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Diff: ble/DiscoveredCharacteristic.h
- Revision:
- 1183:1589830dbdb7
- Parent:
- 1179:4ab722f8dca0
--- a/ble/DiscoveredCharacteristic.h Wed Apr 06 19:15:34 2016 +0100 +++ b/ble/DiscoveredCharacteristic.h Wed Apr 06 19:15:36 2016 +0100 @@ -28,20 +28,24 @@ * @brief Representation of a characteristic discovered during a GattClient * discovery procedure (see GattClient::launchServiceDiscovery ). * - * @detail Provide detailed informations about a discovered characteristic like: - * - Its UUID (see #getUUID). + * @details Provide detailed informations about a discovered characteristic like: + * - Its UUID (see getUUID()). * - The most important handles of the characteristic definition - * (see #getDeclHandle, #getValueHandle, #getLastHandle ) - * - Its properties (see #getProperties). + * (see getDeclHandle(), getValueHandle(), getLastHandle()) + * - Its properties (see getProperties()). * This class also provide functions to operate on the characteristic: - * - Read the characteristic value (see #read) - * - Writing a characteristic value (see #write or #writeWoResponse) + * - Read the characteristic value (see read()) + * - Writing a characteristic value (see write() or writeWoResponse()) * - Discover descriptors inside the characteristic definition. These descriptors * extends the characteristic. More information about descriptor usage is * available in DiscoveredCharacteristicDescriptor class. */ class DiscoveredCharacteristic { public: + /** + * Structure that encapsulates the properties of a discovered + * characteristic. + */ struct Properties_t { uint8_t _broadcast :1; /**< Broadcasting the value permitted. */ uint8_t _read :1; /**< Reading the value permitted. */ @@ -52,19 +56,81 @@ uint8_t _authSignedWrite :1; /**< Writing the value with Signed Write Command permitted. */ public: - bool broadcast(void) const {return _broadcast; } - bool read(void) const {return _read; } - bool writeWoResp(void) const {return _writeWoResp; } - bool write(void) const {return _write; } - bool notify(void) const {return _notify; } - bool indicate(void) const {return _indicate; } - bool authSignedWrite(void) const {return _authSignedWrite;} + /** + * @brief Check if broadcasting is permitted. + * + * @return true if broadcasting the value is permitted, and false + * otherwise. + */ + bool broadcast(void) const { + return _broadcast; + } + + /** + * @brief Check reading is permitted. + * + * @return true if reading the value is permitted, and false + * otherwise. + */ + bool read(void) const { + return _read; + } + + /** + * @brief Check if writing with Write Command is permitted. + * + * @return true if writing the value with Write Command is permitted, + * false otherwise. + */ + bool writeWoResp(void) const { + return _writeWoResp; + } + + /** + * @brief Check if writing with Write Request is permitted. + * + * @return true if writing the value with Write Request is permitted, + * false otherwise. + */ + bool write(void) const { + return _write; + } + + /** + * @brief Check notifications are permitted. + * + * @return true if notifications of the value are permitted, false + * otherwise. + */ + bool notify(void) const { + return _notify; + } + + /** + * @brief Check if indications are permitted. + * + * @return true if indications of the value are permitted, false + * otherwise. + */ + bool indicate(void) const { + return _indicate; + } + + /** + * @brief Check if writing with Signed Write Command is permitted. + * + * @return true if writing the value with Signed Write Command is + * permitted, false otherwise. + */ + bool authSignedWrite(void) const { + return _authSignedWrite; + } /** * @brief "Equal to" operator for DiscoveredCharacteristic::Properties_t * - * @param lhs[in] The left hand side of the equality expression - * @param rhs[in] The right hand side of the equality expression + * @param[in] lhs The left hand side of the equality expression + * @param[in] rhs The right hand side of the equality expression * * @return true if operands are equals, false otherwise. */ @@ -101,8 +167,9 @@ * than ATT_MTU - 1, this function must be called multiple times with * appropriate offset to read the complete value. * - * @param offset[in] The position - in the characteristic value bytes stream - where - * the read operation begin. + * @param[in] offset + * The position - in the characteristic value bytes stream - where + * the read operation begin. * * @return BLE_ERROR_NONE if a read has been initiated, or * BLE_ERROR_INVALID_STATE if some internal state about the connection is invalid, or @@ -115,9 +182,11 @@ * @brief Same as #read(uint16_t) const but allow the user to register a callback * which will be fired once the read is done. * - * @param offset[in] The position - in the characteristic value bytes stream - where - * the read operation begin. - * @param onRead[in] Continuation of the read operation + * @param[in] offset + * The position - in the characteristic value bytes stream - where + * the read operation begin. + * @param[in] onRead + * Continuation of the read operation */ ble_error_t read(uint16_t offset, const GattClient::ReadCallback_t& onRead) const; @@ -174,12 +243,21 @@ ble_error_t write(uint16_t length, const uint8_t *value) const; /** - * Same as #write(uint16_t, const uint8_t *) const but register a callback + * Same as write(uint16_t, const uint8_t *) const but register a callback * which will be called once the data has been written. * - * @param[in] length The amount of bytes to write. - * @param[in] value The bytes to write. - * @param[in] onRead Continuation callback for the write operation + * @param[in] length + * The amount of bytes to write. + * @param[in] value + * The bytes to write. + * @param[in] onWrite + * Continuation callback for the write operation + * + * @retval BLE_ERROR_NONE Successfully started the Write procedure, or + * BLE_ERROR_INVALID_STATE if some internal state about the connection is invalid, or + * BLE_STACK_BUSY if some client procedure is already in progress, or + * BLE_ERROR_NO_MEM if there are no available buffers left to process the request, or + * BLE_ERROR_OPERATION_NOT_PERMITTED due to the characteristic's properties. */ ble_error_t write(uint16_t length, const uint8_t *value, const GattClient::WriteCallback_t& onWrite) const; @@ -206,7 +284,7 @@ /** * @brief Get the declaration handle of this characteristic. - * @detail The declaration handle is the first handle of a characteristic + * @details The declaration handle is the first handle of a characteristic * definition. The value accessible at this handle contains the following * informations: * - The characteristics properties (see Properties_t). This value can @@ -275,8 +353,10 @@ /** * @brief "Equal to" operator for DiscoveredCharacteristic * - * @param lhs[in] The left hand side of the equality expression - * @param rhs[in] The right hand side of the equality expression + * @param[in] lhs + * The left hand side of the equality expression + * @param[in] rhs + * The right hand side of the equality expression * * @return true if operands are equals, false otherwise. */ @@ -293,10 +373,12 @@ /** * @brief "Not equal to" operator for DiscoveredCharacteristic * - * @param lhs[in] The right hand side of the expression - * @param rhs[in] The left hand side of the expression + * @param[in] lhs + * The right hand side of the expression + * @param[in] rhs + * The left hand side of the expression * - * @return true if operands are not equals, false otherwise. + * @return true if operands are not equal, false otherwise. */ friend bool operator !=(const DiscoveredCharacteristic& lhs, const DiscoveredCharacteristic& rhs) { return !(lhs == rhs); @@ -314,15 +396,37 @@ } protected: + /** + * Pointer to the underlying GattClient for this DiscoveredCharacteristic object. + */ GattClient *gattc; protected: + /** + * Discovered characteristic's UUID. + */ UUID uuid; + /** + * Hold the configured properties of the discovered characteristic. + * For more information refer to Properties_t. + */ Properties_t props; + /** + * Value handle of the discovered characteristic's declaration attribute. + */ GattAttribute::Handle_t declHandle; + /** + * Value handle of the discovered characteristic's value attribute. + */ GattAttribute::Handle_t valueHandle; + /** + * Value handle of the discovered characteristic's last attribute. + */ GattAttribute::Handle_t lastHandle; + /** + * Handle for the connection where the characteristic was discovered. + */ Gap::Handle_t connHandle; };