main/main.c (ble_periodic_adv sample)

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/* * SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Unlicense OR CC0-1.0 */ #include "esp_log.h" #include "nvs_flash.h" /* BLE */ #include "nimble/nimble_port.h" #include "nimble/nimble_port_freertos.h" #include "host/ble_hs.h" #include "host/util/util.h" #include "console/console.h" #include "services/gap/ble_svc_gap.h" #include "periodic_adv.h" #include "host/ble_gap.h" #include "host/ble_hs_adv.h" #include "patterns.h" #if CONFIG_EXAMPLE_EXTENDED_ADV static uint8_t periodic_adv_raw_data[] = {'E', 'S', 'P', '_', 'P', 'E', 'R', 'I', 'O', 'D', 'I', 'C', '_', 'A', 'D', 'V'}; #endif static const char *tag = "NimBLE_BLE_PERIODIC_ADV"; #if CONFIG_EXAMPLE_RANDOM_ADDR static uint8_t own_addr_type = BLE_OWN_ADDR_RANDOM; #else static uint8_t own_addr_type; #endif void ble_store_config_init(void); #if CONFIG_EXAMPLE_EXTENDED_ADV /** * Enables advertising with the following parameters: * o General discoverable mode. * o Undirected connectable mode. */ static void start_periodic_adv(void) { int rc; struct ble_gap_periodic_adv_params pparams; struct ble_gap_ext_adv_params params; struct ble_hs_adv_fields adv_fields; struct os_mbuf *data; uint8_t instance = 1; ble_addr_t addr; #if MYNEWT_VAL(BLE_PERIODIC_ADV_ENH) struct ble_gap_periodic_adv_enable_params eparams; memset(&eparams, 0, sizeof(eparams)); #endif /* set random (NRPA) address for instance */ rc = ble_hs_id_gen_rnd(1, &addr); assert (rc == 0); MODLOG_DFLT(INFO, "Device Address: "); print_addr(addr.val); MODLOG_DFLT(INFO, "\n"); /* For periodic we use instance with non-connectable advertising */ memset (&params, 0, sizeof(params)); /* advertise using random addr */ params.own_addr_type = BLE_OWN_ADDR_RANDOM; params.primary_phy = BLE_HCI_LE_PHY_1M; params.secondary_phy = BLE_HCI_LE_PHY_2M; params.sid = 2; /* configure instance 1 */ rc = ble_gap_ext_adv_configure(instance, &params, NULL, NULL, NULL); assert (rc == 0); rc = ble_gap_ext_adv_set_addr(instance, &addr ); assert (rc == 0); memset(&adv_fields, 0, sizeof(adv_fields)); adv_fields.name = (const uint8_t *)"Periodic ADV"; adv_fields.name_len = strlen((char *)adv_fields.name); /* Default to legacy PDUs size, mbuf chain will be increased if needed */ data = os_msys_get_pkthdr(BLE_HCI_MAX_ADV_DATA_LEN, 0); assert(data); rc = ble_hs_adv_set_fields_mbuf(&adv_fields, data); assert(rc == 0); rc = ble_gap_ext_adv_set_data(instance, data); assert(rc == 0); /* configure periodic advertising */ memset(&pparams, 0, sizeof(pparams)); pparams.include_tx_power = 0; pparams.itvl_min = BLE_GAP_ADV_ITVL_MS(120); pparams.itvl_max = BLE_GAP_ADV_ITVL_MS(240); rc = ble_gap_periodic_adv_configure(instance, &pparams); assert(rc == 0); data = os_msys_get_pkthdr(sizeof(periodic_adv_raw_data), 0); assert(data); rc = os_mbuf_append(data, periodic_adv_raw_data, sizeof(periodic_adv_raw_data)); assert(rc == 0); #if MYNEWT_VAL(BLE_PERIODIC_ADV_ENH) rc = ble_gap_periodic_adv_set_data(instance, data, NULL); #else rc = ble_gap_periodic_adv_set_data(instance, data); #endif assert (rc == 0); /* start periodic advertising */ #if MYNEWT_VAL(BLE_PERIODIC_ADV_ENH) #if CONFIG_EXAMPLE_PERIODIC_ADV_ENH eparams.include_adi = 1; #endif rc = ble_gap_periodic_adv_start(instance, &eparams); #else rc = ble_gap_periodic_adv_start(instance); #endif assert (rc == 0); /* start advertising */ rc = ble_gap_ext_adv_start(instance, 0, 0); assert (rc == 0); MODLOG_DFLT(INFO, "instance %u started (periodic)\n", instance); } #endif static void periodic_adv_on_reset(int reason) { MODLOG_DFLT(ERROR, "Resetting state; reason=%d\n", reason); } #if CONFIG_EXAMPLE_RANDOM_ADDR static void periodic_adv_set_addr(void) { ble_addr_t addr; int rc; /* generate new non-resolvable private address */ rc = ble_hs_id_gen_rnd(0, &addr); assert(rc == 0); /* set generated address */ rc = ble_hs_id_set_rnd(addr.val); assert(rc == 0); } #endif static void periodic_adv_on_sync(void) { int rc; #if CONFIG_EXAMPLE_RANDOM_ADDR /* Generate a non-resolvable private address. */ periodic_adv_set_addr(); /* Make sure we have proper identity address set (public preferred) */ rc = ble_hs_util_ensure_addr(1); #else rc = ble_hs_util_ensure_addr(0); #endif assert(rc == 0); /* Figure out address to use while advertising (no privacy for now) */ rc = ble_hs_id_infer_auto(0, &own_addr_type); if (rc != 0) { MODLOG_DFLT(ERROR, "error determining address type; rc=%d\n", rc); return; } /* Begin advertising. */ #if CONFIG_EXAMPLE_EXTENDED_ADV start_periodic_adv(); #endif } void periodic_adv_host_task(void *param) { ESP_LOGI(tag, "BLE Host Task Started"); /* This function will return only when nimble_port_stop() is executed */ nimble_port_run(); nimble_port_freertos_deinit(); } void app_main(void) { int rc; /* Initialize NVS — it is used to store PHY calibration data */ esp_err_t ret = nvs_flash_init(); if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) { ESP_ERROR_CHECK(nvs_flash_erase()); ret = nvs_flash_init(); } ESP_ERROR_CHECK(ret); ret = nimble_port_init(); if (ret != ESP_OK) { ESP_LOGE(tag, "Failed to init nimble %d ", ret); return; } /* Initialize the NimBLE host configuration. */ ble_hs_cfg.reset_cb = periodic_adv_on_reset; ble_hs_cfg.sync_cb = periodic_adv_on_sync; ble_hs_cfg.store_status_cb = ble_store_util_status_rr; /* Set the default device name. */ rc = ble_svc_gap_device_name_set("nimble_periodic_adv"); assert(rc == 0); /* XXX Need to have template for store */ ble_store_config_init(); nimble_port_freertos_init(periodic_adv_host_task); }