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path: root/extmod/btstack/modbluetooth_btstack.c
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* extmod/btstack: Fix descriptor discovery handle range and events.Damien George2022-07-20
| | | | | | | | | | | | | | | | | | This fixes two problems with the BTstack implementation of descriptor discovery: - The call to gatt_client_discover_characteristic_descriptors needs to have value_handle set to the starting handle (actually characteristic handle) to start the search from. - The BTstack event for a descriptor query result is GATT_EVENT_ALL_CHARACTERISTIC_DESCRIPTORS_QUERY_RESULT. With this change the test tests/multi_bluetooth/ble_subscribe.py now passes when BTstack is instance1 (for BTstack to pass as instance0 requires gatts_write to support sending an update on BTstack). Signed-off-by: Damien George <damien@micropython.org>
* extmod/btstack: Use MP_REGISTER_ROOT_POINTER().David Lechner2022-07-18
| | | | | | | | This uses MP_REGISTER_ROOT_POINTER() to register bluetooth_btstack_root_pointers and removes the same from all mpconfigport.h. Signed-off-by: David Lechner <david@pybricks.com>
* extmod/modbluetooth: Support gap_connect(None) to cancel a connection.Jonathan Hogg2021-12-01
| | | | Allow cancellation of in-progress peripheral connections.
* extmod/modbluetooth: Add connection interval to gap_connect.Jim Mussared2021-10-26
| | | | | | This forwards through directly to the NimBLE and BTStack connect functions. Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
* extmod/modbluetooth: Add send_update arg to gatts_write.Jim Mussared2021-08-14
| | | | | | | | This allows the write to trigger a notification or indication, but only to subscribed clients. This is different to gatts_notify/gatts_indicate, which will unconditionally notify/indicate. Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
* extmod/btstack: Check that BLE is active before performing operations.Damien George2021-06-23
| | | | | | Otherwise it can easily lead to a hard crash. Signed-off-by: Damien George <damien@micropython.org>
* extmod/modbluetooth: Separate enabling of "client" from "central".Jim Mussared2021-02-19
| | | | | | | | | | | | | | | | | | Previously, the MICROPY_PY_BLUETOOTH_ENABLE_CENTRAL_MODE macro controlled enabling both the central mode and the GATT client functionality (because usually the two go together). This commits adds a new MICROPY_PY_BLUETOOTH_ENABLE_GATT_CLIENT macro that separately enables the GATT client functionality. This defaults to MICROPY_PY_BLUETOOTH_ENABLE_CENTRAL_MODE. This also fixes a bug in the NimBLE bindings where a notification or indication would not be received by a peripheral (acting as client) as gap_event_cb wasn't handling it. Now both central_gap_event_cb and peripheral_gap_event_cb share the same common handler for these events. Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
* extmod/modbluetooth: Allow NimBLE to use Zephyr static address.Jim Mussared2021-02-17
| | | | | | Zephyr controllers can be queried for a static address (computed from the device ID). BlueKitchen already supports this, but make them both use the same macro to enable the feature.
* extmod/btstack: Add stub functions for passkey, l2cap bindings.Damien George2021-02-12
| | | | Signed-off-by: Damien George <damien@micropython.org>
* extmod/modbluetooth: Add gap_pair(conn_handle) func to intiate pairing.Jim Mussared2020-12-02
| | | | Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
* extmod/modbluetooth: Allow configuration of pairing/bonding parameters.Jim Mussared2020-12-02
| | | | | | This allows setting the security and MITM-protection requirements. Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
* extmod/modbluetooth: Add _IRQ_ENCRYPTION_UPDATE event.Andrew Leech2020-12-02
| | | | | | | 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>
* extmod/modbluetooth: Allow setting char/desc enc/auth options.Andrew Leech2020-12-02
| | | | | | | | | | | | This widens the characteristic/descriptor flags to 16-bit, to allow setting encryption/authentication requirements. Sets the required flags for NimBLE and btstack implementations. The BLE.FLAG_* constants will eventually be deprecated in favour of copy and paste Python constants (like the IRQs). Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
* extmod/modbluetooth: Add _IRQ_CONNECTION_UPDATE event.Andrew Leech2020-12-02
| | | | | | | This allows the application to be notified of changes to the connection interval, connection latency and supervision timeout. Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
* extmod/modbluetooth: Re-instate optional no-ringbuf modbluetooth.Jim Mussared2020-11-13
| | | | | | | | | | | | | This requires that the event handlers are called from non-interrupt context (i.e. the MicroPython scheduler). This will allow the BLE stack (e.g. NimBLE) to run from the scheduler rather than an IRQ like PENDSV, and therefore be able to invoke Python callbacks directly/synchronously. This allows writing Python BLE handlers for events that require immediate response such as _IRQ_READ_REQUEST (which was previous a hard IRQ) and future events relating to pairing/bonding. Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
* extmod/modbluetooth: Combine gattc-data-available callbacks into one.Jim Mussared2020-11-13
| | | | | | | | | | | Instead of having the stack indicate a "start", "data"..., "end", pass through the data in one callback as an array of chunks of data. This is because the upcoming non-ringbuffer modbluetooth implementation cannot buffer the data in the ringbuffer and requires instead a single callback with all the data, to pass to the Python callback. Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
* extmod/modbluetooth: Make UUID type accessible outside modbluetooth.c.Jim Mussared2020-11-13
| | | | Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
* extmod/modbluetooth: Implement MTU.Jim Mussared2020-09-18
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* extmod/btstack: Detect HCI UART init failure.Jim Mussared2020-09-08
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* extmod/btstack: Add btstack support for _IRQ_GATTS_READ_REQUEST.Andrew Leech2020-09-08
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* extmod/modbluetooth: Allow using mp_hal_get_mac as a static address.Jim Mussared2020-09-08
| | | | | | | | | | Generally a controller should either have its own public address hardcoded, or loaded by the driver (e.g. cywbt43). However, for a controller that has no public address where you still want a long-term stable address, this allows you to use a static address generated by the port. Typically on STM32 this will be an LAA, but a board might override this.
* extmod/modbluetooth: Implement configuration of address modes.Jim Mussared2020-09-08
| | | | | | Changes `BLE.config('mac')` to return a tuple (addr_mode, addr). Adds `BLE.config(addr_mode=...)` to set the addressing mode.
* extmod/modbluetooth: Refactor stack/hci/driver/port bindings.Jim Mussared2020-09-08
| | | | | | | Previously the interaction between the different layers of the Bluetooth stack was different on each port and each stack. This commit defines common interfaces between them and implements them for cyw43, btstack, nimble, stm32, unix.
* extmod/modbluetooth: Rename logging macro to be just DEBUG_printf.Jim Mussared2020-09-08
| | | | | And prefix the debug message with "btstack:" or "nimble:", depending on the context. Also use correct format specifier for %zu.
* extmod/bluetooth: Support active scanning in BLE.gap_scan().Andrew Leech2020-08-26
| | | | | | This adds an additional optional parameter to gap_scan() to select active scanning, where scan responses are returned as well as normal scan results. This parameter is False by default which retains the existing behaviour.
* extmod/btstack: Implement GAP scan duration_ms parameter.Jim Mussared2020-08-26
| | | | | This commit makes scanning work when duration_ms is set to zero. Prior to this it would not work with duration_ms set to zero.
* extmod/modbluetooth: Add event for "indicate acknowledgement".Jim Mussared2020-07-20
| | | | | | | | | | | | This commit adds the IRQ_GATTS_INDICATE_DONE BLE event which will be raised with the status of gatts_indicate (unlike notify, indications require acknowledgement). An example of its use is added to ble_temperature.py, and to the multitests in ble_characteristic.py. Implemented for btstack and nimble bindings, tested in both directions between unix/btstack and pybd/nimble.
* extmod/modbluetooth: Fix so it builds in peripheral-only mode.Jim Mussared2020-07-20
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* docs/library: Add gatts_indicate() doc to ubluetooth.rst.Jim Mussared2020-07-18
| | | | | Also clarify behavior of `gatts_notify` and add some TODOs about adding an event for indication acknowledgement.
* extmod/btstack: Schedule notify/indicate/write ops for bg completion.Jim Mussared2020-07-18
| | | | | | | | | | | | | | | | | | | | | | | | The goal of this commit is to allow using ble.gatts_notify() at any time, even if the stack is not ready to send the notification right now. It also addresses the same issue for ble.gatts_indicate() and ble.gattc_write() (without response). In addition this commit fixes the case where the buffer passed to write-with-response wasn't copied, meaning it could be modified by the caller, affecting the in-progress write. The changes are: - gatts_notify/indicate will now run in the background if the ACL buffer is currently full, meaning that notify/indicate can be called at any time. - gattc_write(mode=0) (no response) will now allow for one outstanding write. - gattc_write(mode=1) (with response) will now copy the buffer so that it can't be modified by the caller while the write is in progress. All four paths also now track the buffer while the operation is in progress, which prevents the GC free'ing the buffer while it's still needed.
* tools/codeformat.py: Include extmod/{btstack,nimble} in code formatting.Damien George2020-06-18
| | | | Signed-off-by: Damien George <damien@micropython.org>
* extmod/modbluetooth: Implement read done event.Jim Mussared2020-06-05
| | | | | | On btstack there's no status associated with the read result, it comes through as a separate event. This allows you to detect read failures or timeouts.
* extmod/modbluetooth: Allow discovery of svc/char by uuid.Jim Mussared2020-06-05
| | | | | In most situations this is a more efficient way of going straight to the service and characteristic you need.
* extmod/modbluetooth: Add discover complete events for svc/char/desc.Jim Mussared2020-06-05
| | | | | Without this it's difficult to implement a state machine correctly if the desired services are not found.
* extmod/modbluetooth: Add support for changing the GAP device name.Damien George2020-05-11
| | | | | | | | | | | | | | This commit allows the user to set/get the GAP device name used by service 0x1800, characteristic 0x2a00. The usage is: BLE.config(gap_name="myname") print(BLE.config("gap_name")) As part of this change the compile-time setting MICROPY_PY_BLUETOOTH_DEFAULT_NAME is renamed to MICROPY_PY_BLUETOOTH_DEFAULT_GAP_NAME to emphasise its link to GAP and this new "gap_name" config value. And the default value of this for the NimBLE bindings is changed from "PYBD" to "MPY NIMBLE" to be more generic.
* extmod/modbluetooth: Fix sign compare and unused variable warnings.Jim Mussared2020-04-29
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* extmod/btstack: Implement more robust init/deinit sequencing.Jim Mussared2020-04-29
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* extmod/modbluetooth: Don't hold atomic section during mp_sched_schedule.Jim Mussared2020-04-29
| | | | | Because, for example, on unix the atomic section isn't re-entrant, and mp_sched_schedule() will try to re-acquire the atomic section.
* extmod/btstack: Pass through SCAN_RSP events.Damien George2020-04-07
| | | | | | | | The latest version of BTstack has a bug fixed so that it correctly configures scan parameters if they are set right after activating the stack. This means that BLE.gap_scan() will correctly set the scanning to passive and so SCAN_RSP events are not passed through, so we don't need to explicitly filter them in our bindings.
* extmod/modbluetooth: Change scan result's "connectable" to "adv_type".Damien George2020-03-11
| | | | | | | | | | | | | | | | | | | | | | | This commit changes the BLE _IRQ_SCAN_RESULT data from: addr_type, addr, connectable, rssi, adv_data to: addr_type, addr, adv_type, rssi, adv_data This allows _IRQ_SCAN_RESULT to handle all scan result types (not just connectable and non-connectable passive scans), and to distinguish between them using adv_type which is an integer taking values 0x00-0x04 per the BT specification. This is a breaking change to the API, albeit a very minor one: the existing connectable value was a boolean and True now becomes 0x00, False becomes 0x02. Documentation is updated and a test added. Fixes #5738.
* extmod/nimble: Clarify active state and check for active in all methods.Jim Mussared2020-03-11
| | | | | | | This commit ensures that the BLE stack is active before allowing operations that may otherwise crash if it's not active. It also clarifies the state better (adding the "stopping" state) and renames mp_bluetooth_is_enabled to the more self-explanatory mp_bluetooth_is_active.
* extmod/btstack: Implement notifications/indications for GATT clients.Damien George2020-03-10
| | | | Work done in collaboration with Jim Mussared aka @jimmo.
* extmod/btstack: Implement scan and gatt client, connect and disconnect.Damien George2020-03-10
| | | | Work done in collaboration with Jim Mussared aka @jimmo.
* extmod/btstack: Implement gatts_db for btstack.Damien George2020-03-10
| | | | Work done in collaboration with Jim Mussared aka @jimmo.
* extmod/btstack: Implement service registration.Damien George2020-03-10
| | | | Work done in collaboration with Jim Mussared aka @jimmo.
* extmod/btstack: Implement advertising.Damien George2020-03-10
| | | | Work done in collaboration with Jim Mussared aka @jimmo.
* extmod/btstack: Add empty modbluetooth implementation.Damien George2020-03-10
Work done in collaboration with Jim Mussared aka @jimmo.
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