Marco Ferreira
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Bluetooth Low Energy
ble/services/EddystoneService.h@918:2b12b53101ea, 2015-11-26 (annotated)
- Committer:
- rgrover1
- Date:
- Thu Nov 26 12:52:04 2015 +0000
- Revision:
- 918:2b12b53101ea
Synchronized with git rev 162fb4f7
Author: Vincent Coubard
Add detach operation to CallChainOfFunctionPointersWithContext, Add
operator== to functionpointerWithContext class
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| rgrover1 | 918:2b12b53101ea | 1 | /* mbed Microcontroller Library |
| rgrover1 | 918:2b12b53101ea | 2 | * Copyright (c) 2006-2015 ARM Limited |
| rgrover1 | 918:2b12b53101ea | 3 | * |
| rgrover1 | 918:2b12b53101ea | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| rgrover1 | 918:2b12b53101ea | 5 | * you may not use this file except in compliance with the License. |
| rgrover1 | 918:2b12b53101ea | 6 | * You may obtain a copy of the License at |
| rgrover1 | 918:2b12b53101ea | 7 | * |
| rgrover1 | 918:2b12b53101ea | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| rgrover1 | 918:2b12b53101ea | 9 | * |
| rgrover1 | 918:2b12b53101ea | 10 | * Unless required by applicable law or agreed to in writing, software |
| rgrover1 | 918:2b12b53101ea | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| rgrover1 | 918:2b12b53101ea | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| rgrover1 | 918:2b12b53101ea | 13 | * See the License for the specific language governing permissions and |
| rgrover1 | 918:2b12b53101ea | 14 | * limitations under the License. |
| rgrover1 | 918:2b12b53101ea | 15 | */ |
| rgrover1 | 918:2b12b53101ea | 16 | |
| rgrover1 | 918:2b12b53101ea | 17 | #ifndef SERVICES_EDDYSTONEBEACON_H_ |
| rgrover1 | 918:2b12b53101ea | 18 | #define SERVICES_EDDYSTONEBEACON_H_ |
| rgrover1 | 918:2b12b53101ea | 19 | |
| rgrover1 | 918:2b12b53101ea | 20 | #include "ble/BLE.h" |
| rgrover1 | 918:2b12b53101ea | 21 | #include "mbed.h" |
| rgrover1 | 918:2b12b53101ea | 22 | #include "CircularBuffer.h" |
| rgrover1 | 918:2b12b53101ea | 23 | static const uint8_t BEACON_EDDYSTONE[] = {0xAA, 0xFE}; |
| rgrover1 | 918:2b12b53101ea | 24 | |
| rgrover1 | 918:2b12b53101ea | 25 | //Debug is disabled by default |
| rgrover1 | 918:2b12b53101ea | 26 | #if 0 |
| rgrover1 | 918:2b12b53101ea | 27 | #define DBG(MSG, ...) printf("[EddyStone: DBG]" MSG " \t[%s,%d]\r\n", \ |
| rgrover1 | 918:2b12b53101ea | 28 | ## __VA_ARGS__, \ |
| rgrover1 | 918:2b12b53101ea | 29 | __FILE__, \ |
| rgrover1 | 918:2b12b53101ea | 30 | __LINE__); |
| rgrover1 | 918:2b12b53101ea | 31 | #define WARN(MSG, ...) printf("[EddyStone: WARN]" MSG " \t[%s,%d]\r\n", \ |
| rgrover1 | 918:2b12b53101ea | 32 | ## __VA_ARGS__, \ |
| rgrover1 | 918:2b12b53101ea | 33 | __FILE__, \ |
| rgrover1 | 918:2b12b53101ea | 34 | __LINE__); |
| rgrover1 | 918:2b12b53101ea | 35 | #define ERR(MSG, ...) printf("[EddyStone: ERR]" MSG " \t[%s,%d]\r\n", \ |
| rgrover1 | 918:2b12b53101ea | 36 | ## __VA_ARGS__, \ |
| rgrover1 | 918:2b12b53101ea | 37 | __FILE__, \ |
| rgrover1 | 918:2b12b53101ea | 38 | __LINE__); |
| rgrover1 | 918:2b12b53101ea | 39 | #else // if 0 |
| rgrover1 | 918:2b12b53101ea | 40 | #define DBG(x, ...) //wait_us(10); |
| rgrover1 | 918:2b12b53101ea | 41 | #define WARN(x, ...) //wait_us(10); |
| rgrover1 | 918:2b12b53101ea | 42 | #define ERR(x, ...) |
| rgrover1 | 918:2b12b53101ea | 43 | #endif // if 0 |
| rgrover1 | 918:2b12b53101ea | 44 | |
| rgrover1 | 918:2b12b53101ea | 45 | #if 0 |
| rgrover1 | 918:2b12b53101ea | 46 | #define INFO(x, ...) printf("[EddyStone: INFO]"x " \t[%s,%d]\r\n", \ |
| rgrover1 | 918:2b12b53101ea | 47 | ## __VA_ARGS__, \ |
| rgrover1 | 918:2b12b53101ea | 48 | __FILE__, \ |
| rgrover1 | 918:2b12b53101ea | 49 | __LINE__); |
| rgrover1 | 918:2b12b53101ea | 50 | #else // if 0 |
| rgrover1 | 918:2b12b53101ea | 51 | #define INFO(x, ...) |
| rgrover1 | 918:2b12b53101ea | 52 | #endif // if 0 |
| rgrover1 | 918:2b12b53101ea | 53 | |
| rgrover1 | 918:2b12b53101ea | 54 | /** |
| rgrover1 | 918:2b12b53101ea | 55 | * @class Eddystone |
| rgrover1 | 918:2b12b53101ea | 56 | * @brief Eddystone Configuration Service. Can be used to set URL, adjust power levels, and set flags. |
| rgrover1 | 918:2b12b53101ea | 57 | * See https://github.com/google/eddystone |
| rgrover1 | 918:2b12b53101ea | 58 | * |
| rgrover1 | 918:2b12b53101ea | 59 | */ |
| rgrover1 | 918:2b12b53101ea | 60 | class EddystoneService |
| rgrover1 | 918:2b12b53101ea | 61 | { |
| rgrover1 | 918:2b12b53101ea | 62 | public: |
| rgrover1 | 918:2b12b53101ea | 63 | enum FrameTypes { |
| rgrover1 | 918:2b12b53101ea | 64 | NONE, |
| rgrover1 | 918:2b12b53101ea | 65 | url, |
| rgrover1 | 918:2b12b53101ea | 66 | uid, |
| rgrover1 | 918:2b12b53101ea | 67 | tlm |
| rgrover1 | 918:2b12b53101ea | 68 | }; |
| rgrover1 | 918:2b12b53101ea | 69 | |
| rgrover1 | 918:2b12b53101ea | 70 | static const int SERVICE_DATA_MAX = 31; // Maximum size of service data in ADV packets |
| rgrover1 | 918:2b12b53101ea | 71 | |
| rgrover1 | 918:2b12b53101ea | 72 | // There are currently 3 subframes defined, URI, UID, and TLM |
| rgrover1 | 918:2b12b53101ea | 73 | #define EDDYSTONE_MAX_FRAMETYPE 3 |
| rgrover1 | 918:2b12b53101ea | 74 | void (*frames[EDDYSTONE_MAX_FRAMETYPE])(uint8_t *, uint32_t); |
| rgrover1 | 918:2b12b53101ea | 75 | static const int URI_DATA_MAX = 18; |
| rgrover1 | 918:2b12b53101ea | 76 | typedef uint8_t UriData_t[URI_DATA_MAX]; |
| rgrover1 | 918:2b12b53101ea | 77 | CircularBuffer<FrameTypes, EDDYSTONE_MAX_FRAMETYPE> overflow; |
| rgrover1 | 918:2b12b53101ea | 78 | |
| rgrover1 | 918:2b12b53101ea | 79 | // UID Frame Type subfields |
| rgrover1 | 918:2b12b53101ea | 80 | static const int UID_NAMESPACEID_SIZE = 10; |
| rgrover1 | 918:2b12b53101ea | 81 | typedef uint8_t UIDNamespaceID_t[UID_NAMESPACEID_SIZE]; |
| rgrover1 | 918:2b12b53101ea | 82 | static const int UID_INSTANCEID_SIZE = 6; |
| rgrover1 | 918:2b12b53101ea | 83 | typedef uint8_t UIDInstanceID_t[UID_INSTANCEID_SIZE]; |
| rgrover1 | 918:2b12b53101ea | 84 | |
| rgrover1 | 918:2b12b53101ea | 85 | // Eddystone Frame Type ID |
| rgrover1 | 918:2b12b53101ea | 86 | static const uint8_t FRAME_TYPE_UID = 0x00; |
| rgrover1 | 918:2b12b53101ea | 87 | static const uint8_t FRAME_TYPE_URL = 0x10; |
| rgrover1 | 918:2b12b53101ea | 88 | static const uint8_t FRAME_TYPE_TLM = 0x20; |
| rgrover1 | 918:2b12b53101ea | 89 | |
| rgrover1 | 918:2b12b53101ea | 90 | static const uint8_t FRAME_SIZE_TLM = 14; // TLM frame is a constant 14Bytes |
| rgrover1 | 918:2b12b53101ea | 91 | static const uint8_t FRAME_SIZE_UID = 20; // includes RFU bytes |
| rgrover1 | 918:2b12b53101ea | 92 | |
| rgrover1 | 918:2b12b53101ea | 93 | /** |
| rgrover1 | 918:2b12b53101ea | 94 | * Set Eddystone UID Frame information. |
| rgrover1 | 918:2b12b53101ea | 95 | * |
| rgrover1 | 918:2b12b53101ea | 96 | * @param[in] power TX Power in dB measured at 0 meters from the device. Range of -100 to +20 dB. |
| rgrover1 | 918:2b12b53101ea | 97 | * @param[in] namespaceID 10B namespace ID |
| rgrover1 | 918:2b12b53101ea | 98 | * @param[in] instanceID 6B instance ID |
| rgrover1 | 918:2b12b53101ea | 99 | * @param[in] RFU 2B of RFU, initialized to 0x0000 and not broadcast, included for future reference. |
| rgrover1 | 918:2b12b53101ea | 100 | */ |
| rgrover1 | 918:2b12b53101ea | 101 | void setUIDFrameData(int8_t power, |
| rgrover1 | 918:2b12b53101ea | 102 | UIDNamespaceID_t namespaceID, |
| rgrover1 | 918:2b12b53101ea | 103 | UIDInstanceID_t instanceID, |
| rgrover1 | 918:2b12b53101ea | 104 | float uidAdvPeriodIn, |
| rgrover1 | 918:2b12b53101ea | 105 | uint16_t RFU = 0x0000) { |
| rgrover1 | 918:2b12b53101ea | 106 | if (0.0f == uidAdvPeriodIn) { |
| rgrover1 | 918:2b12b53101ea | 107 | uidIsSet = false; |
| rgrover1 | 918:2b12b53101ea | 108 | return; |
| rgrover1 | 918:2b12b53101ea | 109 | } |
| rgrover1 | 918:2b12b53101ea | 110 | if (power > 20) { |
| rgrover1 | 918:2b12b53101ea | 111 | power = 20; |
| rgrover1 | 918:2b12b53101ea | 112 | } |
| rgrover1 | 918:2b12b53101ea | 113 | if (power < -100) { |
| rgrover1 | 918:2b12b53101ea | 114 | power = -100; |
| rgrover1 | 918:2b12b53101ea | 115 | } |
| rgrover1 | 918:2b12b53101ea | 116 | |
| rgrover1 | 918:2b12b53101ea | 117 | defaultUidPower = power; |
| rgrover1 | 918:2b12b53101ea | 118 | memcpy(defaultUidNamespaceID, namespaceID, UID_NAMESPACEID_SIZE); |
| rgrover1 | 918:2b12b53101ea | 119 | memcpy(defaultUidInstanceID, instanceID, UID_INSTANCEID_SIZE); |
| rgrover1 | 918:2b12b53101ea | 120 | uidRFU = (uint16_t)RFU; // this is probably bad form, but it doesn't really matter yet. |
| rgrover1 | 918:2b12b53101ea | 121 | uidAdvPeriod = uidAdvPeriodIn; |
| rgrover1 | 918:2b12b53101ea | 122 | uidIsSet = true; // set toggle to advertise UID frames |
| rgrover1 | 918:2b12b53101ea | 123 | } |
| rgrover1 | 918:2b12b53101ea | 124 | |
| rgrover1 | 918:2b12b53101ea | 125 | /* |
| rgrover1 | 918:2b12b53101ea | 126 | * Construct UID frame from private variables |
| rgrover1 | 918:2b12b53101ea | 127 | * @param[in/out] Data pointer to array to store constructed frame in |
| rgrover1 | 918:2b12b53101ea | 128 | * @param[in] maxSize number of bytes left in array, effectively how much empty space is available to write to |
| rgrover1 | 918:2b12b53101ea | 129 | * @return number of bytes used. negative number indicates error message. |
| rgrover1 | 918:2b12b53101ea | 130 | */ |
| rgrover1 | 918:2b12b53101ea | 131 | unsigned constructUIDFrame(uint8_t *Data, uint8_t maxSize) { |
| rgrover1 | 918:2b12b53101ea | 132 | unsigned index = 0; |
| rgrover1 | 918:2b12b53101ea | 133 | |
| rgrover1 | 918:2b12b53101ea | 134 | Data[index++] = FRAME_TYPE_UID; // 1B Type |
| rgrover1 | 918:2b12b53101ea | 135 | |
| rgrover1 | 918:2b12b53101ea | 136 | if (defaultUidPower > 20) { |
| rgrover1 | 918:2b12b53101ea | 137 | defaultUidPower = 20; // enforce range of vaild values. |
| rgrover1 | 918:2b12b53101ea | 138 | } |
| rgrover1 | 918:2b12b53101ea | 139 | if (defaultUidPower < -100) { |
| rgrover1 | 918:2b12b53101ea | 140 | defaultUidPower = -100; |
| rgrover1 | 918:2b12b53101ea | 141 | } |
| rgrover1 | 918:2b12b53101ea | 142 | Data[index++] = defaultUidPower; // 1B Power @ 0meter |
| rgrover1 | 918:2b12b53101ea | 143 | |
| rgrover1 | 918:2b12b53101ea | 144 | DBG("UID NamespaceID = '0x"); |
| rgrover1 | 918:2b12b53101ea | 145 | for (size_t x = 0; x < UID_NAMESPACEID_SIZE; x++) { // 10B Namespace ID |
| rgrover1 | 918:2b12b53101ea | 146 | Data[index++] = defaultUidNamespaceID[x]; |
| rgrover1 | 918:2b12b53101ea | 147 | DBG("%x,", defaultUidNamespaceID[x]); |
| rgrover1 | 918:2b12b53101ea | 148 | } |
| rgrover1 | 918:2b12b53101ea | 149 | DBG("'\r\n"); |
| rgrover1 | 918:2b12b53101ea | 150 | |
| rgrover1 | 918:2b12b53101ea | 151 | DBG("UID InstanceID = '0x"); |
| rgrover1 | 918:2b12b53101ea | 152 | for (size_t x = 0; x< UID_INSTANCEID_SIZE; x++) { // 6B Instance ID |
| rgrover1 | 918:2b12b53101ea | 153 | Data[index++] = defaultUidInstanceID[x]; |
| rgrover1 | 918:2b12b53101ea | 154 | DBG("%x,", defaultUidInstanceID[x]); |
| rgrover1 | 918:2b12b53101ea | 155 | } |
| rgrover1 | 918:2b12b53101ea | 156 | DBG("'\r\n"); |
| rgrover1 | 918:2b12b53101ea | 157 | |
| rgrover1 | 918:2b12b53101ea | 158 | if (0 != uidRFU) { // 2B RFU, include if non-zero, otherwise ignore |
| rgrover1 | 918:2b12b53101ea | 159 | Data[index++] = (uint8_t)(uidRFU >> 0); |
| rgrover1 | 918:2b12b53101ea | 160 | Data[index++] = (uint8_t)(uidRFU >> 8); |
| rgrover1 | 918:2b12b53101ea | 161 | } |
| rgrover1 | 918:2b12b53101ea | 162 | DBG("construcUIDFrame %d, %d", maxSize, index); |
| rgrover1 | 918:2b12b53101ea | 163 | return index; |
| rgrover1 | 918:2b12b53101ea | 164 | } |
| rgrover1 | 918:2b12b53101ea | 165 | |
| rgrover1 | 918:2b12b53101ea | 166 | /** |
| rgrover1 | 918:2b12b53101ea | 167 | * Set Eddystone URL Frame information. |
| rgrover1 | 918:2b12b53101ea | 168 | * @param[in] power TX Power in dB measured at 0 meters from the device. |
| rgrover1 | 918:2b12b53101ea | 169 | * @param[in] url URL to encode |
| rgrover1 | 918:2b12b53101ea | 170 | * @param[in] urlAdvPeriodIn How long to advertise the URL frame (measured in # of adv periods) |
| rgrover1 | 918:2b12b53101ea | 171 | * @return false on success, true on failure. |
| rgrover1 | 918:2b12b53101ea | 172 | */ |
| rgrover1 | 918:2b12b53101ea | 173 | bool setURLFrameData(int8_t power, const char *urlIn, float urlAdvPeriodIn) { |
| rgrover1 | 918:2b12b53101ea | 174 | if (0.0f == urlAdvPeriodIn) { |
| rgrover1 | 918:2b12b53101ea | 175 | urlIsSet = false; |
| rgrover1 | 918:2b12b53101ea | 176 | return false; |
| rgrover1 | 918:2b12b53101ea | 177 | } |
| rgrover1 | 918:2b12b53101ea | 178 | encodeURL(urlIn, defaultUriData, defaultUriDataLength); // encode URL to URL Formatting |
| rgrover1 | 918:2b12b53101ea | 179 | if (defaultUriDataLength > URI_DATA_MAX) { |
| rgrover1 | 918:2b12b53101ea | 180 | return true; // error, URL is too big |
| rgrover1 | 918:2b12b53101ea | 181 | } |
| rgrover1 | 918:2b12b53101ea | 182 | defaultUrlPower = power; |
| rgrover1 | 918:2b12b53101ea | 183 | urlAdvPeriod = urlAdvPeriodIn; |
| rgrover1 | 918:2b12b53101ea | 184 | urlIsSet = true; |
| rgrover1 | 918:2b12b53101ea | 185 | return false; |
| rgrover1 | 918:2b12b53101ea | 186 | } |
| rgrover1 | 918:2b12b53101ea | 187 | |
| rgrover1 | 918:2b12b53101ea | 188 | /** |
| rgrover1 | 918:2b12b53101ea | 189 | * Set Eddystone URL Frame information. |
| rgrover1 | 918:2b12b53101ea | 190 | * @param[in] power TX Power in dB measured at 0 meters from the device. |
| rgrover1 | 918:2b12b53101ea | 191 | * @param[in] encodedUrlIn Encoded URL |
| rgrover1 | 918:2b12b53101ea | 192 | * @param[in] encodedUrlInLength Length of the encoded URL |
| rgrover1 | 918:2b12b53101ea | 193 | * @param[in] urlAdvPeriodIn How long to advertise the URL frame (measured in # of adv periods) |
| rgrover1 | 918:2b12b53101ea | 194 | * @return false on success, true on failure. |
| rgrover1 | 918:2b12b53101ea | 195 | */ |
| rgrover1 | 918:2b12b53101ea | 196 | bool setURLFrameEncodedData(int8_t power, const char *encodedUrlIn, uint8_t encodedUrlInLength, float urlAdvPeriodIn) { |
| rgrover1 | 918:2b12b53101ea | 197 | if (0.0f == urlAdvPeriodIn) { |
| rgrover1 | 918:2b12b53101ea | 198 | urlIsSet = false; |
| rgrover1 | 918:2b12b53101ea | 199 | return false; |
| rgrover1 | 918:2b12b53101ea | 200 | } |
| rgrover1 | 918:2b12b53101ea | 201 | memcpy(defaultUriData, encodedUrlIn, encodedUrlInLength); |
| rgrover1 | 918:2b12b53101ea | 202 | if (defaultUriDataLength > URI_DATA_MAX) { |
| rgrover1 | 918:2b12b53101ea | 203 | return true; // error, URL is too big |
| rgrover1 | 918:2b12b53101ea | 204 | } |
| rgrover1 | 918:2b12b53101ea | 205 | defaultUrlPower = power; |
| rgrover1 | 918:2b12b53101ea | 206 | defaultUriDataLength = encodedUrlInLength; |
| rgrover1 | 918:2b12b53101ea | 207 | urlAdvPeriod = urlAdvPeriodIn; |
| rgrover1 | 918:2b12b53101ea | 208 | urlIsSet = true; |
| rgrover1 | 918:2b12b53101ea | 209 | return false; |
| rgrover1 | 918:2b12b53101ea | 210 | } |
| rgrover1 | 918:2b12b53101ea | 211 | |
| rgrover1 | 918:2b12b53101ea | 212 | /* |
| rgrover1 | 918:2b12b53101ea | 213 | * Construct URL frame from private variables |
| rgrover1 | 918:2b12b53101ea | 214 | * @param[in/out] Data pointer to array to store constructed frame in |
| rgrover1 | 918:2b12b53101ea | 215 | * @param[in] maxSize number of bytes left in array, effectively how much emtpy space is available to write to |
| rgrover1 | 918:2b12b53101ea | 216 | * @return number of bytes used. negative number indicates error message. |
| rgrover1 | 918:2b12b53101ea | 217 | */ |
| rgrover1 | 918:2b12b53101ea | 218 | int constructURLFrame(uint8_t *Data, uint8_t maxSize) { |
| rgrover1 | 918:2b12b53101ea | 219 | int index = 0; |
| rgrover1 | 918:2b12b53101ea | 220 | Data[index++] = FRAME_TYPE_URL; // 1B Type |
| rgrover1 | 918:2b12b53101ea | 221 | Data[index++] = defaultUrlPower; // 1B TX Power |
| rgrover1 | 918:2b12b53101ea | 222 | for (int x = 0; x < defaultUriDataLength; x++) { // 18B of URL Prefix + encoded URL |
| rgrover1 | 918:2b12b53101ea | 223 | Data[index++] = defaultUriData[x]; |
| rgrover1 | 918:2b12b53101ea | 224 | } |
| rgrover1 | 918:2b12b53101ea | 225 | DBG("constructURLFrame: %d, %d", maxSize, index); |
| rgrover1 | 918:2b12b53101ea | 226 | return index; |
| rgrover1 | 918:2b12b53101ea | 227 | } |
| rgrover1 | 918:2b12b53101ea | 228 | |
| rgrover1 | 918:2b12b53101ea | 229 | /* |
| rgrover1 | 918:2b12b53101ea | 230 | * Set Eddystone TLM Frame information. |
| rgrover1 | 918:2b12b53101ea | 231 | * @param[in] Version of the TLM beacon data format |
| rgrover1 | 918:2b12b53101ea | 232 | * @param[in] advPeriod how often to advertise the TLM frame for (in minutes) |
| rgrover1 | 918:2b12b53101ea | 233 | * @param batteryVoltage in milivolts |
| rgrover1 | 918:2b12b53101ea | 234 | * @param beaconTemp in 8.8 floating point notation |
| rgrover1 | 918:2b12b53101ea | 235 | * |
| rgrover1 | 918:2b12b53101ea | 236 | */ |
| rgrover1 | 918:2b12b53101ea | 237 | void setTLMFrameData(uint8_t version = 0, |
| rgrover1 | 918:2b12b53101ea | 238 | float advPeriod = 60.0f, |
| rgrover1 | 918:2b12b53101ea | 239 | uint16_t batteryVoltage = 0, |
| rgrover1 | 918:2b12b53101ea | 240 | uint16_t beaconTemp = 0x8000, |
| rgrover1 | 918:2b12b53101ea | 241 | uint32_t pduCount = 0, |
| rgrover1 | 918:2b12b53101ea | 242 | uint32_t timeSinceBoot = 0) { |
| rgrover1 | 918:2b12b53101ea | 243 | if (0.0f == advPeriod) { |
| rgrover1 | 918:2b12b53101ea | 244 | tlmIsSet = false; |
| rgrover1 | 918:2b12b53101ea | 245 | return; |
| rgrover1 | 918:2b12b53101ea | 246 | } |
| rgrover1 | 918:2b12b53101ea | 247 | TlmVersion = version; |
| rgrover1 | 918:2b12b53101ea | 248 | TlmBatteryVoltage = batteryVoltage; |
| rgrover1 | 918:2b12b53101ea | 249 | TlmBeaconTemp = beaconTemp; |
| rgrover1 | 918:2b12b53101ea | 250 | TlmPduCount = pduCount; // reset |
| rgrover1 | 918:2b12b53101ea | 251 | TlmTimeSinceBoot = timeSinceBoot; // reset |
| rgrover1 | 918:2b12b53101ea | 252 | TlmAdvPeriod = advPeriod; |
| rgrover1 | 918:2b12b53101ea | 253 | tlmIsSet = true; // TLM Data has been enabled |
| rgrover1 | 918:2b12b53101ea | 254 | } |
| rgrover1 | 918:2b12b53101ea | 255 | |
| rgrover1 | 918:2b12b53101ea | 256 | /* |
| rgrover1 | 918:2b12b53101ea | 257 | * Construct TLM frame from private variables |
| rgrover1 | 918:2b12b53101ea | 258 | * @param[in/out] Data pointer to array to store constructed frame in |
| rgrover1 | 918:2b12b53101ea | 259 | * @param[in] maxSize number of bytes left in array, effectively how much emtpy space is available to write to |
| rgrover1 | 918:2b12b53101ea | 260 | * @return number of bytes used. negative number indicates error message. |
| rgrover1 | 918:2b12b53101ea | 261 | */ |
| rgrover1 | 918:2b12b53101ea | 262 | int constructTLMFrame(uint8_t *Data, uint8_t maxSize) { |
| rgrover1 | 918:2b12b53101ea | 263 | uint32_t now = timeSinceBootTimer.read_ms(); |
| rgrover1 | 918:2b12b53101ea | 264 | TlmTimeSinceBoot += (now - lastBootTimerRead) / 100; |
| rgrover1 | 918:2b12b53101ea | 265 | lastBootTimerRead = now; |
| rgrover1 | 918:2b12b53101ea | 266 | |
| rgrover1 | 918:2b12b53101ea | 267 | int index = 0; |
| rgrover1 | 918:2b12b53101ea | 268 | Data[index++] = FRAME_TYPE_TLM; // Eddystone frame type = Telemetry |
| rgrover1 | 918:2b12b53101ea | 269 | Data[index++] = TlmVersion; // TLM Version Number |
| rgrover1 | 918:2b12b53101ea | 270 | Data[index++] = (uint8_t)(TlmBatteryVoltage >> 8); // Battery Voltage[0] |
| rgrover1 | 918:2b12b53101ea | 271 | Data[index++] = (uint8_t)(TlmBatteryVoltage >> 0); // Battery Voltage[1] |
| rgrover1 | 918:2b12b53101ea | 272 | Data[index++] = (uint8_t)(TlmBeaconTemp >> 8); // Beacon Temp[0] |
| rgrover1 | 918:2b12b53101ea | 273 | Data[index++] = (uint8_t)(TlmBeaconTemp >> 0); // Beacon Temp[1] |
| rgrover1 | 918:2b12b53101ea | 274 | Data[index++] = (uint8_t)(TlmPduCount >> 24); // PDU Count [0] |
| rgrover1 | 918:2b12b53101ea | 275 | Data[index++] = (uint8_t)(TlmPduCount >> 16); // PDU Count [1] |
| rgrover1 | 918:2b12b53101ea | 276 | Data[index++] = (uint8_t)(TlmPduCount >> 8); // PDU Count [2] |
| rgrover1 | 918:2b12b53101ea | 277 | Data[index++] = (uint8_t)(TlmPduCount >> 0); // PDU Count [3] |
| rgrover1 | 918:2b12b53101ea | 278 | Data[index++] = (uint8_t)(TlmTimeSinceBoot >> 24); // Time Since Boot [0] |
| rgrover1 | 918:2b12b53101ea | 279 | Data[index++] = (uint8_t)(TlmTimeSinceBoot >> 16); // Time Since Boot [1] |
| rgrover1 | 918:2b12b53101ea | 280 | Data[index++] = (uint8_t)(TlmTimeSinceBoot >> 8); // Time Since Boot [2] |
| rgrover1 | 918:2b12b53101ea | 281 | Data[index++] = (uint8_t)(TlmTimeSinceBoot >> 0); // Time Since Boot [3] |
| rgrover1 | 918:2b12b53101ea | 282 | DBG("constructURLFrame: %d, %d", maxSize, index); |
| rgrover1 | 918:2b12b53101ea | 283 | return index; |
| rgrover1 | 918:2b12b53101ea | 284 | } |
| rgrover1 | 918:2b12b53101ea | 285 | |
| rgrover1 | 918:2b12b53101ea | 286 | /* |
| rgrover1 | 918:2b12b53101ea | 287 | * Update the TLM frame battery voltage value |
| rgrover1 | 918:2b12b53101ea | 288 | * @param[in] voltagemv Voltage to update the TLM field battery voltage with (in mV) |
| rgrover1 | 918:2b12b53101ea | 289 | * @return nothing |
| rgrover1 | 918:2b12b53101ea | 290 | */ |
| rgrover1 | 918:2b12b53101ea | 291 | void updateTlmBatteryVoltage(uint16_t voltagemv) { |
| rgrover1 | 918:2b12b53101ea | 292 | TlmBatteryVoltage = voltagemv; |
| rgrover1 | 918:2b12b53101ea | 293 | } |
| rgrover1 | 918:2b12b53101ea | 294 | |
| rgrover1 | 918:2b12b53101ea | 295 | /* |
| rgrover1 | 918:2b12b53101ea | 296 | * Update the TLM frame beacon temperature |
| rgrover1 | 918:2b12b53101ea | 297 | * @param[in] temp Temperature of beacon (in 8.8fpn) |
| rgrover1 | 918:2b12b53101ea | 298 | * @return nothing |
| rgrover1 | 918:2b12b53101ea | 299 | */ |
| rgrover1 | 918:2b12b53101ea | 300 | void updateTlmBeaconTemp(uint16_t temp) { |
| rgrover1 | 918:2b12b53101ea | 301 | TlmBeaconTemp = temp; |
| rgrover1 | 918:2b12b53101ea | 302 | } |
| rgrover1 | 918:2b12b53101ea | 303 | |
| rgrover1 | 918:2b12b53101ea | 304 | /* |
| rgrover1 | 918:2b12b53101ea | 305 | * Update the TLM frame PDU Count field |
| rgrover1 | 918:2b12b53101ea | 306 | * @param[in] pduCount Number of Advertisiting frames sent since powerup |
| rgrover1 | 918:2b12b53101ea | 307 | * @return nothing |
| rgrover1 | 918:2b12b53101ea | 308 | */ |
| rgrover1 | 918:2b12b53101ea | 309 | void updateTlmPduCount(uint32_t pduCount) { |
| rgrover1 | 918:2b12b53101ea | 310 | TlmPduCount = pduCount; |
| rgrover1 | 918:2b12b53101ea | 311 | } |
| rgrover1 | 918:2b12b53101ea | 312 | |
| rgrover1 | 918:2b12b53101ea | 313 | /* |
| rgrover1 | 918:2b12b53101ea | 314 | * Update the TLM frame Time since boot in 0.1s incriments |
| rgrover1 | 918:2b12b53101ea | 315 | * @param[in] timeSinceBoot Time since boot in 0.1s incriments |
| rgrover1 | 918:2b12b53101ea | 316 | * @return nothing |
| rgrover1 | 918:2b12b53101ea | 317 | */ |
| rgrover1 | 918:2b12b53101ea | 318 | void updateTlmTimeSinceBoot(uint32_t timeSinceBoot) { |
| rgrover1 | 918:2b12b53101ea | 319 | TlmTimeSinceBoot = timeSinceBoot; |
| rgrover1 | 918:2b12b53101ea | 320 | } |
| rgrover1 | 918:2b12b53101ea | 321 | |
| rgrover1 | 918:2b12b53101ea | 322 | /* |
| rgrover1 | 918:2b12b53101ea | 323 | * Update advertising data |
| rgrover1 | 918:2b12b53101ea | 324 | * @return true on success, false on failure |
| rgrover1 | 918:2b12b53101ea | 325 | */ |
| rgrover1 | 918:2b12b53101ea | 326 | bool updateAdvPacket(uint8_t serviceData[], unsigned serviceDataLen) { |
| rgrover1 | 918:2b12b53101ea | 327 | // Fields from the Service |
| rgrover1 | 918:2b12b53101ea | 328 | DBG("Updating AdvFrame: %d", serviceDataLen); |
| rgrover1 | 918:2b12b53101ea | 329 | |
| rgrover1 | 918:2b12b53101ea | 330 | ble.clearAdvertisingPayload(); |
| rgrover1 | 918:2b12b53101ea | 331 | ble.setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED); |
| rgrover1 | 918:2b12b53101ea | 332 | ble.setAdvertisingInterval(100); |
| rgrover1 | 918:2b12b53101ea | 333 | ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); |
| rgrover1 | 918:2b12b53101ea | 334 | ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, BEACON_EDDYSTONE, sizeof(BEACON_EDDYSTONE)); |
| rgrover1 | 918:2b12b53101ea | 335 | ble.accumulateAdvertisingPayload(GapAdvertisingData::SERVICE_DATA, serviceData, serviceDataLen); |
| rgrover1 | 918:2b12b53101ea | 336 | |
| rgrover1 | 918:2b12b53101ea | 337 | |
| rgrover1 | 918:2b12b53101ea | 338 | return true; |
| rgrover1 | 918:2b12b53101ea | 339 | } |
| rgrover1 | 918:2b12b53101ea | 340 | |
| rgrover1 | 918:2b12b53101ea | 341 | /* |
| rgrover1 | 918:2b12b53101ea | 342 | * State machine for switching out frames. |
| rgrover1 | 918:2b12b53101ea | 343 | * This function is called by the radioNotificationCallback when a frame needs to get swapped out. |
| rgrover1 | 918:2b12b53101ea | 344 | * This function exists because of time constraints in the radioNotificationCallback, so it is effectively |
| rgrover1 | 918:2b12b53101ea | 345 | * broken up into two functions. |
| rgrover1 | 918:2b12b53101ea | 346 | */ |
| rgrover1 | 918:2b12b53101ea | 347 | void swapOutFrames(FrameTypes frameType) { |
| rgrover1 | 918:2b12b53101ea | 348 | uint8_t serviceData[SERVICE_DATA_MAX]; |
| rgrover1 | 918:2b12b53101ea | 349 | unsigned serviceDataLen = 0; |
| rgrover1 | 918:2b12b53101ea | 350 | //hard code in the eddystone UUID |
| rgrover1 | 918:2b12b53101ea | 351 | serviceData[serviceDataLen++] = BEACON_EDDYSTONE[0]; |
| rgrover1 | 918:2b12b53101ea | 352 | serviceData[serviceDataLen++] = BEACON_EDDYSTONE[1]; |
| rgrover1 | 918:2b12b53101ea | 353 | |
| rgrover1 | 918:2b12b53101ea | 354 | // if certain frames are not enabled, then skip them. Worst case TLM is always enabled |
| rgrover1 | 918:2b12b53101ea | 355 | switch (frameType) { |
| rgrover1 | 918:2b12b53101ea | 356 | case tlm: |
| rgrover1 | 918:2b12b53101ea | 357 | // TLM frame |
| rgrover1 | 918:2b12b53101ea | 358 | if (tlmIsSet) { |
| rgrover1 | 918:2b12b53101ea | 359 | DBG("Swapping in TLM Frame: version=%x, Batt=%d, Temp = %d, PDUCnt = %d, TimeSinceBoot=%d", |
| rgrover1 | 918:2b12b53101ea | 360 | TlmVersion, |
| rgrover1 | 918:2b12b53101ea | 361 | TlmBatteryVoltage, |
| rgrover1 | 918:2b12b53101ea | 362 | TlmBeaconTemp, |
| rgrover1 | 918:2b12b53101ea | 363 | TlmPduCount, |
| rgrover1 | 918:2b12b53101ea | 364 | TlmTimeSinceBoot); |
| rgrover1 | 918:2b12b53101ea | 365 | serviceDataLen += constructTLMFrame(serviceData + serviceDataLen, 20); |
| rgrover1 | 918:2b12b53101ea | 366 | DBG("\t Swapping in TLM Frame: len=%d", serviceDataLen); |
| rgrover1 | 918:2b12b53101ea | 367 | updateAdvPacket(serviceData, serviceDataLen); |
| rgrover1 | 918:2b12b53101ea | 368 | } |
| rgrover1 | 918:2b12b53101ea | 369 | break; |
| rgrover1 | 918:2b12b53101ea | 370 | case url: |
| rgrover1 | 918:2b12b53101ea | 371 | // URL Frame |
| rgrover1 | 918:2b12b53101ea | 372 | if (urlIsSet) { |
| rgrover1 | 918:2b12b53101ea | 373 | DBG("Swapping in URL Frame: Power: %d", defaultUrlPower); |
| rgrover1 | 918:2b12b53101ea | 374 | serviceDataLen += constructURLFrame(serviceData + serviceDataLen, 20); |
| rgrover1 | 918:2b12b53101ea | 375 | DBG("\t Swapping in URL Frame: len=%d ", serviceDataLen); |
| rgrover1 | 918:2b12b53101ea | 376 | updateAdvPacket(serviceData, serviceDataLen); |
| rgrover1 | 918:2b12b53101ea | 377 | //switchFlag = false; |
| rgrover1 | 918:2b12b53101ea | 378 | } |
| rgrover1 | 918:2b12b53101ea | 379 | break; |
| rgrover1 | 918:2b12b53101ea | 380 | case uid: |
| rgrover1 | 918:2b12b53101ea | 381 | // UID Frame |
| rgrover1 | 918:2b12b53101ea | 382 | if (uidIsSet) { |
| rgrover1 | 918:2b12b53101ea | 383 | DBG("Swapping in UID Frame: Power: %d", defaultUidPower); |
| rgrover1 | 918:2b12b53101ea | 384 | serviceDataLen += constructUIDFrame(serviceData + serviceDataLen, 20); |
| rgrover1 | 918:2b12b53101ea | 385 | DBG("\t Swapping in UID Frame: len=%d", serviceDataLen); |
| rgrover1 | 918:2b12b53101ea | 386 | updateAdvPacket(serviceData, serviceDataLen); |
| rgrover1 | 918:2b12b53101ea | 387 | //switchFlag = false; |
| rgrover1 | 918:2b12b53101ea | 388 | } |
| rgrover1 | 918:2b12b53101ea | 389 | break; |
| rgrover1 | 918:2b12b53101ea | 390 | default: |
| rgrover1 | 918:2b12b53101ea | 391 | ERR("You have not initialized a Frame yet, please initialize one before starting a beacon"); |
| rgrover1 | 918:2b12b53101ea | 392 | ERR("uidIsSet = %d, urlIsSet = %d, tlmIsSet = %d", uidIsSet, urlIsSet, tlmIsSet); |
| rgrover1 | 918:2b12b53101ea | 393 | } |
| rgrover1 | 918:2b12b53101ea | 394 | } |
| rgrover1 | 918:2b12b53101ea | 395 | |
| rgrover1 | 918:2b12b53101ea | 396 | /* |
| rgrover1 | 918:2b12b53101ea | 397 | * Callback to swap in URL frame |
| rgrover1 | 918:2b12b53101ea | 398 | */ |
| rgrover1 | 918:2b12b53101ea | 399 | void urlCallback(void) { |
| rgrover1 | 918:2b12b53101ea | 400 | DBG("urlCallback"); |
| rgrover1 | 918:2b12b53101ea | 401 | if (false == advLock) { |
| rgrover1 | 918:2b12b53101ea | 402 | advLock = true; |
| rgrover1 | 918:2b12b53101ea | 403 | DBG("advLock = url") |
| rgrover1 | 918:2b12b53101ea | 404 | frameIndex = url; |
| rgrover1 | 918:2b12b53101ea | 405 | swapOutFrames(frameIndex); |
| rgrover1 | 918:2b12b53101ea | 406 | ble.startAdvertising(); |
| rgrover1 | 918:2b12b53101ea | 407 | } else { |
| rgrover1 | 918:2b12b53101ea | 408 | // Someone else is broadcasting, toss it into the overflow buffer to retransmit when free |
| rgrover1 | 918:2b12b53101ea | 409 | INFO("URI(%d) cannot complete, %d is currently broadcasting", url, frameIndex); |
| rgrover1 | 918:2b12b53101ea | 410 | FrameTypes x = url; |
| rgrover1 | 918:2b12b53101ea | 411 | overflow.push(x); |
| rgrover1 | 918:2b12b53101ea | 412 | } |
| rgrover1 | 918:2b12b53101ea | 413 | } |
| rgrover1 | 918:2b12b53101ea | 414 | |
| rgrover1 | 918:2b12b53101ea | 415 | /* |
| rgrover1 | 918:2b12b53101ea | 416 | * Callback to swap in UID frame |
| rgrover1 | 918:2b12b53101ea | 417 | */ |
| rgrover1 | 918:2b12b53101ea | 418 | void uidCallback(void) { |
| rgrover1 | 918:2b12b53101ea | 419 | DBG("uidCallback"); |
| rgrover1 | 918:2b12b53101ea | 420 | if (false == advLock) { |
| rgrover1 | 918:2b12b53101ea | 421 | advLock = true; |
| rgrover1 | 918:2b12b53101ea | 422 | DBG("advLock = uid") |
| rgrover1 | 918:2b12b53101ea | 423 | frameIndex = uid; |
| rgrover1 | 918:2b12b53101ea | 424 | swapOutFrames(frameIndex); |
| rgrover1 | 918:2b12b53101ea | 425 | ble.startAdvertising(); |
| rgrover1 | 918:2b12b53101ea | 426 | } else { |
| rgrover1 | 918:2b12b53101ea | 427 | // Someone else is broadcasting, toss it into the overflow buffer to retransmit when free |
| rgrover1 | 918:2b12b53101ea | 428 | INFO("UID(%d) cannot complete, %d is currently broadcasting", uid, frameIndex); |
| rgrover1 | 918:2b12b53101ea | 429 | FrameTypes x = uid; // have to do this to satisfy cont vs volatile keywords... sigh... |
| rgrover1 | 918:2b12b53101ea | 430 | overflow.push(x); |
| rgrover1 | 918:2b12b53101ea | 431 | } |
| rgrover1 | 918:2b12b53101ea | 432 | } |
| rgrover1 | 918:2b12b53101ea | 433 | |
| rgrover1 | 918:2b12b53101ea | 434 | /* |
| rgrover1 | 918:2b12b53101ea | 435 | * Callback to swap in TLM frame |
| rgrover1 | 918:2b12b53101ea | 436 | */ |
| rgrover1 | 918:2b12b53101ea | 437 | void tlmCallback(void) { |
| rgrover1 | 918:2b12b53101ea | 438 | DBG("tlmCallback"); |
| rgrover1 | 918:2b12b53101ea | 439 | if (false == advLock) { |
| rgrover1 | 918:2b12b53101ea | 440 | // OK to broadcast |
| rgrover1 | 918:2b12b53101ea | 441 | advLock = true; |
| rgrover1 | 918:2b12b53101ea | 442 | DBG("advLock = tlm") |
| rgrover1 | 918:2b12b53101ea | 443 | frameIndex = tlm; |
| rgrover1 | 918:2b12b53101ea | 444 | swapOutFrames(frameIndex); |
| rgrover1 | 918:2b12b53101ea | 445 | ble.startAdvertising(); |
| rgrover1 | 918:2b12b53101ea | 446 | } else { |
| rgrover1 | 918:2b12b53101ea | 447 | // Someone else is broadcasting, toss it into the overflow buffer to retransmit when free |
| rgrover1 | 918:2b12b53101ea | 448 | INFO("TLM(%d) cannot complete, %d is currently broadcasting", tlm, frameIndex); |
| rgrover1 | 918:2b12b53101ea | 449 | FrameTypes x = tlm; |
| rgrover1 | 918:2b12b53101ea | 450 | overflow.push(x); |
| rgrover1 | 918:2b12b53101ea | 451 | } |
| rgrover1 | 918:2b12b53101ea | 452 | } |
| rgrover1 | 918:2b12b53101ea | 453 | |
| rgrover1 | 918:2b12b53101ea | 454 | void stopAdvCallback(void) { |
| rgrover1 | 918:2b12b53101ea | 455 | if (overflow.empty()) { |
| rgrover1 | 918:2b12b53101ea | 456 | // if nothing left to transmit, stop |
| rgrover1 | 918:2b12b53101ea | 457 | ble.stopAdvertising(); |
| rgrover1 | 918:2b12b53101ea | 458 | advLock = false; // unlock lock |
| rgrover1 | 918:2b12b53101ea | 459 | } else { |
| rgrover1 | 918:2b12b53101ea | 460 | // transmit other packets at current time index |
| rgrover1 | 918:2b12b53101ea | 461 | FrameTypes x = NONE; |
| rgrover1 | 918:2b12b53101ea | 462 | overflow.pop(x); |
| rgrover1 | 918:2b12b53101ea | 463 | INFO("Re-Transmitting %d", x); |
| rgrover1 | 918:2b12b53101ea | 464 | swapOutFrames(x); |
| rgrover1 | 918:2b12b53101ea | 465 | } |
| rgrover1 | 918:2b12b53101ea | 466 | } |
| rgrover1 | 918:2b12b53101ea | 467 | |
| rgrover1 | 918:2b12b53101ea | 468 | /* |
| rgrover1 | 918:2b12b53101ea | 469 | * Callback from onRadioNotification(), used to update the PDUCounter and process next state. |
| rgrover1 | 918:2b12b53101ea | 470 | */ |
| rgrover1 | 918:2b12b53101ea | 471 | #define EDDYSTONE_SWAPFRAME_DELAYMS 1 |
| rgrover1 | 918:2b12b53101ea | 472 | void radioNotificationCallback(bool radioActive) { |
| rgrover1 | 918:2b12b53101ea | 473 | // Update PDUCount |
| rgrover1 | 918:2b12b53101ea | 474 | TlmPduCount++; |
| rgrover1 | 918:2b12b53101ea | 475 | // True just before an frame is sent, false just after a frame is sent |
| rgrover1 | 918:2b12b53101ea | 476 | if (radioActive) { |
| rgrover1 | 918:2b12b53101ea | 477 | // Do Nothing |
| rgrover1 | 918:2b12b53101ea | 478 | } else { |
| rgrover1 | 918:2b12b53101ea | 479 | // Packet has been sent, disable advertising |
| rgrover1 | 918:2b12b53101ea | 480 | stopAdv.attach_us(this, &EddystoneService::stopAdvCallback, 1); |
| rgrover1 | 918:2b12b53101ea | 481 | } |
| rgrover1 | 918:2b12b53101ea | 482 | } |
| rgrover1 | 918:2b12b53101ea | 483 | |
| rgrover1 | 918:2b12b53101ea | 484 | /* |
| rgrover1 | 918:2b12b53101ea | 485 | * This function explicityly sets the parameters used by the Eddystone beacon. |
| rgrover1 | 918:2b12b53101ea | 486 | * this function should be used in leu of the config service. |
| rgrover1 | 918:2b12b53101ea | 487 | * |
| rgrover1 | 918:2b12b53101ea | 488 | * @param bleIn ble object used to broadcast eddystone information |
| rgrover1 | 918:2b12b53101ea | 489 | * @param beaconPeriodus is how often ble broadcasts are mde, in mili seconds |
| rgrover1 | 918:2b12b53101ea | 490 | * @param txPowerLevel sets the broadcasting power level. |
| rgrover1 | 918:2b12b53101ea | 491 | * |
| rgrover1 | 918:2b12b53101ea | 492 | */ |
| rgrover1 | 918:2b12b53101ea | 493 | EddystoneService(BLEDevice &bleIn, |
| rgrover1 | 918:2b12b53101ea | 494 | uint16_t beaconPeriodus = 100, |
| rgrover1 | 918:2b12b53101ea | 495 | uint8_t txPowerIn = 0) : |
| rgrover1 | 918:2b12b53101ea | 496 | ble(bleIn), |
| rgrover1 | 918:2b12b53101ea | 497 | advPeriodus(beaconPeriodus), |
| rgrover1 | 918:2b12b53101ea | 498 | txPower(txPowerIn), |
| rgrover1 | 918:2b12b53101ea | 499 | advLock(false), |
| rgrover1 | 918:2b12b53101ea | 500 | frameIndex(NONE) { |
| rgrover1 | 918:2b12b53101ea | 501 | } |
| rgrover1 | 918:2b12b53101ea | 502 | |
| rgrover1 | 918:2b12b53101ea | 503 | /* |
| rgrover1 | 918:2b12b53101ea | 504 | * @breif this function starts eddystone advertising based on configured frames. |
| rgrover1 | 918:2b12b53101ea | 505 | */ |
| rgrover1 | 918:2b12b53101ea | 506 | void start(void) { |
| rgrover1 | 918:2b12b53101ea | 507 | // Initialize Frame transition, start with URL to pass eddystone validator app on first try |
| rgrover1 | 918:2b12b53101ea | 508 | if (urlIsSet) { |
| rgrover1 | 918:2b12b53101ea | 509 | frameIndex = url; |
| rgrover1 | 918:2b12b53101ea | 510 | urlTicker.attach(this, &EddystoneService::urlCallback, (float) advPeriodus / 1000.0f); |
| rgrover1 | 918:2b12b53101ea | 511 | DBG("attached urlCallback every %d seconds", urlAdvPeriod); |
| rgrover1 | 918:2b12b53101ea | 512 | } |
| rgrover1 | 918:2b12b53101ea | 513 | if (uidIsSet) { |
| rgrover1 | 918:2b12b53101ea | 514 | frameIndex = uid; |
| rgrover1 | 918:2b12b53101ea | 515 | uidTicker.attach(this, &EddystoneService::uidCallback, uidAdvPeriod); |
| rgrover1 | 918:2b12b53101ea | 516 | DBG("attached uidCallback every %d seconds", uidAdvPeriod); |
| rgrover1 | 918:2b12b53101ea | 517 | } |
| rgrover1 | 918:2b12b53101ea | 518 | if (tlmIsSet) { |
| rgrover1 | 918:2b12b53101ea | 519 | frameIndex = tlm; |
| rgrover1 | 918:2b12b53101ea | 520 | // Make double sure the PDUCount and TimeSinceBoot fields are set to zero at reset |
| rgrover1 | 918:2b12b53101ea | 521 | updateTlmPduCount(0); |
| rgrover1 | 918:2b12b53101ea | 522 | updateTlmTimeSinceBoot(0); |
| rgrover1 | 918:2b12b53101ea | 523 | lastBootTimerRead = 0; |
| rgrover1 | 918:2b12b53101ea | 524 | timeSinceBootTimer.start(); |
| rgrover1 | 918:2b12b53101ea | 525 | tlmTicker.attach(this, &EddystoneService::tlmCallback, TlmAdvPeriod); |
| rgrover1 | 918:2b12b53101ea | 526 | DBG("attached tlmCallback every %d seconds", TlmAdvPeriod); |
| rgrover1 | 918:2b12b53101ea | 527 | } |
| rgrover1 | 918:2b12b53101ea | 528 | if (NONE == frameIndex) { |
| rgrover1 | 918:2b12b53101ea | 529 | error("No Frames were Initialized! Please initialize a frame before starting an eddystone beacon."); |
| rgrover1 | 918:2b12b53101ea | 530 | } |
| rgrover1 | 918:2b12b53101ea | 531 | //uidRFU = 0; |
| rgrover1 | 918:2b12b53101ea | 532 | |
| rgrover1 | 918:2b12b53101ea | 533 | ble.setTxPower(txPower); |
| rgrover1 | 918:2b12b53101ea | 534 | ble.gap().onRadioNotification(this, &EddystoneService::radioNotificationCallback); |
| rgrover1 | 918:2b12b53101ea | 535 | } |
| rgrover1 | 918:2b12b53101ea | 536 | |
| rgrover1 | 918:2b12b53101ea | 537 | private: |
| rgrover1 | 918:2b12b53101ea | 538 | |
| rgrover1 | 918:2b12b53101ea | 539 | // Eddystone Variables |
| rgrover1 | 918:2b12b53101ea | 540 | BLEDevice &ble; |
| rgrover1 | 918:2b12b53101ea | 541 | uint16_t advPeriodus; |
| rgrover1 | 918:2b12b53101ea | 542 | uint8_t txPower; |
| rgrover1 | 918:2b12b53101ea | 543 | Timer timeSinceBootTimer; |
| rgrover1 | 918:2b12b53101ea | 544 | volatile uint32_t lastBootTimerRead; |
| rgrover1 | 918:2b12b53101ea | 545 | volatile bool advLock; |
| rgrover1 | 918:2b12b53101ea | 546 | volatile FrameTypes frameIndex; |
| rgrover1 | 918:2b12b53101ea | 547 | Timeout stopAdv; |
| rgrover1 | 918:2b12b53101ea | 548 | |
| rgrover1 | 918:2b12b53101ea | 549 | |
| rgrover1 | 918:2b12b53101ea | 550 | // URI Frame Variables |
| rgrover1 | 918:2b12b53101ea | 551 | uint8_t defaultUriDataLength; |
| rgrover1 | 918:2b12b53101ea | 552 | UriData_t defaultUriData; |
| rgrover1 | 918:2b12b53101ea | 553 | int8_t defaultUrlPower; |
| rgrover1 | 918:2b12b53101ea | 554 | bool urlIsSet; // flag that enables / disable URI Frames |
| rgrover1 | 918:2b12b53101ea | 555 | float urlAdvPeriod; // how long the url frame will be advertised for |
| rgrover1 | 918:2b12b53101ea | 556 | Ticker urlTicker; |
| rgrover1 | 918:2b12b53101ea | 557 | |
| rgrover1 | 918:2b12b53101ea | 558 | // UID Frame Variables |
| rgrover1 | 918:2b12b53101ea | 559 | UIDNamespaceID_t defaultUidNamespaceID; |
| rgrover1 | 918:2b12b53101ea | 560 | UIDInstanceID_t defaultUidInstanceID; |
| rgrover1 | 918:2b12b53101ea | 561 | int8_t defaultUidPower; |
| rgrover1 | 918:2b12b53101ea | 562 | uint16_t uidRFU; |
| rgrover1 | 918:2b12b53101ea | 563 | bool uidIsSet; // flag that enables / disable UID Frames |
| rgrover1 | 918:2b12b53101ea | 564 | float uidAdvPeriod; // how long the uid frame will be advertised for |
| rgrover1 | 918:2b12b53101ea | 565 | Ticker uidTicker; |
| rgrover1 | 918:2b12b53101ea | 566 | |
| rgrover1 | 918:2b12b53101ea | 567 | // TLM Frame Variables |
| rgrover1 | 918:2b12b53101ea | 568 | uint8_t TlmVersion; |
| rgrover1 | 918:2b12b53101ea | 569 | volatile uint16_t TlmBatteryVoltage; |
| rgrover1 | 918:2b12b53101ea | 570 | volatile uint16_t TlmBeaconTemp; |
| rgrover1 | 918:2b12b53101ea | 571 | volatile uint32_t TlmPduCount; |
| rgrover1 | 918:2b12b53101ea | 572 | volatile uint32_t TlmTimeSinceBoot; |
| rgrover1 | 918:2b12b53101ea | 573 | bool tlmIsSet; // flag that enables / disables TLM frames |
| rgrover1 | 918:2b12b53101ea | 574 | float TlmAdvPeriod; // number of minutes between adv frames |
| rgrover1 | 918:2b12b53101ea | 575 | Ticker tlmTicker; |
| rgrover1 | 918:2b12b53101ea | 576 | |
| rgrover1 | 918:2b12b53101ea | 577 | public: |
| rgrover1 | 918:2b12b53101ea | 578 | /* |
| rgrover1 | 918:2b12b53101ea | 579 | * Encode a human-readable URI into the binary format defined by URIBeacon spec (https://github.com/google/uribeacon/tree/master/specification). |
| rgrover1 | 918:2b12b53101ea | 580 | */ |
| rgrover1 | 918:2b12b53101ea | 581 | static void encodeURL(const char *uriDataIn, UriData_t uriDataOut, uint8_t &sizeofURIDataOut) { |
| rgrover1 | 918:2b12b53101ea | 582 | DBG("Encode URL = %s", uriDataIn); |
| rgrover1 | 918:2b12b53101ea | 583 | const char *prefixes[] = { |
| rgrover1 | 918:2b12b53101ea | 584 | "http://www.", |
| rgrover1 | 918:2b12b53101ea | 585 | "https://www.", |
| rgrover1 | 918:2b12b53101ea | 586 | "http://", |
| rgrover1 | 918:2b12b53101ea | 587 | "https://", |
| rgrover1 | 918:2b12b53101ea | 588 | }; |
| rgrover1 | 918:2b12b53101ea | 589 | const size_t NUM_PREFIXES = sizeof(prefixes) / sizeof(char *); |
| rgrover1 | 918:2b12b53101ea | 590 | const char *suffixes[] = { |
| rgrover1 | 918:2b12b53101ea | 591 | ".com/", |
| rgrover1 | 918:2b12b53101ea | 592 | ".org/", |
| rgrover1 | 918:2b12b53101ea | 593 | ".edu/", |
| rgrover1 | 918:2b12b53101ea | 594 | ".net/", |
| rgrover1 | 918:2b12b53101ea | 595 | ".info/", |
| rgrover1 | 918:2b12b53101ea | 596 | ".biz/", |
| rgrover1 | 918:2b12b53101ea | 597 | ".gov/", |
| rgrover1 | 918:2b12b53101ea | 598 | ".com", |
| rgrover1 | 918:2b12b53101ea | 599 | ".org", |
| rgrover1 | 918:2b12b53101ea | 600 | ".edu", |
| rgrover1 | 918:2b12b53101ea | 601 | ".net", |
| rgrover1 | 918:2b12b53101ea | 602 | ".info", |
| rgrover1 | 918:2b12b53101ea | 603 | ".biz", |
| rgrover1 | 918:2b12b53101ea | 604 | ".gov" |
| rgrover1 | 918:2b12b53101ea | 605 | }; |
| rgrover1 | 918:2b12b53101ea | 606 | const size_t NUM_SUFFIXES = sizeof(suffixes) / sizeof(char *); |
| rgrover1 | 918:2b12b53101ea | 607 | |
| rgrover1 | 918:2b12b53101ea | 608 | sizeofURIDataOut = 0; |
| rgrover1 | 918:2b12b53101ea | 609 | memset(uriDataOut, 0, sizeof(UriData_t)); |
| rgrover1 | 918:2b12b53101ea | 610 | |
| rgrover1 | 918:2b12b53101ea | 611 | if ((uriDataIn == NULL) || (strlen(uriDataIn) == 0)) { |
| rgrover1 | 918:2b12b53101ea | 612 | return; |
| rgrover1 | 918:2b12b53101ea | 613 | } |
| rgrover1 | 918:2b12b53101ea | 614 | |
| rgrover1 | 918:2b12b53101ea | 615 | /* |
| rgrover1 | 918:2b12b53101ea | 616 | * handle prefix |
| rgrover1 | 918:2b12b53101ea | 617 | */ |
| rgrover1 | 918:2b12b53101ea | 618 | for (unsigned i = 0; i < NUM_PREFIXES; i++) { |
| rgrover1 | 918:2b12b53101ea | 619 | size_t prefixLen = strlen(prefixes[i]); |
| rgrover1 | 918:2b12b53101ea | 620 | if (strncmp(uriDataIn, prefixes[i], prefixLen) == 0) { |
| rgrover1 | 918:2b12b53101ea | 621 | uriDataOut[sizeofURIDataOut++] = i; |
| rgrover1 | 918:2b12b53101ea | 622 | uriDataIn += prefixLen; |
| rgrover1 | 918:2b12b53101ea | 623 | break; |
| rgrover1 | 918:2b12b53101ea | 624 | } |
| rgrover1 | 918:2b12b53101ea | 625 | } |
| rgrover1 | 918:2b12b53101ea | 626 | |
| rgrover1 | 918:2b12b53101ea | 627 | /* |
| rgrover1 | 918:2b12b53101ea | 628 | * handle suffixes |
| rgrover1 | 918:2b12b53101ea | 629 | */ |
| rgrover1 | 918:2b12b53101ea | 630 | while (*uriDataIn && (sizeofURIDataOut < URI_DATA_MAX)) { |
| rgrover1 | 918:2b12b53101ea | 631 | /* check for suffix match */ |
| rgrover1 | 918:2b12b53101ea | 632 | unsigned i; |
| rgrover1 | 918:2b12b53101ea | 633 | for (i = 0; i < NUM_SUFFIXES; i++) { |
| rgrover1 | 918:2b12b53101ea | 634 | size_t suffixLen = strlen(suffixes[i]); |
| rgrover1 | 918:2b12b53101ea | 635 | if (strncmp(uriDataIn, suffixes[i], suffixLen) == 0) { |
| rgrover1 | 918:2b12b53101ea | 636 | uriDataOut[sizeofURIDataOut++] = i; |
| rgrover1 | 918:2b12b53101ea | 637 | uriDataIn += suffixLen; |
| rgrover1 | 918:2b12b53101ea | 638 | break; /* from the for loop for checking against suffixes */ |
| rgrover1 | 918:2b12b53101ea | 639 | } |
| rgrover1 | 918:2b12b53101ea | 640 | } |
| rgrover1 | 918:2b12b53101ea | 641 | /* This is the default case where we've got an ordinary character which doesn't match a suffix. */ |
| rgrover1 | 918:2b12b53101ea | 642 | INFO("Encoding URI: No Suffix Found"); |
| rgrover1 | 918:2b12b53101ea | 643 | if (i == NUM_SUFFIXES) { |
| rgrover1 | 918:2b12b53101ea | 644 | uriDataOut[sizeofURIDataOut++] = *uriDataIn; |
| rgrover1 | 918:2b12b53101ea | 645 | ++uriDataIn; |
| rgrover1 | 918:2b12b53101ea | 646 | } |
| rgrover1 | 918:2b12b53101ea | 647 | } |
| rgrover1 | 918:2b12b53101ea | 648 | } |
| rgrover1 | 918:2b12b53101ea | 649 | }; |
| rgrover1 | 918:2b12b53101ea | 650 | |
| rgrover1 | 918:2b12b53101ea | 651 | #endif // SERVICES_EDDYSTONEBEACON_H_ |