ST / Mbed OS mbed-os-example-ble-EddystoneService

BLE EddystoneService example

This example is a fork of the following mbed-os example:

https://developer.mbed.org/teams/mbed-os-examples/code/mbed-os-example-ble-EddystoneService/

Please read the documentation in this page.

source/URLFrame.cpp@41:97bbb1eb43d7, 2017-07-28 (annotated)

Committer:
bcostm
Date:
Fri Jul 28 10:07:05 2017 +0200
Revision:
41:97bbb1eb43d7
Parent:
3:5120491ba317 
Add DISCO_L475VG_IOT01A in mbed_app.json

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 3:5120491ba317 1 /* mbed Microcontroller Library
mbed_official 3:5120491ba317 2 * Copyright (c) 2006-2015 ARM Limited
mbed_official 3:5120491ba317 3 *
mbed_official 3:5120491ba317 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 3:5120491ba317 5 * you may not use this file except in compliance with the License.
mbed_official 3:5120491ba317 6 * You may obtain a copy of the License at
mbed_official 3:5120491ba317 7 *
mbed_official 3:5120491ba317 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 3:5120491ba317 9 *
mbed_official 3:5120491ba317 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 3:5120491ba317 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 3:5120491ba317 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 3:5120491ba317 13 * See the License for the specific language governing permissions and
mbed_official 3:5120491ba317 14 * limitations under the License.
mbed_official 3:5120491ba317 15 */
mbed_official 3:5120491ba317 16
mbed_official 3:5120491ba317 17 #include "URLFrame.h"
mbed_official 3:5120491ba317 18
mbed_official 3:5120491ba317 19 URLFrame::URLFrame(void)
mbed_official 3:5120491ba317 20 {
mbed_official 3:5120491ba317 21 urlDataLength = 0;
mbed_official 3:5120491ba317 22 memset(urlData, 0, sizeof(UrlData_t));
mbed_official 3:5120491ba317 23 }
mbed_official 3:5120491ba317 24
mbed_official 3:5120491ba317 25 URLFrame::URLFrame(const char *urlDataIn)
mbed_official 3:5120491ba317 26 {
mbed_official 3:5120491ba317 27 encodeURL(urlDataIn);
mbed_official 3:5120491ba317 28 }
mbed_official 3:5120491ba317 29
mbed_official 3:5120491ba317 30 URLFrame::URLFrame(UrlData_t urlDataIn, uint8_t urlDataLengthIn)
mbed_official 3:5120491ba317 31 {
mbed_official 3:5120491ba317 32 urlDataLength = (urlDataLengthIn > URL_DATA_MAX) ? URL_DATA_MAX : urlDataLengthIn;
mbed_official 3:5120491ba317 33 memcpy(urlData, urlDataIn, urlDataLength);
mbed_official 3:5120491ba317 34 }
mbed_official 3:5120491ba317 35
mbed_official 3:5120491ba317 36 void URLFrame::constructURLFrame(uint8_t* rawFrame, int8_t advPowerLevel)
mbed_official 3:5120491ba317 37 {
mbed_official 3:5120491ba317 38 size_t index = 0;
mbed_official 3:5120491ba317 39 rawFrame[index++] = EDDYSTONE_UUID[0]; // 16-bit Eddystone UUID
mbed_official 3:5120491ba317 40 rawFrame[index++] = EDDYSTONE_UUID[1];
mbed_official 3:5120491ba317 41 rawFrame[index++] = FRAME_TYPE_URL; // 1B Type
mbed_official 3:5120491ba317 42 rawFrame[index++] = advPowerLevel; // 1B Power @ 0meter
mbed_official 3:5120491ba317 43 memcpy(rawFrame + index, urlData, urlDataLength); // Encoded URL
mbed_official 3:5120491ba317 44 }
mbed_official 3:5120491ba317 45
mbed_official 3:5120491ba317 46 size_t URLFrame::getRawFrameSize(void) const
mbed_official 3:5120491ba317 47 {
mbed_official 3:5120491ba317 48 return urlDataLength + FRAME_MIN_SIZE_URL + EDDYSTONE_UUID_SIZE;
mbed_official 3:5120491ba317 49 }
mbed_official 3:5120491ba317 50
mbed_official 3:5120491ba317 51 uint8_t* URLFrame::getEncodedURLData(void)
mbed_official 3:5120491ba317 52 {
mbed_official 3:5120491ba317 53 return urlData;
mbed_official 3:5120491ba317 54 }
mbed_official 3:5120491ba317 55
mbed_official 3:5120491ba317 56 uint8_t URLFrame::getEncodedURLDataLength(void) const
mbed_official 3:5120491ba317 57 {
mbed_official 3:5120491ba317 58 return urlDataLength;
mbed_official 3:5120491ba317 59 }
mbed_official 3:5120491ba317 60
mbed_official 3:5120491ba317 61 void URLFrame::setURLData(const char *urlDataIn)
mbed_official 3:5120491ba317 62 {
mbed_official 3:5120491ba317 63 encodeURL(urlDataIn);
mbed_official 3:5120491ba317 64 }
mbed_official 3:5120491ba317 65
mbed_official 3:5120491ba317 66 void URLFrame::setEncodedURLData(const uint8_t* urlEncodedDataIn, const uint8_t urlEncodedDataLengthIn)
mbed_official 3:5120491ba317 67 {
mbed_official 3:5120491ba317 68 urlDataLength = urlEncodedDataLengthIn;
mbed_official 3:5120491ba317 69 memcpy(urlData, urlEncodedDataIn, urlEncodedDataLengthIn);
mbed_official 3:5120491ba317 70 }
mbed_official 3:5120491ba317 71
mbed_official 3:5120491ba317 72 void URLFrame::encodeURL(const char *urlDataIn)
mbed_official 3:5120491ba317 73 {
mbed_official 3:5120491ba317 74 const char *prefixes[] = {
mbed_official 3:5120491ba317 75 "http://www.",
mbed_official 3:5120491ba317 76 "https://www.",
mbed_official 3:5120491ba317 77 "http://",
mbed_official 3:5120491ba317 78 "https://",
mbed_official 3:5120491ba317 79 };
mbed_official 3:5120491ba317 80 const size_t NUM_PREFIXES = sizeof(prefixes) / sizeof(char *);
mbed_official 3:5120491ba317 81 const char *suffixes[] = {
mbed_official 3:5120491ba317 82 ".com/",
mbed_official 3:5120491ba317 83 ".org/",
mbed_official 3:5120491ba317 84 ".edu/",
mbed_official 3:5120491ba317 85 ".net/",
mbed_official 3:5120491ba317 86 ".info/",
mbed_official 3:5120491ba317 87 ".biz/",
mbed_official 3:5120491ba317 88 ".gov/",
mbed_official 3:5120491ba317 89 ".com",
mbed_official 3:5120491ba317 90 ".org",
mbed_official 3:5120491ba317 91 ".edu",
mbed_official 3:5120491ba317 92 ".net",
mbed_official 3:5120491ba317 93 ".info",
mbed_official 3:5120491ba317 94 ".biz",
mbed_official 3:5120491ba317 95 ".gov"
mbed_official 3:5120491ba317 96 };
mbed_official 3:5120491ba317 97 const size_t NUM_SUFFIXES = sizeof(suffixes) / sizeof(char *);
mbed_official 3:5120491ba317 98
mbed_official 3:5120491ba317 99 urlDataLength = 0;
mbed_official 3:5120491ba317 100 memset(urlData, 0, sizeof(UrlData_t));
mbed_official 3:5120491ba317 101
mbed_official 3:5120491ba317 102 if ((urlDataIn == NULL) || (strlen(urlDataIn) == 0)) {
mbed_official 3:5120491ba317 103 return;
mbed_official 3:5120491ba317 104 }
mbed_official 3:5120491ba317 105
mbed_official 3:5120491ba317 106 /*
mbed_official 3:5120491ba317 107 * handle prefix
mbed_official 3:5120491ba317 108 */
mbed_official 3:5120491ba317 109 for (size_t i = 0; i < NUM_PREFIXES; i++) {
mbed_official 3:5120491ba317 110 size_t prefixLen = strlen(prefixes[i]);
mbed_official 3:5120491ba317 111 if (strncmp(urlDataIn, prefixes[i], prefixLen) == 0) {
mbed_official 3:5120491ba317 112 urlData[urlDataLength++] = i;
mbed_official 3:5120491ba317 113 urlDataIn += prefixLen;
mbed_official 3:5120491ba317 114 break;
mbed_official 3:5120491ba317 115 }
mbed_official 3:5120491ba317 116 }
mbed_official 3:5120491ba317 117
mbed_official 3:5120491ba317 118 /*
mbed_official 3:5120491ba317 119 * handle suffixes
mbed_official 3:5120491ba317 120 */
mbed_official 3:5120491ba317 121 while (*urlDataIn && (urlDataLength < URL_DATA_MAX)) {
mbed_official 3:5120491ba317 122 /* check for suffix match */
mbed_official 3:5120491ba317 123 size_t i;
mbed_official 3:5120491ba317 124 for (i = 0; i < NUM_SUFFIXES; i++) {
mbed_official 3:5120491ba317 125 size_t suffixLen = strlen(suffixes[i]);
mbed_official 3:5120491ba317 126 if (strncmp(urlDataIn, suffixes[i], suffixLen) == 0) {
mbed_official 3:5120491ba317 127 urlData[urlDataLength++] = i;
mbed_official 3:5120491ba317 128 urlDataIn += suffixLen;
mbed_official 3:5120491ba317 129 break; /* from the for loop for checking against suffixes */
mbed_official 3:5120491ba317 130 }
mbed_official 3:5120491ba317 131 }
mbed_official 3:5120491ba317 132 /* This is the default case where we've got an ordinary character which doesn't match a suffix. */
mbed_official 3:5120491ba317 133 if (i == NUM_SUFFIXES) {
mbed_official 3:5120491ba317 134 urlData[urlDataLength++] = *urlDataIn;
mbed_official 3:5120491ba317 135 ++urlDataIn;
mbed_official 3:5120491ba317 136 }
mbed_official 3:5120491ba317 137 }
mbed_official 3:5120491ba317 138 }