Press buttons to activate the LED.
Dependencies: BLE_API nRF51822
Fork of Puck by
Puck.h@9:ba0527c6b6d0, 2014-07-29 (annotated)
- Committer:
- sigveseb
- Date:
- Tue Jul 29 14:03:14 2014 +0000
- Revision:
- 9:ba0527c6b6d0
- Parent:
- 7:c07c01c2a741
- Child:
- 10:67e4694f2d74
Update display puck to use new puck lib
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
sigveseb | 3:5432b38585ea | 1 | #ifndef __PUCK_HPP__ |
sigveseb | 3:5432b38585ea | 2 | #define __PUCK_HPP__ |
sigveseb | 3:5432b38585ea | 3 | |
sigveseb | 3:5432b38585ea | 4 | #include "BLEDevice.h" |
sigveseb | 3:5432b38585ea | 5 | #include <vector> |
cristea | 7:c07c01c2a741 | 6 | #include "Log.h" |
sigveseb | 3:5432b38585ea | 7 | |
sigveseb | 9:ba0527c6b6d0 | 8 | enum PuckState { |
sigveseb | 3:5432b38585ea | 9 | CONNECTING, |
sigveseb | 3:5432b38585ea | 10 | CONNECTED, |
sigveseb | 3:5432b38585ea | 11 | ADVERTISING, |
sigveseb | 3:5432b38585ea | 12 | DISCONNECTED |
sigveseb | 3:5432b38585ea | 13 | }; |
sigveseb | 3:5432b38585ea | 14 | |
sigveseb | 3:5432b38585ea | 15 | const UUID stringToUUID(const char* str); |
sigveseb | 3:5432b38585ea | 16 | |
sigveseb | 3:5432b38585ea | 17 | typedef void (*CharacteristicWriteCallback)(uint8_t* value); |
sigveseb | 3:5432b38585ea | 18 | |
sigveseb | 3:5432b38585ea | 19 | typedef struct { |
sigveseb | 3:5432b38585ea | 20 | const UUID* uuid; |
sigveseb | 3:5432b38585ea | 21 | std::vector<CharacteristicWriteCallback>* callbacks; |
sigveseb | 3:5432b38585ea | 22 | } CharacteristicWriteCallbacks; |
sigveseb | 3:5432b38585ea | 23 | |
sigveseb | 3:5432b38585ea | 24 | |
sigveseb | 3:5432b38585ea | 25 | class Puck { |
sigveseb | 3:5432b38585ea | 26 | private: |
sigveseb | 3:5432b38585ea | 27 | Puck() {} |
sigveseb | 3:5432b38585ea | 28 | Puck(const Puck&); |
sigveseb | 3:5432b38585ea | 29 | Puck& operator=(const Puck&); |
sigveseb | 3:5432b38585ea | 30 | |
sigveseb | 3:5432b38585ea | 31 | BLEDevice ble; |
sigveseb | 3:5432b38585ea | 32 | uint8_t beaconPayload[25]; |
sigveseb | 3:5432b38585ea | 33 | PuckState state; |
sigveseb | 3:5432b38585ea | 34 | std::vector<GattService*> services; |
sigveseb | 3:5432b38585ea | 35 | std::vector<GattCharacteristic*> characteristics; |
sigveseb | 3:5432b38585ea | 36 | std::vector<CharacteristicWriteCallbacks*> writeCallbacks; |
sigveseb | 3:5432b38585ea | 37 | std::vector<CharacteristicWriteCallback> pendingCallbackStack; |
sigveseb | 3:5432b38585ea | 38 | std::vector<uint8_t*> pendingCallbackParameterStack; |
sigveseb | 3:5432b38585ea | 39 | |
stiaje | 4:91506772210d | 40 | GattCharacteristic **previousCharacteristics; |
stiaje | 4:91506772210d | 41 | |
sigveseb | 3:5432b38585ea | 42 | public: |
sigveseb | 3:5432b38585ea | 43 | static Puck &getPuck(); |
sigveseb | 3:5432b38585ea | 44 | |
stiaje | 5:2f2a2ac6b231 | 45 | BLEDevice &getBle() { return ble; } |
sigveseb | 3:5432b38585ea | 46 | PuckState getState() { return state; } |
sigveseb | 3:5432b38585ea | 47 | void setState(PuckState state); |
sigveseb | 3:5432b38585ea | 48 | void init(uint16_t minor); |
sigveseb | 3:5432b38585ea | 49 | void startAdvertising(); |
sigveseb | 3:5432b38585ea | 50 | void stopAdvertising(); |
sigveseb | 9:ba0527c6b6d0 | 51 | void disconnect(); |
sigveseb | 3:5432b38585ea | 52 | bool drive(); |
sigveseb | 9:ba0527c6b6d0 | 53 | int countFreeMemory(); |
sigveseb | 3:5432b38585ea | 54 | void onDataWritten(uint16_t handle); |
sigveseb | 3:5432b38585ea | 55 | void addCharacteristic(const UUID serviceUuid, const UUID characteristicUuid, int bytes, int properties = 0xA); |
sigveseb | 9:ba0527c6b6d0 | 56 | void onCharacteristicWrite(const UUID* uuid, CharacteristicWriteCallback callback); |
sigveseb | 3:5432b38585ea | 57 | uint8_t* getCharacteristicValue(const UUID uuid); |
sigveseb | 3:5432b38585ea | 58 | }; |
sigveseb | 3:5432b38585ea | 59 | |
sigveseb | 3:5432b38585ea | 60 | Puck &Puck::getPuck() { |
sigveseb | 3:5432b38585ea | 61 | static Puck _puckSingletonInstance; |
sigveseb | 3:5432b38585ea | 62 | return _puckSingletonInstance; |
sigveseb | 3:5432b38585ea | 63 | } |
sigveseb | 3:5432b38585ea | 64 | |
sigveseb | 3:5432b38585ea | 65 | |
sigveseb | 3:5432b38585ea | 66 | void onDisconnection(void) { |
sigveseb | 3:5432b38585ea | 67 | LOG_INFO("Disconnected.\n"); |
sigveseb | 3:5432b38585ea | 68 | Puck::getPuck().setState(DISCONNECTED); |
sigveseb | 3:5432b38585ea | 69 | } |
sigveseb | 3:5432b38585ea | 70 | |
sigveseb | 3:5432b38585ea | 71 | void onConnection(void) { |
sigveseb | 3:5432b38585ea | 72 | LOG_INFO("Connected.\n"); |
sigveseb | 3:5432b38585ea | 73 | Puck::getPuck().setState(CONNECTED); |
sigveseb | 3:5432b38585ea | 74 | } |
sigveseb | 3:5432b38585ea | 75 | |
sigveseb | 3:5432b38585ea | 76 | void onDataWrittenCallback(uint16_t handle) { |
sigveseb | 3:5432b38585ea | 77 | Puck::getPuck().onDataWritten(handle); |
sigveseb | 3:5432b38585ea | 78 | } |
sigveseb | 3:5432b38585ea | 79 | |
sigveseb | 3:5432b38585ea | 80 | bool isEqualUUID(const UUID* uuidA, const UUID uuidB) { |
sigveseb | 3:5432b38585ea | 81 | const uint8_t* uuidABase = uuidA->getBaseUUID(); |
sigveseb | 3:5432b38585ea | 82 | const uint8_t* uuidBBase = uuidB.getBaseUUID(); |
sigveseb | 9:ba0527c6b6d0 | 83 | |
sigveseb | 3:5432b38585ea | 84 | for(int i = 0; i < 16; i++) { |
sigveseb | 3:5432b38585ea | 85 | if(uuidABase[i] != uuidBBase[i]) { |
sigveseb | 3:5432b38585ea | 86 | return false; |
sigveseb | 3:5432b38585ea | 87 | } |
sigveseb | 3:5432b38585ea | 88 | } |
sigveseb | 9:ba0527c6b6d0 | 89 | if(uuidA->getShortUUID() != uuidB.getShortUUID()) { |
sigveseb | 9:ba0527c6b6d0 | 90 | return false; |
sigveseb | 9:ba0527c6b6d0 | 91 | } |
sigveseb | 3:5432b38585ea | 92 | return true; |
sigveseb | 3:5432b38585ea | 93 | } |
sigveseb | 3:5432b38585ea | 94 | |
sigveseb | 3:5432b38585ea | 95 | const UUID stringToUUID(const char* str) { |
sigveseb | 3:5432b38585ea | 96 | uint8_t array[16]; |
sigveseb | 3:5432b38585ea | 97 | for(int i = 0; i < 16; i++) { |
sigveseb | 3:5432b38585ea | 98 | array[i] = str[i]; |
sigveseb | 3:5432b38585ea | 99 | } |
sigveseb | 3:5432b38585ea | 100 | return UUID(array); |
sigveseb | 3:5432b38585ea | 101 | } |
sigveseb | 3:5432b38585ea | 102 | |
sigveseb | 9:ba0527c6b6d0 | 103 | void Puck::disconnect() { |
sigveseb | 9:ba0527c6b6d0 | 104 | ble.disconnect(); |
sigveseb | 9:ba0527c6b6d0 | 105 | } |
sigveseb | 9:ba0527c6b6d0 | 106 | |
sigveseb | 9:ba0527c6b6d0 | 107 | int Puck::countFreeMemory() { |
sigveseb | 9:ba0527c6b6d0 | 108 | int blocksize = 256; |
sigveseb | 9:ba0527c6b6d0 | 109 | int amount = 0; |
sigveseb | 9:ba0527c6b6d0 | 110 | while (blocksize > 0) { |
sigveseb | 9:ba0527c6b6d0 | 111 | amount += blocksize; |
sigveseb | 9:ba0527c6b6d0 | 112 | LOG_VERBOSE("Trying to malloc %i bytes... ", amount); |
sigveseb | 9:ba0527c6b6d0 | 113 | char *p = (char *) malloc(amount); |
sigveseb | 9:ba0527c6b6d0 | 114 | if (p == NULL) { |
sigveseb | 9:ba0527c6b6d0 | 115 | LOG_VERBOSE("FAIL!\n", amount); |
sigveseb | 9:ba0527c6b6d0 | 116 | amount -= blocksize; |
sigveseb | 9:ba0527c6b6d0 | 117 | blocksize /= 2; |
sigveseb | 9:ba0527c6b6d0 | 118 | } else { |
sigveseb | 9:ba0527c6b6d0 | 119 | free(p); |
sigveseb | 9:ba0527c6b6d0 | 120 | LOG_VERBOSE("OK!\n", amount); |
sigveseb | 9:ba0527c6b6d0 | 121 | } |
sigveseb | 9:ba0527c6b6d0 | 122 | } |
sigveseb | 9:ba0527c6b6d0 | 123 | LOG_DEBUG("Free memory: %i bytes.\n", amount); |
sigveseb | 9:ba0527c6b6d0 | 124 | return amount; |
sigveseb | 9:ba0527c6b6d0 | 125 | } |
sigveseb | 9:ba0527c6b6d0 | 126 | |
sigveseb | 3:5432b38585ea | 127 | void Puck::setState(PuckState state) { |
sigveseb | 3:5432b38585ea | 128 | LOG_DEBUG("Changed state to %i\n", state); |
sigveseb | 3:5432b38585ea | 129 | this->state = state; |
sigveseb | 3:5432b38585ea | 130 | } |
sigveseb | 3:5432b38585ea | 131 | |
sigveseb | 3:5432b38585ea | 132 | void Puck::init(uint16_t minor) { |
sigveseb | 3:5432b38585ea | 133 | /* |
sigveseb | 3:5432b38585ea | 134 | * The Beacon payload (encapsulated within the MSD advertising data structure) |
sigveseb | 3:5432b38585ea | 135 | * has the following composition: |
sigveseb | 3:5432b38585ea | 136 | * 128-Bit UUID = E2 0A 39 F4 73 F5 4B C4 A1 2F 17 D1 AD 07 A9 61 |
sigveseb | 3:5432b38585ea | 137 | * Major/Minor = 1337 / XXXX |
sigveseb | 3:5432b38585ea | 138 | * Tx Power = C8 |
sigveseb | 3:5432b38585ea | 139 | */ |
sigveseb | 3:5432b38585ea | 140 | uint8_t beaconPayloadTemplate[] = { |
sigveseb | 3:5432b38585ea | 141 | 0x00, 0x00, // Company identifier code (0x004C == Apple) |
sigveseb | 3:5432b38585ea | 142 | 0x02, // ID |
sigveseb | 3:5432b38585ea | 143 | 0x15, // length of the remaining payload |
sigveseb | 3:5432b38585ea | 144 | 0xE2, 0x0A, 0x39, 0xF4, 0x73, 0xF5, 0x4B, 0xC4, // UUID |
sigveseb | 3:5432b38585ea | 145 | 0xA1, 0x2F, 0x17, 0xD1, 0xAD, 0x07, 0xA9, 0x61, |
sigveseb | 3:5432b38585ea | 146 | 0x13, 0x37, // the major value to differenciate a location (Our app requires 1337 as major number) |
sigveseb | 3:5432b38585ea | 147 | 0x00, 0x00, // the minor value to differenciate a location (Change this to differentiate location pucks) |
sigveseb | 3:5432b38585ea | 148 | 0xC8 // 2's complement of the Tx power (-56dB) |
sigveseb | 3:5432b38585ea | 149 | }; |
sigveseb | 3:5432b38585ea | 150 | beaconPayloadTemplate[22] = minor >> 8; |
sigveseb | 3:5432b38585ea | 151 | beaconPayloadTemplate[23] = minor & 255; |
sigveseb | 3:5432b38585ea | 152 | |
sigveseb | 3:5432b38585ea | 153 | for (int i=0; i < 25; i++) { |
sigveseb | 3:5432b38585ea | 154 | beaconPayload[i] = beaconPayloadTemplate[i]; |
sigveseb | 3:5432b38585ea | 155 | } |
sigveseb | 3:5432b38585ea | 156 | |
sigveseb | 3:5432b38585ea | 157 | ble.init(); |
sigveseb | 9:ba0527c6b6d0 | 158 | LOG_DEBUG("Inited BLEDevice.\n"); |
sigveseb | 3:5432b38585ea | 159 | setState(DISCONNECTED); |
sigveseb | 3:5432b38585ea | 160 | |
sigveseb | 3:5432b38585ea | 161 | ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED); |
sigveseb | 9:ba0527c6b6d0 | 162 | LOG_DEBUG("Accumulate advertising payload: BREDR_NOT_SUPPORTED.\n"); |
sigveseb | 3:5432b38585ea | 163 | |
sigveseb | 3:5432b38585ea | 164 | ble.accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, beaconPayload, sizeof(beaconPayload)); |
sigveseb | 9:ba0527c6b6d0 | 165 | LOG_DEBUG("Accumulate advertising payload: beacon data.\n"); |
sigveseb | 3:5432b38585ea | 166 | |
sigveseb | 3:5432b38585ea | 167 | ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
sigveseb | 9:ba0527c6b6d0 | 168 | LOG_DEBUG("Setting advertising type: ADV_CONNECTABLE_UNDIRECTED.\n"); |
sigveseb | 3:5432b38585ea | 169 | |
sigveseb | 3:5432b38585ea | 170 | int hundredMillisecondsInAdvertisingIntervalFormat = 160; |
sigveseb | 3:5432b38585ea | 171 | ble.setAdvertisingInterval(hundredMillisecondsInAdvertisingIntervalFormat); |
sigveseb | 9:ba0527c6b6d0 | 172 | LOG_DEBUG("Set advertising interval: 160 (100 ms).\n"); |
sigveseb | 3:5432b38585ea | 173 | |
sigveseb | 3:5432b38585ea | 174 | ble.onDisconnection(onDisconnection); |
sigveseb | 3:5432b38585ea | 175 | ble.onConnection(onConnection); |
sigveseb | 3:5432b38585ea | 176 | ble.onDataWritten(onDataWrittenCallback); |
sigveseb | 9:ba0527c6b6d0 | 177 | LOG_DEBUG("Hooked up internal event handlers.\n"); |
sigveseb | 3:5432b38585ea | 178 | |
sigveseb | 3:5432b38585ea | 179 | for(int i = 0; i < services.size(); i++) { |
sigveseb | 3:5432b38585ea | 180 | ble.addService(*services[i]); |
sigveseb | 9:ba0527c6b6d0 | 181 | LOG_DEBUG("Added service %x to BLEDevice\n", services[i]); |
sigveseb | 3:5432b38585ea | 182 | } |
sigveseb | 3:5432b38585ea | 183 | |
sigveseb | 3:5432b38585ea | 184 | LOG_INFO("Inited puck as 0x%X.\n", minor); |
sigveseb | 3:5432b38585ea | 185 | } |
sigveseb | 3:5432b38585ea | 186 | |
sigveseb | 3:5432b38585ea | 187 | void Puck::startAdvertising() { |
sigveseb | 3:5432b38585ea | 188 | ble.startAdvertising(); |
sigveseb | 3:5432b38585ea | 189 | LOG_INFO("Starting to advertise.\n"); |
sigveseb | 3:5432b38585ea | 190 | setState(ADVERTISING); |
sigveseb | 3:5432b38585ea | 191 | } |
sigveseb | 3:5432b38585ea | 192 | |
sigveseb | 3:5432b38585ea | 193 | void Puck::stopAdvertising() { |
sigveseb | 3:5432b38585ea | 194 | if(state == ADVERTISING) { |
sigveseb | 3:5432b38585ea | 195 | ble.stopAdvertising(); |
sigveseb | 3:5432b38585ea | 196 | LOG_INFO("Stopped advertising.\n"); |
sigveseb | 3:5432b38585ea | 197 | setState(DISCONNECTED); |
sigveseb | 3:5432b38585ea | 198 | } else { |
sigveseb | 3:5432b38585ea | 199 | LOG_WARN("Tried to stop advertising, but advertising is already stopped!\n"); |
sigveseb | 3:5432b38585ea | 200 | } |
sigveseb | 3:5432b38585ea | 201 | } |
sigveseb | 3:5432b38585ea | 202 | |
sigveseb | 3:5432b38585ea | 203 | |
sigveseb | 3:5432b38585ea | 204 | void Puck::addCharacteristic(const UUID serviceUuid, const UUID characteristicUuid, int bytes, int properties) { |
sigveseb | 3:5432b38585ea | 205 | MBED_ASSERT(bytes <= 20); |
sigveseb | 3:5432b38585ea | 206 | uint16_t size = sizeof(uint8_t) * bytes; |
sigveseb | 3:5432b38585ea | 207 | uint8_t* value = (uint8_t*) malloc(size); |
sigveseb | 9:ba0527c6b6d0 | 208 | if(value == NULL) { |
sigveseb | 9:ba0527c6b6d0 | 209 | LOG_ERROR("Unable to malloc value for characteristic. Possibly out of memory!\n"); |
sigveseb | 9:ba0527c6b6d0 | 210 | } |
sigveseb | 9:ba0527c6b6d0 | 211 | |
sigveseb | 3:5432b38585ea | 212 | GattCharacteristic* characteristic = new GattCharacteristic(characteristicUuid, value, size, size, properties); |
sigveseb | 3:5432b38585ea | 213 | characteristics.push_back(characteristic); |
sigveseb | 9:ba0527c6b6d0 | 214 | |
sigveseb | 9:ba0527c6b6d0 | 215 | |
sigveseb | 3:5432b38585ea | 216 | GattService* service = NULL; |
sigveseb | 9:ba0527c6b6d0 | 217 | |
sigveseb | 3:5432b38585ea | 218 | int removeIndex = -1; |
sigveseb | 3:5432b38585ea | 219 | for(int i = 0; i < services.size(); i++) { |
sigveseb | 3:5432b38585ea | 220 | if(isEqualUUID(&services[i]->getUUID(), serviceUuid)) { |
sigveseb | 3:5432b38585ea | 221 | service = services[i]; |
sigveseb | 3:5432b38585ea | 222 | removeIndex = i; |
sigveseb | 3:5432b38585ea | 223 | break; |
sigveseb | 3:5432b38585ea | 224 | } |
sigveseb | 3:5432b38585ea | 225 | } |
sigveseb | 3:5432b38585ea | 226 | GattCharacteristic** characteristics = NULL; |
sigveseb | 3:5432b38585ea | 227 | int characteristicsLength = 0; |
sigveseb | 3:5432b38585ea | 228 | if(service != NULL) { |
sigveseb | 3:5432b38585ea | 229 | characteristicsLength = service->getCharacteristicCount() + 1; |
sigveseb | 3:5432b38585ea | 230 | characteristics = (GattCharacteristic**) malloc(sizeof(GattCharacteristic*) * characteristicsLength); |
sigveseb | 9:ba0527c6b6d0 | 231 | if(characteristics == NULL) { |
sigveseb | 9:ba0527c6b6d0 | 232 | LOG_ERROR("Unable to malloc array of characteristics for service creation. Possibly out of memory!\n"); |
sigveseb | 9:ba0527c6b6d0 | 233 | } |
sigveseb | 3:5432b38585ea | 234 | for(int i = 0; i < characteristicsLength; i++) { |
sigveseb | 3:5432b38585ea | 235 | characteristics[i] = service->getCharacteristic(i); |
sigveseb | 3:5432b38585ea | 236 | } |
sigveseb | 3:5432b38585ea | 237 | services.erase(services.begin() + removeIndex); |
sigveseb | 3:5432b38585ea | 238 | delete service; |
stiaje | 4:91506772210d | 239 | free(previousCharacteristics); |
sigveseb | 3:5432b38585ea | 240 | } else { |
sigveseb | 3:5432b38585ea | 241 | characteristicsLength = 1; |
sigveseb | 3:5432b38585ea | 242 | characteristics = (GattCharacteristic**) malloc(sizeof(GattCharacteristic*) * characteristicsLength); |
sigveseb | 9:ba0527c6b6d0 | 243 | if(characteristics == NULL) { |
sigveseb | 9:ba0527c6b6d0 | 244 | LOG_ERROR("Unable to malloc array of characteristics for service creation. Possibly out of memory!\n"); |
sigveseb | 9:ba0527c6b6d0 | 245 | } |
sigveseb | 3:5432b38585ea | 246 | } |
sigveseb | 9:ba0527c6b6d0 | 247 | |
sigveseb | 3:5432b38585ea | 248 | characteristics[characteristicsLength - 1] = characteristic; |
stiaje | 4:91506772210d | 249 | previousCharacteristics = characteristics; |
sigveseb | 3:5432b38585ea | 250 | service = new GattService(serviceUuid, characteristics, characteristicsLength); |
sigveseb | 3:5432b38585ea | 251 | services.push_back(service); |
sigveseb | 9:ba0527c6b6d0 | 252 | LOG_DEBUG("Added characteristic.\n"); |
sigveseb | 3:5432b38585ea | 253 | } |
sigveseb | 3:5432b38585ea | 254 | |
sigveseb | 3:5432b38585ea | 255 | bool Puck::drive() { |
sigveseb | 3:5432b38585ea | 256 | ble.waitForEvent(); |
sigveseb | 3:5432b38585ea | 257 | if(state == DISCONNECTED) { |
sigveseb | 3:5432b38585ea | 258 | startAdvertising(); |
sigveseb | 3:5432b38585ea | 259 | } |
sigveseb | 3:5432b38585ea | 260 | while(pendingCallbackStack.size() > 0) { |
sigveseb | 3:5432b38585ea | 261 | pendingCallbackStack.back()(pendingCallbackParameterStack.back()); |
sigveseb | 3:5432b38585ea | 262 | pendingCallbackStack.pop_back(); |
sigveseb | 3:5432b38585ea | 263 | pendingCallbackParameterStack.pop_back(); |
sigveseb | 3:5432b38585ea | 264 | } |
sigveseb | 3:5432b38585ea | 265 | return true; |
sigveseb | 3:5432b38585ea | 266 | } |
sigveseb | 3:5432b38585ea | 267 | |
sigveseb | 3:5432b38585ea | 268 | |
sigveseb | 9:ba0527c6b6d0 | 269 | void Puck::onCharacteristicWrite(const UUID* uuid, CharacteristicWriteCallback callback) { |
sigveseb | 3:5432b38585ea | 270 | CharacteristicWriteCallbacks* cb = NULL; |
sigveseb | 3:5432b38585ea | 271 | for(int i = 0; i< writeCallbacks.size(); i++) { |
sigveseb | 9:ba0527c6b6d0 | 272 | if(isEqualUUID(writeCallbacks[i]->uuid, *uuid)) { |
sigveseb | 3:5432b38585ea | 273 | cb = writeCallbacks[i]; |
sigveseb | 3:5432b38585ea | 274 | break; |
sigveseb | 3:5432b38585ea | 275 | } |
sigveseb | 3:5432b38585ea | 276 | } |
sigveseb | 3:5432b38585ea | 277 | if(cb == NULL) { |
sigveseb | 3:5432b38585ea | 278 | cb = (CharacteristicWriteCallbacks*) malloc(sizeof(CharacteristicWriteCallbacks)); |
sigveseb | 9:ba0527c6b6d0 | 279 | if(cb == NULL) { |
sigveseb | 9:ba0527c6b6d0 | 280 | LOG_ERROR("Could not malloc CharacteristicWriteCallbacks container. Possibly out of memory!\n"); |
sigveseb | 9:ba0527c6b6d0 | 281 | } |
sigveseb | 9:ba0527c6b6d0 | 282 | cb->uuid = uuid; |
sigveseb | 3:5432b38585ea | 283 | cb->callbacks = new std::vector<CharacteristicWriteCallback>(); |
sigveseb | 3:5432b38585ea | 284 | writeCallbacks.push_back(cb); |
sigveseb | 3:5432b38585ea | 285 | } |
sigveseb | 3:5432b38585ea | 286 | cb->callbacks->push_back(callback); |
sigveseb | 3:5432b38585ea | 287 | LOG_VERBOSE("Bound characteristic write callback (uuid: %x, callback: %x)\n", uuid, callback); |
sigveseb | 3:5432b38585ea | 288 | } |
sigveseb | 3:5432b38585ea | 289 | |
sigveseb | 3:5432b38585ea | 290 | |
sigveseb | 3:5432b38585ea | 291 | uint8_t* Puck::getCharacteristicValue(const UUID uuid) { |
sigveseb | 3:5432b38585ea | 292 | LOG_VERBOSE("Reading characteristic value for UUID %x\n", uuid); |
sigveseb | 3:5432b38585ea | 293 | for(int i = 0; i < characteristics.size(); i++) { |
sigveseb | 3:5432b38585ea | 294 | GattCharacteristic* characteristic = characteristics[i]; |
sigveseb | 3:5432b38585ea | 295 | if(isEqualUUID(&characteristic->getUUID(), uuid)) { |
sigveseb | 3:5432b38585ea | 296 | return characteristic->getValuePtr(); |
sigveseb | 3:5432b38585ea | 297 | } |
sigveseb | 3:5432b38585ea | 298 | } |
sigveseb | 3:5432b38585ea | 299 | LOG_WARN("Tried to read an unknown characteristic!"); |
sigveseb | 3:5432b38585ea | 300 | return NULL; |
sigveseb | 3:5432b38585ea | 301 | } |
sigveseb | 3:5432b38585ea | 302 | |
sigveseb | 3:5432b38585ea | 303 | |
sigveseb | 3:5432b38585ea | 304 | void Puck::onDataWritten(uint16_t handle) { |
sigveseb | 3:5432b38585ea | 305 | for (int i = 0; i < characteristics.size(); i++) { |
sigveseb | 3:5432b38585ea | 306 | GattCharacteristic* characteristic = characteristics[i]; |
sigveseb | 3:5432b38585ea | 307 | if (characteristic->getHandle() == handle) { |
sigveseb | 3:5432b38585ea | 308 | uint16_t maxLength = characteristic->getMaxLength(); |
sigveseb | 3:5432b38585ea | 309 | ble.readCharacteristicValue(handle, characteristic->getValuePtr(), &maxLength); |
sigveseb | 3:5432b38585ea | 310 | for(int j = 0; j < writeCallbacks.size(); j++) { |
sigveseb | 3:5432b38585ea | 311 | CharacteristicWriteCallbacks* characteristicWriteCallbacks = writeCallbacks[j]; |
sigveseb | 3:5432b38585ea | 312 | if(isEqualUUID(characteristicWriteCallbacks->uuid, characteristic->getUUID())) { |
sigveseb | 3:5432b38585ea | 313 | for(int k = 0; k < characteristicWriteCallbacks->callbacks->size(); k++) { |
sigveseb | 3:5432b38585ea | 314 | pendingCallbackStack.push_back(characteristicWriteCallbacks->callbacks->at(k)); |
sigveseb | 3:5432b38585ea | 315 | pendingCallbackParameterStack.push_back(characteristic->getValuePtr()); |
sigveseb | 3:5432b38585ea | 316 | } |
sigveseb | 9:ba0527c6b6d0 | 317 | return; |
sigveseb | 3:5432b38585ea | 318 | } |
sigveseb | 3:5432b38585ea | 319 | } |
sigveseb | 3:5432b38585ea | 320 | } |
sigveseb | 3:5432b38585ea | 321 | } |
sigveseb | 3:5432b38585ea | 322 | } |
sigveseb | 3:5432b38585ea | 323 | |
sigveseb | 3:5432b38585ea | 324 | |
sigveseb | 3:5432b38585ea | 325 | |
sigveseb | 3:5432b38585ea | 326 | #endif // __PUCK_HPP__ |