Microbug / BLE_API_FOTA

Lightly modified version of the BLE stack, that doesn't bring up a DFUService by default... as we have our own.

Fork of BLE_API by Bluetooth Low Energy

services/URIBeacon2Service.h@181:bbb6ce1082c3, 2014-11-28 (annotated)

Committer:
rgrover1
Date:
Fri Nov 28 14:11:23 2014 +0000
Revision:
181:bbb6ce1082c3
Parent:
180:afcd2f9c2ada
Child:
182:d16f8c11816b
Synchronized with git rev e5145420

Author: Rohit Grover

add a comment header for setupService

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rgrover1 171:6092e61690dc 1 /* mbed Microcontroller Library
rgrover1 171:6092e61690dc 2 * Copyright (c) 2006-2013 ARM Limited
rgrover1 171:6092e61690dc 3 *
rgrover1 171:6092e61690dc 4 * Licensed under the Apache License, Version 2.0 (the "License");
rgrover1 171:6092e61690dc 5 * you may not use this file except in compliance with the License.
rgrover1 171:6092e61690dc 6 * You may obtain a copy of the License at
rgrover1 171:6092e61690dc 7 *
rgrover1 171:6092e61690dc 8 * http://www.apache.org/licenses/LICENSE-2.0
rgrover1 171:6092e61690dc 9 *
rgrover1 171:6092e61690dc 10 * Unless required by applicable law or agreed to in writing, software
rgrover1 171:6092e61690dc 11 * distributed under the License is distributed on an "AS IS" BASIS,
rgrover1 171:6092e61690dc 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rgrover1 171:6092e61690dc 13 * See the License for the specific language governing permissions and
rgrover1 171:6092e61690dc 14 * limitations under the License.
rgrover1 171:6092e61690dc 15 */
rgrover1 171:6092e61690dc 16
rgrover1 171:6092e61690dc 17 #ifndef __BLE_URI_BEACON_2_SERVICE_H__
rgrover1 171:6092e61690dc 18 #define __BLE_URI_BEACON_2_SERVICE_H__
rgrover1 171:6092e61690dc 19
rgrover1 171:6092e61690dc 20 #include "BLEDevice.h"
rgrover1 171:6092e61690dc 21
rgrover1 171:6092e61690dc 22 #define UUID_INITIALIZER_LIST(FIRST, SECOND) { \
rgrover1 171:6092e61690dc 23 0xee, 0x0c, FIRST, SECOND, 0x87, 0x86, 0x40, 0xba, \
rgrover1 171:6092e61690dc 24 0xab, 0x96, 0x99, 0xb9, 0x1a, 0xc9, 0x81, 0xd8, \
rgrover1 171:6092e61690dc 25 }
rgrover1 171:6092e61690dc 26 const uint8_t URIBeacon2ControlServiceUUID[] = UUID_INITIALIZER_LIST(0x20, 0x80);
rgrover1 171:6092e61690dc 27 const uint8_t lockedStateCharUUID[] = UUID_INITIALIZER_LIST(0x20, 0x81);
rgrover1 171:6092e61690dc 28 const uint8_t uriDataCharUUID[] = UUID_INITIALIZER_LIST(0x20, 0x84);
rgrover1 171:6092e61690dc 29 const uint8_t flagsCharUUID[] = UUID_INITIALIZER_LIST(0x20, 0x85);
rgrover1 178:b6d6a2a11e86 30 const uint8_t txPowerLevelsCharUUID[] = UUID_INITIALIZER_LIST(0x20, 0x86);
rgrover1 171:6092e61690dc 31 const uint8_t beaconPeriodCharUUID[] = UUID_INITIALIZER_LIST(0x20, 0x88);
rgrover1 171:6092e61690dc 32
rgrover1 171:6092e61690dc 33 class URIBeacon2Service {
rgrover1 180:afcd2f9c2ada 34 public:
rgrover1 175:4e85f7225f8f 35 enum TXPowerModes_t {
rgrover1 175:4e85f7225f8f 36 TX_POWER_MODE_LOWEST = 0,
rgrover1 175:4e85f7225f8f 37 TX_POWER_MODE_LOW = 1,
rgrover1 175:4e85f7225f8f 38 TX_POWER_MODE_MEDIUM = 2,
rgrover1 175:4e85f7225f8f 39 TX_POWER_MODE_HIGH = 3,
rgrover1 177:17f4b5924fe9 40 NUM_POWER_MODES
rgrover1 175:4e85f7225f8f 41 };
rgrover1 175:4e85f7225f8f 42
rgrover1 181:bbb6ce1082c3 43 /**
rgrover1 181:bbb6ce1082c3 44 * Singleton factory.
rgrover1 181:bbb6ce1082c3 45 *
rgrover1 181:bbb6ce1082c3 46 * @param[ref] ble
rgrover1 181:bbb6ce1082c3 47 * BLEDevice object for the underlying controller.
rgrover1 181:bbb6ce1082c3 48 * @param[in] urldata
rgrover1 181:bbb6ce1082c3 49 * URI as a null-terminated string.
rgrover1 181:bbb6ce1082c3 50 * @param[in] flagsIn
rgrover1 181:bbb6ce1082c3 51 * UriBeacon Flags.
rgrover1 181:bbb6ce1082c3 52 * @param[in] effectiveTxPowerIn
rgrover1 181:bbb6ce1082c3 53 * UriBeacon Tx Power Level in dBm.
rgrover1 181:bbb6ce1082c3 54 * @param[in] beaconPeriodIn
rgrover1 181:bbb6ce1082c3 55 * The period in milliseconds that a UriBeacon packet is
rgrover1 181:bbb6ce1082c3 56 * transmitted. A value of zero disables UriBeacon
rgrover1 181:bbb6ce1082c3 57 * transmissions.
rgrover1 181:bbb6ce1082c3 58 * @return
rgrover1 181:bbb6ce1082c3 59 * Pointer to the singleton uribeacon service if the initialization goes well; else NULL.
rgrover1 181:bbb6ce1082c3 60 */
rgrover1 180:afcd2f9c2ada 61 static URIBeacon2Service *setupService(BLEDevice &ble_, const char *urldata, uint8_t flagsIn = 0, int8_t effectiveTxPowerIn = 0, uint16_t beaconPeriodIn = 1000) {
rgrover1 180:afcd2f9c2ada 62 if ((urldata == NULL) || (strlen(urldata) == 0)) {
rgrover1 180:afcd2f9c2ada 63 return NULL;
rgrover1 171:6092e61690dc 64 }
rgrover1 171:6092e61690dc 65
rgrover1 180:afcd2f9c2ada 66 static URIBeacon2Service service(ble_, urldata, flagsIn, effectiveTxPowerIn, beaconPeriodIn);
rgrover1 180:afcd2f9c2ada 67 return &service;
rgrover1 171:6092e61690dc 68 }
rgrover1 171:6092e61690dc 69
rgrover1 173:05c4b1cea65f 70 /**
rgrover1 173:05c4b1cea65f 71 * Update flags of the URIBeacon dynamically.
rgrover1 173:05c4b1cea65f 72 *
rgrover1 173:05c4b1cea65f 73 * @param[in] flagsIn
rgrover1 173:05c4b1cea65f 74 *
rgrover1 173:05c4b1cea65f 75 * ### UriBeacon Flags
rgrover1 173:05c4b1cea65f 76 * Bit | Description
rgrover1 173:05c4b1cea65f 77 * :---- | :----------
rgrover1 173:05c4b1cea65f 78 * 0 | Invisible Hint
rgrover1 173:05c4b1cea65f 79 * 1..7 | Reserved for future use. Must be zero.
rgrover1 173:05c4b1cea65f 80 *
rgrover1 173:05c4b1cea65f 81 * The `Invisible Hint` flag is a command for the user-agent that tells
rgrover1 173:05c4b1cea65f 82 * it not to access or display the UriBeacon. This is a guideline only,
rgrover1 173:05c4b1cea65f 83 * and is not a blocking method. User agents may, with user approval,
rgrover1 173:05c4b1cea65f 84 * display invisible beacons.
rgrover1 173:05c4b1cea65f 85 */
rgrover1 171:6092e61690dc 86 void setFlags(uint8_t flagsIn) {
rgrover1 171:6092e61690dc 87 flags = flagsIn;
rgrover1 171:6092e61690dc 88 setup();
rgrover1 171:6092e61690dc 89 }
rgrover1 171:6092e61690dc 90
rgrover1 177:17f4b5924fe9 91 /**
rgrover1 177:17f4b5924fe9 92 * Update the txPower for a particular mode in the powerLevels table.
rgrover1 177:17f4b5924fe9 93 */
rgrover1 177:17f4b5924fe9 94 void setTxPowerLevel(TXPowerModes_t mode, int8_t txPowerIn) {
rgrover1 177:17f4b5924fe9 95 powerLevels[mode] = txPowerIn;
rgrover1 177:17f4b5924fe9 96 }
rgrover1 177:17f4b5924fe9 97
rgrover1 177:17f4b5924fe9 98 /**
rgrover1 177:17f4b5924fe9 99 * Set the effective power mode from one of the values in the powerLevels tables.
rgrover1 177:17f4b5924fe9 100 */
rgrover1 177:17f4b5924fe9 101 void setPowerMode(TXPowerModes_t mode) {
rgrover1 177:17f4b5924fe9 102 effectivePower = powerLevels[mode];
rgrover1 171:6092e61690dc 103 setup();
rgrover1 171:6092e61690dc 104 }
rgrover1 171:6092e61690dc 105
rgrover1 171:6092e61690dc 106 void setBeaconPeriod(uint16_t beaconPeriodIn) {
rgrover1 171:6092e61690dc 107 beaconPeriod = beaconPeriodIn;
rgrover1 171:6092e61690dc 108 setup();
rgrover1 171:6092e61690dc 109 }
rgrover1 171:6092e61690dc 110
rgrover1 180:afcd2f9c2ada 111 private:
rgrover1 180:afcd2f9c2ada 112 URIBeacon2Service(BLEDevice &ble_, const char *urldata, uint8_t flagsIn = 0, int8_t effectiveTxPowerIn = 0, uint16_t beaconPeriodIn = 1000) :
rgrover1 180:afcd2f9c2ada 113 ble(ble_),
rgrover1 180:afcd2f9c2ada 114 payloadIndex(0),
rgrover1 180:afcd2f9c2ada 115 serviceDataPayload(),
rgrover1 180:afcd2f9c2ada 116 lockedState(false),
rgrover1 180:afcd2f9c2ada 117 uriDataLength(strlen(urldata)),
rgrover1 180:afcd2f9c2ada 118 uriDataValue(),
rgrover1 180:afcd2f9c2ada 119 flags(flagsIn),
rgrover1 180:afcd2f9c2ada 120 effectivePower(effectiveTxPowerIn),
rgrover1 180:afcd2f9c2ada 121 powerLevels(),
rgrover1 180:afcd2f9c2ada 122 beaconPeriod(Gap::MSEC_TO_ADVERTISEMENT_DURATION_UNITS(beaconPeriodIn)),
rgrover1 180:afcd2f9c2ada 123 lockedStateChar(lockedStateCharUUID, reinterpret_cast<uint8_t *>(&lockedState), 1, 1, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ),
rgrover1 180:afcd2f9c2ada 124 uriDataChar(uriDataCharUUID,
rgrover1 180:afcd2f9c2ada 125 uriDataValue,
rgrover1 180:afcd2f9c2ada 126 MAX_SIZE_URI_DATA_CHAR_VALUE,
rgrover1 180:afcd2f9c2ada 127 MAX_SIZE_URI_DATA_CHAR_VALUE,
rgrover1 180:afcd2f9c2ada 128 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE),
rgrover1 180:afcd2f9c2ada 129 flagsChar(flagsCharUUID, &flags, 1, 1, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE),
rgrover1 180:afcd2f9c2ada 130 txPowerLevelsChar(txPowerLevelsCharUUID,
rgrover1 180:afcd2f9c2ada 131 reinterpret_cast<uint8_t *>(powerLevels),
rgrover1 180:afcd2f9c2ada 132 NUM_POWER_MODES * sizeof(int8_t),
rgrover1 180:afcd2f9c2ada 133 NUM_POWER_MODES * sizeof(int8_t),
rgrover1 180:afcd2f9c2ada 134 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE),
rgrover1 180:afcd2f9c2ada 135 beaconPeriodChar(beaconPeriodCharUUID, reinterpret_cast<uint8_t *>(&beaconPeriod), 2, 2,
rgrover1 180:afcd2f9c2ada 136 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE)
rgrover1 180:afcd2f9c2ada 137 {
rgrover1 180:afcd2f9c2ada 138 strncpy(reinterpret_cast<char *>(uriDataValue), urldata, MAX_SIZE_URI_DATA_CHAR_VALUE);
rgrover1 180:afcd2f9c2ada 139
rgrover1 180:afcd2f9c2ada 140 setup();
rgrover1 180:afcd2f9c2ada 141
rgrover1 180:afcd2f9c2ada 142 GattCharacteristic *charTable[] = {&lockedStateChar, &uriDataChar, &flagsChar, &txPowerLevelsChar, &beaconPeriodChar};
rgrover1 180:afcd2f9c2ada 143 GattService beaconControlService(URIBeacon2ControlServiceUUID, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
rgrover1 180:afcd2f9c2ada 144
rgrover1 180:afcd2f9c2ada 145 ble.addService(beaconControlService);
rgrover1 180:afcd2f9c2ada 146 ble.onDataWritten(this, &URIBeacon2Service::onDataWritten);
rgrover1 180:afcd2f9c2ada 147 }
rgrover1 180:afcd2f9c2ada 148
rgrover1 171:6092e61690dc 149 protected:
rgrover1 171:6092e61690dc 150 /**
rgrover1 171:6092e61690dc 151 * This callback allows the DFU service to receive the initial trigger to
rgrover1 171:6092e61690dc 152 * handover control to the bootloader; but first the application is given a
rgrover1 171:6092e61690dc 153 * chance to clean up.
rgrover1 171:6092e61690dc 154 */
rgrover1 171:6092e61690dc 155 virtual void onDataWritten(const GattCharacteristicWriteCBParams *params) {
rgrover1 171:6092e61690dc 156 if (params->charHandle == uriDataChar.getValueAttribute().getHandle()) {
rgrover1 171:6092e61690dc 157 if (lockedState) { /* When locked, the device isn't allowed to update the uriData characteristic. */
rgrover1 171:6092e61690dc 158 /* Restore GATT database with previous value. */
rgrover1 171:6092e61690dc 159 ble.updateCharacteristicValue(uriDataChar.getValueAttribute().getHandle(), uriDataValue, uriDataLength);
rgrover1 171:6092e61690dc 160 return;
rgrover1 171:6092e61690dc 161 }
rgrover1 171:6092e61690dc 162
rgrover1 171:6092e61690dc 163 /* We don't handle very large writes at the moment. */
rgrover1 171:6092e61690dc 164 if ((params->offset != 0) || (params->len > MAX_SIZE_URI_DATA_CHAR_VALUE)) {
rgrover1 171:6092e61690dc 165 return;
rgrover1 171:6092e61690dc 166 }
rgrover1 171:6092e61690dc 167
rgrover1 171:6092e61690dc 168 uriDataLength = params->len;
rgrover1 171:6092e61690dc 169 memcpy(uriDataValue, params->data, uriDataLength);
rgrover1 171:6092e61690dc 170 } else if (params->charHandle == flagsChar.getValueAttribute().getHandle()) {
rgrover1 178:b6d6a2a11e86 171 if (lockedState) { /* When locked, the device isn't allowed to update the characteristic. */
rgrover1 171:6092e61690dc 172 /* Restore GATT database with previous value. */
rgrover1 171:6092e61690dc 173 ble.updateCharacteristicValue(flagsChar.getValueAttribute().getHandle(), &flags, 1 /* size */);
rgrover1 171:6092e61690dc 174 return;
rgrover1 171:6092e61690dc 175 } else {
rgrover1 171:6092e61690dc 176 flags = *(params->data);
rgrover1 171:6092e61690dc 177 }
rgrover1 178:b6d6a2a11e86 178 } else if (params->charHandle == txPowerLevelsChar.getValueAttribute().getHandle()) {
rgrover1 178:b6d6a2a11e86 179 if (lockedState) { /* When locked, the device isn't allowed to update the characteristic. */
rgrover1 178:b6d6a2a11e86 180 /* Restore GATT database with previous value. */
rgrover1 178:b6d6a2a11e86 181 ble.updateCharacteristicValue(txPowerLevelsChar.getValueAttribute().getHandle(), reinterpret_cast<uint8_t *>(powerLevels), NUM_POWER_MODES * sizeof(int8_t));
rgrover1 178:b6d6a2a11e86 182 return;
rgrover1 178:b6d6a2a11e86 183 } else {
rgrover1 178:b6d6a2a11e86 184 memcpy(powerLevels, params->data, NUM_POWER_MODES * sizeof(int8_t));
rgrover1 178:b6d6a2a11e86 185 }
rgrover1 171:6092e61690dc 186 } else if (params->charHandle == beaconPeriodChar.getValueAttribute().getHandle()) {
rgrover1 178:b6d6a2a11e86 187 if (lockedState) { /* When locked, the device isn't allowed to update the characteristic. */
rgrover1 171:6092e61690dc 188 /* Restore GATT database with previous value. */
rgrover1 171:6092e61690dc 189 ble.updateCharacteristicValue(beaconPeriodChar.getValueAttribute().getHandle(), (uint8_t *)&beaconPeriod, 2 /* size */);
rgrover1 171:6092e61690dc 190 return;
rgrover1 171:6092e61690dc 191 } else {
rgrover1 171:6092e61690dc 192 beaconPeriod = *((uint16_t *)(params->data));
rgrover1 171:6092e61690dc 193 }
rgrover1 171:6092e61690dc 194 }
rgrover1 171:6092e61690dc 195 setup();
rgrover1 171:6092e61690dc 196 ble.setAdvertisingPayload();
rgrover1 171:6092e61690dc 197 }
rgrover1 171:6092e61690dc 198
rgrover1 171:6092e61690dc 199 /**
rgrover1 171:6092e61690dc 200 * For debugging only.
rgrover1 171:6092e61690dc 201 */
rgrover1 171:6092e61690dc 202 void dumpEncodedSeviceData() const {
rgrover1 171:6092e61690dc 203 printf("encoded: '");
rgrover1 171:6092e61690dc 204 for (unsigned i = 0; i < payloadIndex; i++) {
rgrover1 171:6092e61690dc 205 printf(" %02x", serviceDataPayload[i]);
rgrover1 171:6092e61690dc 206 }
rgrover1 171:6092e61690dc 207 printf("'\r\n");
rgrover1 171:6092e61690dc 208 }
rgrover1 171:6092e61690dc 209
rgrover1 171:6092e61690dc 210 private:
rgrover1 171:6092e61690dc 211 void setup(void) {
rgrover1 171:6092e61690dc 212 const uint8_t BEACON_UUID[] = {0xD8, 0xFE};
rgrover1 171:6092e61690dc 213
rgrover1 171:6092e61690dc 214 payloadIndex = 0;
rgrover1 171:6092e61690dc 215 serviceDataPayload[payloadIndex++] = BEACON_UUID[0];
rgrover1 171:6092e61690dc 216 serviceDataPayload[payloadIndex++] = BEACON_UUID[1];
rgrover1 171:6092e61690dc 217 serviceDataPayload[payloadIndex++] = flags;
rgrover1 174:5ae7781362b6 218 serviceDataPayload[payloadIndex++] = effectivePower;
rgrover1 171:6092e61690dc 219
rgrover1 171:6092e61690dc 220 const char *urlData = reinterpret_cast<char *>(uriDataValue);
rgrover1 171:6092e61690dc 221 size_t sizeofURLData = uriDataLength;
rgrover1 171:6092e61690dc 222 size_t encodedBytes = encodeURISchemePrefix(urlData, sizeofURLData) + encodeURI(urlData, sizeofURLData);
rgrover1 171:6092e61690dc 223
rgrover1 171:6092e61690dc 224 ble.clearAdvertisingPayload();
rgrover1 171:6092e61690dc 225 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, BEACON_UUID, sizeof(BEACON_UUID));
rgrover1 171:6092e61690dc 226 ble.accumulateAdvertisingPayload(GapAdvertisingData::SERVICE_DATA, serviceDataPayload, encodedBytes + 4);
rgrover1 171:6092e61690dc 227
rgrover1 171:6092e61690dc 228 ble.setAdvertisingInterval(beaconPeriod);
rgrover1 174:5ae7781362b6 229 ble.setTxPower(effectivePower);
rgrover1 171:6092e61690dc 230 }
rgrover1 171:6092e61690dc 231
rgrover1 171:6092e61690dc 232 size_t encodeURISchemePrefix(const char *&urldata, size_t &sizeofURLData) {
rgrover1 171:6092e61690dc 233 const char *prefixes[] = {
rgrover1 171:6092e61690dc 234 "http://www.",
rgrover1 171:6092e61690dc 235 "https://www.",
rgrover1 171:6092e61690dc 236 "http://",
rgrover1 171:6092e61690dc 237 "https://",
rgrover1 171:6092e61690dc 238 "urn:uuid:"
rgrover1 171:6092e61690dc 239 };
rgrover1 171:6092e61690dc 240
rgrover1 171:6092e61690dc 241 size_t encodedBytes = 0;
rgrover1 171:6092e61690dc 242 const size_t NUM_PREFIXES = sizeof(prefixes) / sizeof(char *);
rgrover1 171:6092e61690dc 243 for (unsigned i = 0; i < NUM_PREFIXES; i++) {
rgrover1 171:6092e61690dc 244 size_t prefixLen = strlen(prefixes[i]);
rgrover1 171:6092e61690dc 245 if (strncmp(urldata, prefixes[i], prefixLen) == 0) {
rgrover1 171:6092e61690dc 246 serviceDataPayload[payloadIndex++] = i;
rgrover1 171:6092e61690dc 247 encodedBytes = 1;
rgrover1 171:6092e61690dc 248
rgrover1 171:6092e61690dc 249 urldata += prefixLen;
rgrover1 171:6092e61690dc 250 sizeofURLData -= prefixLen;
rgrover1 171:6092e61690dc 251 break;
rgrover1 171:6092e61690dc 252 }
rgrover1 171:6092e61690dc 253 }
rgrover1 171:6092e61690dc 254
rgrover1 171:6092e61690dc 255 return encodedBytes;
rgrover1 171:6092e61690dc 256 }
rgrover1 171:6092e61690dc 257
rgrover1 171:6092e61690dc 258 size_t encodeURI(const char *urldata, size_t sizeofURLData) {
rgrover1 171:6092e61690dc 259 const char *suffixes[] = {
rgrover1 171:6092e61690dc 260 ".com/",
rgrover1 171:6092e61690dc 261 ".org/",
rgrover1 171:6092e61690dc 262 ".edu/",
rgrover1 171:6092e61690dc 263 ".net/",
rgrover1 171:6092e61690dc 264 ".info/",
rgrover1 171:6092e61690dc 265 ".biz/",
rgrover1 171:6092e61690dc 266 ".gov/",
rgrover1 171:6092e61690dc 267 ".com",
rgrover1 171:6092e61690dc 268 ".org",
rgrover1 171:6092e61690dc 269 ".edu",
rgrover1 171:6092e61690dc 270 ".net",
rgrover1 171:6092e61690dc 271 ".info",
rgrover1 171:6092e61690dc 272 ".biz",
rgrover1 171:6092e61690dc 273 ".gov"
rgrover1 171:6092e61690dc 274 };
rgrover1 171:6092e61690dc 275 const size_t NUM_SUFFIXES = sizeof(suffixes) / sizeof(char *);
rgrover1 171:6092e61690dc 276
rgrover1 171:6092e61690dc 277 size_t encodedBytes = 0;
rgrover1 171:6092e61690dc 278 while (sizeofURLData && (payloadIndex < MAX_SIZEOF_SERVICE_DATA_PAYLOAD)) {
rgrover1 171:6092e61690dc 279 /* check for suffix match */
rgrover1 171:6092e61690dc 280 unsigned i;
rgrover1 171:6092e61690dc 281 for (i = 0; i < NUM_SUFFIXES; i++) {
rgrover1 171:6092e61690dc 282 size_t suffixLen = strlen(suffixes[i]);
rgrover1 171:6092e61690dc 283 if ((suffixLen == 0) || (sizeofURLData < suffixLen)) {
rgrover1 171:6092e61690dc 284 continue;
rgrover1 171:6092e61690dc 285 }
rgrover1 171:6092e61690dc 286
rgrover1 171:6092e61690dc 287 if (strncmp(urldata, suffixes[i], suffixLen) == 0) {
rgrover1 171:6092e61690dc 288 serviceDataPayload[payloadIndex++] = i;
rgrover1 171:6092e61690dc 289 ++encodedBytes;
rgrover1 171:6092e61690dc 290 urldata += suffixLen;
rgrover1 171:6092e61690dc 291 sizeofURLData -= suffixLen;
rgrover1 171:6092e61690dc 292 break; /* from the for loop for checking against suffixes */
rgrover1 171:6092e61690dc 293 }
rgrover1 171:6092e61690dc 294 }
rgrover1 171:6092e61690dc 295 /* This is the default case where we've got an ordinary character which doesn't match a suffix. */
rgrover1 171:6092e61690dc 296 if (i == NUM_SUFFIXES) {
rgrover1 171:6092e61690dc 297 serviceDataPayload[payloadIndex++] = *urldata;
rgrover1 171:6092e61690dc 298 ++encodedBytes;
rgrover1 171:6092e61690dc 299 ++urldata;
rgrover1 171:6092e61690dc 300 --sizeofURLData;
rgrover1 171:6092e61690dc 301 }
rgrover1 171:6092e61690dc 302 }
rgrover1 171:6092e61690dc 303
rgrover1 171:6092e61690dc 304 return encodedBytes;
rgrover1 171:6092e61690dc 305 }
rgrover1 171:6092e61690dc 306
rgrover1 171:6092e61690dc 307 private:
rgrover1 171:6092e61690dc 308 static const size_t MAX_SIZEOF_SERVICE_DATA_PAYLOAD = 27;
rgrover1 171:6092e61690dc 309 static const size_t MAX_SIZE_URI_DATA_CHAR_VALUE = 48;
rgrover1 171:6092e61690dc 310
rgrover1 171:6092e61690dc 311 private:
rgrover1 171:6092e61690dc 312 BLEDevice &ble;
rgrover1 171:6092e61690dc 313
rgrover1 171:6092e61690dc 314 size_t payloadIndex;
rgrover1 171:6092e61690dc 315 uint8_t serviceDataPayload[MAX_SIZEOF_SERVICE_DATA_PAYLOAD];
rgrover1 171:6092e61690dc 316 bool lockedState;
rgrover1 171:6092e61690dc 317 uint16_t uriDataLength;
rgrover1 171:6092e61690dc 318 uint8_t uriDataValue[MAX_SIZE_URI_DATA_CHAR_VALUE];
rgrover1 171:6092e61690dc 319 uint8_t flags;
rgrover1 174:5ae7781362b6 320 int8_t effectivePower;
rgrover1 177:17f4b5924fe9 321 int8_t powerLevels[NUM_POWER_MODES];
rgrover1 171:6092e61690dc 322 uint16_t beaconPeriod;
rgrover1 171:6092e61690dc 323
rgrover1 171:6092e61690dc 324 GattCharacteristic lockedStateChar;
rgrover1 171:6092e61690dc 325 GattCharacteristic uriDataChar;
rgrover1 171:6092e61690dc 326 GattCharacteristic flagsChar;
rgrover1 178:b6d6a2a11e86 327 GattCharacteristic txPowerLevelsChar;
rgrover1 171:6092e61690dc 328 GattCharacteristic beaconPeriodChar;
rgrover1 171:6092e61690dc 329 };
rgrover1 171:6092e61690dc 330
rgrover1 171:6092e61690dc 331 #endif /* #ifndef __BLE_URI_BEACON_2_SERVICE_H__*/