ble nano hid over gatt
Dependencies: BLE_API mbed-dev nRF51822
HIDController_BLE.cpp@65:391ce51e37cc, 2016-09-02 (annotated)
- Committer:
- cho45
- Date:
- Fri Sep 02 03:24:36 2016 +0900
- Revision:
- 65:391ce51e37cc
- Parent:
- 62:51a4d49e5ae0
- Child:
- 66:a7c6fbe45cf5
update
Who changed what in which revision?
User | Revision | Line number | New 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 |
6:f1c3ea8bc850 | 5 | #include "KeyboardService.h" |
cho45 |
6:f1c3ea8bc850 | 6 | #include "BatteryService.h" |
cho45 |
6:f1c3ea8bc850 | 7 | #include "DeviceInformationService.h" |
cho45 | 15:70bf079d3ee1 | 8 | #include "DFUService.h" |
cho45 |
6:f1c3ea8bc850 | 9 | #include "HIDController_BLE.h" |
cho45 |
6:f1c3ea8bc850 | 10 | |
cho45 | 59:2d6c0bff2151 | 11 | static const char MANUFACTURERERS_NAME[] = "lowreal.net"; |
cho45 | 47:5bf2ae8cc710 | 12 | static const char MODEL_NAME[] = "keble"; |
cho45 |
6:f1c3ea8bc850 | 13 | static const char SERIAL_NUMBER[] = "X00000"; |
cho45 |
6:f1c3ea8bc850 | 14 | static const char HARDWARE_REVISION[] = "0.1"; |
cho45 |
6:f1c3ea8bc850 | 15 | static const char FIRMWARE_REVISION[] = "0.1"; |
cho45 |
6:f1c3ea8bc850 | 16 | static const char SOFTWARE_REVISION[] = "0.0"; |
cho45 |
6:f1c3ea8bc850 | 17 | |
cho45 | 47:5bf2ae8cc710 | 18 | static const uint8_t DEVICE_NAME[] = "Keble"; |
cho45 |
6:f1c3ea8bc850 | 19 | |
cho45 |
6:f1c3ea8bc850 | 20 | static const bool ENABLE_BONDING = true; |
cho45 |
6:f1c3ea8bc850 | 21 | static const bool REQUIRE_MITM = true; |
cho45 |
6:f1c3ea8bc850 | 22 | static const uint8_t PASSKEY[6] = {'1','2','3','4','5','6'}; // must be 6-digits number |
cho45 |
6:f1c3ea8bc850 | 23 | |
cho45 |
6:f1c3ea8bc850 | 24 | static const uint16_t uuid16_list[] = { |
cho45 |
6:f1c3ea8bc850 | 25 | GattService::UUID_HUMAN_INTERFACE_DEVICE_SERVICE, |
cho45 |
6:f1c3ea8bc850 | 26 | GattService::UUID_DEVICE_INFORMATION_SERVICE, |
cho45 |
6:f1c3ea8bc850 | 27 | GattService::UUID_BATTERY_SERVICE |
cho45 |
6:f1c3ea8bc850 | 28 | }; |
cho45 |
6:f1c3ea8bc850 | 29 | |
cho45 |
6:f1c3ea8bc850 | 30 | static KeyboardService* keyboardService; |
cho45 |
6:f1c3ea8bc850 | 31 | static BatteryService* batteryService; |
cho45 |
6:f1c3ea8bc850 | 32 | static DeviceInformationService* deviceInformationService; |
cho45 | 48:d6938de02f62 | 33 | // static DFUService* dfuService; |
cho45 |
6:f1c3ea8bc850 | 34 | |
cho45 | 59:2d6c0bff2151 | 35 | |
cho45 | 13:b0ffdf2012b9 | 36 | static BLEProtocol::Address_t peerAddress; |
cho45 | 27:7370b8994603 | 37 | |
cho45 | 27:7370b8994603 | 38 | static volatile Status_t controllerStatus; |
cho45 | 13:b0ffdf2012b9 | 39 | |
cho45 |
6:f1c3ea8bc850 | 40 | static void onConnect(const Gap::ConnectionCallbackParams_t *params) { |
cho45 | 42:2c3be8694896 | 41 | peerAddress.type = params->peerAddrType; |
cho45 | 42:2c3be8694896 | 42 | memcpy(peerAddress.address, params->peerAddr, Gap::ADDR_LEN); |
cho45 | 42:2c3be8694896 | 43 | // 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 | 44 | controllerStatus = CONNECTED; |
cho45 |
6:f1c3ea8bc850 | 45 | } |
cho45 |
6:f1c3ea8bc850 | 46 | |
cho45 |
6:f1c3ea8bc850 | 47 | static void onDisconnect(const Gap::DisconnectionCallbackParams_t *params) { |
cho45 | 27:7370b8994603 | 48 | controllerStatus = DISCONNECTED; |
cho45 | 42:2c3be8694896 | 49 | DEBUG_PRINTF_BLE_INTERRUPT("onDisconnect\r\n"); |
cho45 |
6:f1c3ea8bc850 | 50 | } |
cho45 |
6:f1c3ea8bc850 | 51 | |
cho45 |
6:f1c3ea8bc850 | 52 | static void onTimeout(const Gap::TimeoutSource_t source) { |
cho45 | 61:17e9a3afc4f4 | 53 | DEBUG_PRINTF_BLE_INTERRUPT("onTimeout %d\r\n", source); |
cho45 | 61:17e9a3afc4f4 | 54 | switch (source) { |
cho45 | 61:17e9a3afc4f4 | 55 | case Gap::TIMEOUT_SRC_ADVERTISING: |
cho45 | 61:17e9a3afc4f4 | 56 | controllerStatus = TIMEOUT; |
cho45 | 61:17e9a3afc4f4 | 57 | return; |
cho45 | 61:17e9a3afc4f4 | 58 | |
cho45 | 61:17e9a3afc4f4 | 59 | // treat following timeout as DISCONNECT (retry advertising) |
cho45 | 61:17e9a3afc4f4 | 60 | case Gap::TIMEOUT_SRC_SECURITY_REQUEST: |
cho45 | 61:17e9a3afc4f4 | 61 | case Gap::TIMEOUT_SRC_SCAN: |
cho45 | 61:17e9a3afc4f4 | 62 | case Gap::TIMEOUT_SRC_CONN: |
cho45 | 61:17e9a3afc4f4 | 63 | controllerStatus = DISCONNECTED; |
cho45 | 61:17e9a3afc4f4 | 64 | return; |
cho45 | 61:17e9a3afc4f4 | 65 | } |
cho45 |
6:f1c3ea8bc850 | 66 | } |
cho45 |
6:f1c3ea8bc850 | 67 | |
cho45 |
6:f1c3ea8bc850 | 68 | static void passkeyDisplayCallback(Gap::Handle_t handle, const SecurityManager::Passkey_t passkey) { |
cho45 | 42:2c3be8694896 | 69 | DEBUG_PRINTF_BLE_INTERRUPT("Input passKey: "); |
cho45 |
6:f1c3ea8bc850 | 70 | for (unsigned i = 0; i < Gap::ADDR_LEN; i++) { |
cho45 | 42:2c3be8694896 | 71 | DEBUG_PRINTF_BLE_INTERRUPT("%c", passkey[i]); |
cho45 |
6:f1c3ea8bc850 | 72 | } |
cho45 | 42:2c3be8694896 | 73 | DEBUG_PRINTF_BLE_INTERRUPT("\r\n"); |
cho45 |
6:f1c3ea8bc850 | 74 | } |
cho45 |
6:f1c3ea8bc850 | 75 | |
cho45 |
6:f1c3ea8bc850 | 76 | static void securitySetupCompletedCallback(Gap::Handle_t handle, SecurityManager::SecurityCompletionStatus_t status) { |
cho45 |
6:f1c3ea8bc850 | 77 | if (status == SecurityManager::SEC_STATUS_SUCCESS) { |
cho45 | 42:2c3be8694896 | 78 | DEBUG_PRINTF_BLE_INTERRUPT("Security success %d\r\n", status); |
cho45 | 42:2c3be8694896 | 79 | DEBUG_PRINTF_BLE_INTERRUPT("Set whitelist\r\n"); |
cho45 | 13:b0ffdf2012b9 | 80 | Gap::Whitelist_t whitelist; |
cho45 | 13:b0ffdf2012b9 | 81 | whitelist.size = 1; |
cho45 | 13:b0ffdf2012b9 | 82 | whitelist.capacity = 1; |
cho45 | 13:b0ffdf2012b9 | 83 | whitelist.addresses = &peerAddress; |
cho45 | 13:b0ffdf2012b9 | 84 | |
cho45 | 13:b0ffdf2012b9 | 85 | BLE::Instance(BLE::DEFAULT_INSTANCE).gap().setWhitelist(whitelist); |
cho45 | 42:2c3be8694896 | 86 | DEBUG_PRINTF_BLE_INTERRUPT("Set Advertising Policy Mode\r\n"); |
cho45 | 13:b0ffdf2012b9 | 87 | // BLE::Instance(BLE::DEFAULT_INSTANCE).gap().setAdvertisingPolicyMode(Gap::ADV_POLICY_FILTER_SCAN_REQS); |
cho45 | 13:b0ffdf2012b9 | 88 | // BLE::Instance(BLE::DEFAULT_INSTANCE).gap().setAdvertisingPolicyMode(Gap::ADV_POLICY_FILTER_CONN_REQS); |
cho45 | 13:b0ffdf2012b9 | 89 | BLE::Instance(BLE::DEFAULT_INSTANCE).gap().setAdvertisingPolicyMode(Gap::ADV_POLICY_FILTER_ALL_REQS); |
cho45 |
6:f1c3ea8bc850 | 90 | } else { |
cho45 | 42:2c3be8694896 | 91 | DEBUG_PRINTF_BLE_INTERRUPT("Security failed %d\r\n", status); |
cho45 |
6:f1c3ea8bc850 | 92 | } |
cho45 |
6:f1c3ea8bc850 | 93 | } |
cho45 |
6:f1c3ea8bc850 | 94 | |
cho45 |
6:f1c3ea8bc850 | 95 | static void securitySetupInitiatedCallback(Gap::Handle_t, bool allowBonding, bool requireMITM, SecurityManager::SecurityIOCapabilities_t iocaps) { |
cho45 | 42:2c3be8694896 | 96 | DEBUG_PRINTF_BLE_INTERRUPT("Security setup initiated\r\n"); |
cho45 |
6:f1c3ea8bc850 | 97 | } |
cho45 |
6:f1c3ea8bc850 | 98 | |
cho45 |
6:f1c3ea8bc850 | 99 | static void bleInitComplete(BLE::InitializationCompleteCallbackContext *params) { |
cho45 |
6:f1c3ea8bc850 | 100 | // https://developer.mbed.org/compiler/#nav:/keyboard/BLE_API/ble/blecommon.h; |
cho45 |
6:f1c3ea8bc850 | 101 | ble_error_t error; |
cho45 |
6:f1c3ea8bc850 | 102 | BLE &ble = params->ble; |
cho45 | 23:b31957ce64e9 | 103 | |
cho45 | 27:7370b8994603 | 104 | controllerStatus = DISCONNECTED; |
cho45 | 16:345eebc4f259 | 105 | |
cho45 | 16:345eebc4f259 | 106 | /**< Minimum Connection Interval in 1.25 ms units, see BLE_GAP_CP_LIMITS.*/ |
cho45 |
65:391ce51e37cc | 107 | uint16_t minConnectionInterval = Gap::MSEC_TO_GAP_DURATION_UNITS(24); |
cho45 |
65:391ce51e37cc | 108 | /**< Maximum Connection Interval in 1.25 ms units, see BLE_GAP_CP_LIMITS.*/ |
cho45 |
65:391ce51e37cc | 109 | uint16_t maxConnectionInterval = Gap::MSEC_TO_GAP_DURATION_UNITS(30); |
cho45 |
65:391ce51e37cc | 110 | /**< Slave Latency in number of connection events, see BLE_GAP_CP_LIMITS.*/ |
cho45 |
65:391ce51e37cc | 111 | uint16_t slaveLatency = 4; |
cho45 |
65:391ce51e37cc | 112 | /**< Connection Supervision Timeout in 10 ms units, see BLE_GAP_CP_LIMITS.*/ |
cho45 |
65:391ce51e37cc | 113 | uint16_t connectionSupervisionTimeout = 32 * 100; |
cho45 |
65:391ce51e37cc | 114 | Gap::ConnectionParams_t connectionParams = { |
cho45 |
65:391ce51e37cc | 115 | minConnectionInterval, |
cho45 |
65:391ce51e37cc | 116 | maxConnectionInterval, |
cho45 |
65:391ce51e37cc | 117 | slaveLatency, |
cho45 |
65:391ce51e37cc | 118 | connectionSupervisionTimeout |
cho45 |
65:391ce51e37cc | 119 | }; |
cho45 |
65:391ce51e37cc | 120 | |
cho45 |
6:f1c3ea8bc850 | 121 | error = params->error; |
cho45 |
6:f1c3ea8bc850 | 122 | if (error != BLE_ERROR_NONE) { |
cho45 | 42:2c3be8694896 | 123 | DEBUG_PRINTF_BLE("error on ble.init() \r\n"); |
cho45 |
6:f1c3ea8bc850 | 124 | goto return_error; |
cho45 |
6:f1c3ea8bc850 | 125 | } |
cho45 |
6:f1c3ea8bc850 | 126 | |
cho45 |
6:f1c3ea8bc850 | 127 | ble.gap().onDisconnection(onDisconnect); |
cho45 |
6:f1c3ea8bc850 | 128 | ble.gap().onConnection(onConnect); |
cho45 |
6:f1c3ea8bc850 | 129 | ble.gap().onTimeout(onTimeout); |
cho45 |
6:f1c3ea8bc850 | 130 | |
cho45 | 42:2c3be8694896 | 131 | // DEBUG_PRINTF_BLE("setup ble security manager\r\n"); |
cho45 |
6:f1c3ea8bc850 | 132 | ble.securityManager().onSecuritySetupInitiated(securitySetupInitiatedCallback); |
cho45 |
6:f1c3ea8bc850 | 133 | ble.securityManager().onPasskeyDisplay(passkeyDisplayCallback); |
cho45 |
6:f1c3ea8bc850 | 134 | ble.securityManager().onSecuritySetupCompleted(securitySetupCompletedCallback); |
cho45 |
6:f1c3ea8bc850 | 135 | // bonding with hard-coded passkey. |
cho45 | 57:ae521136842c | 136 | error = ble.securityManager().init(ENABLE_BONDING, REQUIRE_MITM, SecurityManager::IO_CAPS_DISPLAY_ONLY, PASSKEY); |
cho45 |
6:f1c3ea8bc850 | 137 | if (error != BLE_ERROR_NONE) { |
cho45 | 42:2c3be8694896 | 138 | DEBUG_PRINTF_BLE("error on ble.securityManager().init()"); |
cho45 |
6:f1c3ea8bc850 | 139 | goto return_error; |
cho45 |
6:f1c3ea8bc850 | 140 | } |
cho45 | 16:345eebc4f259 | 141 | |
cho45 |
6:f1c3ea8bc850 | 142 | |
cho45 | 42:2c3be8694896 | 143 | // DEBUG_PRINTF_BLE("new KeyboardService\r\n"); |
cho45 |
6:f1c3ea8bc850 | 144 | keyboardService = new KeyboardService(ble); |
cho45 | 42:2c3be8694896 | 145 | // DEBUG_PRINTF_BLE("new DeviceInformationService\r\n"); |
cho45 | 59:2d6c0bff2151 | 146 | deviceInformationService = new DeviceInformationService(ble, MANUFACTURERERS_NAME, MODEL_NAME, SERIAL_NUMBER, HARDWARE_REVISION, FIRMWARE_REVISION, SOFTWARE_REVISION); |
cho45 | 42:2c3be8694896 | 147 | // DEBUG_PRINTF_BLE("new BatteryService\r\n"); |
cho45 |
6:f1c3ea8bc850 | 148 | batteryService = new BatteryService(ble, 100); |
cho45 | 37:4ce71fa47fc3 | 149 | /** TODO |
cho45 | 42:2c3be8694896 | 150 | DEBUG_PRINTF_BLE("new DFUService\r\n"); |
cho45 | 16:345eebc4f259 | 151 | dfuService = new DFUService(ble); |
cho45 | 16:345eebc4f259 | 152 | */ |
cho45 | 16:345eebc4f259 | 153 | |
cho45 | 42:2c3be8694896 | 154 | //DEBUG_PRINTF_BLE("setup connection params\r\n"); |
cho45 | 16:345eebc4f259 | 155 | |
cho45 |
65:391ce51e37cc | 156 | ble.gap().setPreferredConnectionParams(&connectionParams); |
cho45 |
6:f1c3ea8bc850 | 157 | |
cho45 | 42:2c3be8694896 | 158 | // DEBUG_PRINTF_BLE("general setup\r\n"); |
cho45 |
65:391ce51e37cc | 159 | // error = ble.gap().accumulateAdvertisingPayload( |
cho45 |
65:391ce51e37cc | 160 | // GapAdvertisingData::BREDR_NOT_SUPPORTED | |
cho45 |
65:391ce51e37cc | 161 | // GapAdvertisingData::LE_GENERAL_DISCOVERABLE |
cho45 |
65:391ce51e37cc | 162 | // ); |
cho45 |
65:391ce51e37cc | 163 | // shoud be LE_LIMITED_DISCOVERABLE |
cho45 |
6:f1c3ea8bc850 | 164 | error = ble.gap().accumulateAdvertisingPayload( |
cho45 |
6:f1c3ea8bc850 | 165 | GapAdvertisingData::BREDR_NOT_SUPPORTED | |
cho45 |
65:391ce51e37cc | 166 | GapAdvertisingData::LE_LIMITED_DISCOVERABLE |
cho45 |
6:f1c3ea8bc850 | 167 | ); |
cho45 |
6:f1c3ea8bc850 | 168 | if (error != BLE_ERROR_NONE) goto return_error; |
cho45 |
6:f1c3ea8bc850 | 169 | |
cho45 | 42:2c3be8694896 | 170 | // DEBUG_PRINTF_BLE("set COMPLETE_LIST_16BIT_SERVICE_IDS\r\n"); |
cho45 |
6:f1c3ea8bc850 | 171 | error = ble.gap().accumulateAdvertisingPayload( |
cho45 |
6:f1c3ea8bc850 | 172 | GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, |
cho45 |
6:f1c3ea8bc850 | 173 | (uint8_t*)uuid16_list, sizeof(uuid16_list) |
cho45 |
6:f1c3ea8bc850 | 174 | ); |
cho45 |
6:f1c3ea8bc850 | 175 | if (error != BLE_ERROR_NONE) goto return_error; |
cho45 |
6:f1c3ea8bc850 | 176 | |
cho45 | 42:2c3be8694896 | 177 | // DEBUG_PRINTF_BLE("set advertising\r\n"); |
cho45 |
6:f1c3ea8bc850 | 178 | // see 5.1.2: HID over GATT Specification (pg. 25) |
cho45 |
6:f1c3ea8bc850 | 179 | ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
cho45 |
6:f1c3ea8bc850 | 180 | |
cho45 | 42:2c3be8694896 | 181 | // DEBUG_PRINTF_BLE("set advertising interval\r\n"); |
cho45 | 28:1f843a3daab0 | 182 | ble.gap().setAdvertisingInterval(20); |
cho45 | 42:2c3be8694896 | 183 | // DEBUG_PRINTF_BLE("set advertising timeout\r\n"); |
cho45 | 38:115875b8cb6c | 184 | ble.gap().setAdvertisingTimeout(30); |
cho45 | 28:1f843a3daab0 | 185 | |
cho45 | 28:1f843a3daab0 | 186 | /* |
cho45 | 28:1f843a3daab0 | 187 | ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_DIRECTED); |
cho45 | 28:1f843a3daab0 | 188 | ble.gap().setAdvertisingTimeout(1.28); |
cho45 | 28:1f843a3daab0 | 189 | */ |
cho45 |
6:f1c3ea8bc850 | 190 | |
cho45 | 42:2c3be8694896 | 191 | // DEBUG_PRINTF_BLE("set keyboard\r\n"); |
cho45 |
6:f1c3ea8bc850 | 192 | error = ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::KEYBOARD); |
cho45 |
6:f1c3ea8bc850 | 193 | if (error != BLE_ERROR_NONE) goto return_error; |
cho45 |
6:f1c3ea8bc850 | 194 | |
cho45 | 42:2c3be8694896 | 195 | // DEBUG_PRINTF_BLE("set complete local name\r\n"); |
cho45 |
6:f1c3ea8bc850 | 196 | error = ble.gap().accumulateAdvertisingPayload( |
cho45 |
6:f1c3ea8bc850 | 197 | GapAdvertisingData::COMPLETE_LOCAL_NAME, |
cho45 |
6:f1c3ea8bc850 | 198 | DEVICE_NAME, sizeof(DEVICE_NAME) |
cho45 |
6:f1c3ea8bc850 | 199 | ); |
cho45 |
6:f1c3ea8bc850 | 200 | if (error != BLE_ERROR_NONE) goto return_error; |
cho45 |
6:f1c3ea8bc850 | 201 | |
cho45 | 42:2c3be8694896 | 202 | // DEBUG_PRINTF_BLE("set device name\r\n"); |
cho45 |
6:f1c3ea8bc850 | 203 | error = ble.gap().setDeviceName(DEVICE_NAME); |
cho45 |
6:f1c3ea8bc850 | 204 | if (error != BLE_ERROR_NONE) goto return_error; |
cho45 | 22:a78f0a91280a | 205 | /* (Valid values are -40, -20, -16, -12, -8, -4, 0, 4) */ |
cho45 | 19:cd7f2fe05ae4 | 206 | ble.gap().setTxPower(0); |
cho45 |
6:f1c3ea8bc850 | 207 | |
cho45 |
65:391ce51e37cc | 208 | // TODO |
cho45 |
65:391ce51e37cc | 209 | // ちゃんと接続済みになったら ADV_POLICY_FILTER_ALL_REQS にしないといけないが |
cho45 |
65:391ce51e37cc | 210 | // ペアリングできてるかどうか知るよしがなくてどうしよもない |
cho45 | 32:6c0f43fda460 | 211 | ble.gap().setAdvertisingPolicyMode(Gap::ADV_POLICY_IGNORE_WHITELIST); |
cho45 | 23:b31957ce64e9 | 212 | |
cho45 | 42:2c3be8694896 | 213 | // DEBUG_PRINTF_BLE("advertising\r\n"); |
cho45 |
6:f1c3ea8bc850 | 214 | error = ble.gap().startAdvertising(); |
cho45 |
6:f1c3ea8bc850 | 215 | if (error != BLE_ERROR_NONE) goto return_error; |
cho45 | 32:6c0f43fda460 | 216 | controllerStatus = ADVERTISING; |
cho45 |
6:f1c3ea8bc850 | 217 | return; |
cho45 |
6:f1c3ea8bc850 | 218 | |
cho45 |
6:f1c3ea8bc850 | 219 | return_error: |
cho45 | 42:2c3be8694896 | 220 | DEBUG_PRINTF_BLE("error with %d\r\n", error); |
cho45 |
6:f1c3ea8bc850 | 221 | return; |
cho45 |
6:f1c3ea8bc850 | 222 | } |
cho45 |
6:f1c3ea8bc850 | 223 | |
cho45 | 20:d8840ac38434 | 224 | bool HIDController::connected() { |
cho45 | 27:7370b8994603 | 225 | return controllerStatus == CONNECTED; |
cho45 | 27:7370b8994603 | 226 | } |
cho45 | 27:7370b8994603 | 227 | |
cho45 | 27:7370b8994603 | 228 | Status_t HIDController::status() { |
cho45 | 27:7370b8994603 | 229 | return controllerStatus; |
cho45 | 20:d8840ac38434 | 230 | } |
cho45 | 20:d8840ac38434 | 231 | |
cho45 | 32:6c0f43fda460 | 232 | const char* HIDController::statusString() { |
cho45 | 59:2d6c0bff2151 | 233 | static const char* const disconnected = "disconnected"; |
cho45 | 59:2d6c0bff2151 | 234 | static const char* const connecting = "connecting"; |
cho45 | 59:2d6c0bff2151 | 235 | static const char* const connected = "connected"; |
cho45 | 59:2d6c0bff2151 | 236 | static const char* const timeout = "timeout"; |
cho45 | 59:2d6c0bff2151 | 237 | static const char* const advertising = "advertising"; |
cho45 | 59:2d6c0bff2151 | 238 | static const char* const unknown = "unknown"; |
cho45 | 32:6c0f43fda460 | 239 | |
cho45 | 32:6c0f43fda460 | 240 | return controllerStatus == DISCONNECTED ? disconnected: |
cho45 | 32:6c0f43fda460 | 241 | controllerStatus == CONNECTING ? connecting: |
cho45 | 32:6c0f43fda460 | 242 | controllerStatus == CONNECTED ? connected: |
cho45 | 32:6c0f43fda460 | 243 | controllerStatus == TIMEOUT ? timeout: |
cho45 | 32:6c0f43fda460 | 244 | controllerStatus == ADVERTISING ? advertising: |
cho45 | 32:6c0f43fda460 | 245 | unknown; |
cho45 | 32:6c0f43fda460 | 246 | } |
cho45 | 32:6c0f43fda460 | 247 | |
cho45 |
6:f1c3ea8bc850 | 248 | void HIDController::init() { |
cho45 |
6:f1c3ea8bc850 | 249 | // https://github.com/jpbrucker/BLE_HID/blob/master/examples/examples_common.cpp |
cho45 | 42:2c3be8694896 | 250 | DEBUG_PRINTF_BLE("ble.init\r\n"); |
cho45 |
6:f1c3ea8bc850 | 251 | |
cho45 |
6:f1c3ea8bc850 | 252 | BLE& ble = BLE::Instance(BLE::DEFAULT_INSTANCE); |
cho45 |
6:f1c3ea8bc850 | 253 | ble.init(bleInitComplete); |
cho45 | 46:b8f4c050739a | 254 | |
cho45 | 46:b8f4c050739a | 255 | // copied from https://github.com/lancaster-university/microbit-dal/commit/3c314794f07e5ac91331c9e9849475375708ec89 |
cho45 | 46:b8f4c050739a | 256 | // configure the stack to hold on to CPU during critical timing events. |
cho45 | 46:b8f4c050739a | 257 | // mbed-classic performs __disabe_irq calls in its timers, which can cause MIC failures |
cho45 | 46:b8f4c050739a | 258 | // on secure BLE channels. |
cho45 |
65:391ce51e37cc | 259 | ble_common_opt_radio_cpu_mutex_t opt; |
cho45 |
65:391ce51e37cc | 260 | opt.enable = 1; |
cho45 |
65:391ce51e37cc | 261 | sd_ble_opt_set(BLE_COMMON_OPT_RADIO_CPU_MUTEX, (const ble_opt_t *)&opt); |
cho45 | 46:b8f4c050739a | 262 | |
cho45 |
6:f1c3ea8bc850 | 263 | while (!ble.hasInitialized()) { } |
cho45 | 42:2c3be8694896 | 264 | DEBUG_PRINTF_BLE("ble.hasIntialized\r\n"); |
cho45 |
6:f1c3ea8bc850 | 265 | } |
cho45 |
6:f1c3ea8bc850 | 266 | |
cho45 | 22:a78f0a91280a | 267 | |
cho45 |
10:1aed2481a743 | 268 | void HIDController::waitForEvent() { |
cho45 |
6:f1c3ea8bc850 | 269 | BLE& ble = BLE::Instance(BLE::DEFAULT_INSTANCE); |
cho45 | 45:f4be69c936f6 | 270 | keyboardService->processSend(); |
cho45 | 58:64df960619ce | 271 | if (DEBUG_BLE_INTERRUPT) { |
cho45 | 58:64df960619ce | 272 | ble.waitForEvent(); |
cho45 | 58:64df960619ce | 273 | } else { |
cho45 | 58:64df960619ce | 274 | // disable internal HFCLK RC Clock surely. It consume 1mA constantly |
cho45 | 58:64df960619ce | 275 | // TWI / SPI / UART must be disabled and boot without debug mode |
cho45 | 58:64df960619ce | 276 | while (NRF_UART0->EVENTS_TXDRDY != 1); |
cho45 | 58:64df960619ce | 277 | |
cho45 | 58:64df960619ce | 278 | const uint32_t tx = NRF_UART0->PSELTXD; |
cho45 | 58:64df960619ce | 279 | |
cho45 | 58:64df960619ce | 280 | NRF_UART0->TASKS_STOPTX = 1; |
cho45 | 58:64df960619ce | 281 | NRF_UART0->ENABLE = (UART_ENABLE_ENABLE_Disabled << UART_ENABLE_ENABLE_Pos); |
cho45 | 58:64df960619ce | 282 | |
cho45 | 58:64df960619ce | 283 | ble.waitForEvent(); |
cho45 | 58:64df960619ce | 284 | |
cho45 | 58:64df960619ce | 285 | NRF_UART0->ENABLE = (UART_ENABLE_ENABLE_Enabled << UART_ENABLE_ENABLE_Pos); |
cho45 | 58:64df960619ce | 286 | NRF_UART0->TASKS_STARTTX = 1; |
cho45 | 58:64df960619ce | 287 | // dummy send to wakeup... |
cho45 | 58:64df960619ce | 288 | NRF_UART0->PSELTXD = 0xFFFFFFFF; |
cho45 | 58:64df960619ce | 289 | NRF_UART0->EVENTS_TXDRDY = 0; |
cho45 | 58:64df960619ce | 290 | NRF_UART0->TXD = 0; |
cho45 | 58:64df960619ce | 291 | while (NRF_UART0->EVENTS_TXDRDY != 1); |
cho45 | 58:64df960619ce | 292 | NRF_UART0->PSELTXD = tx; |
cho45 | 58:64df960619ce | 293 | } |
cho45 |
6:f1c3ea8bc850 | 294 | } |
cho45 |
6:f1c3ea8bc850 | 295 | |
cho45 | 48:d6938de02f62 | 296 | void HIDController::appendReportData(const uint8_t key) { |
cho45 |
6:f1c3ea8bc850 | 297 | if (keyboardService) { |
cho45 |
6:f1c3ea8bc850 | 298 | keyboardService->appendReportData(key); |
cho45 |
6:f1c3ea8bc850 | 299 | } |
cho45 |
6:f1c3ea8bc850 | 300 | } |
cho45 |
6:f1c3ea8bc850 | 301 | |
cho45 | 48:d6938de02f62 | 302 | void HIDController::deleteReportData(const uint8_t key) { |
cho45 |
6:f1c3ea8bc850 | 303 | if (keyboardService) { |
cho45 |
6:f1c3ea8bc850 | 304 | keyboardService->deleteReportData(key); |
cho45 |
6:f1c3ea8bc850 | 305 | } |
cho45 |
6:f1c3ea8bc850 | 306 | } |
cho45 |
9:d1daefbf1fbd | 307 | |
cho45 |
9:d1daefbf1fbd | 308 | void HIDController::queueCurrentReportData() { |
cho45 | 29:ec548c473d50 | 309 | if (!connected()) return; |
cho45 |
9:d1daefbf1fbd | 310 | if (keyboardService) { |
cho45 | 60:b899414e1d34 | 311 | DEBUG_PRINTF_BLE("Q %d\r\n", keyboardService->bufferCount); |
cho45 |
9:d1daefbf1fbd | 312 | keyboardService->queueCurrentReportData(); |
cho45 |
9:d1daefbf1fbd | 313 | } |
cho45 |
9:d1daefbf1fbd | 314 | } |
cho45 | 37:4ce71fa47fc3 | 315 | |
cho45 | 58:64df960619ce | 316 | void HIDController::updateBatteryLevel(const uint8_t percentage, const uint16_t voltage) { |
cho45 | 37:4ce71fa47fc3 | 317 | if (!batteryService) return; |
cho45 | 58:64df960619ce | 318 | batteryService->updateBatteryLevel(percentage, voltage); |
cho45 | 37:4ce71fa47fc3 | 319 | } |
cho45 | 37:4ce71fa47fc3 | 320 | |
cho45 | 48:d6938de02f62 | 321 | void HIDController::initializeConnection(const bool ignoreWhiteList = false) { |
cho45 | 38:115875b8cb6c | 322 | ble_error_t error; |
cho45 | 38:115875b8cb6c | 323 | BLE& ble = BLE::Instance(BLE::DEFAULT_INSTANCE); |
cho45 | 39:b7889285c9ef | 324 | ble.gap().setAdvertisingInterval(20); |
cho45 | 39:b7889285c9ef | 325 | ble.gap().setAdvertisingTimeout(30); |
cho45 | 40:364deaa190fe | 326 | if (ignoreWhiteList) { |
cho45 | 40:364deaa190fe | 327 | ble.gap().setAdvertisingPolicyMode(Gap::ADV_POLICY_IGNORE_WHITELIST); |
cho45 | 40:364deaa190fe | 328 | } |
cho45 | 38:115875b8cb6c | 329 | |
cho45 | 42:2c3be8694896 | 330 | // DEBUG_PRINTF_BLE("advertising\r\n"); |
cho45 | 38:115875b8cb6c | 331 | error = ble.gap().startAdvertising(); |
cho45 | 38:115875b8cb6c | 332 | if (error != BLE_ERROR_NONE) goto return_error; |
cho45 | 38:115875b8cb6c | 333 | controllerStatus = ADVERTISING; |
cho45 | 38:115875b8cb6c | 334 | return; |
cho45 | 38:115875b8cb6c | 335 | |
cho45 | 38:115875b8cb6c | 336 | return_error: |
cho45 | 42:2c3be8694896 | 337 | DEBUG_PRINTF_BLE("error with %d\r\n", error); |
cho45 | 38:115875b8cb6c | 338 | return; |
cho45 |
65:391ce51e37cc | 339 | } |