From 17f275204fba608acb6c0e14ac33164cbdcb1ac1 Mon Sep 17 00:00:00 2001
From: Matthias Ringwald <matthias@ringwald.ch>
Date: Mon, 8 Apr 2024 12:07:33 +0200
Subject: [PATCH] Test nRF53/SDC scan after connected
---
example/CMakeLists.txt | 7 +-
example/scan_after_connect.c | 187 +++++++++++++++++++++++++++++++++++
2 files changed, 191 insertions(+), 3 deletions(-)
create mode 100644 example/scan_after_connect.c
diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt
index da6d64dfe..808e5e475 100644
--- a/example/CMakeLists.txt
+++ b/example/CMakeLists.txt
@@ -58,10 +58,11 @@ set(EXAMPLES_LE_ONLY
le_streamer_client
mesh_node_demo
nordic_spp_le_counter
- nordic_spp_le_streamer
- sm_pairing_central
+ nordic_spp_le_streamer
+ scan_after_connect
+ sm_pairing_central
sm_pairing_peripheral
- ublox_spp_le_counter
+ ublox_spp_le_counter
)
# List of Examples that use Bluetooth BR/EDR/LE = Dual Mode
diff --git a/example/scan_after_connect.c b/example/scan_after_connect.c
new file mode 100644
index 000000000..edbd58aa6
--- /dev/null
+++ b/example/scan_after_connect.c
@@ -0,0 +1,187 @@
+/*
+ * Copyright (C) 2014 BlueKitchen GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * 4. Any redistribution, use, or modification is done solely for
+ * personal benefit and not for any commercial purpose or for
+ * monetary gain.
+ *
+ * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN
+ * GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+ * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Please inquire about commercial licensing options at
+ * contact@bluekitchen-gmbh.com
+ *
+ */
+
+#define BTSTACK_FILE__ "scan_after_connect.c"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "btstack.h"
+
+static hci_con_handle_t connection_handle;
+static gatt_client_service_t services[40];
+static int service_count = 0;
+static int service_index = 0;
+
+static btstack_packet_callback_registration_t hci_event_callback_registration;
+
+static void handle_hci_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
+
+static void handle_gatt_client_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
+
+static void printUUID(uint8_t * uuid128, uint16_t uuid16){
+ if (uuid16){
+ printf("%04x",uuid16);
+ } else {
+ printf("%s", uuid128_to_str(uuid128));
+ }
+}
+
+static void dump_characteristic(gatt_client_characteristic_t * characteristic){
+ printf(" * characteristic: [0x%04x-0x%04x-0x%04x], properties 0x%02x, uuid ",
+ characteristic->start_handle, characteristic->value_handle, characteristic->end_handle, characteristic->properties);
+ printUUID(characteristic->uuid128, characteristic->uuid16);
+ printf("\n");
+}
+
+static void dump_service(gatt_client_service_t * service){
+ printf(" * service: [0x%04x-0x%04x], uuid ", service->start_group_handle, service->end_group_handle);
+ printUUID(service->uuid128, service->uuid16);
+ printf("\n");
+}
+
+static void handle_hci_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
+ UNUSED(channel);
+ UNUSED(size);
+
+ if (packet_type != HCI_EVENT_PACKET) return;
+
+ uint8_t event = hci_event_packet_get_type(packet);
+ switch (event) {
+ case BTSTACK_EVENT_STATE:
+ // BTstack activated, get started
+ if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) break;
+ printf("BTstack activated, start scanning!\n");
+ gap_set_scan_parameters(0,480, 48);
+ gap_start_scan();
+ break;
+ case GAP_EVENT_ADVERTISING_REPORT:
+ if (ad_data_contains_uuid16(gap_event_advertising_report_get_data_length(packet), gap_event_advertising_report_get_data(packet), 0xff10)){
+ // stop scanning, and connect to the device
+ bd_addr_t addr;
+ gap_event_advertising_report_get_address(packet, addr);
+ printf("GATT Counter found with %s, try to connect\n", bd_addr_to_str(addr));
+ gap_stop_scan();
+ gap_connect(addr, gap_event_advertising_report_get_address_type(packet));
+ }
+ break;
+ case GAP_EVENT_EXTENDED_ADVERTISING_REPORT:
+ if (ad_data_contains_uuid16(gap_event_extended_advertising_report_get_data_length(packet), gap_event_extended_advertising_report_get_data(packet), 0xff10)){
+ // stop scanning, and connect to the device
+ bd_addr_t addr;
+ gap_event_extended_advertising_report_get_address(packet, addr);
+ printf("GATT Counter found with %s, try to connect\n", bd_addr_to_str(addr));
+ gap_stop_scan();
+ gap_connect(addr, gap_event_extended_advertising_report_get_address_type(packet));
+ }
+ break;
+ case HCI_EVENT_META_GAP:
+ // wait for connection complete
+ if (hci_event_gap_meta_get_subevent_code(packet) != GAP_SUBEVENT_LE_CONNECTION_COMPLETE) break;
+ printf("\nGATT browser - CONNECTED\n");
+ connection_handle = gap_subevent_le_connection_complete_get_connection_handle(packet);
+ // query primary services
+ gatt_client_discover_primary_services(handle_gatt_client_event, connection_handle);
+ break;
+ case HCI_EVENT_DISCONNECTION_COMPLETE:
+ printf("\nGATT browser - DISCONNECTED\n");
+ break;
+ default:
+ break;
+ }
+}
+
+static void handle_gatt_client_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
+ UNUSED(packet_type);
+ UNUSED(channel);
+ UNUSED(size);
+
+ gatt_client_service_t service;
+ gatt_client_characteristic_t characteristic;
+ switch(hci_event_packet_get_type(packet)){
+ case GATT_EVENT_SERVICE_QUERY_RESULT:
+ gatt_event_service_query_result_get_service(packet, &service);
+ dump_service(&service);
+ services[service_count++] = service;
+ break;
+ case GATT_EVENT_CHARACTERISTIC_QUERY_RESULT:
+ gatt_event_characteristic_query_result_get_characteristic(packet, &characteristic);
+ dump_characteristic(&characteristic);
+ break;
+ case GATT_EVENT_QUERY_COMPLETE:
+ // GATT_EVENT_QUERY_COMPLETE of search characteristics
+ if (service_index < service_count) {
+ service = services[service_index++];
+ printf("\nGATT browser - CHARACTERISTIC for SERVICE %s, [0x%04x-0x%04x]\n",
+ uuid128_to_str(service.uuid128), service.start_group_handle, service.end_group_handle);
+ gatt_client_discover_characteristics_for_service(handle_gatt_client_event, connection_handle, &service);
+ break;
+ }
+ service_index = 0;
+ // query complete, connect to next device
+ printf("Query complete, connect to next device\n");
+ gap_start_scan();
+ break;
+ default:
+ break;
+ }
+}
+int btstack_main(int argc, const char * argv[]);
+int btstack_main(int argc, const char * argv[]){
+ // Initialize L2CAP and register HCI event handler
+ l2cap_init();
+
+ // Setup security manager (needed for random address)
+ sm_init();
+
+ // Initialize GATT client
+ gatt_client_init();
+
+ // use random address
+ gap_random_address_set_mode(GAP_RANDOM_ADDRESS_NON_RESOLVABLE);
+
+ // register for HCI events
+ hci_event_callback_registration.callback = &handle_hci_event;
+ hci_add_event_handler(&hci_event_callback_registration);
+
+ // turn on!
+ hci_power_control(HCI_POWER_ON);
+ return 0;
+}
+
+