/** * Reset the advertising state machine. * * Context: Link Layer task * */ void ble_ll_adv_reset(void) { struct ble_ll_adv_sm *advsm; advsm = &g_ble_ll_adv_sm; /* Stop advertising state machine */ ble_ll_adv_sm_stop(advsm); /* re-initialize the advertiser state machine */ ble_ll_adv_init(); }
/** * Reset the advertising state machine. * * Context: Link Layer task * */ void ble_ll_adv_reset(void) { struct ble_ll_adv_sm *advsm; advsm = &g_ble_ll_adv_sm; /* Stop advertising state machine */ ble_ll_adv_sm_stop(advsm); /* Free scan pdu's */ os_mbuf_free_chain(advsm->scan_rsp_pdu); /* re-initialize the advertiser state machine */ ble_ll_adv_init(); }
/** * Initialize the Link Layer. Should be called only once * * @return int */ void ble_ll_init(void) { int rc; uint8_t features; struct ble_ll_obj *lldata; /* Get pointer to global data object */ lldata = &g_ble_ll_data; /* Set acl pkt size and number */ lldata->ll_num_acl_pkts = MYNEWT_VAL(BLE_ACL_BUF_COUNT); lldata->ll_acl_pkt_size = MYNEWT_VAL(BLE_ACL_BUF_SIZE); /* Initialize eventq */ os_eventq_init(&lldata->ll_evq); /* Initialize the transmit (from host) and receive (from phy) queues */ STAILQ_INIT(&lldata->ll_tx_pkt_q); STAILQ_INIT(&lldata->ll_rx_pkt_q); /* Initialize transmit (from host) and receive packet (from phy) event */ lldata->ll_rx_pkt_ev.ev_cb = ble_ll_event_rx_pkt; lldata->ll_tx_pkt_ev.ev_cb = ble_ll_event_tx_pkt; lldata->ll_dbuf_overflow_ev.ev_cb = ble_ll_event_dbuf_overflow; /* Initialize the HW error timer */ os_callout_init(&g_ble_ll_data.ll_hw_err_timer, &g_ble_ll_data.ll_evq, ble_ll_hw_err_timer_cb, NULL); /* Initialize wait for response timer */ os_cputime_timer_init(&g_ble_ll_data.ll_wfr_timer, ble_ll_wfr_timer_exp, NULL); ble_ll_hci_os_event_buf = malloc( OS_MEMPOOL_BYTES(16, sizeof (struct os_event))); SYSINIT_PANIC_ASSERT(ble_ll_hci_os_event_buf != NULL); /* Create memory pool of OS events */ rc = os_mempool_init(&g_ble_ll_hci_ev_pool, 16, sizeof (struct os_event), ble_ll_hci_os_event_buf, "g_ble_ll_hci_ev_pool"); SYSINIT_PANIC_ASSERT(rc == 0); /* Initialize LL HCI */ ble_ll_hci_init(); /* Init the scheduler */ ble_ll_sched_init(); /* Initialize advertiser */ ble_ll_adv_init(); /* Initialize a scanner */ ble_ll_scan_init(); /* Initialize the connection module */ ble_ll_conn_module_init(); /* Set the supported features. NOTE: we always support extended reject. */ features = BLE_LL_FEAT_EXTENDED_REJ; #if (MYNEWT_VAL(BLE_LL_CFG_FEAT_DATA_LEN_EXT) == 1) features |= BLE_LL_FEAT_DATA_LEN_EXT; #endif #if (MYNEWT_VAL(BLE_LL_CFG_FEAT_CONN_PARAM_REQ) == 1) features |= BLE_LL_FEAT_CONN_PARM_REQ; #endif #if (MYNEWT_VAL(BLE_LL_CFG_FEAT_SLAVE_INIT_FEAT_XCHG) == 1) features |= BLE_LL_FEAT_SLAVE_INIT; #endif #if (MYNEWT_VAL(BLE_LL_CFG_FEAT_LE_ENCRYPTION) == 1) features |= BLE_LL_FEAT_LE_ENCRYPTION; #endif #if (MYNEWT_VAL(BLE_LL_CFG_FEAT_LL_PRIVACY) == 1) features |= (BLE_LL_FEAT_LL_PRIVACY | BLE_LL_FEAT_EXT_SCAN_FILT); ble_ll_resolv_init(); #endif #if (MYNEWT_VAL(BLE_LL_CFG_FEAT_LE_PING) == 1) features |= BLE_LL_FEAT_LE_PING; #endif /* Initialize random number generation */ ble_ll_rand_init(); /* XXX: This really doesn't belong here, as the address probably has not * been set yet. */ ble_ll_seed_prng(); lldata->ll_supp_features = features; /* Initialize the LL task */ os_task_init(&g_ble_ll_task, "ble_ll", ble_ll_task, NULL, MYNEWT_VAL(BLE_LL_PRIO), OS_WAIT_FOREVER, g_ble_ll_stack, BLE_LL_STACK_SIZE); rc = stats_init_and_reg(STATS_HDR(ble_ll_stats), STATS_SIZE_INIT_PARMS(ble_ll_stats, STATS_SIZE_32), STATS_NAME_INIT_PARMS(ble_ll_stats), "ble_ll"); SYSINIT_PANIC_ASSERT(rc == 0); ble_hci_trans_cfg_ll(ble_ll_hci_cmd_rx, NULL, ble_ll_hci_acl_rx, NULL); }