Heart Rate Service (HRS)

Heart Rate Service (HRS) More...

Data Structures
struct	bt_hrs_cb
	Heart rate service callback structure. More...

Functions
int	bt_hrs_cb_register (struct bt_hrs_cb *cb)
	Heart rate service callback register.
int	bt_hrs_cb_unregister (struct bt_hrs_cb *cb)
	Heart rate service callback unregister.
int	bt_hrs_notify (uint16_t heartrate)
	Notify heart rate measurement.

Detailed Description

Heart Rate Service (HRS)

[Experimental] Users should note that the APIs can change as a part of ongoing development.

Function Documentation

bt_hrs_cb_register()

int bt_hrs_cb_register

(

struct bt_hrs_cb *

cb

)

#include <zephyr/bluetooth/services/hrs.h>

Heart rate service callback register.

This function will register callbacks that will be called in certain events related to Heart rate service.

Parameters

cb	Pointer to callbacks structure. Must point to memory that remains valid until unregistered.

Returns

0 on success

-EINVAL in case cb is NULL

bt_hrs_cb_unregister()

int bt_hrs_cb_unregister

(

struct bt_hrs_cb *

cb

)

#include <zephyr/bluetooth/services/hrs.h>

Heart rate service callback unregister.

This function will unregister callback from Heart rate service.

Parameters

cb	Pointer to callbacks structure

Returns

0 on success

-EINVAL in case cb is NULL

-ENOENT in case the cb was not found in registered callbacks

bt_hrs_notify()

int bt_hrs_notify

(

uint16_t

heartrate

)

#include <zephyr/bluetooth/services/hrs.h>

Notify heart rate measurement.

This will send a GATT notification to all current subscribers.

Parameters

heartrate

The heartrate measurement in beats per minute.

Returns

Zero in case of success and error code in case of error.