Proximity Monitor Profile.
Copyright (c) 2017-2019 Microchip Technology Inc. and its subsidiaries.
#include <asf.h>#include "platform.h"#include "pxp_monitor.h"#include "tx_power.h"#include "link_loss.h"#include "immediate_alert.h"Functions | |
| at_ble_status_t | pxp_disconnect_event_handler (void *params) |
| peer device connection terminated More... | |
| at_ble_status_t | pxp_monitor_characteristic_found_handler (void *params) |
| Handles all Discovered characteristics of a given handler in a connected device. More... | |
| at_ble_status_t | pxp_monitor_characteristic_read_response (void *params) |
| Handles the read response from the peer/connected device. More... | |
| at_ble_status_t | pxp_monitor_connect_request (at_ble_scan_info_t *scan_buffer, uint8_t index) |
| Connect to a peer device. More... | |
| at_ble_status_t | pxp_monitor_connected_state_handler (void *params) |
| Connected event state handle after connection request to peer device. More... | |
| at_ble_status_t | pxp_monitor_discovery_complete_handler (void *params) |
| Discover all Characteristics supported for Proximity Service of a connected device and handles discovery complete Search will go from start_handle to end_handle, whenever a characteristic is found After search and discovery completes will initialize the alert level and read the tx power value as defined AT_BLE_CHARACTERISTIC_FOUND event is sent and AT_BLE_DISCOVERY_COMPLETE is sent at end of discover operation. More... | |
| at_ble_status_t | pxp_monitor_encryption_change_handler (void *params) |
| void | pxp_monitor_init (void *param) |
| at_ble_status_t | pxp_monitor_pair_done_handler (void *params) |
| at_ble_status_t | pxp_monitor_scan_data_handler (void *params) |
| Search for a given AD type in a buffer, received from advertising packets starts search from the buffer, need to provide required search params. More... | |
| at_ble_status_t | pxp_monitor_service_discover (at_ble_handle_t handle) |
| Discover all services. More... | |
| at_ble_status_t | pxp_monitor_service_found_handler (void *params) |
| Discover the Proximity services. More... | |
| at_ble_status_t | pxp_monitor_start_scan (void) |
| void | register_hw_timer_start_func_cb (hw_timer_start_func_cb_t timer_start_fn) |
| Registers callback for hardware timer start. More... | |
| void | register_hw_timer_stop_func_cb (hw_timer_stop_func_cb_t timer_stop_fn) |
| Registers callback for hardware timer stop. More... | |
| void | register_peripheral_state_cb (peripheral_state_cb_t peripheral_state_cb) |
| void | SYSTEM_RunTasks (void) |
Variables | |
| volatile ble_device_ll_state_t | ble_device_current_state |
| hw_timer_start_func_cb_t | hw_timer_start_func_cb = NULL |
| hw_timer_stop_func_cb_t | hw_timer_stop_func_cb = NULL |
| uint8_t | ias_char_data [MAX_IAS_CHAR_SIZE] |
| gatt_ias_char_handler_t | ias_handle |
| uint8_t | lls_char_data [MAX_LLS_CHAR_SIZE] |
| gatt_lls_char_handler_t | lls_handle |
| peripheral_state_cb_t | peripheral_state_callback = NULL |
| volatile uint8_t | pxp_connect_request_flag = PXP_DEV_UNCONNECTED |
| static const ble_gap_event_cb_t | pxp_gap_handle |
| static const ble_gatt_client_event_cb_t | pxp_gatt_client_handle |
| at_ble_addr_t | pxp_reporter_address |
| uint8_t | pxp_supp_scan_index [MAX_SCAN_DEVICE] |
| uint8_t | scan_index = 0 |
| at_ble_scan_info_t | scan_info [MAX_SCAN_DEVICE] |
| volatile uint8_t | scan_response_count |
| uint8_t | tx_power_char_data [MAX_TX_POWER_CHAR_SIZE] |
| gatt_txps_char_handler_t | txps_handle |
| at_ble_status_t pxp_disconnect_event_handler | ( | void * | params | ) |
peer device connection terminated
handler for disconnect notification try to send connect request for previously connect device.
| [in] | available | disconnect handler of peer and reason for disconnection |
References AT_BLE_FAILURE, ble_check_disconnected_iscentral(), ble_device_current_state, CENTRAL_SCANNING_STATE, at_ble_disconnected_t::handle, PERIPHERAL_ADVERTISING_STATE, pxp_connect_request_flag, PXP_DEV_UNCONNECTED, and pxp_monitor_start_scan().
| at_ble_status_t pxp_monitor_characteristic_found_handler | ( | void * | params | ) |
Handles all Discovered characteristics of a given handler in a connected device.
Compare the characteristics UUID with proximity services whenever a characteristics is found if compare stores the characteristics handler of respective service
| [in] | characteristic_found | Discovered characteristics params of a connected device |
References ALERT_LEVEL_CHAR_UUID, AT_BLE_FAILURE, AT_BLE_SUCCESS, ble_check_iscentral(), gatt_txps_char_handler::char_handle, gatt_lls_char_handler::char_handle, gatt_ias_char_handler::char_handle, at_ble_characteristic_found_t::char_handle, at_ble_characteristic_found_t::char_uuid, at_ble_characteristic_found_t::conn_handle, DBG_LOG, DBG_LOG_PTS, gatt_lls_char_handler::end_handle, at_ble_characteristic_found_t::properties, gatt_lls_char_handler::start_handle, TX_POWER_LEVEL_CHAR_UUID, at_ble_uuid_t::uuid, and at_ble_characteristic_found_t::value_handle.
| at_ble_status_t pxp_monitor_characteristic_read_response | ( | void * | params | ) |
Handles the read response from the peer/connected device.
if any read request send, response back event is handle. compare the read response characteristics with available service. and data is handle to the respective service.
References AT_BLE_FAILURE, AT_BLE_SUCCESS, ble_check_iscentral(), at_ble_characteristic_read_response_t::conn_handle, DBG_LOG_DEV, hw_timer_start_func_cb, lls_alert_read_response(), PXP_RSSI_UPDATE_INTERVAL, and txps_power_read_response().
| at_ble_status_t pxp_monitor_connect_request | ( | at_ble_scan_info_t * | scan_buffer, |
| uint8_t | index | ||
| ) |
Connect to a peer device.
Connecting to a peer device, implicitly starting the necessary scan operation then connecting if a device in the peers list is found.
| [in] | scan_buffer | a list of peers that the device will connect to one of them |
| [in] | index | index of elements in peers, to initiate the connection |
References AT_BLE_FAILURE, AT_BLE_SUCCESS, DBG_LOG, gap_dev_connect(), hw_timer_start_func_cb, PXP_CONNECT_REQ_INTERVAL, pxp_connect_request_flag, and PXP_DEV_CONNECTING.
| at_ble_status_t pxp_monitor_connected_state_handler | ( | void * | params | ) |
Connected event state handle after connection request to peer device.
After connecting to the peer device start the GATT primary discovery
| [in] | conn_params | parameters of the established connection |
References ble_check_iscentral(), at_ble_connected_t::conn_status, at_ble_connected_t::handle, pxp_connect_request_flag, and PXP_DEV_CONNECTED.
| at_ble_status_t pxp_monitor_discovery_complete_handler | ( | void * | params | ) |
Discover all Characteristics supported for Proximity Service of a connected device and handles discovery complete Search will go from start_handle to end_handle, whenever a characteristic is found After search and discovery completes will initialize the alert level and read the tx power value as defined AT_BLE_CHARACTERISTIC_FOUND event is sent and AT_BLE_DISCOVERY_COMPLETE is sent at end of discover operation.
| [in] | discover_status | discovery status of each handle |
References at_ble_characteristic_discover_all(), at_ble_disconnect(), AT_BLE_FAILURE, AT_BLE_INVALID_PARAM, AT_BLE_INVALID_STATE, AT_BLE_SUCCESS, AT_BLE_TERMINATED_BY_USER, ble_check_iscentral(), gatt_txps_char_handler::char_discovery, gatt_lls_char_handler::char_discovery, gatt_ias_char_handler::char_discovery, gatt_txps_char_handler::char_handle, gatt_lls_char_handler::char_handle, gatt_ias_char_handler::conn_handle, gatt_txps_char_handler::conn_handle, gatt_lls_char_handler::conn_handle, DBG_LOG, DBG_LOG_DEV, DISCOVER_SUCCESS, gatt_txps_char_handler::end_handle, gatt_lls_char_handler::end_handle, gatt_ias_char_handler::end_handle, LLS_ALERT_LEVEL, lls_alert_level_write(), gatt_txps_char_handler::start_handle, gatt_lls_char_handler::start_handle, gatt_ias_char_handler::start_handle, at_ble_discovery_complete_t::status, and txps_power_read().
| at_ble_status_t pxp_monitor_encryption_change_handler | ( | void * | params | ) |
References AT_BLE_FAILURE, AT_BLE_SUCCESS, ble_check_iscentral(), ble_check_ispheripheral(), ble_device_current_state, CENTRAL_SCANNING_STATE, at_ble_encryption_status_changed_t::handle, hw_timer_stop_func_cb, PERIPHERAL_ADVERTISING_STATE, pxp_connect_request_flag, PXP_DEV_CONNECTED, PXP_DEV_UNCONNECTED, pxp_monitor_service_discover(), pxp_monitor_start_scan(), status, and at_ble_encryption_status_changed_t::status.
| void pxp_monitor_init | ( | void * | param | ) |
References BLE_GAP_EVENT_TYPE, BLE_GATT_CLIENT_EVENT_TYPE, ble_mgr_events_callback_handler(), gatt_txps_char_handler::char_data, gatt_lls_char_handler::char_data, gatt_ias_char_handler::char_data, DBG_LOG, ias_char_data, lls_char_data, PXP_HIGH_ALERT_RANGE, PXP_LOW_ALERT_RANGE, REGISTER_CALL_BACK, tx_power_char_data, and UNUSED.
| at_ble_status_t pxp_monitor_pair_done_handler | ( | void * | params | ) |
References AT_BLE_FAILURE, AT_BLE_SUCCESS, ble_check_iscentral(), ble_check_ispheripheral(), ble_device_current_state, CENTRAL_SCANNING_STATE, DBG_LOG, at_ble_pair_done_t::handle, hw_timer_stop_func_cb, PERIPHERAL_ADVERTISING_STATE, pxp_connect_request_flag, PXP_DEV_CONNECTED, PXP_DEV_UNCONNECTED, pxp_monitor_service_discover(), pxp_monitor_start_scan(), status, and at_ble_pair_done_t::status.
| at_ble_status_t pxp_monitor_scan_data_handler | ( | void * | params | ) |
Search for a given AD type in a buffer, received from advertising packets starts search from the buffer, need to provide required search params.
Search for a given AD type in a buffer, received from advertising packets.
| [in] | scan_buffer | where all received advertising packet are stored |
| [in] | scanned_dev_count | elements in scan_buffer |
References AD_TYPE_COMPLETE_LIST_UUID, at_ble_addr_t::addr, ALL_UNUSED, AT_BLE_ADV_TYPE_DIRECTED, AT_BLE_ADV_TYPE_UNDIRECTED, AT_BLE_FAILURE, at_ble_scan_stop(), AT_BLE_SUCCESS, AT_BLE_UUID_16, DBG_LOG, DBG_LOG_CONT, at_ble_scan_info_t::dev_addr, gap_dev_scan(), LINK_LOSS_SERVICE_UUID, MAX_SCAN_DEVICE, PXP_ASCII_TO_DECIMAL_VALUE, pxp_monitor_connect_request(), pxp_supp_scan_index, scan_index, scan_info_parse(), scan_response_count, at_ble_uuid_t::type, and at_ble_uuid_t::uuid.
| at_ble_status_t pxp_monitor_service_discover | ( | at_ble_handle_t | handle | ) |
Discover all services.
| [in] | connection | handle. |
References at_ble_primary_service_discover_all(), AT_BLE_SUCCESS, DBG_LOG, DBG_LOG_DEV, GATT_DISCOVERY_ENDING_HANDLE, GATT_DISCOVERY_STARTING_HANDLE, and status.
| at_ble_status_t pxp_monitor_service_found_handler | ( | void * | params | ) |
Discover the Proximity services.
Search will go from start_handle to end_handle, whenever a service is found and compare with proximity services and stores the respective handlers PXP_MONITOR_CONNECTED_STATE_HANDLER event i.
| [in] | at_ble_primary_service_found_t | Primary service parameter |
References AT_BLE_FAILURE, AT_BLE_INVALID_PARAM, AT_BLE_SUCCESS, AT_BLE_UUID_16, ble_check_iscentral(), gatt_txps_char_handler::char_discovery, gatt_lls_char_handler::char_discovery, gatt_ias_char_handler::char_discovery, gatt_ias_char_handler::conn_handle, gatt_txps_char_handler::conn_handle, gatt_lls_char_handler::conn_handle, at_ble_primary_service_found_t::conn_handle, DBG_LOG, DBG_LOG_PTS, DISCOVER_SUCCESS, gatt_txps_char_handler::end_handle, gatt_lls_char_handler::end_handle, gatt_ias_char_handler::end_handle, at_ble_primary_service_found_t::end_handle, IMMEDIATE_ALERT_SERVICE_UUID, LINK_LOSS_SERVICE_UUID, at_ble_primary_service_found_t::service_uuid, gatt_txps_char_handler::start_handle, gatt_lls_char_handler::start_handle, gatt_ias_char_handler::start_handle, at_ble_primary_service_found_t::start_handle, status, TX_POWER_SERVICE_UUID, at_ble_uuid_t::type, and at_ble_uuid_t::uuid.
| at_ble_status_t pxp_monitor_start_scan | ( | void | ) |
References AT_BLE_FAILURE, at_ble_scan_stop(), AT_BLE_SUCCESS, ble_event_task(), DBG_LOG, gap_dev_connect(), gap_dev_scan(), getchar_timeout(), hw_timer_start_func_cb, hw_timer_stop_func_cb, NULL, PERIPHERAL_ADVERTISING_STATE, peripheral_state_callback, PXP_CONNECT_REQ_INTERVAL, pxp_connect_request_flag, PXP_DEV_CONNECTING, and SYSTEM_RunTasks().
| void register_hw_timer_start_func_cb | ( | hw_timer_start_func_cb_t | timer_start_fn | ) |
Registers callback for hardware timer start.
| [in] | Callback | for hardware timer start function. |
References hw_timer_start_func_cb.
Referenced by main().
| void register_hw_timer_stop_func_cb | ( | hw_timer_stop_func_cb_t | timer_stop_fn | ) |
Registers callback for hardware timer stop.
| [in] | Callback | for hardware timer stop function. |
References hw_timer_stop_func_cb.
Referenced by main().
| void register_peripheral_state_cb | ( | peripheral_state_cb_t | peripheral_state_cb | ) |
References peripheral_state_callback.
| void SYSTEM_RunTasks | ( | void | ) |
Referenced by main(), and pxp_monitor_start_scan().
| volatile ble_device_ll_state_t ble_device_current_state |
| hw_timer_start_func_cb_t hw_timer_start_func_cb = NULL |
| hw_timer_stop_func_cb_t hw_timer_stop_func_cb = NULL |
| uint8_t ias_char_data[MAX_IAS_CHAR_SIZE] |
| gatt_ias_char_handler_t ias_handle |
| uint8_t lls_char_data[MAX_LLS_CHAR_SIZE] |
| gatt_lls_char_handler_t lls_handle |
| peripheral_state_cb_t peripheral_state_callback = NULL |
Referenced by pxp_monitor_start_scan(), and register_peripheral_state_cb().
| volatile uint8_t pxp_connect_request_flag = PXP_DEV_UNCONNECTED |
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| at_ble_addr_t pxp_reporter_address |
| uint8_t pxp_supp_scan_index[MAX_SCAN_DEVICE] |
| uint8_t scan_index = 0 |
| at_ble_scan_info_t scan_info[MAX_SCAN_DEVICE] |
| volatile uint8_t scan_response_count |
| uint8_t tx_power_char_data[MAX_TX_POWER_CHAR_SIZE] |
| gatt_txps_char_handler_t txps_handle |
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