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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/examples/ble_peripheral/ble_app_uart/main.c')
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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/ble_peripheral/ble_app_uart/main.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/ble_peripheral/ble_app_uart/main.c new file mode 100644 index 0000000..16ab0a1 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/ble_peripheral/ble_app_uart/main.c @@ -0,0 +1,721 @@ +/** + * 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_uart_over_ble_main main.c + * @{ + * @ingroup ble_sdk_app_nus_eval + * @brief UART over BLE application main file. + * + * This file contains the source code for a sample application that uses the Nordic UART service. + * This application uses the @ref srvlib_conn_params module. + */ + + +#include <stdint.h> +#include <string.h> +#include "nordic_common.h" +#include "nrf.h" +#include "ble_hci.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 "nrf_ble_gatt.h" +#include "nrf_ble_qwr.h" +#include "app_timer.h" +#include "ble_nus.h" +#include "app_uart.h" +#include "app_util_platform.h" +#include "bsp_btn_ble.h" +#include "nrf_pwr_mgmt.h" + +#if defined (UART_PRESENT) +#include "nrf_uart.h" +#endif +#if defined (UARTE_PRESENT) +#include "nrf_uarte.h" +#endif + +#include "nrf_log.h" +#include "nrf_log_ctrl.h" +#include "nrf_log_default_backends.h" + +#define APP_BLE_CONN_CFG_TAG 1 /**< A tag identifying the SoftDevice BLE configuration. */ + +#define DEVICE_NAME "Nordic_UART" /**< Name of device. Will be included in the advertising data. */ +#define NUS_SERVICE_UUID_TYPE BLE_UUID_TYPE_VENDOR_BEGIN /**< UUID type for the Nordic UART Service (vendor specific). */ + +#define APP_BLE_OBSERVER_PRIO 3 /**< Application's BLE observer priority. You shouldn't need to modify this value. */ + +#define APP_ADV_INTERVAL 64 /**< The advertising interval (in units of 0.625 ms. This value corresponds to 40 ms). */ + +#define APP_ADV_DURATION 18000 /**< The advertising duration (180 seconds) in units of 10 milliseconds. */ + +#define MIN_CONN_INTERVAL MSEC_TO_UNITS(20, UNIT_1_25_MS) /**< Minimum acceptable connection interval (20 ms), Connection interval uses 1.25 ms units. */ +#define MAX_CONN_INTERVAL MSEC_TO_UNITS(75, UNIT_1_25_MS) /**< Maximum acceptable connection interval (75 ms), Connection interval uses 1.25 ms units. */ +#define SLAVE_LATENCY 0 /**< Slave latency. */ +#define CONN_SUP_TIMEOUT MSEC_TO_UNITS(4000, UNIT_10_MS) /**< Connection supervisory timeout (4 seconds), Supervision Timeout uses 10 ms units. */ +#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 DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */ + +#define UART_TX_BUF_SIZE 256 /**< UART TX buffer size. */ +#define UART_RX_BUF_SIZE 256 /**< UART RX buffer size. */ + + +BLE_NUS_DEF(m_nus, NRF_SDH_BLE_TOTAL_LINK_COUNT); /**< BLE NUS service instance. */ +NRF_BLE_GATT_DEF(m_gatt); /**< GATT module instance. */ +NRF_BLE_QWR_DEF(m_qwr); /**< Context for the Queued Write module.*/ +BLE_ADVERTISING_DEF(m_advertising); /**< Advertising module instance. */ + +static uint16_t m_conn_handle = BLE_CONN_HANDLE_INVALID; /**< Handle of the current connection. */ +static uint16_t m_ble_nus_max_data_len = BLE_GATT_ATT_MTU_DEFAULT - 3; /**< Maximum length of data (in bytes) that can be transmitted to the peer by the Nordic UART service module. */ +static ble_uuid_t m_adv_uuids[] = /**< Universally unique service identifier. */ +{ + {BLE_UUID_NUS_SERVICE, NUS_SERVICE_UUID_TYPE} +}; + + +/**@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 analyse + * 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 initializing the timer module. + */ +static void timers_init(void) +{ + ret_code_t err_code = app_timer_init(); + APP_ERROR_CHECK(err_code); +} + +/**@brief Function for the GAP initialization. + * + * @details This function will set up all the necessary GAP (Generic Access Profile) parameters of + * the device. It also sets the permissions and appearance. + */ +static void gap_params_init(void) +{ + uint32_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 = 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 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 data from the Nordic UART Service. + * + * @details This function will process the data received from the Nordic UART BLE Service and send + * it to the UART module. + * + * @param[in] p_evt Nordic UART Service event. + */ +/**@snippet [Handling the data received over BLE] */ +static void nus_data_handler(ble_nus_evt_t * p_evt) +{ + + if (p_evt->type == BLE_NUS_EVT_RX_DATA) + { + uint32_t err_code; + + NRF_LOG_DEBUG("Received data from BLE NUS. Writing data on UART."); + NRF_LOG_HEXDUMP_DEBUG(p_evt->params.rx_data.p_data, p_evt->params.rx_data.length); + + for (uint32_t i = 0; i < p_evt->params.rx_data.length; i++) + { + do + { + err_code = app_uart_put(p_evt->params.rx_data.p_data[i]); + if ((err_code != NRF_SUCCESS) && (err_code != NRF_ERROR_BUSY)) + { + NRF_LOG_ERROR("Failed receiving NUS message. Error 0x%x. ", err_code); + APP_ERROR_CHECK(err_code); + } + } while (err_code == NRF_ERROR_BUSY); + } + if (p_evt->params.rx_data.p_data[p_evt->params.rx_data.length - 1] == '\r') + { + while (app_uart_put('\n') == NRF_ERROR_BUSY); + } + } + +} +/**@snippet [Handling the data received over BLE] */ + + +/**@brief Function for initializing services that will be used by the application. + */ +static void services_init(void) +{ + uint32_t err_code; + ble_nus_init_t nus_init; + 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 NUS. + memset(&nus_init, 0, sizeof(nus_init)); + + nus_init.data_handler = nus_data_handler; + + err_code = ble_nus_init(&m_nus, &nus_init); + APP_ERROR_CHECK(err_code); +} + + +/**@brief Function for handling an event from 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) +{ + uint32_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 errors from the Connection Parameters module. + * + * @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) +{ + uint32_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 putting the chip into sleep mode. + * + * @note This function will not return. + */ +static void sleep_mode_enter(void) +{ + uint32_t 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) +{ + uint32_t err_code; + + switch (ble_adv_evt) + { + case BLE_ADV_EVT_FAST: + 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) +{ + uint32_t err_code; + + switch (p_ble_evt->header.evt_id) + { + 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; + err_code = nrf_ble_qwr_conn_handle_assign(&m_qwr, m_conn_handle); + APP_ERROR_CHECK(err_code); + break; + + case BLE_GAP_EVT_DISCONNECTED: + NRF_LOG_INFO("Disconnected"); + // LED indication will be changed when advertising starts. + m_conn_handle = BLE_CONN_HANDLE_INVALID; + 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_GAP_EVT_SEC_PARAMS_REQUEST: + // Pairing not supported + err_code = sd_ble_gap_sec_params_reply(m_conn_handle, BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP, NULL, 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; + + case BLE_GATTC_EVT_TIMEOUT: + // Disconnect on GATT Client timeout event. + 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. + 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 the SoftDevice initialization. + * + * @details This function 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 ((m_conn_handle == p_evt->conn_handle) && (p_evt->evt_id == NRF_BLE_GATT_EVT_ATT_MTU_UPDATED)) + { + m_ble_nus_max_data_len = p_evt->params.att_mtu_effective - OPCODE_LENGTH - HANDLE_LENGTH; + NRF_LOG_INFO("Data len is set to 0x%X(%d)", m_ble_nus_max_data_len, m_ble_nus_max_data_len); + } + NRF_LOG_DEBUG("ATT MTU exchange completed. central 0x%x peripheral 0x%x", + p_gatt->att_mtu_desired_central, + p_gatt->att_mtu_desired_periph); +} + + +/**@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_periph_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) +{ + uint32_t err_code; + switch (event) + { + case BSP_EVENT_SLEEP: + sleep_mode_enter(); + break; + + 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; + + 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; + + default: + break; + } +} + + +/**@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. + */ +/**@snippet [Handling the data received over UART] */ +void uart_event_handle(app_uart_evt_t * p_event) +{ + static uint8_t data_array[BLE_NUS_MAX_DATA_LEN]; + static uint8_t index = 0; + uint32_t err_code; + + switch (p_event->evt_type) + { + 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 + { + uint16_t length = (uint16_t)index; + err_code = ble_nus_data_send(&m_nus, data_array, &length, m_conn_handle); + if ( (err_code != NRF_ERROR_INVALID_STATE) && (err_code != NRF_ERROR_BUSY) && + (err_code != NRF_ERROR_NOT_FOUND) ) + { + APP_ERROR_CHECK(err_code); + } + } while (err_code == NRF_ERROR_BUSY); + + index = 0; + } + break; + + case APP_UART_COMMUNICATION_ERROR: + APP_ERROR_HANDLER(p_event->data.error_communication); + break; + + case APP_UART_FIFO_ERROR: + APP_ERROR_HANDLER(p_event->data.error_code); + break; + + default: + break; + } +} +/**@snippet [Handling the data received over UART] */ + + +/**@brief Function for initializing the UART module. + */ +/**@snippet [UART Initialization] */ +static void uart_init(void) +{ + uint32_t err_code; + app_uart_comm_params_t const comm_params = + { + .rx_pin_no = RX_PIN_NUMBER, + .tx_pin_no = TX_PIN_NUMBER, + .rts_pin_no = RTS_PIN_NUMBER, + .cts_pin_no = CTS_PIN_NUMBER, + .flow_control = APP_UART_FLOW_CONTROL_DISABLED, + .use_parity = false, +#if defined (UART_PRESENT) + .baud_rate = NRF_UART_BAUDRATE_115200 +#else + .baud_rate = NRF_UARTE_BAUDRATE_115200 +#endif + }; + + 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); +} +/**@snippet [UART Initialization] */ + + +/**@brief Function for initializing the Advertising functionality. + */ +static void advertising_init(void) +{ + uint32_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 = false; + init.advdata.flags = BLE_GAP_ADV_FLAGS_LE_ONLY_LIMITED_DISC_MODE; + + init.srdata.uuids_complete.uuid_cnt = sizeof(m_adv_uuids) / sizeof(m_adv_uuids[0]); + init.srdata.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) +{ + bsp_event_t startup_event; + + uint32_t err_code = bsp_init(BSP_INIT_LEDS | 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) +{ + UNUSED_RETURN_VALUE(NRF_LOG_PROCESS()); + nrf_pwr_mgmt_run(); +} + + +/**@brief Function for starting advertising. + */ +static void advertising_start(void) +{ + uint32_t err_code = ble_advertising_start(&m_advertising, BLE_ADV_MODE_FAST); + APP_ERROR_CHECK(err_code); +} + + +/**@brief Application main function. + */ +int main(void) +{ + bool erase_bonds; + + // Initialize. + uart_init(); + 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(); + + // Start execution. + printf("\r\nUART started.\r\n"); + NRF_LOG_INFO("Debug logging for UART over RTT started."); + advertising_start(); + + // Enter main loop. + for (;;) + { + idle_state_handle(); + } +} + + +/** + * @} + */ |