Maiko Matsumoto
0611
Fork of
BLE_WallbotBLE_Challenge2
by 
Maiko Matsumoto
Diff: BLE_API/public/BLEDevice.h
- Revision:
- 0:76dfa9657d9d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/BLE_API/public/BLEDevice.h Wed Nov 12 02:40:34 2014 +0000
@@ -0,0 +1,626 @@
+/* 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_DEVICE__
+#define __BLE_DEVICE__
+
+#include "mbed.h"
+#include "blecommon.h"
+#include "Gap.h"
+#include "GattServer.h"
+#include "BLEDeviceInstanceBase.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 BLEDevice
+{
+public:
+ /**
+ * Initialize the BLE controller. This should be called before using
+ * anything else in the BLE_API.
+ */
+ ble_error_t init();
+ ble_error_t reset(void);
+
+ /* GAP specific APIs */
+public:
+ /**
+ * Set the BTLE MAC address and type.
+ * @return
+ */
+ ble_error_t setAddress(Gap::addr_type_t type, const uint8_t address[6]);
+
+ /**
+ * @param[in] advType
+ * The GAP advertising mode to use for this device. Valid
+ * values are defined in AdvertisingType:
+ *
+ * \par ADV_NON_CONNECTABLE_UNDIRECTED
+ * All connections to the peripheral device will be refused.
+ *
+ * \par ADV_CONNECTABLE_DIRECTED
+ * Only connections from a pre-defined central device will be
+ * accepted.
+ *
+ * \par ADV_CONNECTABLE_UNDIRECTED
+ * Any central device can connect to this peripheral.
+ *
+ * \par ADV_SCANNABLE_UNDIRECTED
+ * Any central device can connect to this peripheral, and
+ * the secondary Scan Response payload will be included or
+ * available to central devices.
+ *
+ * \par
+ * See Bluetooth Core Specification 4.0 (Vol. 3), Part C,
+ * Section 9.3 and Core Specification 4.0 (Vol. 6), Part B,
+ * Section 2.3.1 for further information on GAP connection
+ * modes
+ */
+ void setAdvertisingType(GapAdvertisingParams::AdvertisingType);
+
+ /**
+ * @param[in] interval
+ * Advertising interval between 0x0020 and 0x4000 in 0.625ms
+ * units (20ms to 10.24s). If using non-connectable mode
+ * (ADV_NON_CONNECTABLE_UNDIRECTED) this min value is
+ * 0x00A0 (100ms). To reduce the likelihood of collisions, the
+ * link layer perturbs this interval by a pseudo-random delay
+ * with a range of 0 ms to 10 ms for each advertising event.
+ *
+ * \par
+ * Decreasing this value will allow central devices to detect
+ * your peripheral faster at the expense of more power being
+ * used by the radio due to the higher data transmit rate.
+ *
+ * \par
+ * This field must be set to 0 if connectionMode is equal
+ * to ADV_CONNECTABLE_DIRECTED
+ *
+ * \par
+ * See Bluetooth Core Specification, Vol 3., Part C,
+ * Appendix A for suggested advertising intervals.
+ */
+ void setAdvertisingInterval(uint16_t interval);
+
+ /**
+ * @param[in] timeout
+ * Advertising timeout between 0x1 and 0x3FFF (1 and 16383)
+ * in seconds. Enter 0 to disable the advertising timeout.
+ */
+ void setAdvertisingTimeout(uint16_t timeout);
+
+ /**
+ * Please refer to the APIs above.
+ */
+ void setAdvertisingParams(const GapAdvertisingParams &advParams);
+
+ /**
+ * This API is typically used as an internal helper to udpate the transport
+ * backend with advertising data before starting to advertise. It may also
+ * be explicity used to dynamically reset the accumulated advertising
+ * payload and scanResponse; to do this, the application can clear and re-
+ * accumulate a new advertising payload (and scanResponse) before using this
+ * API.
+ */
+ ble_error_t setAdvertisingPayload(void);
+
+ /**
+ * Reset any advertising payload prepared from prior calls to
+ * accumulateAdvertisingPayload().
+ */
+ void clearAdvertisingPayload(void);
+
+ /**
+ * 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 flags
+ * The flags to be added. Multiple flags may be specified in
+ * combination.
+ */
+ ble_error_t accumulateAdvertisingPayload(uint8_t 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 app
+ * The appearance of the peripheral.
+ */
+ ble_error_t accumulateAdvertisingPayload(GapAdvertisingData::Appearance 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 app
+ * The max transmit power to be used by the controller. This is
+ * only a hint.
+ */
+ ble_error_t accumulateAdvertisingPayloadTxPower(int8_t 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.
+ */
+ ble_error_t accumulateAdvertisingPayload(GapAdvertisingData::DataType type, const uint8_t *data, uint8_t len);
+
+ /**
+ * Accumulate a variable length byte-stream as an AD structure in the
+ * scanResponse payload.
+ *
+ * @param type The type which describes the variable length data.
+ * @param data data bytes.
+ * @param len length of data.
+ */
+ ble_error_t accumulateScanResponse(GapAdvertisingData::DataType type, const uint8_t *data, uint8_t len);
+
+ /**
+ * Start advertising (GAP Discoverable, Connectable modes, Broadcast
+ * Procedure).
+ */
+ ble_error_t startAdvertising(void);
+
+ /**
+ * Stop advertising (GAP Discoverable, Connectable modes, Broadcast
+ * Procedure).
+ */
+ ble_error_t stopAdvertising(void);
+
+ ble_error_t disconnect(Gap::DisconnectionReason_t reason);
+
+ /* APIs to set GAP callbacks. */
+ void onTimeout(Gap::EventCallback_t timeoutCallback);
+
+ void onConnection(Gap::ConnectionEventCallback_t connectionCallback);
+ /**
+ * Used to setup a callback for GAP disconnection.
+ */
+ void onDisconnection(Gap::DisconnectionEventCallback_t disconnectionCallback);
+
+ /**
+ * Setup a callback for the GATT event DATA_SENT.
+ */
+ void onDataSent(GattServer::ServerEventCallbackWithCount_t callback);
+
+ /**
+ * Setup a callback for when a characteristic has its value updated by a
+ * client.
+ *
+ * @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.
+ */
+ void onDataWritten(void (*callback)(const GattCharacteristicWriteCBParams *eventDataP));
+ template <typename T> void onDataWritten(T *objPtr, void (T::*memberPtr)(const GattCharacteristicWriteCBParams *context));
+
+ void onUpdatesEnabled(GattServer::EventCallback_t callback);
+ void onUpdatesDisabled(GattServer::EventCallback_t callback);
+ void onConfirmationReceived(GattServer::EventCallback_t callback);
+
+ /**
+ * Add a service declaration to the local server ATT table. Also add the
+ * characteristics contained within.
+ */
+ ble_error_t addService(GattService &service);
+
+ Gap::GapState_t getGapState(void) const;
+
+ /**
+ * @param[in/out] lengthP
+ * input: Length in bytes to be read,
+ * output: Total length of attribute value upon successful return.
+ */
+ ble_error_t readCharacteristicValue(uint16_t handle, uint8_t *const buffer, uint16_t *const lengthP);
+
+ /**
+ * @param localOnly
+ * Only update the characteristic locally regardless of notify/indicate flags in the CCCD.
+ */
+ ble_error_t updateCharacteristicValue(uint16_t handle, const uint8_t* value, uint16_t size, bool localOnly = false);
+
+ /**
+ * 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);
+
+ ble_error_t getPreferredConnectionParams(Gap::ConnectionParams_t *params);
+ ble_error_t setPreferredConnectionParams(const Gap::ConnectionParams_t *params);
+ ble_error_t updateConnectionParams(Gap::Handle_t handle, const Gap::ConnectionParams_t *params);
+
+ /**
+ * 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);
+
+ /**
+ * Set the device name characteristic in the GAP service.
+ * @param deviceName The new value for the device-name. This is a UTF-8 encoded, <b>NULL-terminated</b> string.
+ */
+ ble_error_t setDeviceName(const uint8_t *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.
+ *
+ * Sample use:
+ * uint8_t deviceName[20];
+ * unsigned length = sizeof(deviceName);
+ * ble.getDeviceName(deviceName, &length);
+ * if (length < sizeof(deviceName)) {
+ * deviceName[length] = 0;
+ * }
+ * DEBUG("length: %u, deviceName: %s\r\n", length, deviceName);
+ */
+ ble_error_t getDeviceName(uint8_t *deviceName, unsigned *lengthP);
+
+ /**
+ * Set the appearance characteristic in the GAP service.
+ * @param[in] appearance The new value for the device-appearance.
+ */
+ ble_error_t setAppearance(uint16_t appearance);
+
+ /**
+ * Set the appearance characteristic in the GAP service.
+ * @param[out] appearance The new value for the device-appearance.
+ */
+ ble_error_t getAppearance(uint16_t *appearanceP);
+
+ /**
+ * Set the radio's transmit power.
+ * @param[in] txPower Radio transmit power in dBm.
+ */
+ ble_error_t setTxPower(int8_t txPower);
+
+public:
+ BLEDevice() : transport(createBLEDeviceInstance()), advParams(), advPayload(), scanResponse(), needToSetAdvPayload(true) {
+ advPayload.clear();
+ scanResponse.clear();
+ }
+
+private:
+ BLEDeviceInstanceBase *const transport; /* the device specific backend */
+
+ GapAdvertisingParams advParams;
+ GapAdvertisingData advPayload;
+ GapAdvertisingData scanResponse;
+
+ /* Accumulation of AD structures in the advertisement payload should
+ * eventually result in a call to the target's setAdvertisingData() before
+ * the server begins advertising. This flag marks the status of the pending update.*/
+ bool needToSetAdvPayload;
+
+ /**
+ * DEPRECATED
+ */
+public:
+ ble_error_t setAdvertisingData(const GapAdvertisingData &ADStructures, const GapAdvertisingData &scanResponse);
+ ble_error_t setAdvertisingData(const GapAdvertisingData &ADStructures);
+
+ ble_error_t startAdvertising(const GapAdvertisingParams &advParams);
+};
+
+/* BLEDevice methods. Most of these simply forward the calls to the underlying
+ * transport.*/
+
+inline ble_error_t
+BLEDevice::reset(void)
+{
+ return transport->reset();
+}
+
+inline ble_error_t
+BLEDevice::setAddress(Gap::addr_type_t type, const uint8_t address[6])
+{
+ return transport->getGap().setAddress(type, address);
+}
+
+inline void
+BLEDevice::setAdvertisingType(GapAdvertisingParams::AdvertisingType advType)
+{
+ advParams.setAdvertisingType(advType);
+}
+
+inline void
+BLEDevice::setAdvertisingInterval(uint16_t interval)
+{
+ advParams.setInterval(interval);
+}
+
+inline void
+BLEDevice::setAdvertisingTimeout(uint16_t timeout)
+{
+ advParams.setTimeout(timeout);
+}
+
+inline void
+BLEDevice::setAdvertisingParams(const GapAdvertisingParams &newAdvParams)
+{
+ advParams = newAdvParams;
+}
+
+inline void
+BLEDevice::clearAdvertisingPayload(void)
+{
+ needToSetAdvPayload = true;
+ advPayload.clear();
+}
+
+inline ble_error_t
+BLEDevice::accumulateAdvertisingPayload(uint8_t flags)
+{
+ needToSetAdvPayload = true;
+ return advPayload.addFlags(flags);
+}
+
+inline ble_error_t
+BLEDevice::accumulateAdvertisingPayload(GapAdvertisingData::Appearance app)
+{
+ needToSetAdvPayload = true;
+ return advPayload.addAppearance(app);
+}
+
+inline ble_error_t
+BLEDevice::accumulateAdvertisingPayloadTxPower(int8_t txPower)
+{
+ needToSetAdvPayload = true;
+ return advPayload.addTxPower(txPower);
+}
+
+inline ble_error_t
+BLEDevice::accumulateAdvertisingPayload(GapAdvertisingData::DataType type, const uint8_t *data, uint8_t len)
+{
+ needToSetAdvPayload = true;
+ return advPayload.addData(type, data, len);
+}
+
+inline ble_error_t
+BLEDevice::accumulateScanResponse(GapAdvertisingData::DataType type, const uint8_t *data, uint8_t len)
+{
+ needToSetAdvPayload = true;
+ return scanResponse.addData(type, data, len);
+}
+
+inline ble_error_t
+BLEDevice::setAdvertisingPayload(void) {
+ needToSetAdvPayload = false;
+ return transport->getGap().setAdvertisingData(advPayload, scanResponse);
+}
+
+inline ble_error_t
+BLEDevice::startAdvertising(void)
+{
+ if (needToSetAdvPayload) {
+ ble_error_t rc;
+ if ((rc = setAdvertisingPayload()) != BLE_ERROR_NONE) {
+ return rc;
+ }
+ }
+
+ return transport->getGap().startAdvertising(advParams);
+}
+
+inline ble_error_t
+BLEDevice::stopAdvertising(void)
+{
+ return transport->getGap().stopAdvertising();
+}
+
+inline ble_error_t
+BLEDevice::disconnect(Gap::DisconnectionReason_t reason)
+{
+ return transport->getGap().disconnect(reason);
+}
+
+inline void
+BLEDevice::onTimeout(Gap::EventCallback_t timeoutCallback)
+{
+ transport->getGap().setOnTimeout(timeoutCallback);
+}
+
+inline void
+BLEDevice::onConnection(Gap::ConnectionEventCallback_t connectionCallback)
+{
+ transport->getGap().setOnConnection(connectionCallback);
+}
+
+inline void
+BLEDevice::onDisconnection(Gap::DisconnectionEventCallback_t disconnectionCallback)
+{
+ transport->getGap().setOnDisconnection(disconnectionCallback);
+}
+
+inline void
+BLEDevice::onDataSent(GattServer::ServerEventCallbackWithCount_t callback)
+{
+ transport->getGattServer().setOnDataSent(callback);
+}
+
+inline void
+BLEDevice::onDataWritten(void (*callback)(const GattCharacteristicWriteCBParams *eventDataP)) {
+ transport->getGattServer().setOnDataWritten(callback);
+}
+
+template <typename T> inline void
+BLEDevice::onDataWritten(T *objPtr, void (T::*memberPtr)(const GattCharacteristicWriteCBParams *context)) {
+ transport->getGattServer().setOnDataWritten(objPtr, memberPtr);
+}
+
+
+inline void
+BLEDevice::onUpdatesEnabled(GattServer::EventCallback_t callback)
+{
+ transport->getGattServer().setOnUpdatesEnabled(callback);
+}
+
+inline void
+BLEDevice::onUpdatesDisabled(GattServer::EventCallback_t callback)
+{
+ transport->getGattServer().setOnUpdatesDisabled(callback);
+}
+
+inline void
+BLEDevice::onConfirmationReceived(GattServer::EventCallback_t callback)
+{
+ transport->getGattServer().setOnConfirmationReceived(callback);
+}
+
+inline ble_error_t
+BLEDevice::addService(GattService &service)
+{
+ return transport->getGattServer().addService(service);
+}
+
+inline Gap::GapState_t
+BLEDevice::getGapState(void) const
+{
+ return transport->getGap().getState();
+}
+
+inline ble_error_t BLEDevice::readCharacteristicValue(uint16_t handle, uint8_t *const buffer, uint16_t *const lengthP)
+{
+ return transport->getGattServer().readValue(handle, buffer, lengthP);
+}
+
+inline ble_error_t
+BLEDevice::updateCharacteristicValue(uint16_t handle, const uint8_t* value, uint16_t size, bool localOnly)
+{
+ return transport->getGattServer().updateValue(handle, const_cast<uint8_t *>(value), size, localOnly);
+}
+
+inline void
+BLEDevice::waitForEvent(void)
+{
+ transport->waitForEvent();
+}
+
+inline ble_error_t
+BLEDevice::getPreferredConnectionParams(Gap::ConnectionParams_t *params)
+{
+ return transport->getGap().getPreferredConnectionParams(params);
+}
+
+inline ble_error_t
+BLEDevice::setPreferredConnectionParams(const Gap::ConnectionParams_t *params)
+{
+ return transport->getGap().setPreferredConnectionParams(params);
+}
+
+inline ble_error_t
+BLEDevice::updateConnectionParams(Gap::Handle_t handle, const Gap::ConnectionParams_t *params) {
+ return transport->getGap().updateConnectionParams(handle, params);
+}
+
+inline const char *
+BLEDevice::getVersion(void)
+{
+ return transport->getVersion();
+}
+
+inline ble_error_t
+BLEDevice::setDeviceName(const uint8_t *deviceName)
+{
+ return transport->getGap().setDeviceName(deviceName);
+}
+
+inline ble_error_t
+BLEDevice::getDeviceName(uint8_t *deviceName, unsigned *lengthP)
+{
+ return transport->getGap().getDeviceName(deviceName, lengthP);
+}
+
+inline ble_error_t
+BLEDevice::setAppearance(uint16_t appearance)
+{
+ return transport->getGap().setAppearance(appearance);
+}
+
+inline ble_error_t
+BLEDevice::getAppearance(uint16_t *appearanceP)
+{
+ return transport->getGap().getAppearance(appearanceP);
+}
+
+inline ble_error_t
+BLEDevice::setTxPower(int8_t txPower)
+{
+ return transport->setTxPower(txPower);
+}
+
+/*
+ * ALL OF THE FOLLOWING METHODS ARE DEPRECATED
+ */
+
+inline ble_error_t
+BLEDevice::setAdvertisingData(const GapAdvertisingData &ADStructures, const GapAdvertisingData &scanResponse)
+{
+ needToSetAdvPayload = false;
+ return transport->getGap().setAdvertisingData(ADStructures, scanResponse);
+}
+
+inline ble_error_t
+BLEDevice::setAdvertisingData(const GapAdvertisingData &ADStructures)
+{
+ GapAdvertisingData scanResponse;
+
+ needToSetAdvPayload = false;
+ return transport->getGap().setAdvertisingData(ADStructures, scanResponse);
+}
+
+inline ble_error_t
+BLEDevice::startAdvertising(const GapAdvertisingParams &_advParams)
+{
+ return transport->getGap().startAdvertising(_advParams);
+}
+
+#endif // ifndef __BLE_DEVICE__