ble nano hid over gatt

Dependencies:   BLE_API mbed-dev nRF51822

Committer:
cho45
Date:
Fri Aug 26 15:22:31 2016 +0000
Revision:
38:115875b8cb6c
Parent:
37:4ce71fa47fc3
Child:
39:b7889285c9ef
?????????

Who changed what in which revision?

UserRevisionLine numberNew contents of line
cho45 6:f1c3ea8bc850 1 #include "mbed.h"
cho45 6:f1c3ea8bc850 2 #include "BLE.h"
cho45 6:f1c3ea8bc850 3 #include "KeyboardService.h"
cho45 6:f1c3ea8bc850 4 #include "BatteryService.h"
cho45 6:f1c3ea8bc850 5 #include "DeviceInformationService.h"
cho45 15:70bf079d3ee1 6 #include "DFUService.h"
cho45 6:f1c3ea8bc850 7 #include "HIDController_BLE.h"
cho45 6:f1c3ea8bc850 8
cho45 6:f1c3ea8bc850 9 static const char MODEL_NAME[] = "keyboard";
cho45 6:f1c3ea8bc850 10 static const char SERIAL_NUMBER[] = "X00000";
cho45 6:f1c3ea8bc850 11 static const char HARDWARE_REVISION[] = "0.1";
cho45 6:f1c3ea8bc850 12 static const char FIRMWARE_REVISION[] = "0.1";
cho45 6:f1c3ea8bc850 13 static const char SOFTWARE_REVISION[] = "0.0";
cho45 6:f1c3ea8bc850 14
cho45 6:f1c3ea8bc850 15 static const uint8_t DEVICE_NAME[] = "my keyboard";
cho45 6:f1c3ea8bc850 16 static const uint8_t SHORT_DEVICE_NAME[] = "kbd1";
cho45 6:f1c3ea8bc850 17
cho45 6:f1c3ea8bc850 18 static const bool ENABLE_BONDING = true;
cho45 6:f1c3ea8bc850 19 static const bool REQUIRE_MITM = true;
cho45 6:f1c3ea8bc850 20 static const uint8_t PASSKEY[6] = {'1','2','3','4','5','6'}; // must be 6-digits number
cho45 6:f1c3ea8bc850 21
cho45 6:f1c3ea8bc850 22 static const uint16_t uuid16_list[] = {
cho45 6:f1c3ea8bc850 23 GattService::UUID_HUMAN_INTERFACE_DEVICE_SERVICE,
cho45 6:f1c3ea8bc850 24 GattService::UUID_DEVICE_INFORMATION_SERVICE,
cho45 6:f1c3ea8bc850 25 GattService::UUID_BATTERY_SERVICE
cho45 6:f1c3ea8bc850 26 };
cho45 6:f1c3ea8bc850 27
cho45 6:f1c3ea8bc850 28 static KeyboardService* keyboardService;
cho45 6:f1c3ea8bc850 29 static BatteryService* batteryService;
cho45 6:f1c3ea8bc850 30 static DeviceInformationService* deviceInformationService;
cho45 15:70bf079d3ee1 31 static DFUService* dfuService;
cho45 6:f1c3ea8bc850 32
cho45 13:b0ffdf2012b9 33 static BLEProtocol::Address_t peerAddress;
cho45 27:7370b8994603 34
cho45 27:7370b8994603 35 static volatile Status_t controllerStatus;
cho45 13:b0ffdf2012b9 36
cho45 6:f1c3ea8bc850 37 static void onConnect(const Gap::ConnectionCallbackParams_t *params) {
cho45 13:b0ffdf2012b9 38 peerAddress.type = params->peerAddrType;
cho45 13:b0ffdf2012b9 39 memcpy(peerAddress.address, params->peerAddr, Gap::ADDR_LEN);
cho45 34:7da766a8aa96 40 // TODO whitelist に peerAddr が含まれていない場合 securitySetupCompletedCallback を待ってから CONNECTED にすべき
cho45 29:ec548c473d50 41 controllerStatus = CONNECTED;
cho45 6:f1c3ea8bc850 42 }
cho45 6:f1c3ea8bc850 43
cho45 6:f1c3ea8bc850 44 static void onDisconnect(const Gap::DisconnectionCallbackParams_t *params) {
cho45 27:7370b8994603 45 controllerStatus = DISCONNECTED;
cho45 6:f1c3ea8bc850 46 }
cho45 6:f1c3ea8bc850 47
cho45 6:f1c3ea8bc850 48 static void onTimeout(const Gap::TimeoutSource_t source) {
cho45 32:6c0f43fda460 49 controllerStatus = TIMEOUT;
cho45 6:f1c3ea8bc850 50 }
cho45 6:f1c3ea8bc850 51
cho45 6:f1c3ea8bc850 52 static void passkeyDisplayCallback(Gap::Handle_t handle, const SecurityManager::Passkey_t passkey) {
cho45 29:ec548c473d50 53 /*
cho45 6:f1c3ea8bc850 54 printf("Input passKey: ");
cho45 6:f1c3ea8bc850 55 for (unsigned i = 0; i < Gap::ADDR_LEN; i++) {
cho45 6:f1c3ea8bc850 56 printf("%c", passkey[i]);
cho45 6:f1c3ea8bc850 57 }
cho45 6:f1c3ea8bc850 58 printf("\r\n");
cho45 29:ec548c473d50 59 */
cho45 6:f1c3ea8bc850 60 }
cho45 6:f1c3ea8bc850 61
cho45 6:f1c3ea8bc850 62 static void securitySetupCompletedCallback(Gap::Handle_t handle, SecurityManager::SecurityCompletionStatus_t status) {
cho45 6:f1c3ea8bc850 63 if (status == SecurityManager::SEC_STATUS_SUCCESS) {
cho45 29:ec548c473d50 64 /*
cho45 6:f1c3ea8bc850 65 printf("Security success %d\r\n", status);
cho45 13:b0ffdf2012b9 66 printf("Set whitelist\r\n");
cho45 29:ec548c473d50 67 */
cho45 13:b0ffdf2012b9 68 Gap::Whitelist_t whitelist;
cho45 13:b0ffdf2012b9 69 whitelist.size = 1;
cho45 13:b0ffdf2012b9 70 whitelist.capacity = 1;
cho45 13:b0ffdf2012b9 71 whitelist.addresses = &peerAddress;
cho45 13:b0ffdf2012b9 72
cho45 13:b0ffdf2012b9 73 BLE::Instance(BLE::DEFAULT_INSTANCE).gap().setWhitelist(whitelist);
cho45 29:ec548c473d50 74 //printf("Set Advertising Policy Mode\r\n");
cho45 13:b0ffdf2012b9 75 // BLE::Instance(BLE::DEFAULT_INSTANCE).gap().setAdvertisingPolicyMode(Gap::ADV_POLICY_FILTER_SCAN_REQS);
cho45 13:b0ffdf2012b9 76 // BLE::Instance(BLE::DEFAULT_INSTANCE).gap().setAdvertisingPolicyMode(Gap::ADV_POLICY_FILTER_CONN_REQS);
cho45 13:b0ffdf2012b9 77 BLE::Instance(BLE::DEFAULT_INSTANCE).gap().setAdvertisingPolicyMode(Gap::ADV_POLICY_FILTER_ALL_REQS);
cho45 6:f1c3ea8bc850 78 } else {
cho45 29:ec548c473d50 79 //printf("Security failed %d\r\n", status);
cho45 6:f1c3ea8bc850 80 }
cho45 6:f1c3ea8bc850 81 }
cho45 6:f1c3ea8bc850 82
cho45 6:f1c3ea8bc850 83 static void securitySetupInitiatedCallback(Gap::Handle_t, bool allowBonding, bool requireMITM, SecurityManager::SecurityIOCapabilities_t iocaps) {
cho45 29:ec548c473d50 84 // printf("Security setup initiated\r\n");
cho45 6:f1c3ea8bc850 85 }
cho45 6:f1c3ea8bc850 86
cho45 6:f1c3ea8bc850 87 static void bleInitComplete(BLE::InitializationCompleteCallbackContext *params) {
cho45 6:f1c3ea8bc850 88 // https://developer.mbed.org/compiler/#nav:/keyboard/BLE_API/ble/blecommon.h;
cho45 6:f1c3ea8bc850 89 ble_error_t error;
cho45 6:f1c3ea8bc850 90 BLE &ble = params->ble;
cho45 23:b31957ce64e9 91
cho45 27:7370b8994603 92 controllerStatus = DISCONNECTED;
cho45 16:345eebc4f259 93
cho45 16:345eebc4f259 94 /**< Minimum Connection Interval in 1.25 ms units, see BLE_GAP_CP_LIMITS.*/
cho45 29:ec548c473d50 95 uint16_t minConnectionInterval = Gap::MSEC_TO_GAP_DURATION_UNITS(20);
cho45 16:345eebc4f259 96 /**< Maximum Connection Interval in 1.25 ms units, see BLE_GAP_CP_LIMITS.*/
cho45 29:ec548c473d50 97 uint16_t maxConnectionInterval = Gap::MSEC_TO_GAP_DURATION_UNITS(40);
cho45 16:345eebc4f259 98 /**< Slave Latency in number of connection events, see BLE_GAP_CP_LIMITS.*/
cho45 29:ec548c473d50 99 uint16_t slaveLatency = 4;
cho45 16:345eebc4f259 100 /**< Connection Supervision Timeout in 10 ms units, see BLE_GAP_CP_LIMITS.*/
cho45 16:345eebc4f259 101 uint16_t connectionSupervisionTimeout = 32 * 100;
cho45 16:345eebc4f259 102 Gap::ConnectionParams_t connectionParams = {
cho45 16:345eebc4f259 103 minConnectionInterval,
cho45 16:345eebc4f259 104 maxConnectionInterval,
cho45 16:345eebc4f259 105 slaveLatency,
cho45 16:345eebc4f259 106 connectionSupervisionTimeout
cho45 16:345eebc4f259 107 };
cho45 16:345eebc4f259 108
cho45 6:f1c3ea8bc850 109 error = params->error;
cho45 6:f1c3ea8bc850 110 if (error != BLE_ERROR_NONE) {
cho45 6:f1c3ea8bc850 111 printf("error on ble.init() \r\n");
cho45 6:f1c3ea8bc850 112 goto return_error;
cho45 6:f1c3ea8bc850 113 }
cho45 6:f1c3ea8bc850 114
cho45 6:f1c3ea8bc850 115 ble.gap().onDisconnection(onDisconnect);
cho45 6:f1c3ea8bc850 116 ble.gap().onConnection(onConnect);
cho45 6:f1c3ea8bc850 117 ble.gap().onTimeout(onTimeout);
cho45 6:f1c3ea8bc850 118
cho45 17:3233ee19f716 119 // printf("setup ble security manager\r\n");
cho45 6:f1c3ea8bc850 120 ble.securityManager().onSecuritySetupInitiated(securitySetupInitiatedCallback);
cho45 6:f1c3ea8bc850 121 ble.securityManager().onPasskeyDisplay(passkeyDisplayCallback);
cho45 6:f1c3ea8bc850 122 ble.securityManager().onSecuritySetupCompleted(securitySetupCompletedCallback);
cho45 6:f1c3ea8bc850 123 // bonding with hard-coded passkey.
cho45 6:f1c3ea8bc850 124 error = ble.securityManager().init(ENABLE_BONDING, REQUIRE_MITM, SecurityManager::IO_CAPS_DISPLAY_ONLY, PASSKEY);
cho45 6:f1c3ea8bc850 125 if (error != BLE_ERROR_NONE) {
cho45 6:f1c3ea8bc850 126 printf("error on ble.securityManager().init()");
cho45 6:f1c3ea8bc850 127 goto return_error;
cho45 6:f1c3ea8bc850 128 }
cho45 16:345eebc4f259 129
cho45 6:f1c3ea8bc850 130
cho45 17:3233ee19f716 131 // printf("new KeyboardService\r\n");
cho45 6:f1c3ea8bc850 132 keyboardService = new KeyboardService(ble);
cho45 17:3233ee19f716 133 // printf("new DeviceInformationService\r\n");
cho45 6:f1c3ea8bc850 134 deviceInformationService = new DeviceInformationService(ble, "lowreal.net", MODEL_NAME, SERIAL_NUMBER, HARDWARE_REVISION, FIRMWARE_REVISION, SOFTWARE_REVISION);
cho45 17:3233ee19f716 135 // printf("new BatteryService\r\n");
cho45 6:f1c3ea8bc850 136 batteryService = new BatteryService(ble, 100);
cho45 37:4ce71fa47fc3 137 /** TODO
cho45 16:345eebc4f259 138 printf("new DFUService\r\n");
cho45 16:345eebc4f259 139 dfuService = new DFUService(ble);
cho45 16:345eebc4f259 140 */
cho45 16:345eebc4f259 141
cho45 17:3233ee19f716 142 //printf("setup connection params\r\n");
cho45 16:345eebc4f259 143
cho45 16:345eebc4f259 144 ble.gap().setPreferredConnectionParams(&connectionParams);
cho45 6:f1c3ea8bc850 145
cho45 17:3233ee19f716 146 // printf("general setup\r\n");
cho45 6:f1c3ea8bc850 147 error = ble.gap().accumulateAdvertisingPayload(
cho45 6:f1c3ea8bc850 148 GapAdvertisingData::BREDR_NOT_SUPPORTED |
cho45 6:f1c3ea8bc850 149 GapAdvertisingData::LE_GENERAL_DISCOVERABLE
cho45 6:f1c3ea8bc850 150 );
cho45 9:d1daefbf1fbd 151 // shoud be LE_LIMITED_DISCOVERABLE
cho45 9:d1daefbf1fbd 152 // error = ble.gap().accumulateAdvertisingPayload(
cho45 9:d1daefbf1fbd 153 // GapAdvertisingData::BREDR_NOT_SUPPORTED |
cho45 9:d1daefbf1fbd 154 // GapAdvertisingData::LE_LIMITED_DISCOVERABLE
cho45 9:d1daefbf1fbd 155 // );
cho45 6:f1c3ea8bc850 156 if (error != BLE_ERROR_NONE) goto return_error;
cho45 6:f1c3ea8bc850 157
cho45 17:3233ee19f716 158 // printf("set COMPLETE_LIST_16BIT_SERVICE_IDS\r\n");
cho45 6:f1c3ea8bc850 159 error = ble.gap().accumulateAdvertisingPayload(
cho45 6:f1c3ea8bc850 160 GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS,
cho45 6:f1c3ea8bc850 161 (uint8_t*)uuid16_list, sizeof(uuid16_list)
cho45 6:f1c3ea8bc850 162 );
cho45 6:f1c3ea8bc850 163 if (error != BLE_ERROR_NONE) goto return_error;
cho45 6:f1c3ea8bc850 164
cho45 17:3233ee19f716 165 // printf("set advertising\r\n");
cho45 6:f1c3ea8bc850 166 // see 5.1.2: HID over GATT Specification (pg. 25)
cho45 6:f1c3ea8bc850 167 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
cho45 6:f1c3ea8bc850 168
cho45 17:3233ee19f716 169 // printf("set advertising interval\r\n");
cho45 28:1f843a3daab0 170 ble.gap().setAdvertisingInterval(20);
cho45 17:3233ee19f716 171 // printf("set advertising timeout\r\n");
cho45 38:115875b8cb6c 172 ble.gap().setAdvertisingTimeout(30);
cho45 28:1f843a3daab0 173
cho45 28:1f843a3daab0 174 /*
cho45 28:1f843a3daab0 175 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_DIRECTED);
cho45 28:1f843a3daab0 176 ble.gap().setAdvertisingTimeout(1.28);
cho45 28:1f843a3daab0 177 */
cho45 6:f1c3ea8bc850 178
cho45 17:3233ee19f716 179 // printf("set keyboard\r\n");
cho45 6:f1c3ea8bc850 180 error = ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::KEYBOARD);
cho45 6:f1c3ea8bc850 181 if (error != BLE_ERROR_NONE) goto return_error;
cho45 6:f1c3ea8bc850 182
cho45 17:3233ee19f716 183 // printf("set complete local name\r\n");
cho45 6:f1c3ea8bc850 184 error = ble.gap().accumulateAdvertisingPayload(
cho45 6:f1c3ea8bc850 185 GapAdvertisingData::COMPLETE_LOCAL_NAME,
cho45 6:f1c3ea8bc850 186 DEVICE_NAME, sizeof(DEVICE_NAME)
cho45 6:f1c3ea8bc850 187 );
cho45 6:f1c3ea8bc850 188 if (error != BLE_ERROR_NONE) goto return_error;
cho45 6:f1c3ea8bc850 189
cho45 17:3233ee19f716 190 // printf("set device name\r\n");
cho45 6:f1c3ea8bc850 191 error = ble.gap().setDeviceName(DEVICE_NAME);
cho45 6:f1c3ea8bc850 192 if (error != BLE_ERROR_NONE) goto return_error;
cho45 22:a78f0a91280a 193 /* (Valid values are -40, -20, -16, -12, -8, -4, 0, 4) */
cho45 19:cd7f2fe05ae4 194 ble.gap().setTxPower(0);
cho45 6:f1c3ea8bc850 195
cho45 32:6c0f43fda460 196 ble.gap().setAdvertisingPolicyMode(Gap::ADV_POLICY_IGNORE_WHITELIST);
cho45 23:b31957ce64e9 197
cho45 32:6c0f43fda460 198 // printf("advertising\r\n");
cho45 6:f1c3ea8bc850 199 error = ble.gap().startAdvertising();
cho45 6:f1c3ea8bc850 200 if (error != BLE_ERROR_NONE) goto return_error;
cho45 32:6c0f43fda460 201 controllerStatus = ADVERTISING;
cho45 6:f1c3ea8bc850 202 return;
cho45 6:f1c3ea8bc850 203
cho45 6:f1c3ea8bc850 204 return_error:
cho45 6:f1c3ea8bc850 205 printf("error with %d\r\n", error);
cho45 6:f1c3ea8bc850 206 return;
cho45 6:f1c3ea8bc850 207 }
cho45 6:f1c3ea8bc850 208
cho45 20:d8840ac38434 209 bool HIDController::connected() {
cho45 27:7370b8994603 210 return controllerStatus == CONNECTED;
cho45 27:7370b8994603 211 }
cho45 27:7370b8994603 212
cho45 27:7370b8994603 213 Status_t HIDController::status() {
cho45 27:7370b8994603 214 return controllerStatus;
cho45 20:d8840ac38434 215 }
cho45 20:d8840ac38434 216
cho45 32:6c0f43fda460 217 const char* HIDController::statusString() {
cho45 32:6c0f43fda460 218 static const char* disconnected = "disconnected";
cho45 32:6c0f43fda460 219 static const char* connecting = "connecting";
cho45 32:6c0f43fda460 220 static const char* connected = "connected";
cho45 32:6c0f43fda460 221 static const char* timeout = "timeout";
cho45 32:6c0f43fda460 222 static const char* advertising = "advertising";
cho45 32:6c0f43fda460 223 static const char* unknown = "unknown";
cho45 32:6c0f43fda460 224
cho45 32:6c0f43fda460 225 return controllerStatus == DISCONNECTED ? disconnected:
cho45 32:6c0f43fda460 226 controllerStatus == CONNECTING ? connecting:
cho45 32:6c0f43fda460 227 controllerStatus == CONNECTED ? connected:
cho45 32:6c0f43fda460 228 controllerStatus == TIMEOUT ? timeout:
cho45 32:6c0f43fda460 229 controllerStatus == ADVERTISING ? advertising:
cho45 32:6c0f43fda460 230 unknown;
cho45 32:6c0f43fda460 231 }
cho45 32:6c0f43fda460 232
cho45 6:f1c3ea8bc850 233 void HIDController::init() {
cho45 6:f1c3ea8bc850 234 // https://github.com/jpbrucker/BLE_HID/blob/master/examples/examples_common.cpp
cho45 6:f1c3ea8bc850 235 printf("ble.init\r\n");
cho45 6:f1c3ea8bc850 236
cho45 6:f1c3ea8bc850 237 BLE& ble = BLE::Instance(BLE::DEFAULT_INSTANCE);
cho45 6:f1c3ea8bc850 238 ble.init(bleInitComplete);
cho45 6:f1c3ea8bc850 239
cho45 6:f1c3ea8bc850 240 while (!ble.hasInitialized()) { }
cho45 6:f1c3ea8bc850 241 printf("ble.hasIntialized\r\n");
cho45 6:f1c3ea8bc850 242 }
cho45 6:f1c3ea8bc850 243
cho45 22:a78f0a91280a 244
cho45 10:1aed2481a743 245 void HIDController::waitForEvent() {
cho45 6:f1c3ea8bc850 246 BLE& ble = BLE::Instance(BLE::DEFAULT_INSTANCE);
cho45 21:d801c32231b0 247 keyboardService->stopReportTicker();
cho45 6:f1c3ea8bc850 248 ble.waitForEvent();
cho45 6:f1c3ea8bc850 249 }
cho45 6:f1c3ea8bc850 250
cho45 6:f1c3ea8bc850 251 void HIDController::appendReportData(uint8_t key) {
cho45 6:f1c3ea8bc850 252 if (keyboardService) {
cho45 6:f1c3ea8bc850 253 keyboardService->appendReportData(key);
cho45 6:f1c3ea8bc850 254 }
cho45 6:f1c3ea8bc850 255 }
cho45 6:f1c3ea8bc850 256
cho45 6:f1c3ea8bc850 257 void HIDController::deleteReportData(uint8_t key) {
cho45 6:f1c3ea8bc850 258 if (keyboardService) {
cho45 6:f1c3ea8bc850 259 keyboardService->deleteReportData(key);
cho45 6:f1c3ea8bc850 260 }
cho45 6:f1c3ea8bc850 261 }
cho45 9:d1daefbf1fbd 262
cho45 9:d1daefbf1fbd 263 void HIDController::queueCurrentReportData() {
cho45 29:ec548c473d50 264 if (!connected()) return;
cho45 9:d1daefbf1fbd 265 if (keyboardService) {
cho45 30:f9ebc769118d 266 printf("Q\r\n");
cho45 9:d1daefbf1fbd 267 keyboardService->queueCurrentReportData();
cho45 9:d1daefbf1fbd 268 }
cho45 9:d1daefbf1fbd 269 }
cho45 37:4ce71fa47fc3 270
cho45 37:4ce71fa47fc3 271 void HIDController::updateBatteryLevel(uint8_t percentage) {
cho45 37:4ce71fa47fc3 272 if (!batteryService) return;
cho45 37:4ce71fa47fc3 273 batteryService->updateBatteryLevel(percentage);
cho45 37:4ce71fa47fc3 274 }
cho45 37:4ce71fa47fc3 275
cho45 38:115875b8cb6c 276 void HIDController::initializeConnection() {
cho45 38:115875b8cb6c 277 ble_error_t error;
cho45 38:115875b8cb6c 278 BLE& ble = BLE::Instance(BLE::DEFAULT_INSTANCE);
cho45 38:115875b8cb6c 279 ble.gap().setAdvertisingPolicyMode(Gap::ADV_POLICY_IGNORE_WHITELIST);
cho45 38:115875b8cb6c 280
cho45 38:115875b8cb6c 281 // printf("advertising\r\n");
cho45 38:115875b8cb6c 282 error = ble.gap().startAdvertising();
cho45 38:115875b8cb6c 283 if (error != BLE_ERROR_NONE) goto return_error;
cho45 38:115875b8cb6c 284 controllerStatus = ADVERTISING;
cho45 38:115875b8cb6c 285 return;
cho45 38:115875b8cb6c 286
cho45 38:115875b8cb6c 287 return_error:
cho45 38:115875b8cb6c 288 printf("error with %d\r\n", error);
cho45 38:115875b8cb6c 289 return;
cho45 38:115875b8cb6c 290 }
cho45 38:115875b8cb6c 291