Bluetooth: Update documentation of GATT API
This makes use of new guidelines to document the GATT API. Change-Id: I5544f449e11dd72c68b0efb15bd06db44ec30279 Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Luiz Augusto von Dentz
Anas Nashif
parent
df4257f174
commit
537e65b05b
1 changed files with 205 additions and 83 deletions
|
|
@ -1,4 +1,6 @@
|
|||
/* gatt.h - Generic Attribute Profile handling */
|
||||
/*! @file
|
||||
* @bried Generic Attribute Profile handling
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (c) 2015 Intel Corporation
|
||||
|
|
@ -35,56 +37,141 @@
|
|||
#include <misc/util.h>
|
||||
|
||||
/* GATT attribute permission bitfield values */
|
||||
/*! @def BT_GATT_PERM_READ
|
||||
* @brief Attribute read permission.
|
||||
*/
|
||||
#define BT_GATT_PERM_READ 0x01
|
||||
/*! @def BT_GATT_PERM_WRITE
|
||||
* @brief Attribute write permission.
|
||||
*/
|
||||
#define BT_GATT_PERM_WRITE 0x02
|
||||
/*! @def BT_GATT_PERM_READ_ENCRYPT
|
||||
* @brief Attribute read permission with encryption.
|
||||
*
|
||||
* If set, requires encryption for read access.
|
||||
*/
|
||||
#define BT_GATT_PERM_READ_ENCRYPT 0x04
|
||||
/*! @def BT_GATT_PERM_WRITE_ENCRYPT
|
||||
* @brief Attribute write permission with encryption.
|
||||
*
|
||||
* If set, requires encryption for write access.
|
||||
*/
|
||||
#define BT_GATT_PERM_WRITE_ENCRYPT 0x08
|
||||
/*! @def BT_GATT_PERM_READ_AUTHEN
|
||||
* @brief Attribute read permission with authentication.
|
||||
*
|
||||
* If set, requires encryption using authenticated link-key for read access.
|
||||
*/
|
||||
#define BT_GATT_PERM_READ_AUTHEN 0x10
|
||||
/*! @def BT_GATT_PERM_WRITE_AUTHEN
|
||||
* @brief Attribute write permission with authentication.
|
||||
*
|
||||
* If set, requires encryption using authenticated link-key for write access.
|
||||
*/
|
||||
#define BT_GATT_PERM_WRITE_AUTHEN 0x20
|
||||
/*! @def BT_GATT_PERM_AUTHOR
|
||||
* @brief Attribute authorization permission.
|
||||
*/
|
||||
#define BT_GATT_PERM_AUTHOR 0x40
|
||||
|
||||
/* GATT Attribute structure */
|
||||
/*! @brief GATT Attribute structure. */
|
||||
struct bt_gatt_attr {
|
||||
/*! Attribute handle */
|
||||
uint16_t handle;
|
||||
/*! Attribute UUID */
|
||||
const struct bt_uuid *uuid;
|
||||
/*! Attribute permissions */
|
||||
uint8_t perm;
|
||||
/*! Attribute read callback */
|
||||
int (*read)(const bt_addr_le_t *peer,
|
||||
const struct bt_gatt_attr *attr,
|
||||
void *buf, uint8_t len,
|
||||
uint16_t offset);
|
||||
/*! Attribute write callback */
|
||||
int (*write)(const bt_addr_le_t *peer,
|
||||
const struct bt_gatt_attr *attr,
|
||||
const void *buf, uint8_t len,
|
||||
uint16_t offset);
|
||||
/*! Attribute user data */
|
||||
void *user_data;
|
||||
};
|
||||
|
||||
/* Service Attribute Value */
|
||||
/*! @brief Service Attribute Value. */
|
||||
struct bt_gatt_service {
|
||||
/*! Service UUID. */
|
||||
const struct bt_uuid *uuid;
|
||||
};
|
||||
|
||||
/* Include Attribute Value */
|
||||
/*! @brief Include Attribute Value. */
|
||||
struct bt_gatt_include {
|
||||
/*! Service start handle. */
|
||||
uint16_t start_handle;
|
||||
/*! Service end handle. */
|
||||
uint16_t end_handle;
|
||||
/*! Service UUID. */
|
||||
const struct bt_uuid *uuid;
|
||||
};
|
||||
|
||||
/* Characteristic Properties Bitfield values */
|
||||
/*! @def BT_GATT_CHRC_BROADCAST
|
||||
* @brief Characteristic broadcast property.
|
||||
*
|
||||
* If set, permits broadcasts of the Characteristic Value using Server
|
||||
* Characteristic Configuration Descriptor.
|
||||
*/
|
||||
#define BT_GATT_CHRC_BROADCAST 0x01
|
||||
/*! @def BT_GATT_CHRC_READ
|
||||
* @brief Characteristic read property.
|
||||
*
|
||||
* If set, permits reads of the Characteristic Value.
|
||||
*/
|
||||
#define BT_GATT_CHRC_READ 0x02
|
||||
/*! @def BT_GATT_CHRC_WRITE_WITHOUT_RESP
|
||||
* @brief Characteristic write without response property.
|
||||
*
|
||||
* If set, permits write of the Characteristic Value without response.
|
||||
*/
|
||||
#define BT_GATT_CHRC_WRITE_WITHOUT_RESP 0x04
|
||||
/*! @def BT_GATT_CHRC_WRITE
|
||||
* @brief Characteristic write with response property.
|
||||
*
|
||||
* If set, permits write of the Characteristic Value with response.
|
||||
*/
|
||||
#define BT_GATT_CHRC_WRITE 0x08
|
||||
/*! @def BT_GATT_CHRC_NOTIFY
|
||||
* @brief Characteristic notify property.
|
||||
*
|
||||
* If set, permits notifications of a Characteristic Value without
|
||||
* acknowledgement.
|
||||
*/
|
||||
#define BT_GATT_CHRC_NOTIFY 0x10
|
||||
/*! @def BT_GATT_CHRC_INDICATE
|
||||
* @brief Characteristic indicate property.
|
||||
*
|
||||
* If set, permits indications of a Characteristic Value with acknowledgement.
|
||||
*/
|
||||
#define BT_GATT_CHRC_INDICATE 0x20
|
||||
/*! @def BT_GATT_CHRC_AUTH
|
||||
* @brief Characteristic Authenticated Signed Writes property.
|
||||
*
|
||||
* If set, permits signed writes to the Characteristic Value
|
||||
*/
|
||||
#define BT_GATT_CHRC_AUTH 0x40
|
||||
/*! @def BT_GATT_CHRC_EXT_PROP
|
||||
* @brief Characteristic Extended Properties property.
|
||||
*
|
||||
* If set, additional characteristic properties are defined in the
|
||||
* Characteristic Extended Properties Descriptor.
|
||||
*/
|
||||
#define BT_GATT_CHRC_EXT_PROP 0x80
|
||||
|
||||
/* Characteristic Attribute Value */
|
||||
/*! @brief Characteristic Attribute Value. */
|
||||
struct bt_gatt_chrc {
|
||||
/*! Characteristic properties. */
|
||||
uint8_t properties;
|
||||
/*! Characteristic value handle. */
|
||||
uint16_t value_handle;
|
||||
/*! Characteristic UUID. */
|
||||
const struct bt_uuid *uuid;
|
||||
};
|
||||
|
||||
|
|
@ -92,35 +179,48 @@ struct bt_gatt_chrc {
|
|||
#define BT_GATT_CEP_RELIABLE_WRITE 0x01
|
||||
#define BT_GATT_CEP_WRITABLE_AUX 0x02
|
||||
|
||||
/* Characteristic Extended Properties Attribute Value */
|
||||
/*! @brief Characteristic Extended Properties Attribute Value. */
|
||||
struct bt_gatt_cep {
|
||||
/*! Characteristic Extended properties. */
|
||||
uint8_t properties;
|
||||
};
|
||||
|
||||
/* Characteristic User Description Attribute Value */
|
||||
/* @brief Characteristic User Description Attribute Value. */
|
||||
struct bt_gatt_cud {
|
||||
/*! Characteristic User Description string. */
|
||||
char *string;
|
||||
};
|
||||
|
||||
/* Client Characteristic Configuration.user_datas */
|
||||
/* Client Characteristic Configuration Values*/
|
||||
/* @def BT_GATT_CCC_NOTIFY
|
||||
* @brief Client Characteristic Configuration Notification.
|
||||
*
|
||||
* If set, changes to Characteristic Value shall be notified.
|
||||
*/
|
||||
#define BT_GATT_CCC_NOTIFY 0x0001
|
||||
/* @def BT_GATT_CCC_INDICATE
|
||||
* @brief Client Characteristic Configuration Indication.
|
||||
*
|
||||
* If set, changes to Characteristic Value shall be indicated.
|
||||
*/
|
||||
#define BT_GATT_CCC_INDICATE 0x0002
|
||||
|
||||
/* Client Characteristic Configuration Attribute Value */
|
||||
struct bt_gatt_ccc {
|
||||
/*! Client Characteristic Configuration flags */
|
||||
uint16_t flags;
|
||||
};
|
||||
|
||||
/* Server API */
|
||||
|
||||
/** @brief Register attribute database
|
||||
/*! @brief Register attribute database.
|
||||
*
|
||||
* Register GATT attribute database table. Applications can make use of
|
||||
* macros such as BT_GATT_PRIMARY_SERVICE, BT_GATT_CHARACTERISTIC,
|
||||
* BT_GATT_DESCRIPTOR, etc.
|
||||
*
|
||||
* @param attrs dabase table containing the available attributes
|
||||
* @param count size of database table
|
||||
* @param attrs dabase table containing the available attributes.
|
||||
* @param count size of database table.
|
||||
*/
|
||||
void bt_gatt_register(const struct bt_gatt_attr *attrs, size_t count);
|
||||
|
||||
|
|
@ -129,10 +229,10 @@ enum {
|
|||
BT_GATT_ITER_CONTINUE,
|
||||
};
|
||||
|
||||
/** @brief Attribute iterator callback
|
||||
/*! @brief Attribute iterator callback.
|
||||
*
|
||||
* @param attr attribute found
|
||||
* @param user_data data given
|
||||
* @param attr attribute found.
|
||||
* @param user_data data given.
|
||||
*
|
||||
* @return BT_GATT_ITER_CONTINUE if should continue to the next attribute
|
||||
* or BT_GATT_ITER_STOP to stop.
|
||||
|
|
@ -140,29 +240,29 @@ enum {
|
|||
typedef uint8_t (*bt_gatt_attr_func_t)(const struct bt_gatt_attr *attr,
|
||||
void *user_data);
|
||||
|
||||
/** @brief Attribute iterator
|
||||
/*! @brief Attribute iterator.
|
||||
*
|
||||
* Iterate attributes in the given range.
|
||||
*
|
||||
* @param start_handle uint16_t start handle
|
||||
* @param end_handle uint16_t end handle
|
||||
* @param func bt_gatt_attr_func_t callback function
|
||||
* @param user_data void * data to pass to the callback
|
||||
* @param start_handle start handle.
|
||||
* @param end_handle end handle.
|
||||
* @param func callback function.
|
||||
* @param user_data data to pass to the callback.
|
||||
*/
|
||||
void bt_gatt_foreach_attr(uint16_t start_handle, uint16_t end_handle,
|
||||
bt_gatt_attr_func_t func, void *user_data);
|
||||
|
||||
/** @brief Generic Read Attribute value helper
|
||||
/*! @brief Generic Read Attribute value helper.
|
||||
*
|
||||
* Read attribute value storing the result into buffer.
|
||||
*
|
||||
* @param peer remote address
|
||||
* @param attr attribute to read
|
||||
* @param buf buffer to store the value
|
||||
* @param buf_len buffer length
|
||||
* @param offset start offset
|
||||
* @param value attribute value
|
||||
* @param value_len length of the attribute value
|
||||
* @param peer remote address.
|
||||
* @param attr attribute to read.
|
||||
* @param buf buffer to store the value.
|
||||
* @param buf_len buffer length.
|
||||
* @param offset start offset.
|
||||
* @param value attribute value.
|
||||
* @param value_len length of the attribute value.
|
||||
*
|
||||
* @return int number of bytes read in case of success or negative values in
|
||||
* case of error.
|
||||
|
|
@ -171,17 +271,17 @@ int bt_gatt_attr_read(const bt_addr_le_t *peer, const struct bt_gatt_attr *attr,
|
|||
void *buf, uint8_t buf_len, uint16_t offset,
|
||||
const void *value, uint8_t value_len);
|
||||
|
||||
/** @brief Read Service Attribute helper
|
||||
/*! @brief Read Service Attribute helper.
|
||||
*
|
||||
* Read service attribute value storing the result into buffer after
|
||||
* enconding it.
|
||||
* NOTE: Only use this with attributes which user_data is a bt_uuid.
|
||||
*
|
||||
* @param peer remote address
|
||||
* @param attr attribute to read
|
||||
* @param buf buffer to store the value read
|
||||
* @param len buffer length
|
||||
* @param offset start offset
|
||||
* @param peer remote address.
|
||||
* @param attr attribute to read.
|
||||
* @param buf buffer to store the value read.
|
||||
* @param len buffer length.
|
||||
* @param offset start offset.
|
||||
*
|
||||
* @return int number of bytes read in case of success or negative values in
|
||||
* case of error.
|
||||
|
|
@ -190,13 +290,14 @@ int bt_gatt_attr_read_service(const bt_addr_le_t *peer,
|
|||
const struct bt_gatt_attr *attr,
|
||||
void *buf, uint8_t len, uint16_t offset);
|
||||
|
||||
/** @brief Generic Service Declaration Macro
|
||||
/*! @def BT_GATT_SERVICE
|
||||
* @brief Generic Service Declaration Macro.
|
||||
*
|
||||
* Helper macro to declare a service attribute.
|
||||
*
|
||||
* @param _handle service attribute handle
|
||||
* @param _uuid service attribute type
|
||||
* @param _data service attribute value
|
||||
* @param _handle service attribute handle.
|
||||
* @param _uuid service attribute type.
|
||||
* @param _data service attribute value.
|
||||
*/
|
||||
#define BT_GATT_SERVICE(_handle, _uuid, _service) \
|
||||
{ \
|
||||
|
|
@ -207,12 +308,13 @@ int bt_gatt_attr_read_service(const bt_addr_le_t *peer,
|
|||
.user_data = _service, \
|
||||
}
|
||||
|
||||
/** @brief Primary Service Declaration Macro
|
||||
/*! @def BT_GATT_PRIMARY_SERVICE
|
||||
* @brief Primary Service Declaration Macro.
|
||||
*
|
||||
* Helper macro to declare a primary service attribute.
|
||||
*
|
||||
* @param _handle service attribute handle
|
||||
* @param _service service attribute value
|
||||
* @param _handle service attribute handle.
|
||||
* @param _service service attribute value.
|
||||
*/
|
||||
#define BT_GATT_PRIMARY_SERVICE(_handle, _service) \
|
||||
{ \
|
||||
|
|
@ -224,12 +326,13 @@ int bt_gatt_attr_read_service(const bt_addr_le_t *peer,
|
|||
.user_data = _service, \
|
||||
}
|
||||
|
||||
/** @brief Secondary Service Declaration Macro
|
||||
/*! @def BT_GATT_SECONDARY_SERVICE
|
||||
* @brief Secondary Service Declaration Macro.
|
||||
*
|
||||
* Helper macro to declare a secondary service attribute.
|
||||
*
|
||||
* @param _handle service attribute handle
|
||||
* @param _service service attribute value
|
||||
* @param _handle service attribute handle.
|
||||
* @param _service service attribute value.
|
||||
*/
|
||||
#define BT_GATT_SECONDARY_SERVICE(_handle, _service) \
|
||||
{ \
|
||||
|
|
@ -241,17 +344,17 @@ int bt_gatt_attr_read_service(const bt_addr_le_t *peer,
|
|||
.user_data = _service, \
|
||||
}
|
||||
|
||||
/** @brief Read Include Attribute helper
|
||||
/*! @brief Read Include Attribute helper.
|
||||
*
|
||||
* Read include service attribute value storing the result into buffer after
|
||||
* enconding it.
|
||||
* NOTE: Only use this with attributes which user_data is a bt_gatt_include.
|
||||
*
|
||||
* @param peer remote address
|
||||
* @param attr attribute to read
|
||||
* @param buf buffer to store the value read
|
||||
* @param len buffer length
|
||||
* @param offset start offset
|
||||
* @param peer remote address.
|
||||
* @param attr attribute to read.
|
||||
* @param buf buffer to store the value read.
|
||||
* @param len buffer length.
|
||||
* @param offset start offset.
|
||||
*
|
||||
* @return int number of bytes read in case of success or negative values in
|
||||
* case of error.
|
||||
|
|
@ -260,7 +363,14 @@ int bt_gatt_attr_read_included(const bt_addr_le_t *peer,
|
|||
const struct bt_gatt_attr *attr,
|
||||
void *buf, uint8_t len, uint16_t offset);
|
||||
|
||||
/* Include Service Declaration */
|
||||
/*! @def BT_GATT_INCLUDE_SERVICE
|
||||
* @brief Include Service Declaration Macro.
|
||||
*
|
||||
* Helper macro to declare a include service attribute.
|
||||
*
|
||||
* @param _handle service attribute handle.
|
||||
* @param _service service attribute value.
|
||||
*/
|
||||
#define BT_GATT_INCLUDE_SERVICE(_handle, _service) \
|
||||
{ \
|
||||
.handle = _handle, \
|
||||
|
|
@ -271,17 +381,17 @@ int bt_gatt_attr_read_included(const bt_addr_le_t *peer,
|
|||
.user_data = _service, \
|
||||
}
|
||||
|
||||
/** @brief Read Characteristic Attribute helper
|
||||
/*! @brief Read Characteristic Attribute helper.
|
||||
*
|
||||
* Read characteristic attribute value storing the result into buffer after
|
||||
* enconding it.
|
||||
* NOTE: Only use this with attributes which user_data is a bt_gatt_chrc.
|
||||
*
|
||||
* @param peer remote address
|
||||
* @param attr attribute to read
|
||||
* @param buf buffer to store the value read
|
||||
* @param len buffer length
|
||||
* @param offset start offset
|
||||
* @param peer remote address.
|
||||
* @param attr attribute to read.
|
||||
* @param buf buffer to store the value read.
|
||||
* @param len buffer length.
|
||||
* @param offset start offset.
|
||||
*
|
||||
* @return number of bytes read in case of success or negative values in
|
||||
* case of error.
|
||||
|
|
@ -290,12 +400,13 @@ int bt_gatt_attr_read_chrc(const bt_addr_le_t *peer,
|
|||
const struct bt_gatt_attr *attr, void *buf,
|
||||
uint8_t len, uint16_t offset);
|
||||
|
||||
/** @brief Characteristic Declaration Macro
|
||||
/*! @def BT_GATT_CHARACTERISTIC
|
||||
* @brief Characteristic Declaration Macro.
|
||||
*
|
||||
* Helper macro to declare a characteristic attribute.
|
||||
*
|
||||
* @param _handle characteristic attribute handle
|
||||
* @param _value characteristic attribute value
|
||||
* @param _handle characteristic attribute handle.
|
||||
* @param _value characteristic attribute value.
|
||||
*/
|
||||
#define BT_GATT_CHARACTERISTIC(_handle, _value) \
|
||||
{ \
|
||||
|
|
@ -307,12 +418,17 @@ int bt_gatt_attr_read_chrc(const bt_addr_le_t *peer,
|
|||
.user_data = _value, \
|
||||
}
|
||||
|
||||
/*! @brief GATT CCC configuration entry. */
|
||||
struct bt_gatt_ccc_cfg {
|
||||
/*! Config peer address. */
|
||||
bt_addr_le_t peer;
|
||||
/*! Config peer value. */
|
||||
uint16_t value;
|
||||
/*! Config valid flag. */
|
||||
uint8_t valid;
|
||||
};
|
||||
|
||||
/* Internal representation of CCC value */
|
||||
struct _bt_gatt_ccc {
|
||||
struct bt_gatt_ccc_cfg *cfg;
|
||||
size_t cfg_len;
|
||||
|
|
@ -321,17 +437,17 @@ struct _bt_gatt_ccc {
|
|||
void (*cfg_changed)(uint16_t value);
|
||||
};
|
||||
|
||||
/** @brief Read Client Characteristic Configuration Attribute helper
|
||||
/*! @brief Read Client Characteristic Configuration Attribute helper.
|
||||
*
|
||||
* Read CCC attribute value storing the result into buffer after
|
||||
* enconding it.
|
||||
* NOTE: Only use this with attributes which user_data is a _bt_gatt_ccc.
|
||||
*
|
||||
* @param peer remote address
|
||||
* @param attr attribute to read
|
||||
* @param buf buffer to store the value read
|
||||
* @param len buffer length
|
||||
* @param offset start offset
|
||||
* @param peer remote address.
|
||||
* @param attr attribute to read.
|
||||
* @param buf buffer to store the value read.
|
||||
* @param len buffer length.
|
||||
* @param offset start offset.
|
||||
*
|
||||
* @return number of bytes read in case of success or negative values in
|
||||
* case of error.
|
||||
|
|
@ -340,16 +456,16 @@ int bt_gatt_attr_read_ccc(const bt_addr_le_t *peer,
|
|||
const struct bt_gatt_attr *attr, void *buf,
|
||||
uint8_t len, uint16_t offset);
|
||||
|
||||
/** @brief Write Client Characteristic Configuration Attribute helper
|
||||
/*! @brief Write Client Characteristic Configuration Attribute helper.
|
||||
*
|
||||
* Write value in the buffer into CCC attribute.
|
||||
* NOTE: Only use this with attributes which user_data is a _bt_gatt_ccc.
|
||||
*
|
||||
* @param peer remote address
|
||||
* @param attr attribute to read
|
||||
* @param buf buffer to store the value read
|
||||
* @param len buffer length
|
||||
* @param offset start offset
|
||||
* @param peer remote address.
|
||||
* @param attr attribute to read.
|
||||
* @param buf buffer to store the value read.
|
||||
* @param len buffer length.
|
||||
* @param offset start offset.
|
||||
*
|
||||
* @return number of bytes written in case of success or negative values in
|
||||
* case of error.
|
||||
|
|
@ -358,14 +474,15 @@ int bt_gatt_attr_write_ccc(const bt_addr_le_t *peer,
|
|||
const struct bt_gatt_attr *attr, const void *buf,
|
||||
uint8_t len, uint16_t offset);
|
||||
|
||||
/** @brief Client Characteristic Configuration Declaration Macro
|
||||
/*! @def BT_GATT_CCC
|
||||
* @brief Client Characteristic Configuration Declaration Macro.
|
||||
*
|
||||
* Helper macro to declare a CCC attribute.
|
||||
*
|
||||
* @param _handle descriptor attribute handle
|
||||
* @param _value_handle characteristic attribute value handle
|
||||
* @param _cfg initial configuration
|
||||
* @param _cfg_changed configuration changed callback
|
||||
* @param _handle descriptor attribute handle.
|
||||
* @param _value_handle characteristic attribute value handle.
|
||||
* @param _cfg initial configuration.
|
||||
* @param _cfg_changed configuration changed callback.
|
||||
*/
|
||||
#define BT_GATT_CCC(_handle, _value_handle, _cfg, _cfg_changed) \
|
||||
{ \
|
||||
|
|
@ -381,12 +498,17 @@ int bt_gatt_attr_write_ccc(const bt_addr_le_t *peer,
|
|||
.cfg_changed = _cfg_changed, }),\
|
||||
}
|
||||
|
||||
/** @brief Descriptor Declaration Macro
|
||||
/*! @def BT_GATT_DESCRIPTOR
|
||||
* @brief Descriptor Declaration Macro.
|
||||
*
|
||||
* Helper macro to declare a descriptor attribute.
|
||||
*
|
||||
* @param _handle descriptor attribute handle
|
||||
* @param _value descriptor attribute value
|
||||
* @param _handle descriptor attribute handle.
|
||||
* @param _value descriptor attribute value.
|
||||
* @param _perm descriptor attribute access permissions.
|
||||
* @param _read descriptor attribute read callback.
|
||||
* @param _write descriptor attribute write callback.
|
||||
* @param _value descriptor attribute value.
|
||||
*/
|
||||
#define BT_GATT_DESCRIPTOR(_handle, _uuid, _perm, _read, _write, _value) \
|
||||
{ \
|
||||
|
|
@ -398,15 +520,15 @@ int bt_gatt_attr_write_ccc(const bt_addr_le_t *peer,
|
|||
.user_data = _value, \
|
||||
}
|
||||
|
||||
/** @brief Notify attribute value change
|
||||
/*! @brief Notify attribute value change.
|
||||
*
|
||||
* Send notification of attribute value change.
|
||||
* Note: This function should only be called if CCC is declared with
|
||||
* BT_GATT_CCC otherwise it cannot find a valid peer configuration.
|
||||
*
|
||||
* @param handle attribute handle
|
||||
* @param value attribute value
|
||||
* @param len attribute value length
|
||||
* @param handle attribute handle.
|
||||
* @param value attribute value.
|
||||
* @param len attribute value length.
|
||||
*/
|
||||
void bt_gatt_notify(uint16_t handle, const void *data, size_t len);
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue