UIDFrame.cpp

00001 /* mbed Microcontroller Library
00002  * Copyright (c) 2006-2015 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 #include "UIDFrame.h"
00018 
00019 UIDFrame::UIDFrame(void)
00020 {
00021     memset(uidNamespaceID, 0, sizeof(UIDNamespaceID_t));
00022     memset(uidInstanceID,  0,  sizeof(UIDInstanceID_t));
00023 }
00024 
00025 UIDFrame::UIDFrame(const UIDNamespaceID_t uidNamespaceIDIn, const UIDInstanceID_t  uidInstanceIDIn)
00026 {
00027     memcpy(uidNamespaceID, uidNamespaceIDIn, sizeof(UIDNamespaceID_t));
00028     memcpy(uidInstanceID,  uidInstanceIDIn,  sizeof(UIDInstanceID_t));
00029 }
00030 
00031 void UIDFrame::setUIDData(const UIDNamespaceID_t &uidNamespaceIDIn, const UIDInstanceID_t &uidInstanceIDIn)
00032 {
00033     memcpy(uidNamespaceID, uidNamespaceIDIn, sizeof(UIDNamespaceID_t));
00034     memcpy(uidInstanceID,  uidInstanceIDIn,  sizeof(UIDInstanceID_t));
00035 }
00036 
00037 void UIDFrame::constructUIDFrame(uint8_t *rawFrame, int8_t advPowerLevel)
00038 {
00039     size_t index = 0;
00040 
00041     rawFrame[index++] = EDDYSTONE_UUID[0];                                   // 16-bit Eddystone UUID
00042     rawFrame[index++] = EDDYSTONE_UUID[1];
00043     rawFrame[index++] = FRAME_TYPE_UID;                                      // 1B  Type
00044     rawFrame[index++] = advPowerLevel;                                       // 1B  Power @ 0meter
00045 
00046     memcpy(rawFrame + index, uidNamespaceID, sizeof(UIDNamespaceID_t));      // 10B Namespace ID
00047     index += sizeof(UIDNamespaceID_t);
00048     memcpy(rawFrame + index, uidInstanceID, sizeof(UIDInstanceID_t));        // 6B Instance ID
00049     index += sizeof(UIDInstanceID_t);
00050 
00051     memset(rawFrame + index, 0, 2 * sizeof(uint8_t));                        // 2B RFU, which are unused
00052 }
00053 
00054 size_t UIDFrame::getRawFrameSize(void) const
00055 {
00056     return FRAME_SIZE_UID + EDDYSTONE_UUID_SIZE;
00057 }
00058 
00059 uint8_t* UIDFrame::getUIDNamespaceID(void)
00060 {
00061     return uidNamespaceID;
00062 }
00063 
00064 uint8_t* UIDFrame::getUIDInstanceID(void)
00065 {
00066     return uidInstanceID;
00067 }