diff --git a/example/Makefile.inc b/example/Makefile.inc
index 6e30ed8c6f..e91aa8100d 100644
--- a/example/Makefile.inc
+++ b/example/Makefile.inc
@@ -216,6 +216,8 @@ EXAMPLES_CLASSIC_ONLY =     \
 	spp_streamer            \
 	spp_streamer_client     \
 	ublox_spp_le_counter    \
+	classic_paring_central    \
+	classic_paring_peripheral \
 
 # List of Examples that only use Bluetooth LE
 
@@ -301,6 +303,12 @@ default_target: all
 
 # examples
 
+classic_paring_central: ${CORE_OBJ} ${COMMON_OBJ} ${CLASSIC_OBJ} classic_paring_central.c
+	${CC} $^ ${CFLAGS} ${LDFLAGS} -o $@
+
+classic_paring_peripheral: ${CORE_OBJ} ${COMMON_OBJ} ${CLASSIC_OBJ} classic_paring_peripheral.c
+	${CC} $^ ${CFLAGS} ${LDFLAGS} -o $@
+
 ant_test: ${CORE_OBJ} ${COMMON_OBJ} ${CLASSIC_OBJ} ant_test.c
 	${CC} $^ ${CFLAGS} ${LDFLAGS} -o $@
 
diff --git a/example/classic_paring_central.c b/example/classic_paring_central.c
new file mode 100644
index 0000000000..e7f8846d3c
--- /dev/null
+++ b/example/classic_paring_central.c
@@ -0,0 +1,703 @@
+/*
+ * 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__ "classic_paring_central.c"
+
+/*
+ * classic_paring_central.c
+ */
+
+// *****************************************************************************
+/* EXAMPLE_START(classic_paring_central):
+ * 
+ * @text Note: It initializes an ACL link to the peer and raises the security level.
+ */
+// *****************************************************************************
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+ 
+#include "btstack.h"
+
+// prototypes
+static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
+static btstack_packet_callback_registration_t hci_event_callback_registration;
+
+static bool inquiry_for_peer = true;
+static bool secure_simple_paring = true;
+static io_capability_t io_capability = IO_CAPABILITY_DISPLAY_ONLY;
+static bd_addr_t peer_addr;
+static gap_security_level_t security_level = LEVEL_0;
+static uint16_t link_handle;
+static bool dump_hci_event = false;
+
+#define INQUIRY_INTERVAL 5
+static void start_scan(void){
+    printf("Starting inquiry scan..\n");
+    gap_inquiry_start(INQUIRY_INTERVAL);
+}
+
+static void stop_scan(void){
+    printf("Stopping inquiry scan..\n");
+    gap_inquiry_stop();
+}
+
+static void make_acl_link(bd_addr_t remote){
+    link_key_t key;
+    link_key_type_t key_type;
+    if (gap_get_link_key_for_bd_addr(remote, key, &key_type)) {
+        printf("Link key type %d for %s is found. Drop it\n", key_type, bd_addr_to_str(remote));
+        gap_drop_link_key_for_bd_addr(remote);
+    }
+    
+    printf("Make a new ACL link to %s\n", bd_addr_to_str(remote));
+    gap_connect(remote, BD_ADDR_TYPE_ACL);
+    dump_hci_event = true;
+}
+
+#define VALUE_TO_STR_IF_MATCH(value, macro) if((value)==(macro)){return(#macro);}
+
+char *hci_event_type_to_str(uint8_t value) {
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_NOP);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_INQUIRY_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_INQUIRY_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_CONNECTION_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_CONNECTION_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_DISCONNECTION_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_AUTHENTICATION_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_ENCRYPTION_CHANGE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_CHANGE_CONNECTION_LINK_KEY_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_MASTER_LINK_KEY_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_READ_REMOTE_SUPPORTED_FEATURES_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_READ_REMOTE_VERSION_INFORMATION_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_QOS_SETUP_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_COMMAND_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_COMMAND_STATUS);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_HARDWARE_ERROR);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_FLUSH_OCCURRED);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_ROLE_CHANGE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_NUMBER_OF_COMPLETED_PACKETS);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_MODE_CHANGE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_RETURN_LINK_KEYS);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_PIN_CODE_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_LINK_KEY_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_LINK_KEY_NOTIFICATION);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_LOOPBACK_COMMAND);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_DATA_BUFFER_OVERFLOW);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_MAX_SLOTS_CHANGED);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_READ_CLOCK_OFFSET_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_CONNECTION_PACKET_TYPE_CHANGED);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_QOS_VIOLATION);
+    // 0x1f not defined
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_PAGE_SCAN_REPETITION_MODE_CHANGE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_FLOW_SPECIFICATION_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_INQUIRY_RESULT_WITH_RSSI);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_READ_REMOTE_EXTENDED_FEATURES_COMPLETE);
+    // 0x24..0x2b not defined
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_SYNCHRONOUS_CONNECTION_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_SYNCHRONOUS_CONNECTION_CHANGED);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_SNIFF_SUBRATING);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_EXTENDED_INQUIRY_RESPONSE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_ENCRYPTION_KEY_REFRESH_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_IO_CAPABILITY_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_IO_CAPABILITY_RESPONSE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_USER_CONFIRMATION_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_USER_PASSKEY_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_REMOTE_OOB_DATA_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_SIMPLE_PAIRING_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_LINK_SUPERVISION_TIMEOUT_CHANGED);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_ENHANCED_FLUSH_COMPLETE);
+    // 0x03a not defined
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_USER_PASSKEY_NOTIFICATION);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_KEYPRESS_NOTIFICATION);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_REMOTE_HOST_SUPPORTED_FEATURES);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_LE_META);
+    // 0x3f..0x47 not defined
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_NUMBER_OF_COMPLETED_DATA_BLOCKS);
+    // 0x49..0x58 not defined
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_ENCRYPTION_CHANGE_V2);
+    // last used HCI_EVENT in 5.3 is 0x59
+    // stat with 0x60
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_EVENT_STATE);
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_EVENT_NR_CONNECTIONS_CHANGED);
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_EVENT_POWERON_FAILED);
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_VERSION);
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_SYSTEM_BLUETOOTH_ENABLED);
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_REMOTE_NAME_CACHED);
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_EVENT_SCAN_MODE_CHANGED);
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_CONNECTION_OPENED);
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_CONNECTION_CLOSED);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_TRANSPORT_SLEEP_MODE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_TRANSPORT_USB_INFO);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_BIS_CAN_SEND_NOW);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_CIS_CAN_SEND_NOW);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_TRANSPORT_READY);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_TRANSPORT_PACKET_SENT);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_SCO_CAN_SEND_NOW);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_CHANNEL_OPENED);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_CHANNEL_CLOSED);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_INCOMING_CONNECTION);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_TIMEOUT_CHECK);
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_L2CAP_CREDITS);
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_L2CAP_SERVICE_REGISTERED);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_CONNECTION_PARAMETER_UPDATE_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_CONNECTION_PARAMETER_UPDATE_RESPONSE);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_INFORMATION_RESPONSE);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_CAN_SEND_NOW);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_PACKET_SENT);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_ERTM_BUFFER_RELEASED);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_CBM_INCOMING_CONNECTION);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_CBM_CHANNEL_OPENED);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_TRIGGER_RUN);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_ECBM_INCOMING_CONNECTION);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_EVENT_CHANNEL_OPENED);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_EVENT_CHANNEL_CLOSED);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_EVENT_INCOMING_CONNECTION);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_EVENT_REMOTE_LINE_STATUS);
+    //0x84 not defined
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_RFCOMM_SERVICE_REGISTERED);
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_RFCOMM_PERSISTENT_CHANNEL);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_EVENT_REMOTE_MODEM_STATUS);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_EVENT_PORT_CONFIGURATION);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_EVENT_CAN_SEND_NOW);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_ECBM_CHANNEL_OPENED);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_ECBM_RECONFIGURED);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_ECBM_RECONFIGURATION_COMPLETE);
+    // 0x8d .. 0x8f not defined
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_SDP_SERVICE_REGISTERED);
+    VALUE_TO_STR_IF_MATCH(value, SDP_EVENT_QUERY_COMPLETE); 
+    VALUE_TO_STR_IF_MATCH(value, SDP_EVENT_QUERY_RFCOMM_SERVICE);
+    VALUE_TO_STR_IF_MATCH(value, SDP_EVENT_QUERY_ATTRIBUTE_BYTE);
+    VALUE_TO_STR_IF_MATCH(value, SDP_EVENT_QUERY_ATTRIBUTE_VALUE);
+    VALUE_TO_STR_IF_MATCH(value, SDP_EVENT_QUERY_SERVICE_RECORD_HANDLE);
+    //0x96 .. 0x9f not defined
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_QUERY_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_SERVICE_QUERY_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_CHARACTERISTIC_QUERY_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_INCLUDED_SERVICE_QUERY_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_ALL_CHARACTERISTIC_DESCRIPTORS_QUERY_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_CHARACTERISTIC_VALUE_QUERY_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_LONG_CHARACTERISTIC_VALUE_QUERY_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_NOTIFICATION);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_INDICATION);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_CHARACTERISTIC_DESCRIPTOR_QUERY_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_LONG_CHARACTERISTIC_DESCRIPTOR_QUERY_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_MTU);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_CAN_WRITE_WITHOUT_RESPONSE);
+    //0xad .. 0xb2 not defined
+    VALUE_TO_STR_IF_MATCH(value, ATT_EVENT_CONNECTED);
+    VALUE_TO_STR_IF_MATCH(value, ATT_EVENT_DISCONNECTED);
+    VALUE_TO_STR_IF_MATCH(value, ATT_EVENT_MTU_EXCHANGE_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, ATT_EVENT_HANDLE_VALUE_INDICATION_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, ATT_EVENT_CAN_SEND_NOW);
+    //0xb8 .. 0xbf not defined
+    VALUE_TO_STR_IF_MATCH(value, BNEP_EVENT_SERVICE_REGISTERED);
+    VALUE_TO_STR_IF_MATCH(value, BNEP_EVENT_CHANNEL_OPENED);
+    VALUE_TO_STR_IF_MATCH(value, BNEP_EVENT_CHANNEL_CLOSED);
+    VALUE_TO_STR_IF_MATCH(value, BNEP_EVENT_CHANNEL_TIMEOUT);    
+    VALUE_TO_STR_IF_MATCH(value, BNEP_EVENT_CAN_SEND_NOW);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_JUST_WORKS_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_PASSKEY_DISPLAY_NUMBER);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_PASSKEY_DISPLAY_CANCEL);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_PASSKEY_INPUT_NUMBER);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_NUMERIC_COMPARISON_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_IDENTITY_RESOLVING_STARTED);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_IDENTITY_RESOLVING_FAILED);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_IDENTITY_RESOLVING_SUCCEEDED);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_AUTHORIZATION_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_AUTHORIZATION_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_KEYPRESS_NOTIFICATION);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_IDENTITY_CREATED);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_PAIRING_STARTED);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_PAIRING_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_REENCRYPTION_STARTED);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_REENCRYPTION_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, GAP_EVENT_SECURITY_LEVEL);
+    VALUE_TO_STR_IF_MATCH(value, GAP_EVENT_DEDICATED_BONDING_COMPLETED);
+    VALUE_TO_STR_IF_MATCH(value, GAP_EVENT_ADVERTISING_REPORT);
+    VALUE_TO_STR_IF_MATCH(value, GAP_EVENT_EXTENDED_ADVERTISING_REPORT);
+    VALUE_TO_STR_IF_MATCH(value, GAP_EVENT_INQUIRY_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, GAP_EVENT_INQUIRY_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, GAP_EVENT_RSSI_MEASUREMENT);
+    VALUE_TO_STR_IF_MATCH(value, GAP_EVENT_LOCAL_OOB_DATA);
+    VALUE_TO_STR_IF_MATCH(value, GAP_EVENT_PAIRING_STARTED);
+    VALUE_TO_STR_IF_MATCH(value, GAP_EVENT_PAIRING_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_META_GAP);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_HSP_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_HFP_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_ANCS_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_AVDTP_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_AVRCP_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_GOEP_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_PBAP_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_HID_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_A2DP_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_HIDS_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_GATTSERVICE_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_BIP_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_MAP_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_MESH_META);
+    //0xf6 .. 0xfe not defined
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_VENDOR_SPECIFIC);
+
+    static char undefined_event_type[] = "Undefined HCI_EVENT_TYPE 0x00";
+    sprintf(undefined_event_type, "Undefined HCI_EVENT_TYPE 0x%02x", value);
+    return undefined_event_type;
+}
+
+char *bt_error_code_to_str(uint8_t value) {
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_SUCCESS);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_UNKNOWN_HCI_COMMAND);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_HARDWARE_FAILURE);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_PAGE_TIMEOUT);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_AUTHENTICATION_FAILURE);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_PIN_OR_KEY_MISSING);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_MEMORY_CAPACITY_EXCEEDED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONNECTION_TIMEOUT);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONNECTION_LIMIT_EXCEEDED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_SYNCHRONOUS_CONNECTION_LIMIT_TO_A_DEVICE_EXCEEDED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_ACL_CONNECTION_ALREADY_EXISTS);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_COMMAND_DISALLOWED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONNECTION_REJECTED_DUE_TO_LIMITED_RESOURCES);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONNECTION_REJECTED_DUE_TO_SECURITY_REASONS); 
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONNECTION_REJECTED_DUE_TO_UNACCEPTABLE_BD_ADDR); 
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONNECTION_ACCEPT_TIMEOUT_EXCEEDED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_UNSUPPORTED_FEATURE_OR_PARAMETER_VALUE); 
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_INVALID_HCI_COMMAND_PARAMETERS); 
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_REMOTE_USER_TERMINATED_CONNECTION);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_REMOTE_DEVICE_TERMINATED_CONNECTION_DUE_TO_LOW_RESOURCES);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_REMOTE_DEVICE_TERMINATED_CONNECTION_DUE_TO_POWER_OFF);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONNECTION_TERMINATED_BY_LOCAL_HOST);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_REPEATED_ATTEMPTS);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_PAIRING_NOT_ALLOWED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_UNKNOWN_LMP_PDU);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_UNSUPPORTED_REMOTE_FEATURE_UNSUPPORTED_LMP_FEATURE);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_SCO_OFFSET_REJECTED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_SCO_INTERVAL_REJECTED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_SCO_AIR_MODE_REJECTED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_INVALID_LMP_PARAMETERS_INVALID_LL_PARAMETERS);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_UNSPECIFIED_ERROR);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_UNSUPPORTED_LMP_PARAMETER_VALUE_UNSUPPORTED_LL_PARAMETER_VALUE);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_ROLE_CHANGE_NOT_ALLOWED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_LMP_RESPONSE_TIMEOUT_LL_RESPONSE_TIMEOUT);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_LMP_ERROR_TRANSACTION_COLLISION);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_LMP_PDU_NOT_ALLOWED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_ENCRYPTION_MODE_NOT_ACCEPTABLE);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_LINK_KEY_CANNOT_BE_CHANGED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_REQUESTED_QOS_NOT_SUPPORTED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_INSTANT_PASSED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_PAIRING_WITH_UNIT_KEY_NOT_SUPPORTED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_DIFFERENT_TRANSACTION_COLLISION);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_RESERVED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_QOS_UNACCEPTABLE_PARAMETER);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_QOS_REJECTED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CHANNEL_CLASSIFICATION_NOT_SUPPORTED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_INSUFFICIENT_SECURITY);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE);
+    // ERROR_CODE_RESERVED
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_ROLE_SWITCH_PENDING);
+    // ERROR_CODE_RESERVED
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_RESERVED_SLOT_VIOLATION);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_ROLE_SWITCH_FAILED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_EXTENDED_INQUIRY_RESPONSE_TOO_LARGE);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_SECURE_SIMPLE_PAIRING_NOT_SUPPORTED_BY_HOST);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_HOST_BUSY_PAIRING);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONNECTION_REJECTED_DUE_TO_NO_SUITABLE_CHANNEL_FOUND);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONTROLLER_BUSY);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_UNACCEPTABLE_CONNECTION_PARAMETERS);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_DIRECTED_ADVERTISING_TIMEOUT);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONNECTION_TERMINATED_DUE_TO_MIC_FAILURE);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONNECTION_FAILED_TO_BE_ESTABLISHED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_MAC_CONNECTION_FAILED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_COARSE_CLOCK_ADJUSTMENT_REJECTED_BUT_WILL_TRY_TO_ADJUST_USING_CLOCK_DRAGGING);
+
+    // BTstack defined ERRORS, mapped into BLuetooth status code range
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_CONNECTION_TO_BTDAEMON_FAILED);
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_ACTIVATION_FAILED_SYSTEM_BLUETOOTH);
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_ACTIVATION_POWERON_FAILED);
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_ACTIVATION_FAILED_UNKNOWN);
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_NOT_ACTIVATED);
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_BUSY);
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_MEMORY_ALLOC_FAILED);
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_ACL_BUFFERS_FULL);
+
+    // l2cap errors - enumeration by the command that created them
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_COMMAND_REJECT_REASON_COMMAND_NOT_UNDERSTOOD);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_COMMAND_REJECT_REASON_SIGNALING_MTU_EXCEEDED);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_COMMAND_REJECT_REASON_INVALID_CID_IN_REQUEST);
+
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_CONNECTION_RESPONSE_RESULT_SUCCESSFUL);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_CONNECTION_RESPONSE_RESULT_PENDING);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_CONNECTION_RESPONSE_RESULT_REFUSED_PSM);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_CONNECTION_RESPONSE_RESULT_REFUSED_SECURITY);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_CONNECTION_RESPONSE_RESULT_REFUSED_RESOURCES);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_CONNECTION_RESPONSE_RESULT_ERTM_NOT_SUPPORTED);
+
+    // should be L2CAP_CONNECTION_RTX_TIMEOUT
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_CONNECTION_RESPONSE_RESULT_RTX_TIMEOUT);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_CONNECTION_BASEBAND_DISCONNECT);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_SERVICE_ALREADY_REGISTERED);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_DATA_LEN_EXCEEDS_REMOTE_MTU);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_SERVICE_DOES_NOT_EXIST);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_LOCAL_CID_DOES_NOT_EXIST);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_CONNECTION_RESPONSE_UNKNOWN_ERROR);
+
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_MULTIPLEXER_STOPPED);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_CHANNEL_ALREADY_REGISTERED);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_NO_OUTGOING_CREDITS);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_AGGREGATE_FLOW_OFF);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_DATA_LEN_EXCEEDS_MTU);
+
+    VALUE_TO_STR_IF_MATCH(value, HFP_REMOTE_REJECTS_AUDIO_CONNECTION);
+
+    VALUE_TO_STR_IF_MATCH(value, SDP_HANDLE_ALREADY_REGISTERED);
+    VALUE_TO_STR_IF_MATCH(value, SDP_QUERY_INCOMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, SDP_SERVICE_NOT_FOUND);
+    VALUE_TO_STR_IF_MATCH(value, SDP_HANDLE_INVALID);
+    VALUE_TO_STR_IF_MATCH(value, SDP_QUERY_BUSY);
+
+    VALUE_TO_STR_IF_MATCH(value, ATT_HANDLE_VALUE_INDICATION_IN_PROGRESS); 
+    VALUE_TO_STR_IF_MATCH(value, ATT_HANDLE_VALUE_INDICATION_TIMEOUT);
+    VALUE_TO_STR_IF_MATCH(value, ATT_HANDLE_VALUE_INDICATION_DISCONNECT);
+
+    VALUE_TO_STR_IF_MATCH(value, GATT_CLIENT_NOT_CONNECTED);
+    VALUE_TO_STR_IF_MATCH(value, GATT_CLIENT_BUSY);
+    VALUE_TO_STR_IF_MATCH(value, GATT_CLIENT_IN_WRONG_STATE);
+    VALUE_TO_STR_IF_MATCH(value, GATT_CLIENT_DIFFERENT_CONTEXT_FOR_ADDRESS_ALREADY_EXISTS);
+    VALUE_TO_STR_IF_MATCH(value, GATT_CLIENT_VALUE_TOO_LONG);
+    VALUE_TO_STR_IF_MATCH(value, GATT_CLIENT_CHARACTERISTIC_NOTIFICATION_NOT_SUPPORTED);
+    VALUE_TO_STR_IF_MATCH(value, GATT_CLIENT_CHARACTERISTIC_INDICATION_NOT_SUPPORTED); 
+
+    VALUE_TO_STR_IF_MATCH(value, BNEP_SERVICE_ALREADY_REGISTERED);
+    VALUE_TO_STR_IF_MATCH(value, BNEP_CHANNEL_NOT_CONNECTED);
+    VALUE_TO_STR_IF_MATCH(value, BNEP_DATA_LEN_EXCEEDS_MTU);
+
+    // OBEX ERRORS
+    VALUE_TO_STR_IF_MATCH(value, OBEX_UNKNOWN_ERROR);
+    VALUE_TO_STR_IF_MATCH(value, OBEX_CONNECT_FAILED);
+    VALUE_TO_STR_IF_MATCH(value, OBEX_DISCONNECTED);
+    VALUE_TO_STR_IF_MATCH(value, OBEX_NOT_FOUND);
+    VALUE_TO_STR_IF_MATCH(value, OBEX_NOT_ACCEPTABLE);
+    VALUE_TO_STR_IF_MATCH(value, OBEX_ABORTED);
+
+    VALUE_TO_STR_IF_MATCH(value, MESH_ERROR_APPKEY_INDEX_INVALID);
+
+    static char undefined_error_code[] = "Undefined BT_ERROR_CODE 0x00";
+    sprintf(undefined_error_code, "Undefined BT_ERROR_CODE 0x%02x", value);
+    return undefined_error_code;
+}
+
+char *packet_type_to_str(uint8_t value) {
+    VALUE_TO_STR_IF_MATCH(value, HCI_COMMAND_DATA_PACKET);
+    VALUE_TO_STR_IF_MATCH(value, HCI_ACL_DATA_PACKET);
+    VALUE_TO_STR_IF_MATCH(value, HCI_SCO_DATA_PACKET);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_PACKET);
+
+    // FIXME: Don't know what 5 stands for
+    //VALUE_TO_STR_IF_MATCH(value, HCI_ISO_DATA_PACKET);
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_PACKET);
+    // L2CAP data
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_DATA_PACKET);
+    // RFCOMM data
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_DATA_PACKET);
+    // Attribute protocol data
+    VALUE_TO_STR_IF_MATCH(value, ATT_DATA_PACKET);
+    // Security Manager protocol data
+    VALUE_TO_STR_IF_MATCH(value, SM_DATA_PACKET);
+    // SDP query result - only used by daemon
+    // format: type (8), record_id (16), attribute_id (16), attribute_length (16), attribute_value (max 1k)
+    VALUE_TO_STR_IF_MATCH(value, SDP_CLIENT_PACKET);
+    // BNEP data
+    VALUE_TO_STR_IF_MATCH(value, BNEP_DATA_PACKET);
+    // Unicast Connectionless Data
+    VALUE_TO_STR_IF_MATCH(value, UCD_DATA_PACKET);
+    // GOEP data
+    VALUE_TO_STR_IF_MATCH(value, GOEP_DATA_PACKET);
+    // PBAP data
+    VALUE_TO_STR_IF_MATCH(value, PBAP_DATA_PACKET);
+    // AVRCP browsing data
+    VALUE_TO_STR_IF_MATCH(value, AVRCP_BROWSING_DATA_PACKET);
+    // MAP data
+    VALUE_TO_STR_IF_MATCH(value, MAP_DATA_PACKET);
+    // Mesh Provisioning PDU
+    VALUE_TO_STR_IF_MATCH(value, PROVISIONING_DATA_PACKET);
+    // Mesh Proxy PDU
+    VALUE_TO_STR_IF_MATCH(value, MESH_PROXY_DATA_PACKET);
+    // Mesh Network PDU
+    VALUE_TO_STR_IF_MATCH(value, MESH_NETWORK_PACKET);
+    // Mesh Network PDU
+    VALUE_TO_STR_IF_MATCH(value, MESH_BEACON_PACKET);
+    // debug log messages
+    VALUE_TO_STR_IF_MATCH(value, LOG_MESSAGE_PACKET);
+
+    static char undefined_packet_type[] = "Undefined PACKET_TYPE 0x00";
+    sprintf(undefined_packet_type, "Undefined PACKET_TYPE 0x%02x", value);
+    return undefined_packet_type;
+}
+
+/* 
+ * @section Gerenal Packet Handler
+ * 
+ * @text Handles startup (BTSTACK_EVENT_STATE), inquiry, pairing
+ */
+static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
+    UNUSED(channel);
+
+	switch (packet_type) {
+		case HCI_EVENT_PACKET:
+			switch (hci_event_packet_get_type(packet)) {
+                case BTSTACK_EVENT_STATE:
+                    if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) return;
+                    if (inquiry_for_peer) {
+                        start_scan();
+                    }
+                    else {
+                        make_acl_link(peer_addr);
+                    }
+                    break;
+
+                case GAP_EVENT_INQUIRY_RESULT:
+                    gap_event_inquiry_result_get_bd_addr(packet, peer_addr);
+                    stop_scan();
+                    if (gap_event_inquiry_result_get_name_available(packet)) {
+                        char name_buffer[240];
+                        size_t name_len;
+                        if (gap_event_inquiry_result_get_name_len(packet) < sizeof(name_buffer)) {
+                            name_len = gap_event_inquiry_result_get_name_len(packet);
+                        }
+                        else {
+                            name_len = sizeof(name_buffer - 1);
+                        }
+                        memcpy(name_buffer, gap_event_inquiry_result_get_name(packet), name_len);
+                        name_buffer[name_len] = 0;
+                        printf("Found %s with name %s\n", bd_addr_to_str(peer_addr), name_buffer);
+                    }
+                    else {
+                        printf("Found %s without name, requesting name\n", bd_addr_to_str(peer_addr));
+                        gap_remote_name_request(peer_addr, gap_event_inquiry_result_get_page_scan_repetition_mode(packet), \
+                                                gap_event_inquiry_result_get_clock_offset(packet) | 0x8000);
+                    }
+                    break;
+                    
+                case HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE:
+                    if (ERROR_CODE_SUCCESS == hci_event_remote_name_request_complete_get_status(packet)) {
+                        printf("The name of %s is %s\n", bd_addr_to_str(peer_addr), hci_event_remote_name_request_complete_get_remote_name(packet));
+                    }
+                    else {
+                        printf("Error %s when requesting name of %s\n", bt_error_code_to_str(hci_event_remote_name_request_complete_get_status(packet)), bd_addr_to_str(peer_addr));
+                    }
+                    make_acl_link(peer_addr);
+                    break;
+                case GAP_EVENT_INQUIRY_COMPLETE:
+                    printf("Inquiry complete status %s\n", bt_error_code_to_str(gap_event_inquiry_complete_get_status(packet)));
+                    break;
+
+                case HCI_EVENT_CONNECTION_COMPLETE:
+                    if (ERROR_CODE_SUCCESS == hci_event_connection_complete_get_status(packet)) {
+                        link_handle = hci_event_connection_complete_get_connection_handle(packet);
+                        printf("ACL link 0x%x established.\n", link_handle);
+                        if (security_level != gap_security_level(link_handle)) {
+                            printf("Set security level to %d\n", security_level);
+                            gap_request_security_level(link_handle, security_level);
+                        }
+                    }
+                    else {
+                        printf("ACL link failed %s\n", bt_error_code_to_str(hci_event_connection_complete_get_status(packet)));
+                    }
+                    break;
+
+                case HCI_EVENT_IO_CAPABILITY_RESPONSE:
+                    printf("Peer io_capability %d oob_data_present %d authentication_requirements %d\n", \
+                        hci_event_io_capability_response_get_io_capability(packet), \
+                        hci_event_io_capability_response_get_oob_data_present(packet), \
+                        hci_event_io_capability_response_get_authentication_requirements(packet));
+                    break;
+
+                case GAP_EVENT_PAIRING_COMPLETE:
+                    if (ERROR_CODE_SUCCESS == gap_event_pairing_complete_get_status(packet)) {
+                        printf("Paring completed\n");
+                    }
+                    else {
+                        printf("Paring failed %s\n", bt_error_code_to_str(gap_event_pairing_complete_get_status(packet)));
+                    }
+                    break;
+
+                case GAP_EVENT_SECURITY_LEVEL:
+                    printf("Link handle 0x%x security level %d\n", \
+                        gap_event_security_level_get_handle(packet), \
+                        gap_event_security_level_get_security_level(packet));
+                    break;
+
+                case HCI_EVENT_AUTHENTICATION_COMPLETE:
+                    printf("Link handle 0x%x authentication status %s\n", \
+                        hci_event_authentication_complete_get_connection_handle(packet), \
+                        bt_error_code_to_str(hci_event_authentication_complete_get_status(packet)));
+                    break;
+
+                case HCI_EVENT_PIN_CODE_REQUEST:
+                    // inform about pin code request
+                    printf("LMP Paring - pin code request - using '0000'\n");
+                    hci_event_pin_code_request_get_bd_addr(packet, peer_addr);
+                    gap_pin_code_response(peer_addr, "0000");
+                    break;
+
+                case HCI_EVENT_USER_CONFIRMATION_REQUEST:
+                    // inform about user confirmation request
+                    printf("SSP User Confirmation Request with numeric value '%06"PRIu32"'\n", little_endian_read_32(packet, 8));
+                    printf("SSP User Confirmation Auto accept\n");
+                    break;
+
+                default:
+                    if (dump_hci_event) {
+                        printf("%s\n", hci_event_type_to_str(hci_event_packet_get_type(packet)));
+                    }
+                    break;
+			}
+            break;
+
+        default:
+            printf("%s\n", packet_type_to_str(packet_type));
+            break;
+	}
+}
+
+/*
+ * @section Main Application Setup
+ *
+ * @text As with the packet handlers, the combined app setup contains the code from the individual example setups.
+ */
+
+#ifdef HAVE_BTSTACK_STDIN
+static void usage(const char *name){
+	fprintf(stderr, "\nUsage: %s [-h|--help]\n"
+                    "\t[-s|--ssp <0|1>]\n"
+                    "\t[-i|--io_capability <0-3>]\n"
+                    "\t[-a|--address aa:bb:cc:dd:ee:ff]\n"
+                    "\t[-l|--level <0-4>]\n", name);
+
+    fprintf(stderr, "\n\t-h --help\n"
+                    "\tPrint this usage and exit.\n"
+                    
+                    "\n\t-s --ssp\n"
+                    "\tEnable(1)/disable(0) Secure Simple Paring. Use enable(1) if not specified.\n"
+                    "\tIf SSP is disabled, LMP paring(PIN-code based) is used.\n"
+                    "\tSSP should always been enabled unless working with devices which doesn't support Bluetooth 2.1.\n"
+
+                    "\n\t-i --io_capability\n"
+                    "\tSet local io_capability when using SSP. Use DISPLAY_ONLY(0) if not specified.\n"
+                    "\t\t0 -- DISPLAY_ONLY\n"
+                    "\t\t1 -- DISPLAY_YES_NO\n"
+                    "\t\t2 -- KEYBOARD_ONLY\n"
+                    "\t\t3 -- NO_INPUT_NO_OUTPUT\n"
+
+                    "\n\t-a --address\n"
+                    "\tSepcify the remote address. Use the first address from inqury if not specified.\n"
+
+                    "\n\t-l --level\n"
+                    "\tSepcify the security level once a connection is established. Use 0 if not specified.\n");
+}
+#endif
+
+/* LISTING_START(MainConfiguration): Init L2CAP and starts to inquiry or connect */
+int btstack_main(int argc, const char * argv[]);
+int btstack_main(int argc, const char * argv[]) {
+    #ifdef HAVE_BTSTACK_STDIN
+    int arg = 1;
+    while (arg < argc) {
+        if (!strcmp(argv[arg], "-h") || !strcmp(argv[arg], "--help")) {
+            usage(argv[0]);
+            hci_power_control(HCI_POWER_OFF);
+            exit(0);
+        }
+        else if(!strcmp(argv[arg], "-s") || !strcmp(argv[arg], "--ssp")) {
+            arg++;
+            secure_simple_paring = atoi(argv[arg]);
+            arg++;
+        }
+        else if(!strcmp(argv[arg], "-i") || !strcmp(argv[arg], "--io_capability")) {
+            arg++;
+            io_capability = atoi(argv[arg]);
+            arg++;
+        }
+        else if(!strcmp(argv[arg], "-a") || !strcmp(argv[arg], "--address")) {
+            arg++;
+            inquiry_for_peer = !sscanf_bd_addr(argv[arg], peer_addr);
+            arg++;
+        }
+        else if(!strcmp(argv[arg], "-l") || !strcmp(argv[arg], "--level")) {
+            arg++;
+            security_level = atoi(argv[arg]);
+            arg++;
+        }
+        else {
+            printf("Unknown argument %s omitted.\n", argv[arg++]);
+        }
+	}
+    #endif
+
+    printf("Secure simple paring is %s\n", secure_simple_paring ? "enabled" : "disabled");
+    if (secure_simple_paring) {
+        printf("Local io_capability is %d\n", io_capability);
+    }
+    if (inquiry_for_peer) {
+        printf("Using inqury\n");
+    }
+    printf("Security level for completed link is %d\n", security_level);
+
+    l2cap_init();
+
+    // register for HCI events
+    hci_event_callback_registration.callback = &packet_handler;
+    hci_add_event_handler(&hci_event_callback_registration);
+
+    gap_ssp_set_enable(secure_simple_paring);
+    if (secure_simple_paring) {
+        gap_ssp_set_io_capability(io_capability);
+    }
+
+    // turn on!
+	hci_power_control(HCI_POWER_ON);
+	    
+    return 0;
+}
+/* LISTING_END */
+/* EXAMPLE_END */
diff --git a/example/classic_paring_peripheral.c b/example/classic_paring_peripheral.c
new file mode 100644
index 0000000000..597581ef8c
--- /dev/null
+++ b/example/classic_paring_peripheral.c
@@ -0,0 +1,616 @@
+/*
+ * 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__ "classic_paring_peripheral.c"
+
+/*
+ * classic_paring_peripheral.c
+ */
+
+// *****************************************************************************
+/* EXAMPLE_START(classic_paring_peripheral):
+ * 
+ * @text Note: It initializes an ACL link to the peer and raises the security level.
+ */
+// *****************************************************************************
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+ 
+#include "btstack.h"
+
+// prototypes
+static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
+static btstack_packet_callback_registration_t hci_event_callback_registration;
+
+static bool secure_simple_paring = true;
+static io_capability_t io_capability = IO_CAPABILITY_DISPLAY_ONLY;
+static bool dump_hci_event = false;
+
+#define VALUE_TO_STR_IF_MATCH(value, macro) if((value)==(macro)){return(#macro);}
+
+char *hci_event_type_to_str(uint8_t value) {
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_NOP);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_INQUIRY_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_INQUIRY_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_CONNECTION_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_CONNECTION_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_DISCONNECTION_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_AUTHENTICATION_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_ENCRYPTION_CHANGE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_CHANGE_CONNECTION_LINK_KEY_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_MASTER_LINK_KEY_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_READ_REMOTE_SUPPORTED_FEATURES_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_READ_REMOTE_VERSION_INFORMATION_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_QOS_SETUP_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_COMMAND_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_COMMAND_STATUS);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_HARDWARE_ERROR);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_FLUSH_OCCURRED);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_ROLE_CHANGE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_NUMBER_OF_COMPLETED_PACKETS);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_MODE_CHANGE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_RETURN_LINK_KEYS);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_PIN_CODE_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_LINK_KEY_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_LINK_KEY_NOTIFICATION);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_LOOPBACK_COMMAND);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_DATA_BUFFER_OVERFLOW);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_MAX_SLOTS_CHANGED);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_READ_CLOCK_OFFSET_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_CONNECTION_PACKET_TYPE_CHANGED);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_QOS_VIOLATION);
+    // 0x1f not defined
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_PAGE_SCAN_REPETITION_MODE_CHANGE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_FLOW_SPECIFICATION_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_INQUIRY_RESULT_WITH_RSSI);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_READ_REMOTE_EXTENDED_FEATURES_COMPLETE);
+    // 0x24..0x2b not defined
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_SYNCHRONOUS_CONNECTION_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_SYNCHRONOUS_CONNECTION_CHANGED);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_SNIFF_SUBRATING);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_EXTENDED_INQUIRY_RESPONSE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_ENCRYPTION_KEY_REFRESH_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_IO_CAPABILITY_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_IO_CAPABILITY_RESPONSE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_USER_CONFIRMATION_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_USER_PASSKEY_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_REMOTE_OOB_DATA_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_SIMPLE_PAIRING_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_LINK_SUPERVISION_TIMEOUT_CHANGED);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_ENHANCED_FLUSH_COMPLETE);
+    // 0x03a not defined
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_USER_PASSKEY_NOTIFICATION);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_KEYPRESS_NOTIFICATION);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_REMOTE_HOST_SUPPORTED_FEATURES);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_LE_META);
+    // 0x3f..0x47 not defined
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_NUMBER_OF_COMPLETED_DATA_BLOCKS);
+    // 0x49..0x58 not defined
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_ENCRYPTION_CHANGE_V2);
+    // last used HCI_EVENT in 5.3 is 0x59
+    // stat with 0x60
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_EVENT_STATE);
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_EVENT_NR_CONNECTIONS_CHANGED);
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_EVENT_POWERON_FAILED);
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_VERSION);
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_SYSTEM_BLUETOOTH_ENABLED);
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_REMOTE_NAME_CACHED);
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_EVENT_SCAN_MODE_CHANGED);
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_CONNECTION_OPENED);
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_CONNECTION_CLOSED);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_TRANSPORT_SLEEP_MODE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_TRANSPORT_USB_INFO);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_BIS_CAN_SEND_NOW);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_CIS_CAN_SEND_NOW);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_TRANSPORT_READY);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_TRANSPORT_PACKET_SENT);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_SCO_CAN_SEND_NOW);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_CHANNEL_OPENED);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_CHANNEL_CLOSED);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_INCOMING_CONNECTION);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_TIMEOUT_CHECK);
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_L2CAP_CREDITS);
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_L2CAP_SERVICE_REGISTERED);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_CONNECTION_PARAMETER_UPDATE_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_CONNECTION_PARAMETER_UPDATE_RESPONSE);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_INFORMATION_RESPONSE);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_CAN_SEND_NOW);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_PACKET_SENT);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_ERTM_BUFFER_RELEASED);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_CBM_INCOMING_CONNECTION);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_CBM_CHANNEL_OPENED);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_TRIGGER_RUN);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_ECBM_INCOMING_CONNECTION);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_EVENT_CHANNEL_OPENED);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_EVENT_CHANNEL_CLOSED);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_EVENT_INCOMING_CONNECTION);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_EVENT_REMOTE_LINE_STATUS);
+    //0x84 not defined
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_RFCOMM_SERVICE_REGISTERED);
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_RFCOMM_PERSISTENT_CHANNEL);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_EVENT_REMOTE_MODEM_STATUS);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_EVENT_PORT_CONFIGURATION);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_EVENT_CAN_SEND_NOW);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_ECBM_CHANNEL_OPENED);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_ECBM_RECONFIGURED);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_EVENT_ECBM_RECONFIGURATION_COMPLETE);
+    // 0x8d .. 0x8f not defined
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_SDP_SERVICE_REGISTERED);
+    VALUE_TO_STR_IF_MATCH(value, SDP_EVENT_QUERY_COMPLETE); 
+    VALUE_TO_STR_IF_MATCH(value, SDP_EVENT_QUERY_RFCOMM_SERVICE);
+    VALUE_TO_STR_IF_MATCH(value, SDP_EVENT_QUERY_ATTRIBUTE_BYTE);
+    VALUE_TO_STR_IF_MATCH(value, SDP_EVENT_QUERY_ATTRIBUTE_VALUE);
+    VALUE_TO_STR_IF_MATCH(value, SDP_EVENT_QUERY_SERVICE_RECORD_HANDLE);
+    //0x96 .. 0x9f not defined
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_QUERY_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_SERVICE_QUERY_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_CHARACTERISTIC_QUERY_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_INCLUDED_SERVICE_QUERY_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_ALL_CHARACTERISTIC_DESCRIPTORS_QUERY_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_CHARACTERISTIC_VALUE_QUERY_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_LONG_CHARACTERISTIC_VALUE_QUERY_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_NOTIFICATION);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_INDICATION);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_CHARACTERISTIC_DESCRIPTOR_QUERY_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_LONG_CHARACTERISTIC_DESCRIPTOR_QUERY_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_MTU);
+    VALUE_TO_STR_IF_MATCH(value, GATT_EVENT_CAN_WRITE_WITHOUT_RESPONSE);
+    //0xad .. 0xb2 not defined
+    VALUE_TO_STR_IF_MATCH(value, ATT_EVENT_CONNECTED);
+    VALUE_TO_STR_IF_MATCH(value, ATT_EVENT_DISCONNECTED);
+    VALUE_TO_STR_IF_MATCH(value, ATT_EVENT_MTU_EXCHANGE_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, ATT_EVENT_HANDLE_VALUE_INDICATION_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, ATT_EVENT_CAN_SEND_NOW);
+    //0xb8 .. 0xbf not defined
+    VALUE_TO_STR_IF_MATCH(value, BNEP_EVENT_SERVICE_REGISTERED);
+    VALUE_TO_STR_IF_MATCH(value, BNEP_EVENT_CHANNEL_OPENED);
+    VALUE_TO_STR_IF_MATCH(value, BNEP_EVENT_CHANNEL_CLOSED);
+    VALUE_TO_STR_IF_MATCH(value, BNEP_EVENT_CHANNEL_TIMEOUT);    
+    VALUE_TO_STR_IF_MATCH(value, BNEP_EVENT_CAN_SEND_NOW);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_JUST_WORKS_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_PASSKEY_DISPLAY_NUMBER);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_PASSKEY_DISPLAY_CANCEL);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_PASSKEY_INPUT_NUMBER);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_NUMERIC_COMPARISON_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_IDENTITY_RESOLVING_STARTED);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_IDENTITY_RESOLVING_FAILED);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_IDENTITY_RESOLVING_SUCCEEDED);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_AUTHORIZATION_REQUEST);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_AUTHORIZATION_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_KEYPRESS_NOTIFICATION);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_IDENTITY_CREATED);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_PAIRING_STARTED);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_PAIRING_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_REENCRYPTION_STARTED);
+    VALUE_TO_STR_IF_MATCH(value, SM_EVENT_REENCRYPTION_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, GAP_EVENT_SECURITY_LEVEL);
+    VALUE_TO_STR_IF_MATCH(value, GAP_EVENT_DEDICATED_BONDING_COMPLETED);
+    VALUE_TO_STR_IF_MATCH(value, GAP_EVENT_ADVERTISING_REPORT);
+    VALUE_TO_STR_IF_MATCH(value, GAP_EVENT_EXTENDED_ADVERTISING_REPORT);
+    VALUE_TO_STR_IF_MATCH(value, GAP_EVENT_INQUIRY_RESULT);
+    VALUE_TO_STR_IF_MATCH(value, GAP_EVENT_INQUIRY_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, GAP_EVENT_RSSI_MEASUREMENT);
+    VALUE_TO_STR_IF_MATCH(value, GAP_EVENT_LOCAL_OOB_DATA);
+    VALUE_TO_STR_IF_MATCH(value, GAP_EVENT_PAIRING_STARTED);
+    VALUE_TO_STR_IF_MATCH(value, GAP_EVENT_PAIRING_COMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_META_GAP);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_HSP_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_HFP_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_ANCS_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_AVDTP_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_AVRCP_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_GOEP_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_PBAP_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_HID_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_A2DP_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_HIDS_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_GATTSERVICE_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_BIP_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_MAP_META);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_MESH_META);
+    //0xf6 .. 0xfe not defined
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_VENDOR_SPECIFIC);
+
+    static char undefined_event_type[] = "Undefined HCI_EVENT_TYPE 0x00";
+    sprintf(undefined_event_type, "Undefined HCI_EVENT_TYPE 0x%02x", value);
+    return undefined_event_type;
+}
+
+char *bt_error_code_to_str(uint8_t value) {
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_SUCCESS);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_UNKNOWN_HCI_COMMAND);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_HARDWARE_FAILURE);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_PAGE_TIMEOUT);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_AUTHENTICATION_FAILURE);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_PIN_OR_KEY_MISSING);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_MEMORY_CAPACITY_EXCEEDED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONNECTION_TIMEOUT);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONNECTION_LIMIT_EXCEEDED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_SYNCHRONOUS_CONNECTION_LIMIT_TO_A_DEVICE_EXCEEDED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_ACL_CONNECTION_ALREADY_EXISTS);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_COMMAND_DISALLOWED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONNECTION_REJECTED_DUE_TO_LIMITED_RESOURCES);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONNECTION_REJECTED_DUE_TO_SECURITY_REASONS); 
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONNECTION_REJECTED_DUE_TO_UNACCEPTABLE_BD_ADDR); 
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONNECTION_ACCEPT_TIMEOUT_EXCEEDED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_UNSUPPORTED_FEATURE_OR_PARAMETER_VALUE); 
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_INVALID_HCI_COMMAND_PARAMETERS); 
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_REMOTE_USER_TERMINATED_CONNECTION);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_REMOTE_DEVICE_TERMINATED_CONNECTION_DUE_TO_LOW_RESOURCES);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_REMOTE_DEVICE_TERMINATED_CONNECTION_DUE_TO_POWER_OFF);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONNECTION_TERMINATED_BY_LOCAL_HOST);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_REPEATED_ATTEMPTS);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_PAIRING_NOT_ALLOWED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_UNKNOWN_LMP_PDU);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_UNSUPPORTED_REMOTE_FEATURE_UNSUPPORTED_LMP_FEATURE);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_SCO_OFFSET_REJECTED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_SCO_INTERVAL_REJECTED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_SCO_AIR_MODE_REJECTED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_INVALID_LMP_PARAMETERS_INVALID_LL_PARAMETERS);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_UNSPECIFIED_ERROR);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_UNSUPPORTED_LMP_PARAMETER_VALUE_UNSUPPORTED_LL_PARAMETER_VALUE);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_ROLE_CHANGE_NOT_ALLOWED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_LMP_RESPONSE_TIMEOUT_LL_RESPONSE_TIMEOUT);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_LMP_ERROR_TRANSACTION_COLLISION);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_LMP_PDU_NOT_ALLOWED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_ENCRYPTION_MODE_NOT_ACCEPTABLE);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_LINK_KEY_CANNOT_BE_CHANGED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_REQUESTED_QOS_NOT_SUPPORTED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_INSTANT_PASSED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_PAIRING_WITH_UNIT_KEY_NOT_SUPPORTED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_DIFFERENT_TRANSACTION_COLLISION);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_RESERVED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_QOS_UNACCEPTABLE_PARAMETER);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_QOS_REJECTED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CHANNEL_CLASSIFICATION_NOT_SUPPORTED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_INSUFFICIENT_SECURITY);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE);
+    // ERROR_CODE_RESERVED
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_ROLE_SWITCH_PENDING);
+    // ERROR_CODE_RESERVED
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_RESERVED_SLOT_VIOLATION);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_ROLE_SWITCH_FAILED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_EXTENDED_INQUIRY_RESPONSE_TOO_LARGE);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_SECURE_SIMPLE_PAIRING_NOT_SUPPORTED_BY_HOST);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_HOST_BUSY_PAIRING);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONNECTION_REJECTED_DUE_TO_NO_SUITABLE_CHANNEL_FOUND);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONTROLLER_BUSY);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_UNACCEPTABLE_CONNECTION_PARAMETERS);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_DIRECTED_ADVERTISING_TIMEOUT);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONNECTION_TERMINATED_DUE_TO_MIC_FAILURE);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_CONNECTION_FAILED_TO_BE_ESTABLISHED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_MAC_CONNECTION_FAILED);
+    VALUE_TO_STR_IF_MATCH(value, ERROR_CODE_COARSE_CLOCK_ADJUSTMENT_REJECTED_BUT_WILL_TRY_TO_ADJUST_USING_CLOCK_DRAGGING);
+
+    // BTstack defined ERRORS, mapped into BLuetooth status code range
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_CONNECTION_TO_BTDAEMON_FAILED);
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_ACTIVATION_FAILED_SYSTEM_BLUETOOTH);
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_ACTIVATION_POWERON_FAILED);
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_ACTIVATION_FAILED_UNKNOWN);
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_NOT_ACTIVATED);
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_BUSY);
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_MEMORY_ALLOC_FAILED);
+    VALUE_TO_STR_IF_MATCH(value, BTSTACK_ACL_BUFFERS_FULL);
+
+    // l2cap errors - enumeration by the command that created them
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_COMMAND_REJECT_REASON_COMMAND_NOT_UNDERSTOOD);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_COMMAND_REJECT_REASON_SIGNALING_MTU_EXCEEDED);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_COMMAND_REJECT_REASON_INVALID_CID_IN_REQUEST);
+
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_CONNECTION_RESPONSE_RESULT_SUCCESSFUL);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_CONNECTION_RESPONSE_RESULT_PENDING);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_CONNECTION_RESPONSE_RESULT_REFUSED_PSM);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_CONNECTION_RESPONSE_RESULT_REFUSED_SECURITY);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_CONNECTION_RESPONSE_RESULT_REFUSED_RESOURCES);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_CONNECTION_RESPONSE_RESULT_ERTM_NOT_SUPPORTED);
+
+    // should be L2CAP_CONNECTION_RTX_TIMEOUT
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_CONNECTION_RESPONSE_RESULT_RTX_TIMEOUT);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_CONNECTION_BASEBAND_DISCONNECT);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_SERVICE_ALREADY_REGISTERED);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_DATA_LEN_EXCEEDS_REMOTE_MTU);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_SERVICE_DOES_NOT_EXIST);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_LOCAL_CID_DOES_NOT_EXIST);
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_CONNECTION_RESPONSE_UNKNOWN_ERROR);
+
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_MULTIPLEXER_STOPPED);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_CHANNEL_ALREADY_REGISTERED);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_NO_OUTGOING_CREDITS);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_AGGREGATE_FLOW_OFF);
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_DATA_LEN_EXCEEDS_MTU);
+
+    VALUE_TO_STR_IF_MATCH(value, HFP_REMOTE_REJECTS_AUDIO_CONNECTION);
+
+    VALUE_TO_STR_IF_MATCH(value, SDP_HANDLE_ALREADY_REGISTERED);
+    VALUE_TO_STR_IF_MATCH(value, SDP_QUERY_INCOMPLETE);
+    VALUE_TO_STR_IF_MATCH(value, SDP_SERVICE_NOT_FOUND);
+    VALUE_TO_STR_IF_MATCH(value, SDP_HANDLE_INVALID);
+    VALUE_TO_STR_IF_MATCH(value, SDP_QUERY_BUSY);
+
+    VALUE_TO_STR_IF_MATCH(value, ATT_HANDLE_VALUE_INDICATION_IN_PROGRESS); 
+    VALUE_TO_STR_IF_MATCH(value, ATT_HANDLE_VALUE_INDICATION_TIMEOUT);
+    VALUE_TO_STR_IF_MATCH(value, ATT_HANDLE_VALUE_INDICATION_DISCONNECT);
+
+    VALUE_TO_STR_IF_MATCH(value, GATT_CLIENT_NOT_CONNECTED);
+    VALUE_TO_STR_IF_MATCH(value, GATT_CLIENT_BUSY);
+    VALUE_TO_STR_IF_MATCH(value, GATT_CLIENT_IN_WRONG_STATE);
+    VALUE_TO_STR_IF_MATCH(value, GATT_CLIENT_DIFFERENT_CONTEXT_FOR_ADDRESS_ALREADY_EXISTS);
+    VALUE_TO_STR_IF_MATCH(value, GATT_CLIENT_VALUE_TOO_LONG);
+    VALUE_TO_STR_IF_MATCH(value, GATT_CLIENT_CHARACTERISTIC_NOTIFICATION_NOT_SUPPORTED);
+    VALUE_TO_STR_IF_MATCH(value, GATT_CLIENT_CHARACTERISTIC_INDICATION_NOT_SUPPORTED); 
+
+    VALUE_TO_STR_IF_MATCH(value, BNEP_SERVICE_ALREADY_REGISTERED);
+    VALUE_TO_STR_IF_MATCH(value, BNEP_CHANNEL_NOT_CONNECTED);
+    VALUE_TO_STR_IF_MATCH(value, BNEP_DATA_LEN_EXCEEDS_MTU);
+
+    // OBEX ERRORS
+    VALUE_TO_STR_IF_MATCH(value, OBEX_UNKNOWN_ERROR);
+    VALUE_TO_STR_IF_MATCH(value, OBEX_CONNECT_FAILED);
+    VALUE_TO_STR_IF_MATCH(value, OBEX_DISCONNECTED);
+    VALUE_TO_STR_IF_MATCH(value, OBEX_NOT_FOUND);
+    VALUE_TO_STR_IF_MATCH(value, OBEX_NOT_ACCEPTABLE);
+    VALUE_TO_STR_IF_MATCH(value, OBEX_ABORTED);
+
+    VALUE_TO_STR_IF_MATCH(value, MESH_ERROR_APPKEY_INDEX_INVALID);
+
+    static char undefined_error_code[] = "Undefined BT_ERROR_CODE 0x00";
+    sprintf(undefined_error_code, "Undefined BT_ERROR_CODE 0x%02x", value);
+    return undefined_error_code;
+}
+
+char *packet_type_to_str(uint8_t value) {
+    VALUE_TO_STR_IF_MATCH(value, HCI_COMMAND_DATA_PACKET);
+    VALUE_TO_STR_IF_MATCH(value, HCI_ACL_DATA_PACKET);
+    VALUE_TO_STR_IF_MATCH(value, HCI_SCO_DATA_PACKET);
+    VALUE_TO_STR_IF_MATCH(value, HCI_EVENT_PACKET);
+
+    // FIXME: Don't know what 5 stands for
+    //VALUE_TO_STR_IF_MATCH(value, HCI_ISO_DATA_PACKET);
+    VALUE_TO_STR_IF_MATCH(value, DAEMON_EVENT_PACKET);
+    // L2CAP data
+    VALUE_TO_STR_IF_MATCH(value, L2CAP_DATA_PACKET);
+    // RFCOMM data
+    VALUE_TO_STR_IF_MATCH(value, RFCOMM_DATA_PACKET);
+    // Attribute protocol data
+    VALUE_TO_STR_IF_MATCH(value, ATT_DATA_PACKET);
+    // Security Manager protocol data
+    VALUE_TO_STR_IF_MATCH(value, SM_DATA_PACKET);
+    // SDP query result - only used by daemon
+    // format: type (8), record_id (16), attribute_id (16), attribute_length (16), attribute_value (max 1k)
+    VALUE_TO_STR_IF_MATCH(value, SDP_CLIENT_PACKET);
+    // BNEP data
+    VALUE_TO_STR_IF_MATCH(value, BNEP_DATA_PACKET);
+    // Unicast Connectionless Data
+    VALUE_TO_STR_IF_MATCH(value, UCD_DATA_PACKET);
+    // GOEP data
+    VALUE_TO_STR_IF_MATCH(value, GOEP_DATA_PACKET);
+    // PBAP data
+    VALUE_TO_STR_IF_MATCH(value, PBAP_DATA_PACKET);
+    // AVRCP browsing data
+    VALUE_TO_STR_IF_MATCH(value, AVRCP_BROWSING_DATA_PACKET);
+    // MAP data
+    VALUE_TO_STR_IF_MATCH(value, MAP_DATA_PACKET);
+    // Mesh Provisioning PDU
+    VALUE_TO_STR_IF_MATCH(value, PROVISIONING_DATA_PACKET);
+    // Mesh Proxy PDU
+    VALUE_TO_STR_IF_MATCH(value, MESH_PROXY_DATA_PACKET);
+    // Mesh Network PDU
+    VALUE_TO_STR_IF_MATCH(value, MESH_NETWORK_PACKET);
+    // Mesh Network PDU
+    VALUE_TO_STR_IF_MATCH(value, MESH_BEACON_PACKET);
+    // debug log messages
+    VALUE_TO_STR_IF_MATCH(value, LOG_MESSAGE_PACKET);
+
+    static char undefined_packet_type[] = "Undefined PACKET_TYPE 0x00";
+    sprintf(undefined_packet_type, "Undefined PACKET_TYPE 0x%02x", value);
+    return undefined_packet_type;
+}
+
+/* 
+ * @section Gerenal Packet Handler
+ * 
+ * @text Handles startup (BTSTACK_EVENT_STATE), inquiry, pairing
+ */
+static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
+    UNUSED(channel);
+    bd_addr_t peer_addr;
+
+	switch (packet_type) {
+		case HCI_EVENT_PACKET:
+			switch (hci_event_packet_get_type(packet)) {
+                case BTSTACK_EVENT_STATE:
+                    if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) return;
+                    dump_hci_event = true;
+                    break;
+
+                case HCI_EVENT_CONNECTION_COMPLETE:
+                    if (ERROR_CODE_SUCCESS == hci_event_connection_complete_get_status(packet)) {
+                        printf("ACL link 0x%x established.\n", hci_event_connection_complete_get_connection_handle(packet));
+                    }
+                    else {
+                        printf("ACL link failed %s\n", bt_error_code_to_str(hci_event_connection_complete_get_status(packet)));
+                    }
+                    break;
+
+                case GAP_EVENT_PAIRING_STARTED:
+                    gap_event_pairing_started_get_bd_addr(packet, peer_addr);
+                    printf("Paring started from %s on link 0x%x, ssp %d, initiator %d\n",
+                        bd_addr_to_str(peer_addr), gap_event_pairing_started_get_con_handle(packet), \
+                        gap_event_pairing_started_get_ssp(packet), \
+                        gap_event_pairing_started_get_initiator(packet));
+                    break;
+
+                case HCI_EVENT_IO_CAPABILITY_RESPONSE:
+                    printf("Peer io_capability %d oob_data_present %d authentication_requirements %d\n", \
+                        hci_event_io_capability_response_get_io_capability(packet), \
+                        hci_event_io_capability_response_get_oob_data_present(packet), \
+                        hci_event_io_capability_response_get_authentication_requirements(packet));
+                    break;
+
+                case GAP_EVENT_PAIRING_COMPLETE:
+                    gap_event_pairing_complete_get_bd_addr(packet, peer_addr);
+                    if (ERROR_CODE_SUCCESS == gap_event_pairing_complete_get_status(packet)) {
+                        printf("Paired to %s\n", bd_addr_to_str(peer_addr));
+                    }
+                    else {
+                        printf("Error %s when paring with %s\n", \
+                            bt_error_code_to_str(gap_event_pairing_complete_get_status(packet)), bd_addr_to_str(peer_addr));
+                    }
+                    break;
+
+                case GAP_EVENT_SECURITY_LEVEL:
+                    printf("Link handle 0x%x security level %d\n", \
+                        gap_event_security_level_get_handle(packet), \
+                        gap_event_security_level_get_security_level(packet));
+                    break;
+
+                case HCI_EVENT_PIN_CODE_REQUEST:
+                    // inform about pin code request
+                    printf("LMP Paring - pin code request - using '0000'\n");
+                    hci_event_pin_code_request_get_bd_addr(packet, peer_addr);
+                    gap_pin_code_response(peer_addr, "0000");
+                    break;
+
+                case HCI_EVENT_USER_CONFIRMATION_REQUEST:
+                    // inform about user confirmation request
+                    printf("SSP User Confirmation Request with numeric value '%06"PRIu32"'\n", little_endian_read_32(packet, 8));
+                    printf("SSP User Confirmation Auto accept\n");
+                    break;
+
+                default:
+                    if (dump_hci_event) {
+                        printf("%s\n", hci_event_type_to_str(hci_event_packet_get_type(packet)));
+                    }
+                    break;
+			}
+            break;
+
+        default:
+            printf("%s\n", packet_type_to_str(packet_type));
+            break;
+	}
+}
+
+/*
+ * @section Main Application Setup
+ *
+ * @text As with the packet handlers, the combined app setup contains the code from the individual example setups.
+ */
+
+#ifdef HAVE_BTSTACK_STDIN
+static void usage(const char *name){
+	fprintf(stderr, "\nUsage: %s [-h|--help]\n"
+                    "\t[-s|--ssp <0|1>]\n"
+                    "\t[-i|--io_capability <0-3>]\n", name);
+
+    fprintf(stderr, "\n\t-h --help\n"
+                    "\tPrint this usage and exit.\n"
+                    
+                    "\n\t-s --ssp\n"
+                    "\tEnable(1)/disable(0) Secure Simple Paring. Use enable(1) if not specified.\n"
+                    "\tIf SSP is disabled, LMP paring(PIN-code based) is used.\n"
+                    "\tSSP should always been enabled unless working with devices which doesn't support Bluetooth 2.1.\n"
+
+                    "\n\t-i --io_capability\n"
+                    "\tSet local io_capability when using SSP. Use DISPLAY_ONLY(0) if not specified.\n"
+                    "\t\t0 -- DISPLAY_ONLY\n"
+                    "\t\t1 -- DISPLAY_YES_NO\n"
+                    "\t\t2 -- KEYBOARD_ONLY\n"
+                    "\t\t3 -- NO_INPUT_NO_OUTPUT\n");
+}
+#endif
+
+/* LISTING_START(MainConfiguration): Init L2CAP and wait to be paired */
+int btstack_main(int argc, const char * argv[]);
+int btstack_main(int argc, const char * argv[]) {
+    #ifdef HAVE_BTSTACK_STDIN
+    int arg = 1;
+    while (arg < argc) {
+        if (!strcmp(argv[arg], "-h") || !strcmp(argv[arg], "--help")) {
+            usage(argv[0]);
+            hci_power_control(HCI_POWER_OFF);
+            exit(0);
+        }
+        else if(!strcmp(argv[arg], "-s") || !strcmp(argv[arg], "--ssp")) {
+            arg++;
+            secure_simple_paring = atoi(argv[arg]);
+            arg++;
+        }
+        else if(!strcmp(argv[arg], "-i") || !strcmp(argv[arg], "--io_capability")) {
+            arg++;
+            io_capability = atoi(argv[arg]);
+            arg++;
+        }
+        else {
+            printf("Unknown argument %s omitted.\n", argv[arg++]);
+        }
+	}
+    #endif
+
+    printf("Secure simple paring is %s\n", secure_simple_paring ? "enabled" : "disabled");
+    if (secure_simple_paring) {
+        printf("Local io_capability is %d\n", io_capability);
+    }
+
+    l2cap_init();
+
+    // register for HCI events
+    hci_event_callback_registration.callback = &packet_handler;
+    hci_add_event_handler(&hci_event_callback_registration);
+
+    gap_discoverable_control(true);
+    gap_connectable_control(true);
+    gap_set_bondable_mode(true);
+    
+    gap_ssp_set_enable(secure_simple_paring);
+    if (secure_simple_paring) {
+        gap_ssp_set_io_capability(io_capability);
+    }
+
+    // turn on!
+	hci_power_control(HCI_POWER_ON);
+
+    return 0;
+}
+/* LISTING_END */
+/* EXAMPLE_END */
diff --git a/port/posix-h4/.gitignore b/port/posix-h4/.gitignore
index 00883fc733..18b2f23bd0 100644
--- a/port/posix-h4/.gitignore
+++ b/port/posix-h4/.gitignore
@@ -100,3 +100,11 @@ TIInit_12.8.32.c
 ublox_spp_le_counter
 ublox_spp_le_counter.h
 CC256*
+cc256xc_bt_sp_v1.5.zip
+classic_paring_central
+classic_paring_peripheral
+gatt_device_information_query
+gatt_device_information_query.h
+hog_boot_host_demo
+hog_host_demo
+le_mitm