/* Copyright (c) 2012 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.

*

*/

// Board/nrf6310/ble/ble_app_hrs/main.c

/** @example Board/nrf6310/ble/ble_app_hrs/main.c

*

* @brief Heart Rate Service Sample Application main file.

*

* This file contains the source code for a sample application using the Heart Rate service

* (and also Battery and Device Information services). This application uses the

* @ref srvlib_conn_params module.

*/

#include <stdint.h>

#include <string.h>

#include "nordic_common.h"

#include "nrf.h"

#include "app_error.h"

#include "nrf_gpio.h"

#include "nrf51_bitfields.h"

#include "ble.h"

#include "ble_hci.h"

#include "ble_srv_common.h"

#include "ble_advdata.h"

#include "ble_bas.h"

#include "ble_hrs_longChar_VLOC_USER.h"

#include "ble_dis.h"

#include "ble_dfu.h"

#include "dfu_app_handler.h"

#include "ble_conn_params.h"

#include "boards.h"

#include "ble_sensorsim.h"

#include "softdevice_handler.h"

#include "app_timer.h"

#include "ble_error_log.h"

#include "device_manager.h"

#include "ble_debug_assert_handler.h"

#include "pstorage.h"

#include "app_trace.h"

#include "simple_uart.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 WAKEUP_BUTTON_PIN BUTTON_0 /**< Button used to wake up the application. */

#define BOND_DELETE_ALL_BUTTON_ID BUTTON_1 /**< Button used for deleting all bonded centrals during startup. */

#define ADVERTISING_LED_PIN_NO LED_0 /**< Is on when device is advertising. */

#define CONNECTED_LED_PIN_NO LED_1 /**< Is on when device has connected. */

#define ASSERT_LED_PIN_NO LED_7 /**< Is on when application has asserted. */

#define DEVICE_NAME "Nordic_HRM" /**< Name of device. Will be included in the advertising data. */

#define MANUFACTURER_NAME "NordicSemiconductor" /**< Manufacturer. Will be passed to Device Information Service. */

#define APP_ADV_INTERVAL 40 /**< The advertising interval (in units of 0.625 ms. This value corresponds to 25 ms). */

#define APP_ADV_TIMEOUT_IN_SECONDS 180 /**< The advertising timeout in units of seconds. */

#define APP_TIMER_PRESCALER 0 /**< Value of the RTC1 PRESCALER register. */

#define APP_TIMER_MAX_TIMERS 6 /**< Maximum number of simultaneously created timers. */

#define APP_TIMER_OP_QUEUE_SIZE 4 /**< Size of timer operation queues. */

#define BATTERY_LEVEL_MEAS_INTERVAL APP_TIMER_TICKS(2000, APP_TIMER_PRESCALER) /**< Battery level measurement interval (ticks). */

#define MIN_BATTERY_LEVEL 81 /**< Minimum simulated battery level. */

#define MAX_BATTERY_LEVEL 100 /**< Maximum simulated battery level. */

#define BATTERY_LEVEL_INCREMENT 1 /**< Increment between each simulated battery level measurement. */

#define HEART_RATE_MEAS_INTERVAL APP_TIMER_TICKS(1000, APP_TIMER_PRESCALER) /**< Heart rate measurement interval (ticks). */

#define MIN_HEART_RATE 140 /**< Minimum heart rate as returned by the simulated measurement function. */

#define MAX_HEART_RATE 300 /**< Maximum heart rate as returned by the simulated measurement function. */

#define HEART_RATE_INCREMENT 10 /**< Value by which the heart rate is incremented/decremented for each call to the simulated measurement function. */

#define RR_INTERVAL_INTERVAL APP_TIMER_TICKS(300, APP_TIMER_PRESCALER) /**< RR interval interval (ticks). */

#define MIN_RR_INTERVAL 100 /**< Minimum RR interval as returned by the simulated measurement function. */

#define MAX_RR_INTERVAL 500 /**< Maximum RR interval as returned by the simulated measurement function. */

#define RR_INTERVAL_INCREMENT 1 /**< Value by which the RR interval is incremented/decremented for each call to the simulated measurement function. */

#define SENSOR_CONTACT_DETECTED_INTERVAL APP_TIMER_TICKS(5000, APP_TIMER_PRESCALER) /**< Sensor Contact Detected toggle interval (ticks). */

#define MIN_CONN_INTERVAL MSEC_TO_UNITS(500, UNIT_1_25_MS) /**< Minimum acceptable connection interval (0.5 seconds). */

#define MAX_CONN_INTERVAL MSEC_TO_UNITS(1000, UNIT_1_25_MS) /**< Maximum acceptable connection interval (1 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, APP_TIMER_PRESCALER) /**< 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, APP_TIMER_PRESCALER)/**< 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_TIMEOUT 30 /**< Timeout for Pairing Request or Security Request (in seconds). */

#define SEC_PARAM_BOND 1 /**< Perform bonding. */

#define SEC_PARAM_MITM 0 /**< Man In The Middle protection not required. */

#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 uint8_t queued_write_buffer[QUEUED_WRITE_BUFFER_SIZE];

static ble_user_mem_block_t mem_block;

static uint16_t m_conn_handle = BLE_CONN_HANDLE_INVALID; /**< Handle of the current connection. */

static ble_gap_adv_params_t m_adv_params; /**< Parameters to be passed to the stack when starting advertising. */

static ble_bas_t m_bas; /**< Structure used to identify the battery service. */

static ble_hrs_t m_hrs; /**< Structure used to identify the heart rate service. */

static bool m_rr_interval_enabled = true; /**< Flag for enabling and disabling the registration of new RR interval measurements (the purpose of disabling this is just to test sending HRM without RR interval data. */

static ble_sensorsim_cfg_t m_battery_sim_cfg; /**< Battery Level sensor simulator configuration. */

static ble_sensorsim_state_t m_battery_sim_state; /**< Battery Level sensor simulator state. */

static ble_sensorsim_cfg_t m_heart_rate_sim_cfg; /**< Heart Rate sensor simulator configuration. */

static ble_sensorsim_state_t m_heart_rate_sim_state; /**< Heart Rate sensor simulator state. */

static ble_sensorsim_cfg_t m_rr_interval_sim_cfg; /**< RR Interval sensor simulator configuration. */

static ble_sensorsim_state_t m_rr_interval_sim_state; /**< RR Interval sensor simulator state. */

static app_timer_id_t m_battery_timer_id; /**< Battery timer. */

static app_timer_id_t m_heart_rate_timer_id; /**< Heart rate measurement timer. */

static app_timer_id_t m_rr_interval_timer_id; /**< RR interval timer. */

static app_timer_id_t m_sensor_contact_timer_id; /**< Sensor contact detected timer. */

static dm_application_instance_t m_app_handle; /**< Application identifier allocated by device manager */

static bool m_memory_access_in_progress = false; /**< Flag to keep track of ongoing operations on persistent memory. */

#ifdef BLE_DFU_APP_SUPPORT

static ble_dfu_t m_dfus; /**< Structure used to identify the DFU service. */

#endif // BLE_DFU_APP_SUPPORT

#if 0

/**@brief Function for error handling, which is called when an error has occurred.

*

* @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 error.

*

* @param[in] error_code Error code supplied to the handler.

* @param[in] line_num Line number where the handler is called.

* @param[in] p_file_name Pointer to the file name.

*/

void app_error_handler(uint32_t error_code, uint32_t line_num, const uint8_t * p_file_name)

{

nrf_gpio_pin_set(ASSERT_LED_PIN_NO);

// This call can be used for debug purposes during application development.

// @note CAUTION: Activating this code will write the stack to flash on an error.

// This function should NOT be used in a final product.

// It is intended STRICTLY for development/debugging purposes.

// The flash write will happen EVEN if the radio is active, thus interrupting

// any communication.

// Use with care. Uncomment the line below to use.

// ble_debug_assert_handler(error_code, line_num, p_file_name);

// On assert, the system can only recover with a reset.

NVIC_SystemReset();

}

#else

#include "app_util_platform.h"

//uint32_t m_error_code;

//uint32_t m_line_num;

//const uint8_t *m_p_file_name;

void app_error_handler(uint32_t error_code, uint32_t line_num, const uint8_t * p_file_name)

{

// disable INTs

CRITICAL_REGION_ENTER();

/* Light a LED on error or warning. */

nrf_gpio_cfg_output(SER_CONN_ASSERT_LED_PIN);

nrf_gpio_pin_set(SER_CONN_ASSERT_LED_PIN);

// m_p_file_name = p_file_name;

// m_error_code = error_code;

// m_line_num = line_num;

/* To be able to see function parameters in a debugger. */

uint32_t temp = 1;

while(temp);

CRITICAL_REGION_EXIT();

}

#endif

/**@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 performing battery measurement and updating the Battery Level characteristic

* in Battery Service.

*/

static void battery_level_update(void)

{

uint32_t err_code;

uint8_t battery_level;

battery_level = (uint8_t)ble_sensorsim_measure(&m_battery_sim_state, &m_battery_sim_cfg);

err_code = ble_bas_battery_level_update(&m_bas, battery_level);

if ((err_code != NRF_SUCCESS) &&

(err_code != NRF_ERROR_INVALID_STATE) &&

(err_code != BLE_ERROR_NO_TX_BUFFERS) &&

(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING)

)

{

APP_ERROR_HANDLER(err_code);

}

}

/**@brief Function for handling the Battery measurement timer timeout.

*

* @details This function will be called each time the battery level measurement timer expires.

*

* @param[in] p_context Pointer used for passing some arbitrary information (context) from the

* app_start_timer() call to the timeout handler.

*/

static void battery_level_meas_timeout_handler(void * p_context)

{

UNUSED_PARAMETER(p_context);

battery_level_update();

}

/**@brief Function for handling the Heart rate measurement timer timeout.

*

* @details This function will be called each time the heart rate measurement timer expires.

* It will exclude RR Interval data from every third measurement.

*

* @param[in] p_context Pointer used for passing some arbitrary information (context) from the

* app_start_timer() call to the timeout handler.

*/

static void heart_rate_meas_timeout_handler(void * p_context)

{

static uint32_t cnt = 0;

uint32_t err_code;

uint16_t heart_rate;

UNUSED_PARAMETER(p_context);

heart_rate = (uint16_t)ble_sensorsim_measure(&m_heart_rate_sim_state, &m_heart_rate_sim_cfg);

cnt++;

err_code = ble_hrs_heart_rate_measurement_send(&m_hrs, heart_rate);

if ((err_code != NRF_SUCCESS) &&

(err_code != NRF_ERROR_INVALID_STATE) &&

(err_code != BLE_ERROR_NO_TX_BUFFERS) &&

(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING)

)

{

APP_ERROR_HANDLER(err_code);

}

// Disable RR Interval recording every third heart rate measurement.

// NOTE: An application will normally not do this. It is done here just for testing generation

// of messages without RR Interval measurements.

m_rr_interval_enabled = ((cnt % 3) != 0);

}

/**@brief Function for handling the RR interval timer timeout.

*

* @details This function will be called each time the RR interval timer expires.

*

* @param[in] p_context Pointer used for passing some arbitrary information (context) from the

* app_start_timer() call to the timeout handler.

*/

static void rr_interval_timeout_handler(void * p_context)

{

UNUSED_PARAMETER(p_context);

if (m_rr_interval_enabled)

{

uint16_t rr_interval;

rr_interval = (uint16_t)ble_sensorsim_measure(&m_rr_interval_sim_state,

&m_rr_interval_sim_cfg);

ble_hrs_rr_interval_add(&m_hrs, rr_interval);

}

}

/**@brief Function for handling the Sensor Contact Detected timer timeout.

*

* @details This function will be called each time the Sensor Contact Detected timer expires.

*

* @param[in] p_context Pointer used for passing some arbitrary information (context) from the

* app_start_timer() call to the timeout handler.

*/

static void sensor_contact_detected_timeout_handler(void * p_context)

{

static bool sensor_contact_detected = false;

UNUSED_PARAMETER(p_context);

sensor_contact_detected = !sensor_contact_detected;

ble_hrs_sensor_contact_detected_update(&m_hrs, sensor_contact_detected);

}

/**@brief Function for the LEDs initialization.

*

* @details Initializes all LEDs used by this application.

*/

static void leds_init(void)

{

nrf_gpio_cfg_output(ADVERTISING_LED_PIN_NO);

nrf_gpio_cfg_output(CONNECTED_LED_PIN_NO);

nrf_gpio_cfg_output(ASSERT_LED_PIN_NO);

}

/**@brief Function for the Timer initialization.

*

* @details Initializes the timer module. This creates and starts application timers.

*/

static void timers_init(void)

{

uint32_t err_code;

// Initialize timer module.

APP_TIMER_INIT(APP_TIMER_PRESCALER, APP_TIMER_MAX_TIMERS, APP_TIMER_OP_QUEUE_SIZE, false);

// Create timers.

err_code = app_timer_create(&m_battery_timer_id,

APP_TIMER_MODE_REPEATED,

battery_level_meas_timeout_handler);

APP_ERROR_CHECK(err_code);

err_code = app_timer_create(&m_heart_rate_timer_id,

APP_TIMER_MODE_REPEATED,

heart_rate_meas_timeout_handler);

APP_ERROR_CHECK(err_code);

err_code = app_timer_create(&m_rr_interval_timer_id,

APP_TIMER_MODE_REPEATED,

rr_interval_timeout_handler);

APP_ERROR_CHECK(err_code);

err_code = app_timer_create(&m_sensor_contact_timer_id,

APP_TIMER_MODE_REPEATED,

sensor_contact_detected_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)

{

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);

err_code = sd_ble_gap_appearance_set(BLE_APPEARANCE_HEART_RATE_SENSOR_HEART_RATE_BELT);

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 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_FLAGS_LE_ONLY_GENERAL_DISC_MODE;

ble_uuid_t adv_uuids[] =

{

{BLE_UUID_HEART_RATE_SERVICE, BLE_UUID_TYPE_BLE},

{BLE_UUID_BATTERY_SERVICE, BLE_UUID_TYPE_BLE},

{BLE_UUID_DEVICE_INFORMATION_SERVICE, BLE_UUID_TYPE_BLE}

};

// Build and set advertising data.

memset(&advdata, 0, sizeof(advdata));

advdata.name_type = BLE_ADVDATA_FULL_NAME;

advdata.include_appearance = true;

advdata.flags.size = sizeof(flags);

advdata.flags.p_data = &flags;

advdata.uuids_complete.uuid_cnt = sizeof(adv_uuids) / sizeof(adv_uuids[0]);

advdata.uuids_complete.p_uuids = adv_uuids;

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_IND;

m_adv_params.p_peer_addr = NULL; // Undirected advertisement.

m_adv_params.fp = BLE_GAP_ADV_FP_ANY;

m_adv_params.interval = APP_ADV_INTERVAL;

m_adv_params.timeout = APP_ADV_TIMEOUT_IN_SECONDS;

}

#ifdef BLE_DFU_APP_SUPPORT

static void advertising_stop(void)

{

uint32_t err_code;

err_code = sd_ble_gap_adv_stop();

APP_ERROR_CHECK(err_code);

nrf_gpio_pin_clear(ADVERTISING_LED_PIN_NO);

}

/** @snippet [DFU BLE Reset prepare] */

static void reset_prepare(void)

{

uint32_t err_code;

if (m_conn_handle != BLE_CONN_HANDLE_INVALID)

{

// Disconnect from peer.

err_code = sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);

APP_ERROR_CHECK(err_code);

}

else

{

// If not connected, then the device will be advertising. Hence stop the advertising.

advertising_stop();

}

nrf_gpio_pin_clear(ADVERTISING_LED_PIN_NO);

nrf_gpio_pin_clear(CONNECTED_LED_PIN_NO);

err_code = ble_conn_params_stop();

APP_ERROR_CHECK(err_code);

}

/** @snippet [DFU BLE Reset prepare] */

#endif // BLE_DFU_APP_SUPPORT

/**@brief Function for initializing services that will be used by the application.

*

* @details Initialize the Heart Rate, Battery and Device Information services.

*/

static void services_init(void)

{

uint32_t err_code;

ble_hrs_init_t hrs_init;

ble_bas_init_t bas_init;

ble_dis_init_t dis_init;

uint8_t body_sensor_location;

// Initialize Heart Rate Service.

body_sensor_location = BLE_HRS_BODY_SENSOR_LOCATION_FINGER;

memset(&hrs_init, 0, sizeof(hrs_init));

hrs_init.evt_handler = NULL;

hrs_init.is_sensor_contact_supported = true;

hrs_init.p_body_sensor_location = &body_sensor_location;

// Here the sec level for the Heart Rate Service can be changed/increased.

BLE_GAP_CONN_SEC_MODE_SET_OPEN(&hrs_init.hrs_hrm_attr_md.cccd_write_perm);

//***************MODIFIED

BLE_GAP_CONN_SEC_MODE_SET_OPEN(&hrs_init.hrs_hrm_attr_md.read_perm);

BLE_GAP_CONN_SEC_MODE_SET_OPEN(&hrs_init.hrs_hrm_attr_md.write_perm);

//*********************

BLE_GAP_CONN_SEC_MODE_SET_OPEN(&hrs_init.hrs_bsl_attr_md.read_perm);

BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&hrs_init.hrs_bsl_attr_md.write_perm);

err_code = ble_hrs_init(&m_hrs, &hrs_init);

APP_ERROR_CHECK(err_code);

// Initialize Battery Service.

memset(&bas_init, 0, sizeof(bas_init));

// Here the sec level for the Battery Service can be changed/increased.

BLE_GAP_CONN_SEC_MODE_SET_OPEN(&bas_init.battery_level_char_attr_md.cccd_write_perm);

BLE_GAP_CONN_SEC_MODE_SET_OPEN(&bas_init.battery_level_char_attr_md.read_perm);

BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&bas_init.battery_level_char_attr_md.write_perm);

BLE_GAP_CONN_SEC_MODE_SET_OPEN(&bas_init.battery_level_report_read_perm);

bas_init.evt_handler = NULL;

bas_init.support_notification = true;

bas_init.p_report_ref = NULL;

bas_init.initial_batt_level = 100;

err_code = ble_bas_init(&m_bas, &bas_init);

APP_ERROR_CHECK(err_code);

// Initialize Device Information Service.

memset(&dis_init, 0, sizeof(dis_init));

ble_srv_ascii_to_utf8(&dis_init.manufact_name_str, (char *)MANUFACTURER_NAME);

BLE_GAP_CONN_SEC_MODE_SET_OPEN(&dis_init.dis_attr_md.read_perm);

BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&dis_init.dis_attr_md.write_perm);

err_code = ble_dis_init(&dis_init);

APP_ERROR_CHECK(err_code);

#ifdef BLE_DFU_APP_SUPPORT

/** @snippet [DFU BLE Service initialization] */

ble_dfu_init_t dfus_init;

// Initialize the Device Firmware Update Service.

memset(&dfus_init, 0, sizeof(dfus_init));

dfus_init.evt_handler = dfu_app_on_dfu_evt;

dfus_init.error_handler = NULL; //service_error_handler - Not used as only the switch from app to DFU mode is required and not full dfu service.

err_code = ble_dfu_init(&m_dfus, &dfus_init);

APP_ERROR_CHECK(err_code);

dfu_app_reset_prepare_set(reset_prepare);

/** @snippet [DFU BLE Service initialization] */

#endif // BLE_DFU_APP_SUPPORT

}

/**@brief Function for initializing the sensor simulators.

*/

static void sensor_sim_init(void)

{

m_battery_sim_cfg.min = MIN_BATTERY_LEVEL;

m_battery_sim_cfg.max = MAX_BATTERY_LEVEL;

m_battery_sim_cfg.incr = BATTERY_LEVEL_INCREMENT;

m_battery_sim_cfg.start_at_max = true;

ble_sensorsim_init(&m_battery_sim_state, &m_battery_sim_cfg);

m_heart_rate_sim_cfg.min = MIN_HEART_RATE;

m_heart_rate_sim_cfg.max = MAX_HEART_RATE;

m_heart_rate_sim_cfg.incr = HEART_RATE_INCREMENT;

m_heart_rate_sim_cfg.start_at_max = false;

ble_sensorsim_init(&m_heart_rate_sim_state, &m_heart_rate_sim_cfg);

m_rr_interval_sim_cfg.min = MIN_RR_INTERVAL;

m_rr_interval_sim_cfg.max = MAX_RR_INTERVAL;

m_rr_interval_sim_cfg.incr = RR_INTERVAL_INCREMENT;

m_rr_interval_sim_cfg.start_at_max = false;

ble_sensorsim_init(&m_rr_interval_sim_state, &m_rr_interval_sim_cfg);

}

/**@brief Function for starting application timers.

*/

static void application_timers_start(void)

{

uint32_t err_code;

// Start application timers.

err_code = app_timer_start(m_battery_timer_id, BATTERY_LEVEL_MEAS_INTERVAL, NULL);

APP_ERROR_CHECK(err_code);

err_code = app_timer_start(m_heart_rate_timer_id, HEART_RATE_MEAS_INTERVAL, NULL);

APP_ERROR_CHECK(err_code);

err_code = app_timer_start(m_rr_interval_timer_id, RR_INTERVAL_INTERVAL, NULL);

APP_ERROR_CHECK(err_code);

err_code = app_timer_start(m_sensor_contact_timer_id, SENSOR_CONTACT_DETECTED_INTERVAL, NULL);

APP_ERROR_CHECK(err_code);

}

/**@brief Function for starting advertising.

*/

static void advertising_start(void)

{

uint32_t err_code;

uint32_t count;

// Verify if there is any flash access pending, if yes delay starting advertising until

// it's complete.

err_code = pstorage_access_status_get(&count);

APP_ERROR_CHECK(err_code);

if (count != 0)

{

m_memory_access_in_progress = true;

return;

}

err_code = sd_ble_gap_adv_start(&m_adv_params);

APP_ERROR_CHECK(err_code);

nrf_gpio_pin_set(ADVERTISING_LED_PIN_NO);

}

/**@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)

{

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 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)

{

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 = m_hrs.hrm_handles.cccd_handle;

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 handling the Application's BLE Stack events.

*

* @param[in] p_ble_evt Bluetooth stack event.

*/

static void on_ble_evt(ble_evt_t * p_ble_evt)

{

uint32_t err_code;

switch (p_ble_evt->header.evt_id)

{

case BLE_GAP_EVT_CONNECTED:

nrf_gpio_pin_set(CONNECTED_LED_PIN_NO);

nrf_gpio_pin_clear(ADVERTISING_LED_PIN_NO);

m_conn_handle = p_ble_evt->evt.gap_evt.conn_handle;

break;

case BLE_GAP_EVT_DISCONNECTED:

nrf_gpio_pin_clear(CONNECTED_LED_PIN_NO);

advertising_start();

break;

case BLE_GAP_EVT_TIMEOUT:

if (p_ble_evt->evt.gap_evt.params.timeout.src == BLE_GAP_TIMEOUT_SRC_ADVERTISEMENT)

{

nrf_gpio_pin_clear(ADVERTISING_LED_PIN_NO);

// 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);

}

break;

case BLE_EVT_USER_MEM_REQUEST:

mem_block.len = QUEUED_WRITE_BUFFER_SIZE;

mem_block.p_mem = &queued_write_buffer[0];

err_code = sd_ble_user_mem_reply(m_conn_handle, &mem_block);

//simple_uart_putstring("User mem request \r\n");

break;

case BLE_EVT_USER_MEM_RELEASE:

if ((p_ble_evt->evt.common_evt.params.user_mem_release.mem_block.p_mem == mem_block.p_mem)&&(p_ble_evt->evt.common_evt.params.user_mem_release.mem_block.len == mem_block.len))

{

//memory released do nothing.

//simple_uart_putstring("User mem released \r\n");

}

break;

case BLE_GATTS_EVT_WRITE:

//simple_uart_putstring("Evt Write \r\n");

break;

default:

// No implementation needed.

break;

}

}

/**@brief Function for handling the Application's system events.

*

* @param[in] sys_evt system event.

*/

static void on_sys_evt(uint32_t sys_evt)

{

switch(sys_evt)

{

case NRF_EVT_FLASH_OPERATION_SUCCESS:

case NRF_EVT_FLASH_OPERATION_ERROR:

if (m_memory_access_in_progress)

{

m_memory_access_in_progress = false;

advertising_start();

}

break;

default:

// No implementation needed.

break;

}

}

/**@brief Function for dispatching a BLE stack event to all modules with a BLE stack event handler.

*

* @details This function is called from the BLE Stack event interrupt handler after a BLE stack

* event has been received.

*

* @param[in] p_ble_evt Bluetooth stack event.

*/

static void ble_evt_dispatch(ble_evt_t * p_ble_evt)

{

dm_ble_evt_handler(p_ble_evt);

ble_hrs_on_ble_evt(&m_hrs, p_ble_evt);

ble_bas_on_ble_evt(&m_bas, p_ble_evt);

ble_conn_params_on_ble_evt(p_ble_evt);

#ifdef BLE_DFU_APP_SUPPORT

/** @snippet [Propagating BLE Stack events to DFU Service] */

ble_dfu_on_ble_evt(&m_dfus, p_ble_evt);

/** @snippet [Propagating BLE Stack events to DFU Service] */

#endif // BLE_DFU_APP_SUPPORT

on_ble_evt(p_ble_evt);

}

/**@brief Function for dispatching a system event to interested modules.

*

* @details This function is called from the System event interrupt handler after a system

* event has been received.

*

* @param[in] sys_evt System stack event.

*/

static void sys_evt_dispatch(uint32_t sys_evt)

{

pstorage_sys_event_handler(sys_evt);

on_sys_evt(sys_evt);

}

/**@brief Function for initializing the BLE stack.

*

* @details Initializes the SoftDevice and the BLE event interrupt.

*/

static void ble_stack_init(void)

{

uint32_t err_code;

// Initialize the SoftDevice handler module.

SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, false);

#ifdef S110

// Enable BLE stack

ble_enable_params_t ble_enable_params;

memset(&ble_enable_params, 0, sizeof(ble_enable_params));

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);

#endif

// Register with the SoftDevice handler module for BLE events.

err_code = softdevice_ble_evt_handler_set(ble_evt_dispatch);

APP_ERROR_CHECK(err_code);

// Register with the SoftDevice handler module for BLE events.

err_code = softdevice_sys_evt_handler_set(sys_evt_dispatch);

APP_ERROR_CHECK(err_code);

}

/**@brief Function for initializing buttons.

*/

static void buttons_init(void)

{

// Set Wakeup and Bonds Delete buttons as wakeup sources.

nrf_gpio_cfg_sense_input(WAKEUP_BUTTON_PIN,

BUTTON_PULL,

NRF_GPIO_PIN_SENSE_LOW);

nrf_gpio_cfg_sense_input(BOND_DELETE_ALL_BUTTON_ID,

BUTTON_PULL,

NRF_GPIO_PIN_SENSE_LOW);

}

/**@brief Function for handling the Device Manager events.

*

* @param[in] p_evt Data associated to the device manager event.

*/

static uint32_t device_manager_evt_handler(dm_handle_t const * p_handle,

dm_event_t const * p_event,

api_result_t event_result)

{

APP_ERROR_CHECK(event_result);

return NRF_SUCCESS;

}

/**@brief Function for the Device Manager initialization.

*/

static void device_manager_init(void)

{

uint32_t err_code;

dm_init_param_t init_data;

dm_application_param_t register_param;

// Initialize persistent storage module.

err_code = pstorage_init();

APP_ERROR_CHECK(err_code);

// Clear all bonded centrals if the Bonds Delete button is pushed.

init_data.clear_persistent_data = (nrf_gpio_pin_read(BOND_DELETE_ALL_BUTTON_ID) == 0);

err_code = dm_init(&init_data);

APP_ERROR_CHECK(err_code);

memset(&register_param.sec_param, 0, sizeof(ble_gap_sec_params_t));

register_param.sec_param.timeout = SEC_PARAM_TIMEOUT;

register_param.sec_param.bond = SEC_PARAM_BOND;

register_param.sec_param.mitm = SEC_PARAM_MITM;

register_param.sec_param.io_caps = SEC_PARAM_IO_CAPABILITIES;

register_param.sec_param.oob = SEC_PARAM_OOB;

register_param.sec_param.min_key_size = SEC_PARAM_MIN_KEY_SIZE;

register_param.sec_param.max_key_size = SEC_PARAM_MAX_KEY_SIZE;

register_param.evt_handler = device_manager_evt_handler;

register_param.service_type = DM_PROTOCOL_CNTXT_GATT_SRVR_ID;

err_code = dm_register(&m_app_handle, &register_param);

APP_ERROR_CHECK(err_code);

}

/**@brief Function for the Power manager.

*/

static void power_manage(void)

{

uint32_t err_code = sd_app_evt_wait();

APP_ERROR_CHECK(err_code);

}

/**@brief Function for application main entry.

*/

int main(void)

{

// Initialize.

leds_init();

buttons_init();

timers_init();

ble_stack_init();

device_manager_init();

gap_params_init();

advertising_init();

services_init();

sensor_sim_init();

conn_params_init();

//simple_uart_config(31,9,31,31,false);

//simple_uart_putstring("Starting...");

// Start execution.

//Turn off HRM update

//application_timers_start();

advertising_start();

// Enter main loop.

for (;;)

{

power_manage();

}

}