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Minimal advertising stack

Hi,

I have product that uses the S110 stack for communication. However I really need to lower the energy consumption and I am trying to make a minimal BLE implementation (without the S110) that just sends a few advertising packets. I've read the V4.0 core specification and know the packet formats and all, but can't get it to work on the NRF51822. What values do I need for BASE0, PREFIX0, CRCPOLY, CRCINIT, DATAWHITEIV etc. ? Timing? I've tried all reasonable combinations, include bit- and byte swapping values, but I can't get it to work.

Best regards, Andreas Wileur

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