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extmod/modbluetooth: Add _IRQ_ENCRYPTION_UPDATE event.

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This allows the application to be notified if any of encrypted,
authenticated and bonded state change, as well as the encryption key size.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
This commit is contained in:
Andrew Leech
2020-11-04 18:21:59 +11:00
committed by Damien George
parent ac89267fef
commit 05fef8c6a4
5 changed files with 72 additions and 1 deletions
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29
extmod/btstack/modbluetooth_btstack.c
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@@ -359,6 +359,35 @@ STATIC void btstack_packet_handler(uint8_t packet_type, uint8_t *packet, uint8_t
DEBUG_printf(" --> btstack # conns changed\n");
} else if (event_type == HCI_EVENT_VENDOR_SPECIFIC) {
DEBUG_printf(" --> hci vendor specific\n");
} else if (event_type == SM_EVENT_AUTHORIZATION_RESULT ||
event_type == SM_EVENT_PAIRING_COMPLETE ||
// event_type == GAP_EVENT_DEDICATED_BONDING_COMPLETED || // No conn_handle
event_type == HCI_EVENT_ENCRYPTION_CHANGE) {
DEBUG_printf(" --> enc/auth/pair/bond change\n", );
#if MICROPY_PY_BLUETOOTH_ENABLE_PAIRING_BONDING
uint16_t conn_handle;
switch (event_type) {
case SM_EVENT_AUTHORIZATION_RESULT:
conn_handle = sm_event_authorization_result_get_handle(packet);
break;
case SM_EVENT_PAIRING_COMPLETE:
conn_handle = sm_event_pairing_complete_get_handle(packet);
break;
case HCI_EVENT_ENCRYPTION_CHANGE:
conn_handle = hci_event_encryption_change_get_connection_handle(packet);
break;
default:
return;
}
hci_connection_t *hci_con = hci_connection_for_handle(conn_handle);
sm_connection_t *desc = &hci_con->sm_connection;
mp_bluetooth_gatts_on_encryption_update(conn_handle,
desc->sm_connection_encrypted,
desc->sm_connection_authenticated,
desc->sm_le_db_index != -1,
desc->sm_actual_encryption_key_size);
#endif // MICROPY_PY_BLUETOOTH_ENABLE_PAIRING_BONDING
} else if (event_type == HCI_EVENT_DISCONNECTION_COMPLETE) {
DEBUG_printf(" --> hci disconnect complete\n");
uint16_t conn_handle = hci_event_disconnection_complete_get_connection_handle(packet);