Comments (7)
I'm not sure why this would be happening, I will need to investigate.
from nimble-arduino.
Thanks for this information, I will try this tomorrow and see if I can reproduce it.
from nimble-arduino.
Thank you, that would be much appreciated!
I tested it with your example code for the BLE server, and modified the setup to look like this:
// 1. Create the BLE Device
NimBLEDevice::init("My device");
NimBLEDevice::setMTU(517);
//NimBLEDevice::setSecurityAuth(BLE_SM_PAIR_AUTHREQ_BOND | BLE_SM_PAIR_AUTHREQ_MITM | BLE_SM_PAIR_AUTHREQ_SC);
// 2. Create the BLE server
pServer = NimBLEDevice::createServer();
pServer->setCallbacks(new MyServerCallbacks());
// 3. Create BLE Service
pDataService = pServer->createService(SERVICE_DATA_UUID);
pDataTxCharacteristic = pDataService->createCharacteristic(CHARACTERISTIC_DATA_TX_UUID,
NIMBLE_PROPERTY:: NOTIFY);
pDataCharacteristic = pDataService->createCharacteristic(CHARACTERISTIC_DATA_UUID,
NIMBLE_PROPERTY:: WRITE_NR | NIMBLE_PROPERTY::WRITE_ENC);
pDataCharacteristic->setCallbacks(new bleCallback());
pDataService->start();
I then tried to send BLE data from the LightBlue app on iOS, with WRITE
, the Pair
prompt shows up but not WRITE_NR
.
from nimble-arduino.
Fixed it by enforcing encryption on connect:
int b = NimBLEDevice::startSecurity(desc->conn_handle);
It works for now.
2 other issues that came up:
Enabling bonding disconnects automatically and does not attempt to reconnect. I had to go to iOS settings to forget the device to put it in a working state again.
NimBLEDevice::setSecurityAuth(BLE_SM_PAIR_AUTHREQ_BOND | /**BLE_SM_PAIR_AUTHREQ_MITM |*/ BLE_SM_PAIR_AUTHREQ_SC);
Also, I left the default max connections (3) as is, but it seems like only one device connect to it at one time.
from nimble-arduino.
hi @h2zero , any idea on what might be causing this or how to debug this?
NimBLEDevice::setSecurityAuth(true, false true);
Setting this seems to enable bonding, but my iOS is unable to reconnect to the device unless I forget the bond and pair it again.
from nimble-arduino.
Please try erasing the flash fully and try again to clear out any old bond info and try again.
from nimble-arduino.
Did all of that but didn't work.
I'm enforcing encryption on connect, and using iOS 17.2.1
from nimble-arduino.
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