Heart Rate Sensor Profile.

#include <asf.h>
#include <string.h>
#include "timer_hw.h"
#include "at_ble_api.h"
#include "ble_manager.h"
#include "device_info.h"
#include "heart_rate.h"
#include "hr_sensor.h"
#include "ble_utils.h"

Functions
void	hr_sensor_adv (void)
	hr_sensor_adv adds the advertisement data of the profile and starts advertisement More...

at_ble_status_t	hr_sensor_char_changed_handler (void *params)
	hr_sensor_char_changed_handler called by the ble manager after a change in the characteristic More...

at_ble_status_t	hr_sensor_char_write_request (void *params)
	hr_sensor_char_write_request handles the write request for heart rate control point characteristic. More...

at_ble_status_t	hr_sensor_connected_state_handler (void *params)
	hr_sensor_connected_state_handler called by ble manager after a change in characteristic More...

void	hr_sensor_disconnect (void)
	hr_sensor_disconnect disconnects with the peer device called by the application More...

at_ble_status_t	hr_sensor_disconnect_event_handler (void *disconnect)
	hr_sensor_disconnect_event_handler called by ble manager after disconnection event recieved More...

void	hr_sensor_init (void *param)
	hr_sensor_init initializes and defines the services of the hr profile More...

at_ble_status_t	hr_sensor_notification_cfm_handler (void *params)
	hr_notification_confirmation_handler called on notification confirmation event by the ble manager More...

bool	hr_sensor_send_notification (uint8_t *hr_data, uint8_t length)
	hr_sensor_send_notification adds the new characteristic value and sends the notification More...

void	hr_sensor_service_define (void)
	hr_sensor_service_define defines the services of the profile More...

void	hr_sensor_service_init (void)
	Initialization of profile services. More...

void	register_hr_notification_handler (hr_notification_callback_t hr_notificaton_handler)
	register_hr_notification_handler registers the notification handler passed by the application param[in] hr_notification_callback_t address of the notification handler function to be called More...

void	register_hr_reset_handler (hr_reset_callback_t hr_reset_handler)
	register_hr_reset_handler registers the reset handler passed by the application More...

Variables
at_ble_handle_t	connection_handle
	contains the connection handle functions More...

dis_gatt_service_handler_t	dis_service_handler
	device information service handler More...

static const ble_gap_event_cb_t	hr_sensor_gap_handle

static const ble_gatt_server_event_cb_t	hr_sensor_gatt_server_handle

hr_gatt_service_handler_t	hr_service_handler
	heart rate measurement service handler More...

hr_notification_callback_t	notification_cb
	callback functions pointers contains the address of application functions More...

bool	notification_confirm = true

hr_reset_callback_t	reset_cb

uint8_t	scan_rsp_data [SCAN_RESP_LEN] = {0x09, 0xff, 0x00, 0x06, 0xd6, 0xb2, 0xf0, 0x05, 0xf0, 0xf8}
	Scan response data. More...

void hr_sensor_adv ( void )

hr_sensor_adv adds the advertisement data of the profile and starts advertisement

References AT_BLE_ADV_FP_ANY, AT_BLE_ADV_GEN_DISCOVERABLE, at_ble_adv_start(), AT_BLE_ADV_TYPE_UNDIRECTED, AT_BLE_SUCCESS, DBG_LOG, HR_SENSOR_FAST_ADV, NULL, and status.

Referenced by hr_sensor_app_custom_event().

at_ble_status_t hr_sensor_char_changed_handler ( void * params )

hr_sensor_char_changed_handler called by the ble manager after a change in the characteristic

Parameters

[in] at_ble_characteristic_changed_t which contains handle of characteristic and new value

Returns: AT_BLE_SUCCESS on success and AT_BLE_FAILURE on failure

References AT_BLE_SUCCESS, HR_CONTROL_POINT_RESET, HR_NOTIFICATION_DISABLE, HR_NOTIFICATION_ENABLE, hr_write_value_handler(), notification_cb, and reset_cb.

at_ble_status_t hr_sensor_char_write_request ( void * params )

hr_sensor_char_write_request handles the write request for heart rate control point characteristic.

Parameters

[in] at_ble_characteristic_write_request_t parameters containing the value written

References AT_BLE_ATT_APP_ERROR, AT_BLE_SUCCESS, at_ble_write_authorize_reply(), at_ble_characteristic_write_request_t::char_handle, at_ble_characteristic_t::char_val_handle, DBG_LOG, DBG_LOG_DEV, HR_CONTROL_POINT_RESET_VAL, reset_cb, hr_gatt_service_handler::serv_chars, status, and at_ble_characteristic_write_request_t::value.

at_ble_status_t hr_sensor_connected_state_handler ( void * params )

hr_sensor_connected_state_handler called by ble manager after a change in characteristic

Parameters

[in] at_ble_connected_t which has connection handle and the peer device address

References AT_BLE_SUCCESS, connection_handle, and at_ble_connected_t::handle.

void hr_sensor_disconnect ( void )

hr_sensor_disconnect disconnects with the peer device called by the application

References at_ble_disconnect(), AT_BLE_SUCCESS, AT_BLE_TERMINATED_BY_USER, connection_handle, DBG_LOG, and status.

Referenced by hr_sensor_app_custom_event().

at_ble_status_t hr_sensor_disconnect_event_handler ( void * disconnect )

hr_sensor_disconnect_event_handler called by ble manager after disconnection event recieved

Parameters

[in] at_ble_disconnected_t which has connection handle and reason for disconnection

References ALL_UNUSED, and AT_BLE_SUCCESS.

void hr_sensor_init ( void * param )

hr_sensor_init initializes and defines the services of the hr profile

Parameters

[in] params are unused.

References ALL_UNUSED, AT_BLE_SUCCESS, ble_advertisement_data_set(), BLE_GAP_EVENT_TYPE, BLE_GATT_SERVER_EVENT_TYPE, ble_mgr_events_callback_handler(), at_ble_characteristic_t::char_val_handle, at_ble_characteristic_t::client_config_handle, DBG_LOG, DBG_LOG_PTS, hr_sensor_service_define(), hr_sensor_service_init(), REGISTER_CALL_BACK, hr_gatt_service_handler::serv_chars, dis_gatt_service_handler::serv_chars, hr_gatt_service_handler::serv_handle, dis_gatt_service_handler::serv_handle, and status.

Referenced by main().

at_ble_status_t hr_sensor_notification_cfm_handler ( void * params )

hr_notification_confirmation_handler called on notification confirmation event by the ble manager

hr_sensor_notification_cfm_handler called on notification confirmation event by the ble manager

Parameters

[in] at_ble_status_t AT_BLE_SUCCESS on success AT_BLE_FAILURE on failure called

References AT_BLE_SUCCESS, DBG_LOG_DEV, and at_ble_cmd_complete_event_t::status.

bool hr_sensor_send_notification	(	uint8_t *	hr_data,
		uint8_t	length
	)

hr_sensor_send_notification adds the new characteristic value and sends the notification

Parameters

[in]	hr_data	the new hr characteristic value needs to be updated
[in]	length	length of new characteristic value

Updating the new characteristic value

Sending the notification for the updated characteristic

References at_ble_characteristic_value_set(), at_ble_notification_send(), AT_BLE_SUCCESS, at_ble_characteristic_t::char_val_handle, connection_handle, DBG_LOG, hr_gatt_service_handler::serv_chars, and status.

Referenced by hr_measurment_send().

void hr_sensor_service_define ( void )

hr_sensor_service_define defines the services of the profile

References AT_BLE_SUCCESS, DBG_LOG, DBG_LOG_DEV, dis_primary_service_define(), hr_primary_service_define(), and status.

Referenced by hr_sensor_init().

void hr_sensor_service_init ( void )

Initialization of profile services.

hr_sensor_service_init initializes the services of the profile

References dis_init_service(), and hr_init_service().

Referenced by hr_sensor_init().

void register_hr_notification_handler ( hr_notification_callback_t hr_notificaton_handler )

register_hr_notification_handler registers the notification handler passed by the application param[in] hr_notification_callback_t address of the notification handler function to be called

References notification_cb.

Referenced by main().

void register_hr_reset_handler ( hr_reset_callback_t hr_reset_handler )

register_hr_reset_handler registers the reset handler passed by the application

Parameters

[in] hr_reset_callback_t address of the handler function to be called

References reset_cb.

Referenced by main().

at_ble_handle_t connection_handle

contains the connection handle functions

dis_gatt_service_handler_t dis_service_handler

device information service handler

const ble_gap_event_cb_t hr_sensor_gap_handle

static

Initial value:

= {
    .connected = hr_sensor_connected_state_handler,
    .disconnected = hr_sensor_disconnect_event_handler
}

const ble_gatt_server_event_cb_t hr_sensor_gatt_server_handle

static

Initial value:

= {
    .notification_confirmed = hr_sensor_notification_cfm_handler,
    .characteristic_changed = hr_sensor_char_changed_handler,
    .write_authorize_request = hr_sensor_char_write_request
}

hr_gatt_service_handler_t hr_service_handler

heart rate measurement service handler

hr_notification_callback_t notification_cb

callback functions pointers contains the address of application functions

bool notification_confirm = true

hr_reset_callback_t reset_cb

Referenced by hr_sensor_char_changed_handler(), hr_sensor_char_write_request(), and register_hr_reset_handler().

uint8_t scan_rsp_data[SCAN_RESP_LEN] = {0x09, 0xff, 0x00, 0x06, 0xd6, 0xb2, 0xf0, 0x05, 0xf0, 0xf8}

Scan response data.

Microchip® Advanced Software Framework

Functions

Variables