Kenji Arai / Mbed 2 deprecated BLE_EddystoneBeacon_w_ACC_TY51822

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Dependencies:   BLE_API LIS3DH mbed nRF51822 BMC050 nRF51_LowPwr nRF51_Vdd

Fork of BLE_EddystoneBeacon_Service by Bluetooth Low Energy

ZipBeaconConfigService.h@10:b5d19bcf23cf, 2015-07-17 (annotated)

Committer:
mbedAustin
Date:
Fri Jul 17 19:02:54 2015 +0000
Revision:
10:b5d19bcf23cf
Parent:
7:e9800c45e065
Child:
11:73ea4ef7f5a4
added private variables and set functions for 3 types of beacon frames.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:c04d932e96c9 1 /* mbed Microcontroller Library
screamer 0:c04d932e96c9 2 * Copyright (c) 2006-2013 ARM Limited
screamer 0:c04d932e96c9 3 *
screamer 0:c04d932e96c9 4 * Licensed under the Apache License, Version 2.0 (the "License");
screamer 0:c04d932e96c9 5 * you may not use this file except in compliance with the License.
screamer 0:c04d932e96c9 6 * You may obtain a copy of the License at
screamer 0:c04d932e96c9 7 *
screamer 0:c04d932e96c9 8 * http://www.apache.org/licenses/LICENSE-2.0
screamer 0:c04d932e96c9 9 *
screamer 0:c04d932e96c9 10 * Unless required by applicable law or agreed to in writing, software
screamer 0:c04d932e96c9 11 * distributed under the License is distributed on an "AS IS" BASIS,
screamer 0:c04d932e96c9 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
screamer 0:c04d932e96c9 13 * See the License for the specific language governing permissions and
screamer 0:c04d932e96c9 14 * limitations under the License.
screamer 0:c04d932e96c9 15 */
screamer 0:c04d932e96c9 16
screamer 0:c04d932e96c9 17 #ifndef SERVICES_ZIPBEACONCONFIGSERVICE_H_
screamer 0:c04d932e96c9 18 #define SERVICES_ZIPBEACONCONFIGSERVICE_H_
screamer 0:c04d932e96c9 19
rgrover1 7:e9800c45e065 20 #include "BLE.h"
screamer 0:c04d932e96c9 21 #include "mbed.h"
screamer 0:c04d932e96c9 22
screamer 0:c04d932e96c9 23 #define UUID_URI_BEACON(FIRST, SECOND) { \
screamer 0:c04d932e96c9 24 0xee, 0x0c, FIRST, SECOND, 0x87, 0x86, 0x40, 0xba, \
screamer 0:c04d932e96c9 25 0xab, 0x96, 0x99, 0xb9, 0x1a, 0xc9, 0x81, 0xd8, \
screamer 0:c04d932e96c9 26 }
screamer 0:c04d932e96c9 27
screamer 0:c04d932e96c9 28 static const uint8_t UUID_URI_BEACON_SERVICE[] = UUID_URI_BEACON(0x20, 0x80);
screamer 0:c04d932e96c9 29 static const uint8_t UUID_LOCK_STATE_CHAR[] = UUID_URI_BEACON(0x20, 0x81);
screamer 0:c04d932e96c9 30 static const uint8_t UUID_LOCK_CHAR[] = UUID_URI_BEACON(0x20, 0x82);
screamer 0:c04d932e96c9 31 static const uint8_t UUID_UNLOCK_CHAR[] = UUID_URI_BEACON(0x20, 0x83);
screamer 0:c04d932e96c9 32 static const uint8_t UUID_URI_DATA_CHAR[] = UUID_URI_BEACON(0x20, 0x84);
screamer 0:c04d932e96c9 33 static const uint8_t UUID_FLAGS_CHAR[] = UUID_URI_BEACON(0x20, 0x85);
screamer 0:c04d932e96c9 34 static const uint8_t UUID_ADV_POWER_LEVELS_CHAR[] = UUID_URI_BEACON(0x20, 0x86);
screamer 0:c04d932e96c9 35 static const uint8_t UUID_TX_POWER_MODE_CHAR[] = UUID_URI_BEACON(0x20, 0x87);
screamer 0:c04d932e96c9 36 static const uint8_t UUID_BEACON_PERIOD_CHAR[] = UUID_URI_BEACON(0x20, 0x88);
screamer 0:c04d932e96c9 37 static const uint8_t UUID_RESET_CHAR[] = UUID_URI_BEACON(0x20, 0x89);
screamer 0:c04d932e96c9 38 static const uint8_t BEACON_UUID[] = {0xAA, 0xFE};
screamer 0:c04d932e96c9 39
screamer 0:c04d932e96c9 40 /**
screamer 0:c04d932e96c9 41 * @class ZipBeaconConfigService
screamer 0:c04d932e96c9 42 * @brief ZipBeacon Configuration Service. Can be used to set URL, adjust power levels, and set flags.
screamer 0:c04d932e96c9 43 * See http://uribeacon.org
screamer 0:c04d932e96c9 44 *
screamer 0:c04d932e96c9 45 */
screamer 0:c04d932e96c9 46 class ZipBeaconConfigService {
screamer 0:c04d932e96c9 47 public:
screamer 0:c04d932e96c9 48 /**
screamer 0:c04d932e96c9 49 * @brief Transmission Power Modes for UriBeacon
screamer 0:c04d932e96c9 50 */
screamer 0:c04d932e96c9 51 static const uint8_t TX_POWER_MODE_LOWEST = 0; /*!< Lowest TX power mode */
screamer 0:c04d932e96c9 52 static const uint8_t TX_POWER_MODE_LOW = 1; /*!< Low TX power mode */
screamer 0:c04d932e96c9 53 static const uint8_t TX_POWER_MODE_MEDIUM = 2; /*!< Medium TX power mode */
screamer 0:c04d932e96c9 54 static const uint8_t TX_POWER_MODE_HIGH = 3; /*!< High TX power mode */
screamer 0:c04d932e96c9 55 static const unsigned int NUM_POWER_MODES = 4; /*!< Number of Power Modes defined */
screamer 0:c04d932e96c9 56
screamer 0:c04d932e96c9 57 static const int ADVERTISING_INTERVAL_MSEC = 1000; // Advertising interval for config service.
screamer 0:c04d932e96c9 58 static const int SERVICE_DATA_MAX = 31; // Maximum size of service data in ADV packets
screamer 0:c04d932e96c9 59
screamer 0:c04d932e96c9 60 typedef uint8_t Lock_t[16]; /* 128 bits */
screamer 0:c04d932e96c9 61 typedef int8_t PowerLevels_t[NUM_POWER_MODES];
screamer 0:c04d932e96c9 62
screamer 0:c04d932e96c9 63 static const int URI_DATA_MAX = 18;
screamer 0:c04d932e96c9 64 typedef uint8_t UriData_t[URI_DATA_MAX];
mbedAustin 10:b5d19bcf23cf 65
mbedAustin 10:b5d19bcf23cf 66 static const int UID_NAMESPACEID_SIZE = 10;
mbedAustin 10:b5d19bcf23cf 67 typedef uint8_t UIDNamespaceID_t[UUID_NAMESPACEID_SIZE];
mbedAustin 10:b5d19bcf23cf 68
mbedAustin 10:b5d19bcf23cf 69 static const int UID_INSTANCEID_SIZE = 6;
mbedAustin 10:b5d19bcf23cf 70 typedef uint8_t UIDInstanceID_t[UUID_INSTANCEID_SIZE];
screamer 0:c04d932e96c9 71
screamer 0:c04d932e96c9 72 static const uint8_t FRAME_TYPE_UID = 0x00;
screamer 0:c04d932e96c9 73 static const uint8_t FRAME_TYPE_URL = 0x10;
screamer 0:c04d932e96c9 74 static const uint8_t FRAME_TYPE_TLM = 0x20;
screamer 0:c04d932e96c9 75
screamer 0:c04d932e96c9 76 struct Params_t {
screamer 0:c04d932e96c9 77 Lock_t lock;
screamer 0:c04d932e96c9 78 uint8_t uriDataLength;
screamer 0:c04d932e96c9 79 UriData_t uriData;
screamer 0:c04d932e96c9 80 uint8_t flags;
screamer 0:c04d932e96c9 81 PowerLevels_t advPowerLevels; // Current value of AdvertisedPowerLevels
screamer 0:c04d932e96c9 82 uint8_t txPowerMode; // Firmware power levels used with setTxPower()
screamer 0:c04d932e96c9 83 uint16_t beaconPeriod;
mbedAustin 10:b5d19bcf23cf 84 uint8_t tlmVersion; // version of TLM packet
mbedAustin 10:b5d19bcf23cf 85 UUIDNamespaceID_t uidNamespaceID; // UUID type, Namespace ID, 10B
mbedAustin 10:b5d19bcf23cf 86 UUIDInstanceID_t uidInstanceID; // UUID type, Instance ID, 6B
screamer 0:c04d932e96c9 87 };
screamer 0:c04d932e96c9 88
screamer 0:c04d932e96c9 89 /**
screamer 0:c04d932e96c9 90 * @param[ref] ble
screamer 0:c04d932e96c9 91 * BLEDevice object for the underlying controller.
screamer 0:c04d932e96c9 92 * @param[in/out] paramsIn
screamer 0:c04d932e96c9 93 * Reference to application-visible beacon state, loaded
screamer 0:c04d932e96c9 94 * from persistent storage at startup.
screamer 0:c04d932e96c9 95 * @paramsP[in] resetToDefaultsFlag
screamer 0:c04d932e96c9 96 * Applies to the state of the 'paramsIn' parameter.
screamer 0:c04d932e96c9 97 * If true, it indicates that paramsIn is potentially
screamer 0:c04d932e96c9 98 * un-initialized, and default values should be used
screamer 0:c04d932e96c9 99 * instead. Otherwise, paramsIn overrides the defaults.
screamer 0:c04d932e96c9 100 * @param[in] defaultUriDataIn
screamer 0:c04d932e96c9 101 * Default un-encoded URI; applies only if the resetToDefaultsFlag is true.
screamer 0:c04d932e96c9 102 * @param[in] defaultAdvPowerLevelsIn
screamer 0:c04d932e96c9 103 * Default power-levels array; applies only if the resetToDefaultsFlag is true.
screamer 0:c04d932e96c9 104 */
screamer 0:c04d932e96c9 105 ZipBeaconConfigService(BLEDevice &bleIn,
screamer 0:c04d932e96c9 106 Params_t &paramsIn,
screamer 0:c04d932e96c9 107 bool resetToDefaultsFlag,
screamer 0:c04d932e96c9 108 const char *defaultURIDataIn,
screamer 0:c04d932e96c9 109 PowerLevels_t &defaultAdvPowerLevelsIn) :
screamer 0:c04d932e96c9 110 ble(bleIn),
screamer 0:c04d932e96c9 111 params(paramsIn),
screamer 0:c04d932e96c9 112 defaultUriDataLength(),
screamer 0:c04d932e96c9 113 defaultUriData(),
screamer 0:c04d932e96c9 114 defaultAdvPowerLevels(defaultAdvPowerLevelsIn),
screamer 0:c04d932e96c9 115 initSucceeded(false),
screamer 0:c04d932e96c9 116 resetFlag(),
screamer 0:c04d932e96c9 117 lockedStateChar(UUID_LOCK_STATE_CHAR, &lockedState),
screamer 0:c04d932e96c9 118 lockChar(UUID_LOCK_CHAR, &params.lock),
screamer 0:c04d932e96c9 119 uriDataChar(UUID_URI_DATA_CHAR, params.uriData, 0, URI_DATA_MAX,
screamer 0:c04d932e96c9 120 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE),
screamer 0:c04d932e96c9 121 unlockChar(UUID_UNLOCK_CHAR, &params.lock),
screamer 0:c04d932e96c9 122 flagsChar(UUID_FLAGS_CHAR, &params.flags),
screamer 0:c04d932e96c9 123 advPowerLevelsChar(UUID_ADV_POWER_LEVELS_CHAR, &params.advPowerLevels),
screamer 0:c04d932e96c9 124 txPowerModeChar(UUID_TX_POWER_MODE_CHAR, &params.txPowerMode),
screamer 0:c04d932e96c9 125 beaconPeriodChar(UUID_BEACON_PERIOD_CHAR, &params.beaconPeriod),
screamer 0:c04d932e96c9 126 resetChar(UUID_RESET_CHAR, &resetFlag) {
screamer 0:c04d932e96c9 127
mbedAustin 10:b5d19bcf23cf 128 encodeURI(defaultURIDataIn, defaultUriData, defaultUriDataLength); // encode URL to URL Formatting
screamer 0:c04d932e96c9 129 if (defaultUriDataLength > URI_DATA_MAX) {
screamer 0:c04d932e96c9 130 return;
screamer 0:c04d932e96c9 131 }
screamer 0:c04d932e96c9 132
screamer 0:c04d932e96c9 133 if (!resetToDefaultsFlag && (params.uriDataLength > URI_DATA_MAX)) {
screamer 0:c04d932e96c9 134 resetToDefaultsFlag = true;
screamer 0:c04d932e96c9 135 }
screamer 0:c04d932e96c9 136 if (resetToDefaultsFlag) {
screamer 0:c04d932e96c9 137 resetToDefaults();
screamer 0:c04d932e96c9 138 } else {
screamer 0:c04d932e96c9 139 updateCharacteristicValues();
screamer 0:c04d932e96c9 140 }
screamer 0:c04d932e96c9 141
screamer 0:c04d932e96c9 142 lockedState = isLocked();
screamer 0:c04d932e96c9 143
screamer 0:c04d932e96c9 144 lockChar.setWriteAuthorizationCallback(this, &ZipBeaconConfigService::lockAuthorizationCallback);
screamer 0:c04d932e96c9 145 unlockChar.setWriteAuthorizationCallback(this, &ZipBeaconConfigService::unlockAuthorizationCallback);
screamer 0:c04d932e96c9 146 uriDataChar.setWriteAuthorizationCallback(this, &ZipBeaconConfigService::uriDataWriteAuthorizationCallback);
screamer 0:c04d932e96c9 147 flagsChar.setWriteAuthorizationCallback(this, &ZipBeaconConfigService::basicAuthorizationCallback<uint8_t>);
screamer 0:c04d932e96c9 148 advPowerLevelsChar.setWriteAuthorizationCallback(this, &ZipBeaconConfigService::basicAuthorizationCallback<PowerLevels_t>);
screamer 0:c04d932e96c9 149 txPowerModeChar.setWriteAuthorizationCallback(this, &ZipBeaconConfigService::powerModeAuthorizationCallback);
screamer 0:c04d932e96c9 150 beaconPeriodChar.setWriteAuthorizationCallback(this, &ZipBeaconConfigService::basicAuthorizationCallback<uint16_t>);
screamer 0:c04d932e96c9 151 resetChar.setWriteAuthorizationCallback(this, &ZipBeaconConfigService::basicAuthorizationCallback<uint8_t>);
screamer 0:c04d932e96c9 152
screamer 0:c04d932e96c9 153 static GattCharacteristic *charTable[] = {
screamer 0:c04d932e96c9 154 &lockedStateChar, &lockChar, &unlockChar, &uriDataChar,
screamer 0:c04d932e96c9 155 &flagsChar, &advPowerLevelsChar, &txPowerModeChar, &beaconPeriodChar, &resetChar
screamer 0:c04d932e96c9 156 };
screamer 0:c04d932e96c9 157
screamer 0:c04d932e96c9 158 GattService configService(UUID_URI_BEACON_SERVICE, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
screamer 0:c04d932e96c9 159
screamer 0:c04d932e96c9 160 ble.addService(configService);
screamer 0:c04d932e96c9 161 ble.onDataWritten(this, &ZipBeaconConfigService::onDataWrittenCallback);
screamer 0:c04d932e96c9 162
screamer 0:c04d932e96c9 163 setupZipBeaconConfigAdvertisements(); /* Setup advertising for the configService. */
screamer 0:c04d932e96c9 164
screamer 0:c04d932e96c9 165 initSucceeded = true;
screamer 0:c04d932e96c9 166 }
screamer 0:c04d932e96c9 167
screamer 0:c04d932e96c9 168 bool configuredSuccessfully(void) const {
screamer 0:c04d932e96c9 169 return initSucceeded;
screamer 0:c04d932e96c9 170 }
screamer 0:c04d932e96c9 171
screamer 0:c04d932e96c9 172 /* Start out by advertising the configService for a limited time after
screamer 0:c04d932e96c9 173 * startup; and switch to the normal non-connectible beacon functionality
screamer 0:c04d932e96c9 174 * afterwards. */
screamer 0:c04d932e96c9 175 void setupZipBeaconConfigAdvertisements()
screamer 0:c04d932e96c9 176 {
mbedAustin 10:b5d19bcf23cf 177 const char DEVICE_NAME[] = "eddystone Config";
screamer 0:c04d932e96c9 178
screamer 0:c04d932e96c9 179 ble.clearAdvertisingPayload();
screamer 0:c04d932e96c9 180
screamer 0:c04d932e96c9 181 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
screamer 0:c04d932e96c9 182
screamer 0:c04d932e96c9 183 // UUID is in different order in the ADV frame (!)
screamer 0:c04d932e96c9 184 uint8_t reversedServiceUUID[sizeof(UUID_URI_BEACON_SERVICE)];
screamer 0:c04d932e96c9 185 for (unsigned int i = 0; i < sizeof(UUID_URI_BEACON_SERVICE); i++) {
screamer 0:c04d932e96c9 186 reversedServiceUUID[i] = UUID_URI_BEACON_SERVICE[sizeof(UUID_URI_BEACON_SERVICE) - i - 1];
screamer 0:c04d932e96c9 187 }
screamer 0:c04d932e96c9 188 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS, reversedServiceUUID, sizeof(reversedServiceUUID));
screamer 0:c04d932e96c9 189 ble.accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_TAG);
screamer 0:c04d932e96c9 190 ble.accumulateScanResponse(GapAdvertisingData::COMPLETE_LOCAL_NAME, reinterpret_cast<const uint8_t *>(&DEVICE_NAME), sizeof(DEVICE_NAME));
screamer 0:c04d932e96c9 191 ble.accumulateScanResponse(
screamer 0:c04d932e96c9 192 GapAdvertisingData::TX_POWER_LEVEL,
screamer 0:c04d932e96c9 193 reinterpret_cast<uint8_t *>(&defaultAdvPowerLevels[ZipBeaconConfigService::TX_POWER_MODE_LOW]),
screamer 0:c04d932e96c9 194 sizeof(uint8_t));
screamer 0:c04d932e96c9 195
screamer 0:c04d932e96c9 196 ble.setTxPower(params.advPowerLevels[params.txPowerMode]);
screamer 0:c04d932e96c9 197 ble.setDeviceName(reinterpret_cast<const uint8_t *>(&DEVICE_NAME));
screamer 0:c04d932e96c9 198 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
screamer 0:c04d932e96c9 199 ble.setAdvertisingInterval(Gap::MSEC_TO_ADVERTISEMENT_DURATION_UNITS(ADVERTISING_INTERVAL_MSEC));
screamer 0:c04d932e96c9 200 }
mbedAustin 10:b5d19bcf23cf 201
mbedAustin 10:b5d19bcf23cf 202 /*
mbedAustin 10:b5d19bcf23cf 203 * Set Eddystone UID Frame information.
mbedAustin 10:b5d19bcf23cf 204 * @param[in] power TX Power in dB measured at 0 meters from the device. Range of -100 to +20 dB.
mbedAustin 10:b5d19bcf23cf 205 * @param namespaceID 10B namespace ID
mbedAustin 10:b5d19bcf23cf 206 * @param instanceID 6B instance ID
mbedAustin 10:b5d19bcf23cf 207 * @param RFU 2B of RFU, initialized to 0x0000 and not broadcast, included for future reference.
mbedAustin 10:b5d19bcf23cf 208 *
mbedAustin 10:b5d19bcf23cf 209 */
mbedAustin 10:b5d19bcf23cf 210 void setUIDFrameData(int8_t power, UIDNamespaceID_t namespaceID, UIDInstanceID_t instanceID, uint8_t RFU[2] = [0x00,0x00])
mbedAustin 10:b5d19bcf23cf 211 {
mbedAustin 10:b5d19bcf23cf 212 defaultUidNamespaceID = namespaceID;
mbedAustin 10:b5d19bcf23cf 213 defaultUidInstanceID = instanceID;
mbedAustin 10:b5d19bcf23cf 214 uidRFU = (uint16_t)RFU;
mbedAustin 10:b5d19bcf23cf 215 return;
mbedAustin 10:b5d19bcf23cf 216 }
mbedAustin 10:b5d19bcf23cf 217
mbedAustin 10:b5d19bcf23cf 218 /*
mbedAustin 10:b5d19bcf23cf 219 * Set Eddystone URL Frame information.
mbedAustin 10:b5d19bcf23cf 220 * @param[in] power TX Power in dB measured at 0 meters from the device.
mbedAustin 10:b5d19bcf23cf 221 * @param url URL to encode
mbedAustin 10:b5d19bcf23cf 222 * @return false on success, true on failure.
mbedAustin 10:b5d19bcf23cf 223 */
mbedAustin 10:b5d19bcf23cf 224 bool setURLFrameData(int8_t power, const char * url)
mbedAustin 10:b5d19bcf23cf 225 {
mbedAustin 10:b5d19bcf23cf 226 encodeURI(defaultURIDataIn, defaultUriData, defaultUriDataLength); // encode URL to URL Formatting
mbedAustin 10:b5d19bcf23cf 227 if (defaultUriDataLength > URI_DATA_MAX) {
mbedAustin 10:b5d19bcf23cf 228 return true; // error, URL is too big
mbedAustin 10:b5d19bcf23cf 229 }
mbedAustin 10:b5d19bcf23cf 230
mbedAustin 10:b5d19bcf23cf 231 }
mbedAustin 10:b5d19bcf23cf 232
mbedAustin 10:b5d19bcf23cf 233 /*
mbedAustin 10:b5d19bcf23cf 234 * Set Eddystone TLM Frame information.
mbedAustin 10:b5d19bcf23cf 235 * @param[in] Version of the TLM beacon data format
mbedAustin 10:b5d19bcf23cf 236 * @param batteryVoltage in milivolts
mbedAustin 10:b5d19bcf23cf 237 * @param beaconTemp in 8.8 floating point notation
mbedAustin 10:b5d19bcf23cf 238 *
mbedAustin 10:b5d19bcf23cf 239 */
mbedAustin 10:b5d19bcf23cf 240 void setTLMFrameData(uint8_t version, uint16_t batteryVoltage, uint16_t beaconTemp, uint32_t pduCount = 0, uint32_t timeSinceBoot = 0)
mbedAustin 10:b5d19bcf23cf 241 {
mbedAustin 10:b5d19bcf23cf 242 TlmVersion = version;
mbedAustin 10:b5d19bcf23cf 243 TlmBatteryVoltage = batteryVoltage;
mbedAustin 10:b5d19bcf23cf 244 TlmBeaconTemp = beaconTemp;
mbedAustin 10:b5d19bcf23cf 245 TlmPduCount = pduCount; // reset
mbedAustin 10:b5d19bcf23cf 246 TlmTimeSinceBoot = timeSinceBoot; // reset
mbedAustin 10:b5d19bcf23cf 247 return;
mbedAustin 10:b5d19bcf23cf 248 }
screamer 0:c04d932e96c9 249
screamer 0:c04d932e96c9 250 /* Helper function to switch to the non-connectible normal mode for ZipBeacon. This gets called after a timeout. */
screamer 0:c04d932e96c9 251 void setupZipBeaconAdvertisements()
screamer 0:c04d932e96c9 252 {
screamer 0:c04d932e96c9 253 uint8_t serviceData[SERVICE_DATA_MAX];
screamer 0:c04d932e96c9 254 unsigned serviceDataLen = 0;
screamer 0:c04d932e96c9 255
screamer 0:c04d932e96c9 256 /* Reinitialize the BLE stack. This will clear away the existing services and advertising state. */
screamer 0:c04d932e96c9 257 ble.shutdown();
screamer 0:c04d932e96c9 258 ble.init();
screamer 0:c04d932e96c9 259
screamer 0:c04d932e96c9 260 // Fields from the Service
screamer 0:c04d932e96c9 261 unsigned beaconPeriod = params.beaconPeriod;
screamer 0:c04d932e96c9 262 unsigned txPowerMode = params.txPowerMode;
screamer 0:c04d932e96c9 263 unsigned uriDataLength = params.uriDataLength;
screamer 0:c04d932e96c9 264 ZipBeaconConfigService::UriData_t &uriData = params.uriData;
screamer 0:c04d932e96c9 265 ZipBeaconConfigService::PowerLevels_t &advPowerLevels = params.advPowerLevels;
screamer 0:c04d932e96c9 266 uint8_t flags = params.flags;
screamer 0:c04d932e96c9 267
rgrover1 6:e90c398b03e0 268 extern void saveURIBeaconConfigParams(const Params_t *paramsP); /* forward declaration; necessary to avoid a circular dependency. */
rgrover1 6:e90c398b03e0 269 saveURIBeaconConfigParams(&params);
rgrover1 6:e90c398b03e0 270
screamer 0:c04d932e96c9 271 ble.clearAdvertisingPayload();
screamer 0:c04d932e96c9 272 ble.setTxPower(params.advPowerLevels[params.txPowerMode]);
screamer 0:c04d932e96c9 273 ble.setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED);
screamer 0:c04d932e96c9 274 ble.setAdvertisingInterval(beaconPeriod);
screamer 0:c04d932e96c9 275 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
screamer 0:c04d932e96c9 276 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, BEACON_UUID, sizeof(BEACON_UUID));
screamer 0:c04d932e96c9 277
screamer 0:c04d932e96c9 278 serviceData[serviceDataLen++] = BEACON_UUID[0];
screamer 0:c04d932e96c9 279 serviceData[serviceDataLen++] = BEACON_UUID[1];
screamer 0:c04d932e96c9 280 serviceData[serviceDataLen++] = FRAME_TYPE_URL | flags;
screamer 0:c04d932e96c9 281 serviceData[serviceDataLen++] = advPowerLevels[txPowerMode];
screamer 0:c04d932e96c9 282 for (unsigned j = 0; j < uriDataLength; j++) {
screamer 0:c04d932e96c9 283 serviceData[serviceDataLen++] = uriData[j];
screamer 0:c04d932e96c9 284 }
screamer 0:c04d932e96c9 285 ble.accumulateAdvertisingPayload(GapAdvertisingData::SERVICE_DATA, serviceData, serviceDataLen);
screamer 0:c04d932e96c9 286 }
screamer 0:c04d932e96c9 287
screamer 0:c04d932e96c9 288 private:
screamer 0:c04d932e96c9 289 // True if the lock bits are non-zero
screamer 0:c04d932e96c9 290 bool isLocked() {
screamer 0:c04d932e96c9 291 Lock_t testLock;
screamer 0:c04d932e96c9 292 memset(testLock, 0, sizeof(Lock_t));
screamer 0:c04d932e96c9 293 return memcmp(params.lock, testLock, sizeof(Lock_t));
screamer 0:c04d932e96c9 294 }
screamer 0:c04d932e96c9 295
screamer 0:c04d932e96c9 296 /*
screamer 0:c04d932e96c9 297 * This callback is invoked when a GATT client attempts to modify any of the
screamer 0:c04d932e96c9 298 * characteristics of this service. Attempts to do so are also applied to
screamer 0:c04d932e96c9 299 * the internal state of this service object.
screamer 0:c04d932e96c9 300 */
rgrover1 7:e9800c45e065 301 void onDataWrittenCallback(const GattWriteCallbackParams *writeParams) {
rgrover1 7:e9800c45e065 302 uint16_t handle = writeParams->handle;
screamer 0:c04d932e96c9 303
screamer 0:c04d932e96c9 304 if (handle == lockChar.getValueHandle()) {
screamer 0:c04d932e96c9 305 // Validated earlier
screamer 0:c04d932e96c9 306 memcpy(params.lock, writeParams->data, sizeof(Lock_t));
screamer 0:c04d932e96c9 307 // use isLocked() in case bits are being set to all 0's
screamer 0:c04d932e96c9 308 lockedState = isLocked();
screamer 0:c04d932e96c9 309 } else if (handle == unlockChar.getValueHandle()) {
screamer 0:c04d932e96c9 310 // Validated earlier
screamer 0:c04d932e96c9 311 memset(params.lock, 0, sizeof(Lock_t));
screamer 0:c04d932e96c9 312 lockedState = false;
screamer 0:c04d932e96c9 313 } else if (handle == uriDataChar.getValueHandle()) {
screamer 0:c04d932e96c9 314 params.uriDataLength = writeParams->len;
screamer 0:c04d932e96c9 315 memcpy(params.uriData, writeParams->data, params.uriDataLength);
screamer 0:c04d932e96c9 316 } else if (handle == flagsChar.getValueHandle()) {
screamer 0:c04d932e96c9 317 params.flags = *(writeParams->data);
screamer 0:c04d932e96c9 318 } else if (handle == advPowerLevelsChar.getValueHandle()) {
screamer 0:c04d932e96c9 319 memcpy(params.advPowerLevels, writeParams->data, sizeof(PowerLevels_t));
screamer 0:c04d932e96c9 320 } else if (handle == txPowerModeChar.getValueHandle()) {
screamer 0:c04d932e96c9 321 params.txPowerMode = *(writeParams->data);
screamer 0:c04d932e96c9 322 } else if (handle == beaconPeriodChar.getValueHandle()) {
screamer 0:c04d932e96c9 323 params.beaconPeriod = *((uint16_t *)(writeParams->data));
rgrover1 4:4440953bde10 324
rgrover1 4:4440953bde10 325 /* Re-map beaconPeriod to within permissible bounds if necessary. */
rgrover1 4:4440953bde10 326 if (params.beaconPeriod != 0) {
rgrover1 4:4440953bde10 327 bool paramsUpdated = false;
rgrover1 4:4440953bde10 328 if (params.beaconPeriod < ble.getMinAdvertisingInterval()) {
rgrover1 4:4440953bde10 329 params.beaconPeriod = ble.getMinAdvertisingInterval();
rgrover1 4:4440953bde10 330 paramsUpdated = true;
rgrover1 4:4440953bde10 331 } else if (params.beaconPeriod > ble.getMaxAdvertisingInterval()) {
rgrover1 4:4440953bde10 332 params.beaconPeriod = ble.getMaxAdvertisingInterval();
rgrover1 4:4440953bde10 333 paramsUpdated = true;
rgrover1 4:4440953bde10 334 }
rgrover1 4:4440953bde10 335 if (paramsUpdated) {
rgrover1 4:4440953bde10 336 ble.updateCharacteristicValue(beaconPeriodChar.getValueHandle(), reinterpret_cast<uint8_t *>(&params.beaconPeriod), sizeof(uint16_t));
rgrover1 4:4440953bde10 337 }
rgrover1 4:4440953bde10 338 }
screamer 0:c04d932e96c9 339 } else if (handle == resetChar.getValueHandle()) {
screamer 0:c04d932e96c9 340 resetToDefaults();
screamer 0:c04d932e96c9 341 }
screamer 0:c04d932e96c9 342 }
screamer 0:c04d932e96c9 343
screamer 0:c04d932e96c9 344 /*
screamer 0:c04d932e96c9 345 * Reset the default values.
screamer 0:c04d932e96c9 346 */
screamer 0:c04d932e96c9 347 void resetToDefaults(void) {
screamer 0:c04d932e96c9 348 lockedState = false;
screamer 0:c04d932e96c9 349 memset(params.lock, 0, sizeof(Lock_t));
screamer 0:c04d932e96c9 350 memcpy(params.uriData, defaultUriData, URI_DATA_MAX);
screamer 0:c04d932e96c9 351 params.uriDataLength = defaultUriDataLength;
screamer 0:c04d932e96c9 352 params.flags = 0;
screamer 0:c04d932e96c9 353 memcpy(params.advPowerLevels, defaultAdvPowerLevels, sizeof(PowerLevels_t));
screamer 0:c04d932e96c9 354 params.txPowerMode = TX_POWER_MODE_LOW;
screamer 0:c04d932e96c9 355 params.beaconPeriod = 1000;
mbedAustin 10:b5d19bcf23cf 356 memcpy(params.uidNamespaceID, defaultUidNamespaceID, UID_NAMESPACEID_SIZE);
mbedAustin 10:b5d19bcf23cf 357 memcpy(params.uidInstanceID, defaultUidInstanceID, UID_INSTANCEID_SIZE);
screamer 0:c04d932e96c9 358 updateCharacteristicValues();
screamer 0:c04d932e96c9 359 }
screamer 0:c04d932e96c9 360
screamer 0:c04d932e96c9 361 /*
screamer 0:c04d932e96c9 362 * Internal helper function used to update the GATT database following any
screamer 0:c04d932e96c9 363 * change to the internal state of the service object.
screamer 0:c04d932e96c9 364 */
screamer 0:c04d932e96c9 365 void updateCharacteristicValues(void) {
screamer 0:c04d932e96c9 366 ble.updateCharacteristicValue(lockedStateChar.getValueHandle(), &lockedState, 1);
screamer 0:c04d932e96c9 367 ble.updateCharacteristicValue(uriDataChar.getValueHandle(), params.uriData, params.uriDataLength);
screamer 0:c04d932e96c9 368 ble.updateCharacteristicValue(flagsChar.getValueHandle(), &params.flags, 1);
screamer 0:c04d932e96c9 369 ble.updateCharacteristicValue(beaconPeriodChar.getValueHandle(),
screamer 0:c04d932e96c9 370 reinterpret_cast<uint8_t *>(&params.beaconPeriod), sizeof(uint16_t));
screamer 0:c04d932e96c9 371 ble.updateCharacteristicValue(txPowerModeChar.getValueHandle(), &params.txPowerMode, 1);
screamer 0:c04d932e96c9 372 ble.updateCharacteristicValue(advPowerLevelsChar.getValueHandle(),
screamer 0:c04d932e96c9 373 reinterpret_cast<uint8_t *>(params.advPowerLevels), sizeof(PowerLevels_t));
screamer 0:c04d932e96c9 374 }
screamer 0:c04d932e96c9 375
screamer 0:c04d932e96c9 376 private:
rgrover1 7:e9800c45e065 377 void lockAuthorizationCallback(GattWriteAuthCallbackParams *authParams) {
screamer 0:c04d932e96c9 378 if (lockedState) {
screamer 0:c04d932e96c9 379 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INSUF_AUTHORIZATION;
screamer 0:c04d932e96c9 380 } else if (authParams->len != sizeof(Lock_t)) {
screamer 0:c04d932e96c9 381 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_ATT_VAL_LENGTH;
screamer 0:c04d932e96c9 382 } else if (authParams->offset != 0) {
screamer 0:c04d932e96c9 383 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_OFFSET;
screamer 0:c04d932e96c9 384 } else {
screamer 0:c04d932e96c9 385 authParams->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS;
screamer 0:c04d932e96c9 386 }
screamer 0:c04d932e96c9 387 }
screamer 0:c04d932e96c9 388
screamer 0:c04d932e96c9 389
rgrover1 7:e9800c45e065 390 void unlockAuthorizationCallback(GattWriteAuthCallbackParams *authParams) {
screamer 0:c04d932e96c9 391 if (!lockedState) {
screamer 0:c04d932e96c9 392 authParams->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS;
screamer 0:c04d932e96c9 393 } else if (authParams->len != sizeof(Lock_t)) {
screamer 0:c04d932e96c9 394 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_ATT_VAL_LENGTH;
screamer 0:c04d932e96c9 395 } else if (authParams->offset != 0) {
screamer 0:c04d932e96c9 396 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_OFFSET;
screamer 0:c04d932e96c9 397 } else if (memcmp(authParams->data, params.lock, sizeof(Lock_t)) != 0) {
screamer 0:c04d932e96c9 398 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INSUF_AUTHORIZATION;
screamer 0:c04d932e96c9 399 } else {
screamer 0:c04d932e96c9 400 authParams->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS;
screamer 0:c04d932e96c9 401 }
screamer 0:c04d932e96c9 402 }
screamer 0:c04d932e96c9 403
rgrover1 7:e9800c45e065 404 void uriDataWriteAuthorizationCallback(GattWriteAuthCallbackParams *authParams) {
screamer 0:c04d932e96c9 405 if (lockedState) {
screamer 0:c04d932e96c9 406 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INSUF_AUTHORIZATION;
screamer 0:c04d932e96c9 407 } else if (authParams->offset != 0) {
screamer 0:c04d932e96c9 408 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_OFFSET;
screamer 0:c04d932e96c9 409 } else {
screamer 0:c04d932e96c9 410 authParams->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS;
screamer 0:c04d932e96c9 411 }
screamer 0:c04d932e96c9 412 }
screamer 0:c04d932e96c9 413
rgrover1 7:e9800c45e065 414 void powerModeAuthorizationCallback(GattWriteAuthCallbackParams *authParams) {
screamer 0:c04d932e96c9 415 if (lockedState) {
screamer 0:c04d932e96c9 416 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INSUF_AUTHORIZATION;
screamer 0:c04d932e96c9 417 } else if (authParams->len != sizeof(uint8_t)) {
screamer 0:c04d932e96c9 418 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_ATT_VAL_LENGTH;
screamer 0:c04d932e96c9 419 } else if (authParams->offset != 0) {
screamer 0:c04d932e96c9 420 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_OFFSET;
screamer 0:c04d932e96c9 421 } else if (*((uint8_t *)authParams->data) >= NUM_POWER_MODES) {
screamer 0:c04d932e96c9 422 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_WRITE_NOT_PERMITTED;
screamer 0:c04d932e96c9 423 } else {
screamer 0:c04d932e96c9 424 authParams->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS;
screamer 0:c04d932e96c9 425 }
screamer 0:c04d932e96c9 426 }
screamer 0:c04d932e96c9 427
screamer 0:c04d932e96c9 428 template <typename T>
rgrover1 7:e9800c45e065 429 void basicAuthorizationCallback(GattWriteAuthCallbackParams *authParams) {
screamer 0:c04d932e96c9 430 if (lockedState) {
screamer 0:c04d932e96c9 431 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INSUF_AUTHORIZATION;
screamer 0:c04d932e96c9 432 } else if (authParams->len != sizeof(T)) {
screamer 0:c04d932e96c9 433 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_ATT_VAL_LENGTH;
screamer 0:c04d932e96c9 434 } else if (authParams->offset != 0) {
screamer 0:c04d932e96c9 435 authParams->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_OFFSET;
screamer 0:c04d932e96c9 436 } else {
screamer 0:c04d932e96c9 437 authParams->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS;
screamer 0:c04d932e96c9 438 }
screamer 0:c04d932e96c9 439 }
screamer 0:c04d932e96c9 440
mbedAustin 10:b5d19bcf23cf 441 BLEDevice &ble;
mbedAustin 10:b5d19bcf23cf 442 Params_t &params;
mbedAustin 10:b5d19bcf23cf 443 // Default value that is restored on reset
mbedAustin 10:b5d19bcf23cf 444 size_t defaultUriDataLength;
mbedAustin 10:b5d19bcf23cf 445 UriData_t defaultUriData;
mbedAustin 10:b5d19bcf23cf 446 UIDNamespaceID_t defaultUidNamespaceID;
mbedAustin 10:b5d19bcf23cf 447 UIDInstanceID_t defaultUidInstanceID;
mbedAustin 10:b5d19bcf23cf 448 uint16_t uidRFU;
screamer 0:c04d932e96c9 449 // Default value that is restored on reset
mbedAustin 10:b5d19bcf23cf 450 PowerLevels_t &defaultAdvPowerLevels;
mbedAustin 10:b5d19bcf23cf 451 uint8_t lockedState;
mbedAustin 10:b5d19bcf23cf 452 bool initSucceeded;
mbedAustin 10:b5d19bcf23cf 453 uint8_t resetFlag;
mbedAustin 10:b5d19bcf23cf 454
mbedAustin 10:b5d19bcf23cf 455 // Private Variables for Telemetry Data
mbedAustin 10:b5d19bcf23cf 456 uint8_t TlmVersion;
mbedAustin 10:b5d19bcf23cf 457 uint16_t TlmBatteryVoltage;
mbedAustin 10:b5d19bcf23cf 458 uint16_t TlmBeaconTemp;
mbedAustin 10:b5d19bcf23cf 459 uint32_t TlmPduCount;
mbedAustin 10:b5d19bcf23cf 460 uint32_t TlmTimeSinceBoot;
screamer 0:c04d932e96c9 461
screamer 0:c04d932e96c9 462 ReadOnlyGattCharacteristic<uint8_t> lockedStateChar;
screamer 0:c04d932e96c9 463 WriteOnlyGattCharacteristic<Lock_t> lockChar;
screamer 0:c04d932e96c9 464 GattCharacteristic uriDataChar;
screamer 0:c04d932e96c9 465 WriteOnlyGattCharacteristic<Lock_t> unlockChar;
screamer 0:c04d932e96c9 466 ReadWriteGattCharacteristic<uint8_t> flagsChar;
screamer 0:c04d932e96c9 467 ReadWriteGattCharacteristic<PowerLevels_t> advPowerLevelsChar;
screamer 0:c04d932e96c9 468 ReadWriteGattCharacteristic<uint8_t> txPowerModeChar;
screamer 0:c04d932e96c9 469 ReadWriteGattCharacteristic<uint16_t> beaconPeriodChar;
screamer 0:c04d932e96c9 470 WriteOnlyGattCharacteristic<uint8_t> resetChar;
screamer 0:c04d932e96c9 471
screamer 0:c04d932e96c9 472 public:
screamer 0:c04d932e96c9 473 /*
screamer 0:c04d932e96c9 474 * Encode a human-readable URI into the binary format defined by URIBeacon spec (https://github.com/google/uribeacon/tree/master/specification).
screamer 0:c04d932e96c9 475 */
screamer 0:c04d932e96c9 476 static void encodeURI(const char *uriDataIn, UriData_t uriDataOut, size_t &sizeofURIDataOut) {
screamer 0:c04d932e96c9 477 const char *prefixes[] = {
screamer 0:c04d932e96c9 478 "http://www.",
screamer 0:c04d932e96c9 479 "https://www.",
screamer 0:c04d932e96c9 480 "http://",
screamer 0:c04d932e96c9 481 "https://",
screamer 0:c04d932e96c9 482 };
screamer 0:c04d932e96c9 483 const size_t NUM_PREFIXES = sizeof(prefixes) / sizeof(char *);
screamer 0:c04d932e96c9 484 const char *suffixes[] = {
screamer 0:c04d932e96c9 485 ".com/",
screamer 0:c04d932e96c9 486 ".org/",
screamer 0:c04d932e96c9 487 ".edu/",
screamer 0:c04d932e96c9 488 ".net/",
screamer 0:c04d932e96c9 489 ".info/",
screamer 0:c04d932e96c9 490 ".biz/",
screamer 0:c04d932e96c9 491 ".gov/",
screamer 0:c04d932e96c9 492 ".com",
screamer 0:c04d932e96c9 493 ".org",
screamer 0:c04d932e96c9 494 ".edu",
screamer 0:c04d932e96c9 495 ".net",
screamer 0:c04d932e96c9 496 ".info",
screamer 0:c04d932e96c9 497 ".biz",
screamer 0:c04d932e96c9 498 ".gov"
screamer 0:c04d932e96c9 499 };
screamer 0:c04d932e96c9 500 const size_t NUM_SUFFIXES = sizeof(suffixes) / sizeof(char *);
screamer 0:c04d932e96c9 501
screamer 0:c04d932e96c9 502 sizeofURIDataOut = 0;
screamer 0:c04d932e96c9 503 memset(uriDataOut, 0, sizeof(UriData_t));
screamer 0:c04d932e96c9 504
screamer 0:c04d932e96c9 505 if ((uriDataIn == NULL) || (strlen(uriDataIn) == 0)) {
screamer 0:c04d932e96c9 506 return;
screamer 0:c04d932e96c9 507 }
screamer 0:c04d932e96c9 508
screamer 0:c04d932e96c9 509 /*
screamer 0:c04d932e96c9 510 * handle prefix
screamer 0:c04d932e96c9 511 */
screamer 0:c04d932e96c9 512 for (unsigned i = 0; i < NUM_PREFIXES; i++) {
screamer 0:c04d932e96c9 513 size_t prefixLen = strlen(prefixes[i]);
screamer 0:c04d932e96c9 514 if (strncmp(uriDataIn, prefixes[i], prefixLen) == 0) {
screamer 0:c04d932e96c9 515 uriDataOut[sizeofURIDataOut++] = i;
screamer 0:c04d932e96c9 516 uriDataIn += prefixLen;
screamer 0:c04d932e96c9 517 break;
screamer 0:c04d932e96c9 518 }
screamer 0:c04d932e96c9 519 }
screamer 0:c04d932e96c9 520
screamer 0:c04d932e96c9 521 /*
screamer 0:c04d932e96c9 522 * handle suffixes
screamer 0:c04d932e96c9 523 */
screamer 0:c04d932e96c9 524 while (*uriDataIn && (sizeofURIDataOut < URI_DATA_MAX)) {
screamer 0:c04d932e96c9 525 /* check for suffix match */
screamer 0:c04d932e96c9 526 unsigned i;
screamer 0:c04d932e96c9 527 for (i = 0; i < NUM_SUFFIXES; i++) {
screamer 0:c04d932e96c9 528 size_t suffixLen = strlen(suffixes[i]);
screamer 0:c04d932e96c9 529 if (strncmp(uriDataIn, suffixes[i], suffixLen) == 0) {
screamer 0:c04d932e96c9 530 uriDataOut[sizeofURIDataOut++] = i;
screamer 0:c04d932e96c9 531 uriDataIn += suffixLen;
screamer 0:c04d932e96c9 532 break; /* from the for loop for checking against suffixes */
screamer 0:c04d932e96c9 533 }
screamer 0:c04d932e96c9 534 }
screamer 0:c04d932e96c9 535 /* This is the default case where we've got an ordinary character which doesn't match a suffix. */
screamer 0:c04d932e96c9 536 if (i == NUM_SUFFIXES) {
screamer 0:c04d932e96c9 537 uriDataOut[sizeofURIDataOut++] = *uriDataIn;
screamer 0:c04d932e96c9 538 ++uriDataIn;
screamer 0:c04d932e96c9 539 }
screamer 0:c04d932e96c9 540 }
screamer 0:c04d932e96c9 541 }
screamer 0:c04d932e96c9 542 };
screamer 0:c04d932e96c9 543
screamer 0:c04d932e96c9 544 #endif // SERVICES_ZIPBEACONCONFIGSERVICE_H_