ScStw/esp-nimble-cpp
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14 commits

Author SHA1 Message Date
h2zero
6be6a111d0
[Server] Implement remove Characteristics/Descriptors. (#54) 
This allows for adding and removing of characteristics and descriptors after initial setup of the server.
When used it will send a service changed notification to all clients.
The changes will not take effect until all clients have disconnected and advertising restarted.
 2021-07-30 20:56:52 -06:00
h2zero
0a2714c169
[Server] Add callback for MTU change. (#55) 
onMTUChange callback added that is called when a connection MTU is updated.
 2021-07-19 21:47:59 -06:00
h2zero
b62358a520 Remove task notification for server indications. 
This resolves an issue when sending an indication from a callback that can cause the server to hang.
 2021-05-17 14:08:02 -06:00
h2zero
62d1f67d8b Add connection info class and access methods to server and client. 
This adds the ability to access information about the current connection.
A new class was created to wrap the struct ble_gap_conn_desc with methods to retrieve the connection information.

Example server use:
```
for(auto i=0; i<pServer->getConnectedCount();i++) {
    NimBLEConnInfo connInfo = pServer->getPeerInfo(i);
    printf("Connected client %d info:\n", i);
    printf("Peer address: %s\n", connInfo.getAddress().toString().c_str());
    printf("Peer ID address: %s\n", connInfo.getIdAddress().toString().c_str());
    printf("Handle: %u\n", connInfo.getConnHandle());
    printf("Interval: %u\n", connInfo.getConnInterval());
    printf("Timeout: %u\n", connInfo.getConnTimeout());
    printf("Latency: %u\n", connInfo.getConnLatency());
    printf("MTU: %u\n", connInfo.getMTU());
    printf("Master: %s\n", connInfo.isMaster()? "true":"false");
    printf("Slave: %s\n", connInfo.isSlave()? "true":"false");
    printf("Bonded: %s\n", connInfo.isBonded()? "true":"false");
    printf("Authenticated: %s\n", connInfo.isAuthenticated()? "true":"false");
    printf("Encrypted: %s\n", connInfo.isEncrypted()? "true":"false");
    printf("Encryption Key Size: %u\n", connInfo.getSecKeySize());
}
```

Example client use:
```
if (pClient->isConnected()) {
    NimBLEConnInfo connInfo = pClient->getConnInfo();
    printf("Connection info:\n");
    printf("Peer address: %s\n", connInfo.getAddress().toString().c_str());
    printf("Peer ID address: %s\n", connInfo.getIdAddress().toString().c_str());
    printf("Handle: %u\n", connInfo.getConnHandle());
    printf("Interval: %u\n", connInfo.getConnInterval());
    printf("Timeout: %u\n", connInfo.getConnTimeout());
    printf("Latency: %u\n", connInfo.getConnLatency());
    printf("MTU: %u\n", connInfo.getMTU());
    printf("Master: %s\n", connInfo.isMaster()? "true":"false");
    printf("Slave: %s\n", connInfo.isSlave()? "true":"false");
    printf("Bonded: %s\n", connInfo.isBonded()? "true":"false");
    printf("Authenticated: %s\n", connInfo.isAuthenticated()? "true":"false");
    printf("Encrypted: %s\n", connInfo.isEncrypted()? "true":"false");
    printf("Encryption Key Size: %u\n", connInfo.getSecKeySize());
}
```
 2021-05-07 09:02:43 -06:00
David Robertson
7dd4d68806
[NimBLEServer] Support duplicate characteristics (#36) 
* Add method to get all characteristics of a service

* Added method on NimBLEDescriptor to get the value out as a std::string

* Added methods to get things by handle where UUID could be used already.

* Added helper methods for getting a list of characteristics with a given UUID and service

* Demote the warning log for adding duplicate characteristics to a debug level log.

* Add methods to get services and characteristics using UUID + index
 2021-02-08 08:28:32 -07:00
h2zero
a85ac6ad5a Add connection desc param to disconnect callback. 2020-12-04 19:03:52 -07:00
h2zero
abdf6cda35
Add clearAll parameter to deinit() (#22) 
* Add clearAll parameter to deinit()

Adds the ability to clear all resources consumed during BLE operation when deinitializing and shutting down BLE.
Useful when BLE is used intermittently or in a task that initializes, performs operations then deinitializes.

By setting the clearAll parameter to true all created BLE objects will be deleted, freeing the memory for other tasks.

Warning: This will invalidate any pointers that may be referencing the deleted objects.

* Add bool deleteCallbacks parameter to NimBLEServer::setCallbacks, if true (default) will delete the callback class when server is destructed.

* Delete scan results when scan is destructed.
 2020-07-28 20:57:33 -06:00
h2zero
2a5df0c905
Add feature: remove service (#17) 
* Get service handles on server start

* remove service + indicate service changed

* Reset gatt services when no connections active and services changed.

* NimBLEServer::createService can now be used any time and will send service changed
indication if server was already active.

* Add ability to remove advertised serviceUUIDS

* Adds addService() method to server to be allow user to re-add a service previously removed

* Add destructior to NimBLEServer, NimBLEService and NimBLECharacteristic to release allocated resources.
 2020-07-13 21:24:07 -06:00
h2zero
aae2a8f1e3
Fix comments for doxygen (#16) 
* Fix comments for doxygen

* Add documentation and update readme.
 2020-07-08 19:27:26 -06:00
h2zero
74f48f5d5e Remove semaphores, use task notifications instead. 2020-06-11 08:06:16 -06:00
h2zero
e987ad58b2 Refactor server code to use vectors instead of maps. 
* Use critical sections to access characteristic/descriptor value data.

* Remove unnecessary code

* Create characteristic semaphore only if needed for indications.

* Fix advertising when not broadcasting a service.
 2020-06-07 18:42:28 -06:00
h2zero
03cb7b21d9 Conditionally compile code for specific roles. 
This allows NimBLE options in menuconfig to reduce code size based on
the roles selected (scan/advertising/central/peripheral).

Significant code space can be saved by removing unnecessary roles for the application.
 2020-05-13 22:03:56 -06:00
h2zero
f0191eb1e6 Add ==,!= operators to NimBLEAddress, pass parameters by const reference. 2020-05-10 07:21:46 -06:00
h2zero
5d4332e945 Initial commit. 2020-03-29 17:44:20 -06:00