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Bluetooth: GATT: Add bt_gatt_foreach_attr_type

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This adds bt_gatt_foreach_attr_type which can match attribute by UUID
and/or attribute user_data, in addition of that the user can also limit
the number of matches.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Luiz Augusto von Dentz 2019-05-24 15:24:12 +03:00 • committed by Johan Hedberg
commit a5c07aa7fb
2 changed files with 65 additions and 8 deletions
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27
include/bluetooth/gatt.h
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@ -339,6 +339,24 @@ enum {
typedef u8_t (*bt_gatt_attr_func_t)(const struct bt_gatt_attr *attr,
void *user_data);
/** @brief Attribute iterator by type.
*
* Iterate attributes in the given range matching given UUID and/or data.
*
* @param start_handle Start handle.
* @param end_handle End handle.
* @param uuid UUID to match, passing NULL skips UUID matching.
* @param attr_data Attribute data to match, passing NULL skips data matching.
* @param num_matches Number matches, passing 0 makes it unlimited.
* @param func Callback function.
* @param user_data Data to pass to the callback.
*/
void bt_gatt_foreach_attr_type(u16_t start_handle, u16_t end_handle,
const struct bt_uuid *uuid,
const void *attr_data, uint16_t num_matches,
bt_gatt_attr_func_t func,
void *user_data);
/** @brief Attribute iterator.
*
* Iterate attributes in the given range.
@ -348,8 +366,13 @@ typedef u8_t (*bt_gatt_attr_func_t)(const struct bt_gatt_attr *attr,
* @param func Callback function.
* @param user_data Data to pass to the callback.
*/
void bt_gatt_foreach_attr(u16_t start_handle, u16_t end_handle,
bt_gatt_attr_func_t func, void *user_data);
static inline void bt_gatt_foreach_attr(u16_t start_handle, u16_t end_handle,
bt_gatt_attr_func_t func,
void *user_data)
{
bt_gatt_foreach_attr_type(start_handle, end_handle, NULL, NULL, 0, func,
user_data);
}
/** @brief Iterate to the next attribute
*