uart multilink central

[helen]

Hi

      I modify the ble_app_uart_c example to support connecting multiple nus peripherals.Calling the new_cccd_configure(p_ble_nus_c, true) return error after nus_c  discovers nus completed as figure below.I can not find the reason.Attachment is my code. 

           milti_uart_c.7z

[Turbo J]

Did you change the code in ble_nus_c.c?

It looks to me like the err_code variable is uninitialized, thus you read a random value off the stack memory.

[helen]

1、

The reason is as what you say，thank you.

2、There is no code for breakpoint in the project and ble_nus_c_string_send() isn‘t called by project.And It is not invalid to set the optimization level to 0.

 

[helen]

Hi

        

            Yes，I open the project  as-is without any modifications in options.

[Kenneth]

You can either compile with debug configuration and/or change the optimization on specific files like this:

[helen]

Hi

      

       I've tried this way before, but the no code for breakpoint is still in the project.Do you have any other suggestion？

[Kenneth]

For the release notes of each nRF5 SDK you should find which versions of tools were used, I suggest to check if you can download those in specific. Also I suggest to try another example for comparison.

Kenneth

[Turbo J]

There will be no code generated for those marked lines if NRF_SDH_BLE_PERIPHERAL_LINK_COUNT is set to zero. Which it is in your 7z file in your first post.

If the compiler refuses to generate code, there will usually be a good reason.