSPS smartConfig
    b)Codeless
    c)GTL
    d)HCI
    e)SDK6 Approach

Q2
Are there any tutorials that describe how to use the above b) and e) and the software development procedures?
My ultimate goal is to develop firmware that switches between central and peripheral based on the above b), but for now I would like to check the basic operation with the above b).

Q3
The debug pin (SWD) of the DA14531MOD uses a 5-pin connector, but could you tell me the name of the cable required for development?

Best Regards,
T.I.