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@188:9020a5ac80c8, 2014-11-28 (annotated)

Committer:
rgrover1
Date:
Fri Nov 28 14:11:24 2014 +0000
Revision:
188:9020a5ac80c8
Parent:
187:057c547facd2
Child:
189:a23091b54ab5
Synchronized with git rev 149a4135

Author: Rohit Grover

some more variable renames.

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 188:9020a5ac80c8 61 static URIBeacon2Service *setup(BLEDevice &bleIn, const char *uriDataIn, uint8_t flagsIn = 0, int8_t effectiveTxPowerIn = 0, uint16_t beaconPeriodIn = 1000) {
rgrover1 188:9020a5ac80c8 62 if ((uriDataIn == NULL) || (strlen(uriDataIn) == 0)) {
rgrover1 180:afcd2f9c2ada 63 return NULL;
rgrover1 171:6092e61690dc 64 }
rgrover1 171:6092e61690dc 65
rgrover1 188:9020a5ac80c8 66 static URIBeacon2Service service(bleIn, uriDataIn, flagsIn, effectiveTxPowerIn, beaconPeriodIn);
rgrover1 182:d16f8c11816b 67 if (!service.failedToAccomodate) {
rgrover1 182:d16f8c11816b 68 return &service;
rgrover1 182:d16f8c11816b 69 }
rgrover1 182:d16f8c11816b 70
rgrover1 182:d16f8c11816b 71 return NULL; /* Oops. Failed to accommodate uridata within the advertising payload. */
rgrover1 171:6092e61690dc 72 }
rgrover1 171:6092e61690dc 73
rgrover1 173:05c4b1cea65f 74 /**
rgrover1 173:05c4b1cea65f 75 * Update flags of the URIBeacon dynamically.
rgrover1 173:05c4b1cea65f 76 *
rgrover1 173:05c4b1cea65f 77 * @param[in] flagsIn
rgrover1 173:05c4b1cea65f 78 *
rgrover1 173:05c4b1cea65f 79 * ### UriBeacon Flags
rgrover1 173:05c4b1cea65f 80 * Bit | Description
rgrover1 173:05c4b1cea65f 81 * :---- | :----------
rgrover1 173:05c4b1cea65f 82 * 0 | Invisible Hint
rgrover1 173:05c4b1cea65f 83 * 1..7 | Reserved for future use. Must be zero.
rgrover1 173:05c4b1cea65f 84 *
rgrover1 173:05c4b1cea65f 85 * The `Invisible Hint` flag is a command for the user-agent that tells
rgrover1 173:05c4b1cea65f 86 * it not to access or display the UriBeacon. This is a guideline only,
rgrover1 173:05c4b1cea65f 87 * and is not a blocking method. User agents may, with user approval,
rgrover1 173:05c4b1cea65f 88 * display invisible beacons.
rgrover1 173:05c4b1cea65f 89 */
rgrover1 171:6092e61690dc 90 void setFlags(uint8_t flagsIn) {
rgrover1 171:6092e61690dc 91 flags = flagsIn;
rgrover1 184:ec211f2288ef 92 configure();
rgrover1 171:6092e61690dc 93 }
rgrover1 171:6092e61690dc 94
rgrover1 177:17f4b5924fe9 95 /**
rgrover1 183:41d6ffadba96 96 * Please note that the following public APIs are offered to allow modifying
rgrover1 183:41d6ffadba96 97 * the service programmatically. It is also possible to do so over BLE GATT
rgrover1 183:41d6ffadba96 98 * transactions.
rgrover1 183:41d6ffadba96 99 */
rgrover1 183:41d6ffadba96 100 public:
rgrover1 183:41d6ffadba96 101 /**
rgrover1 177:17f4b5924fe9 102 * Update the txPower for a particular mode in the powerLevels table.
rgrover1 177:17f4b5924fe9 103 */
rgrover1 177:17f4b5924fe9 104 void setTxPowerLevel(TXPowerModes_t mode, int8_t txPowerIn) {
rgrover1 177:17f4b5924fe9 105 powerLevels[mode] = txPowerIn;
rgrover1 177:17f4b5924fe9 106 }
rgrover1 177:17f4b5924fe9 107
rgrover1 177:17f4b5924fe9 108 /**
rgrover1 177:17f4b5924fe9 109 * Set the effective power mode from one of the values in the powerLevels tables.
rgrover1 177:17f4b5924fe9 110 */
rgrover1 177:17f4b5924fe9 111 void setPowerMode(TXPowerModes_t mode) {
rgrover1 177:17f4b5924fe9 112 effectivePower = powerLevels[mode];
rgrover1 184:ec211f2288ef 113 configure();
rgrover1 171:6092e61690dc 114 }
rgrover1 171:6092e61690dc 115
rgrover1 183:41d6ffadba96 116 /**
rgrover1 183:41d6ffadba96 117 * The period in milliseconds that a UriBeacon packet is transmitted.
rgrover1 183:41d6ffadba96 118 *
rgrover1 183:41d6ffadba96 119 * @Note: A value of zero disables UriBeacon transmissions.
rgrover1 183:41d6ffadba96 120 */
rgrover1 171:6092e61690dc 121 void setBeaconPeriod(uint16_t beaconPeriodIn) {
rgrover1 171:6092e61690dc 122 beaconPeriod = beaconPeriodIn;
rgrover1 184:ec211f2288ef 123 configure();
rgrover1 171:6092e61690dc 124 }
rgrover1 171:6092e61690dc 125
rgrover1 180:afcd2f9c2ada 126 private:
rgrover1 183:41d6ffadba96 127 /**
rgrover1 183:41d6ffadba96 128 * Private constructor. We want a singleton.
rgrover1 183:41d6ffadba96 129 */
rgrover1 188:9020a5ac80c8 130 URIBeacon2Service(BLEDevice &bleIn, const char *uriDataIn, uint8_t flagsIn = 0, int8_t effectiveTxPowerIn = 0, uint16_t beaconPeriodIn = 1000) :
rgrover1 187:057c547facd2 131 ble(bleIn),
rgrover1 180:afcd2f9c2ada 132 payloadIndex(0),
rgrover1 180:afcd2f9c2ada 133 serviceDataPayload(),
rgrover1 182:d16f8c11816b 134 failedToAccomodate(false),
rgrover1 180:afcd2f9c2ada 135 lockedState(false),
rgrover1 188:9020a5ac80c8 136 uriDataLength(strlen(uriDataIn)),
rgrover1 187:057c547facd2 137 uriData(),
rgrover1 180:afcd2f9c2ada 138 flags(flagsIn),
rgrover1 180:afcd2f9c2ada 139 effectivePower(effectiveTxPowerIn),
rgrover1 180:afcd2f9c2ada 140 powerLevels(),
rgrover1 180:afcd2f9c2ada 141 beaconPeriod(Gap::MSEC_TO_ADVERTISEMENT_DURATION_UNITS(beaconPeriodIn)),
rgrover1 180:afcd2f9c2ada 142 lockedStateChar(lockedStateCharUUID, reinterpret_cast<uint8_t *>(&lockedState), 1, 1, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ),
rgrover1 180:afcd2f9c2ada 143 uriDataChar(uriDataCharUUID,
rgrover1 187:057c547facd2 144 uriData,
rgrover1 180:afcd2f9c2ada 145 MAX_SIZE_URI_DATA_CHAR_VALUE,
rgrover1 180:afcd2f9c2ada 146 MAX_SIZE_URI_DATA_CHAR_VALUE,
rgrover1 180:afcd2f9c2ada 147 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE),
rgrover1 180:afcd2f9c2ada 148 flagsChar(flagsCharUUID, &flags, 1, 1, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE),
rgrover1 180:afcd2f9c2ada 149 txPowerLevelsChar(txPowerLevelsCharUUID,
rgrover1 180:afcd2f9c2ada 150 reinterpret_cast<uint8_t *>(powerLevels),
rgrover1 180:afcd2f9c2ada 151 NUM_POWER_MODES * sizeof(int8_t),
rgrover1 180:afcd2f9c2ada 152 NUM_POWER_MODES * sizeof(int8_t),
rgrover1 180:afcd2f9c2ada 153 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE),
rgrover1 180:afcd2f9c2ada 154 beaconPeriodChar(beaconPeriodCharUUID, reinterpret_cast<uint8_t *>(&beaconPeriod), 2, 2,
rgrover1 180:afcd2f9c2ada 155 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE)
rgrover1 180:afcd2f9c2ada 156 {
rgrover1 188:9020a5ac80c8 157 strncpy(reinterpret_cast<char *>(uriData), uriDataIn, MAX_SIZE_URI_DATA_CHAR_VALUE);
rgrover1 180:afcd2f9c2ada 158
rgrover1 184:ec211f2288ef 159 configure();
rgrover1 188:9020a5ac80c8 160 if (!failedToAccomodate) {
rgrover1 188:9020a5ac80c8 161 /* Preserve the originals to be able to reset() upon request. */
rgrover1 188:9020a5ac80c8 162 // memcpy(service.originalURIData, urlDataIn, MAX_SIZE_URI_DATA_CHAR_VALUE);
rgrover1 188:9020a5ac80c8 163 // service.originalFlags = flagsIn;
rgrover1 188:9020a5ac80c8 164 // service.originalEffectiveTxPower = effectiveTxPowerIn;
rgrover1 188:9020a5ac80c8 165 // service.originalBeaconPeriod = beaconPeriodIn;
rgrover1 188:9020a5ac80c8 166 }
rgrover1 180:afcd2f9c2ada 167
rgrover1 180:afcd2f9c2ada 168 GattCharacteristic *charTable[] = {&lockedStateChar, &uriDataChar, &flagsChar, &txPowerLevelsChar, &beaconPeriodChar};
rgrover1 180:afcd2f9c2ada 169 GattService beaconControlService(URIBeacon2ControlServiceUUID, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
rgrover1 180:afcd2f9c2ada 170
rgrover1 180:afcd2f9c2ada 171 ble.addService(beaconControlService);
rgrover1 180:afcd2f9c2ada 172 ble.onDataWritten(this, &URIBeacon2Service::onDataWritten);
rgrover1 180:afcd2f9c2ada 173 }
rgrover1 180:afcd2f9c2ada 174
rgrover1 186:ce34008cea95 175 /**
rgrover1 186:ce34008cea95 176 * Setup the advertisement payload and GAP settings.
rgrover1 186:ce34008cea95 177 */
rgrover1 184:ec211f2288ef 178 void configure(void) {
rgrover1 171:6092e61690dc 179 const uint8_t BEACON_UUID[] = {0xD8, 0xFE};
rgrover1 171:6092e61690dc 180
rgrover1 171:6092e61690dc 181 payloadIndex = 0;
rgrover1 171:6092e61690dc 182 serviceDataPayload[payloadIndex++] = BEACON_UUID[0];
rgrover1 171:6092e61690dc 183 serviceDataPayload[payloadIndex++] = BEACON_UUID[1];
rgrover1 171:6092e61690dc 184 serviceDataPayload[payloadIndex++] = flags;
rgrover1 174:5ae7781362b6 185 serviceDataPayload[payloadIndex++] = effectivePower;
rgrover1 171:6092e61690dc 186
rgrover1 187:057c547facd2 187 const char *urlData = reinterpret_cast<char *>(uriData);
rgrover1 171:6092e61690dc 188 size_t sizeofURLData = uriDataLength;
rgrover1 183:41d6ffadba96 189 size_t encodedBytes = encodeURISchemePrefix(urlData, sizeofURLData) + encodeURI(urlData, sizeofURLData);
rgrover1 171:6092e61690dc 190
rgrover1 171:6092e61690dc 191 ble.clearAdvertisingPayload();
rgrover1 171:6092e61690dc 192 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, BEACON_UUID, sizeof(BEACON_UUID));
rgrover1 171:6092e61690dc 193 ble.accumulateAdvertisingPayload(GapAdvertisingData::SERVICE_DATA, serviceDataPayload, encodedBytes + 4);
rgrover1 171:6092e61690dc 194
rgrover1 171:6092e61690dc 195 ble.setAdvertisingInterval(beaconPeriod);
rgrover1 174:5ae7781362b6 196 ble.setTxPower(effectivePower);
rgrover1 171:6092e61690dc 197 }
rgrover1 171:6092e61690dc 198
rgrover1 171:6092e61690dc 199 size_t encodeURISchemePrefix(const char *&urldata, size_t &sizeofURLData) {
rgrover1 171:6092e61690dc 200 const char *prefixes[] = {
rgrover1 171:6092e61690dc 201 "http://www.",
rgrover1 171:6092e61690dc 202 "https://www.",
rgrover1 171:6092e61690dc 203 "http://",
rgrover1 171:6092e61690dc 204 "https://",
rgrover1 171:6092e61690dc 205 "urn:uuid:"
rgrover1 171:6092e61690dc 206 };
rgrover1 171:6092e61690dc 207
rgrover1 171:6092e61690dc 208 size_t encodedBytes = 0;
rgrover1 171:6092e61690dc 209 const size_t NUM_PREFIXES = sizeof(prefixes) / sizeof(char *);
rgrover1 171:6092e61690dc 210 for (unsigned i = 0; i < NUM_PREFIXES; i++) {
rgrover1 171:6092e61690dc 211 size_t prefixLen = strlen(prefixes[i]);
rgrover1 171:6092e61690dc 212 if (strncmp(urldata, prefixes[i], prefixLen) == 0) {
rgrover1 171:6092e61690dc 213 serviceDataPayload[payloadIndex++] = i;
rgrover1 171:6092e61690dc 214 encodedBytes = 1;
rgrover1 171:6092e61690dc 215
rgrover1 171:6092e61690dc 216 urldata += prefixLen;
rgrover1 171:6092e61690dc 217 sizeofURLData -= prefixLen;
rgrover1 171:6092e61690dc 218 break;
rgrover1 171:6092e61690dc 219 }
rgrover1 171:6092e61690dc 220 }
rgrover1 171:6092e61690dc 221
rgrover1 171:6092e61690dc 222 return encodedBytes;
rgrover1 171:6092e61690dc 223 }
rgrover1 171:6092e61690dc 224
rgrover1 171:6092e61690dc 225 size_t encodeURI(const char *urldata, size_t sizeofURLData) {
rgrover1 171:6092e61690dc 226 const char *suffixes[] = {
rgrover1 171:6092e61690dc 227 ".com/",
rgrover1 171:6092e61690dc 228 ".org/",
rgrover1 171:6092e61690dc 229 ".edu/",
rgrover1 171:6092e61690dc 230 ".net/",
rgrover1 171:6092e61690dc 231 ".info/",
rgrover1 171:6092e61690dc 232 ".biz/",
rgrover1 171:6092e61690dc 233 ".gov/",
rgrover1 171:6092e61690dc 234 ".com",
rgrover1 171:6092e61690dc 235 ".org",
rgrover1 171:6092e61690dc 236 ".edu",
rgrover1 171:6092e61690dc 237 ".net",
rgrover1 171:6092e61690dc 238 ".info",
rgrover1 171:6092e61690dc 239 ".biz",
rgrover1 171:6092e61690dc 240 ".gov"
rgrover1 171:6092e61690dc 241 };
rgrover1 171:6092e61690dc 242 const size_t NUM_SUFFIXES = sizeof(suffixes) / sizeof(char *);
rgrover1 171:6092e61690dc 243
rgrover1 171:6092e61690dc 244 size_t encodedBytes = 0;
rgrover1 171:6092e61690dc 245 while (sizeofURLData && (payloadIndex < MAX_SIZEOF_SERVICE_DATA_PAYLOAD)) {
rgrover1 171:6092e61690dc 246 /* check for suffix match */
rgrover1 171:6092e61690dc 247 unsigned i;
rgrover1 171:6092e61690dc 248 for (i = 0; i < NUM_SUFFIXES; i++) {
rgrover1 171:6092e61690dc 249 size_t suffixLen = strlen(suffixes[i]);
rgrover1 171:6092e61690dc 250 if ((suffixLen == 0) || (sizeofURLData < suffixLen)) {
rgrover1 171:6092e61690dc 251 continue;
rgrover1 171:6092e61690dc 252 }
rgrover1 171:6092e61690dc 253
rgrover1 171:6092e61690dc 254 if (strncmp(urldata, suffixes[i], suffixLen) == 0) {
rgrover1 171:6092e61690dc 255 serviceDataPayload[payloadIndex++] = i;
rgrover1 171:6092e61690dc 256 ++encodedBytes;
rgrover1 171:6092e61690dc 257 urldata += suffixLen;
rgrover1 171:6092e61690dc 258 sizeofURLData -= suffixLen;
rgrover1 171:6092e61690dc 259 break; /* from the for loop for checking against suffixes */
rgrover1 171:6092e61690dc 260 }
rgrover1 171:6092e61690dc 261 }
rgrover1 171:6092e61690dc 262 /* This is the default case where we've got an ordinary character which doesn't match a suffix. */
rgrover1 171:6092e61690dc 263 if (i == NUM_SUFFIXES) {
rgrover1 171:6092e61690dc 264 serviceDataPayload[payloadIndex++] = *urldata;
rgrover1 171:6092e61690dc 265 ++encodedBytes;
rgrover1 171:6092e61690dc 266 ++urldata;
rgrover1 171:6092e61690dc 267 --sizeofURLData;
rgrover1 171:6092e61690dc 268 }
rgrover1 171:6092e61690dc 269 }
rgrover1 182:d16f8c11816b 270 if ((payloadIndex == MAX_SIZEOF_SERVICE_DATA_PAYLOAD) && (sizeofURLData != 0)) {
rgrover1 182:d16f8c11816b 271 failedToAccomodate = true;
rgrover1 182:d16f8c11816b 272 }
rgrover1 171:6092e61690dc 273
rgrover1 171:6092e61690dc 274 return encodedBytes;
rgrover1 171:6092e61690dc 275 }
rgrover1 171:6092e61690dc 276
rgrover1 185:7cd70497aec8 277 /**
rgrover1 185:7cd70497aec8 278 * This callback allows the DFU service to receive the initial trigger to
rgrover1 185:7cd70497aec8 279 * handover control to the bootloader; but first the application is given a
rgrover1 185:7cd70497aec8 280 * chance to clean up.
rgrover1 185:7cd70497aec8 281 */
rgrover1 185:7cd70497aec8 282 virtual void onDataWritten(const GattCharacteristicWriteCBParams *params) {
rgrover1 185:7cd70497aec8 283 if (params->charHandle == uriDataChar.getValueAttribute().getHandle()) {
rgrover1 185:7cd70497aec8 284 if (lockedState) { /* When locked, the device isn't allowed to update the uriData characteristic. */
rgrover1 185:7cd70497aec8 285 /* Restore GATT database with previous value. */
rgrover1 187:057c547facd2 286 ble.updateCharacteristicValue(uriDataChar.getValueAttribute().getHandle(), uriData, uriDataLength);
rgrover1 185:7cd70497aec8 287 return;
rgrover1 185:7cd70497aec8 288 }
rgrover1 185:7cd70497aec8 289
rgrover1 185:7cd70497aec8 290 /* We don't handle very large writes at the moment. */
rgrover1 185:7cd70497aec8 291 if ((params->offset != 0) || (params->len > MAX_SIZE_URI_DATA_CHAR_VALUE)) {
rgrover1 185:7cd70497aec8 292 return;
rgrover1 185:7cd70497aec8 293 }
rgrover1 185:7cd70497aec8 294
rgrover1 185:7cd70497aec8 295 uriDataLength = params->len;
rgrover1 187:057c547facd2 296 memcpy(uriData, params->data, uriDataLength);
rgrover1 185:7cd70497aec8 297 } else if (params->charHandle == flagsChar.getValueAttribute().getHandle()) {
rgrover1 185:7cd70497aec8 298 if (lockedState) { /* When locked, the device isn't allowed to update the characteristic. */
rgrover1 185:7cd70497aec8 299 /* Restore GATT database with previous value. */
rgrover1 185:7cd70497aec8 300 ble.updateCharacteristicValue(flagsChar.getValueAttribute().getHandle(), &flags, 1 /* size */);
rgrover1 185:7cd70497aec8 301 return;
rgrover1 185:7cd70497aec8 302 } else {
rgrover1 185:7cd70497aec8 303 flags = *(params->data);
rgrover1 185:7cd70497aec8 304 }
rgrover1 185:7cd70497aec8 305 } else if (params->charHandle == txPowerLevelsChar.getValueAttribute().getHandle()) {
rgrover1 185:7cd70497aec8 306 if (lockedState) { /* When locked, the device isn't allowed to update the characteristic. */
rgrover1 185:7cd70497aec8 307 /* Restore GATT database with previous value. */
rgrover1 185:7cd70497aec8 308 ble.updateCharacteristicValue(txPowerLevelsChar.getValueAttribute().getHandle(), reinterpret_cast<uint8_t *>(powerLevels), NUM_POWER_MODES * sizeof(int8_t));
rgrover1 185:7cd70497aec8 309 return;
rgrover1 185:7cd70497aec8 310 } else {
rgrover1 185:7cd70497aec8 311 memcpy(powerLevels, params->data, NUM_POWER_MODES * sizeof(int8_t));
rgrover1 185:7cd70497aec8 312 }
rgrover1 185:7cd70497aec8 313 } else if (params->charHandle == beaconPeriodChar.getValueAttribute().getHandle()) {
rgrover1 185:7cd70497aec8 314 if (lockedState) { /* When locked, the device isn't allowed to update the characteristic. */
rgrover1 185:7cd70497aec8 315 /* Restore GATT database with previous value. */
rgrover1 185:7cd70497aec8 316 ble.updateCharacteristicValue(beaconPeriodChar.getValueAttribute().getHandle(), (uint8_t *)&beaconPeriod, 2 /* size */);
rgrover1 185:7cd70497aec8 317 return;
rgrover1 185:7cd70497aec8 318 } else {
rgrover1 185:7cd70497aec8 319 beaconPeriod = *((uint16_t *)(params->data));
rgrover1 185:7cd70497aec8 320 }
rgrover1 185:7cd70497aec8 321 }
rgrover1 185:7cd70497aec8 322 configure();
rgrover1 185:7cd70497aec8 323 ble.setAdvertisingPayload();
rgrover1 185:7cd70497aec8 324 }
rgrover1 185:7cd70497aec8 325
rgrover1 185:7cd70497aec8 326 private:
rgrover1 185:7cd70497aec8 327 /**
rgrover1 185:7cd70497aec8 328 * For debugging only.
rgrover1 185:7cd70497aec8 329 */
rgrover1 185:7cd70497aec8 330 void dumpEncodedSeviceData() const {
rgrover1 185:7cd70497aec8 331 printf("encoded: '");
rgrover1 185:7cd70497aec8 332 for (unsigned i = 0; i < payloadIndex; i++) {
rgrover1 185:7cd70497aec8 333 printf(" %02x", serviceDataPayload[i]);
rgrover1 185:7cd70497aec8 334 }
rgrover1 185:7cd70497aec8 335 printf("'\r\n");
rgrover1 185:7cd70497aec8 336 }
rgrover1 185:7cd70497aec8 337
rgrover1 171:6092e61690dc 338 private:
rgrover1 171:6092e61690dc 339 static const size_t MAX_SIZEOF_SERVICE_DATA_PAYLOAD = 27;
rgrover1 171:6092e61690dc 340 static const size_t MAX_SIZE_URI_DATA_CHAR_VALUE = 48;
rgrover1 171:6092e61690dc 341
rgrover1 171:6092e61690dc 342 private:
rgrover1 171:6092e61690dc 343 BLEDevice &ble;
rgrover1 171:6092e61690dc 344
rgrover1 171:6092e61690dc 345 size_t payloadIndex;
rgrover1 171:6092e61690dc 346 uint8_t serviceDataPayload[MAX_SIZEOF_SERVICE_DATA_PAYLOAD];
rgrover1 182:d16f8c11816b 347 bool failedToAccomodate;
rgrover1 182:d16f8c11816b 348
rgrover1 171:6092e61690dc 349 bool lockedState;
rgrover1 171:6092e61690dc 350 uint16_t uriDataLength;
rgrover1 187:057c547facd2 351 uint8_t uriData[MAX_SIZE_URI_DATA_CHAR_VALUE];
rgrover1 171:6092e61690dc 352 uint8_t flags;
rgrover1 174:5ae7781362b6 353 int8_t effectivePower;
rgrover1 177:17f4b5924fe9 354 int8_t powerLevels[NUM_POWER_MODES];
rgrover1 171:6092e61690dc 355 uint16_t beaconPeriod;
rgrover1 171:6092e61690dc 356
rgrover1 188:9020a5ac80c8 357 uint8_t originalURIData[MAX_SIZE_URI_DATA_CHAR_VALUE];
rgrover1 188:9020a5ac80c8 358 uint8_t originalFlags;
rgrover1 188:9020a5ac80c8 359 int8_t originalEffectivePower;
rgrover1 188:9020a5ac80c8 360
rgrover1 171:6092e61690dc 361 GattCharacteristic lockedStateChar;
rgrover1 171:6092e61690dc 362 GattCharacteristic uriDataChar;
rgrover1 171:6092e61690dc 363 GattCharacteristic flagsChar;
rgrover1 178:b6d6a2a11e86 364 GattCharacteristic txPowerLevelsChar;
rgrover1 171:6092e61690dc 365 GattCharacteristic beaconPeriodChar;
rgrover1 171:6092e61690dc 366 };
rgrover1 171:6092e61690dc 367
rgrover1 171:6092e61690dc 368 #endif /* #ifndef __BLE_URI_BEACON_2_SERVICE_H__*/