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# Changelog
All notable changes to this project will be documented in this file.
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## [1.2.0] - 2021-02-08
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### Added
- `NimBLECharacteristic::getDescriptorByHandle` : Return the BLE Descriptor for the given handle.
- `NimBLEDescriptor::getStringValue` : Get the value of this descriptor as a string.
- `NimBLEServer::getServiceByHandle` : Get a service by its handle.
- `NimBLEService::getCharacteristicByHandle` : Get a pointer to the characteristic object with the specified handle.
- `NimBLEService::getCharacteristics` : Get the vector containing pointers to each characteristic associated with this service.
Overloads to get a vector containing pointers to all the characteristics in a service with the UUID. (supports multiple same UUID's in a service)
- `NimBLEService::getCharacteristics(const char *uuid)`
- `NimBLEService::getCharacteristics(const NimBLEUUID &uuid)`
- `NimBLEAdvertisementData` New methods:
- `NimBLEAdvertisementData::addTxPower` : Adds transmission power to the advertisement.
- `NimBLEAdvertisementData::setPreferredParams` : Adds connection parameters to the advertisement.
- `NimBLEAdvertisementData::setURI` : Adds URI data to the advertisement.
- `NimBLEAdvertising` New methods:
- `NimBLEAdvertising::setName` : Set the name advertised.
- `NimBLEAdvertising::setManufacturerData` : Adds manufacturer data to the advertisement.
- `NimBLEAdvertising::setURI` : Adds URI data to the advertisement.
- `NimBLEAdvertising::setServiceData` : Adds service data to the advertisement.
- `NimBLEAdvertising::addTxPower` : Adds transmission power to the advertisement.
- `NimBLEAdvertising::reset` : Stops the current advertising and resets the advertising data to the default values.
- `NimBLEDevice::setScanFilterMode` : Set the controller duplicate filter mode for filtering scanned devices.
- `NimBLEDevice::setScanDuplicateCacheSize` : Sets the number of advertisements filtered before the cache is reset.
- `NimBLEScan::setMaxResults` : This allows for setting a maximum number of advertised devices stored in the results vector.
- `NimBLEAdvertisedDevice` New data retrieval methods added:
- `haveAdvInterval/getAdvInterval` : checks if the interval is advertised / gets the advertisement interval value.
- `haveConnParams/getMinInterval/getMaxInterval` : checks if the parameters are advertised / get min value / get max value.
- `haveURI/getURI` : checks if a URI is advertised / gets the URI data.
- `haveTargetAddress/getTargetAddressCount/getTargetAddress(index)` : checks if a target address is present / gets a count of the addresses targeted / gets the address of the target at index.
### Changed
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- `nimconfig.h` (Arduino) is now easier to use.
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- `NimBLEServer::getServiceByUUID` Now takes an extra parameter of instanceID to support multiple services with the same UUID.
- `NimBLEService::getCharacteristic` Now takes an extra parameter of instanceID to support multiple characteristics with the same UUID.
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- `NimBLEAdvertising` Transmission power is no longer advertised by default and can be added to the advertisement by calling `NimBLEAdvertising::addTxPower`
- `NimBLEAdvertising` Custom scan response data can now be used without custom advertisment.
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- `NimBLEScan` Now uses the controller duplicate filter.
- `NimBLEAdvertisedDevice` Has been refactored to store the complete advertisement payload and no longer parses the data from each advertisement.
Instead the data will be parsed on-demand when the user application asks for specific data.
### Fixed
- `NimBLEHIDDevice` Characteristics now use encryption, this resolves an issue with communicating with devices requiring encryption for HID devices.
2021-01-20 23:20:11 +01:00
## [1.1.0] - 2021-01-20
2020-10-14 03:48:33 +02:00
### Added
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- `NimBLEDevice::setOwnAddrType` added to enable the use of random and random-resolvable addresses, by asukiaaa
- New examples for securing and authenticating client/server connections, by mblasee.
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- `NimBLEAdvertising::SetMinPreferred` and `NimBLEAdvertising::SetMinPreferred` re-added.
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- Conditional checks added for command line config options in `nimconfig.h` to support custom configuration in platformio.
- `NimBLEClient::setValue` Now takes an extra bool parameter `response` to enable the use of write with response (default = false).
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- `NimBLEClient::getCharacteristic(uint16_t handle)` Enabling the use of the characteristic handle to be used to find
the NimBLERemoteCharacteristic object.
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- `NimBLEHIDDevice` class added by wakwak-koba.
- `NimBLEServerCallbacks::onDisconnect` overloaded callback added to provide a ble_gap_conn_desc parameter for the application
to obtain information about the disconnected client.
- Conditional checks in `nimconfig.h` for command line defined macros to support platformio config settings.
2020-10-14 03:48:33 +02:00
### Changed
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- `NimBLEAdvertising::start` now returns a bool value to indicate success/failure.
- Some asserts were removed in `NimBLEAdvertising::start` and replaced with better return code handling and logging.
- If a host reset event occurs, scanning and advertising will now only be restarted if their previous duration was indefinite.
2020-12-25 03:59:14 +01:00
- `NimBLERemoteCharacteristic::subscribe` and `NimBLERemoteCharacteristic::registerForNotify` will now set the callback
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regardless of the existance of the CCCD and return true unless the descriptor write operation failed.
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- Advertising tx power level is now sent in the advertisement packet instead of scan response.
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- `NimBLEScan` When the scan ends the scan stopped flag is now set before calling the scan complete callback (if used)
this allows the starting of a new scan from the callback function.
2020-12-20 07:05:54 +01:00
### Fixed
2021-01-14 19:40:27 +01:00
- Sometimes `NimBLEClient::connect` would hang on the task block if no event arrived to unblock.
A time limit has been added to timeout appropriately.
- When getting descriptors for a characterisic the end handle of the service was used as a proxy for the characteristic end
handle. This would be rejected by some devices and has been changed to use the next characteristic handle as the end when possible.
- An exception could occur when deleting a client instance if a notification arrived while the attribute vectors were being
deleted. A flag has been added to prevent this.
- An exception could occur after a host reset event when the host re-synced if the tasks that were stopped during the event did
not finish processing. A yield has been added after re-syncing to allow tasks to finish before proceeding.
- Occasionally the controller would fail to send a disconnected event causing the client to indicate it is connected
and would be unable to reconnect. A timer has been added to reset the host/controller if it expires.
- Occasionally the call to start scanning would get stuck in a loop on BLE_HS_EBUSY, this loop has been removed.
- 16bit and 32bit UUID's in some cases were not discovered or compared correctly if the device
advertised them as 16/32bit but resolved them to 128bits. Both are now checked.
2020-12-24 23:05:32 +01:00
- `FreeRTOS` compile errors resolved in latest Ardruino core and IDF v3.3.
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- Multiple instances of `time()` called inside critical sections caused sporadic crashes, these have been moved out of critical regions.
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- Advertisement type now correctly set when using non-connectable (advertiser only) mode.
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- Advertising payload length correction, now accounts for appearance.
- (Arduino) Ensure controller mode is set to BLE Only.
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2020-09-14 05:37:13 +02:00
## [1.0.2] - 2020-09-13
### Changed
- `NimBLEAdvertising::start` Now takes 2 optional parameters, the first is the duration to advertise for (in seconds), the second is a
callback that is invoked when advertsing ends and takes a pointer to a `NimBLEAdvertising` object (similar to the `NimBLEScan::start` API).
- (Arduino) Maximum BLE connections can now be altered by only changing the value of `CONFIG_BT_NIMBLE_MAX_CONNECTIONS` in `nimconfig.h` .
Any changes to the controller max connection settings in `sdkconfig.h` will now have no effect when using this library.
- (Arduino) Revert the previous change to fix the advertising start delay. Instead a replacement fix that routes all BLE controller commands from
a task running on core 0 (same as the controller) has been implemented. This improves response times and reliability for all BLE functions.
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## [1.0.1] - 2020-09-02
### Added
- Empty `NimBLEAddress` constructor: `NimBLEAddress()` produces an address of 00:00:00:00:00:00 type 0.
- Documentation of the difference of NimBLEAddress::getNative vs the original bluedroid library.
### Changed
- notify_callback typedef is now defined as std::function to enable the use of std::bind to call a class member function.
### Fixed
- Fix advertising start delay when first called.
## [1.0.0] - 2020-08-22
First stable release.
All the original library functionality is complete and many extras added with full documentation.
