/* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved. * * The information contained herein is property of Nordic Semiconductor ASA. * Terms and conditions of usage are described in detail in NORDIC * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT. * * Licensees are granted free, non-transferable use of the information. NO * WARRANTY of ANY KIND is provided. This heading must NOT be removed from * the file. * */ /** @file * * @defgroup ble_sdk_app_beacon_main main.c * @{ * @ingroup ble_sdk_app_beacon * @brief Beacon Transmitter Sample Application main file. * * This file contains the source code for an Beacon transmitter sample application. */ #include #include #include #include #include #include #include #include #include #include #include #include #include "bsp/bsp.h" #define IS_SRVC_CHANGED_CHARACT_PRESENT 0 /**< Include or not the service_changed characteristic. if not enabled, the server's database cannot be changed for the lifetime of the device*/ #define APP_CFG_NON_CONN_ADV_TIMEOUT 0 /**< Time for which the device must be advertising in non-connectable mode (in seconds). 0 disables timeout. */ #define NON_CONNECTABLE_ADV_INTERVAL MSEC_TO_UNITS(100, UNIT_0_625_MS) /**< The advertising interval for non-connectable advertisement (100 ms). This value can vary between 100ms to 10.24s). */ #define APP_BEACON_INFO_LENGTH 0x17 /**< Total length of information advertised by the Beacon. */ #define APP_ADV_DATA_LENGTH 0x15 /**< Length of manufacturer specific data in the advertisement. */ #define APP_DEVICE_TYPE 0x02 /**< 0x02 refers to Beacon. */ #define APP_MEASURED_RSSI 0xC3 /**< The Beacon's measured RSSI at 1 meter distance in dBm. */ #define APP_COMPANY_IDENTIFIER 0x0059 /**< Company identifier for Nordic Semiconductor ASA. as per www.bluetooth.org. */ #define APP_MAJOR_VALUE 0x01, 0x02 /**< Major value used to identify Beacons. */ #define APP_MINOR_VALUE 0x03, 0x04 /**< Minor value used to identify Beacons. */ #define APP_BEACON_UUID 0x01, 0x12, 0x23, 0x34, \ 0x45, 0x56, 0x67, 0x78, \ 0x89, 0x9a, 0xab, 0xbc, \ 0xcd, 0xde, 0xef, 0xf0 /**< Proprietary UUID for Beacon. */ #define DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */ #define APP_TIMER_PRESCALER 0 /**< Value of the RTC1 PRESCALER register. */ #define APP_TIMER_MAX_TIMERS (2+BSP_APP_TIMERS_NUMBER) /**< Maximum number of simultaneously created timers. */ #define APP_TIMER_OP_QUEUE_SIZE 4 /**< Size of timer operation queues. */ #if defined(USE_UICR_FOR_MAJ_MIN_VALUES) #define MAJ_VAL_OFFSET_IN_BEACON_INFO 18 /**< Position of the MSB of the Major Value in m_beacon_info array. */ #define UICR_ADDRESS 0x10001080 /**< Address of the UICR register used by this example. The major and minor versions to be encoded into the advertising data will be picked up from this location. */ #endif static ble_gap_adv_params_t m_adv_params; /**< Parameters to be passed to the stack when starting advertising. */ static uint8_t m_beacon_info[APP_BEACON_INFO_LENGTH] = /**< Information advertised by the Beacon. */ { APP_DEVICE_TYPE, // Manufacturer specific information. Specifies the device type in this // implementation. APP_ADV_DATA_LENGTH, // Manufacturer specific information. Specifies the length of the // manufacturer specific data in this implementation. APP_BEACON_UUID, // 128 bit UUID value. APP_MAJOR_VALUE, // Major arbitrary value that can be used to distinguish between Beacons. APP_MINOR_VALUE, // Minor arbitrary value that can be used to distinguish between Beacons. APP_MEASURED_RSSI // Manufacturer specific information. The Beacon's measured TX power in // this implementation. }; /**@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 initializing the Advertising functionality. * * @details Encodes the required advertising data and passes it to the stack. * Also builds a structure to be passed to the stack when starting advertising. */ static void advertising_init(void) { uint32_t err_code; ble_advdata_t advdata; uint8_t flags = BLE_GAP_ADV_FLAG_BR_EDR_NOT_SUPPORTED; ble_advdata_manuf_data_t manuf_specific_data; manuf_specific_data.company_identifier = APP_COMPANY_IDENTIFIER; #if defined(USE_UICR_FOR_MAJ_MIN_VALUES) // If USE_UICR_FOR_MAJ_MIN_VALUES is defined, the major and minor values will be read from the // UICR instead of using the default values. The major and minor values obtained from the UICR // are encoded into advertising data in big endian order (MSB First). // To set the UICR used by this example to a desired value, write to the address 0x10001080 // using the nrfjprog tool. The command to be used is as follows. // nrfjprog --snr --memwr 0x10001080 --val // For example, for a major value and minor value of 0xabcd and 0x0102 respectively, the // the following command should be used. // nrfjprog --snr --memwr 0x10001080 --val 0xabcd0102 uint16_t major_value = ((*(uint32_t *)UICR_ADDRESS) & 0xFFFF0000) >> 16; uint16_t minor_value = ((*(uint32_t *)UICR_ADDRESS) & 0x0000FFFF); uint8_t index = MAJ_VAL_OFFSET_IN_BEACON_INFO; m_beacon_info[index++] = MSB(major_value); m_beacon_info[index++] = LSB(major_value); m_beacon_info[index++] = MSB(minor_value); m_beacon_info[index++] = LSB(minor_value); #endif manuf_specific_data.data.p_data = (uint8_t *) m_beacon_info; manuf_specific_data.data.size = APP_BEACON_INFO_LENGTH; // Build and set advertising data. memset(&advdata, 0, sizeof(advdata)); advdata.name_type = BLE_ADVDATA_NO_NAME; advdata.flags = flags; advdata.p_manuf_specific_data = &manuf_specific_data; err_code = ble_advdata_set(&advdata, NULL); APP_ERROR_CHECK(err_code); // Initialize advertising parameters (used when starting advertising). memset(&m_adv_params, 0, sizeof(m_adv_params)); m_adv_params.type = BLE_GAP_ADV_TYPE_ADV_NONCONN_IND; m_adv_params.p_peer_addr = NULL; // Undirected advertisement. m_adv_params.fp = BLE_GAP_ADV_FP_ANY; m_adv_params.interval = NON_CONNECTABLE_ADV_INTERVAL; m_adv_params.timeout = APP_CFG_NON_CONN_ADV_TIMEOUT; } /**@brief Function for starting advertising. */ static void advertising_start(void) { uint32_t err_code; err_code = sd_ble_gap_adv_start(&m_adv_params); APP_ERROR_CHECK(err_code); err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING); APP_ERROR_CHECK(err_code); } /**@brief Function for initializing the BLE stack. * * @details Initializes the SoftDevice and the BLE event interrupt. */ static void ble_stack_init(void) { // Initialize the SoftDevice handler module. SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, NULL); // Enable BLE stack uint32_t err_code; ble_enable_params_t ble_enable_params; memset(&ble_enable_params, 0, sizeof(ble_enable_params)); #ifdef S130 ble_enable_params.gatts_enable_params.attr_tab_size = BLE_GATTS_ATTR_TAB_SIZE_DEFAULT; #endif ble_enable_params.gatts_enable_params.service_changed = IS_SRVC_CHANGED_CHARACT_PRESENT; err_code = sd_ble_enable(&ble_enable_params); APP_ERROR_CHECK(err_code); } /**@brief Function for doing power management. */ static void power_manage(void) { uint32_t err_code = sd_app_evt_wait(); APP_ERROR_CHECK(err_code); } static void sleep_mode_enter(void) { uint32_t err_code = bsp_indication_set(BSP_INDICATE_IDLE); APP_ERROR_CHECK(err_code); bsp_wakeup_buttons_set(BSP_BUTTON_0_MASK); // 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); } static void bsp_event_handler(bsp_event_t event) { switch (event) { case BSP_EVENT_SLEEP: sleep_mode_enter(); break; case BSP_EVENT_KEY_0: // do somehting break; default: break; } } /** * @brief Function for application main entry. */ int main(void) { uint32_t err_code; // Initialize. APP_TIMER_INIT(APP_TIMER_PRESCALER, APP_TIMER_MAX_TIMERS, APP_TIMER_OP_QUEUE_SIZE, false); err_code = bsp_init(BSP_INIT_LED | BSP_INIT_BUTTONS, APP_TIMER_TICKS(100, APP_TIMER_PRESCALER), bsp_event_handler); APP_ERROR_CHECK(err_code); bsp_event_to_button_action_assign(BSP_BUTTON_0,BSP_BUTTON_ACTION_PUSH,BSP_EVENT_KEY_0); ble_stack_init(); advertising_init(); // Start execution. advertising_start(); // Enter main loop. for (;; ) { power_manage(); } } /** * @} */