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author | Trygve Laugstøl <trygvis@inamo.no> | 2018-08-23 17:08:59 +0200 |
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committer | Trygve Laugstøl <trygvis@inamo.no> | 2018-08-23 17:12:21 +0200 |
commit | 3061ecca3d0fdfb87dabbf5f63c9e06c2a30f53a (patch) | |
tree | ab49cc16ed0b853452c5c2ed2d3042416d628986 /thirdparty/nRF5_SDK_15.0.0_a53641a/examples/ble_peripheral/ble_app_gatts_c/main.c | |
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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/examples/ble_peripheral/ble_app_gatts_c/main.c')
-rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/examples/ble_peripheral/ble_app_gatts_c/main.c | 726 |
1 files changed, 726 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/ble_peripheral/ble_app_gatts_c/main.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/ble_peripheral/ble_app_gatts_c/main.c new file mode 100644 index 0000000..b468587 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/ble_peripheral/ble_app_gatts_c/main.c @@ -0,0 +1,726 @@ +/** + * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * 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, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, 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 Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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. + * + */ + +/** @brief GATT Service client example application main file. + + @details This file contains the main source code for a sample client application that uses the + GATT Service. This client can be used to receive Service Changed indications. This is + needed if your application interacts with GATT servers that modify, remove or add + services. A typical course of action if a Service Changed indication is received is to + rediscover the database on the peer device. + + For more information about the GATT Service, see "Defined Generic Attribute Profile Service" + in Bluetooth Specification Version 5.0 Vol 3, Part G Section 7. +*/ + +#include <stdint.h> +#include <string.h> + +#include "app_adv.h" +#include "nordic_common.h" +#include "nrf.h" +#include "app_error.h" +#include "ble.h" +#include "ble_srv_common.h" +#include "ble_advdata.h" +#include "ble_advertising.h" +#include "nrf_sdh.h" +#include "nrf_sdh_soc.h" +#include "nrf_sdh_ble.h" +#include "app_timer.h" +#include "bsp.h" +#include "bsp_btn_ble.h" +#include "nrf_ble_gatts_c.h" +#include "boards.h" +#include "ble_gap.h" +#include "nrf_ble_gatt.h" +#include "nrf_ble_qwr.h" +#include "peer_manager.h" +#include "fds.h" +#include "ble_conn_state.h" +#include "nrf_pwr_mgmt.h" + +#include "nrf_log.h" +#include "nrf_log_ctrl.h" +#include "nrf_log_default_backends.h" + +#define APP_BLE_OBSERVER_PRIO 3 /**< Application's BLE observer priority. You shouldn't need to modify this value. */ +#define APP_BLE_CONN_CFG_TAG 1 /**< A tag identifying the SoftDevice BLE configuration. */ +#define DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */ + +NRF_BLE_GATT_DEF(m_gatt); /**< GATT module instance. */ +NRF_BLE_GATTS_C_DEF(m_gatts_c); /**< GATT Service client instance. Handles Service Changed indications from the peer. */ +NRF_BLE_QWR_DEF(m_qwr); /**< Context for the Queued Write module.*/ +BLE_DB_DISCOVERY_DEF(m_ble_db_discovery); /**< DB discovery module instance. */ + +static bool m_erase_bonds; /**< Bool to determine if bonds should be erased before advertising starts. Based on button push upon startup. */ + +static uint8_t m_pm_peer_srv_buffer[ALIGN_NUM(4, sizeof(ble_gatt_db_srv_t))] = {0}; /**< Data written to flash by peer manager must be aligned on 4 bytes. + When loading and storing we will treat this byte array as a ble_gatt_db_srv_t. + We use a static variable because it is written asynchronously. */ + +/**@brief Function for assert macro callback. + + @details This function will be called in case of an assert in the SoftDevice. + + @warning This handler is an example only and does not fit a final product. You need to analyze + how your product is supposed to react in case of Assert. + @warning On assert from the SoftDevice, the system can only recover on reset. + + @param[in] line_num Line number of the failing ASSERT call. + @param[in] p_file_name File name of the failing ASSERT call. + */ +void assert_nrf_callback(uint16_t line_num, const uint8_t * p_file_name) +{ + app_error_handler(DEAD_BEEF, line_num, p_file_name); +} + + +/**@brief Function for the LEDs initialization. + + @details Initializes all LEDs used by the application. + */ +static void leds_init(void) +{ + bsp_board_init(BSP_INIT_LEDS); +} + + +/**@brief Function for the Timer initialization. + + @details Initializes the timer module. + */ +static void timers_init(void) +{ + ret_code_t err_code; + + err_code = app_timer_init(); + APP_ERROR_CHECK(err_code); +} + + +/**@brief Function for the GAP initialization. + + @details This function sets up all the necessary GAP (Generic Access Profile) parameters of the + device including the device name, appearance, and the preferred connection parameters. + */ +static void gap_params_init(void) +{ + ret_code_t err_code; + ble_gap_conn_params_t gap_conn_params; + ble_gap_conn_sec_mode_t sec_mode; + + BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode); + + err_code = sd_ble_gap_device_name_set(&sec_mode, + (const uint8_t *)DEVICE_NAME, + strlen(DEVICE_NAME)); + APP_ERROR_CHECK(err_code); + + memset(&gap_conn_params, 0, sizeof(gap_conn_params)); + + gap_conn_params.min_conn_interval = MSEC_TO_UNITS(MIN_CONN_INTERVAL_MSEC, UNIT_1_25_MS); + gap_conn_params.max_conn_interval = MSEC_TO_UNITS(MAX_CONN_INTERVAL_MSEC, UNIT_1_25_MS); + gap_conn_params.slave_latency = SLAVE_LATENCY; + gap_conn_params.conn_sup_timeout = MSEC_TO_UNITS(CONN_SUP_TIMEOUT_MSEC, UNIT_10_MS); + + err_code = sd_ble_gap_ppcp_set(&gap_conn_params); + APP_ERROR_CHECK(err_code); +} + + +/**@brief Function for initializing buttons and leds. + + @param[out] p_erase_bonds Boolean that will be set to true if the device is + woken up by the BSP_EVENT_CLEAR_BONDING_DATA event. +*/ +static void buttons_leds_init(bool * p_erase_bonds) +{ + ret_code_t err_code; + bsp_event_t startup_event; + + err_code = bsp_init(BSP_INIT_LEDS | BSP_INIT_BUTTONS, NULL); + APP_ERROR_CHECK(err_code); + + err_code = bsp_btn_ble_init(NULL, &startup_event); + APP_ERROR_CHECK(err_code); + + *p_erase_bonds = (startup_event == BSP_EVENT_CLEAR_BONDING_DATA); +} + + +/**@brief Function for handling events from the GATT Servive client module. + + @param[in] p_evt GATT Service event. +*/ +static void gatts_evt_handler(nrf_ble_gatts_c_evt_t * p_evt) +{ + ret_code_t err_code; + + switch (p_evt->evt_type) + { + case NRF_BLE_GATTS_C_EVT_DISCOVERY_COMPLETE: + { + NRF_LOG_INFO("GATT Service and Service Changed characteristic found on server."); + + err_code = nrf_ble_gatts_c_handles_assign(&m_gatts_c, + p_evt->conn_handle, + &p_evt->params.srv_changed_char); + APP_ERROR_CHECK(err_code); + + pm_peer_id_t peer_id; + err_code = pm_peer_id_get(p_evt->conn_handle, &peer_id); + APP_ERROR_CHECK(err_code); + + + ble_gatt_db_srv_t srv_db_to_store; + srv_db_to_store.charateristics[0] = p_evt->params.srv_changed_char; + memcpy(m_pm_peer_srv_buffer, &srv_db_to_store, sizeof(ble_gatt_db_srv_t)); + + err_code = pm_peer_data_remote_db_store(peer_id, + (ble_gatt_db_srv_t *)m_pm_peer_srv_buffer, + sizeof(m_pm_peer_srv_buffer), + NULL); + + if (err_code == NRF_ERROR_STORAGE_FULL) + { + err_code = fds_gc(); + } + APP_ERROR_CHECK(err_code); + + err_code = nrf_ble_gatts_c_enable_indication(&m_gatts_c, true); + APP_ERROR_CHECK(err_code); + } break; + + case NRF_BLE_GATTS_C_EVT_DISCOVERY_FAILED: + NRF_LOG_INFO("GATT Service or Service Changed characteristic not found on server."); + break; + + case NRF_BLE_GATTS_C_EVT_DISCONN_COMPLETE: + NRF_LOG_INFO("GATTS Service client disconnected connection handle %i.", p_evt->conn_handle); + + break; + + case NRF_BLE_GATTS_C_EVT_SRV_CHANGED: + NRF_LOG_INFO("Service Changed indication received."); + NRF_LOG_INFO("Handle range start: %04x", p_evt->params.handle_range.start_handle); + NRF_LOG_INFO("Handle range end: %04x", p_evt->params.handle_range.end_handle); + break; + + default: + break; + } +} + + +/**@brief Function for handling File Data Storage events. + * + * @param[in] p_evt Flash Data Storage event. + * + */ +static void fds_evt_handler(fds_evt_t const * const p_evt) +{ + if (p_evt->id == FDS_EVT_GC) + { + NRF_LOG_DEBUG("GC completed."); + } +} + + +/**@brief Function for handling Peer Manager events. + * + * @param[in] p_evt Peer Manager event. + */ +static void pm_evt_handler(pm_evt_t const * p_evt) +{ + ret_code_t err_code; + + switch (p_evt->evt_id) + { + case PM_EVT_BONDED_PEER_CONNECTED: + { + NRF_LOG_INFO("Connected to a previously bonded device."); + pm_peer_id_t peer_id; + err_code = pm_peer_id_get(p_evt->conn_handle, &peer_id); + APP_ERROR_CHECK(err_code); + if (peer_id != PM_PEER_ID_INVALID) + { + + ble_gatt_db_srv_t * remote_db; + remote_db = (ble_gatt_db_srv_t *)m_pm_peer_srv_buffer; + uint16_t data_len = sizeof(m_pm_peer_srv_buffer); + + err_code = pm_peer_data_remote_db_load(peer_id, remote_db, &data_len); + if (err_code == NRF_ERROR_NOT_FOUND) + { + NRF_LOG_DEBUG("Could not find the remote database in flash."); + err_code = nrf_ble_gatts_c_handles_assign(&m_gatts_c, p_evt->conn_handle, NULL); + APP_ERROR_CHECK(err_code); + + // Discover peer's services. + memset(&m_ble_db_discovery, 0x00, sizeof(m_ble_db_discovery)); + err_code = ble_db_discovery_start(&m_ble_db_discovery, p_evt->conn_handle); + APP_ERROR_CHECK(err_code); + } + else + { + // Check if the load was successful. + NRF_LOG_INFO("Remote Database loaded from flash."); + APP_ERROR_CHECK(err_code); + + // Assign the loaded handles to the GATT Service client module. + ble_gatt_db_char_t service_changed_handles = remote_db->charateristics[0]; + err_code = nrf_ble_gatts_c_handles_assign(&m_gatts_c, + p_evt->conn_handle, + &service_changed_handles); + APP_ERROR_CHECK(err_code); + + // Enable indications. + err_code = nrf_ble_gatts_c_enable_indication(&m_gatts_c, true); + APP_ERROR_CHECK(err_code); + } + } + } break; + + case PM_EVT_CONN_SEC_SUCCEEDED: + { + NRF_LOG_INFO("Connection secured: role: %d, conn_handle: 0x%x, procedure: %d.", + ble_conn_state_role(p_evt->conn_handle), + p_evt->conn_handle, + p_evt->params.conn_sec_succeeded.procedure); + + // Check it the Service Changed characteristic handle exists in our client instance. + // If it is invalid, we know service discovery is needed. + // (No database was loaded during @ref PM_EVT_BONDED_PEER_CONNECTED) + if (m_gatts_c.srv_changed_char.characteristic.handle_value == BLE_GATT_HANDLE_INVALID) + { + err_code = nrf_ble_gatts_c_handles_assign(&m_gatts_c, p_evt->conn_handle, NULL); + APP_ERROR_CHECK(err_code); + + // Discover peer's services. + memset(&m_ble_db_discovery, 0x00, sizeof(m_ble_db_discovery)); + err_code = ble_db_discovery_start(&m_ble_db_discovery, p_evt->conn_handle); + APP_ERROR_CHECK(err_code); + } + + } break; + + case PM_EVT_CONN_SEC_FAILED: + // Often, when securing fails, it should not be restarted, for security reasons. + // Other times, it can be restarted directly. + // Sometimes it can be restarted, but only after changing some Security Parameters. + // Sometimes, it cannot be restarted until the link is disconnected and reconnected. + // Sometimes it is impossible to secure the link, or the peer device does not support it. + // How to handle this error is highly application dependent. + NRF_LOG_INFO("Connection security failed: role: %d, conn_handle: 0x%x, procedure: %d, error: %d.", + ble_conn_state_role(p_evt->conn_handle), + p_evt->conn_handle, + p_evt->params.conn_sec_failed.procedure, + p_evt->params.conn_sec_failed.error); + break; + + case PM_EVT_CONN_SEC_CONFIG_REQ: + { + // Reject pairing request from an already bonded peer. + pm_conn_sec_config_t conn_sec_config = {.allow_repairing = false}; + pm_conn_sec_config_reply(p_evt->conn_handle, &conn_sec_config); + break; + } + + case PM_EVT_STORAGE_FULL: + // Run garbage collection on the flash. + err_code = fds_gc(); + if (err_code == FDS_ERR_NO_SPACE_IN_QUEUES) + { + // Retry. + } + else + { + APP_ERROR_CHECK(err_code); + } + break; + + case PM_EVT_PEERS_DELETE_SUCCEEDED: + // Peer data was cleared from the flash. Start advertising with an empty list of peers. + NRF_LOG_DEBUG("PM_EVT_PEERS_DELETE_SUCCEEDED"); + advertising_start(false); + break; + + case PM_EVT_PEER_DATA_UPDATE_FAILED: + APP_ERROR_CHECK(p_evt->params.peer_data_update_failed.error); + break; + + case PM_EVT_PEER_DELETE_FAILED: + APP_ERROR_CHECK(p_evt->params.peer_delete_failed.error); + break; + + case PM_EVT_PEERS_DELETE_FAILED: + APP_ERROR_CHECK(p_evt->params.peers_delete_failed_evt.error); + break; + + case PM_EVT_ERROR_UNEXPECTED: + APP_ERROR_CHECK(p_evt->params.error_unexpected.error); + break; + + case PM_EVT_CONN_SEC_START: + // fall-through. + case PM_EVT_PEER_DATA_UPDATE_SUCCEEDED: + // fall-through. + case PM_EVT_PEER_DELETE_SUCCEEDED: + // fall-through. + case PM_EVT_LOCAL_DB_CACHE_APPLIED: + // fall-through. + case PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED: + // This can happen when the local DB has changed. + case PM_EVT_SERVICE_CHANGED_IND_SENT: + // fall-through. + case PM_EVT_SERVICE_CHANGED_IND_CONFIRMED: + // fall-through. + default: + // No implementation needed. + break; + } +} + + +/**@brief Function for initializing the Peer Manager. + */ +void peer_manager_init(void) +{ + ret_code_t err_code; + ble_gap_sec_params_t sec_param; + + err_code = pm_init(); + APP_ERROR_CHECK(err_code); + + memset(&sec_param, 0, sizeof(ble_gap_sec_params_t)); + + // Security parameters to be used for all security procedures. + sec_param.bond = SEC_PARAM_BOND; + sec_param.mitm = SEC_PARAM_MITM; + sec_param.io_caps = SEC_PARAM_IO_CAPABILITIES; + sec_param.oob = SEC_PARAM_OOB; + sec_param.min_key_size = SEC_PARAM_MIN_KEY_SIZE; + sec_param.max_key_size = SEC_PARAM_MAX_KEY_SIZE; + sec_param.kdist_own.enc = 1; + sec_param.kdist_own.id = 1; + sec_param.kdist_peer.enc = 1; + sec_param.kdist_peer.id = 1; + + err_code = pm_sec_params_set(&sec_param); + APP_ERROR_CHECK(err_code); + + err_code = pm_register(pm_evt_handler); + APP_ERROR_CHECK(err_code); + + err_code = fds_register(fds_evt_handler); + APP_ERROR_CHECK(err_code); +} + + +/**@brief Function for handling database discovery events. + + @details This function is callback function to handle events from the database discovery module. + Depending on the UUIDs that are discovered, this function should forward the events + to their respective services. + + @param[in] p_event Pointer to the database discovery event. + */ +static void db_disc_handler(ble_db_discovery_evt_t * p_evt) +{ + nrf_ble_gatts_c_on_db_disc_evt(&m_gatts_c, p_evt); +} + + +/**@brief Function for handling connection events. + + @param[in] p_ble_evt Bluetooth stack event. +*/ +static void on_connect(ble_evt_t const * p_ble_evt) +{ + ret_code_t err_code; + NRF_LOG_INFO("Connected."); + + err_code = bsp_indication_set(BSP_INDICATE_CONNECTED); + APP_ERROR_CHECK(err_code); + + err_code = nrf_ble_qwr_conn_handle_assign(&m_qwr, p_ble_evt->evt.gap_evt.conn_handle); + APP_ERROR_CHECK(err_code); +} + + +/**@brief Function for handling timeout BLE stack events. + + @param[in] p_ble_evt Bluetooth stack event. +*/ +static void on_timeout(ble_evt_t const * p_ble_evt) +{ + ret_code_t err_code; + + switch (p_ble_evt->header.evt_id) + { + case BLE_GATTC_EVT_TIMEOUT: + NRF_LOG_DEBUG("GATT Client Timeout."); + err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gattc_evt.conn_handle, + BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); + APP_ERROR_CHECK(err_code); + break; + + case BLE_GATTS_EVT_TIMEOUT: + NRF_LOG_DEBUG("GATT Server Timeout."); + err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gatts_evt.conn_handle, + BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); + APP_ERROR_CHECK(err_code); + break; + + default: + // No implementation needed. + break; + } +} + + +/**@brief Function for handling BLE events. + * + * @param[in] p_ble_evt Bluetooth stack event. + * @param[in] p_context Unused. + */ +static void ble_evt_handler(ble_evt_t const * p_ble_evt, void * p_context) +{ + ret_code_t err_code; + + switch (p_ble_evt->header.evt_id) + { + case BLE_GAP_EVT_CONNECTED: + { + on_connect(p_ble_evt); + } break; + + case BLE_GAP_EVT_DISCONNECTED: + NRF_LOG_INFO("Disconnected."); + break; + + case BLE_GAP_EVT_PHY_UPDATE_REQUEST: + { + NRF_LOG_DEBUG("PHY update request."); + ble_gap_phys_t const phys = + { + .rx_phys = BLE_GAP_PHY_AUTO, + .tx_phys = BLE_GAP_PHY_AUTO, + }; + err_code = sd_ble_gap_phy_update(p_ble_evt->evt.gap_evt.conn_handle, &phys); + APP_ERROR_CHECK(err_code); + } break; + + case BLE_GATTS_EVT_SYS_ATTR_MISSING: + // No system attributes have been stored. + err_code = sd_ble_gatts_sys_attr_set(p_ble_evt->evt.gatts_evt.conn_handle, NULL, 0, 0); + APP_ERROR_CHECK(err_code); + break; + + case BLE_GATTC_EVT_TIMEOUT: + // fall-through. + case BLE_GATTS_EVT_TIMEOUT: + on_timeout(p_ble_evt); + break; + + default: + // No implementation needed. + break; + } +} + + +/**@brief Function for initializing the BLE stack. + + @details Initializes the SoftDevice and the BLE event interrupt. +*/ +static void ble_stack_init(void) +{ + ret_code_t err_code; + + err_code = nrf_sdh_enable_request(); + APP_ERROR_CHECK(err_code); + + // Configure the BLE stack using the default settings. + // Fetch the start address of the application RAM. + uint32_t ram_start = 0; + err_code = nrf_sdh_ble_default_cfg_set(APP_BLE_CONN_CFG_TAG, &ram_start); + APP_ERROR_CHECK(err_code); + + // Enable BLE stack. + err_code = nrf_sdh_ble_enable(&ram_start); + APP_ERROR_CHECK(err_code); + + // Register handler for BLE events. + NRF_SDH_BLE_OBSERVER(m_ble_observer, APP_BLE_OBSERVER_PRIO, ble_evt_handler, NULL); +} + + +/** @brief Database discovery initialization. +*/ +static void db_discovery_init(void) +{ + ret_code_t err_code = ble_db_discovery_init(db_disc_handler); + + APP_ERROR_CHECK(err_code); +} + + +/**@brief Function for initializing the nrf log module. + */ +static void log_init(void) +{ + ret_code_t err_code = NRF_LOG_INIT(NULL); + + APP_ERROR_CHECK(err_code); + + NRF_LOG_DEFAULT_BACKENDS_INIT(); +} + + +/**@brief Function for initializing power management. + */ +static void power_management_init(void) +{ + ret_code_t err_code; + err_code = nrf_pwr_mgmt_init(); + APP_ERROR_CHECK(err_code); +} + + +/**@brief Function for handling the idle state (main loop). If there is no pending log operation, + then sleep until next the next event occurs. + */ +static void idle_state_handle(void) +{ + if (NRF_LOG_PROCESS() == false) + { + nrf_pwr_mgmt_run(); + } +} + + +/**@brief Function for initializing the GATT module. + */ +static void gatt_init(void) +{ + ret_code_t err_code = nrf_ble_gatt_init(&m_gatt, NULL); + + APP_ERROR_CHECK(err_code); +} + + +/**@brief Function for handling Queued Write Module errors. + * + * @details A pointer to this function will be passed to each service which may need to inform the + * application about an error. + * + * @param[in] nrf_error Error code containing information about what went wrong. + */ +static void nrf_qwr_error_handler(uint32_t nrf_error) +{ + APP_ERROR_HANDLER(nrf_error); +} + + +/**@brief Function for initializing services that will be used by the application. + */ +static void services_init(void) +{ + ret_code_t err_code; + nrf_ble_gatts_c_init_t gatts_c_init = {0}; + nrf_ble_qwr_init_t qwr_init = {0}; + + // Initialize Queued Write Module. + qwr_init.error_handler = nrf_qwr_error_handler; + + err_code = nrf_ble_qwr_init(&m_qwr, &qwr_init); + APP_ERROR_CHECK(err_code); + + // Initialize GATTS Client Module. + gatts_c_init.evt_handler = gatts_evt_handler; + + err_code = nrf_ble_gatts_c_init(&m_gatts_c, &gatts_c_init); + APP_ERROR_CHECK(err_code); +} + + +/**@brief Function for initializing all the modules used in this example application. + */ +static void modules_init(void) +{ + log_init(); + leds_init(); + timers_init(); + buttons_leds_init(&m_erase_bonds); + power_management_init(); + ble_stack_init(); + gap_params_init(); + gatt_init(); + db_discovery_init(); + services_init(); + advertising_init(); + peer_manager_init(); +} + + +/**@brief Function for application main entry. + */ +int main(void) +{ + // Initialize. + modules_init(); + + // Start execution. + NRF_LOG_INFO("GATT Service client started."); + advertising_start(m_erase_bonds); + + // Enter main loop. + for (;;) + { + idle_state_handle(); + } +} + + +/** + * @} + */ |