/** * Copyright (c) 2016 - 2017, 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. * */ #include #include #include #include "nordic_common.h" #include "app_error.h" #include "app_uart.h" #include "ble_db_discovery.h" #include "app_timer.h" #include "app_util.h" #include "bsp_btn_ble.h" #include "ble.h" #include "ble_gap.h" #include "ble_hci.h" #include "nrf_sdh.h" #include "nrf_sdh_ble.h" #include "nrf_sdh_soc.h" #include "nrf_pwr_mgmt.h" #include "ble_advdata.h" #include "ble_nus_c.h" #include "nrf_ble_gatt.h" #include "nrf_delay.h" #include "nrf_log.h" #include "nrf_log_ctrl.h" #include "nrf_log_default_backends.h" #if defined (UART_PRESENT) #include "nrf_uart.h" #endif #if defined (UARTE_PRESENT) #include "nrf_uarte.h" #endif #define APP_BLE_CONN_CFG_TAG 1 /**< A tag that refers to the BLE stack configuration we set with @ref sd_ble_cfg_set. Default tag is @ref BLE_CONN_CFG_TAG_DEFAULT. */ #define APP_BLE_OBSERVER_PRIO 3 /**< Application's BLE observer priority. You shoulnd't need to modify this value. */ #define UART_TX_BUF_SIZE 256 /**< UART TX buffer size. */ #define UART_RX_BUF_SIZE 256 /**< UART RX buffer size. */ #define NUS_SERVICE_UUID_TYPE BLE_UUID_TYPE_VENDOR_BEGIN /**< UUID type for the Nordic UART Service (vendor specific). */ #define SCAN_INTERVAL 0x00A0 /**< Determines scan interval in units of 0.625 millisecond. */ #define SCAN_WINDOW 0x0050 /**< Determines scan window in units of 0.625 millisecond. */ #define SCAN_TIMEOUT 0x0000 /**< Timout when scanning. 0x0000 disables timeout. */ #define MIN_CONNECTION_INTERVAL MSEC_TO_UNITS(20, UNIT_1_25_MS) /**< Determines minimum connection interval in millisecond. */ #define MAX_CONNECTION_INTERVAL MSEC_TO_UNITS(75, UNIT_1_25_MS) /**< Determines maximum connection interval in millisecond. */ #define SLAVE_LATENCY 0 /**< Determines slave latency in counts of connection events. */ #define SUPERVISION_TIMEOUT MSEC_TO_UNITS(4000, UNIT_10_MS) /**< Determines supervision time-out in units of 10 millisecond. */ #define UUID16_SIZE 2 /**< Size of 16 bit UUID */ #define UUID32_SIZE 4 /**< Size of 32 bit UUID */ #define UUID128_SIZE 16 /**< Size of 128 bit UUID */ #define ECHOBACK_BLE_UART_DATA 0 /**< Echo the UART data that is received over the Nordic UART Service back to the sender. */ BLE_NUS_C_DEF(m_ble_nus_c); /**< BLE NUS service client instance. */ NRF_BLE_GATT_DEF(m_gatt); /**< GATT module instance. */ BLE_DB_DISCOVERY_DEF(m_db_disc); /**< DB discovery module instance. */ static uint16_t m_ble_nus_max_data_len = BLE_GATT_ATT_MTU_DEFAULT - OPCODE_LENGTH - HANDLE_LENGTH; /**< Maximum length of data (in bytes) that can be transmitted to the peer by the Nordic UART service module. */ /**@brief Connection parameters requested for connection. */ static ble_gap_conn_params_t const m_connection_param = { (uint16_t)MIN_CONNECTION_INTERVAL, // Minimum connection (uint16_t)MAX_CONNECTION_INTERVAL, // Maximum connection (uint16_t)SLAVE_LATENCY, // Slave latency (uint16_t)SUPERVISION_TIMEOUT // Supervision time-out }; /** @brief Parameters used when scanning. */ static ble_gap_scan_params_t const m_scan_params = { .active = 1, .interval = SCAN_INTERVAL, .window = SCAN_WINDOW, .timeout = SCAN_TIMEOUT, #if (NRF_SD_BLE_API_VERSION <= 2) .selective = 0, .p_whitelist = NULL, #endif #if (NRF_SD_BLE_API_VERSION >= 3) .use_whitelist = 0, #endif }; /**@brief NUS uuid. */ static ble_uuid_t const m_nus_uuid = { .uuid = BLE_UUID_NUS_SERVICE, .type = NUS_SERVICE_UUID_TYPE }; /**@brief 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] 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(0xDEADBEEF, line_num, p_file_name); } /**@brief Function to start scanning. */ static void scan_start(void) { ret_code_t ret; ret = sd_ble_gap_scan_start(&m_scan_params); APP_ERROR_CHECK(ret); // ret = bsp_indication_set(BSP_INDICATE_SCANNING); // APP_ERROR_CHECK(ret); } /**@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) { ble_nus_c_on_db_disc_evt(&m_ble_nus_c, p_evt); } /**@brief Function for handling characters received by the Nordic UART Service. * * @details This function takes a list of characters of length data_len and prints the characters out on UART. * If @ref ECHOBACK_BLE_UART_DATA is set, the data is sent back to sender. */ static void ble_nus_chars_received_uart_print(uint8_t * p_data, uint16_t data_len) { ret_code_t ret_val; // NRF_LOG_DEBUG("Receiving data."); // NRF_LOG_HEXDUMP_DEBUG(p_data, data_len); //float spo2; // char b[] = {p_data[9], p_data[8], p_data[7], p_data[6] }; // memcpy(&spo2, &b, sizeof(spo2)); // printf(p_data); //NRF_LOG_INFO("%X",p_data); /* NRF_LOG_INFO("Line1> %x, %x, %x, %x, %x ,%d", p_data[0], //Packet Start 0xFF p_data[1], // General error p_data[2], // Pair status p_data[3], // Battery status p_data[4], // State p_data[5] // Status ); // printime hodnoty co prisly skrz bluetooth. // NRF_LOG_INFO("Line2> %f ", spo2 // NRF_LOG_INFO("Line2> %x, %x, %x, %x, %x, %x", p_data[6], p_data[7], p_data[8], p_data[9], p_data[10], p_data[11] ); // printime hodnoty co prisly skrz bluetooth. */ for (uint32_t i = 0; i < data_len; i++) { do { ret_val = app_uart_put(p_data[i]); if ((ret_val != NRF_SUCCESS) && (ret_val != NRF_ERROR_BUSY)) { // NRF_LOG_ERROR("app_uart_put failed for index 0x%04x.", i); APP_ERROR_CHECK(ret_val); } } while (ret_val == NRF_ERROR_BUSY); } if (p_data[data_len-1] == '\r') { while (app_uart_put('\n') == NRF_ERROR_BUSY); } if (ECHOBACK_BLE_UART_DATA) { // Send data back to peripheral. do { ret_val = ble_nus_c_string_send(&m_ble_nus_c, p_data, data_len); if ((ret_val != NRF_SUCCESS) && (ret_val != NRF_ERROR_BUSY)) { // NRF_LOG_ERROR("Failed sending NUS message. Error 0x%x. ", ret_val); APP_ERROR_CHECK(ret_val); } } while (ret_val == NRF_ERROR_BUSY); } } /**@brief Function for handling app_uart events. * * @details This function will receive a single character from the app_uart module and append it to * a string. The string will be be sent over BLE when the last character received was a * 'new line' '\n' (hex 0x0A) or if the string has reached the maximum data length. */ void uart_event_handle(app_uart_evt_t * p_event) { static uint8_t data_array[BLE_NUS_MAX_DATA_LEN]; static uint16_t index = 0; uint32_t ret_val; // https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v14.2.0%2Fnrf52810_user_guide.html&cp=4_0_2_5_0 switch (p_event->evt_type) { /**@snippet [Handling data from UART] */ // int i=0; // i++; case APP_UART_DATA_READY: UNUSED_VARIABLE(app_uart_get(&data_array[index])); index++; if ((data_array[index - 1] == '\n') || (index >= (m_ble_nus_max_data_len))) { // NRF_LOG_DEBUG("Ready to send data over BLE NUS"); // NRF_LOG_HEXDUMP_DEBUG(data_array, index); do { ret_val = ble_nus_c_string_send(&m_ble_nus_c, data_array, index); if ( (ret_val != NRF_ERROR_INVALID_STATE) && (ret_val != NRF_ERROR_BUSY) ) { APP_ERROR_CHECK(ret_val); } } while (ret_val == NRF_ERROR_BUSY); index = 0; } break; /**@snippet [Handling data from UART] */ case APP_UART_COMMUNICATION_ERROR: // NRF_LOG_ERROR("Communication error occurred while handling UART."); APP_ERROR_HANDLER(p_event->data.error_communication); break; case APP_UART_FIFO_ERROR: // NRF_LOG_ERROR("Error occurred in FIFO module used by UART."); APP_ERROR_HANDLER(p_event->data.error_code); break; case APP_UART_TX_EMPTY: // An event indicating that UART has completed transmission of all available data in the TX FIFO. // NRF_LOG_ERROR("TX empty hynek."); break; default: break; } } /**@brief Callback handling NUS Client events. * * @details This function is called to notify the application of NUS client events. * * @param[in] p_ble_nus_c NUS Client Handle. This identifies the NUS client * @param[in] p_ble_nus_evt Pointer to the NUS Client event. */ /**@snippet [Handling events from the ble_nus_c module] */ static void ble_nus_c_evt_handler(ble_nus_c_t * p_ble_nus_c, ble_nus_c_evt_t const * p_ble_nus_evt) { ret_code_t err_code; switch (p_ble_nus_evt->evt_type) { case BLE_NUS_C_EVT_DISCOVERY_COMPLETE: // NRF_LOG_INFO("Discovery complete."); err_code = ble_nus_c_handles_assign(p_ble_nus_c, p_ble_nus_evt->conn_handle, &p_ble_nus_evt->handles); APP_ERROR_CHECK(err_code); err_code = ble_nus_c_tx_notif_enable(p_ble_nus_c); APP_ERROR_CHECK(err_code); // NRF_LOG_INFO("Connected to device with Nordic UART Service."); break; case BLE_NUS_C_EVT_NUS_TX_EVT: ble_nus_chars_received_uart_print(p_ble_nus_evt->p_data, p_ble_nus_evt->data_len); break; case BLE_NUS_C_EVT_DISCONNECTED: NRF_LOG_INFO("Disconnected."); scan_start(); break; default: break; } } /**@snippet [Handling events from the ble_nus_c module] */ /** * @brief Function for shutdown events. * * @param[in] event Shutdown type. */ static bool shutdown_handler(nrf_pwr_mgmt_evt_t event) { ret_code_t err_code; //err_code = bsp_indication_set(BSP_INDICATE_IDLE); //APP_ERROR_CHECK(err_code); switch (event) { case NRF_PWR_MGMT_EVT_PREPARE_WAKEUP: // Prepare wakeup buttons. //err_code = bsp_btn_ble_sleep_mode_prepare(); //APP_ERROR_CHECK(err_code); break; default: break; } return true; } NRF_PWR_MGMT_HANDLER_REGISTER(shutdown_handler, APP_SHUTDOWN_HANDLER_PRIORITY); /**@brief Reads an advertising report and checks if a UUID is present in the service list. * * @details The function is able to search for 16-bit, 32-bit and 128-bit service UUIDs. * To see the format of a advertisement packet, see * https://www.bluetooth.org/Technical/AssignedNumbers/generic_access_profile.htm * * @param[in] p_target_uuid The UUID to search for. * @param[in] p_adv_report Pointer to the advertisement report. * * @retval true if the UUID is present in the advertisement report. Otherwise false */ static bool is_uuid_present(ble_uuid_t const * p_target_uuid, ble_gap_evt_adv_report_t const * p_adv_report) { ret_code_t err_code; ble_uuid_t extracted_uuid; uint16_t index = 0; uint8_t * p_data = (uint8_t *)p_adv_report->data; while (index < p_adv_report->dlen) { uint8_t field_length = p_data[index]; uint8_t field_type = p_data[index + 1]; if ( (field_type == BLE_GAP_AD_TYPE_16BIT_SERVICE_UUID_MORE_AVAILABLE) || (field_type == BLE_GAP_AD_TYPE_16BIT_SERVICE_UUID_COMPLETE)) { for (uint32_t i = 0; i < (field_length / UUID16_SIZE); i++) { err_code = sd_ble_uuid_decode(UUID16_SIZE, &p_data[i * UUID16_SIZE + index + 2], &extracted_uuid); if (err_code == NRF_SUCCESS) { if (extracted_uuid.uuid == p_target_uuid->uuid) { return true; } } } } else if ( (field_type == BLE_GAP_AD_TYPE_32BIT_SERVICE_UUID_MORE_AVAILABLE) || (field_type == BLE_GAP_AD_TYPE_32BIT_SERVICE_UUID_COMPLETE)) { for (uint32_t i = 0; i < (field_length / UUID32_SIZE); i++) { err_code = sd_ble_uuid_decode(UUID32_SIZE, &p_data[i * UUID32_SIZE + index + 2], &extracted_uuid); if (err_code == NRF_SUCCESS) { if ( (extracted_uuid.uuid == p_target_uuid->uuid) && (extracted_uuid.type == p_target_uuid->type)) { return true; } } } } else if ( (field_type == BLE_GAP_AD_TYPE_128BIT_SERVICE_UUID_MORE_AVAILABLE) || (field_type == BLE_GAP_AD_TYPE_128BIT_SERVICE_UUID_COMPLETE)) { err_code = sd_ble_uuid_decode(UUID128_SIZE, &p_data[index + 2], &extracted_uuid); if (err_code == NRF_SUCCESS) { if ( (extracted_uuid.uuid == p_target_uuid->uuid) && (extracted_uuid.type == p_target_uuid->type)) { return true; } } } index += field_length + 1; } return false; } /**@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; ble_gap_evt_t const * p_gap_evt = &p_ble_evt->evt.gap_evt; switch (p_ble_evt->header.evt_id) { case BLE_GAP_EVT_ADV_REPORT: { ble_gap_evt_adv_report_t const * p_adv_report = &p_gap_evt->params.adv_report; if (is_uuid_present(&m_nus_uuid, p_adv_report)) { err_code = sd_ble_gap_connect(&p_adv_report->peer_addr, &m_scan_params, &m_connection_param, APP_BLE_CONN_CFG_TAG); if (err_code == NRF_SUCCESS) { // scan is automatically stopped by the connect //err_code = bsp_indication_set(BSP_INDICATE_IDLE); //APP_ERROR_CHECK(err_code); /*NRF_LOG_INFO("Connecting to target %02x%02x%02x%02x%02x%02x", p_adv_report->peer_addr.addr[0], p_adv_report->peer_addr.addr[1], p_adv_report->peer_addr.addr[2], p_adv_report->peer_addr.addr[3], p_adv_report->peer_addr.addr[4], p_adv_report->peer_addr.addr[5] );*/ } } }break; // BLE_GAP_EVT_ADV_REPORT case BLE_GAP_EVT_CONNECTED: // NRF_LOG_INFO("Connected to target"); err_code = ble_nus_c_handles_assign(&m_ble_nus_c, p_ble_evt->evt.gap_evt.conn_handle, NULL); APP_ERROR_CHECK(err_code); // err_code = bsp_indication_set(BSP_INDICATE_CONNECTED); // APP_ERROR_CHECK(err_code); // start discovery of services. The NUS Client waits for a discovery result err_code = ble_db_discovery_start(&m_db_disc, p_ble_evt->evt.gap_evt.conn_handle); APP_ERROR_CHECK(err_code); break; case BLE_GAP_EVT_TIMEOUT: if (p_gap_evt->params.timeout.src == BLE_GAP_TIMEOUT_SRC_SCAN) { // NRF_LOG_INFO("Scan timed out."); scan_start(); } else if (p_gap_evt->params.timeout.src == BLE_GAP_TIMEOUT_SRC_CONN) { //NRF_LOG_INFO("Connection Request timed out."); } break; case BLE_GAP_EVT_SEC_PARAMS_REQUEST: // Pairing not supported err_code = sd_ble_gap_sec_params_reply(p_ble_evt->evt.gap_evt.conn_handle, BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP, NULL, NULL); APP_ERROR_CHECK(err_code); break; case BLE_GAP_EVT_CONN_PARAM_UPDATE_REQUEST: // Accepting parameters requested by peer. err_code = sd_ble_gap_conn_param_update(p_gap_evt->conn_handle, &p_gap_evt->params.conn_param_update_request.conn_params); APP_ERROR_CHECK(err_code); break; #ifndef S140 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; #endif 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; default: 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 handling events from the GATT library. */ void gatt_evt_handler(nrf_ble_gatt_t * p_gatt, nrf_ble_gatt_evt_t const * p_evt) { if (p_evt->evt_id == NRF_BLE_GATT_EVT_ATT_MTU_UPDATED) { //NRF_LOG_INFO("ATT MTU exchange completed."); m_ble_nus_max_data_len = p_evt->params.att_mtu_effective - OPCODE_LENGTH - HANDLE_LENGTH; //NRF_LOG_INFO("Ble NUS max data length set to 0x%X(%d)", m_ble_nus_max_data_len, m_ble_nus_max_data_len); } } /**@brief Function for initializing the GATT library. */ void gatt_init(void) { ret_code_t err_code; err_code = nrf_ble_gatt_init(&m_gatt, gatt_evt_handler); APP_ERROR_CHECK(err_code); err_code = nrf_ble_gatt_att_mtu_central_set(&m_gatt, NRF_SDH_BLE_GATT_MAX_MTU_SIZE); APP_ERROR_CHECK(err_code); } /**@brief Function for handling events from the BSP module. * * @param[in] event Event generated by button press. */ void bsp_event_handler(bsp_event_t event) { ret_code_t err_code; switch (event) { case BSP_EVENT_SLEEP: nrf_pwr_mgmt_shutdown(NRF_PWR_MGMT_SHUTDOWN_GOTO_SYSOFF); break; case BSP_EVENT_DISCONNECT: err_code = sd_ble_gap_disconnect(m_ble_nus_c.conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); if (err_code != NRF_ERROR_INVALID_STATE) { APP_ERROR_CHECK(err_code); } break; default: break; } } #define UART_HWFC APP_UART_FLOW_CONTROL_DISABLED /**@brief Function for initializing the UART. */ static void uart_init(void) { ret_code_t err_code; const app_uart_comm_params_t comm_params = { 20, //RX_PIN_NUMBER, 18, //TX_PIN_NUMBER, RTS_PIN_NUMBER, CTS_PIN_NUMBER, UART_HWFC, false, NRF_UART_BAUDRATE_115200 }; APP_UART_FIFO_INIT(&comm_params, UART_RX_BUF_SIZE, UART_TX_BUF_SIZE, uart_event_handle, APP_IRQ_PRIORITY_LOWEST, err_code); APP_ERROR_CHECK(err_code); } /**@brief Function for initializing the NUS Client. */ static void nus_c_init(void) { ret_code_t err_code; ble_nus_c_init_t init; init.evt_handler = ble_nus_c_evt_handler; err_code = ble_nus_c_init(&m_ble_nus_c, &init); APP_ERROR_CHECK(err_code); } /**@brief Function for initializing buttons and leds. */ static void buttons_leds_init(void) { ret_code_t err_code; bsp_event_t startup_event; err_code = bsp_init(BSP_INIT_LED, bsp_event_handler); APP_ERROR_CHECK(err_code); err_code = bsp_btn_ble_init(NULL, &startup_event); APP_ERROR_CHECK(err_code); } /**@brief Function for initializing the timer. */ static void timer_init(void) { ret_code_t err_code = app_timer_init(); 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 the Power manager. */ static void power_init(void) { ret_code_t err_code = nrf_pwr_mgmt_init(); APP_ERROR_CHECK(err_code); } /** @brief Function for initializing the Database Discovery Module. */ static void db_discovery_init(void) { ret_code_t err_code = ble_db_discovery_init(db_disc_handler); APP_ERROR_CHECK(err_code); } #define WHITELIST_PEERS 1 const ble_gap_addr_t const m_peripheral_addr = { .addr_type = BLE_GAP_ADDR_TYPE_RANDOM_STATIC, .addr = {0xCE, 0x42, 0xBB, 0xD5, 0x91, 0x12} }; ble_gap_addr_t const * addr_ptrs[WHITELIST_PEERS]; int main(void) { log_init(); timer_init(); power_init(); uart_init(); // buttons_leds_init(); db_discovery_init(); ble_stack_init(); gatt_init(); nus_c_init(); // addr_ptrs[0] = &m_peripheral_addr; // uint32_t err_code = sd_ble_gap_whitelist_set(addr_ptrs, 1); //ERRATA Hynek https://devzone.nordicsemi.com/f/nordic-q-a/75020/use-of-whitelist // APP_ERROR_CHECK(err_code); // Start scanning for peripherals and initiate connection // with devices that advertise NUS UUID. //printf("BLE UART central1 example started.\r\n"); // NRF_LOG_INFO("BLE UART central2 example started."); scan_start(); ret_code_t err_code; err_code = app_uart_put('A'); APP_ERROR_CHECK(err_code); printf("\r\nStart: \r\n"); for (;;) { // err_code = app_uart_put('A'); // APP_ERROR_CHECK(err_code); // nrf_delay_ms(500); if (NRF_LOG_PROCESS() == false) { nrf_pwr_mgmt_run(); } } }