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GattCharacteristic.h
00001 /* mbed Microcontroller Library 00002 * Copyright (c) 2006-2013 ARM Limited 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00017 #ifndef __GATT_CHARACTERISTIC_H__ 00018 #define __GATT_CHARACTERISTIC_H__ 00019 00020 #include "Gap.h" 00021 #include "SecurityManager.h" 00022 #include "GattAttribute.h" 00023 #include "GattCallbackParamTypes.h" 00024 #include "FunctionPointerWithContext.h" 00025 00026 class GattCharacteristic { 00027 public: 00028 enum { 00029 UUID_BATTERY_LEVEL_STATE_CHAR = 0x2A1B, 00030 UUID_BATTERY_POWER_STATE_CHAR = 0x2A1A, 00031 UUID_REMOVABLE_CHAR = 0x2A3A, 00032 UUID_SERVICE_REQUIRED_CHAR = 0x2A3B, 00033 UUID_ALERT_CATEGORY_ID_CHAR = 0x2A43, 00034 UUID_ALERT_CATEGORY_ID_BIT_MASK_CHAR = 0x2A42, 00035 UUID_ALERT_LEVEL_CHAR = 0x2A06, 00036 UUID_ALERT_NOTIFICATION_CONTROL_POINT_CHAR = 0x2A44, 00037 UUID_ALERT_STATUS_CHAR = 0x2A3F, 00038 UUID_BATTERY_LEVEL_CHAR = 0x2A19, 00039 UUID_BLOOD_PRESSURE_FEATURE_CHAR = 0x2A49, 00040 UUID_BLOOD_PRESSURE_MEASUREMENT_CHAR = 0x2A35, 00041 UUID_BODY_SENSOR_LOCATION_CHAR = 0x2A38, 00042 UUID_BOOT_KEYBOARD_INPUT_REPORT_CHAR = 0x2A22, 00043 UUID_BOOT_KEYBOARD_OUTPUT_REPORT_CHAR = 0x2A32, 00044 UUID_BOOT_MOUSE_INPUT_REPORT_CHAR = 0x2A33, 00045 UUID_CURRENT_TIME_CHAR = 0x2A2B, 00046 UUID_DATE_TIME_CHAR = 0x2A08, 00047 UUID_DAY_DATE_TIME_CHAR = 0x2A0A, 00048 UUID_DAY_OF_WEEK_CHAR = 0x2A09, 00049 UUID_DST_OFFSET_CHAR = 0x2A0D, 00050 UUID_EXACT_TIME_256_CHAR = 0x2A0C, 00051 UUID_FIRMWARE_REVISION_STRING_CHAR = 0x2A26, 00052 UUID_GLUCOSE_FEATURE_CHAR = 0x2A51, 00053 UUID_GLUCOSE_MEASUREMENT_CHAR = 0x2A18, 00054 UUID_GLUCOSE_MEASUREMENT_CONTEXT_CHAR = 0x2A34, 00055 UUID_HARDWARE_REVISION_STRING_CHAR = 0x2A27, 00056 UUID_HEART_RATE_CONTROL_POINT_CHAR = 0x2A39, 00057 UUID_HEART_RATE_MEASUREMENT_CHAR = 0x2A37, 00058 UUID_HID_CONTROL_POINT_CHAR = 0x2A4C, 00059 UUID_HID_INFORMATION_CHAR = 0x2A4A, 00060 UUID_HUMIDITY_CHAR = 0x2A6F, 00061 UUID_IEEE_REGULATORY_CERTIFICATION_DATA_LIST_CHAR = 0x2A2A, 00062 UUID_INTERMEDIATE_CUFF_PRESSURE_CHAR = 0x2A36, 00063 UUID_INTERMEDIATE_TEMPERATURE_CHAR = 0x2A1E, 00064 UUID_LOCAL_TIME_INFORMATION_CHAR = 0x2A0F, 00065 UUID_MANUFACTURER_NAME_STRING_CHAR = 0x2A29, 00066 UUID_MEASUREMENT_INTERVAL_CHAR = 0x2A21, 00067 UUID_MODEL_NUMBER_STRING_CHAR = 0x2A24, 00068 UUID_UNREAD_ALERT_CHAR = 0x2A45, 00069 UUID_NEW_ALERT_CHAR = 0x2A46, 00070 UUID_PNP_ID_CHAR = 0x2A50, 00071 UUID_PRESSURE_CHAR = 0x2A6D, 00072 UUID_PROTOCOL_MODE_CHAR = 0x2A4E, 00073 UUID_RECORD_ACCESS_CONTROL_POINT_CHAR = 0x2A52, 00074 UUID_REFERENCE_TIME_INFORMATION_CHAR = 0x2A14, 00075 UUID_REPORT_CHAR = 0x2A4D, 00076 UUID_REPORT_MAP_CHAR = 0x2A4B, 00077 UUID_RINGER_CONTROL_POINT_CHAR = 0x2A40, 00078 UUID_RINGER_SETTING_CHAR = 0x2A41, 00079 UUID_SCAN_INTERVAL_WINDOW_CHAR = 0x2A4F, 00080 UUID_SCAN_REFRESH_CHAR = 0x2A31, 00081 UUID_SERIAL_NUMBER_STRING_CHAR = 0x2A25, 00082 UUID_SOFTWARE_REVISION_STRING_CHAR = 0x2A28, 00083 UUID_SUPPORTED_NEW_ALERT_CATEGORY_CHAR = 0x2A47, 00084 UUID_SUPPORTED_UNREAD_ALERT_CATEGORY_CHAR = 0x2A48, 00085 UUID_SYSTEM_ID_CHAR = 0x2A23, 00086 UUID_TEMPERATURE_CHAR = 0x2A6E, 00087 UUID_TEMPERATURE_MEASUREMENT_CHAR = 0x2A1C, 00088 UUID_TEMPERATURE_TYPE_CHAR = 0x2A1D, 00089 UUID_TIME_ACCURACY_CHAR = 0x2A12, 00090 UUID_TIME_SOURCE_CHAR = 0x2A13, 00091 UUID_TIME_UPDATE_CONTROL_POINT_CHAR = 0x2A16, 00092 UUID_TIME_UPDATE_STATE_CHAR = 0x2A17, 00093 UUID_TIME_WITH_DST_CHAR = 0x2A11, 00094 UUID_TIME_ZONE_CHAR = 0x2A0E, 00095 UUID_TX_POWER_LEVEL_CHAR = 0x2A07, 00096 UUID_CSC_FEATURE_CHAR = 0x2A5C, 00097 UUID_CSC_MEASUREMENT_CHAR = 0x2A5B, 00098 UUID_RSC_FEATURE_CHAR = 0x2A54, 00099 UUID_RSC_MEASUREMENT_CHAR = 0x2A53 00100 }; 00101 00102 /**************************************************************************/ 00103 /*! 00104 \brief Standard GATT characteristic presentation format unit types. 00105 These unit types are used to describe what the raw numeric 00106 data in a characteristic actually represents. 00107 00108 \note See https://developer.bluetooth.org/gatt/units/Pages/default.aspx 00109 */ 00110 /**************************************************************************/ 00111 enum { 00112 BLE_GATT_UNIT_NONE = 0x2700, /**< No specified unit type. */ 00113 BLE_GATT_UNIT_LENGTH_METRE = 0x2701, /**< Length, metre. */ 00114 BLE_GATT_UNIT_MASS_KILOGRAM = 0x2702, /**< Mass, kilogram. */ 00115 BLE_GATT_UNIT_TIME_SECOND = 0x2703, /**< Time, second. */ 00116 BLE_GATT_UNIT_ELECTRIC_CURRENT_AMPERE = 0x2704, /**< Electric current, ampere. */ 00117 BLE_GATT_UNIT_THERMODYNAMIC_TEMPERATURE_KELVIN = 0x2705, /**< Thermodynamic temperature, kelvin. */ 00118 BLE_GATT_UNIT_AMOUNT_OF_SUBSTANCE_MOLE = 0x2706, /**< Amount of substance, mole. */ 00119 BLE_GATT_UNIT_LUMINOUS_INTENSITY_CANDELA = 0x2707, /**< Luminous intensity, candela. */ 00120 BLE_GATT_UNIT_AREA_SQUARE_METRES = 0x2710, /**< Area, square metres. */ 00121 BLE_GATT_UNIT_VOLUME_CUBIC_METRES = 0x2711, /**< Volume, cubic metres. */ 00122 BLE_GATT_UNIT_VELOCITY_METRES_PER_SECOND = 0x2712, /**< Velocity, metres per second. */ 00123 BLE_GATT_UNIT_ACCELERATION_METRES_PER_SECOND_SQUARED = 0x2713, /**< Acceleration, metres per second squared. */ 00124 BLE_GATT_UNIT_WAVENUMBER_RECIPROCAL_METRE = 0x2714, /**< Wave number reciprocal, metre. */ 00125 BLE_GATT_UNIT_DENSITY_KILOGRAM_PER_CUBIC_METRE = 0x2715, /**< Density, kilogram per cubic metre. */ 00126 BLE_GATT_UNIT_SURFACE_DENSITY_KILOGRAM_PER_SQUARE_METRE = 0x2716, /**< */ 00127 BLE_GATT_UNIT_SPECIFIC_VOLUME_CUBIC_METRE_PER_KILOGRAM = 0x2717, /**< */ 00128 BLE_GATT_UNIT_CURRENT_DENSITY_AMPERE_PER_SQUARE_METRE = 0x2718, /**< */ 00129 BLE_GATT_UNIT_MAGNETIC_FIELD_STRENGTH_AMPERE_PER_METRE = 0x2719, /**< Magnetic field strength, ampere per metre. */ 00130 BLE_GATT_UNIT_AMOUNT_CONCENTRATION_MOLE_PER_CUBIC_METRE = 0x271A, /**< */ 00131 BLE_GATT_UNIT_MASS_CONCENTRATION_KILOGRAM_PER_CUBIC_METRE = 0x271B, /**< */ 00132 BLE_GATT_UNIT_LUMINANCE_CANDELA_PER_SQUARE_METRE = 0x271C, /**< */ 00133 BLE_GATT_UNIT_REFRACTIVE_INDEX = 0x271D, /**< */ 00134 BLE_GATT_UNIT_RELATIVE_PERMEABILITY = 0x271E, /**< */ 00135 BLE_GATT_UNIT_PLANE_ANGLE_RADIAN = 0x2720, /**< */ 00136 BLE_GATT_UNIT_SOLID_ANGLE_STERADIAN = 0x2721, /**< */ 00137 BLE_GATT_UNIT_FREQUENCY_HERTZ = 0x2722, /**< Frequency, hertz. */ 00138 BLE_GATT_UNIT_FORCE_NEWTON = 0x2723, /**< Force, newton. */ 00139 BLE_GATT_UNIT_PRESSURE_PASCAL = 0x2724, /**< Pressure, pascal. */ 00140 BLE_GATT_UNIT_ENERGY_JOULE = 0x2725, /**< Energy, joule. */ 00141 BLE_GATT_UNIT_POWER_WATT = 0x2726, /**< Power, watt. */ 00142 BLE_GATT_UNIT_ELECTRIC_CHARGE_COULOMB = 0x2727, /**< Electrical charge, coulomb. */ 00143 BLE_GATT_UNIT_ELECTRIC_POTENTIAL_DIFFERENCE_VOLT = 0x2728, /**< Electrical potential difference, voltage. */ 00144 BLE_GATT_UNIT_CAPACITANCE_FARAD = 0x2729, /**< */ 00145 BLE_GATT_UNIT_ELECTRIC_RESISTANCE_OHM = 0x272A, /**< */ 00146 BLE_GATT_UNIT_ELECTRIC_CONDUCTANCE_SIEMENS = 0x272B, /**< */ 00147 BLE_GATT_UNIT_MAGNETIC_FLEX_WEBER = 0x272C, /**< */ 00148 BLE_GATT_UNIT_MAGNETIC_FLEX_DENSITY_TESLA = 0x272D, /**< */ 00149 BLE_GATT_UNIT_INDUCTANCE_HENRY = 0x272E, /**< */ 00150 BLE_GATT_UNIT_THERMODYNAMIC_TEMPERATURE_DEGREE_CELSIUS = 0x272F, /**< */ 00151 BLE_GATT_UNIT_LUMINOUS_FLUX_LUMEN = 0x2730, /**< */ 00152 BLE_GATT_UNIT_ILLUMINANCE_LUX = 0x2731, /**< */ 00153 BLE_GATT_UNIT_ACTIVITY_REFERRED_TO_A_RADIONUCLIDE_BECQUEREL = 0x2732, /**< */ 00154 BLE_GATT_UNIT_ABSORBED_DOSE_GRAY = 0x2733, /**< */ 00155 BLE_GATT_UNIT_DOSE_EQUIVALENT_SIEVERT = 0x2734, /**< */ 00156 BLE_GATT_UNIT_CATALYTIC_ACTIVITY_KATAL = 0x2735, /**< */ 00157 BLE_GATT_UNIT_DYNAMIC_VISCOSITY_PASCAL_SECOND = 0x2740, /**< */ 00158 BLE_GATT_UNIT_MOMENT_OF_FORCE_NEWTON_METRE = 0x2741, /**< */ 00159 BLE_GATT_UNIT_SURFACE_TENSION_NEWTON_PER_METRE = 0x2742, /**< */ 00160 BLE_GATT_UNIT_ANGULAR_VELOCITY_RADIAN_PER_SECOND = 0x2743, /**< */ 00161 BLE_GATT_UNIT_ANGULAR_ACCELERATION_RADIAN_PER_SECOND_SQUARED = 0x2744, /**< */ 00162 BLE_GATT_UNIT_HEAT_FLUX_DENSITY_WATT_PER_SQUARE_METRE = 0x2745, /**< */ 00163 BLE_GATT_UNIT_HEAT_CAPACITY_JOULE_PER_KELVIN = 0x2746, /**< */ 00164 BLE_GATT_UNIT_SPECIFIC_HEAT_CAPACITY_JOULE_PER_KILOGRAM_KELVIN = 0x2747, /**< */ 00165 BLE_GATT_UNIT_SPECIFIC_ENERGY_JOULE_PER_KILOGRAM = 0x2748, /**< */ 00166 BLE_GATT_UNIT_THERMAL_CONDUCTIVITY_WATT_PER_METRE_KELVIN = 0x2749, /**< */ 00167 BLE_GATT_UNIT_ENERGY_DENSITY_JOULE_PER_CUBIC_METRE = 0x274A, /**< */ 00168 BLE_GATT_UNIT_ELECTRIC_FIELD_STRENGTH_VOLT_PER_METRE = 0x274B, /**< */ 00169 BLE_GATT_UNIT_ELECTRIC_CHARGE_DENSITY_COULOMB_PER_CUBIC_METRE = 0x274C, /**< */ 00170 BLE_GATT_UNIT_SURFACE_CHARGE_DENSITY_COULOMB_PER_SQUARE_METRE = 0x274D, /**< */ 00171 BLE_GATT_UNIT_ELECTRIC_FLUX_DENSITY_COULOMB_PER_SQUARE_METRE = 0x274E, /**< */ 00172 BLE_GATT_UNIT_PERMITTIVITY_FARAD_PER_METRE = 0x274F, /**< */ 00173 BLE_GATT_UNIT_PERMEABILITY_HENRY_PER_METRE = 0x2750, /**< */ 00174 BLE_GATT_UNIT_MOLAR_ENERGY_JOULE_PER_MOLE = 0x2751, /**< */ 00175 BLE_GATT_UNIT_MOLAR_ENTROPY_JOULE_PER_MOLE_KELVIN = 0x2752, /**< */ 00176 BLE_GATT_UNIT_EXPOSURE_COULOMB_PER_KILOGRAM = 0x2753, /**< */ 00177 BLE_GATT_UNIT_ABSORBED_DOSE_RATE_GRAY_PER_SECOND = 0x2754, /**< */ 00178 BLE_GATT_UNIT_RADIANT_INTENSITY_WATT_PER_STERADIAN = 0x2755, /**< */ 00179 BLE_GATT_UNIT_RADIANCE_WATT_PER_SQUARE_METRE_STERADIAN = 0x2756, /**< */ 00180 BLE_GATT_UNIT_CATALYTIC_ACTIVITY_CONCENTRATION_KATAL_PER_CUBIC_METRE = 0x2757, /**< */ 00181 BLE_GATT_UNIT_TIME_MINUTE = 0x2760, /**< Time, minute. */ 00182 BLE_GATT_UNIT_TIME_HOUR = 0x2761, /**< Time, hour. */ 00183 BLE_GATT_UNIT_TIME_DAY = 0x2762, /**< Time, day. */ 00184 BLE_GATT_UNIT_PLANE_ANGLE_DEGREE = 0x2763, /**< */ 00185 BLE_GATT_UNIT_PLANE_ANGLE_MINUTE = 0x2764, /**< */ 00186 BLE_GATT_UNIT_PLANE_ANGLE_SECOND = 0x2765, /**< */ 00187 BLE_GATT_UNIT_AREA_HECTARE = 0x2766, /**< */ 00188 BLE_GATT_UNIT_VOLUME_LITRE = 0x2767, /**< */ 00189 BLE_GATT_UNIT_MASS_TONNE = 0x2768, /**< */ 00190 BLE_GATT_UNIT_PRESSURE_BAR = 0x2780, /**< Pressure, bar. */ 00191 BLE_GATT_UNIT_PRESSURE_MILLIMETRE_OF_MERCURY = 0x2781, /**< Pressure, millimetre of mercury. */ 00192 BLE_GATT_UNIT_LENGTH_ANGSTROM = 0x2782, /**< */ 00193 BLE_GATT_UNIT_LENGTH_NAUTICAL_MILE = 0x2783, /**< */ 00194 BLE_GATT_UNIT_AREA_BARN = 0x2784, /**< */ 00195 BLE_GATT_UNIT_VELOCITY_KNOT = 0x2785, /**< */ 00196 BLE_GATT_UNIT_LOGARITHMIC_RADIO_QUANTITY_NEPER = 0x2786, /**< */ 00197 BLE_GATT_UNIT_LOGARITHMIC_RADIO_QUANTITY_BEL = 0x2787, /**< */ 00198 BLE_GATT_UNIT_LENGTH_YARD = 0x27A0, /**< Length, yard. */ 00199 BLE_GATT_UNIT_LENGTH_PARSEC = 0x27A1, /**< Length, parsec. */ 00200 BLE_GATT_UNIT_LENGTH_INCH = 0x27A2, /**< Length, inch. */ 00201 BLE_GATT_UNIT_LENGTH_FOOT = 0x27A3, /**< Length, foot. */ 00202 BLE_GATT_UNIT_LENGTH_MILE = 0x27A4, /**< Length, mile. */ 00203 BLE_GATT_UNIT_PRESSURE_POUND_FORCE_PER_SQUARE_INCH = 0x27A5, /**< */ 00204 BLE_GATT_UNIT_VELOCITY_KILOMETRE_PER_HOUR = 0x27A6, /**< Velocity, kilometre per hour. */ 00205 BLE_GATT_UNIT_VELOCITY_MILE_PER_HOUR = 0x27A7, /**< Velocity, mile per hour. */ 00206 BLE_GATT_UNIT_ANGULAR_VELOCITY_REVOLUTION_PER_MINUTE = 0x27A8, /**< Angular Velocity, revolution per minute. */ 00207 BLE_GATT_UNIT_ENERGY_GRAM_CALORIE = 0x27A9, /**< Energy, gram calorie. */ 00208 BLE_GATT_UNIT_ENERGY_KILOGRAM_CALORIE = 0x27AA, /**< Energy, kilogram calorie. */ 00209 BLE_GATT_UNIT_ENERGY_KILOWATT_HOUR = 0x27AB, /**< Energy, killowatt hour. */ 00210 BLE_GATT_UNIT_THERMODYNAMIC_TEMPERATURE_DEGREE_FAHRENHEIT = 0x27AC, /**< */ 00211 BLE_GATT_UNIT_PERCENTAGE = 0x27AD, /**< Percentage. */ 00212 BLE_GATT_UNIT_PER_MILLE = 0x27AE, /**< */ 00213 BLE_GATT_UNIT_PERIOD_BEATS_PER_MINUTE = 0x27AF, /**< */ 00214 BLE_GATT_UNIT_ELECTRIC_CHARGE_AMPERE_HOURS = 0x27B0, /**< */ 00215 BLE_GATT_UNIT_MASS_DENSITY_MILLIGRAM_PER_DECILITRE = 0x27B1, /**< */ 00216 BLE_GATT_UNIT_MASS_DENSITY_MILLIMOLE_PER_LITRE = 0x27B2, /**< */ 00217 BLE_GATT_UNIT_TIME_YEAR = 0x27B3, /**< Time, year. */ 00218 BLE_GATT_UNIT_TIME_MONTH = 0x27B4, /**< Time, month. */ 00219 BLE_GATT_UNIT_CONCENTRATION_COUNT_PER_CUBIC_METRE = 0x27B5, /**< */ 00220 BLE_GATT_UNIT_IRRADIANCE_WATT_PER_SQUARE_METRE = 0x27B6 /**< */ 00221 }; 00222 00223 /**************************************************************************/ 00224 /*! 00225 \brief Standard GATT number types. 00226 00227 \note See Bluetooth Specification 4.0 (Vol. 3), Part G, Section 3.3.3.5.2 00228 \note See http://developer.bluetooth.org/gatt/descriptors/Pages/DescriptorViewer.aspx?u=org.bluetooth.descriptor.gatt.characteristic_presentation_format.xml 00229 */ 00230 /**************************************************************************/ 00231 enum { 00232 BLE_GATT_FORMAT_RFU = 0x00, /**< Reserved for future use. */ 00233 BLE_GATT_FORMAT_BOOLEAN = 0x01, /**< Boolean. */ 00234 BLE_GATT_FORMAT_2BIT = 0x02, /**< Unsigned 2-bit integer. */ 00235 BLE_GATT_FORMAT_NIBBLE = 0x03, /**< Unsigned 4-bit integer. */ 00236 BLE_GATT_FORMAT_UINT8 = 0x04, /**< Unsigned 8-bit integer. */ 00237 BLE_GATT_FORMAT_UINT12 = 0x05, /**< Unsigned 12-bit integer. */ 00238 BLE_GATT_FORMAT_UINT16 = 0x06, /**< Unsigned 16-bit integer. */ 00239 BLE_GATT_FORMAT_UINT24 = 0x07, /**< Unsigned 24-bit integer. */ 00240 BLE_GATT_FORMAT_UINT32 = 0x08, /**< Unsigned 32-bit integer. */ 00241 BLE_GATT_FORMAT_UINT48 = 0x09, /**< Unsigned 48-bit integer. */ 00242 BLE_GATT_FORMAT_UINT64 = 0x0A, /**< Unsigned 64-bit integer. */ 00243 BLE_GATT_FORMAT_UINT128 = 0x0B, /**< Unsigned 128-bit integer. */ 00244 BLE_GATT_FORMAT_SINT8 = 0x0C, /**< Signed 2-bit integer. */ 00245 BLE_GATT_FORMAT_SINT12 = 0x0D, /**< Signed 12-bit integer. */ 00246 BLE_GATT_FORMAT_SINT16 = 0x0E, /**< Signed 16-bit integer. */ 00247 BLE_GATT_FORMAT_SINT24 = 0x0F, /**< Signed 24-bit integer. */ 00248 BLE_GATT_FORMAT_SINT32 = 0x10, /**< Signed 32-bit integer. */ 00249 BLE_GATT_FORMAT_SINT48 = 0x11, /**< Signed 48-bit integer. */ 00250 BLE_GATT_FORMAT_SINT64 = 0x12, /**< Signed 64-bit integer. */ 00251 BLE_GATT_FORMAT_SINT128 = 0x13, /**< Signed 128-bit integer. */ 00252 BLE_GATT_FORMAT_FLOAT32 = 0x14, /**< IEEE-754 32-bit floating point. */ 00253 BLE_GATT_FORMAT_FLOAT64 = 0x15, /**< IEEE-754 64-bit floating point. */ 00254 BLE_GATT_FORMAT_SFLOAT = 0x16, /**< IEEE-11073 16-bit SFLOAT. */ 00255 BLE_GATT_FORMAT_FLOAT = 0x17, /**< IEEE-11073 32-bit FLOAT. */ 00256 BLE_GATT_FORMAT_DUINT16 = 0x18, /**< IEEE-20601 format. */ 00257 BLE_GATT_FORMAT_UTF8S = 0x19, /**< UTF-8 string. */ 00258 BLE_GATT_FORMAT_UTF16S = 0x1A, /**< UTF-16 string. */ 00259 BLE_GATT_FORMAT_STRUCT = 0x1B /**< Opaque Structure. */ 00260 }; 00261 00262 /**************************************************************************/ 00263 /*! 00264 \brief Standard GATT characteristic properties. 00265 00266 \note See Bluetooth Specification 4.0 (Vol. 3), Part G, Section 3.3.1.1 00267 and Section 3.3.3.1 for Extended Properties 00268 */ 00269 /**************************************************************************/ 00270 enum Properties_t { 00271 BLE_GATT_CHAR_PROPERTIES_NONE = 0x00, 00272 BLE_GATT_CHAR_PROPERTIES_BROADCAST = 0x01, /**< Permits broadcasts of the characteristic value using the Server Characteristic Configuration descriptor. */ 00273 BLE_GATT_CHAR_PROPERTIES_READ = 0x02, /**< Permits reads of the characteristic value. */ 00274 BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE = 0x04, /**< Permits writes of the characteristic value without response. */ 00275 BLE_GATT_CHAR_PROPERTIES_WRITE = 0x08, /**< Permits writes of the characteristic value with response. */ 00276 BLE_GATT_CHAR_PROPERTIES_NOTIFY = 0x10, /**< Permits notifications of a characteristic value without acknowledgment. */ 00277 BLE_GATT_CHAR_PROPERTIES_INDICATE = 0x20, /**< Permits indications of a characteristic value with acknowledgment. */ 00278 BLE_GATT_CHAR_PROPERTIES_AUTHENTICATED_SIGNED_WRITES = 0x40, /**< Permits signed writes to the characteristic value. */ 00279 BLE_GATT_CHAR_PROPERTIES_EXTENDED_PROPERTIES = 0x80 /**< Additional characteristic properties are defined in the Characteristic Extended Properties descriptor */ 00280 }; 00281 00282 /**************************************************************************/ 00283 /*! 00284 \brief GATT presentation format wrapper 00285 00286 \note See Bluetooth Specification 4.0 (Vol. 3), Part G, Section 3.3.3.5 00287 \note See https://developer.bluetooth.org/gatt/descriptors/Pages/DescriptorViewer.aspx?u=org.bluetooth.descriptor.gatt.characteristic_presentation_format.xml 00288 */ 00289 /**************************************************************************/ 00290 struct PresentationFormat_t { 00291 uint8_t gatt_format; /**< Format of the value; see @ref ble_gatt_format_t. */ 00292 int8_t exponent; /**< Exponent for integer data types. Example: if Exponent = -3 and the char value is 3892, the actual value is 3.892 */ 00293 uint16_t gatt_unit; /**< UUID from Bluetooth Assigned Numbers; see @ref ble_gatt_unit_t. */ 00294 uint8_t gatt_namespace; /**< Namespace from Bluetooth Assigned Numbers, normally '1'; see @ref BLE_GATT_CPF_NAMESPACES. */ 00295 uint16_t gatt_nsdesc; /**< Namespace description from Bluetooth Assigned Numbers, normally '0'; see @ref BLE_GATT_CPF_NAMESPACES. */ 00296 }; 00297 00298 /** 00299 * @brief Creates a new GattCharacteristic using the specified 16-bit 00300 * UUID, value length, and properties. 00301 * 00302 * @note The UUID value must be unique in the service and is normally >1. 00303 * 00304 * @param[in] uuid 00305 * The UUID to use for this characteristic. 00306 * @param[in] valuePtr 00307 * The memory holding the initial value. The value is copied 00308 * into the stack when the enclosing service is added, and 00309 * is thereafter maintained internally by the stack. 00310 * @param[in] initialLen 00311 * The min length in bytes of this characteristic's value. 00312 * @param[in] maxLen 00313 * The max length in bytes of this characteristic's value. 00314 * @param[in] props 00315 * The 8-bit field containing the characteristic's properties. 00316 * @param[in] descriptors 00317 * A pointer to an array of descriptors to be included within 00318 * this characteristic. The memory for the descriptor array is 00319 * owned by the caller, and should remain valid at least until 00320 * the enclosing service is added to the GATT table. 00321 * @param[in] numDescriptors 00322 * The number of descriptors in the previous array. 00323 * 00324 * @NOTE: If valuePtr == NULL, initialLength == 0, and properties == READ 00325 * for the value attribute of a characteristic, then that particular 00326 * characteristic may be considered optional and dropped while 00327 * instantiating the service with the underlying BLE stack. 00328 */ 00329 GattCharacteristic(const UUID &uuid, 00330 uint8_t *valuePtr = NULL, 00331 uint16_t initialLen = 0, 00332 uint16_t maxLen = 0, 00333 uint8_t props = BLE_GATT_CHAR_PROPERTIES_NONE, 00334 GattAttribute *descriptors[] = NULL, 00335 unsigned numDescriptors = 0) : 00336 _valueAttribute(uuid, valuePtr, initialLen, maxLen), 00337 _properties(props), 00338 _requiredSecurity(SecurityManager::SECURITY_MODE_ENCRYPTION_OPEN_LINK), 00339 _descriptors(descriptors), 00340 _descriptorCount(numDescriptors), 00341 enabledReadAuthorization(false), 00342 enabledWriteAuthorization(false), 00343 readAuthorizationCallback(), 00344 writeAuthorizationCallback() { 00345 /* empty */ 00346 } 00347 00348 public: 00349 /** 00350 * Set up the minimum security (mode and level) requirements for access to the characteristic's value attribute. 00351 * 00352 * @param securityMode Can be one of encryption or signing, with or without protection for man in the middle attacks (MITM). 00353 */ 00354 void requireSecurity(SecurityManager::SecurityMode_t securityMode) { 00355 _requiredSecurity = securityMode; 00356 } 00357 00358 public: 00359 /** 00360 * Authorization. 00361 */ 00362 void setWriteAuthorizationCallback(void (*callback)(GattWriteAuthCallbackParams *)) { 00363 writeAuthorizationCallback.attach(callback); 00364 enabledWriteAuthorization = true; 00365 } 00366 template <typename T> 00367 void setWriteAuthorizationCallback(T *object, void (T::*member)(GattWriteAuthCallbackParams *)) { 00368 writeAuthorizationCallback.attach(object, member); 00369 enabledWriteAuthorization = true; 00370 } 00371 void setReadAuthorizationCallback(void (*callback)(GattReadAuthCallbackParams *)) { 00372 readAuthorizationCallback.attach(callback); 00373 enabledReadAuthorization = true; 00374 } 00375 template <typename T> 00376 void setReadAuthorizationCallback(T *object, void (T::*member)(GattReadAuthCallbackParams *)) { 00377 readAuthorizationCallback.attach(object, member); 00378 enabledReadAuthorization = true; 00379 } 00380 00381 /** 00382 * Helper function meant to be called from the guts of the BLE stack to 00383 * determine the authorization reply for a write request. 00384 * @param params To capture the context of the write-auth request. Also contains an out-parameter for reply. 00385 * @return true if the write is authorized to proceed. 00386 */ 00387 GattAuthCallbackReply_t authorizeWrite(GattWriteAuthCallbackParams *params) { 00388 if (!isWriteAuthorizationEnabled()) { 00389 return AUTH_CALLBACK_REPLY_SUCCESS; 00390 } 00391 00392 params->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS; /* Initialized to no-error by default. */ 00393 writeAuthorizationCallback.call(params); 00394 return params->authorizationReply; 00395 } 00396 00397 /** 00398 * Helper function meant to be called from the guts of the BLE stack to 00399 * determine the authorization reply for a read request. 00400 * @param params To capture the context of the read-auth request. 00401 * 00402 * @NOTE: To authorize or deny the read the params->authorizationReply field 00403 * should be set to true (authorize) or false (deny). 00404 * 00405 * If the read is approved and params->data is unchanged (NULL), 00406 * the current characteristic value will be used. 00407 * 00408 * If the read is approved, a new value can be provided by setting 00409 * the params->data pointer and params->len fields. 00410 * 00411 * @return true if the read is authorized to proceed. 00412 */ 00413 GattAuthCallbackReply_t authorizeRead(GattReadAuthCallbackParams *params) { 00414 if (!isReadAuthorizationEnabled()) { 00415 return AUTH_CALLBACK_REPLY_SUCCESS; 00416 } 00417 00418 params->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS; /* Initialized to no-error by default. */ 00419 readAuthorizationCallback.call(params); 00420 return params->authorizationReply; 00421 } 00422 00423 /* accessors */ 00424 public: 00425 GattAttribute& getValueAttribute() {return _valueAttribute; } 00426 const GattAttribute& getValueAttribute() const {return _valueAttribute; } 00427 GattAttribute::Handle_t getValueHandle(void) const {return getValueAttribute().getHandle();} 00428 uint8_t getProperties(void) const {return _properties; } 00429 SecurityManager::SecurityMode_t getRequiredSecurity() const {return _requiredSecurity; } 00430 uint8_t getDescriptorCount(void) const {return _descriptorCount; } 00431 bool isReadAuthorizationEnabled() const {return enabledReadAuthorization; } 00432 bool isWriteAuthorizationEnabled() const {return enabledWriteAuthorization; } 00433 00434 GattAttribute *getDescriptor(uint8_t index) { 00435 if (index >= _descriptorCount) { 00436 return NULL; 00437 } 00438 00439 return _descriptors[index]; 00440 } 00441 00442 private: 00443 GattAttribute _valueAttribute; 00444 uint8_t _properties; 00445 SecurityManager::SecurityMode_t _requiredSecurity; 00446 GattAttribute **_descriptors; 00447 uint8_t _descriptorCount; 00448 00449 bool enabledReadAuthorization; 00450 bool enabledWriteAuthorization; 00451 FunctionPointerWithContext<GattReadAuthCallbackParams *> readAuthorizationCallback; 00452 FunctionPointerWithContext<GattWriteAuthCallbackParams *> writeAuthorizationCallback; 00453 00454 private: 00455 /* Disallow copy and assignment. */ 00456 GattCharacteristic(const GattCharacteristic &); 00457 GattCharacteristic& operator=(const GattCharacteristic &); 00458 }; 00459 00460 template <typename T> 00461 class ReadOnlyGattCharacteristic : public GattCharacteristic { 00462 public: 00463 ReadOnlyGattCharacteristic<T>(const UUID &uuid, 00464 T *valuePtr, 00465 uint8_t additionalProperties = BLE_GATT_CHAR_PROPERTIES_NONE, 00466 GattAttribute *descriptors[] = NULL, 00467 unsigned numDescriptors = 0) : 00468 GattCharacteristic(uuid, reinterpret_cast<uint8_t *>(valuePtr), sizeof(T), sizeof(T), 00469 BLE_GATT_CHAR_PROPERTIES_READ | additionalProperties, descriptors, numDescriptors) { 00470 /* empty */ 00471 } 00472 }; 00473 00474 template <typename T> 00475 class WriteOnlyGattCharacteristic : public GattCharacteristic { 00476 public: 00477 WriteOnlyGattCharacteristic<T>(const UUID &uuid, 00478 T *valuePtr, 00479 uint8_t additionalProperties = BLE_GATT_CHAR_PROPERTIES_NONE, 00480 GattAttribute *descriptors[] = NULL, 00481 unsigned numDescriptors = 0) : 00482 GattCharacteristic(uuid, reinterpret_cast<uint8_t *>(valuePtr), sizeof(T), sizeof(T), 00483 BLE_GATT_CHAR_PROPERTIES_WRITE | additionalProperties, descriptors, numDescriptors) { 00484 /* empty */ 00485 } 00486 }; 00487 00488 template <typename T> 00489 class ReadWriteGattCharacteristic : public GattCharacteristic { 00490 public: 00491 ReadWriteGattCharacteristic<T>(const UUID &uuid, 00492 T *valuePtr, 00493 uint8_t additionalProperties = BLE_GATT_CHAR_PROPERTIES_NONE, 00494 GattAttribute *descriptors[] = NULL, 00495 unsigned numDescriptors = 0) : 00496 GattCharacteristic(uuid, reinterpret_cast<uint8_t *>(valuePtr), sizeof(T), sizeof(T), 00497 BLE_GATT_CHAR_PROPERTIES_READ | BLE_GATT_CHAR_PROPERTIES_WRITE | additionalProperties, descriptors, numDescriptors) { 00498 /* empty */ 00499 } 00500 }; 00501 00502 template <typename T, unsigned NUM_ELEMENTS> 00503 class WriteOnlyArrayGattCharacteristic : public GattCharacteristic { 00504 public: 00505 WriteOnlyArrayGattCharacteristic<T, NUM_ELEMENTS>(const UUID &uuid, 00506 T valuePtr[NUM_ELEMENTS], 00507 uint8_t additionalProperties = BLE_GATT_CHAR_PROPERTIES_NONE, 00508 GattAttribute *descriptors[] = NULL, 00509 unsigned numDescriptors = 0) : 00510 GattCharacteristic(uuid, reinterpret_cast<uint8_t *>(valuePtr), sizeof(T) * NUM_ELEMENTS, sizeof(T) * NUM_ELEMENTS, 00511 BLE_GATT_CHAR_PROPERTIES_WRITE | additionalProperties, descriptors, numDescriptors) { 00512 /* empty */ 00513 } 00514 }; 00515 00516 template <typename T, unsigned NUM_ELEMENTS> 00517 class ReadOnlyArrayGattCharacteristic : public GattCharacteristic { 00518 public: 00519 ReadOnlyArrayGattCharacteristic<T, NUM_ELEMENTS>(const UUID &uuid, 00520 T valuePtr[NUM_ELEMENTS], 00521 uint8_t additionalProperties = BLE_GATT_CHAR_PROPERTIES_NONE, 00522 GattAttribute *descriptors[] = NULL, 00523 unsigned numDescriptors = 0) : 00524 GattCharacteristic(uuid, reinterpret_cast<uint8_t *>(valuePtr), sizeof(T) * NUM_ELEMENTS, sizeof(T) * NUM_ELEMENTS, 00525 BLE_GATT_CHAR_PROPERTIES_READ | additionalProperties, descriptors, numDescriptors) { 00526 /* empty */ 00527 } 00528 }; 00529 00530 template <typename T, unsigned NUM_ELEMENTS> 00531 class ReadWriteArrayGattCharacteristic : public GattCharacteristic { 00532 public: 00533 ReadWriteArrayGattCharacteristic<T, NUM_ELEMENTS>(const UUID &uuid, 00534 T valuePtr[NUM_ELEMENTS], 00535 uint8_t additionalProperties = BLE_GATT_CHAR_PROPERTIES_NONE, 00536 GattAttribute *descriptors[] = NULL, 00537 unsigned numDescriptors = 0) : 00538 GattCharacteristic(uuid, reinterpret_cast<uint8_t *>(valuePtr), sizeof(T) * NUM_ELEMENTS, sizeof(T) * NUM_ELEMENTS, 00539 BLE_GATT_CHAR_PROPERTIES_READ | BLE_GATT_CHAR_PROPERTIES_WRITE | additionalProperties, descriptors, numDescriptors) { 00540 /* empty */ 00541 } 00542 }; 00543 00544 #endif // ifndef __GATT_CHARACTERISTIC_H__
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