I'm having trouble having multiple characteristics for my custom service. My main.c looks like this:
/** * Copyright (c) 2014 - 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. * */ /** @file * * @defgroup ble_sdk_app_template_main main.c * @{ * @ingroup ble_sdk_app_template * @brief Template project main file. * * This file contains a template for creating a new application. It has the code necessary to wakeup * from button, advertise, get a connection restart advertising on disconnect and if no new * connection created go back to system-off mode. * It can easily be used as a starting point for creating a new application, the comments identified * with 'YOUR_JOB' indicates where and how you can customize. */ #include <stdbool.h> #include <stdint.h> #include <string.h> #include "nordic_common.h" #include "nrf.h" #include "app_error.h" #include "ble.h" #include "ble_hci.h" #include "ble_srv_common.h" #include "ble_advdata.h" #include "ble_advertising.h" #include "ble_conn_params.h" #include "nrf_sdh.h" #include "nrf_sdh_soc.h" #include "nrf_sdh_ble.h" #include "app_timer.h" #include "fds.h" #include "peer_manager.h" #include "bsp_btn_ble.h" #include "sensorsim.h" #include "ble_conn_state.h" #include "nrf_ble_gatt.h" #include "nrf_ble_qwr.h" #include "nrf_pwr_mgmt.h" #include "nrf_log.h" #include "nrf_log_ctrl.h" #include "nrf_log_default_backends.h" #include "pca10056/s140/ses/cus_dummy_wifi.h" #define DEVICE_NAME "DEMO" /**< Name of device. Will be included in the advertising data. */ #define MANUFACTURER_NAME "Nordic" /**< Manufacturer. Will be passed to Device Information Service. */ #define APP_ADV_INTERVAL 300 /**< The advertising interval (in units of 0.625 ms. This value corresponds to 187.5 ms). */ #define APP_ADV_DURATION 18000 /**< The advertising duration (180 seconds) in units of 10 milliseconds. */ #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 MIN_CONN_INTERVAL MSEC_TO_UNITS(100, UNIT_1_25_MS) /**< Minimum acceptable connection interval (0.1 seconds). */ #define MAX_CONN_INTERVAL MSEC_TO_UNITS(200, UNIT_1_25_MS) /**< Maximum acceptable connection interval (0.2 second). */ #define SLAVE_LATENCY 0 /**< Slave latency. */ #define CONN_SUP_TIMEOUT MSEC_TO_UNITS(4000, UNIT_10_MS) /**< Connection supervisory timeout (4 seconds). */ #define FIRST_CONN_PARAMS_UPDATE_DELAY APP_TIMER_TICKS(5000) /**< Time from initiating event (connect or start of notification) to first time sd_ble_gap_conn_param_update is called (5 seconds). */ #define NEXT_CONN_PARAMS_UPDATE_DELAY APP_TIMER_TICKS(30000) /**< Time between each call to sd_ble_gap_conn_param_update after the first call (30 seconds). */ #define MAX_CONN_PARAMS_UPDATE_COUNT 3 /**< Number of attempts before giving up the connection parameter negotiation. */ #define SEC_PARAM_BOND 1 /**< Perform bonding. */ #define SEC_PARAM_MITM 0 /**< Man In The Middle protection not required. */ #define SEC_PARAM_LESC 0 /**< LE Secure Connections not enabled. */ #define SEC_PARAM_KEYPRESS 0 /**< Keypress notifications not enabled. */ #define SEC_PARAM_IO_CAPABILITIES BLE_GAP_IO_CAPS_NONE /**< No I/O capabilities. */ #define SEC_PARAM_OOB 0 /**< Out Of Band data not available. */ #define SEC_PARAM_MIN_KEY_SIZE 7 /**< Minimum encryption key size. */ #define SEC_PARAM_MAX_KEY_SIZE 16 /**< Maximum encryption key size. */ #define DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */ static cus_dummy_wifi_t m_cus; NRF_BLE_GATT_DEF(m_gatt); BLE_ADVERTISING_DEF(m_advertising); /**< Advertising module instance. */ static uint16_t m_conn_handle = BLE_CONN_HANDLE_INVALID; /**< Handle of the current connection. */ /* YOUR_JOB: Declare all services structure your application is using * BLE_XYZ_DEF(m_xyz); */ // YOUR_JOB: Use UUIDs for service(s) used in your application. static ble_uuid_t m_adv_uuids[] = /**< Universally unique service identifiers. */ { {WIFI_SERVICE_UUID, BLE_UUID_TYPE_VENDOR_BEGIN } }; static void advertising_start(bool erase_bonds); /**@brief Callback function for asserts in the SoftDevice. * * @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] 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 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."); } 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); } break; case PM_EVT_CONN_SEC_FAILED: { /* Often, when securing fails, it shouldn't 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. */ } 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: { advertising_start(false); } break; case PM_EVT_PEER_DATA_UPDATE_FAILED: { // Assert. APP_ERROR_CHECK(p_evt->params.peer_data_update_failed.error); } break; case PM_EVT_PEER_DELETE_FAILED: { // Assert. APP_ERROR_CHECK(p_evt->params.peer_delete_failed.error); } break; case PM_EVT_PEERS_DELETE_FAILED: { // Assert. APP_ERROR_CHECK(p_evt->params.peers_delete_failed_evt.error); } break; case PM_EVT_ERROR_UNEXPECTED: { // Assert. APP_ERROR_CHECK(p_evt->params.error_unexpected.error); } break; case PM_EVT_CONN_SEC_START: case PM_EVT_PEER_DATA_UPDATE_SUCCEEDED: case PM_EVT_PEER_DELETE_SUCCEEDED: case PM_EVT_LOCAL_DB_CACHE_APPLIED: case PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED: // This can happen when the local DB has changed. case PM_EVT_SERVICE_CHANGED_IND_SENT: case PM_EVT_SERVICE_CHANGED_IND_CONFIRMED: default: break; } } /**@brief Function for the Timer initialization. * * @details Initializes the timer module. This creates and starts application timers. */ static void timers_init(void) { // Initialize timer module. ret_code_t err_code = app_timer_init(); APP_ERROR_CHECK(err_code); /* YOUR_JOB: Create any timers to be used by the application. Below is an example of how to create a timer. For every new timer needed, increase the value of the macro APP_TIMER_MAX_TIMERS by one. ret_code_t err_code; err_code = app_timer_create(&m_app_timer_id, APP_TIMER_MODE_REPEATED, timer_timeout_handler); 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); /* YOUR_JOB: Use an appearance value matching the application's use case. err_code = sd_ble_gap_appearance_set(BLE_APPEARANCE_); APP_ERROR_CHECK(err_code); */ memset(&gap_conn_params, 0, sizeof(gap_conn_params)); gap_conn_params.min_conn_interval = MIN_CONN_INTERVAL; gap_conn_params.max_conn_interval = MAX_CONN_INTERVAL; gap_conn_params.slave_latency = SLAVE_LATENCY; gap_conn_params.conn_sup_timeout = CONN_SUP_TIMEOUT; err_code = sd_ble_gap_ppcp_set(&gap_conn_params); APP_ERROR_CHECK(err_code); } /**@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 handling the YYY Service events. * YOUR_JOB implement a service handler function depending on the event the service you are using can generate * * @details This function will be called for all YY Service events which are passed to * the application. * * @param[in] p_yy_service YY Service structure. * @param[in] p_evt Event received from the YY Service. * * static void on_yys_evt(ble_yy_service_t * p_yy_service, ble_yy_service_evt_t * p_evt) { switch (p_evt->evt_type) { case BLE_YY_NAME_EVT_WRITE: APPL_LOG("[APPL]: charact written with value %s. ", p_evt->params.char_xx.value.p_str); break; default: // No implementation needed. break; } } //*/ ///**@brief Function for handling the Custom Service Service events. // * // * @details This function will be called for all Custom Service events which are passed to // * the application. // * // * @param[in] p_cus_service Custom Service structure. // * @param[in] p_evt Event received from the Custom Service. // * // */ //static void on_cus_evt(ble_cus_t * p_cus_service, // ble_cus_evt_t * p_evt) //{ // ret_code_t err_code; // // switch(p_evt->evt_type) // { // case BLE_CUS_EVT_NOTIFICATION_ENABLED: // break; // // case BLE_CUS_EVT_NOTIFICATION_DISABLED: // break; // // case BLE_CUS_EVT_CONNECTED: // break; // // case BLE_CUS_EVT_DISCONNECTED: // break; // // default: // // No implementation needed. // break; // } //} /**@brief Function for initializing services that will be used by the application. */ static void services_init(void) { uint32_t err_code; // Initialize the Simple service err_code = cus_dummy_wifi_init(&m_cus, NULL); APP_ERROR_CHECK(err_code); } /**@brief Function for handling the Connection Parameters Module. * * @details This function will be called for all events in the Connection Parameters Module which * are passed to the application. * @note All this function does is to disconnect. This could have been done by simply * setting the disconnect_on_fail config parameter, but instead we use the event * handler mechanism to demonstrate its use. * * @param[in] p_evt Event received from the Connection Parameters Module. */ static void on_conn_params_evt(ble_conn_params_evt_t * p_evt) { ret_code_t err_code; if (p_evt->evt_type == BLE_CONN_PARAMS_EVT_FAILED) { err_code = sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_CONN_INTERVAL_UNACCEPTABLE); APP_ERROR_CHECK(err_code); } } /**@brief Function for handling a Connection Parameters error. * * @param[in] nrf_error Error code containing information about what went wrong. */ static void conn_params_error_handler(uint32_t nrf_error) { APP_ERROR_HANDLER(nrf_error); } /**@brief Function for initializing the Connection Parameters module. */ static void conn_params_init(void) { ret_code_t err_code; ble_conn_params_init_t cp_init; memset(&cp_init, 0, sizeof(cp_init)); cp_init.p_conn_params = NULL; cp_init.first_conn_params_update_delay = FIRST_CONN_PARAMS_UPDATE_DELAY; cp_init.next_conn_params_update_delay = NEXT_CONN_PARAMS_UPDATE_DELAY; cp_init.max_conn_params_update_count = MAX_CONN_PARAMS_UPDATE_COUNT; cp_init.start_on_notify_cccd_handle = BLE_GATT_HANDLE_INVALID; cp_init.disconnect_on_fail = false; cp_init.evt_handler = on_conn_params_evt; cp_init.error_handler = conn_params_error_handler; err_code = ble_conn_params_init(&cp_init); APP_ERROR_CHECK(err_code); } /**@brief Function for starting timers. */ static void application_timers_start(void) { /* YOUR_JOB: Start your timers. below is an example of how to start a timer. ret_code_t err_code; err_code = app_timer_start(m_app_timer_id, TIMER_INTERVAL, NULL); APP_ERROR_CHECK(err_code); */ } /**@brief Function for putting the chip into sleep mode. * * @note This function will not return. */ static void sleep_mode_enter(void) { ret_code_t err_code; err_code = bsp_indication_set(BSP_INDICATE_IDLE); APP_ERROR_CHECK(err_code); // Prepare wakeup buttons. err_code = bsp_btn_ble_sleep_mode_prepare(); APP_ERROR_CHECK(err_code); // Go to system-off mode (this function will not return; wakeup will cause a reset). err_code = sd_power_system_off(); APP_ERROR_CHECK(err_code); } /**@brief Function for handling advertising events. * * @details This function will be called for advertising events which are passed to the application. * * @param[in] ble_adv_evt Advertising event. */ static void on_adv_evt(ble_adv_evt_t ble_adv_evt) { ret_code_t err_code; switch (ble_adv_evt) { case BLE_ADV_EVT_FAST: NRF_LOG_INFO("Fast advertising."); err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING); APP_ERROR_CHECK(err_code); break; case BLE_ADV_EVT_IDLE: sleep_mode_enter(); break; default: 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 = NRF_SUCCESS; cus_dummy_wifi_on_ble_evt(&m_cus, p_ble_evt); switch (p_ble_evt->header.evt_id) { case BLE_GAP_EVT_DISCONNECTED: NRF_LOG_INFO("Disconnected."); err_code = bsp_indication_set(BSP_INDICATE_IDLE); APP_ERROR_CHECK(err_code); break; case BLE_GAP_EVT_CONNECTED: NRF_LOG_INFO("Connected."); err_code = bsp_indication_set(BSP_INDICATE_CONNECTED); APP_ERROR_CHECK(err_code); m_conn_handle = p_ble_evt->evt.gap_evt.conn_handle; break; case BLE_GATTC_EVT_TIMEOUT: // Disconnect on GATT Client timeout event. 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: // Disconnect on GATT Server timeout event. 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; case BLE_EVT_USER_MEM_REQUEST: err_code = sd_ble_user_mem_reply(p_ble_evt->evt.gattc_evt.conn_handle, NULL); 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(m_conn_handle, NULL, 0, 0); APP_ERROR_CHECK(err_code); 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 a handler for BLE events. NRF_SDH_BLE_OBSERVER(m_ble_observer, APP_BLE_OBSERVER_PRIO, ble_evt_handler, NULL); } /**@brief Function for the Peer Manager initialization. */ static void peer_manager_init(void) { ble_gap_sec_params_t sec_param; ret_code_t err_code; 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.lesc = SEC_PARAM_LESC; sec_param.keypress = SEC_PARAM_KEYPRESS; 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); } /**@brief Clear bond information from persistent storage. */ static void delete_bonds(void) { ret_code_t err_code; NRF_LOG_INFO("Erase bonds!"); err_code = pm_peers_delete(); APP_ERROR_CHECK(err_code); } /**@brief Function for handling events from the BSP module. * * @param[in] event Event generated when button is pressed. */ static void bsp_event_handler(bsp_event_t event) { ret_code_t err_code; switch (event) { case BSP_EVENT_SLEEP: sleep_mode_enter(); break; // BSP_EVENT_SLEEP case BSP_EVENT_DISCONNECT: err_code = sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); if (err_code != NRF_ERROR_INVALID_STATE) { APP_ERROR_CHECK(err_code); } break; // BSP_EVENT_DISCONNECT case BSP_EVENT_WHITELIST_OFF: if (m_conn_handle == BLE_CONN_HANDLE_INVALID) { err_code = ble_advertising_restart_without_whitelist(&m_advertising); if (err_code != NRF_ERROR_INVALID_STATE) { APP_ERROR_CHECK(err_code); } } break; // BSP_EVENT_KEY_0 default: break; } } /**@brief Function for initializing the Advertising functionality. */ static void advertising_init(void) { ret_code_t err_code; ble_advertising_init_t init; memset(&init, 0, sizeof(init)); init.advdata.name_type = BLE_ADVDATA_FULL_NAME; init.advdata.include_appearance = true; init.advdata.flags = BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE; init.advdata.uuids_complete.uuid_cnt = sizeof(m_adv_uuids) / sizeof(m_adv_uuids[0]); init.advdata.uuids_complete.p_uuids = m_adv_uuids; init.config.ble_adv_fast_enabled = true; init.config.ble_adv_fast_interval = APP_ADV_INTERVAL; init.config.ble_adv_fast_timeout = APP_ADV_DURATION; init.evt_handler = on_adv_evt; err_code = ble_advertising_init(&m_advertising, &init); APP_ERROR_CHECK(err_code); ble_advertising_conn_cfg_tag_set(&m_advertising, APP_BLE_CONN_CFG_TAG); } /**@brief Function for initializing buttons and leds. * * @param[out] p_erase_bonds Will be true if the clear bonding button was pressed to wake the application up. */ 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_LED | BSP_INIT_BUTTONS, bsp_event_handler); 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 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). * * @details 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 starting advertising. */ static void advertising_start(bool erase_bonds) { if (erase_bonds == true) { delete_bonds(); // Advertising is started by PM_EVT_PEERS_DELETED_SUCEEDED event } else { ret_code_t err_code = ble_advertising_start(&m_advertising, BLE_ADV_MODE_FAST); APP_ERROR_CHECK(err_code); } } /**@brief Function for application main entry. */ int main(void) { bool erase_bonds; // Initialize. log_init(); timers_init(); buttons_leds_init(&erase_bonds); power_management_init(); ble_stack_init(); gap_params_init(); gatt_init(); services_init(); advertising_init(); conn_params_init(); peer_manager_init(); // Start execution. NRF_LOG_INFO("Template example started."); application_timers_start(); advertising_start(erase_bonds); // Enter main loop. for (;;) { idle_state_handle(); } } /** * @} */
Even though I have 2 characteristics added here, I can see just the first characteristic on my BLE App. If I move the char_add_2 above the char_add_1 I can see the char_add_2 but not char_add_1. My custom service source file cus_dummy_wifi.c :
#include "cus_dummy_wifi.h" #include <string.h> #include "nrf_gpio.h" #include "boards.h" #include "nrf_log.h" /**@brief Function for handling the Connect event. * * @param[in] p_cus WiFi Service structure. * @param[in] p_ble_evt Event received from the BLE stack. */ static const uint8_t SSIDCharName[] = "SSID"; static const uint8_t IPCharName[] = "IP"; static const uint8_t MACCharName[] = "MAC"; static const uint8_t STATUSCharName[] = "STATUS"; static bool notifications_enabled = false; static void on_connect(cus_dummy_wifi_t * p_cus, ble_evt_t const * p_ble_evt) { uint8_t ssid[10]="DummySSID"; uint8_t IP[16] = "192.168.1.1"; // uint8_t MAC[18] = "A4:08:EA:D9:CD:D0"; // uint8_t LinkStatus[5] = "Up"; p_cus->conn_handle = p_ble_evt->evt.gap_evt.conn_handle; cus_dummy_wifi_ssid_update(p_cus, ssid); cus_dummy_wifi_ip_update(p_cus, IP); } /**@brief Function for handling the Disconnect event. * * @param[in] p_cus WiFi Service structure. * @param[in] p_ble_evt Event received from the BLE stack. */ static void on_disconnect(cus_dummy_wifi_t * p_cus, ble_evt_t const * p_ble_evt) { UNUSED_PARAMETER(p_ble_evt); p_cus->conn_handle = BLE_CONN_HANDLE_INVALID; notifications_enabled = false; } /**@brief Function for handling the Write event. * * @param[in] p_cus WiFi Service structure. * @param[in] p_ble_evt Event received from the BLE stack. */ static void on_write(cus_dummy_wifi_t * p_cus, ble_evt_t const * p_ble_evt) { ble_gatts_evt_write_t const * p_evt_write = &p_ble_evt->evt.gatts_evt.params.write; if ((p_evt_write->handle == p_cus->ssid_value_handles.cccd_handle) && (p_evt_write->len == 2)) { cus_dummy_wifi_evt_t evt; if (ble_srv_is_notification_enabled(p_evt_write->data)) { NRF_LOG_INFO("Notifications ENABLED for custom service"); evt.evt_type = CUS_DUMMY_WIFI_EVT_NOTIFICATION_ENABLED; notifications_enabled = true; } else { NRF_LOG_INFO("Notifications DISABLED for custom service"); evt.evt_type = CUS_DUMMY_WIFI_EVT_NOTIFICATION_DISABLED; notifications_enabled = false; } if (p_cus->evt_handler != NULL) { NRF_LOG_INFO("Event Handler"); // CCCD written, call application event handler. p_cus->evt_handler(p_cus, &evt); } } } void cus_dummy_wifi_on_ble_evt(cus_dummy_wifi_t * p_cus, ble_evt_t const * p_ble_evt) { if (p_cus == NULL || p_ble_evt == NULL) { return; } NRF_LOG_INFO("BLE event received. Event type = %d\r\n", p_ble_evt->header.evt_id); switch (p_ble_evt->header.evt_id) { case BLE_GAP_EVT_CONNECTED: NRF_LOG_INFO("Connect event\n\r"); on_connect(p_cus, p_ble_evt); break; case BLE_GAP_EVT_DISCONNECTED: NRF_LOG_INFO("Disconnect event\n\r"); on_disconnect(p_cus, p_ble_evt); break; case BLE_GATTS_EVT_WRITE: NRF_LOG_INFO("Write event\n\r"); on_write(p_cus, p_ble_evt); break; default: // No implementation needed. break; } } /**@brief Function for adding the WiFi SSID characteristic. * * @param[in] p_cus WiFi Service structure. * * @return NRF_SUCCESS on success, otherwise an error code. */ static uint32_t ssid_char_add(cus_dummy_wifi_t * p_cus) { NRF_LOG_INFO("SSID Char Add\n\r"); uint32_t err_code; ble_gatts_char_md_t char_md; ble_gatts_attr_md_t cccd_md; ble_gatts_attr_t attr_char_value; ble_uuid_t ble_uuid; ble_gatts_attr_md_t attr_md; // Add Custom Value characteristic memset(&char_md, 0, sizeof(char_md)); memset(&cccd_md, 0, sizeof(cccd_md)); memset(&attr_md, 0, sizeof(attr_md)); memset(&attr_char_value, 0, sizeof(attr_char_value)); // Set permissions on the CCCD and Characteristic value BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.read_perm); BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.write_perm); BLE_GAP_CONN_SEC_MODE_SET_OPEN(&attr_md.write_perm); BLE_GAP_CONN_SEC_MODE_SET_OPEN(&attr_md.read_perm); // CCCD settings (needed for notifications and/or indications) cccd_md.vloc = BLE_GATTS_VLOC_STACK; // Characteristic Metadata char_md.char_props.read = 1; char_md.char_props.notify = 1; char_md.p_char_user_desc = SSIDCharName; char_md.char_user_desc_size = sizeof(SSIDCharName); char_md.char_user_desc_max_size = sizeof(SSIDCharName); char_md.p_char_pf = NULL; char_md.p_user_desc_md = NULL; char_md.p_cccd_md = &cccd_md; char_md.p_sccd_md = NULL; // Define the Characteristic UUID ble_uuid.type = p_cus->uuid_type; ble_uuid.uuid = WIFI_SSID_CHAR_UUID; // Attribute Metadata settings attr_md.vloc = BLE_GATTS_VLOC_STACK; attr_md.rd_auth = 0; attr_md.wr_auth = 0; attr_md.vlen = 1; // Attribute Value settings attr_char_value.p_uuid = &ble_uuid; attr_char_value.p_attr_md = &attr_md; attr_char_value.init_len = sizeof(uint8_t); attr_char_value.init_offs = 0; attr_char_value.max_len = BLE_MAX_DATA_LEN; return sd_ble_gatts_characteristic_add(p_cus->service_handle, &char_md, &attr_char_value, &p_cus->ssid_value_handles); } /**@brief Function for adding the WiFi IP characteristic. * * @param[in] p_cus WiFi Service structure. * * @return NRF_SUCCESS on success, otherwise an error code. */ static uint32_t ip_char_add(cus_dummy_wifi_t * p_cus) { NRF_LOG_INFO("IP Char Add\n\r"); uint32_t err_code; ble_gatts_char_md_t char_md; ble_gatts_attr_md_t cccd_md; ble_gatts_attr_t attr_char_value; ble_uuid_t ble_uuid; ble_gatts_attr_md_t attr_md; // Add Custom Value characteristic memset(&char_md, 0, sizeof(char_md)); memset(&cccd_md, 0, sizeof(cccd_md)); memset(&attr_md, 0, sizeof(attr_md)); memset(&attr_char_value, 0, sizeof(attr_char_value)); // Set permissions on the CCCD and Characteristic value BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.read_perm); BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.write_perm); BLE_GAP_CONN_SEC_MODE_SET_OPEN(&attr_md.write_perm); BLE_GAP_CONN_SEC_MODE_SET_OPEN(&attr_md.read_perm); // CCCD settings (needed for notifications and/or indications) cccd_md.vloc = BLE_GATTS_VLOC_STACK; // Characteristic Metadata char_md.char_props.read = 1; char_md.char_props.notify = 1; char_md.p_char_user_desc = IPCharName; char_md.char_user_desc_size = sizeof(IPCharName); char_md.char_user_desc_max_size = sizeof(IPCharName); char_md.p_char_pf = NULL; char_md.p_user_desc_md = NULL; char_md.p_cccd_md = &cccd_md; char_md.p_sccd_md = NULL; // Define the Characteristic UUID ble_uuid.type = p_cus->uuid_type; ble_uuid.uuid = WIFI_IP_CHAR_UUID; // Attribute Metadata settings attr_md.vloc = BLE_GATTS_VLOC_STACK; attr_md.rd_auth = 0; attr_md.wr_auth = 0; attr_md.vlen = 1; // Attribute Value settings attr_char_value.p_uuid = &ble_uuid; attr_char_value.p_attr_md = &attr_md; attr_char_value.init_len = sizeof(uint8_t); attr_char_value.init_offs = 0; attr_char_value.max_len = BLE_MAX_DATA_LEN; return sd_ble_gatts_characteristic_add(p_cus->service_handle, &char_md, &attr_char_value, &p_cus->ip_value_handles); } /**@brief Function for adding the WiFi MAC characteristic. * * @param[in] p_cus WiFi Service structure. * * @return NRF_SUCCESS on success, otherwise an error code. */ static uint32_t mac_char_add(cus_dummy_wifi_t * p_cus) { uint32_t err_code; ble_gatts_char_md_t char_md; ble_gatts_attr_md_t cccd_md; ble_gatts_attr_t attr_char_value; ble_uuid_t ble_uuid; ble_gatts_attr_md_t attr_md; // Add Custom Value characteristic memset(&char_md, 0, sizeof(char_md)); memset(&cccd_md, 0, sizeof(cccd_md)); memset(&attr_md, 0, sizeof(attr_md)); memset(&attr_char_value, 0, sizeof(attr_char_value)); // Set permissions on the CCCD and Characteristic value BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.read_perm); BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.write_perm); BLE_GAP_CONN_SEC_MODE_SET_OPEN(&attr_md.write_perm); BLE_GAP_CONN_SEC_MODE_SET_OPEN(&attr_md.read_perm); // CCCD settings (needed for notifications and/or indications) cccd_md.vloc = BLE_GATTS_VLOC_STACK; // Characteristic Metadata char_md.char_props.read = 1; char_md.char_props.notify = 1; char_md.p_char_user_desc = MACCharName; char_md.char_user_desc_size = sizeof(MACCharName); char_md.char_user_desc_max_size = sizeof(MACCharName); char_md.p_char_pf = NULL; char_md.p_user_desc_md = NULL; char_md.p_cccd_md = &cccd_md; char_md.p_sccd_md = NULL; // Define the Characteristic UUID ble_uuid.type = p_cus->uuid_type; ble_uuid.uuid = WIFI_MAC_CHAR_UUID; // Attribute Metadata settings attr_md.vloc = BLE_GATTS_VLOC_STACK; attr_md.rd_auth = 0; attr_md.wr_auth = 0; attr_md.vlen = 1; // Attribute Value settings attr_char_value.p_uuid = &ble_uuid; attr_char_value.p_attr_md = &attr_md; attr_char_value.init_len = sizeof(uint8_t); attr_char_value.init_offs = 0; attr_char_value.max_len = BLE_MAX_DATA_LEN; return sd_ble_gatts_characteristic_add(p_cus->service_handle, &char_md, &attr_char_value, &p_cus->mac_value_handles); } /**@brief Function for adding the WiFi STATUS characteristic. * * @param[in] p_cus WiFi Service structure. * * @return NRF_SUCCESS on success, otherwise an error code. */ static uint32_t status_char_add(cus_dummy_wifi_t * p_cus) { uint32_t err_code; ble_gatts_char_md_t char_md; ble_gatts_attr_md_t cccd_md; ble_gatts_attr_t attr_char_value; ble_uuid_t ble_uuid; ble_gatts_attr_md_t attr_md; uint8_t init_value = 0; // Add Custom Value characteristic memset(&char_md, 0, sizeof(char_md)); memset(&cccd_md, 0, sizeof(cccd_md)); memset(&attr_md, 0, sizeof(attr_md)); memset(&attr_char_value, 0, sizeof(attr_char_value)); // Set permissions on the CCCD and Characteristic value BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.read_perm); BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.write_perm); BLE_GAP_CONN_SEC_MODE_SET_OPEN(&attr_md.write_perm); BLE_GAP_CONN_SEC_MODE_SET_OPEN(&attr_md.read_perm); // CCCD settings (needed for notifications and/or indications) cccd_md.vloc = BLE_GATTS_VLOC_STACK; // Characteristic Metadata char_md.char_props.read = 1; char_md.char_props.notify = 1; char_md.p_char_user_desc = STATUSCharName; char_md.char_user_desc_size = sizeof(STATUSCharName); char_md.char_user_desc_max_size = sizeof(STATUSCharName); char_md.p_char_pf = NULL; char_md.p_user_desc_md = NULL; char_md.p_cccd_md = &cccd_md; char_md.p_sccd_md = NULL; // Define the Characteristic UUID ble_uuid.type = p_cus->uuid_type; ble_uuid.uuid = WIFI_STATUS_CHAR_UUID; // Attribute Metadata settings attr_md.vloc = BLE_GATTS_VLOC_STACK; attr_md.rd_auth = 0; attr_md.wr_auth = 0; attr_md.vlen = 0; // Attribute Value settings attr_char_value.p_uuid = &ble_uuid; attr_char_value.p_attr_md = &attr_md; attr_char_value.init_len = sizeof(uint8_t); attr_char_value.init_offs = 0; attr_char_value.max_len = BLE_MAX_DATA_LEN; attr_char_value.p_value = &init_value; return sd_ble_gatts_characteristic_add(p_cus->service_handle, &char_md, &attr_char_value, &p_cus->status_value_handles); } uint32_t cus_dummy_wifi_init(cus_dummy_wifi_t * p_cus, cus_dummy_wifi_evt_handler_t app_evt_handler) { uint32_t err_code; ble_uuid_t ble_uuid; // Initialize service structure p_cus->conn_handle = BLE_CONN_HANDLE_INVALID; if (app_evt_handler != NULL) { p_cus->evt_handler = app_evt_handler; } // Add service UUID ble_uuid128_t base_uuid = {WIFI_SERVICE_UUID_BASE}; err_code = sd_ble_uuid_vs_add(&base_uuid, &p_cus->uuid_type); VERIFY_SUCCESS(err_code); // Set up the UUID for the service (base + service-specific) ble_uuid.type = p_cus->uuid_type; ble_uuid.uuid = WIFI_SERVICE_UUID; // Set up and add the service err_code = sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY, &ble_uuid, &p_cus->service_handle); if (err_code != NRF_SUCCESS) { return err_code; } // Add characteristics err_code = ip_char_add(p_cus); VERIFY_SUCCESS(err_code); err_code = ssid_char_add(p_cus); VERIFY_SUCCESS(err_code); return NRF_SUCCESS; } uint32_t cus_dummy_wifi_ssid_update(cus_dummy_wifi_t * p_cus, uint8_t * value) { NRF_LOG_INFO("In cus_dummy_wifi_ssid_update.\r\n"); if (p_cus == NULL) { return NRF_ERROR_NULL; } uint32_t err_code = NRF_SUCCESS; ble_gatts_value_t gatts_value; if (p_cus->conn_handle != BLE_CONN_HANDLE_INVALID) { // Initialize value struct. memset(&gatts_value, 0, sizeof(gatts_value)); gatts_value.len = sizeof(uint8_t); gatts_value.offset = 0; gatts_value.p_value = value; // Update database. NRF_LOG_INFO("Updating SSID....\r\n"); err_code = sd_ble_gatts_value_set(p_cus->conn_handle, p_cus->ssid_value_handles.value_handle, &gatts_value); APP_ERROR_CHECK(err_code); if (notifications_enabled) { NRF_LOG_INFO("Sending notification for SSID"); uint16_t len = sizeof (uint8_t); ble_gatts_hvx_params_t hvx_params; memset(&hvx_params, 0, sizeof(hvx_params)); hvx_params.handle = p_cus->ssid_value_handles.value_handle; hvx_params.type = BLE_GATT_HVX_NOTIFICATION; hvx_params.offset = 0; hvx_params.p_len = &len; hvx_params.p_data = value; err_code = sd_ble_gatts_hvx(p_cus->conn_handle, &hvx_params); APP_ERROR_CHECK(err_code); } } } uint32_t cus_dummy_wifi_ip_update(cus_dummy_wifi_t * p_cus, uint8_t * value) { NRF_LOG_INFO("In cus_dummy_wifi_ip_update.\r\n"); if (p_cus == NULL) { return NRF_ERROR_NULL; } uint32_t err_code = NRF_SUCCESS; ble_gatts_value_t gatts_value; if (p_cus->conn_handle != BLE_CONN_HANDLE_INVALID) { // Initialize value struct. memset(&gatts_value, 0, sizeof(gatts_value)); NRF_LOG_INFO("Size of val - %d, size of val/val[0] - %d", sizeof(value), sizeof(value)/sizeof(value[0])); gatts_value.len = sizeof(uint8_t); gatts_value.offset = 0; gatts_value.p_value = value; // Update database. NRF_LOG_INFO("Updating IP....\r\n"); err_code = sd_ble_gatts_value_set(p_cus->conn_handle, p_cus->ip_value_handles.value_handle, &gatts_value); APP_ERROR_CHECK(err_code); if (notifications_enabled) { NRF_LOG_INFO("Sending notification for IP"); ble_gatts_hvx_params_t hvx_params; memset(&hvx_params, 0, sizeof(hvx_params)); uint16_t len = sizeof (uint8_t); hvx_params.handle = p_cus->ip_value_handles.value_handle; hvx_params.type = BLE_GATT_HVX_NOTIFICATION; hvx_params.offset = 0; hvx_params.p_len = &len; hvx_params.p_data = value; err_code = sd_ble_gatts_hvx(p_cus->conn_handle, &hvx_params); APP_ERROR_CHECK(err_code); } } }
And it's header file:
#ifndef CUS_DUMMY_WIFI_H__ #define CUS_DUMMY_WIFI_H__ #include <stdint.h> #include "ble.h" #include "ble_srv_common.h" #include "sdk_config.h" #define OPCODE_LENGTH 1 #define HANDLE_LENGTH 2 /**@brief Maximum length of data (in bytes) that can be transmitted to the peer by the service. */ #if defined(NRF_SDH_BLE_GATT_MAX_MTU_SIZE) && (NRF_SDH_BLE_GATT_MAX_MTU_SIZE != 0) #define BLE_MAX_DATA_LEN (NRF_SDH_BLE_GATT_MAX_MTU_SIZE - OPCODE_LENGTH - HANDLE_LENGTH) #else #define BLE_MAX_DATA_LEN (BLE_GATT_MTU_SIZE_DEFAULT - OPCODE_LENGTH - HANDLE_LENGTH) #warning NRF_SDH_BLE_GATT_MAX_MTU_SIZE is not defined. #endif #define WIFI_SERVICE_UUID_BASE {0xAC, 0x8A, 0xBF, 0x45, 0xCA, 0x05, 0x50, 0xBA, \ 0x40, 0x42, 0xB0, 0x00, 0x00, 0x00, 0x64, 0xF3} #define WIFI_SERVICE_UUID 0x0001 #define WIFI_SSID_CHAR_UUID 0x0002 #define WIFI_IP_CHAR_UUID 0x0003 #define WIFI_MAC_CHAR_UUID 0x0004 #define WIFI_STATUS_CHAR_UUID 0x0005 /**@brief WiFi Service event type. */ typedef enum { CUS_DUMMY_WIFI_EVT_NOTIFICATION_ENABLED, /**< Custom value notification enabled event. */ CUS_DUMMY_WIFI_EVT_NOTIFICATION_DISABLED, /**< Custom value notification disabled event. */ CUS_DUMMY_WIFI_EVT_DISCONNECTED, CUS_DUMMY_WIFI_EVT_CONNECTED } cus_dummy_wifi_evt_type_t; /**@brief WiFi Service event. */ typedef struct { cus_dummy_wifi_evt_type_t evt_type; /**< Type of event. */ } cus_dummy_wifi_evt_t; // Forward declaration of the cus_dummy_wifi_t type. typedef struct cus_dummy_wifi_s cus_dummy_wifi_t; /**@brief WiFi Service event handler type. */ typedef void (*cus_dummy_wifi_evt_handler_t) (cus_dummy_wifi_t * p_bas, cus_dummy_wifi_evt_t * p_evt); /**@brief WiFi Service structure. This contains various status information for the service. */ typedef struct cus_dummy_wifi_s { uint16_t conn_handle; /**< Handle of the current connection (as provided by the BLE stack, is BLE_CONN_HANDLE_INVALID if not in a connection). */ uint16_t service_handle; /**< Handle of WiFi Service (as provided by the BLE stack). */ uint8_t uuid_type; cus_dummy_wifi_evt_handler_t evt_handler; /**< Event handler to be called for handling events in the WiFi Service. */ ble_gatts_char_handles_t ssid_value_handles; /**< Handles related to the SSID Value characteristic. */ ble_gatts_char_handles_t ip_value_handles; /**< Handles related to the IP Value characteristic. */ ble_gatts_char_handles_t mac_value_handles; /**< Handles related to the MAC Value characteristic. */ ble_gatts_char_handles_t status_value_handles; /**< Handles related to the STATUS Value characteristic. */ } cus_dummy_wifi_t; /* *@brief Function for initializing the Custom Service. * * @param[out] p_cus WiFi service structure. This structure will have to be supplied by * the application. It will be initialized by this function, and will later * be used to identify this particular service instance. * @param[in] app_evt_handler Event Handler for the WiFi service. * * @return NRF_SUCCESS on successful initialization of service, otherwise an error code. */ uint32_t cus_dummy_wifi_init(cus_dummy_wifi_t * p_cus, cus_dummy_wifi_evt_handler_t app_evt_handler); /**@brief Function for handling the Application's BLE Stack events. * * @details Handles all events from the BLE stack of interest to the WiFi Service. * * @note * * @param[in] p_cus WiFi Service structure. * @param[in] p_ble_evt Event received from the BLE stack. */ void cus_dummy_wifi_on_ble_evt( cus_dummy_wifi_t * p_cus, ble_evt_t const * p_ble_evt); /**@brief Function for updating a characteristic value. * * @details The application calls this function when the cutom value should be updated. If * notification has been enabled, the custom value characteristic is sent to the client. * * @note * * @param[in] p_cus WiFi Service structure. * @param[in] value Updated value * * @return NRF_SUCCESS on success, otherwise an error code. */ uint32_t cus_dummy_wifi_ssid_update(cus_dummy_wifi_t * p_cus, uint8_t * value); uint32_t cus_dummy_wifi_ip_update(cus_dummy_wifi_t * p_cus, uint8_t * value); uint32_t cus_dummy_wifi_mac_update(cus_dummy_wifi_t * p_cus, uint8_t * value); uint32_t cus_dummy_wifi_status_update(cus_dummy_wifi_t * p_cus, uint8_t * value); #endif // BLE_CUS_H__
It won't let me post the sdk_config header file though.
Anyway, What am I doing wrong?