Hiroh Satoh / keyboard Featured

ble nano hid over gatt

Dependencies:   BLE_API mbed-dev nRF51822

HIDController_BLE.cpp@75:351d7ffe81d1, 2016-09-02 (annotated)

Committer:
cho45
Date:
Fri Sep 02 21:16:15 2016 +0900
Revision:
75:351d7ffe81d1
Parent:
74:138d8c31f9f6
Child:
76:8c5b07462dad
update

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 42:2c3be8694896 3
cho45 42:2c3be8694896 4 #include "config.h"
cho45 67:81a545a4963c 5 #include "WatchDog.h"
cho45 6:f1c3ea8bc850 6 #include "KeyboardService.h"
cho45 6:f1c3ea8bc850 7 #include "BatteryService.h"
cho45 6:f1c3ea8bc850 8 #include "DeviceInformationService.h"
cho45 15:70bf079d3ee1 9 #include "DFUService.h"
cho45 6:f1c3ea8bc850 10 #include "HIDController_BLE.h"
cho45 6:f1c3ea8bc850 11
cho45 59:2d6c0bff2151 12 static const char MANUFACTURERERS_NAME[] = "lowreal.net";
cho45 47:5bf2ae8cc710 13 static const char MODEL_NAME[] = "keble";
cho45 6:f1c3ea8bc850 14 static const char SERIAL_NUMBER[] = "X00000";
cho45 6:f1c3ea8bc850 15 static const char HARDWARE_REVISION[] = "0.1";
cho45 6:f1c3ea8bc850 16 static const char FIRMWARE_REVISION[] = "0.1";
cho45 6:f1c3ea8bc850 17 static const char SOFTWARE_REVISION[] = "0.0";
cho45 75:351d7ffe81d1 18 static PnPID_t PNP_ID = {
cho45 75:351d7ffe81d1 19 0x00,
cho45 75:351d7ffe81d1 20 0x0000,
cho45 75:351d7ffe81d1 21 0x0000,
cho45 75:351d7ffe81d1 22 0x00,
cho45 75:351d7ffe81d1 23 };
cho45 6:f1c3ea8bc850 24
cho45 47:5bf2ae8cc710 25 static const uint8_t DEVICE_NAME[] = "Keble";
cho45 6:f1c3ea8bc850 26
cho45 6:f1c3ea8bc850 27 static const bool ENABLE_BONDING = true;
cho45 6:f1c3ea8bc850 28 static const bool REQUIRE_MITM = true;
cho45 6:f1c3ea8bc850 29 static const uint8_t PASSKEY[6] = {'1','2','3','4','5','6'}; // must be 6-digits number
cho45 6:f1c3ea8bc850 30
cho45 6:f1c3ea8bc850 31 static const uint16_t uuid16_list[] = {
cho45 6:f1c3ea8bc850 32 GattService::UUID_HUMAN_INTERFACE_DEVICE_SERVICE,
cho45 6:f1c3ea8bc850 33 GattService::UUID_DEVICE_INFORMATION_SERVICE,
cho45 6:f1c3ea8bc850 34 GattService::UUID_BATTERY_SERVICE
cho45 6:f1c3ea8bc850 35 };
cho45 6:f1c3ea8bc850 36
cho45 6:f1c3ea8bc850 37 static KeyboardService* keyboardService;
cho45 6:f1c3ea8bc850 38 static BatteryService* batteryService;
cho45 6:f1c3ea8bc850 39 static DeviceInformationService* deviceInformationService;
cho45 48:d6938de02f62 40 // static DFUService* dfuService;
cho45 6:f1c3ea8bc850 41
cho45 59:2d6c0bff2151 42
cho45 13:b0ffdf2012b9 43 static BLEProtocol::Address_t peerAddress;
cho45 27:7370b8994603 44
cho45 27:7370b8994603 45 static volatile Status_t controllerStatus;
cho45 13:b0ffdf2012b9 46
cho45 6:f1c3ea8bc850 47 static void onConnect(const Gap::ConnectionCallbackParams_t *params) {
cho45 42:2c3be8694896 48 peerAddress.type = params->peerAddrType;
cho45 42:2c3be8694896 49 memcpy(peerAddress.address, params->peerAddr, Gap::ADDR_LEN);
cho45 73:d36e0b817ebf 50
cho45 73:d36e0b817ebf 51 BLEProtocol::Address_t peerAddresses[2];
cho45 73:d36e0b817ebf 52 Gap::Whitelist_t whitelist;
cho45 73:d36e0b817ebf 53 whitelist.size = 0;
cho45 73:d36e0b817ebf 54 whitelist.capacity = 2;
cho45 73:d36e0b817ebf 55 whitelist.addresses = peerAddresses;
cho45 73:d36e0b817ebf 56 BLE::Instance(BLE::DEFAULT_INSTANCE).gap().getWhitelist(whitelist);
cho45 73:d36e0b817ebf 57 DEBUG_PRINTF_BLE_INTERRUPT("getWhitelist %d\r\n", whitelist.size);
cho45 73:d36e0b817ebf 58 for (int i = 0; i < whitelist.size; i++) {
cho45 73:d36e0b817ebf 59 if (whitelist.addresses[i].type == params->peerAddrType &&
cho45 73:d36e0b817ebf 60 memcmp(whitelist.addresses[i].address, params->peerAddr, Gap::ADDR_LEN) == 0) {
cho45 73:d36e0b817ebf 61
cho45 73:d36e0b817ebf 62 BLE::Instance(BLE::DEFAULT_INSTANCE).gap().setAdvertisingPolicyMode(Gap::ADV_POLICY_FILTER_ALL_REQS);
cho45 73:d36e0b817ebf 63 controllerStatus = CONNECTED;
cho45 73:d36e0b817ebf 64 DEBUG_PRINTF_BLE_INTERRUPT("peer is found in whitelist\r\n");
cho45 73:d36e0b817ebf 65 return;
cho45 73:d36e0b817ebf 66 }
cho45 73:d36e0b817ebf 67 }
cho45 73:d36e0b817ebf 68
cho45 75:351d7ffe81d1 69 controllerStatus = CONNECTING;
cho45 73:d36e0b817ebf 70 DEBUG_PRINTF_BLE_INTERRUPT("peer is not found in whitelist\r\n");
cho45 6:f1c3ea8bc850 71 }
cho45 6:f1c3ea8bc850 72
cho45 6:f1c3ea8bc850 73 static void onDisconnect(const Gap::DisconnectionCallbackParams_t *params) {
cho45 27:7370b8994603 74 controllerStatus = DISCONNECTED;
cho45 42:2c3be8694896 75 DEBUG_PRINTF_BLE_INTERRUPT("onDisconnect\r\n");
cho45 6:f1c3ea8bc850 76 }
cho45 6:f1c3ea8bc850 77
cho45 6:f1c3ea8bc850 78 static void onTimeout(const Gap::TimeoutSource_t source) {
cho45 61:17e9a3afc4f4 79 DEBUG_PRINTF_BLE_INTERRUPT("onTimeout %d\r\n", source);
cho45 61:17e9a3afc4f4 80 switch (source) {
cho45 61:17e9a3afc4f4 81 case Gap::TIMEOUT_SRC_ADVERTISING:
cho45 61:17e9a3afc4f4 82 controllerStatus = TIMEOUT;
cho45 61:17e9a3afc4f4 83 return;
cho45 61:17e9a3afc4f4 84
cho45 61:17e9a3afc4f4 85 // treat following timeout as DISCONNECT (retry advertising)
cho45 61:17e9a3afc4f4 86 case Gap::TIMEOUT_SRC_SECURITY_REQUEST:
cho45 61:17e9a3afc4f4 87 case Gap::TIMEOUT_SRC_SCAN:
cho45 61:17e9a3afc4f4 88 case Gap::TIMEOUT_SRC_CONN:
cho45 61:17e9a3afc4f4 89 controllerStatus = DISCONNECTED;
cho45 61:17e9a3afc4f4 90 return;
cho45 61:17e9a3afc4f4 91 }
cho45 6:f1c3ea8bc850 92 }
cho45 6:f1c3ea8bc850 93
cho45 6:f1c3ea8bc850 94 static void passkeyDisplayCallback(Gap::Handle_t handle, const SecurityManager::Passkey_t passkey) {
cho45 42:2c3be8694896 95 DEBUG_PRINTF_BLE_INTERRUPT("Input passKey: ");
cho45 6:f1c3ea8bc850 96 for (unsigned i = 0; i < Gap::ADDR_LEN; i++) {
cho45 42:2c3be8694896 97 DEBUG_PRINTF_BLE_INTERRUPT("%c", passkey[i]);
cho45 6:f1c3ea8bc850 98 }
cho45 42:2c3be8694896 99 DEBUG_PRINTF_BLE_INTERRUPT("\r\n");
cho45 6:f1c3ea8bc850 100 }
cho45 6:f1c3ea8bc850 101
cho45 6:f1c3ea8bc850 102 static void securitySetupCompletedCallback(Gap::Handle_t handle, SecurityManager::SecurityCompletionStatus_t status) {
cho45 6:f1c3ea8bc850 103 if (status == SecurityManager::SEC_STATUS_SUCCESS) {
cho45 42:2c3be8694896 104 DEBUG_PRINTF_BLE_INTERRUPT("Security success %d\r\n", status);
cho45 42:2c3be8694896 105 DEBUG_PRINTF_BLE_INTERRUPT("Set whitelist\r\n");
cho45 13:b0ffdf2012b9 106 Gap::Whitelist_t whitelist;
cho45 13:b0ffdf2012b9 107 whitelist.size = 1;
cho45 13:b0ffdf2012b9 108 whitelist.capacity = 1;
cho45 13:b0ffdf2012b9 109 whitelist.addresses = &peerAddress;
cho45 13:b0ffdf2012b9 110
cho45 13:b0ffdf2012b9 111 BLE::Instance(BLE::DEFAULT_INSTANCE).gap().setWhitelist(whitelist);
cho45 42:2c3be8694896 112 DEBUG_PRINTF_BLE_INTERRUPT("Set Advertising Policy Mode\r\n");
cho45 13:b0ffdf2012b9 113 // BLE::Instance(BLE::DEFAULT_INSTANCE).gap().setAdvertisingPolicyMode(Gap::ADV_POLICY_FILTER_SCAN_REQS);
cho45 13:b0ffdf2012b9 114 // BLE::Instance(BLE::DEFAULT_INSTANCE).gap().setAdvertisingPolicyMode(Gap::ADV_POLICY_FILTER_CONN_REQS);
cho45 13:b0ffdf2012b9 115 BLE::Instance(BLE::DEFAULT_INSTANCE).gap().setAdvertisingPolicyMode(Gap::ADV_POLICY_FILTER_ALL_REQS);
cho45 73:d36e0b817ebf 116 controllerStatus = CONNECTED;
cho45 6:f1c3ea8bc850 117 } else {
cho45 42:2c3be8694896 118 DEBUG_PRINTF_BLE_INTERRUPT("Security failed %d\r\n", status);
cho45 6:f1c3ea8bc850 119 }
cho45 6:f1c3ea8bc850 120 }
cho45 6:f1c3ea8bc850 121
cho45 6:f1c3ea8bc850 122 static void securitySetupInitiatedCallback(Gap::Handle_t, bool allowBonding, bool requireMITM, SecurityManager::SecurityIOCapabilities_t iocaps) {
cho45 42:2c3be8694896 123 DEBUG_PRINTF_BLE_INTERRUPT("Security setup initiated\r\n");
cho45 6:f1c3ea8bc850 124 }
cho45 6:f1c3ea8bc850 125
cho45 6:f1c3ea8bc850 126 static void bleInitComplete(BLE::InitializationCompleteCallbackContext *params) {
cho45 6:f1c3ea8bc850 127 // https://developer.mbed.org/compiler/#nav:/keyboard/BLE_API/ble/blecommon.h;
cho45 6:f1c3ea8bc850 128 ble_error_t error;
cho45 6:f1c3ea8bc850 129 BLE &ble = params->ble;
cho45 23:b31957ce64e9 130
cho45 27:7370b8994603 131 controllerStatus = DISCONNECTED;
cho45 16:345eebc4f259 132
cho45 16:345eebc4f259 133 /**< Minimum Connection Interval in 1.25 ms units, see BLE_GAP_CP_LIMITS.*/
cho45 66:a7c6fbe45cf5 134 uint16_t minConnectionInterval = Gap::MSEC_TO_GAP_DURATION_UNITS(15);
cho45 65:391ce51e37cc 135 /**< Maximum Connection Interval in 1.25 ms units, see BLE_GAP_CP_LIMITS.*/
cho45 66:a7c6fbe45cf5 136 uint16_t maxConnectionInterval = Gap::MSEC_TO_GAP_DURATION_UNITS(20);
cho45 65:391ce51e37cc 137 /**< Slave Latency in number of connection events, see BLE_GAP_CP_LIMITS.*/
cho45 65:391ce51e37cc 138 uint16_t slaveLatency = 4;
cho45 65:391ce51e37cc 139 /**< Connection Supervision Timeout in 10 ms units, see BLE_GAP_CP_LIMITS.*/
cho45 65:391ce51e37cc 140 uint16_t connectionSupervisionTimeout = 32 * 100;
cho45 65:391ce51e37cc 141 Gap::ConnectionParams_t connectionParams = {
cho45 65:391ce51e37cc 142 minConnectionInterval,
cho45 65:391ce51e37cc 143 maxConnectionInterval,
cho45 65:391ce51e37cc 144 slaveLatency,
cho45 65:391ce51e37cc 145 connectionSupervisionTimeout
cho45 65:391ce51e37cc 146 };
cho45 65:391ce51e37cc 147
cho45 6:f1c3ea8bc850 148 error = params->error;
cho45 6:f1c3ea8bc850 149 if (error != BLE_ERROR_NONE) {
cho45 42:2c3be8694896 150 DEBUG_PRINTF_BLE("error on ble.init() \r\n");
cho45 6:f1c3ea8bc850 151 goto return_error;
cho45 6:f1c3ea8bc850 152 }
cho45 6:f1c3ea8bc850 153
cho45 6:f1c3ea8bc850 154 ble.gap().onDisconnection(onDisconnect);
cho45 6:f1c3ea8bc850 155 ble.gap().onConnection(onConnect);
cho45 6:f1c3ea8bc850 156 ble.gap().onTimeout(onTimeout);
cho45 6:f1c3ea8bc850 157
cho45 42:2c3be8694896 158 // DEBUG_PRINTF_BLE("setup ble security manager\r\n");
cho45 6:f1c3ea8bc850 159 ble.securityManager().onSecuritySetupInitiated(securitySetupInitiatedCallback);
cho45 6:f1c3ea8bc850 160 ble.securityManager().onPasskeyDisplay(passkeyDisplayCallback);
cho45 6:f1c3ea8bc850 161 ble.securityManager().onSecuritySetupCompleted(securitySetupCompletedCallback);
cho45 6:f1c3ea8bc850 162 // bonding with hard-coded passkey.
cho45 57:ae521136842c 163 error = ble.securityManager().init(ENABLE_BONDING, REQUIRE_MITM, SecurityManager::IO_CAPS_DISPLAY_ONLY, PASSKEY);
cho45 6:f1c3ea8bc850 164 if (error != BLE_ERROR_NONE) {
cho45 42:2c3be8694896 165 DEBUG_PRINTF_BLE("error on ble.securityManager().init()");
cho45 6:f1c3ea8bc850 166 goto return_error;
cho45 6:f1c3ea8bc850 167 }
cho45 16:345eebc4f259 168
cho45 42:2c3be8694896 169 // DEBUG_PRINTF_BLE("new KeyboardService\r\n");
cho45 6:f1c3ea8bc850 170 keyboardService = new KeyboardService(ble);
cho45 42:2c3be8694896 171 // DEBUG_PRINTF_BLE("new DeviceInformationService\r\n");
cho45 75:351d7ffe81d1 172 deviceInformationService = new DeviceInformationService(ble, MANUFACTURERERS_NAME, MODEL_NAME, SERIAL_NUMBER, HARDWARE_REVISION, FIRMWARE_REVISION, SOFTWARE_REVISION, &PNP_ID);
cho45 42:2c3be8694896 173 // DEBUG_PRINTF_BLE("new BatteryService\r\n");
cho45 6:f1c3ea8bc850 174 batteryService = new BatteryService(ble, 100);
cho45 37:4ce71fa47fc3 175 /** TODO
cho45 42:2c3be8694896 176 DEBUG_PRINTF_BLE("new DFUService\r\n");
cho45 16:345eebc4f259 177 dfuService = new DFUService(ble);
cho45 16:345eebc4f259 178 */
cho45 16:345eebc4f259 179
cho45 42:2c3be8694896 180 //DEBUG_PRINTF_BLE("setup connection params\r\n");
cho45 16:345eebc4f259 181
cho45 65:391ce51e37cc 182 ble.gap().setPreferredConnectionParams(&connectionParams);
cho45 6:f1c3ea8bc850 183
cho45 42:2c3be8694896 184 // DEBUG_PRINTF_BLE("general setup\r\n");
cho45 65:391ce51e37cc 185 // error = ble.gap().accumulateAdvertisingPayload(
cho45 65:391ce51e37cc 186 // GapAdvertisingData::BREDR_NOT_SUPPORTED |
cho45 65:391ce51e37cc 187 // GapAdvertisingData::LE_GENERAL_DISCOVERABLE
cho45 65:391ce51e37cc 188 // );
cho45 65:391ce51e37cc 189 // shoud be LE_LIMITED_DISCOVERABLE
cho45 6:f1c3ea8bc850 190 error = ble.gap().accumulateAdvertisingPayload(
cho45 6:f1c3ea8bc850 191 GapAdvertisingData::BREDR_NOT_SUPPORTED |
cho45 65:391ce51e37cc 192 GapAdvertisingData::LE_LIMITED_DISCOVERABLE
cho45 6:f1c3ea8bc850 193 );
cho45 6:f1c3ea8bc850 194 if (error != BLE_ERROR_NONE) goto return_error;
cho45 6:f1c3ea8bc850 195
cho45 42:2c3be8694896 196 // DEBUG_PRINTF_BLE("set COMPLETE_LIST_16BIT_SERVICE_IDS\r\n");
cho45 6:f1c3ea8bc850 197 error = ble.gap().accumulateAdvertisingPayload(
cho45 6:f1c3ea8bc850 198 GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS,
cho45 6:f1c3ea8bc850 199 (uint8_t*)uuid16_list, sizeof(uuid16_list)
cho45 6:f1c3ea8bc850 200 );
cho45 6:f1c3ea8bc850 201 if (error != BLE_ERROR_NONE) goto return_error;
cho45 6:f1c3ea8bc850 202
cho45 42:2c3be8694896 203 // DEBUG_PRINTF_BLE("set advertising\r\n");
cho45 6:f1c3ea8bc850 204 // see 5.1.2: HID over GATT Specification (pg. 25)
cho45 6:f1c3ea8bc850 205 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
cho45 6:f1c3ea8bc850 206
cho45 42:2c3be8694896 207 // DEBUG_PRINTF_BLE("set advertising interval\r\n");
cho45 28:1f843a3daab0 208 ble.gap().setAdvertisingInterval(20);
cho45 42:2c3be8694896 209 // DEBUG_PRINTF_BLE("set advertising timeout\r\n");
cho45 38:115875b8cb6c 210 ble.gap().setAdvertisingTimeout(30);
cho45 28:1f843a3daab0 211
cho45 28:1f843a3daab0 212 /*
cho45 28:1f843a3daab0 213 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_DIRECTED);
cho45 28:1f843a3daab0 214 ble.gap().setAdvertisingTimeout(1.28);
cho45 28:1f843a3daab0 215 */
cho45 6:f1c3ea8bc850 216
cho45 42:2c3be8694896 217 // DEBUG_PRINTF_BLE("set keyboard\r\n");
cho45 6:f1c3ea8bc850 218 error = ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::KEYBOARD);
cho45 6:f1c3ea8bc850 219 if (error != BLE_ERROR_NONE) goto return_error;
cho45 6:f1c3ea8bc850 220
cho45 42:2c3be8694896 221 // DEBUG_PRINTF_BLE("set complete local name\r\n");
cho45 6:f1c3ea8bc850 222 error = ble.gap().accumulateAdvertisingPayload(
cho45 6:f1c3ea8bc850 223 GapAdvertisingData::COMPLETE_LOCAL_NAME,
cho45 6:f1c3ea8bc850 224 DEVICE_NAME, sizeof(DEVICE_NAME)
cho45 6:f1c3ea8bc850 225 );
cho45 6:f1c3ea8bc850 226 if (error != BLE_ERROR_NONE) goto return_error;
cho45 6:f1c3ea8bc850 227
cho45 42:2c3be8694896 228 // DEBUG_PRINTF_BLE("set device name\r\n");
cho45 6:f1c3ea8bc850 229 error = ble.gap().setDeviceName(DEVICE_NAME);
cho45 6:f1c3ea8bc850 230 if (error != BLE_ERROR_NONE) goto return_error;
cho45 22:a78f0a91280a 231 /* (Valid values are -40, -20, -16, -12, -8, -4, 0, 4) */
cho45 19:cd7f2fe05ae4 232 ble.gap().setTxPower(0);
cho45 6:f1c3ea8bc850 233
cho45 73:d36e0b817ebf 234 {
cho45 73:d36e0b817ebf 235 BLEProtocol::Address_t peerAddresses[2];
cho45 73:d36e0b817ebf 236 Gap::Whitelist_t whitelist;
cho45 73:d36e0b817ebf 237 whitelist.size = 0;
cho45 73:d36e0b817ebf 238 whitelist.capacity = 2;
cho45 73:d36e0b817ebf 239 whitelist.addresses = peerAddresses;
cho45 73:d36e0b817ebf 240 error = ble.securityManager().getAddressesFromBondTable(whitelist);
cho45 73:d36e0b817ebf 241 DEBUG_PRINTF_BLE("getAddressesFromBondTable %d\r\n", whitelist.size);
cho45 73:d36e0b817ebf 242 BLE::Instance(BLE::DEFAULT_INSTANCE).gap().setWhitelist(whitelist);
cho45 73:d36e0b817ebf 243 // for (int i = 0; i < whitelist.size; i++) {
cho45 73:d36e0b817ebf 244 // whitelist.addresses[i]
cho45 73:d36e0b817ebf 245 // }
cho45 73:d36e0b817ebf 246 }
cho45 73:d36e0b817ebf 247
cho45 32:6c0f43fda460 248 ble.gap().setAdvertisingPolicyMode(Gap::ADV_POLICY_IGNORE_WHITELIST);
cho45 23:b31957ce64e9 249
cho45 42:2c3be8694896 250 // DEBUG_PRINTF_BLE("advertising\r\n");
cho45 6:f1c3ea8bc850 251 error = ble.gap().startAdvertising();
cho45 6:f1c3ea8bc850 252 if (error != BLE_ERROR_NONE) goto return_error;
cho45 32:6c0f43fda460 253 controllerStatus = ADVERTISING;
cho45 6:f1c3ea8bc850 254 return;
cho45 6:f1c3ea8bc850 255
cho45 6:f1c3ea8bc850 256 return_error:
cho45 42:2c3be8694896 257 DEBUG_PRINTF_BLE("error with %d\r\n", error);
cho45 6:f1c3ea8bc850 258 return;
cho45 6:f1c3ea8bc850 259 }
cho45 6:f1c3ea8bc850 260
cho45 20:d8840ac38434 261 bool HIDController::connected() {
cho45 27:7370b8994603 262 return controllerStatus == CONNECTED;
cho45 27:7370b8994603 263 }
cho45 27:7370b8994603 264
cho45 27:7370b8994603 265 Status_t HIDController::status() {
cho45 27:7370b8994603 266 return controllerStatus;
cho45 20:d8840ac38434 267 }
cho45 20:d8840ac38434 268
cho45 32:6c0f43fda460 269 const char* HIDController::statusString() {
cho45 59:2d6c0bff2151 270 static const char* const disconnected = "disconnected";
cho45 59:2d6c0bff2151 271 static const char* const connecting = "connecting";
cho45 59:2d6c0bff2151 272 static const char* const connected = "connected";
cho45 59:2d6c0bff2151 273 static const char* const timeout = "timeout";
cho45 59:2d6c0bff2151 274 static const char* const advertising = "advertising";
cho45 59:2d6c0bff2151 275 static const char* const unknown = "unknown";
cho45 32:6c0f43fda460 276
cho45 32:6c0f43fda460 277 return controllerStatus == DISCONNECTED ? disconnected:
cho45 32:6c0f43fda460 278 controllerStatus == CONNECTING ? connecting:
cho45 32:6c0f43fda460 279 controllerStatus == CONNECTED ? connected:
cho45 32:6c0f43fda460 280 controllerStatus == TIMEOUT ? timeout:
cho45 32:6c0f43fda460 281 controllerStatus == ADVERTISING ? advertising:
cho45 32:6c0f43fda460 282 unknown;
cho45 32:6c0f43fda460 283 }
cho45 32:6c0f43fda460 284
cho45 6:f1c3ea8bc850 285 void HIDController::init() {
cho45 6:f1c3ea8bc850 286 // https://github.com/jpbrucker/BLE_HID/blob/master/examples/examples_common.cpp
cho45 42:2c3be8694896 287 DEBUG_PRINTF_BLE("ble.init\r\n");
cho45 6:f1c3ea8bc850 288
cho45 6:f1c3ea8bc850 289 BLE& ble = BLE::Instance(BLE::DEFAULT_INSTANCE);
cho45 6:f1c3ea8bc850 290 ble.init(bleInitComplete);
cho45 46:b8f4c050739a 291
cho45 46:b8f4c050739a 292 // copied from https://github.com/lancaster-university/microbit-dal/commit/3c314794f07e5ac91331c9e9849475375708ec89
cho45 46:b8f4c050739a 293 // configure the stack to hold on to CPU during critical timing events.
cho45 46:b8f4c050739a 294 // mbed-classic performs __disabe_irq calls in its timers, which can cause MIC failures
cho45 46:b8f4c050739a 295 // on secure BLE channels.
cho45 65:391ce51e37cc 296 ble_common_opt_radio_cpu_mutex_t opt;
cho45 65:391ce51e37cc 297 opt.enable = 1;
cho45 65:391ce51e37cc 298 sd_ble_opt_set(BLE_COMMON_OPT_RADIO_CPU_MUTEX, (const ble_opt_t *)&opt);
cho45 46:b8f4c050739a 299
cho45 6:f1c3ea8bc850 300 while (!ble.hasInitialized()) { }
cho45 42:2c3be8694896 301 DEBUG_PRINTF_BLE("ble.hasIntialized\r\n");
cho45 6:f1c3ea8bc850 302 }
cho45 6:f1c3ea8bc850 303
cho45 22:a78f0a91280a 304
cho45 10:1aed2481a743 305 void HIDController::waitForEvent() {
cho45 6:f1c3ea8bc850 306 BLE& ble = BLE::Instance(BLE::DEFAULT_INSTANCE);
cho45 68:13e2343452d5 307
cho45 69:9d6ecd584a0c 308 WatchDog::reload();
cho45 69:9d6ecd584a0c 309
cho45 45:f4be69c936f6 310 keyboardService->processSend();
cho45 58:64df960619ce 311 if (DEBUG_BLE_INTERRUPT) {
cho45 58:64df960619ce 312 ble.waitForEvent();
cho45 58:64df960619ce 313 } else {
cho45 58:64df960619ce 314 // disable internal HFCLK RC Clock surely. It consume 1mA constantly
cho45 58:64df960619ce 315 // TWI / SPI / UART must be disabled and boot without debug mode
cho45 58:64df960619ce 316 while (NRF_UART0->EVENTS_TXDRDY != 1);
cho45 58:64df960619ce 317
cho45 58:64df960619ce 318 const uint32_t tx = NRF_UART0->PSELTXD;
cho45 58:64df960619ce 319
cho45 58:64df960619ce 320 NRF_UART0->TASKS_STOPTX = 1;
cho45 58:64df960619ce 321 NRF_UART0->ENABLE = (UART_ENABLE_ENABLE_Disabled << UART_ENABLE_ENABLE_Pos);
cho45 58:64df960619ce 322
cho45 58:64df960619ce 323 ble.waitForEvent();
cho45 58:64df960619ce 324
cho45 58:64df960619ce 325 NRF_UART0->ENABLE = (UART_ENABLE_ENABLE_Enabled << UART_ENABLE_ENABLE_Pos);
cho45 58:64df960619ce 326 NRF_UART0->TASKS_STARTTX = 1;
cho45 58:64df960619ce 327 // dummy send to wakeup...
cho45 58:64df960619ce 328 NRF_UART0->PSELTXD = 0xFFFFFFFF;
cho45 58:64df960619ce 329 NRF_UART0->EVENTS_TXDRDY = 0;
cho45 58:64df960619ce 330 NRF_UART0->TXD = 0;
cho45 58:64df960619ce 331 while (NRF_UART0->EVENTS_TXDRDY != 1);
cho45 58:64df960619ce 332 NRF_UART0->PSELTXD = tx;
cho45 58:64df960619ce 333 }
cho45 6:f1c3ea8bc850 334 }
cho45 6:f1c3ea8bc850 335
cho45 48:d6938de02f62 336 void HIDController::appendReportData(const uint8_t key) {
cho45 6:f1c3ea8bc850 337 if (keyboardService) {
cho45 6:f1c3ea8bc850 338 keyboardService->appendReportData(key);
cho45 6:f1c3ea8bc850 339 }
cho45 6:f1c3ea8bc850 340 }
cho45 6:f1c3ea8bc850 341
cho45 48:d6938de02f62 342 void HIDController::deleteReportData(const uint8_t key) {
cho45 6:f1c3ea8bc850 343 if (keyboardService) {
cho45 6:f1c3ea8bc850 344 keyboardService->deleteReportData(key);
cho45 6:f1c3ea8bc850 345 }
cho45 6:f1c3ea8bc850 346 }
cho45 9:d1daefbf1fbd 347
cho45 9:d1daefbf1fbd 348 void HIDController::queueCurrentReportData() {
cho45 29:ec548c473d50 349 if (!connected()) return;
cho45 9:d1daefbf1fbd 350 if (keyboardService) {
cho45 60:b899414e1d34 351 DEBUG_PRINTF_BLE("Q %d\r\n", keyboardService->bufferCount);
cho45 9:d1daefbf1fbd 352 keyboardService->queueCurrentReportData();
cho45 9:d1daefbf1fbd 353 }
cho45 9:d1daefbf1fbd 354 }
cho45 37:4ce71fa47fc3 355
cho45 58:64df960619ce 356 void HIDController::updateBatteryLevel(const uint8_t percentage, const uint16_t voltage) {
cho45 37:4ce71fa47fc3 357 if (!batteryService) return;
cho45 68:13e2343452d5 358 DEBUG_PRINTF_BLE("updateBatteryLevel\r\n");
cho45 58:64df960619ce 359 batteryService->updateBatteryLevel(percentage, voltage);
cho45 37:4ce71fa47fc3 360 }
cho45 37:4ce71fa47fc3 361
cho45 48:d6938de02f62 362 void HIDController::initializeConnection(const bool ignoreWhiteList = false) {
cho45 38:115875b8cb6c 363 ble_error_t error;
cho45 38:115875b8cb6c 364 BLE& ble = BLE::Instance(BLE::DEFAULT_INSTANCE);
cho45 39:b7889285c9ef 365 ble.gap().setAdvertisingInterval(20);
cho45 39:b7889285c9ef 366 ble.gap().setAdvertisingTimeout(30);
cho45 40:364deaa190fe 367 if (ignoreWhiteList) {
cho45 40:364deaa190fe 368 ble.gap().setAdvertisingPolicyMode(Gap::ADV_POLICY_IGNORE_WHITELIST);
cho45 40:364deaa190fe 369 }
cho45 38:115875b8cb6c 370
cho45 42:2c3be8694896 371 // DEBUG_PRINTF_BLE("advertising\r\n");
cho45 38:115875b8cb6c 372 error = ble.gap().startAdvertising();
cho45 38:115875b8cb6c 373 if (error != BLE_ERROR_NONE) goto return_error;
cho45 38:115875b8cb6c 374 controllerStatus = ADVERTISING;
cho45 38:115875b8cb6c 375 return;
cho45 38:115875b8cb6c 376
cho45 38:115875b8cb6c 377 return_error:
cho45 42:2c3be8694896 378 DEBUG_PRINTF_BLE("error with %d\r\n", error);
cho45 38:115875b8cb6c 379 return;
cho45 65:391ce51e37cc 380 }