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Bluetooth Low Energy
Diff: ble/GapAdvertisingData.h
- Revision:
- 912:f728aa46e7df
- Parent:
- 907:f9a79127973a
- Child:
- 913:690bea02c431
--- a/ble/GapAdvertisingData.h Thu Nov 26 12:52:03 2015 +0000
+++ b/ble/GapAdvertisingData.h Thu Nov 26 12:52:03 2015 +0000
@@ -28,10 +28,10 @@
/*!
\brief
This class provides several helper functions to generate properly
- formatted GAP Advertising and Scan Response data payloads.
+ formatted GAP Advertising and Scan Response data payloads
\note
- See Bluetooth Specification 4.0 (Vol. 3), Part C, Sections 11 and 18
+ See Bluetooth Specification 4.0 (Vol. 3), Part C, Section 11 and 18
for further information on Advertising and Scan Response data.
\par Advertising and Scan Response Payloads
@@ -40,22 +40,22 @@
Specification v4.0, Vol. 3, Part C, Sections 11 and 18).
\par
- Each AD type has its own standardized assigned number, as defined
+ Each AD type has it's own standardized 'assigned number', as defined
by the Bluetooth SIG:
https://www.bluetooth.org/en-us/specification/assigned-numbers/generic-access-profile
\par
- For convenience, all appropriate AD types are encapsulated
- in GapAdvertisingData::DataType.
+ For convenience sake, all appropriate AD types have been encapsulated
+ into GapAdvertisingData::DataType.
\par
Before the AD Types and their payload (if any) can be inserted into
the Advertising or Scan Response frames, they need to be formatted as
follows:
- \li \c Record length (1 byte).
- \li \c AD Type (1 byte).
- \li \c AD payload (optional; only present if record length > 1).
+ \li \c Record length (1 byte)
+ \li \c AD Type (1 byte)
+ \li \c AD payload (optional, only present if record length > 1)
\par
This class takes care of properly formatting the payload, performs
@@ -80,7 +80,7 @@
\brief
A list of Advertising Data types commonly used by peripherals.
These AD types are used to describe the capabilities of the
- peripheral, and are inserted inside the advertising or scan
+ peripheral, and get inserted inside the advertising or scan
response payloads.
\par Source
@@ -89,29 +89,29 @@
*/
/**********************************************************************/
enum DataType_t {
- FLAGS = 0x01, /**< \ref *Flags. */
- INCOMPLETE_LIST_16BIT_SERVICE_IDS = 0x02, /**< Incomplete list of 16-bit service IDs. */
- COMPLETE_LIST_16BIT_SERVICE_IDS = 0x03, /**< Complete list of 16-bit service IDs. */
- INCOMPLETE_LIST_32BIT_SERVICE_IDS = 0x04, /**< Incomplete list of 32-bit service IDs (not relevant for Bluetooth 4.0). */
- COMPLETE_LIST_32BIT_SERVICE_IDS = 0x05, /**< Complete list of 32-bit service IDs (not relevant for Bluetooth 4.0). */
- INCOMPLETE_LIST_128BIT_SERVICE_IDS = 0x06, /**< Incomplete list of 128-bit service IDs. */
- COMPLETE_LIST_128BIT_SERVICE_IDS = 0x07, /**< Complete list of 128-bit service IDs. */
- SHORTENED_LOCAL_NAME = 0x08, /**< Shortened local name. */
- COMPLETE_LOCAL_NAME = 0x09, /**< Complete local name. */
- TX_POWER_LEVEL = 0x0A, /**< TX power level (in dBm). */
- DEVICE_ID = 0x10, /**< Device ID. */
- SLAVE_CONNECTION_INTERVAL_RANGE = 0x12, /**< Slave connection interval range. */
- SERVICE_DATA = 0x16, /**< Service data. */
- APPEARANCE = 0x19, /**< \ref Appearance. */
- ADVERTISING_INTERVAL = 0x1A, /**< Advertising interval. */
- MANUFACTURER_SPECIFIC_DATA = 0xFF /**< Manufacturer specific data. */
+ FLAGS = 0x01, /**< \ref *Flags */
+ INCOMPLETE_LIST_16BIT_SERVICE_IDS = 0x02, /**< Incomplete list of 16-bit Service IDs */
+ COMPLETE_LIST_16BIT_SERVICE_IDS = 0x03, /**< Complete list of 16-bit Service IDs */
+ INCOMPLETE_LIST_32BIT_SERVICE_IDS = 0x04, /**< Incomplete list of 32-bit Service IDs (not relevant for Bluetooth 4.0) */
+ COMPLETE_LIST_32BIT_SERVICE_IDS = 0x05, /**< Complete list of 32-bit Service IDs (not relevant for Bluetooth 4.0) */
+ INCOMPLETE_LIST_128BIT_SERVICE_IDS = 0x06, /**< Incomplete list of 128-bit Service IDs */
+ COMPLETE_LIST_128BIT_SERVICE_IDS = 0x07, /**< Complete list of 128-bit Service IDs */
+ SHORTENED_LOCAL_NAME = 0x08, /**< Shortened Local Name */
+ COMPLETE_LOCAL_NAME = 0x09, /**< Complete Local Name */
+ TX_POWER_LEVEL = 0x0A, /**< TX Power Level (in dBm) */
+ DEVICE_ID = 0x10, /**< Device ID */
+ SLAVE_CONNECTION_INTERVAL_RANGE = 0x12, /**< Slave Connection Interval Range */
+ SERVICE_DATA = 0x16, /**< Service Data */
+ APPEARANCE = 0x19, /**< \ref Appearance */
+ ADVERTISING_INTERVAL = 0x1A, /**< Advertising Interval */
+ MANUFACTURER_SPECIFIC_DATA = 0xFF /**< Manufacturer Specific Data */
};
typedef enum DataType_t DataType; /* Deprecated type alias. This may be dropped in a future release. */
/**********************************************************************/
/*!
\brief
- A list of values for the FLAGS AD Type.
+ A list of values for the FLAGS AD Type
\note
You can use more than one value in the FLAGS AD Type (ex.
@@ -122,11 +122,11 @@
*/
/**********************************************************************/
enum Flags_t {
- LE_LIMITED_DISCOVERABLE = 0x01, /**< *Peripheral device is discoverable for a limited period of time. */
- LE_GENERAL_DISCOVERABLE = 0x02, /**< Peripheral device is discoverable at any moment. */
- BREDR_NOT_SUPPORTED = 0x04, /**< Peripheral device is LE only. */
- SIMULTANEOUS_LE_BREDR_C = 0x08, /**< Not relevant - central mode only. */
- SIMULTANEOUS_LE_BREDR_H = 0x10 /**< Not relevant - central mode only. */
+ LE_LIMITED_DISCOVERABLE = 0x01, /**< *Peripheral device is discoverable for a limited period of time */
+ LE_GENERAL_DISCOVERABLE = 0x02, /**< Peripheral device is discoverable at any moment */
+ BREDR_NOT_SUPPORTED = 0x04, /**< Peripheral device is LE only */
+ SIMULTANEOUS_LE_BREDR_C = 0x08, /**< Not relevant - central mode only */
+ SIMULTANEOUS_LE_BREDR_H = 0x10 /**< Not relevant - central mode only */
};
typedef enum Flags_t Flags; /* Deprecated type alias. This may be dropped in a future release. */
@@ -134,7 +134,7 @@
/*!
\brief
A list of values for the APPEARANCE AD Type, which describes the
- physical shape or appearance of the device.
+ physical shape or appearance of the device
\par Source
\li \c Bluetooth Core Specification Supplement, Part A, Section 1.12
@@ -143,54 +143,54 @@
*/
/**********************************************************************/
enum Appearance_t {
- UNKNOWN = 0, /**< Unknown or unspecified appearance type. */
- GENERIC_PHONE = 64, /**< Generic Phone. */
- GENERIC_COMPUTER = 128, /**< Generic Computer. */
- GENERIC_WATCH = 192, /**< Generic Watch. */
- WATCH_SPORTS_WATCH = 193, /**< Sports Watch. */
- GENERIC_CLOCK = 256, /**< Generic Clock. */
- GENERIC_DISPLAY = 320, /**< Generic Display. */
- GENERIC_REMOTE_CONTROL = 384, /**< Generic Remote Control. */
- GENERIC_EYE_GLASSES = 448, /**< Generic Eye Glasses. */
- GENERIC_TAG = 512, /**< Generic Tag. */
- GENERIC_KEYRING = 576, /**< Generic Keyring. */
- GENERIC_MEDIA_PLAYER = 640, /**< Generic Media Player. */
- GENERIC_BARCODE_SCANNER = 704, /**< Generic Barcode Scanner. */
- GENERIC_THERMOMETER = 768, /**< Generic Thermometer. */
- THERMOMETER_EAR = 769, /**< Ear Thermometer. */
- GENERIC_HEART_RATE_SENSOR = 832, /**< Generic Heart Rate Sensor. */
- HEART_RATE_SENSOR_HEART_RATE_BELT = 833, /**< Belt Heart Rate Sensor. */
- GENERIC_BLOOD_PRESSURE = 896, /**< Generic Blood Pressure. */
- BLOOD_PRESSURE_ARM = 897, /**< Arm Blood Pressure. */
- BLOOD_PRESSURE_WRIST = 898, /**< Wrist Blood Pressure. */
- HUMAN_INTERFACE_DEVICE_HID = 960, /**< Human Interface Device (HID). */
- KEYBOARD = 961, /**< Keyboard. */
- MOUSE = 962, /**< Mouse. */
- JOYSTICK = 963, /**< Joystick. */
- GAMEPAD = 964, /**< Gamepad. */
- DIGITIZER_TABLET = 965, /**< Digitizer Tablet. */
- CARD_READER = 966, /**< Card Reader. */
- DIGITAL_PEN = 967, /**< Digital Pen. */
- BARCODE_SCANNER = 968, /**< Barcode Scanner. */
- GENERIC_GLUCOSE_METER = 1024, /**< Generic Glucose Meter. */
- GENERIC_RUNNING_WALKING_SENSOR = 1088, /**< Generic Running/Walking Sensor. */
- RUNNING_WALKING_SENSOR_IN_SHOE = 1089, /**< In Shoe Running/Walking Sensor. */
- RUNNING_WALKING_SENSOR_ON_SHOE = 1090, /**< On Shoe Running/Walking Sensor. */
- RUNNING_WALKING_SENSOR_ON_HIP = 1091, /**< On Hip Running/Walking Sensor. */
- GENERIC_CYCLING = 1152, /**< Generic Cycling. */
- CYCLING_CYCLING_COMPUTER = 1153, /**< Cycling Computer. */
- CYCLING_SPEED_SENSOR = 1154, /**< Cycling Speed Sensor. */
- CYCLING_CADENCE_SENSOR = 1155, /**< Cycling Cadence Sensor. */
- CYCLING_POWER_SENSOR = 1156, /**< Cycling Power Sensor. */
- CYCLING_SPEED_AND_CADENCE_SENSOR = 1157, /**< Cycling Speed and Cadence Sensor. */
- PULSE_OXIMETER_GENERIC = 3136, /**< Generic Pulse Oximeter. */
- PULSE_OXIMETER_FINGERTIP = 3137, /**< Fingertip Pulse Oximeter. */
- PULSE_OXIMETER_WRIST_WORN = 3138, /**< Wrist Worn Pulse Oximeter. */
- OUTDOOR_GENERIC = 5184, /**< Generic Outdoor. */
- OUTDOOR_LOCATION_DISPLAY_DEVICE = 5185, /**< Outdoor Location Display Device. */
- OUTDOOR_LOCATION_AND_NAVIGATION_DISPLAY_DEVICE = 5186, /**< Outdoor Location and Navigation Display Device. */
- OUTDOOR_LOCATION_POD = 5187, /**< Outdoor Location Pod. */
- OUTDOOR_LOCATION_AND_NAVIGATION_POD = 5188 /**< Outdoor Location and Navigation Pod. */
+ UNKNOWN = 0, /**< Unknown of unspecified appearance type */
+ GENERIC_PHONE = 64, /**< Generic Phone */
+ GENERIC_COMPUTER = 128, /**< Generic Computer */
+ GENERIC_WATCH = 192, /**< Generic Watch */
+ WATCH_SPORTS_WATCH = 193, /**< Sports Watch */
+ GENERIC_CLOCK = 256, /**< Generic Clock */
+ GENERIC_DISPLAY = 320, /**< Generic Display */
+ GENERIC_REMOTE_CONTROL = 384, /**< Generic Remote Control */
+ GENERIC_EYE_GLASSES = 448, /**< Generic Eye Glasses */
+ GENERIC_TAG = 512, /**< Generic Tag */
+ GENERIC_KEYRING = 576, /**< Generic Keyring */
+ GENERIC_MEDIA_PLAYER = 640, /**< Generic Media Player */
+ GENERIC_BARCODE_SCANNER = 704, /**< Generic Barcode Scanner */
+ GENERIC_THERMOMETER = 768, /**< Generic Thermometer */
+ THERMOMETER_EAR = 769, /**< Ear Thermometer */
+ GENERIC_HEART_RATE_SENSOR = 832, /**< Generic Heart Rate Sensor */
+ HEART_RATE_SENSOR_HEART_RATE_BELT = 833, /**< Belt Heart Rate Sensor */
+ GENERIC_BLOOD_PRESSURE = 896, /**< Generic Blood Pressure */
+ BLOOD_PRESSURE_ARM = 897, /**< Arm Blood Pressure */
+ BLOOD_PRESSURE_WRIST = 898, /**< Wrist Blood Pressure */
+ HUMAN_INTERFACE_DEVICE_HID = 960, /**< Human Interface Device (HID) */
+ KEYBOARD = 961, /**< Keyboard */
+ MOUSE = 962, /**< Mouse */
+ JOYSTICK = 963, /**< Joystick */
+ GAMEPAD = 964, /**< Gamepad */
+ DIGITIZER_TABLET = 965, /**< Digitizer Tablet */
+ CARD_READER = 966, /**< Card Read */
+ DIGITAL_PEN = 967, /**< Digital Pen */
+ BARCODE_SCANNER = 968, /**< Barcode Scanner */
+ GENERIC_GLUCOSE_METER = 1024, /**< Generic Glucose Meter */
+ GENERIC_RUNNING_WALKING_SENSOR = 1088, /**< Generic Running/Walking Sensor */
+ RUNNING_WALKING_SENSOR_IN_SHOE = 1089, /**< In Shoe Running/Walking Sensor */
+ RUNNING_WALKING_SENSOR_ON_SHOE = 1090, /**< On Shoe Running/Walking Sensor */
+ RUNNING_WALKING_SENSOR_ON_HIP = 1091, /**< On Hip Running/Walking Sensor */
+ GENERIC_CYCLING = 1152, /**< Generic Cycling */
+ CYCLING_CYCLING_COMPUTER = 1153, /**< Cycling Computer */
+ CYCLING_SPEED_SENSOR = 1154, /**< Cycling Speed Senspr */
+ CYCLING_CADENCE_SENSOR = 1155, /**< Cycling Cadence Sensor */
+ CYCLING_POWER_SENSOR = 1156, /**< Cycling Power Sensor */
+ CYCLING_SPEED_AND_CADENCE_SENSOR = 1157, /**< Cycling Speed and Cadence Sensor */
+ PULSE_OXIMETER_GENERIC = 3136, /**< Generic Pulse Oximeter */
+ PULSE_OXIMETER_FINGERTIP = 3137, /**< Fingertip Pulse Oximeter */
+ PULSE_OXIMETER_WRIST_WORN = 3138, /**< Wrist Worn Pulse Oximeter */
+ OUTDOOR_GENERIC = 5184, /**< Generic Outdoor */
+ OUTDOOR_LOCATION_DISPLAY_DEVICE = 5185, /**< Outdoor Location Display Device */
+ OUTDOOR_LOCATION_AND_NAVIGATION_DISPLAY_DEVICE = 5186, /**< Outdoor Location and Navigation Display Device */
+ OUTDOOR_LOCATION_POD = 5187, /**< Outdoor Location Pod */
+ OUTDOOR_LOCATION_AND_NAVIGATION_POD = 5188 /**< Outdoor Location and Navigation Pod */
};
typedef enum Appearance_t Appearance; /* Deprecated type alias. This may be dropped in a future release. */
@@ -199,34 +199,34 @@
}
/**
- * Adds advertising data based on the specified AD type (see DataType).
+ * Adds advertising data based on the specified AD type (see DataType)
*
- * @param advDataType The Advertising 'DataType' to add.
- * @param payload Pointer to the payload contents.
- * @param len Size of the payload in bytes.
+ * @param advDataType The Advertising 'DataType' to add
+ * @param payload Pointer to the payload contents
+ * @param len Size of the payload in bytes
*
* @return BLE_ERROR_BUFFER_OVERFLOW if the specified data would cause the
* advertising buffer to overflow, else BLE_ERROR_NONE.
*/
ble_error_t addData(DataType advDataType, const uint8_t *payload, uint8_t len)
{
- /* To Do: Check if an AD type already exists and if the existing */
- /* value is exclusive or not (flags and so on). */
+ /* ToDo: Check if an AD type already exists and if the existing */
+ /* value is exclusive or not (flags, etc.) */
- /* Make sure we don't exceed the 31 byte payload limit. */
+ /* Make sure we don't exceed the 31 byte payload limit */
if (_payloadLen + len + 2 > GAP_ADVERTISING_DATA_MAX_PAYLOAD) {
return BLE_ERROR_BUFFER_OVERFLOW;
}
- /* Field length. */
+ /* Field length */
memset(&_payload[_payloadLen], len + 1, 1);
_payloadLen++;
- /* Field ID. */
+ /* Field ID */
memset(&_payload[_payloadLen], (uint8_t)advDataType, 1);
_payloadLen++;
- /* Payload. */
+ /* Payload */
memcpy(&_payload[_payloadLen], payload, len);
_payloadLen += len;
@@ -253,7 +253,7 @@
/* A local struct to describe an ADV field. This definition comes from the Bluetooth Core Spec. (v4.2) Part C, Section 11. */
struct ADVField_t {
- uint8_t len; /* Describes the length (in bytes) of the following type and bytes. */
+ uint8_t len; /* Describes the length (in bytes) of the following 'type' and 'bytes'. */
uint8_t type; /* Should have the same representation of DataType_t (above). */
uint8_t bytes[0]; /* A placeholder for variable length data. */
};
@@ -262,23 +262,23 @@
uint8_t byteIndex = 0;
while (byteIndex < _payloadLen) {
ADVField_t *currentADV = (ADVField_t *)&_payload[byteIndex];
- if ((currentADV->len == (len + 1)) && /* Incoming len only describes the payload, whereas ADV->len describes [type + payload]. */
+ if ((currentADV->len == (len + 1)) && /* incoming 'len' only describes the payload, whereas ADV->len describes 'type + payload' */
(currentADV->type == advDataType)) {
memcpy(currentADV->bytes, payload, len);
return BLE_ERROR_NONE;
}
- byteIndex += (currentADV->len + 1); /* Advance by len+1; '+1' is needed to span the len field itself. */
+ byteIndex += (currentADV->len + 1); /* advance by len+1; '+1' is needed to span the len field itself. */
}
return BLE_ERROR_UNSPECIFIED;
}
/**
- * Helper function to add APPEARANCE data to the advertising payload.
+ * Helper function to add APPEARANCE data to the advertising payload
*
* @param appearance
- * The APPEARANCE value to add.
+ * The APPEARANCE value to add
*
* @return BLE_ERROR_BUFFER_OVERFLOW if the specified data would cause the
* advertising buffer to overflow, else BLE_ERROR_NONE.
@@ -306,18 +306,18 @@
}
/**
- * Helper function to add TX_POWER_LEVEL data to the advertising payload.
+ * Helper function to add TX_POWER_LEVEL data to the advertising payload
*
* @return BLE_ERROR_BUFFER_OVERFLOW if the specified data would cause the
* advertising buffer to overflow, else BLE_ERROR_NONE.
*/
ble_error_t addTxPower(int8_t txPower) {
- /* To Do: Basic error checking to make sure txPower is in range. */
+ /* ToDo: Basic error checking to make sure txPower is in range */
return addData(GapAdvertisingData::TX_POWER_LEVEL, (uint8_t *)&txPower, 1);
}
/**
- * Clears the payload and resets the payload length counter.
+ * Clears the payload and resets the payload length counter
*/
void clear(void) {
memset(&_payload, 0, GAP_ADVERTISING_DATA_MAX_PAYLOAD);
@@ -325,21 +325,21 @@
}
/**
- * Returns a pointer to the current payload.
+ * Returns a pointer to the the current payload
*/
const uint8_t *getPayload(void) const {
return _payload;
}
/**
- * Returns the current payload length (0..31 bytes).
+ * Returns the current payload length (0..31 bytes)
*/
uint8_t getPayloadLen(void) const {
return _payloadLen;
}
/**
- * Returns the 16-bit appearance value for this device.
+ * Returns the 16-bit appearance value for this device
*/
uint16_t getAppearance(void) const {
return (uint16_t)_appearance;