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Bluetooth: GATT: Indicate service changes when reconnecting

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If peer has previously configure to received service changes indications
any changes to the database during the time it has been disconnected
shall be indicated once it reconnects:

[bt] [DBG] sc_process: (0x004065b4) start 0x000a end 0x0014
[bt] [DBG] sc_save: (0x004065b4) peer b8:8a:60:d8:17:d7 (public)
 start 0x000a end 0x0014
[bt] [DBG] bt_gatt_connected: (0x00405240) conn 0x00405aa0
[bt] [DBG] gatt_ccc_changed: (0x00405240) ccc 0x00400b30 value 0x0002
[bt] [DBG] sc_ccc_cfg_changed: (0x00405240) value 0x0002
[bt] [DBG] sc_restore: (0x00405240) peer b8:8a:60:d8:17:d7 (public)
 start 0x000a end 0x0014
[bt] [DBG] sc_process: (0x004065b4) start 0x000a end 0x0014
[bt] [DBG] gatt_indicate: (0x004065b4) conn 0x00405aa0 handle 0x0008
[bt] [DBG] sc_indicate_rsp: (0x00405240) err 0x00

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Luiz Augusto von Dentz 2017-07-21 12:49:51 +03:00 • committed by Johan Hedberg
commit cf913738c5
2 changed files with 101 additions and 29 deletions
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11
include/bluetooth/gatt.h
View file

@ -488,14 +488,17 @@ ssize_t bt_gatt_attr_read_chrc(struct bt_conn *conn,
#define BT_GATT_CCC_MAX (CONFIG_BLUETOOTH_MAX_PAIRED + \
CONFIG_BLUETOOTH_MAX_CONN)
/** @brief GATT CCC configuration entry. */
/** @brief GATT CCC configuration entry.
* @param valid Valid flag
* @param peer Remote peer address
* @param value Configuration value.
* @param data Configuration pointer data.
*/
struct bt_gatt_ccc_cfg {
/** Config valid flag. */
u8_t valid;
/** Config peer address. */
bt_addr_le_t peer;
/** Config peer value. */
u16_t value;
u8_t data[4] __aligned(4);
};
/* Internal representation of CCC value */