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@180:afcd2f9c2ada, 2014-11-28 (annotated)

Committer:
rgrover1
Date:
Fri Nov 28 14:11:23 2014 +0000
Revision:
180:afcd2f9c2ada
Parent:
179:fb2119e99e88
Child:
181:bbb6ce1082c3
Synchronized with git rev 077bbb23

Author: Rohit Grover

add a static setupService to create a singleton URIBeaconService object.

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