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Bluetooth: GATT: Add support for Read Using Characteristic UUID

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This patch adds support for Read Using Characteristic UUID which is one
of the procedure to read the characteristic value especially when the
client only knows the characteristic UUID and does not know the handle
of the characteristic.

Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com>
This commit is contained in:
Tedd Ho-Jeong An 2019-04-15 09:56:03 -07:00 • committed by Johan Hedberg
commit 100f671bca
2 changed files with 42 additions and 1 deletions
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10
include/bluetooth/gatt.h
View file

@ -977,9 +977,14 @@ typedef u8_t (*bt_gatt_read_func_t)(struct bt_conn *conn, u8_t err,
* @param handle_count If equals to 1 single.handle and single.offset
* are used. If >1 Read Multiple Characteristic
* Values is performed and handles are used.
* If equals to 0 by_uuid is used for Read Using
* Characteristic UUID.
* @param handle Attribute handle
* @param offset Attribute data offset
* @param handles Handles to read in Read Multiple Characteristic Values
* @param start_handle First requested handle number
* @param end_handle Last requested handle number
* @param uuid 2 or 16 octet UUID
*/
struct bt_gatt_read_params {
struct bt_att_req _req;
@ -991,6 +996,11 @@ struct bt_gatt_read_params {
u16_t offset;
} single;
u16_t *handles;
struct {
u16_t start_handle;
u16_t end_handle;
struct bt_uuid *uuid;
} by_uuid;
};
};