Nordic Pucks / Puck Featured

A library for easier setup and prototyping of IoT devices (pucks), by collecting everything that is common for all pucks in one place.

Dependencies:   BLE_API nRF51822

Dependents:   ir-puck display-puck ir-puck2 BLE_ScoringDevice ... more

/media/uploads/stiaje/header.jpg

Introduction

Raspberry Pi took the maker community by storm when it launched in 2012. With its internet access it allowed small projects to be internet-of-things enabled. We have created a platform to take this one step further.

Our platform, called the Puck platform, is an internet of things platform for mbed. mbed makes it easy to program embedded hardware for people new to embedded systems. Our platform is built upon the first mbed chip with Bluetooth, the nRF51822 created by Nordic Semiconductor. We hope to create a community around these BLE devices where people contribute to the project, and share their designs with each other. Everything is open-source, of course, with lots of supporting materials.

We make it easy to rapidly prototype and develop Bluetooth LE enabled devices - get up and running in under 10 lines of code.

Tutorials and in-depth documentation is available at the project's GitHub page

Pucks

We've developed a handful of awesome examples to demonstrate the platform. These examples are named 'Pucks'. By talking to the internet through your smartphone, the barrier to creating your own Internet of Things device is lower than ever.

Puck.h@12:8a8cc109f048, 2014-08-05 (annotated)

Committer:
cristea
Date:
Tue Aug 05 08:34:51 2014 +0000
Revision:
12:8a8cc109f048
Parent:
10:67e4694f2d74
Child:
13:93d3574e9e36
Add license

Who changed what in which revision?

UserRevisionLine numberNew contents of line
cristea 12:8a8cc109f048 1 /**
cristea 12:8a8cc109f048 2 * Copyright 2014 Nordic Semiconductor
cristea 12:8a8cc109f048 3 *
cristea 12:8a8cc109f048 4 * Licensed under the Apache License, Version 2.0 (the "License");
cristea 12:8a8cc109f048 5 * you may not use this file except in compliance with the License.
cristea 12:8a8cc109f048 6 * You may obtain a copy of the License at
cristea 12:8a8cc109f048 7 *
cristea 12:8a8cc109f048 8 * http://www.apache.org/licenses/LICENSE-2.0
cristea 12:8a8cc109f048 9 *
cristea 12:8a8cc109f048 10 * Unless required by applicable law or agreed to in writing, software
cristea 12:8a8cc109f048 11 * distributed under the License is distributed on an "AS IS" BASIS,
cristea 12:8a8cc109f048 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
cristea 12:8a8cc109f048 13 * See the License for the specific language governing permissions and
cristea 12:8a8cc109f048 14 * limitations under the License
cristea 12:8a8cc109f048 15 */
cristea 12:8a8cc109f048 16
cristea 12:8a8cc109f048 17
sigveseb 3:5432b38585ea 18 #ifndef __PUCK_HPP__
sigveseb 3:5432b38585ea 19 #define __PUCK_HPP__
sigveseb 3:5432b38585ea 20
sigveseb 3:5432b38585ea 21 #include "BLEDevice.h"
sigveseb 3:5432b38585ea 22 #include <vector>
cristea 7:c07c01c2a741 23 #include "Log.h"
sigveseb 3:5432b38585ea 24
sigveseb 9:ba0527c6b6d0 25 enum PuckState {
sigveseb 3:5432b38585ea 26 CONNECTING,
sigveseb 3:5432b38585ea 27 CONNECTED,
sigveseb 3:5432b38585ea 28 ADVERTISING,
sigveseb 3:5432b38585ea 29 DISCONNECTED
sigveseb 3:5432b38585ea 30 };
sigveseb 3:5432b38585ea 31
sigveseb 3:5432b38585ea 32 const UUID stringToUUID(const char* str);
sigveseb 3:5432b38585ea 33
sigveseb 3:5432b38585ea 34 typedef void (*CharacteristicWriteCallback)(uint8_t* value);
sigveseb 3:5432b38585ea 35
sigveseb 3:5432b38585ea 36 typedef struct {
sigveseb 3:5432b38585ea 37 const UUID* uuid;
sigveseb 3:5432b38585ea 38 std::vector<CharacteristicWriteCallback>* callbacks;
sigveseb 3:5432b38585ea 39 } CharacteristicWriteCallbacks;
sigveseb 3:5432b38585ea 40
sigveseb 3:5432b38585ea 41
sigveseb 3:5432b38585ea 42 class Puck {
sigveseb 3:5432b38585ea 43 private:
sigveseb 3:5432b38585ea 44 Puck() {}
sigveseb 3:5432b38585ea 45 Puck(const Puck&);
sigveseb 3:5432b38585ea 46 Puck& operator=(const Puck&);
sigveseb 3:5432b38585ea 47
sigveseb 3:5432b38585ea 48 BLEDevice ble;
sigveseb 3:5432b38585ea 49 uint8_t beaconPayload[25];
sigveseb 3:5432b38585ea 50 PuckState state;
sigveseb 3:5432b38585ea 51 std::vector<GattService*> services;
sigveseb 3:5432b38585ea 52 std::vector<GattCharacteristic*> characteristics;
sigveseb 3:5432b38585ea 53 std::vector<CharacteristicWriteCallbacks*> writeCallbacks;
sigveseb 3:5432b38585ea 54 std::vector<CharacteristicWriteCallback> pendingCallbackStack;
sigveseb 3:5432b38585ea 55 std::vector<uint8_t*> pendingCallbackParameterStack;
sigveseb 3:5432b38585ea 56
stiaje 4:91506772210d 57 GattCharacteristic **previousCharacteristics;
stiaje 4:91506772210d 58
sigveseb 3:5432b38585ea 59 public:
sigveseb 3:5432b38585ea 60 static Puck &getPuck();
sigveseb 3:5432b38585ea 61
stiaje 5:2f2a2ac6b231 62 BLEDevice &getBle() { return ble; }
sigveseb 3:5432b38585ea 63 PuckState getState() { return state; }
sigveseb 3:5432b38585ea 64 void setState(PuckState state);
sigveseb 3:5432b38585ea 65 void init(uint16_t minor);
sigveseb 3:5432b38585ea 66 void startAdvertising();
sigveseb 3:5432b38585ea 67 void stopAdvertising();
sigveseb 9:ba0527c6b6d0 68 void disconnect();
sigveseb 3:5432b38585ea 69 bool drive();
sigveseb 9:ba0527c6b6d0 70 int countFreeMemory();
sigveseb 3:5432b38585ea 71 void onDataWritten(uint16_t handle);
sigveseb 3:5432b38585ea 72 void addCharacteristic(const UUID serviceUuid, const UUID characteristicUuid, int bytes, int properties = 0xA);
stiaje 10:67e4694f2d74 73
sigveseb 9:ba0527c6b6d0 74 void onCharacteristicWrite(const UUID* uuid, CharacteristicWriteCallback callback);
sigveseb 8:49ffd38fb401 75 void updateCharacteristicValue(const UUID uuid, uint8_t* value, int length);
stiaje 10:67e4694f2d74 76
sigveseb 3:5432b38585ea 77 uint8_t* getCharacteristicValue(const UUID uuid);
sigveseb 3:5432b38585ea 78 };
sigveseb 3:5432b38585ea 79
sigveseb 3:5432b38585ea 80 Puck &Puck::getPuck() {
sigveseb 3:5432b38585ea 81 static Puck _puckSingletonInstance;
sigveseb 3:5432b38585ea 82 return _puckSingletonInstance;
sigveseb 3:5432b38585ea 83 }
sigveseb 3:5432b38585ea 84
sigveseb 3:5432b38585ea 85
sigveseb 3:5432b38585ea 86 void onDisconnection(void) {
sigveseb 3:5432b38585ea 87 LOG_INFO("Disconnected.\n");
sigveseb 3:5432b38585ea 88 Puck::getPuck().setState(DISCONNECTED);
sigveseb 3:5432b38585ea 89 }
sigveseb 3:5432b38585ea 90
sigveseb 3:5432b38585ea 91 void onConnection(void) {
sigveseb 3:5432b38585ea 92 LOG_INFO("Connected.\n");
sigveseb 3:5432b38585ea 93 Puck::getPuck().setState(CONNECTED);
sigveseb 3:5432b38585ea 94 }
sigveseb 3:5432b38585ea 95
sigveseb 3:5432b38585ea 96 void onDataWrittenCallback(uint16_t handle) {
sigveseb 3:5432b38585ea 97 Puck::getPuck().onDataWritten(handle);
sigveseb 3:5432b38585ea 98 }
sigveseb 3:5432b38585ea 99
sigveseb 3:5432b38585ea 100 bool isEqualUUID(const UUID* uuidA, const UUID uuidB) {
sigveseb 3:5432b38585ea 101 const uint8_t* uuidABase = uuidA->getBaseUUID();
sigveseb 3:5432b38585ea 102 const uint8_t* uuidBBase = uuidB.getBaseUUID();
sigveseb 9:ba0527c6b6d0 103
sigveseb 3:5432b38585ea 104 for(int i = 0; i < 16; i++) {
sigveseb 3:5432b38585ea 105 if(uuidABase[i] != uuidBBase[i]) {
sigveseb 3:5432b38585ea 106 return false;
sigveseb 3:5432b38585ea 107 }
sigveseb 3:5432b38585ea 108 }
sigveseb 9:ba0527c6b6d0 109 if(uuidA->getShortUUID() != uuidB.getShortUUID()) {
sigveseb 9:ba0527c6b6d0 110 return false;
sigveseb 9:ba0527c6b6d0 111 }
sigveseb 3:5432b38585ea 112 return true;
sigveseb 3:5432b38585ea 113 }
sigveseb 3:5432b38585ea 114
sigveseb 3:5432b38585ea 115 const UUID stringToUUID(const char* str) {
sigveseb 3:5432b38585ea 116 uint8_t array[16];
sigveseb 3:5432b38585ea 117 for(int i = 0; i < 16; i++) {
sigveseb 3:5432b38585ea 118 array[i] = str[i];
sigveseb 3:5432b38585ea 119 }
sigveseb 3:5432b38585ea 120 return UUID(array);
sigveseb 3:5432b38585ea 121 }
sigveseb 3:5432b38585ea 122
sigveseb 9:ba0527c6b6d0 123 void Puck::disconnect() {
sigveseb 9:ba0527c6b6d0 124 ble.disconnect();
sigveseb 9:ba0527c6b6d0 125 }
sigveseb 9:ba0527c6b6d0 126
sigveseb 9:ba0527c6b6d0 127 int Puck::countFreeMemory() {
sigveseb 9:ba0527c6b6d0 128 int blocksize = 256;
sigveseb 9:ba0527c6b6d0 129 int amount = 0;
sigveseb 9:ba0527c6b6d0 130 while (blocksize > 0) {
sigveseb 9:ba0527c6b6d0 131 amount += blocksize;
sigveseb 9:ba0527c6b6d0 132 LOG_VERBOSE("Trying to malloc %i bytes... ", amount);
sigveseb 9:ba0527c6b6d0 133 char *p = (char *) malloc(amount);
sigveseb 9:ba0527c6b6d0 134 if (p == NULL) {
sigveseb 9:ba0527c6b6d0 135 LOG_VERBOSE("FAIL!\n", amount);
sigveseb 9:ba0527c6b6d0 136 amount -= blocksize;
sigveseb 9:ba0527c6b6d0 137 blocksize /= 2;
sigveseb 9:ba0527c6b6d0 138 } else {
sigveseb 9:ba0527c6b6d0 139 free(p);
sigveseb 9:ba0527c6b6d0 140 LOG_VERBOSE("OK!\n", amount);
sigveseb 9:ba0527c6b6d0 141 }
sigveseb 9:ba0527c6b6d0 142 }
sigveseb 9:ba0527c6b6d0 143 LOG_DEBUG("Free memory: %i bytes.\n", amount);
sigveseb 9:ba0527c6b6d0 144 return amount;
sigveseb 9:ba0527c6b6d0 145 }
sigveseb 9:ba0527c6b6d0 146
sigveseb 3:5432b38585ea 147 void Puck::setState(PuckState state) {
sigveseb 3:5432b38585ea 148 LOG_DEBUG("Changed state to %i\n", state);
sigveseb 3:5432b38585ea 149 this->state = state;
sigveseb 3:5432b38585ea 150 }
sigveseb 3:5432b38585ea 151
sigveseb 3:5432b38585ea 152 void Puck::init(uint16_t minor) {
sigveseb 3:5432b38585ea 153 /*
sigveseb 3:5432b38585ea 154 * The Beacon payload (encapsulated within the MSD advertising data structure)
sigveseb 3:5432b38585ea 155 * has the following composition:
sigveseb 3:5432b38585ea 156 * 128-Bit UUID = E2 0A 39 F4 73 F5 4B C4 A1 2F 17 D1 AD 07 A9 61
sigveseb 3:5432b38585ea 157 * Major/Minor = 1337 / XXXX
sigveseb 3:5432b38585ea 158 * Tx Power = C8
sigveseb 3:5432b38585ea 159 */
sigveseb 3:5432b38585ea 160 uint8_t beaconPayloadTemplate[] = {
sigveseb 3:5432b38585ea 161 0x00, 0x00, // Company identifier code (0x004C == Apple)
sigveseb 3:5432b38585ea 162 0x02, // ID
sigveseb 3:5432b38585ea 163 0x15, // length of the remaining payload
sigveseb 3:5432b38585ea 164 0xE2, 0x0A, 0x39, 0xF4, 0x73, 0xF5, 0x4B, 0xC4, // UUID
sigveseb 3:5432b38585ea 165 0xA1, 0x2F, 0x17, 0xD1, 0xAD, 0x07, 0xA9, 0x61,
sigveseb 3:5432b38585ea 166 0x13, 0x37, // the major value to differenciate a location (Our app requires 1337 as major number)
sigveseb 3:5432b38585ea 167 0x00, 0x00, // the minor value to differenciate a location (Change this to differentiate location pucks)
sigveseb 3:5432b38585ea 168 0xC8 // 2's complement of the Tx power (-56dB)
sigveseb 3:5432b38585ea 169 };
sigveseb 3:5432b38585ea 170 beaconPayloadTemplate[22] = minor >> 8;
sigveseb 3:5432b38585ea 171 beaconPayloadTemplate[23] = minor & 255;
sigveseb 3:5432b38585ea 172
sigveseb 3:5432b38585ea 173 for (int i=0; i < 25; i++) {
sigveseb 3:5432b38585ea 174 beaconPayload[i] = beaconPayloadTemplate[i];
sigveseb 3:5432b38585ea 175 }
sigveseb 3:5432b38585ea 176
sigveseb 3:5432b38585ea 177 ble.init();
sigveseb 9:ba0527c6b6d0 178 LOG_DEBUG("Inited BLEDevice.\n");
sigveseb 3:5432b38585ea 179 setState(DISCONNECTED);
sigveseb 3:5432b38585ea 180
sigveseb 3:5432b38585ea 181 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
sigveseb 9:ba0527c6b6d0 182 LOG_DEBUG("Accumulate advertising payload: BREDR_NOT_SUPPORTED.\n");
sigveseb 3:5432b38585ea 183
sigveseb 3:5432b38585ea 184 ble.accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, beaconPayload, sizeof(beaconPayload));
sigveseb 9:ba0527c6b6d0 185 LOG_DEBUG("Accumulate advertising payload: beacon data.\n");
sigveseb 3:5432b38585ea 186
sigveseb 3:5432b38585ea 187 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
sigveseb 9:ba0527c6b6d0 188 LOG_DEBUG("Setting advertising type: ADV_CONNECTABLE_UNDIRECTED.\n");
sigveseb 3:5432b38585ea 189
sigveseb 3:5432b38585ea 190 int hundredMillisecondsInAdvertisingIntervalFormat = 160;
sigveseb 3:5432b38585ea 191 ble.setAdvertisingInterval(hundredMillisecondsInAdvertisingIntervalFormat);
sigveseb 9:ba0527c6b6d0 192 LOG_DEBUG("Set advertising interval: 160 (100 ms).\n");
sigveseb 3:5432b38585ea 193
sigveseb 3:5432b38585ea 194 ble.onDisconnection(onDisconnection);
sigveseb 3:5432b38585ea 195 ble.onConnection(onConnection);
sigveseb 3:5432b38585ea 196 ble.onDataWritten(onDataWrittenCallback);
sigveseb 9:ba0527c6b6d0 197 LOG_DEBUG("Hooked up internal event handlers.\n");
sigveseb 3:5432b38585ea 198
sigveseb 3:5432b38585ea 199 for(int i = 0; i < services.size(); i++) {
sigveseb 3:5432b38585ea 200 ble.addService(*services[i]);
sigveseb 9:ba0527c6b6d0 201 LOG_DEBUG("Added service %x to BLEDevice\n", services[i]);
sigveseb 3:5432b38585ea 202 }
sigveseb 3:5432b38585ea 203
sigveseb 3:5432b38585ea 204 LOG_INFO("Inited puck as 0x%X.\n", minor);
sigveseb 3:5432b38585ea 205 }
sigveseb 3:5432b38585ea 206
sigveseb 3:5432b38585ea 207 void Puck::startAdvertising() {
sigveseb 3:5432b38585ea 208 ble.startAdvertising();
sigveseb 3:5432b38585ea 209 LOG_INFO("Starting to advertise.\n");
sigveseb 3:5432b38585ea 210 setState(ADVERTISING);
sigveseb 3:5432b38585ea 211 }
sigveseb 3:5432b38585ea 212
sigveseb 3:5432b38585ea 213 void Puck::stopAdvertising() {
sigveseb 3:5432b38585ea 214 if(state == ADVERTISING) {
sigveseb 3:5432b38585ea 215 ble.stopAdvertising();
sigveseb 3:5432b38585ea 216 LOG_INFO("Stopped advertising.\n");
sigveseb 3:5432b38585ea 217 setState(DISCONNECTED);
sigveseb 3:5432b38585ea 218 } else {
sigveseb 3:5432b38585ea 219 LOG_WARN("Tried to stop advertising, but advertising is already stopped!\n");
sigveseb 3:5432b38585ea 220 }
sigveseb 3:5432b38585ea 221 }
sigveseb 3:5432b38585ea 222
sigveseb 3:5432b38585ea 223
sigveseb 3:5432b38585ea 224 void Puck::addCharacteristic(const UUID serviceUuid, const UUID characteristicUuid, int bytes, int properties) {
sigveseb 3:5432b38585ea 225 MBED_ASSERT(bytes <= 20);
sigveseb 3:5432b38585ea 226 uint16_t size = sizeof(uint8_t) * bytes;
sigveseb 3:5432b38585ea 227 uint8_t* value = (uint8_t*) malloc(size);
sigveseb 9:ba0527c6b6d0 228 if(value == NULL) {
sigveseb 9:ba0527c6b6d0 229 LOG_ERROR("Unable to malloc value for characteristic. Possibly out of memory!\n");
sigveseb 9:ba0527c6b6d0 230 }
sigveseb 9:ba0527c6b6d0 231
sigveseb 3:5432b38585ea 232 GattCharacteristic* characteristic = new GattCharacteristic(characteristicUuid, value, size, size, properties);
sigveseb 3:5432b38585ea 233 characteristics.push_back(characteristic);
sigveseb 9:ba0527c6b6d0 234
sigveseb 9:ba0527c6b6d0 235
sigveseb 3:5432b38585ea 236 GattService* service = NULL;
sigveseb 9:ba0527c6b6d0 237
sigveseb 3:5432b38585ea 238 int removeIndex = -1;
sigveseb 3:5432b38585ea 239 for(int i = 0; i < services.size(); i++) {
sigveseb 3:5432b38585ea 240 if(isEqualUUID(&services[i]->getUUID(), serviceUuid)) {
sigveseb 3:5432b38585ea 241 service = services[i];
sigveseb 3:5432b38585ea 242 removeIndex = i;
sigveseb 3:5432b38585ea 243 break;
sigveseb 3:5432b38585ea 244 }
sigveseb 3:5432b38585ea 245 }
sigveseb 3:5432b38585ea 246 GattCharacteristic** characteristics = NULL;
sigveseb 3:5432b38585ea 247 int characteristicsLength = 0;
sigveseb 3:5432b38585ea 248 if(service != NULL) {
sigveseb 3:5432b38585ea 249 characteristicsLength = service->getCharacteristicCount() + 1;
sigveseb 3:5432b38585ea 250 characteristics = (GattCharacteristic**) malloc(sizeof(GattCharacteristic*) * characteristicsLength);
sigveseb 9:ba0527c6b6d0 251 if(characteristics == NULL) {
sigveseb 9:ba0527c6b6d0 252 LOG_ERROR("Unable to malloc array of characteristics for service creation. Possibly out of memory!\n");
sigveseb 9:ba0527c6b6d0 253 }
sigveseb 3:5432b38585ea 254 for(int i = 0; i < characteristicsLength; i++) {
sigveseb 3:5432b38585ea 255 characteristics[i] = service->getCharacteristic(i);
sigveseb 3:5432b38585ea 256 }
sigveseb 3:5432b38585ea 257 services.erase(services.begin() + removeIndex);
sigveseb 3:5432b38585ea 258 delete service;
stiaje 4:91506772210d 259 free(previousCharacteristics);
sigveseb 3:5432b38585ea 260 } else {
sigveseb 3:5432b38585ea 261 characteristicsLength = 1;
sigveseb 3:5432b38585ea 262 characteristics = (GattCharacteristic**) malloc(sizeof(GattCharacteristic*) * characteristicsLength);
sigveseb 9:ba0527c6b6d0 263 if(characteristics == NULL) {
sigveseb 9:ba0527c6b6d0 264 LOG_ERROR("Unable to malloc array of characteristics for service creation. Possibly out of memory!\n");
sigveseb 9:ba0527c6b6d0 265 }
sigveseb 3:5432b38585ea 266 }
sigveseb 9:ba0527c6b6d0 267
sigveseb 3:5432b38585ea 268 characteristics[characteristicsLength - 1] = characteristic;
stiaje 4:91506772210d 269 previousCharacteristics = characteristics;
sigveseb 3:5432b38585ea 270 service = new GattService(serviceUuid, characteristics, characteristicsLength);
sigveseb 3:5432b38585ea 271 services.push_back(service);
sigveseb 9:ba0527c6b6d0 272 LOG_DEBUG("Added characteristic.\n");
sigveseb 3:5432b38585ea 273 }
sigveseb 3:5432b38585ea 274
sigveseb 8:49ffd38fb401 275
sigveseb 8:49ffd38fb401 276 void Puck::updateCharacteristicValue(const UUID uuid, uint8_t* value, int length) {
sigveseb 8:49ffd38fb401 277 GattCharacteristic* characteristic = NULL;
sigveseb 8:49ffd38fb401 278 for( int i = 0; i < characteristics.size(); i++) {
sigveseb 8:49ffd38fb401 279 if(isEqualUUID(&characteristics[i]->getUUID(), uuid)) {
sigveseb 8:49ffd38fb401 280 characteristic = characteristics[i];
sigveseb 8:49ffd38fb401 281 break;
sigveseb 8:49ffd38fb401 282 }
sigveseb 8:49ffd38fb401 283 }
sigveseb 8:49ffd38fb401 284 if(characteristic != NULL) {
sigveseb 8:49ffd38fb401 285 ble.updateCharacteristicValue(characteristic->getHandle(), value, length);
sigveseb 8:49ffd38fb401 286 LOG_VERBOSE("Updated characteristic value.\n");
sigveseb 8:49ffd38fb401 287 } else {
sigveseb 8:49ffd38fb401 288 LOG_WARN("Tried to update an unkown characteristic!\n");
sigveseb 8:49ffd38fb401 289 }
sigveseb 8:49ffd38fb401 290 }
sigveseb 8:49ffd38fb401 291
sigveseb 3:5432b38585ea 292 bool Puck::drive() {
sigveseb 3:5432b38585ea 293 ble.waitForEvent();
sigveseb 3:5432b38585ea 294 if(state == DISCONNECTED) {
sigveseb 3:5432b38585ea 295 startAdvertising();
sigveseb 3:5432b38585ea 296 }
sigveseb 3:5432b38585ea 297 while(pendingCallbackStack.size() > 0) {
sigveseb 3:5432b38585ea 298 pendingCallbackStack.back()(pendingCallbackParameterStack.back());
sigveseb 3:5432b38585ea 299 pendingCallbackStack.pop_back();
sigveseb 3:5432b38585ea 300 pendingCallbackParameterStack.pop_back();
sigveseb 3:5432b38585ea 301 }
sigveseb 3:5432b38585ea 302 return true;
sigveseb 3:5432b38585ea 303 }
sigveseb 3:5432b38585ea 304
sigveseb 3:5432b38585ea 305
sigveseb 9:ba0527c6b6d0 306 void Puck::onCharacteristicWrite(const UUID* uuid, CharacteristicWriteCallback callback) {
sigveseb 3:5432b38585ea 307 CharacteristicWriteCallbacks* cb = NULL;
sigveseb 3:5432b38585ea 308 for(int i = 0; i< writeCallbacks.size(); i++) {
sigveseb 9:ba0527c6b6d0 309 if(isEqualUUID(writeCallbacks[i]->uuid, *uuid)) {
sigveseb 3:5432b38585ea 310 cb = writeCallbacks[i];
sigveseb 3:5432b38585ea 311 break;
sigveseb 3:5432b38585ea 312 }
sigveseb 3:5432b38585ea 313 }
sigveseb 3:5432b38585ea 314 if(cb == NULL) {
sigveseb 3:5432b38585ea 315 cb = (CharacteristicWriteCallbacks*) malloc(sizeof(CharacteristicWriteCallbacks));
sigveseb 9:ba0527c6b6d0 316 if(cb == NULL) {
sigveseb 9:ba0527c6b6d0 317 LOG_ERROR("Could not malloc CharacteristicWriteCallbacks container. Possibly out of memory!\n");
sigveseb 9:ba0527c6b6d0 318 }
sigveseb 9:ba0527c6b6d0 319 cb->uuid = uuid;
sigveseb 3:5432b38585ea 320 cb->callbacks = new std::vector<CharacteristicWriteCallback>();
sigveseb 3:5432b38585ea 321 writeCallbacks.push_back(cb);
sigveseb 3:5432b38585ea 322 }
sigveseb 3:5432b38585ea 323 cb->callbacks->push_back(callback);
sigveseb 3:5432b38585ea 324 LOG_VERBOSE("Bound characteristic write callback (uuid: %x, callback: %x)\n", uuid, callback);
sigveseb 3:5432b38585ea 325 }
sigveseb 3:5432b38585ea 326
sigveseb 3:5432b38585ea 327
sigveseb 3:5432b38585ea 328 uint8_t* Puck::getCharacteristicValue(const UUID uuid) {
sigveseb 3:5432b38585ea 329 LOG_VERBOSE("Reading characteristic value for UUID %x\n", uuid);
sigveseb 3:5432b38585ea 330 for(int i = 0; i < characteristics.size(); i++) {
sigveseb 3:5432b38585ea 331 GattCharacteristic* characteristic = characteristics[i];
sigveseb 3:5432b38585ea 332 if(isEqualUUID(&characteristic->getUUID(), uuid)) {
sigveseb 3:5432b38585ea 333 return characteristic->getValuePtr();
sigveseb 3:5432b38585ea 334 }
sigveseb 3:5432b38585ea 335 }
sigveseb 3:5432b38585ea 336 LOG_WARN("Tried to read an unknown characteristic!");
sigveseb 3:5432b38585ea 337 return NULL;
sigveseb 3:5432b38585ea 338 }
sigveseb 3:5432b38585ea 339
sigveseb 3:5432b38585ea 340
sigveseb 3:5432b38585ea 341 void Puck::onDataWritten(uint16_t handle) {
sigveseb 3:5432b38585ea 342 for (int i = 0; i < characteristics.size(); i++) {
sigveseb 3:5432b38585ea 343 GattCharacteristic* characteristic = characteristics[i];
sigveseb 3:5432b38585ea 344 if (characteristic->getHandle() == handle) {
sigveseb 3:5432b38585ea 345 uint16_t maxLength = characteristic->getMaxLength();
sigveseb 3:5432b38585ea 346 ble.readCharacteristicValue(handle, characteristic->getValuePtr(), &maxLength);
sigveseb 3:5432b38585ea 347 for(int j = 0; j < writeCallbacks.size(); j++) {
sigveseb 3:5432b38585ea 348 CharacteristicWriteCallbacks* characteristicWriteCallbacks = writeCallbacks[j];
sigveseb 3:5432b38585ea 349 if(isEqualUUID(characteristicWriteCallbacks->uuid, characteristic->getUUID())) {
sigveseb 3:5432b38585ea 350 for(int k = 0; k < characteristicWriteCallbacks->callbacks->size(); k++) {
sigveseb 3:5432b38585ea 351 pendingCallbackStack.push_back(characteristicWriteCallbacks->callbacks->at(k));
sigveseb 3:5432b38585ea 352 pendingCallbackParameterStack.push_back(characteristic->getValuePtr());
sigveseb 3:5432b38585ea 353 }
sigveseb 9:ba0527c6b6d0 354 return;
sigveseb 3:5432b38585ea 355 }
sigveseb 3:5432b38585ea 356 }
sigveseb 3:5432b38585ea 357 }
sigveseb 3:5432b38585ea 358 }
sigveseb 3:5432b38585ea 359 }
sigveseb 3:5432b38585ea 360
sigveseb 3:5432b38585ea 361
sigveseb 3:5432b38585ea 362
sigveseb 3:5432b38585ea 363 #endif // __PUCK_HPP__