Wang Xinglu / BLE_API

High level Bluetooth Low Energy API and radio abstraction layer

Dependencies:   nRF51822

Dependents:   LinkNode_LIS3DH

Fork of BLE_API by Bluetooth Low Energy

GapAdvertisingData.cpp@3:46de446e82ed, 2013-12-11 (annotated)

Committer:
ktownsend
Date:
Wed Dec 11 22:15:59 2013 +0000
Revision:
3:46de446e82ed
Parent:
2:ffc5216bd2cc
Child:
4:50a31ff5f974
Incremental changes for GAP Advertising API

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ktownsend 2:ffc5216bd2cc 1 #include <stdio.h>
ktownsend 2:ffc5216bd2cc 2 #include <string.h>
ktownsend 2:ffc5216bd2cc 3
ktownsend 2:ffc5216bd2cc 4 #include "GapAdvertisingData.h"
ktownsend 2:ffc5216bd2cc 5
ktownsend 2:ffc5216bd2cc 6 /**************************************************************************/
ktownsend 2:ffc5216bd2cc 7 /*!
ktownsend 2:ffc5216bd2cc 8 @brief Creates a new GapAdvertisingData instance
ktownsend 2:ffc5216bd2cc 9
ktownsend 2:ffc5216bd2cc 10 @section EXAMPLE
ktownsend 2:ffc5216bd2cc 11
ktownsend 2:ffc5216bd2cc 12 @code
ktownsend 2:ffc5216bd2cc 13
ktownsend 2:ffc5216bd2cc 14 @endcode
ktownsend 2:ffc5216bd2cc 15 */
ktownsend 2:ffc5216bd2cc 16 /**************************************************************************/
ktownsend 2:ffc5216bd2cc 17 GapAdvertisingData::GapAdvertisingData(void)
ktownsend 2:ffc5216bd2cc 18 {
ktownsend 3:46de446e82ed 19 memset(_payload, 0, GAP_ADVERTISING_DATA_MAX_PAYLOAD);
ktownsend 3:46de446e82ed 20 _payloadLen = 0;
ktownsend 2:ffc5216bd2cc 21 }
ktownsend 2:ffc5216bd2cc 22
ktownsend 2:ffc5216bd2cc 23 /**************************************************************************/
ktownsend 2:ffc5216bd2cc 24 /*!
ktownsend 2:ffc5216bd2cc 25 Destructor
ktownsend 2:ffc5216bd2cc 26 */
ktownsend 2:ffc5216bd2cc 27 /**************************************************************************/
ktownsend 2:ffc5216bd2cc 28 GapAdvertisingData::~GapAdvertisingData(void)
ktownsend 2:ffc5216bd2cc 29 {
ktownsend 2:ffc5216bd2cc 30 }
ktownsend 3:46de446e82ed 31
ktownsend 3:46de446e82ed 32 /**************************************************************************/
ktownsend 3:46de446e82ed 33 /*!
ktownsend 3:46de446e82ed 34 @brief Returns the current payload length (0..31 bytes)
ktownsend 3:46de446e82ed 35 */
ktownsend 3:46de446e82ed 36 /**************************************************************************/
ktownsend 3:46de446e82ed 37 uint8_t GapAdvertisingData::getPayloadLen(void)
ktownsend 3:46de446e82ed 38 {
ktownsend 3:46de446e82ed 39 return _payloadLen;
ktownsend 3:46de446e82ed 40 }
ktownsend 3:46de446e82ed 41
ktownsend 3:46de446e82ed 42 /**************************************************************************/
ktownsend 3:46de446e82ed 43 /*!
ktownsend 3:46de446e82ed 44 @brief Adds advertising data based on the specified AD types
ktownsend 3:46de446e82ed 45
ktownsend 3:46de446e82ed 46 @args[in] adType The advertising data type to add
ktownsend 3:46de446e82ed 47 @args[in] payload Pointer to the payload contents
ktownsend 3:46de446e82ed 48 @args[in] len Size of the payload in bytes
ktownsend 3:46de446e82ed 49
ktownsend 3:46de446e82ed 50 @returns ble_error_t
ktownsend 3:46de446e82ed 51
ktownsend 3:46de446e82ed 52 @retval BLE_ERROR_NONE
ktownsend 3:46de446e82ed 53 Everything executed properly
ktownsend 3:46de446e82ed 54 @retval BLE_ERROR_BUFFER_OVERFLOW
ktownsend 3:46de446e82ed 55 The specified data would cause the advertising buffer
ktownsend 3:46de446e82ed 56 to overflow
ktownsend 3:46de446e82ed 57
ktownsend 3:46de446e82ed 58 @section EXAMPLE
ktownsend 3:46de446e82ed 59
ktownsend 3:46de446e82ed 60 @code
ktownsend 3:46de446e82ed 61
ktownsend 3:46de446e82ed 62 @endcode
ktownsend 3:46de446e82ed 63 */
ktownsend 3:46de446e82ed 64 /**************************************************************************/
ktownsend 3:46de446e82ed 65 ble_error_t GapAdvertisingData::addData(ble_gap_adv_datatype_t adType, uint8_t * payload, uint8_t len)
ktownsend 3:46de446e82ed 66 {
ktownsend 3:46de446e82ed 67 /* ToDo: Make sure we don't exceed the 31 byte payload limit */
ktownsend 3:46de446e82ed 68 if (_payloadLen + len >= GAP_ADVERTISING_DATA_MAX_PAYLOAD)
ktownsend 3:46de446e82ed 69 return BLE_ERROR_BUFFER_OVERFLOW;
ktownsend 3:46de446e82ed 70
ktownsend 3:46de446e82ed 71 memcpy(&_payload[_payloadLen], payload, len);
ktownsend 3:46de446e82ed 72 _payloadLen += len;
ktownsend 3:46de446e82ed 73
ktownsend 3:46de446e82ed 74 return BLE_ERROR_NONE;
ktownsend 3:46de446e82ed 75 }