BLE Advertising - Appearance

[Jim Hewitt]

I'm working my way through BLE Advertising, a beginner's tutorial and getting a SDK error 4001 when trying to use

advdata.include_appearance = true;

Can anyone point me in the right direction as to resolving this?

[MartinBL]

Hi. That's pretty strange. So it worked before, but not after adding appearance? Nothing else was changed? What SDK to you use? Error 4001 is:

#define NRF_FAULT_ID_SDK_ERROR       NRF_FAULT_ID_SDK_RANGE_START + 1 /**< An error stemming from a call to @ref APP_ERROR_CHECK ....

Have you tried stepping through your code with a debugger trying to find this particular APP_ERROR_CHECK()?

[Jim Hewitt]

@Martin After stepping through the debugger, I was able to pinpoint the error from name_encode function which was returning NRF_ERROR_DATA_SIZE. The issue was that I had set advdata.short_name_len to 6. When I changed it to 3, it worked.

[Jim Hewitt]

After stepping through the debugger, I was able to pinpoint the error from

name_encode()

function which was returning NRF_ERROR_DATA_SIZE. The issue was that I had set

advdata.short_name_len = 6;

per the tutorial. When I changed it to 3 (as was shown later in the tutorial), it worked.