High level Bluetooth Low Energy API and radio abstraction layer
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Diff: ble/BLE.h
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- 716:11b41f651697
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ble/BLE.h Thu Jul 02 09:06:11 2015 +0100 @@ -0,0 +1,1342 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __BLE_H__ +#define __BLE_H__ + +#include "blecommon.h" +#include "Gap.h" +#include "GattServer.h" +#include "GattClient.h" +#include "BLEInstanceBase.h" + +/** + * The base class used to abstract away BLE capable radio transceivers or SOCs, + * to enable this BLE API to work with any radio transparently. + */ +class BLE +{ +public: + /** + * Initialize the BLE controller. This should be called before using + * anything else in the BLE_API. + * + * init() hands control to the underlying BLE module to accomplish + * initialization. This initialization may tacitly depend on other hardware + * setup (such as clocks or power-modes) which happens early on during + * system startup. It may not be safe to call init() from global static + * context where ordering is compiler specific and can't be guaranteed--it + * is safe to call BLE::init() from within main(). + */ + ble_error_t init(); + + /** + * Purge the BLE stack of GATT and GAP state. init() must be called + * afterwards to re-instate services and GAP state. This API offers a way to + * repopulate the GATT database with new services and characteristics. + */ + ble_error_t shutdown(void) { + clearAdvertisingPayload(); + return transport->shutdown(); + } + + /** + * This call allows the application to get the BLE stack version information. + * + * @return A pointer to a const string representing the version. + * Note: The string is owned by the BLE_API. + */ + const char *getVersion(void) { + return transport->getVersion(); + } + + /* + * Accessors to GAP. Please refer to Gap.h. All GAP related functionality requires + * going through this accessor. + */ + const Gap &gap() const { + return transport->getGap(); + } + Gap &gap() { + return transport->getGap(); + } + + /* + * Accessors to GATT Server. Please refer to GattServer.h. All GATTServer related + * functionality requires going through this accessor. + */ + const GattServer& gattServer() const { + return transport->getGattServer(); + } + GattServer& gattServer() { + return transport->getGattServer(); + } + + /* + * Accessors to GATT Client. Please refer to GattClient.h. All GATTClient related + * functionality requires going through this accessor. + */ + const GattClient& gattClient() const { + return transport->getGattClient(); + } + GattClient& gattClient() { + return transport->getGattClient(); + } + + /* + * Accessors to Security Manager. Please refer to SecurityManager.h. All + * SecurityManager related functionality requires going through this + * accessor. + */ + const SecurityManager& securityManager() const { + return transport->getSecurityManager(); + } + SecurityManager& securityManager() { + return transport->getSecurityManager(); + } + + /** + * Yield control to the BLE stack or to other tasks waiting for events. This + * is a sleep function which will return when there is an application + * specific interrupt, but the MCU might wake up several times before + * returning (to service the stack). This is not always interchangeable with + * WFE(). + */ + void waitForEvent(void) { + transport->waitForEvent(); + } + + /* + * Deprecation alert! + * All of the following are deprecated and may be dropped in a future + * release. Documentation should refer to alternative APIs. + */ + + /* GAP specific APIs. */ +public: + /** + * Set the BTLE MAC address and type. + * @return BLE_ERROR_NONE on success. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.setAddress(...) should be replaced with + * ble.gap().setAddress(...). + */ + ble_error_t setAddress(Gap::AddressType_t type, const Gap::Address_t address) { + return gap().setAddress(type, address); + } + + /** + * Fetch the BTLE MAC address and type. + * @return BLE_ERROR_NONE on success. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.getAddress(...) should be replaced with + * ble.gap().getAddress(...). + */ + ble_error_t getAddress(Gap::AddressType_t *typeP, Gap::Address_t address) { + return gap().getAddress(typeP, address); + } + + /** + * Set the GAP advertising mode to use for this device. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.setAdvertisingType(...) should be replaced with + * ble.gap().setAdvertisingType(...). + */ + void setAdvertisingType(GapAdvertisingParams::AdvertisingType advType) { + gap().setAdvertisingType(advType); + } + + /** + * @param[in] interval + * Advertising interval in units of milliseconds. Advertising + * is disabled if interval is 0. If interval is smaller than + * the minimum supported value, then the minimum supported + * value is used instead. This minimum value can be discovered + * using getMinAdvertisingInterval(). + * + * This field must be set to 0 if connectionMode is equal + * to ADV_CONNECTABLE_DIRECTED. + * + * @note: Decreasing this value will allow central devices to detect a + * peripheral faster at the expense of more power being used by the radio + * due to the higher data transmit rate. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.setAdvertisingInterval(...) should be replaced with + * ble.gap().setAdvertisingInterval(...). + * + * @note: [WARNING] This API previously used 0.625ms as the unit for its + * 'interval' argument. That required an explicit conversion from + * milliseconds using Gap::MSEC_TO_GAP_DURATION_UNITS(). This conversion is + * no longer required as the new units are milliseconds. Any application + * code depending on the old semantics would need to be updated accordingly. + */ + void setAdvertisingInterval(uint16_t interval) { + gap().setAdvertisingInterval(interval); + } + + /** + * @return Minimum Advertising interval in milliseconds. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.getMinAdvertisingInterval(...) should be replaced with + * ble.gap().getMinAdvertisingInterval(...). + */ + uint16_t getMinAdvertisingInterval(void) const { + return gap().getMinAdvertisingInterval(); + } + + /** + * @return Minimum Advertising interval in milliseconds for non-connectible mode. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.getMinNonConnectableAdvertisingInterval(...) should be replaced with + * ble.gap().getMinNonConnectableAdvertisingInterval(...). + */ + uint16_t getMinNonConnectableAdvertisingInterval(void) const { + return gap().getMinNonConnectableAdvertisingInterval(); + } + + /** + * @return Maximum Advertising interval in milliseconds. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.getMaxAdvertisingInterval(...) should be replaced with + * ble.gap().getMaxAdvertisingInterval(...). + */ + uint16_t getMaxAdvertisingInterval(void) const { + return gap().getMaxAdvertisingInterval(); + } + + /** + * @param[in] timeout + * Advertising timeout (in seconds) between 0x1 and 0x3FFF (1 + * and 16383). Use 0 to disable the advertising timeout. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.setAdvertisingTimeout(...) should be replaced with + * ble.gap().setAdvertisingTimeout(...). + */ + void setAdvertisingTimeout(uint16_t timeout) { + gap().setAdvertisingTimeout(timeout); + } + + /** + * Setup a particular, user-constructed set of advertisement parameters for + * the underlying stack. It would be uncommon for this API to be used + * directly; there are other APIs to tweak advertisement parameters + * individually (see above). + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.setAdvertisingParams(...) should be replaced with + * ble.gap().setAdvertisingParams(...). + */ + void setAdvertisingParams(const GapAdvertisingParams &advParams) { + gap().setAdvertisingParams(advParams); + } + + /** + * @return Read back advertising parameters. Useful for storing and + * restoring parameters rapidly. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.getAdvertisingParams(...) should be replaced with + * ble.gap().getAdvertisingParams(...). + */ + const GapAdvertisingParams &getAdvertisingParams(void) const { + return gap().getAdvertisingParams(); + } + + /** + * Accumulate an AD structure in the advertising payload. Please note that + * the payload is limited to 31 bytes. The SCAN_RESPONSE message may be used + * as an additional 31 bytes if the advertising payload proves to be too + * small. + * + * @param[in] flags + * The flags to be added. Please refer to + * GapAdvertisingData::Flags for valid flags. Multiple + * flags may be specified in combination. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.accumulateAdvertisingPayload(flags) should be replaced with + * ble.gap().accumulateAdvertisingPayload(flags). + */ + ble_error_t accumulateAdvertisingPayload(uint8_t flags) { + return gap().accumulateAdvertisingPayload(flags); + } + + /** + * Accumulate an AD structure in the advertising payload. Please note that + * the payload is limited to 31 bytes. The SCAN_RESPONSE message may be used + * as an additional 31 bytes if the advertising payload proves to be too + * small. + * + * @param[in] app + * The appearance of the peripheral. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.accumulateAdvertisingPayload(appearance) should be replaced with + * ble.gap().accumulateAdvertisingPayload(appearance). + */ + ble_error_t accumulateAdvertisingPayload(GapAdvertisingData::Appearance app) { + return gap().accumulateAdvertisingPayload(app); + } + + /** + * Accumulate an AD structure in the advertising payload. Please note that + * the payload is limited to 31 bytes. The SCAN_RESPONSE message may be used + * as an additional 31 bytes if the advertising payload proves to be too + * small. + * + * @param[in] app + * The max transmit power to be used by the controller. This + * is only a hint. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.accumulateAdvertisingPayloadTxPower(txPower) should be replaced with + * ble.gap().accumulateAdvertisingPayloadTxPower(txPower). + */ + ble_error_t accumulateAdvertisingPayloadTxPower(int8_t power) { + return gap().accumulateAdvertisingPayloadTxPower(power); + } + + /** + * Accumulate a variable length byte-stream as an AD structure in the + * advertising payload. Please note that the payload is limited to 31 bytes. + * The SCAN_RESPONSE message may be used as an additional 31 bytes if the + * advertising payload proves to be too small. + * + * @param type The type which describes the variable length data. + * @param data data bytes. + * @param len length of data. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.accumulateAdvertisingPayload(...) should be replaced with + * ble.gap().accumulateAdvertisingPayload(...). + */ + ble_error_t accumulateAdvertisingPayload(GapAdvertisingData::DataType type, const uint8_t *data, uint8_t len) { + return gap().accumulateAdvertisingPayload(type, data, len); + } + + /** + * Setup a particular, user-constructed advertisement payload for the + * underlying stack. It would be uncommon for this API to be used directly; + * there are other APIs to build an advertisement payload (see above). + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.setAdvertisingData(...) should be replaced with + * ble.gap().setAdvertisingPayload(...). + */ + ble_error_t setAdvertisingData(const GapAdvertisingData &advData) { + return gap().setAdvertisingPayload(advData); + } + + /** + * @return Read back advertising data. Useful for storing and + * restoring payload. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.getAdvertisingData(...) should be replaced with + * ble.gap().getAdvertisingPayload()(...). + */ + const GapAdvertisingData &getAdvertisingData(void) const { + return gap().getAdvertisingPayload(); + } + + /** + * Reset any advertising payload prepared from prior calls to + * accumulateAdvertisingPayload(). This automatically propagates the re- + * initialized adv payload to the underlying stack. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.clearAdvertisingPayload(...) should be replaced with + * ble.gap().clearAdvertisingPayload(...). + */ + void clearAdvertisingPayload(void) { + gap().clearAdvertisingPayload(); + } + + /** + * This API is *deprecated* and resolves to a no-operation. It is left here + * to allow older code to compile. Please avoid using this API in new code. + * This API will be dropped in a future release. + * + * Formerly, it would be used to dynamically reset the accumulated advertising + * payload and scanResponse; to do this, the application would clear and re- + * accumulate a new advertising payload (and scanResponse) before using this + * API. Updates to the underlying advertisement payload now happen + * implicitly. + */ + ble_error_t setAdvertisingPayload(void) { + return BLE_ERROR_NONE; + } + + /** + * Accumulate a variable length byte-stream as an AD structure in the + * scanResponse payload. + * + * @param[in] type The type which describes the variable length data. + * @param[in] data data bytes. + * @param[in] len length of data. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.accumulateScanResponse(...) should be replaced with + * ble.gap().accumulateScanResponse(...). + */ + ble_error_t accumulateScanResponse(GapAdvertisingData::DataType type, const uint8_t *data, uint8_t len) { + return gap().accumulateScanResponse(type, data, len); + } + + /** + * Reset any scan response prepared from prior calls to + * accumulateScanResponse(). + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.clearScanResponse(...) should be replaced with + * ble.gap().clearScanResponse(...). + */ + void clearScanResponse(void) { + gap().clearScanResponse(); + } + + /** + * Start advertising. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.startAdvertising(...) should be replaced with + * ble.gap().startAdvertising(...). + */ + ble_error_t startAdvertising(void) { + return gap().startAdvertising(); + } + + /** + * Stop advertising. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.stopAdvertising(...) should be replaced with + * ble.gap().stopAdvertising(...). + */ + ble_error_t stopAdvertising(void) { + return gap().stopAdvertising(); + } + + /** + * Setup parameters for GAP scanning--i.e. observer mode. + * @param[in] interval + * Scan interval (in milliseconds) [valid values lie between 2.5ms and 10.24s]. + * @param[in] window + * Scan Window (in milliseconds) [valid values lie between 2.5ms and 10.24s]. + * @param[in] timeout + * Scan timeout (in seconds) between 0x0001 and 0xFFFF, 0x0000 disables timeout. + * @param[in] activeScanning + * Set to True if active-scanning is required. This is used to fetch the + * scan response from a peer if possible. + * + * The scanning window divided by the interval determines the duty cycle for + * scanning. For example, if the interval is 100ms and the window is 10ms, + * then the controller will scan for 10 percent of the time. It is possible + * to have the interval and window set to the same value. In this case, + * scanning is continuous, with a change of scanning frequency once every + * interval. + * + * Once the scanning parameters have been configured, scanning can be + * enabled by using startScan(). + * + * @Note: The scan interval and window are recommendations to the BLE stack. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.setScanParams(...) should be replaced with + * ble.gap().setScanParams(...). + */ + ble_error_t setScanParams(uint16_t interval = GapScanningParams::SCAN_INTERVAL_MAX, + uint16_t window = GapScanningParams::SCAN_WINDOW_MAX, + uint16_t timeout = 0, + bool activeScanning = false) { + return gap().setScanParams(interval, window, timeout, activeScanning); + } + + /** + * Setup the scanInterval parameter for GAP scanning--i.e. observer mode. + * @param[in] interval + * Scan interval (in milliseconds) [valid values lie between 2.5ms and 10.24s]. + * + * The scanning window divided by the interval determines the duty cycle for + * scanning. For example, if the interval is 100ms and the window is 10ms, + * then the controller will scan for 10 percent of the time. It is possible + * to have the interval and window set to the same value. In this case, + * scanning is continuous, with a change of scanning frequency once every + * interval. + * + * Once the scanning parameters have been configured, scanning can be + * enabled by using startScan(). + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.setScanInterval(interval) should be replaced with + * ble.gap().setScanInterval(interval). + */ + ble_error_t setScanInterval(uint16_t interval) { + return gap().setScanInterval(interval); + } + + /** + * Setup the scanWindow parameter for GAP scanning--i.e. observer mode. + * @param[in] window + * Scan Window (in milliseconds) [valid values lie between 2.5ms and 10.24s]. + * + * The scanning window divided by the interval determines the duty cycle for + * scanning. For example, if the interval is 100ms and the window is 10ms, + * then the controller will scan for 10 percent of the time. It is possible + * to have the interval and window set to the same value. In this case, + * scanning is continuous, with a change of scanning frequency once every + * interval. + * + * Once the scanning parameters have been configured, scanning can be + * enabled by using startScan(). + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.setScanWindow(window) should be replaced with + * ble.gap().setScanWindow(window). + */ + ble_error_t setScanWindow(uint16_t window) { + return gap().setScanWindow(window); + } + + /** + * Setup parameters for GAP scanning--i.e. observer mode. + * @param[in] timeout + * Scan timeout (in seconds) between 0x0001 and 0xFFFF, 0x0000 disables timeout. + * + * The scanning window divided by the interval determines the duty cycle for + * scanning. For example, if the interval is 100ms and the window is 10ms, + * then the controller will scan for 10 percent of the time. It is possible + * to have the interval and window set to the same value. In this case, + * scanning is continuous, with a change of scanning frequency once every + * interval. + * + * Once the scanning parameters have been configured, scanning can be + * enabled by using startScan(). + * + * @Note: The scan interval and window are recommendations to the BLE stack. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.setScanTimeout(...) should be replaced with + * ble.gap().setScanTimeout(...). + */ + ble_error_t setScanTimeout(uint16_t timeout) { + return gap().setScanTimeout(timeout); + } + + /** + * Setup parameters for GAP scanning--i.e. observer mode. + * @param[in] activeScanning + * Set to True if active-scanning is required. This is used to fetch the + * scan response from a peer if possible. + * + * Once the scanning parameters have been configured, scanning can be + * enabled by using startScan(). + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.setActiveScan(...) should be replaced with + * ble.gap().setActiveScanning(...). + */ + void setActiveScan(bool activeScanning) { + gap().setActiveScanning(activeScanning); + } + + /** + * Start scanning (Observer Procedure) based on the parameters currently in + * effect. + * + * @param[in] callback + * The application specific callback to be invoked upon + * receiving every advertisement report. This can be passed in + * as NULL, in which case scanning may not be enabled at all. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.startScan(callback) should be replaced with + * ble.gap().startScan(callback). + */ + ble_error_t startScan(void (*callback)(const Gap::AdvertisementCallbackParams_t *params)) { + return gap().startScan(callback); + } + + /** + * Same as above, but this takes an (object, method) pair for a callback. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.startScan(callback) should be replaced with + * ble.gap().startScan(object, callback). + */ + template<typename T> + ble_error_t startScan(T *object, void (T::*memberCallback)(const Gap::AdvertisementCallbackParams_t *params)); + + /** + * Stop scanning. The current scanning parameters remain in effect. + * + * @retval BLE_ERROR_NONE if successfully stopped scanning procedure. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.stopScan() should be replaced with + * ble.gap().stopScan(). + */ + ble_error_t stopScan(void) { + return gap().stopScan(); + } + + /** + * Create a connection (GAP Link Establishment). + * @param peerAddr + * 48-bit address, LSB format. + * @param peerAddrType + * Address type of the peer. + * @param connectionParams + * Connection parameters. + * @param scanParams + * Paramters to be used while scanning for the peer. + * @return BLE_ERROR_NONE if connection establishment procedure is started + * successfully. The onConnection callback (if set) will be invoked upon + * a connection event. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.connect(...) should be replaced with + * ble.gap().connect(...). + */ + ble_error_t connect(const Gap::Address_t peerAddr, + Gap::AddressType_t peerAddrType = Gap::ADDR_TYPE_RANDOM_STATIC, + const Gap::ConnectionParams_t *connectionParams = NULL, + const GapScanningParams *scanParams = NULL) { + return gap().connect(peerAddr, peerAddrType, connectionParams, scanParams); + } + + /** + * This call initiates the disconnection procedure, and its completion will + * be communicated to the application with an invocation of the + * onDisconnection callback. + * + * @param[in] connectionHandle + * @param[in] reason + * The reason for disconnection to be sent back to the peer. + */ + ble_error_t disconnect(Gap::Handle_t connectionHandle, Gap::DisconnectionReason_t reason) { + return gap().disconnect(connectionHandle, reason); + } + + /** + * This call initiates the disconnection procedure, and its completion will + * be communicated to the application with an invocation of the + * onDisconnection callback. + * + * @param reason + * The reason for disconnection to be sent back to the peer. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.disconnect(reason) should be replaced with + * ble.gap().disconnect(reason). + * + * @note: this version of disconnect() doesn't take a connection handle. It + * will work reliably only for stacks which are limited to a single + * connection. This API should be considered *deprecated* in favour of the + * alternative which takes a connection handle. It will be dropped in the future. + */ + ble_error_t disconnect(Gap::DisconnectionReason_t reason) { + return gap().disconnect(reason); + } + + /** + * Returns the current GAP state of the device using a bitmask which + * describes whether the device is advertising and/or connected. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.getGapState() should be replaced with + * ble.gap().getState(). + */ + Gap::GapState_t getGapState(void) const { + return gap().getState(); + } + + /** + * Get the GAP peripheral preferred connection parameters. These are the + * defaults that the peripheral would like to have in a connection. The + * choice of the connection parameters is eventually up to the central. + * + * @param[out] params + * The structure where the parameters will be stored. Memory + * for this is owned by the caller. + * + * @return BLE_ERROR_NONE if the parameters were successfully filled into + * the given structure pointed to by params. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.getPreferredConnectionParams() should be replaced with + * ble.gap().getPreferredConnectionParams(). + */ + ble_error_t getPreferredConnectionParams(Gap::ConnectionParams_t *params) { + return gap().getPreferredConnectionParams(params); + } + + /** + * Set the GAP peripheral preferred connection parameters. These are the + * defaults that the peripheral would like to have in a connection. The + * choice of the connection parameters is eventually up to the central. + * + * @param[in] params + * The structure containing the desired parameters. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.setPreferredConnectionParams() should be replaced with + * ble.gap().setPreferredConnectionParams(). + */ + ble_error_t setPreferredConnectionParams(const Gap::ConnectionParams_t *params) { + return gap().setPreferredConnectionParams(params); + } + + /** + * Update connection parameters while in the peripheral role. + * @details In the peripheral role, this will send the corresponding L2CAP request to the connected peer and wait for + * the central to perform the procedure. + * @param[in] handle + * Connection Handle + * @param[in] params + * Pointer to desired connection parameters. If NULL is provided on a peripheral role, + * the parameters in the PPCP characteristic of the GAP service will be used instead. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.updateConnectionParams() should be replaced with + * ble.gap().updateConnectionParams(). + */ + ble_error_t updateConnectionParams(Gap::Handle_t handle, const Gap::ConnectionParams_t *params) { + return gap().updateConnectionParams(handle, params); + } + + /** + * Set the device name characteristic in the GAP service. + * @param[in] deviceName + * The new value for the device-name. This is a UTF-8 encoded, <b>NULL-terminated</b> string. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.setDeviceName() should be replaced with + * ble.gap().setDeviceName(). + */ + ble_error_t setDeviceName(const uint8_t *deviceName) { + return gap().setDeviceName(deviceName); + } + + /** + * Get the value of the device name characteristic in the GAP service. + * @param[out] deviceName + * Pointer to an empty buffer where the UTF-8 *non NULL- + * terminated* string will be placed. Set this + * value to NULL in order to obtain the deviceName-length + * from the 'length' parameter. + * + * @param[in/out] lengthP + * (on input) Length of the buffer pointed to by deviceName; + * (on output) the complete device name length (without the + * null terminator). + * + * @note If the device name is longer than the size of the supplied buffer, + * length will return the complete device name length, and not the + * number of bytes actually returned in deviceName. The application may + * use this information to retry with a suitable buffer size. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.getDeviceName() should be replaced with + * ble.gap().getDeviceName(). + */ + ble_error_t getDeviceName(uint8_t *deviceName, unsigned *lengthP) { + return gap().getDeviceName(deviceName, lengthP); + } + + /** + * Set the appearance characteristic in the GAP service. + * @param[in] appearance + * The new value for the device-appearance. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.setAppearance() should be replaced with + * ble.gap().setAppearance(). + */ + ble_error_t setAppearance(GapAdvertisingData::Appearance appearance) { + return gap().setAppearance(appearance); + } + + /** + * Get the appearance characteristic in the GAP service. + * @param[out] appearance + * The new value for the device-appearance. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.getAppearance() should be replaced with + * ble.gap().getAppearance(). + */ + ble_error_t getAppearance(GapAdvertisingData::Appearance *appearanceP) { + return gap().getAppearance(appearanceP); + } + + /** + * Set the radio's transmit power. + * @param[in] txPower Radio transmit power in dBm. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.setTxPower() should be replaced with + * ble.gap().setTxPower(). + */ + ble_error_t setTxPower(int8_t txPower) { + return gap().setTxPower(txPower); + } + + /** + * Query the underlying stack for permitted arguments for setTxPower(). + * + * @param[out] valueArrayPP + * Out parameter to receive the immutable array of Tx values. + * @param[out] countP + * Out parameter to receive the array's size. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from Gap directly. A former call to + * ble.getPermittedTxPowerValues() should be replaced with + * ble.gap().getPermittedTxPowerValues(). + */ + void getPermittedTxPowerValues(const int8_t **valueArrayPP, size_t *countP) { + gap().getPermittedTxPowerValues(valueArrayPP, countP); + } + + /** + * Add a service declaration to the local server ATT table. Also add the + * characteristics contained within. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from GattServer directly. A former call + * to ble.addService() should be replaced with + * ble.gattServer().addService(). + */ + ble_error_t addService(GattService &service) { + return gattServer().addService(service); + } + + /** + * Read the value of a characteristic from the local GattServer + * @param[in] attributeHandle + * Attribute handle for the value attribute of the characteristic. + * @param[out] buffer + * A buffer to hold the value being read. + * @param[in/out] lengthP + * Length of the buffer being supplied. If the attribute + * value is longer than the size of the supplied buffer, + * this variable will hold upon return the total attribute value length + * (excluding offset). The application may use this + * information to allocate a suitable buffer size. + * + * @return BLE_ERROR_NONE if a value was read successfully into the buffer. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from GattServer directly. A former call + * to ble.readCharacteristicValue() should be replaced with + * ble.gattServer().read(). + */ + ble_error_t readCharacteristicValue(GattAttribute::Handle_t attributeHandle, uint8_t *buffer, uint16_t *lengthP) { + return gattServer().read(attributeHandle, buffer, lengthP); + } + + /** + * Read the value of a characteristic from the local GattServer + * @param[in] connectionHandle + * Connection Handle. + * @param[in] attributeHandle + * Attribute handle for the value attribute of the characteristic. + * @param[out] buffer + * A buffer to hold the value being read. + * @param[in/out] lengthP + * Length of the buffer being supplied. If the attribute + * value is longer than the size of the supplied buffer, + * this variable will hold upon return the total attribute value length + * (excluding offset). The application may use this + * information to allocate a suitable buffer size. + * + * @return BLE_ERROR_NONE if a value was read successfully into the buffer. + * + * @note This API is a version of above with an additional connection handle + * parameter to allow fetches for connection-specific multivalued + * attribtues (such as the CCCDs). + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from GattServer directly. A former call + * to ble.readCharacteristicValue() should be replaced with + * ble.gattServer().read(). + */ + ble_error_t readCharacteristicValue(Gap::Handle_t connectionHandle, GattAttribute::Handle_t attributeHandle, uint8_t *buffer, uint16_t *lengthP) { + return gattServer().read(connectionHandle, attributeHandle, buffer, lengthP); + } + + /** + * Update the value of a characteristic on the local GattServer. + * + * @param[in] attributeHandle + * Handle for the value attribute of the Characteristic. + * @param[in] value + * A pointer to a buffer holding the new value + * @param[in] size + * Size of the new value (in bytes). + * @param[in] localOnly + * Should this update be kept on the local + * GattServer regardless of the state of the + * notify/indicate flag in the CCCD for this + * Characteristic? If set to true, no notification + * or indication is generated. + * + * @return BLE_ERROR_NONE if we have successfully set the value of the attribute. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from GattServer directly. A former call + * to ble.updateCharacteristicValue() should be replaced with + * ble.gattServer().write(). + */ + ble_error_t updateCharacteristicValue(GattAttribute::Handle_t attributeHandle, + const uint8_t *value, + uint16_t size, + bool localOnly = false) { + return gattServer().write(attributeHandle, value, size, localOnly); + } + + /** + * Update the value of a characteristic on the local GattServer. A version + * of the same as above with connection handle parameter to allow updates + * for connection-specific multivalued attribtues (such as the CCCDs). + * + * @param[in] connectionHandle + * Connection Handle. + * @param[in] attributeHandle + * Handle for the value attribute of the Characteristic. + * @param[in] value + * A pointer to a buffer holding the new value + * @param[in] size + * Size of the new value (in bytes). + * @param[in] localOnly + * Should this update be kept on the local + * GattServer regardless of the state of the + * notify/indicate flag in the CCCD for this + * Characteristic? If set to true, no notification + * or indication is generated. + * + * @return BLE_ERROR_NONE if we have successfully set the value of the attribute. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from GattServer directly. A former call + * to ble.updateCharacteristicValue() should be replaced with + * ble.gattServer().write(). + */ + ble_error_t updateCharacteristicValue(Gap::Handle_t connectionHandle, + GattAttribute::Handle_t attributeHandle, + const uint8_t *value, + uint16_t size, + bool localOnly = false) { + return gattServer().write(connectionHandle, attributeHandle, value, size, localOnly); + } + + /** + * Enable the BLE stack's Security Manager. The Security Manager implements + * the actual cryptographic algorithms and protocol exchanges that allow two + * devices to securely exchange data and privately detect each other. + * Calling this API is a prerequisite for encryption and pairing (bonding). + * + * @param[in] enableBonding Allow for bonding. + * @param[in] requireMITM Require protection for man-in-the-middle attacks. + * @param[in] iocaps To specify IO capabilities of this peripheral, + * such as availability of a display or keyboard to + * support out-of-band exchanges of security data. + * @param[in] passkey To specify a static passkey. + * + * @return BLE_ERROR_NONE on success. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from SecurityManager directly. A former + * call to ble.initializeSecurity(...) should be replaced with + * ble.securityManager().init(...). + */ + ble_error_t initializeSecurity(bool enableBonding = true, + bool requireMITM = true, + SecurityManager::SecurityIOCapabilities_t iocaps = SecurityManager::IO_CAPS_NONE, + const SecurityManager::Passkey_t passkey = NULL) { + return securityManager().init(enableBonding, requireMITM, iocaps, passkey); + } + + /** + * Get the security status of a connection. + * + * @param[in] connectionHandle Handle to identify the connection. + * @param[out] securityStatusP security status. + * + * @return BLE_SUCCESS Or appropriate error code indicating reason for failure. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from SecurityManager directly. A former + * call to ble.getLinkSecurity(...) should be replaced with + * ble.securityManager().getLinkSecurity(...). + */ + ble_error_t getLinkSecurity(Gap::Handle_t connectionHandle, SecurityManager::LinkSecurityStatus_t *securityStatusP) { + return securityManager().getLinkSecurity(connectionHandle, securityStatusP); + } + + /** + * Delete all peer device context and all related bonding information from + * the database within the security manager. + * + * @retval BLE_ERROR_NONE On success, else an error code indicating reason for failure. + * @retval BLE_ERROR_INVALID_STATE If the API is called without module initialization and/or + * application registration. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from SecurityManager directly. A former + * call to ble.purgeAllBondingState() should be replaced with + * ble.securityManager().purgeAllBondingState(). + */ + ble_error_t purgeAllBondingState(void) { + return securityManager().purgeAllBondingState(); + } + + /** + * Setup a callback for timeout events. Refer to Gap::TimeoutSource_t for + * possible event types. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from GattServer directly. A former call + * to ble.onTimeout(callback) should be replaced with + * ble.gap().onTimeout(callback). + */ + void onTimeout(Gap::TimeoutEventCallback_t timeoutCallback) { + gap().onTimeout(timeoutCallback); + } + + /** + * Setup a callback for connection events. Refer to Gap::ConnectionEventCallback_t. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from GattServer directly. A former call + * to ble.onConnection(callback) should be replaced with + * ble.gap().onConnection(callback). + */ + void onConnection(Gap::ConnectionEventCallback_t connectionCallback) { + gap().onConnection(connectionCallback); + } + + /** + * Used to setup a callback for GAP disconnection. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from GattServer directly. A former call + * to ble.onDisconnection(callback) should be replaced with + * ble.gap().onDisconnection(callback). + */ + void onDisconnection(Gap::DisconnectionEventCallback_t disconnectionCallback) { + gap().onDisconnection(disconnectionCallback); + } + + /** + * Append to a chain of callbacks to be invoked upon disconnection; these + * callbacks receive no context and are therefore different from the + * onDisconnection callback. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from GattServer directly. A former call + * to ble.addToDisconnectionCallchain(...) should be replaced with + * ble.gap().addToDisconnectionCallchain(...). + */ + template<typename T> + void addToDisconnectionCallChain(T *tptr, void (T::*mptr)(void)) { + gap().addToDisconnectionCallChain(tptr, mptr); + } + + /** + * Radio Notification is a feature that enables ACTIVE and INACTIVE + * (nACTIVE) signals from the stack that notify the application when the + * radio is in use. The signal is sent using software interrupt. + * + * The ACTIVE signal is sent before the Radio Event starts. The nACTIVE + * signal is sent at the end of the Radio Event. These signals can be used + * by the application programmer to synchronize application logic with radio + * activity. For example, the ACTIVE signal can be used to shut off external + * devices to manage peak current drawn during periods when the radio is on, + * or to trigger sensor data collection for transmission in the Radio Event. + * + * @param callback + * The application handler to be invoked in response to a radio + * ACTIVE/INACTIVE event. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from GattServer directly. A former call + * to ble.onRadioNotification(...) should be replaced with + * ble.gap().onRadioNotification(...). + */ + void onRadioNotification(Gap::RadioNotificationEventCallback_t callback) { + gap().onRadioNotification(callback); + } + + /** + * Add a callback for the GATT event DATA_SENT (which is triggered when + * updates are sent out by GATT in the form of notifications). + * + * @Note: it is possible to chain together multiple onDataSent callbacks + * (potentially from different modules of an application) to receive updates + * to characteristics. + * + * @Note: it is also possible to setup a callback into a member function of + * some object. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from GattServer directly. A former call + * to ble.onDataSent(...) should be replaced with + * ble.gattServer().onDataSent(...). + */ + void onDataSent(void (*callback)(unsigned count)) { + gattServer().onDataSent(callback); + } + template <typename T> void onDataSent(T * objPtr, void (T::*memberPtr)(unsigned count)) { + gattServer().onDataSent(objPtr, memberPtr); + } + + /** + * Setup a callback for when an attribute has its value updated by or at the + * connected peer. For a peripheral, this callback triggered when the local + * GATT server has an attribute updated by a write command from the peer. + * For a Central, this callback is triggered when a response is received for + * a write request. + * + * @Note: it is possible to chain together multiple onDataWritten callbacks + * (potentially from different modules of an application) to receive updates + * to characteristics. Many services, such as DFU and UART add their own + * onDataWritten callbacks behind the scenes to trap interesting events. + * + * @Note: it is also possible to setup a callback into a member function of + * some object. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from GattServer directly. A former call + * to ble.onDataWritten(...) should be replaced with + * ble.gattServer().onDataWritten(...). + */ + void onDataWritten(void (*callback)(const GattWriteCallbackParams *eventDataP)) { + gattServer().onDataWritten(callback); + } + template <typename T> void onDataWritten(T * objPtr, void (T::*memberPtr)(const GattWriteCallbackParams *context)) { + gattServer().onDataWritten(objPtr, memberPtr); + } + + /** + * Setup a callback to be invoked on the peripheral when an attribute is + * being read by a remote client. + * + * @Note: this functionality may not be available on all underlying stacks. + * You could use GattCharacteristic::setReadAuthorizationCallback() as an + * alternative. + * + * @Note: it is possible to chain together multiple onDataRead callbacks + * (potentially from different modules of an application) to receive updates + * to characteristics. Services may add their own onDataRead callbacks + * behind the scenes to trap interesting events. + * + * @Note: it is also possible to setup a callback into a member function of + * some object. + * + * @return BLE_ERROR_NOT_IMPLEMENTED if this functionality isn't available; + * else BLE_ERROR_NONE. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from GattServer directly. A former call + * to ble.onDataRead(...) should be replaced with + * ble.gattServer().onDataRead(...). + */ + ble_error_t onDataRead(void (*callback)(const GattReadCallbackParams *eventDataP)) { + return gattServer().onDataRead(callback); + } + template <typename T> ble_error_t onDataRead(T * objPtr, void (T::*memberPtr)(const GattReadCallbackParams *context)) { + return gattServer().onDataRead(objPtr, memberPtr); + } + + /** + * Setup a callback for when notifications/indications are enabled for a + * characteristic on the local GattServer. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from GattServer directly. A former call + * to ble.onUpdatesEnabled(callback) should be replaced with + * ble.gattServer().onUpdatesEnabled(callback). + */ + void onUpdatesEnabled(GattServer::EventCallback_t callback) { + gattServer().onUpdatesEnabled(callback); + } + + /** + * Setup a callback for when notifications/indications are disabled for a + * characteristic on the local GattServer. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from GattServer directly. A former call + * to ble.onUpdatesEnabled(callback) should be replaced with + * ble.gattServer().onUpdatesEnabled(callback). + */ + void onUpdatesDisabled(GattServer::EventCallback_t callback) { + gattServer().onUpdatesDisabled(callback); + } + + /** + * Setup a callback for when the GATT server receives a response for an + * indication event sent previously. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from GattServer directly. A former call + * to ble.onConfirmationReceived(callback) should be replaced with + * ble.gattServer().onConfirmationReceived(callback). + */ + void onConfirmationReceived(GattServer::EventCallback_t callback) { + gattServer().onConfirmationReceived(callback); + } + + /** + * Setup a callback for when the security setup procedure (key generation + * and exchange) for a link has started. This will be skipped for bonded + * devices. The callback is passed in parameters received from the peer's + * security request: bool allowBonding, bool requireMITM, and + * SecurityIOCapabilities_t. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from SecurityManager directly. A former + * call to ble.onSecuritySetupInitiated(callback) should be replaced with + * ble.securityManager().onSecuritySetupInitiated(callback). + */ + void onSecuritySetupInitiated(SecurityManager::SecuritySetupInitiatedCallback_t callback) { + securityManager().onSecuritySetupInitiated(callback); + } + + /** + * Setup a callback for when the security setup procedure (key generation + * and exchange) for a link has completed. This will be skipped for bonded + * devices. The callback is passed in the success/failure status of the + * security setup procedure. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from SecurityManager directly. A former + * call to ble.onSecuritySetupCompleted(callback) should be replaced with + * ble.securityManager().onSecuritySetupCompleted(callback). + */ + void onSecuritySetupCompleted(SecurityManager::SecuritySetupCompletedCallback_t callback) { + securityManager().onSecuritySetupCompleted(callback); + } + + /** + * Setup a callback for when a link with the peer is secured. For bonded + * devices, subsequent reconnections with bonded peer will result only in + * this callback when the link is secured and setup procedures will not + * occur unless the bonding information is either lost or deleted on either + * or both sides. The callback is passed in a SecurityManager::SecurityMode_t according + * to the level of security in effect for the secured link. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from SecurityManager directly. A former + * call to ble.onLinkSecured(callback) should be replaced with + * ble.securityManager().onLinkSecured(callback). + */ + void onLinkSecured(SecurityManager::LinkSecuredCallback_t callback) { + securityManager().onLinkSecured(callback); + } + + /** + * Setup a callback for successful bonding; i.e. that link-specific security + * context is stored persistently for a peer device. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from SecurityManager directly. A former + * call to ble.onSecurityContextStored(callback) should be replaced with + * ble.securityManager().onSecurityContextStored(callback). + */ + void onSecurityContextStored(SecurityManager::HandleSpecificEvent_t callback) { + securityManager().onSecurityContextStored(callback); + } + + /** + * Setup a callback for when the passkey needs to be displayed on a + * peripheral with DISPLAY capability. This happens when security is + * configured to prevent Man-In-The-Middle attacks, and a PIN (or passkey) + * needs to be exchanged between the peers to authenticate the connection + * attempt. + * + * @note: This API is now *deprecated* and will be dropped in the future. + * You should use the parallel API from SecurityManager directly. A former + * call to ble.onPasskeyDisplay(callback) should be replaced with + * ble.securityManager().onPasskeyDisplay(callback). + */ + void onPasskeyDisplay(SecurityManager::PasskeyDisplayCallback_t callback) { + return securityManager().onPasskeyDisplay(callback); + } + +public: + BLE() : transport(createBLEInstance()) { + /* empty */ + } + +private: + BLEInstanceBase *const transport; /* the device specific backend */ +}; + +typedef BLE BLEDevice; /* DEPRECATED. This type alias is retained for the sake of compatibility with older + * code. Will be dropped at some point soon.*/ + +#endif // ifndef __BLE_H__ \ No newline at end of file