Commit c5e75509 authored by Vinayak Kariappa Chettimada's avatar Vinayak Kariappa Chettimada Committed by Carles Cufi
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Bluetooth: controller: Add function to calculate channel identifier 



Added function to calculate channel identifier value
required for Channel Selection Algorithm #2.

Signed-off-by: default avatarVinayak Kariappa Chettimada <vich@nordicsemi.no>
parent b8136160

subsys/bluetooth/controller/ll_sw/lll_chan.c

+8 −0
Original line number Diff line number Diff line
@@ -44,6 +44,14 @@ uint8_t lll_chan_sel_1(uint8_t *chan_use, uint8_t hop, uint16_t latency, uint8_t 
#endif /* CONFIG_BT_CONN */



#if defined(CONFIG_BT_CTLR_CHAN_SEL_2)

uint16_t lll_chan_id(uint8_t *access_addr)

{

	uint16_t aa_ls = ((uint16_t)access_addr[1] << 8) | access_addr[0];

	uint16_t aa_ms = ((uint16_t)access_addr[3] << 8) | access_addr[2];



	return aa_ms ^ aa_ls;

}



uint8_t lll_chan_sel_2(uint16_t counter, uint16_t chan_id, uint8_t *chan_map,

		    uint8_t chan_count)

{

subsys/bluetooth/controller/ll_sw/lll_chan.h

+1 −0
Original line number Diff line number Diff line
@@ -6,5 +6,6 @@ 


uint8_t lll_chan_sel_1(uint8_t *chan_use, uint8_t hop, uint16_t latency, uint8_t *chan_map,

		    uint8_t chan_count);

uint16_t lll_chan_id(uint8_t *access_addr);

uint8_t lll_chan_sel_2(uint16_t counter, uint16_t chan_id, uint8_t *chan_map,

		    uint8_t chan_count);

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