fork microbit-dal
Dependencies: BLE_API mbed-dev-bin nRF51822
Fork of microbit-dal by
source/bluetooth/MicroBitBLEManager.cpp@74:a8f5674a0079, 2017-02-08 (annotated)
- Committer:
- bluetooth_mdw
- Date:
- Wed Feb 08 07:49:17 2017 +0000
- Revision:
- 74:a8f5674a0079
- Parent:
- 66:2fc7d7c2fffc
- Child:
- 75:739b6a1c1b50
Eddystone URL test using modified DAL
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Jonathan Austin |
1:8aa5cdb4ab67 | 1 | /* |
Jonathan Austin |
1:8aa5cdb4ab67 | 2 | The MIT License (MIT) |
Jonathan Austin |
1:8aa5cdb4ab67 | 3 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 4 | Copyright (c) 2016 British Broadcasting Corporation. |
Jonathan Austin |
1:8aa5cdb4ab67 | 5 | This software is provided by Lancaster University by arrangement with the BBC. |
Jonathan Austin |
1:8aa5cdb4ab67 | 6 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 7 | Permission is hereby granted, free of charge, to any person obtaining a |
Jonathan Austin |
1:8aa5cdb4ab67 | 8 | copy of this software and associated documentation files (the "Software"), |
Jonathan Austin |
1:8aa5cdb4ab67 | 9 | to deal in the Software without restriction, including without limitation |
Jonathan Austin |
1:8aa5cdb4ab67 | 10 | the rights to use, copy, modify, merge, publish, distribute, sublicense, |
Jonathan Austin |
1:8aa5cdb4ab67 | 11 | and/or sell copies of the Software, and to permit persons to whom the |
Jonathan Austin |
1:8aa5cdb4ab67 | 12 | Software is furnished to do so, subject to the following conditions: |
Jonathan Austin |
1:8aa5cdb4ab67 | 13 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 14 | The above copyright notice and this permission notice shall be included in |
Jonathan Austin |
1:8aa5cdb4ab67 | 15 | all copies or substantial portions of the Software. |
Jonathan Austin |
1:8aa5cdb4ab67 | 16 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 17 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
Jonathan Austin |
1:8aa5cdb4ab67 | 18 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
Jonathan Austin |
1:8aa5cdb4ab67 | 19 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
Jonathan Austin |
1:8aa5cdb4ab67 | 20 | THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
Jonathan Austin |
1:8aa5cdb4ab67 | 21 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
Jonathan Austin |
1:8aa5cdb4ab67 | 22 | FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
Jonathan Austin |
1:8aa5cdb4ab67 | 23 | DEALINGS IN THE SOFTWARE. |
Jonathan Austin |
1:8aa5cdb4ab67 | 24 | */ |
Jonathan Austin |
1:8aa5cdb4ab67 | 25 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 26 | #include "MicroBitConfig.h" |
Jonathan Austin |
1:8aa5cdb4ab67 | 27 | #include "MicroBitBLEManager.h" |
bluetooth_mdw | 74:a8f5674a0079 | 28 | #include "MicroBitEddystone.h" |
Jonathan Austin |
1:8aa5cdb4ab67 | 29 | #include "MicroBitStorage.h" |
Jonathan Austin |
1:8aa5cdb4ab67 | 30 | #include "MicroBitFiber.h" |
bluetooth_mdw | 74:a8f5674a0079 | 31 | #include "MicroBitSystemTimer.h" |
Jonathan Austin |
1:8aa5cdb4ab67 | 32 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 33 | /* The underlying Nordic libraries that support BLE do not compile cleanly with the stringent GCC settings we employ. |
Jonathan Austin |
1:8aa5cdb4ab67 | 34 | * If we're compiling under GCC, then we suppress any warnings generated from this code (but not the rest of the DAL) |
Jonathan Austin |
1:8aa5cdb4ab67 | 35 | * The ARM cc compiler is more tolerant. We don't test __GNUC__ here to detect GCC as ARMCC also typically sets this |
Jonathan Austin |
1:8aa5cdb4ab67 | 36 | * as a compatability option, but does not support the options used... |
Jonathan Austin |
1:8aa5cdb4ab67 | 37 | */ |
Jonathan Austin |
1:8aa5cdb4ab67 | 38 | #if !defined(__arm) |
Jonathan Austin |
1:8aa5cdb4ab67 | 39 | #pragma GCC diagnostic ignored "-Wunused-function" |
Jonathan Austin |
1:8aa5cdb4ab67 | 40 | #pragma GCC diagnostic push |
Jonathan Austin |
1:8aa5cdb4ab67 | 41 | #pragma GCC diagnostic ignored "-Wunused-parameter" |
Jonathan Austin |
1:8aa5cdb4ab67 | 42 | #endif |
Jonathan Austin |
1:8aa5cdb4ab67 | 43 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 44 | #include "ble.h" |
Jonathan Austin |
1:8aa5cdb4ab67 | 45 | |
bluetooth_mdw | 74:a8f5674a0079 | 46 | extern "C" { |
Jonathan Austin |
1:8aa5cdb4ab67 | 47 | #include "device_manager.h" |
Jonathan Austin |
1:8aa5cdb4ab67 | 48 | uint32_t btle_set_gatt_table_size(uint32_t size); |
Jonathan Austin |
1:8aa5cdb4ab67 | 49 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 50 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 51 | /* |
Jonathan Austin |
1:8aa5cdb4ab67 | 52 | * Return to our predefined compiler settings. |
Jonathan Austin |
1:8aa5cdb4ab67 | 53 | */ |
Jonathan Austin |
1:8aa5cdb4ab67 | 54 | #if !defined(__arm) |
Jonathan Austin |
1:8aa5cdb4ab67 | 55 | #pragma GCC diagnostic pop |
Jonathan Austin |
1:8aa5cdb4ab67 | 56 | #endif |
Jonathan Austin |
1:8aa5cdb4ab67 | 57 | |
bluetooth_mdw | 74:a8f5674a0079 | 58 | #define MICROBIT_PAIRING_FADE_SPEED 4 |
Jonathan Austin |
1:8aa5cdb4ab67 | 59 | |
bluetooth_mdw | 74:a8f5674a0079 | 60 | // |
bluetooth_mdw | 74:a8f5674a0079 | 61 | // Local enumeration of valid security modes. Used only to optimise pre‐processor comparisons. |
bluetooth_mdw | 74:a8f5674a0079 | 62 | // |
bluetooth_mdw | 74:a8f5674a0079 | 63 | #define __SECURITY_MODE_ENCRYPTION_OPEN_LINK 0 |
bluetooth_mdw | 74:a8f5674a0079 | 64 | #define __SECURITY_MODE_ENCRYPTION_NO_MITM 1 |
bluetooth_mdw | 74:a8f5674a0079 | 65 | #define __SECURITY_MODE_ENCRYPTION_WITH_MITM 2 |
bluetooth_mdw | 74:a8f5674a0079 | 66 | // |
bluetooth_mdw | 74:a8f5674a0079 | 67 | // Some Black Magic to compare the definition of our security mode in MicroBitConfig with a given parameter. |
bluetooth_mdw | 74:a8f5674a0079 | 68 | // Required as the MicroBitConfig option is actually an mbed enum, that is not normally comparable at compile time. |
bluetooth_mdw | 74:a8f5674a0079 | 69 | // |
bluetooth_mdw | 74:a8f5674a0079 | 70 | |
bluetooth_mdw | 74:a8f5674a0079 | 71 | #define __CAT(a, ...) a##__VA_ARGS__ |
bluetooth_mdw | 74:a8f5674a0079 | 72 | #define SECURITY_MODE(x) __CAT(__, x) |
bluetooth_mdw | 74:a8f5674a0079 | 73 | #define SECURITY_MODE_IS(x) (SECURITY_MODE(MICROBIT_BLE_SECURITY_LEVEL) == SECURITY_MODE(x)) |
bluetooth_mdw | 74:a8f5674a0079 | 74 | |
bluetooth_mdw | 74:a8f5674a0079 | 75 | const char *MICROBIT_BLE_MANUFACTURER = NULL; |
bluetooth_mdw | 74:a8f5674a0079 | 76 | const char *MICROBIT_BLE_MODEL = "BBC micro:bit"; |
bluetooth_mdw | 74:a8f5674a0079 | 77 | const char *MICROBIT_BLE_HARDWARE_VERSION = NULL; |
bluetooth_mdw | 74:a8f5674a0079 | 78 | const char *MICROBIT_BLE_FIRMWARE_VERSION = MICROBIT_DAL_VERSION; |
bluetooth_mdw | 74:a8f5674a0079 | 79 | const char *MICROBIT_BLE_SOFTWARE_VERSION = NULL; |
Jonathan Austin |
1:8aa5cdb4ab67 | 80 | const int8_t MICROBIT_BLE_POWER_LEVEL[] = {-30, -20, -16, -12, -8, -4, 0, 4}; |
Jonathan Austin |
1:8aa5cdb4ab67 | 81 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 82 | /* |
Jonathan Austin |
1:8aa5cdb4ab67 | 83 | * Many of the mbed interfaces we need to use only support callbacks to plain C functions, rather than C++ methods. |
Jonathan Austin |
1:8aa5cdb4ab67 | 84 | * So, we maintain a pointer to the MicroBitBLEManager that's in use. Ths way, we can still access resources on the micro:bit |
Jonathan Austin |
1:8aa5cdb4ab67 | 85 | * whilst keeping the code modular. |
Jonathan Austin |
1:8aa5cdb4ab67 | 86 | */ |
bluetooth_mdw | 74:a8f5674a0079 | 87 | MicroBitBLEManager *MicroBitBLEManager::manager = NULL; // Singleton reference to the BLE manager. many mbed BLE API callbacks still do not support member funcions yet. :-( |
bluetooth_mdw | 74:a8f5674a0079 | 88 | |
bluetooth_mdw | 74:a8f5674a0079 | 89 | static uint8_t deviceID = 255; // Unique ID for the peer that has connected to us. |
bluetooth_mdw | 74:a8f5674a0079 | 90 | static Gap::Handle_t pairingHandle = 0; // The connection handle used during a pairing process. Used to ensure that connections are dropped elegantly. |
Jonathan Austin |
1:8aa5cdb4ab67 | 91 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 92 | static void storeSystemAttributes(Gap::Handle_t handle) |
Jonathan Austin |
1:8aa5cdb4ab67 | 93 | { |
bluetooth_mdw | 74:a8f5674a0079 | 94 | if (MicroBitBLEManager::manager->storage != NULL && deviceID < MICROBIT_BLE_MAXIMUM_BONDS) |
Jonathan Austin |
1:8aa5cdb4ab67 | 95 | { |
Jonathan Austin |
1:8aa5cdb4ab67 | 96 | ManagedString key("bleSysAttrs"); |
Jonathan Austin |
1:8aa5cdb4ab67 | 97 | |
bluetooth_mdw | 74:a8f5674a0079 | 98 | KeyValuePair *bleSysAttrs = MicroBitBLEManager::manager->storage->get(key); |
Jonathan Austin |
1:8aa5cdb4ab67 | 99 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 100 | BLESysAttribute attrib; |
Jonathan Austin |
1:8aa5cdb4ab67 | 101 | BLESysAttributeStore attribStore; |
Jonathan Austin |
1:8aa5cdb4ab67 | 102 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 103 | uint16_t len = sizeof(attrib.sys_attr); |
Jonathan Austin |
1:8aa5cdb4ab67 | 104 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 105 | sd_ble_gatts_sys_attr_get(handle, attrib.sys_attr, &len, BLE_GATTS_SYS_ATTR_FLAG_SYS_SRVCS); |
Jonathan Austin |
1:8aa5cdb4ab67 | 106 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 107 | //copy our stored sysAttrs |
bluetooth_mdw | 74:a8f5674a0079 | 108 | if (bleSysAttrs != NULL) |
Jonathan Austin |
1:8aa5cdb4ab67 | 109 | { |
Jonathan Austin |
1:8aa5cdb4ab67 | 110 | memcpy(&attribStore, bleSysAttrs->value, sizeof(BLESysAttributeStore)); |
Jonathan Austin |
1:8aa5cdb4ab67 | 111 | delete bleSysAttrs; |
Jonathan Austin |
1:8aa5cdb4ab67 | 112 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 113 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 114 | //check if we need to update |
bluetooth_mdw | 74:a8f5674a0079 | 115 | if (memcmp(attribStore.sys_attrs[deviceID].sys_attr, attrib.sys_attr, len) != 0) |
Jonathan Austin |
1:8aa5cdb4ab67 | 116 | { |
Jonathan Austin |
1:8aa5cdb4ab67 | 117 | attribStore.sys_attrs[deviceID] = attrib; |
bluetooth_mdw | 74:a8f5674a0079 | 118 | MicroBitBLEManager::manager->storage->put(key, (uint8_t *)&attribStore, sizeof(attribStore)); |
Jonathan Austin |
1:8aa5cdb4ab67 | 119 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 120 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 121 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 122 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 123 | /** |
Jonathan Austin |
1:8aa5cdb4ab67 | 124 | * Callback when a BLE GATT disconnect occurs. |
Jonathan Austin |
1:8aa5cdb4ab67 | 125 | */ |
Jonathan Austin |
1:8aa5cdb4ab67 | 126 | static void bleDisconnectionCallback(const Gap::DisconnectionCallbackParams_t *reason) |
Jonathan Austin |
1:8aa5cdb4ab67 | 127 | { |
bluetooth_mdw | 74:a8f5674a0079 | 128 | MicroBitEvent(MICROBIT_ID_BLE, MICROBIT_BLE_EVT_DISCONNECTED); |
LancasterUniversity | 26:493daf8966fd | 129 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 130 | storeSystemAttributes(reason->handle); |
Jonathan Austin |
1:8aa5cdb4ab67 | 131 | |
bluetooth_mdw | 74:a8f5674a0079 | 132 | if (MicroBitBLEManager::manager) |
bluetooth_mdw | 74:a8f5674a0079 | 133 | MicroBitBLEManager::manager->advertise(); |
Jonathan Austin |
1:8aa5cdb4ab67 | 134 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 135 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 136 | /** |
LancasterUniversity | 23:6055f6c19fa6 | 137 | * Callback when a BLE connection is established. |
LancasterUniversity | 23:6055f6c19fa6 | 138 | */ |
bluetooth_mdw | 74:a8f5674a0079 | 139 | static void bleConnectionCallback(const Gap::ConnectionCallbackParams_t *) |
LancasterUniversity | 23:6055f6c19fa6 | 140 | { |
bluetooth_mdw | 74:a8f5674a0079 | 141 | MicroBitEvent(MICROBIT_ID_BLE, MICROBIT_BLE_EVT_CONNECTED); |
LancasterUniversity | 23:6055f6c19fa6 | 142 | } |
LancasterUniversity | 23:6055f6c19fa6 | 143 | |
LancasterUniversity | 23:6055f6c19fa6 | 144 | /** |
Jonathan Austin |
1:8aa5cdb4ab67 | 145 | * Callback when a BLE SYS_ATTR_MISSING. |
Jonathan Austin |
1:8aa5cdb4ab67 | 146 | */ |
Jonathan Austin |
1:8aa5cdb4ab67 | 147 | static void bleSysAttrMissingCallback(const GattSysAttrMissingCallbackParams *params) |
Jonathan Austin |
1:8aa5cdb4ab67 | 148 | { |
Jonathan Austin |
1:8aa5cdb4ab67 | 149 | int complete = 0; |
Jonathan Austin |
1:8aa5cdb4ab67 | 150 | deviceID = 255; |
Jonathan Austin |
1:8aa5cdb4ab67 | 151 | |
bluetooth_mdw | 74:a8f5674a0079 | 152 | dm_handle_t dm_handle = {0, 0, 0, 0}; |
Jonathan Austin |
1:8aa5cdb4ab67 | 153 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 154 | int ret = dm_handle_get(params->connHandle, &dm_handle); |
Jonathan Austin |
1:8aa5cdb4ab67 | 155 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 156 | if (ret == 0) |
Jonathan Austin |
1:8aa5cdb4ab67 | 157 | deviceID = dm_handle.device_id; |
Jonathan Austin |
1:8aa5cdb4ab67 | 158 | |
bluetooth_mdw | 74:a8f5674a0079 | 159 | if (MicroBitBLEManager::manager->storage != NULL && deviceID < MICROBIT_BLE_MAXIMUM_BONDS) |
Jonathan Austin |
1:8aa5cdb4ab67 | 160 | { |
Jonathan Austin |
1:8aa5cdb4ab67 | 161 | ManagedString key("bleSysAttrs"); |
Jonathan Austin |
1:8aa5cdb4ab67 | 162 | |
bluetooth_mdw | 74:a8f5674a0079 | 163 | KeyValuePair *bleSysAttrs = MicroBitBLEManager::manager->storage->get(key); |
Jonathan Austin |
1:8aa5cdb4ab67 | 164 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 165 | BLESysAttributeStore attribStore; |
Jonathan Austin |
1:8aa5cdb4ab67 | 166 | BLESysAttribute attrib; |
Jonathan Austin |
1:8aa5cdb4ab67 | 167 | |
bluetooth_mdw | 74:a8f5674a0079 | 168 | if (bleSysAttrs != NULL) |
Jonathan Austin |
1:8aa5cdb4ab67 | 169 | { |
Jonathan Austin |
1:8aa5cdb4ab67 | 170 | //restore our sysAttrStore |
Jonathan Austin |
1:8aa5cdb4ab67 | 171 | memcpy(&attribStore, bleSysAttrs->value, sizeof(BLESysAttributeStore)); |
Jonathan Austin |
1:8aa5cdb4ab67 | 172 | delete bleSysAttrs; |
Jonathan Austin |
1:8aa5cdb4ab67 | 173 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 174 | attrib = attribStore.sys_attrs[deviceID]; |
Jonathan Austin |
1:8aa5cdb4ab67 | 175 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 176 | ret = sd_ble_gatts_sys_attr_set(params->connHandle, attrib.sys_attr, sizeof(attrib.sys_attr), BLE_GATTS_SYS_ATTR_FLAG_SYS_SRVCS); |
Jonathan Austin |
1:8aa5cdb4ab67 | 177 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 178 | complete = 1; |
Jonathan Austin |
1:8aa5cdb4ab67 | 179 | |
bluetooth_mdw | 74:a8f5674a0079 | 180 | if (ret == 0) |
Jonathan Austin |
1:8aa5cdb4ab67 | 181 | ret = sd_ble_gatts_service_changed(params->connHandle, 0x000c, 0xffff); |
Jonathan Austin |
1:8aa5cdb4ab67 | 182 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 183 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 184 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 185 | if (!complete) |
Jonathan Austin |
1:8aa5cdb4ab67 | 186 | sd_ble_gatts_sys_attr_set(params->connHandle, NULL, 0, 0); |
Jonathan Austin |
1:8aa5cdb4ab67 | 187 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 188 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 189 | static void passkeyDisplayCallback(Gap::Handle_t handle, const SecurityManager::Passkey_t passkey) |
Jonathan Austin |
1:8aa5cdb4ab67 | 190 | { |
bluetooth_mdw | 74:a8f5674a0079 | 191 | (void)handle; /* -Wunused-param */ |
Jonathan Austin |
1:8aa5cdb4ab67 | 192 | |
bluetooth_mdw | 74:a8f5674a0079 | 193 | ManagedString passKey((const char *)passkey, SecurityManager::PASSKEY_LEN); |
Jonathan Austin |
1:8aa5cdb4ab67 | 194 | |
bluetooth_mdw | 74:a8f5674a0079 | 195 | if (MicroBitBLEManager::manager) |
bluetooth_mdw | 74:a8f5674a0079 | 196 | MicroBitBLEManager::manager->pairingRequested(passKey); |
Jonathan Austin |
1:8aa5cdb4ab67 | 197 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 198 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 199 | static void securitySetupCompletedCallback(Gap::Handle_t handle, SecurityManager::SecurityCompletionStatus_t status) |
Jonathan Austin |
1:8aa5cdb4ab67 | 200 | { |
bluetooth_mdw | 74:a8f5674a0079 | 201 | (void)handle; /* -Wunused-param */ |
Jonathan Austin |
1:8aa5cdb4ab67 | 202 | |
bluetooth_mdw | 74:a8f5674a0079 | 203 | dm_handle_t dm_handle = {0, 0, 0, 0}; |
Jonathan Austin |
1:8aa5cdb4ab67 | 204 | int ret = dm_handle_get(handle, &dm_handle); |
Jonathan Austin |
1:8aa5cdb4ab67 | 205 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 206 | if (ret == 0) |
Jonathan Austin |
1:8aa5cdb4ab67 | 207 | deviceID = dm_handle.device_id; |
Jonathan Austin |
1:8aa5cdb4ab67 | 208 | |
bluetooth_mdw | 74:a8f5674a0079 | 209 | if (MicroBitBLEManager::manager) |
Jonathan Austin |
1:8aa5cdb4ab67 | 210 | { |
Jonathan Austin |
1:8aa5cdb4ab67 | 211 | pairingHandle = handle; |
bluetooth_mdw | 74:a8f5674a0079 | 212 | MicroBitBLEManager::manager->pairingComplete(status == SecurityManager::SEC_STATUS_SUCCESS); |
Jonathan Austin |
1:8aa5cdb4ab67 | 213 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 214 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 215 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 216 | /** |
Jonathan Austin |
1:8aa5cdb4ab67 | 217 | * Constructor. |
Jonathan Austin |
1:8aa5cdb4ab67 | 218 | * |
Jonathan Austin |
1:8aa5cdb4ab67 | 219 | * Configure and manage the micro:bit's Bluetooth Low Energy (BLE) stack. |
Jonathan Austin |
1:8aa5cdb4ab67 | 220 | * |
Jonathan Austin |
1:8aa5cdb4ab67 | 221 | * @param _storage an instance of MicroBitStorage used to persist sys attribute information. (This is required for compatability with iOS). |
Jonathan Austin |
1:8aa5cdb4ab67 | 222 | * |
Jonathan Austin |
1:8aa5cdb4ab67 | 223 | * @note The BLE stack *cannot* be brought up in a static context (the software simply hangs or corrupts itself). |
Jonathan Austin |
1:8aa5cdb4ab67 | 224 | * Hence, the init() member function should be used to initialise the BLE stack. |
Jonathan Austin |
1:8aa5cdb4ab67 | 225 | */ |
bluetooth_mdw | 74:a8f5674a0079 | 226 | MicroBitBLEManager::MicroBitBLEManager(MicroBitStorage &_storage) : storage(&_storage) |
Jonathan Austin |
1:8aa5cdb4ab67 | 227 | { |
Jonathan Austin |
1:8aa5cdb4ab67 | 228 | manager = this; |
bluetooth_mdw | 74:a8f5674a0079 | 229 | this->ble = NULL; |
bluetooth_mdw | 74:a8f5674a0079 | 230 | this->pairingStatus = 0; |
Jonathan Austin |
1:8aa5cdb4ab67 | 231 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 232 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 233 | /** |
Jonathan Austin |
1:8aa5cdb4ab67 | 234 | * Constructor. |
Jonathan Austin |
1:8aa5cdb4ab67 | 235 | * |
Jonathan Austin |
1:8aa5cdb4ab67 | 236 | * Configure and manage the micro:bit's Bluetooth Low Energy (BLE) stack. |
Jonathan Austin |
1:8aa5cdb4ab67 | 237 | * |
Jonathan Austin |
1:8aa5cdb4ab67 | 238 | * @note The BLE stack *cannot* be brought up in a static context (the software simply hangs or corrupts itself). |
Jonathan Austin |
1:8aa5cdb4ab67 | 239 | * Hence, the init() member function should be used to initialise the BLE stack. |
Jonathan Austin |
1:8aa5cdb4ab67 | 240 | */ |
bluetooth_mdw | 74:a8f5674a0079 | 241 | MicroBitBLEManager::MicroBitBLEManager() : storage(NULL) |
Jonathan Austin |
1:8aa5cdb4ab67 | 242 | { |
Jonathan Austin |
1:8aa5cdb4ab67 | 243 | manager = this; |
bluetooth_mdw | 74:a8f5674a0079 | 244 | this->ble = NULL; |
bluetooth_mdw | 74:a8f5674a0079 | 245 | this->pairingStatus = 0; |
bluetooth_mdw | 74:a8f5674a0079 | 246 | } |
bluetooth_mdw | 74:a8f5674a0079 | 247 | |
bluetooth_mdw | 74:a8f5674a0079 | 248 | /** |
bluetooth_mdw | 74:a8f5674a0079 | 249 | * When called, the micro:bit will begin advertising for a predefined period, |
bluetooth_mdw | 74:a8f5674a0079 | 250 | * MICROBIT_BLE_ADVERTISING_TIMEOUT seconds to bonded devices. |
bluetooth_mdw | 74:a8f5674a0079 | 251 | */ |
bluetooth_mdw | 74:a8f5674a0079 | 252 | MicroBitBLEManager *MicroBitBLEManager::getInstance() |
bluetooth_mdw | 74:a8f5674a0079 | 253 | { |
bluetooth_mdw | 74:a8f5674a0079 | 254 | if (manager == 0) |
bluetooth_mdw | 74:a8f5674a0079 | 255 | { |
bluetooth_mdw | 74:a8f5674a0079 | 256 | manager = new MicroBitBLEManager; |
bluetooth_mdw | 74:a8f5674a0079 | 257 | } |
bluetooth_mdw | 74:a8f5674a0079 | 258 | return manager; |
Jonathan Austin |
1:8aa5cdb4ab67 | 259 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 260 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 261 | /** |
Jonathan Austin |
1:8aa5cdb4ab67 | 262 | * When called, the micro:bit will begin advertising for a predefined period, |
Jonathan Austin |
1:8aa5cdb4ab67 | 263 | * MICROBIT_BLE_ADVERTISING_TIMEOUT seconds to bonded devices. |
Jonathan Austin |
1:8aa5cdb4ab67 | 264 | */ |
Jonathan Austin |
1:8aa5cdb4ab67 | 265 | void MicroBitBLEManager::advertise() |
Jonathan Austin |
1:8aa5cdb4ab67 | 266 | { |
bluetooth_mdw | 74:a8f5674a0079 | 267 | if (ble) |
Jonathan Austin |
1:8aa5cdb4ab67 | 268 | ble->gap().startAdvertising(); |
Jonathan Austin |
1:8aa5cdb4ab67 | 269 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 270 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 271 | /** |
Jonathan Austin |
1:8aa5cdb4ab67 | 272 | * Post constructor initialisation method as the BLE stack cannot be brought |
Jonathan Austin |
1:8aa5cdb4ab67 | 273 | * up in a static context. |
Jonathan Austin |
1:8aa5cdb4ab67 | 274 | * |
Jonathan Austin |
1:8aa5cdb4ab67 | 275 | * @param deviceName The name used when advertising |
Jonathan Austin |
1:8aa5cdb4ab67 | 276 | * @param serialNumber The serial number exposed by the device information service |
Jonathan Austin |
1:8aa5cdb4ab67 | 277 | * @param messageBus An instance of an EventModel, used during pairing. |
Jonathan Austin |
1:8aa5cdb4ab67 | 278 | * @param enableBonding If true, the security manager enabled bonding. |
Jonathan Austin |
1:8aa5cdb4ab67 | 279 | * |
Jonathan Austin |
1:8aa5cdb4ab67 | 280 | * @code |
Jonathan Austin |
1:8aa5cdb4ab67 | 281 | * bleManager.init(uBit.getName(), uBit.getSerial(), uBit.messageBus, true); |
Jonathan Austin |
1:8aa5cdb4ab67 | 282 | * @endcode |
Jonathan Austin |
1:8aa5cdb4ab67 | 283 | */ |
bluetooth_mdw | 74:a8f5674a0079 | 284 | void MicroBitBLEManager::init(ManagedString deviceName, ManagedString serialNumber, EventModel &messageBus, bool enableBonding) |
Jonathan Austin |
1:8aa5cdb4ab67 | 285 | { |
bluetooth_mdw | 74:a8f5674a0079 | 286 | ManagedString BLEName("BBC micro:bit"); |
bluetooth_mdw | 74:a8f5674a0079 | 287 | this->deviceName = deviceName; |
Jonathan Austin |
1:8aa5cdb4ab67 | 288 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 289 | #if !(CONFIG_ENABLED(MICROBIT_BLE_WHITELIST)) |
bluetooth_mdw | 74:a8f5674a0079 | 290 | ManagedString namePrefix(" ["); |
bluetooth_mdw | 74:a8f5674a0079 | 291 | ManagedString namePostfix("]"); |
bluetooth_mdw | 74:a8f5674a0079 | 292 | BLEName = BLEName + namePrefix + deviceName + namePostfix; |
Jonathan Austin |
1:8aa5cdb4ab67 | 293 | #endif |
Jonathan Austin |
1:8aa5cdb4ab67 | 294 | |
bluetooth_mdw | 74:a8f5674a0079 | 295 | // Start the BLE stack. |
Jonathan Austin |
1:8aa5cdb4ab67 | 296 | #if CONFIG_ENABLED(MICROBIT_HEAP_REUSE_SD) |
Jonathan Austin |
1:8aa5cdb4ab67 | 297 | btle_set_gatt_table_size(MICROBIT_SD_GATT_TABLE_SIZE); |
Jonathan Austin |
1:8aa5cdb4ab67 | 298 | #endif |
Jonathan Austin |
1:8aa5cdb4ab67 | 299 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 300 | ble = new BLEDevice(); |
Jonathan Austin |
1:8aa5cdb4ab67 | 301 | ble->init(); |
Jonathan Austin |
1:8aa5cdb4ab67 | 302 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 303 | // automatically restart advertising after a device disconnects. |
Jonathan Austin |
1:8aa5cdb4ab67 | 304 | ble->gap().onDisconnection(bleDisconnectionCallback); |
Jonathan Austin |
1:8aa5cdb4ab67 | 305 | ble->gattServer().onSysAttrMissing(bleSysAttrMissingCallback); |
LancasterUniversity | 26:493daf8966fd | 306 | |
LancasterUniversity | 24:3373f1fb0353 | 307 | // generate an event when a Bluetooth connection is established |
LancasterUniversity | 23:6055f6c19fa6 | 308 | ble->gap().onConnection(bleConnectionCallback); |
Jonathan Austin |
1:8aa5cdb4ab67 | 309 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 310 | // Configure the stack to hold onto the CPU during critical timing events. |
Jonathan Austin |
1:8aa5cdb4ab67 | 311 | // mbed-classic performs __disable_irq() calls in its timers that can cause |
Jonathan Austin |
1:8aa5cdb4ab67 | 312 | // MIC failures on secure BLE channels... |
Jonathan Austin |
1:8aa5cdb4ab67 | 313 | ble_common_opt_radio_cpu_mutex_t opt; |
Jonathan Austin |
1:8aa5cdb4ab67 | 314 | opt.enable = 1; |
Jonathan Austin |
1:8aa5cdb4ab67 | 315 | sd_ble_opt_set(BLE_COMMON_OPT_RADIO_CPU_MUTEX, (const ble_opt_t *)&opt); |
Jonathan Austin |
1:8aa5cdb4ab67 | 316 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 317 | #if CONFIG_ENABLED(MICROBIT_BLE_PRIVATE_ADDRESSES) |
bluetooth_mdw | 74:a8f5674a0079 | 318 | // Configure for private addresses, so kids' behaviour can't be easily tracked. |
bluetooth_mdw | 74:a8f5674a0079 | 319 | ble->gap().setAddress(BLEProtocol::AddressType::RANDOM_PRIVATE_RESOLVABLE, {0}); |
Jonathan Austin |
1:8aa5cdb4ab67 | 320 | #endif |
Jonathan Austin |
1:8aa5cdb4ab67 | 321 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 322 | // Setup our security requirements. |
Jonathan Austin |
1:8aa5cdb4ab67 | 323 | ble->securityManager().onPasskeyDisplay(passkeyDisplayCallback); |
Jonathan Austin |
1:8aa5cdb4ab67 | 324 | ble->securityManager().onSecuritySetupCompleted(securitySetupCompletedCallback); |
bluetooth_mdw | 74:a8f5674a0079 | 325 | // @bluetooth_mdw: select either passkey pairing (more secure), "just works" pairing (less secure but nice and simple for the user) |
bluetooth_mdw | 74:a8f5674a0079 | 326 | // or no security |
bluetooth_mdw | 74:a8f5674a0079 | 327 | // Default to passkey pairing with MITM protection |
bluetooth_mdw | 74:a8f5674a0079 | 328 | #if (SECURITY_MODE_IS(SECURITY_MODE_ENCRYPTION_NO_MITM)) |
bluetooth_mdw | 74:a8f5674a0079 | 329 | // Just Works |
bluetooth_mdw | 74:a8f5674a0079 | 330 | ble->securityManager().init(enableBonding, false, SecurityManager::IO_CAPS_NONE); |
bluetooth_mdw | 74:a8f5674a0079 | 331 | #elif (SECURITY_MODE_IS(SECURITY_MODE_ENCRYPTION_OPEN_LINK)) |
bluetooth_mdw | 74:a8f5674a0079 | 332 | // no security |
bluetooth_mdw | 74:a8f5674a0079 | 333 | ble->securityManager().init(false, false, SecurityManager::IO_CAPS_DISPLAY_ONLY); |
bluetooth_mdw | 74:a8f5674a0079 | 334 | #else |
bluetooth_mdw | 74:a8f5674a0079 | 335 | // passkey |
bluetooth_mdw | 74:a8f5674a0079 | 336 | ble->securityManager().init(enableBonding, true, SecurityManager::IO_CAPS_DISPLAY_ONLY); |
bluetooth_mdw | 74:a8f5674a0079 | 337 | #endif |
Jonathan Austin |
1:8aa5cdb4ab67 | 338 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 339 | if (enableBonding) |
Jonathan Austin |
1:8aa5cdb4ab67 | 340 | { |
Jonathan Austin |
1:8aa5cdb4ab67 | 341 | // If we're in pairing mode, review the size of the bond table. |
Jonathan Austin |
1:8aa5cdb4ab67 | 342 | int bonds = getBondCount(); |
Jonathan Austin |
1:8aa5cdb4ab67 | 343 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 344 | // TODO: It would be much better to implement some sort of LRU/NFU policy here, |
Jonathan Austin |
1:8aa5cdb4ab67 | 345 | // but this isn't currently supported in mbed, so we'd need to layer break... |
Jonathan Austin |
1:8aa5cdb4ab67 | 346 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 347 | // If we're full, empty the bond table. |
Jonathan Austin |
1:8aa5cdb4ab67 | 348 | if (bonds >= MICROBIT_BLE_MAXIMUM_BONDS) |
Jonathan Austin |
1:8aa5cdb4ab67 | 349 | ble->securityManager().purgeAllBondingState(); |
Jonathan Austin |
1:8aa5cdb4ab67 | 350 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 351 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 352 | #if CONFIG_ENABLED(MICROBIT_BLE_WHITELIST) |
Jonathan Austin |
1:8aa5cdb4ab67 | 353 | // Configure a whitelist to filter all connection requetss from unbonded devices. |
Jonathan Austin |
1:8aa5cdb4ab67 | 354 | // Most BLE stacks only permit one connection at a time, so this prevents denial of service attacks. |
Jonathan Austin |
1:8aa5cdb4ab67 | 355 | BLEProtocol::Address_t bondedAddresses[MICROBIT_BLE_MAXIMUM_BONDS]; |
Jonathan Austin |
1:8aa5cdb4ab67 | 356 | Gap::Whitelist_t whitelist; |
Jonathan Austin |
1:8aa5cdb4ab67 | 357 | whitelist.addresses = bondedAddresses; |
Jonathan Austin |
1:8aa5cdb4ab67 | 358 | whitelist.capacity = MICROBIT_BLE_MAXIMUM_BONDS; |
Jonathan Austin |
1:8aa5cdb4ab67 | 359 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 360 | ble->securityManager().getAddressesFromBondTable(whitelist); |
Jonathan Austin |
1:8aa5cdb4ab67 | 361 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 362 | ble->gap().setWhitelist(whitelist); |
Jonathan Austin |
1:8aa5cdb4ab67 | 363 | ble->gap().setScanningPolicyMode(Gap::SCAN_POLICY_IGNORE_WHITELIST); |
Jonathan Austin |
1:8aa5cdb4ab67 | 364 | ble->gap().setAdvertisingPolicyMode(Gap::ADV_POLICY_FILTER_CONN_REQS); |
Jonathan Austin |
1:8aa5cdb4ab67 | 365 | #endif |
Jonathan Austin |
1:8aa5cdb4ab67 | 366 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 367 | // Configure the radio at our default power level |
Jonathan Austin |
1:8aa5cdb4ab67 | 368 | setTransmitPower(MICROBIT_BLE_DEFAULT_TX_POWER); |
Jonathan Austin |
1:8aa5cdb4ab67 | 369 | |
bluetooth_mdw | 74:a8f5674a0079 | 370 | // Bring up core BLE services. |
LancasterUniversity | 29:62f8b007debf | 371 | #if CONFIG_ENABLED(MICROBIT_BLE_DFU_SERVICE) |
Jonathan Austin |
1:8aa5cdb4ab67 | 372 | new MicroBitDFUService(*ble); |
LancasterUniversity | 29:62f8b007debf | 373 | #endif |
LancasterUniversity | 29:62f8b007debf | 374 | |
LancasterUniversity | 29:62f8b007debf | 375 | #if CONFIG_ENABLED(MICROBIT_BLE_DEVICE_INFORMATION_SERVICE) |
bluetooth_mdw | 74:a8f5674a0079 | 376 | DeviceInformationService ble_device_information_service(*ble, MICROBIT_BLE_MANUFACTURER, MICROBIT_BLE_MODEL, serialNumber.toCharArray(), MICROBIT_BLE_HARDWARE_VERSION, MICROBIT_BLE_FIRMWARE_VERSION, MICROBIT_BLE_SOFTWARE_VERSION); |
LancasterUniversity | 66:2fc7d7c2fffc | 377 | #else |
LancasterUniversity | 66:2fc7d7c2fffc | 378 | (void)serialNumber; |
LancasterUniversity | 29:62f8b007debf | 379 | #endif |
LancasterUniversity | 29:62f8b007debf | 380 | |
LancasterUniversity | 29:62f8b007debf | 381 | #if CONFIG_ENABLED(MICROBIT_BLE_EVENT_SERVICE) |
Jonathan Austin |
1:8aa5cdb4ab67 | 382 | new MicroBitEventService(*ble, messageBus); |
LancasterUniversity | 29:62f8b007debf | 383 | #else |
LancasterUniversity | 29:62f8b007debf | 384 | (void)messageBus; |
LancasterUniversity | 29:62f8b007debf | 385 | #endif |
Jonathan Austin |
1:8aa5cdb4ab67 | 386 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 387 | // Configure for high speed mode where possible. |
Jonathan Austin |
1:8aa5cdb4ab67 | 388 | Gap::ConnectionParams_t fast; |
Jonathan Austin |
1:8aa5cdb4ab67 | 389 | ble->getPreferredConnectionParams(&fast); |
bluetooth_mdw | 74:a8f5674a0079 | 390 | fast.minConnectionInterval = 8; // 10 ms |
Jonathan Austin |
1:8aa5cdb4ab67 | 391 | fast.maxConnectionInterval = 16; // 20 ms |
Jonathan Austin |
1:8aa5cdb4ab67 | 392 | fast.slaveLatency = 0; |
Jonathan Austin |
1:8aa5cdb4ab67 | 393 | ble->setPreferredConnectionParams(&fast); |
Jonathan Austin |
1:8aa5cdb4ab67 | 394 | |
bluetooth_mdw | 74:a8f5674a0079 | 395 | // Setup advertising. |
Jonathan Austin |
1:8aa5cdb4ab67 | 396 | #if CONFIG_ENABLED(MICROBIT_BLE_WHITELIST) |
Jonathan Austin |
1:8aa5cdb4ab67 | 397 | ble->accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED); |
Jonathan Austin |
1:8aa5cdb4ab67 | 398 | #else |
Jonathan Austin |
1:8aa5cdb4ab67 | 399 | ble->accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); |
Jonathan Austin |
1:8aa5cdb4ab67 | 400 | #endif |
Jonathan Austin |
1:8aa5cdb4ab67 | 401 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 402 | ble->accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)BLEName.toCharArray(), BLEName.length()); |
Jonathan Austin |
1:8aa5cdb4ab67 | 403 | ble->setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
Jonathan Austin |
1:8aa5cdb4ab67 | 404 | ble->setAdvertisingInterval(200); |
Jonathan Austin |
1:8aa5cdb4ab67 | 405 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 406 | #if (MICROBIT_BLE_ADVERTISING_TIMEOUT > 0) |
Jonathan Austin |
1:8aa5cdb4ab67 | 407 | ble->gap().setAdvertisingTimeout(MICROBIT_BLE_ADVERTISING_TIMEOUT); |
Jonathan Austin |
1:8aa5cdb4ab67 | 408 | #endif |
Jonathan Austin |
1:8aa5cdb4ab67 | 409 | |
bluetooth_mdw | 74:a8f5674a0079 | 410 | // If we have whitelisting enabled, then prevent only enable advertising of we have any binded devices... |
bluetooth_mdw | 74:a8f5674a0079 | 411 | // This is to further protect kids' privacy. If no-one initiates BLE, then the device is unreachable. |
bluetooth_mdw | 74:a8f5674a0079 | 412 | // If whiltelisting is disabled, then we always advertise. |
Jonathan Austin |
1:8aa5cdb4ab67 | 413 | #if CONFIG_ENABLED(MICROBIT_BLE_WHITELIST) |
Jonathan Austin |
1:8aa5cdb4ab67 | 414 | if (whitelist.size > 0) |
Jonathan Austin |
1:8aa5cdb4ab67 | 415 | #endif |
Jonathan Austin |
1:8aa5cdb4ab67 | 416 | ble->startAdvertising(); |
Jonathan Austin |
1:8aa5cdb4ab67 | 417 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 418 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 419 | /** |
Jonathan Austin |
1:8aa5cdb4ab67 | 420 | * Change the output power level of the transmitter to the given value. |
Jonathan Austin |
1:8aa5cdb4ab67 | 421 | * |
Jonathan Austin |
1:8aa5cdb4ab67 | 422 | * @param power a value in the range 0..7, where 0 is the lowest power and 7 is the highest. |
Jonathan Austin |
1:8aa5cdb4ab67 | 423 | * |
Jonathan Austin |
1:8aa5cdb4ab67 | 424 | * @return MICROBIT_OK on success, or MICROBIT_INVALID_PARAMETER if the value is out of range. |
Jonathan Austin |
1:8aa5cdb4ab67 | 425 | * |
Jonathan Austin |
1:8aa5cdb4ab67 | 426 | * @code |
Jonathan Austin |
1:8aa5cdb4ab67 | 427 | * // maximum transmission power. |
Jonathan Austin |
1:8aa5cdb4ab67 | 428 | * bleManager.setTransmitPower(7); |
Jonathan Austin |
1:8aa5cdb4ab67 | 429 | * @endcode |
Jonathan Austin |
1:8aa5cdb4ab67 | 430 | */ |
Jonathan Austin |
1:8aa5cdb4ab67 | 431 | int MicroBitBLEManager::setTransmitPower(int power) |
Jonathan Austin |
1:8aa5cdb4ab67 | 432 | { |
Jonathan Austin |
1:8aa5cdb4ab67 | 433 | if (power < 0 || power >= MICROBIT_BLE_POWER_LEVELS) |
Jonathan Austin |
1:8aa5cdb4ab67 | 434 | return MICROBIT_INVALID_PARAMETER; |
Jonathan Austin |
1:8aa5cdb4ab67 | 435 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 436 | if (ble->gap().setTxPower(MICROBIT_BLE_POWER_LEVEL[power]) != NRF_SUCCESS) |
Jonathan Austin |
1:8aa5cdb4ab67 | 437 | return MICROBIT_NOT_SUPPORTED; |
Jonathan Austin |
1:8aa5cdb4ab67 | 438 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 439 | return MICROBIT_OK; |
Jonathan Austin |
1:8aa5cdb4ab67 | 440 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 441 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 442 | /** |
Jonathan Austin |
1:8aa5cdb4ab67 | 443 | * Determines the number of devices currently bonded with this micro:bit. |
Jonathan Austin |
1:8aa5cdb4ab67 | 444 | * @return The number of active bonds. |
Jonathan Austin |
1:8aa5cdb4ab67 | 445 | */ |
Jonathan Austin |
1:8aa5cdb4ab67 | 446 | int MicroBitBLEManager::getBondCount() |
Jonathan Austin |
1:8aa5cdb4ab67 | 447 | { |
Jonathan Austin |
1:8aa5cdb4ab67 | 448 | BLEProtocol::Address_t bondedAddresses[MICROBIT_BLE_MAXIMUM_BONDS]; |
Jonathan Austin |
1:8aa5cdb4ab67 | 449 | Gap::Whitelist_t whitelist; |
Jonathan Austin |
1:8aa5cdb4ab67 | 450 | whitelist.addresses = bondedAddresses; |
Jonathan Austin |
1:8aa5cdb4ab67 | 451 | whitelist.capacity = MICROBIT_BLE_MAXIMUM_BONDS; |
Jonathan Austin |
1:8aa5cdb4ab67 | 452 | ble->securityManager().getAddressesFromBondTable(whitelist); |
Jonathan Austin |
1:8aa5cdb4ab67 | 453 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 454 | return whitelist.bonds; |
Jonathan Austin |
1:8aa5cdb4ab67 | 455 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 456 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 457 | /** |
Jonathan Austin |
1:8aa5cdb4ab67 | 458 | * A request to pair has been received from a BLE device. |
Jonathan Austin |
1:8aa5cdb4ab67 | 459 | * If we're in pairing mode, display the passkey to the user. |
Jonathan Austin |
1:8aa5cdb4ab67 | 460 | * Also, purge the bonding table if it has reached capacity. |
Jonathan Austin |
1:8aa5cdb4ab67 | 461 | * |
Jonathan Austin |
1:8aa5cdb4ab67 | 462 | * @note for internal use only. |
Jonathan Austin |
1:8aa5cdb4ab67 | 463 | */ |
Jonathan Austin |
1:8aa5cdb4ab67 | 464 | void MicroBitBLEManager::pairingRequested(ManagedString passKey) |
Jonathan Austin |
1:8aa5cdb4ab67 | 465 | { |
Jonathan Austin |
1:8aa5cdb4ab67 | 466 | // Update our mode to display the passkey. |
bluetooth_mdw | 74:a8f5674a0079 | 467 | this->passKey = passKey; |
bluetooth_mdw | 74:a8f5674a0079 | 468 | this->pairingStatus = MICROBIT_BLE_PAIR_REQUEST; |
Jonathan Austin |
1:8aa5cdb4ab67 | 469 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 470 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 471 | /** |
Jonathan Austin |
1:8aa5cdb4ab67 | 472 | * A pairing request has been sucessfully completed. |
Jonathan Austin |
1:8aa5cdb4ab67 | 473 | * If we're in pairing mode, display a success or failure message. |
Jonathan Austin |
1:8aa5cdb4ab67 | 474 | * |
Jonathan Austin |
1:8aa5cdb4ab67 | 475 | * @note for internal use only. |
Jonathan Austin |
1:8aa5cdb4ab67 | 476 | */ |
Jonathan Austin |
1:8aa5cdb4ab67 | 477 | void MicroBitBLEManager::pairingComplete(bool success) |
Jonathan Austin |
1:8aa5cdb4ab67 | 478 | { |
bluetooth_mdw | 74:a8f5674a0079 | 479 | this->pairingStatus = MICROBIT_BLE_PAIR_COMPLETE; |
bluetooth_mdw | 74:a8f5674a0079 | 480 | |
bluetooth_mdw | 74:a8f5674a0079 | 481 | pairing_completed_at_time = system_timer_current_time(); |
Jonathan Austin |
1:8aa5cdb4ab67 | 482 | |
bluetooth_mdw | 74:a8f5674a0079 | 483 | if (success) |
Jonathan Austin |
1:8aa5cdb4ab67 | 484 | { |
bluetooth_mdw | 74:a8f5674a0079 | 485 | this->pairingStatus |= MICROBIT_BLE_PAIR_SUCCESSFUL; |
Jonathan Austin |
1:8aa5cdb4ab67 | 486 | fiber_add_idle_component(this); |
Jonathan Austin |
1:8aa5cdb4ab67 | 487 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 488 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 489 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 490 | /** |
Jonathan Austin |
1:8aa5cdb4ab67 | 491 | * Periodic callback in thread context. |
Jonathan Austin |
1:8aa5cdb4ab67 | 492 | * We use this here purely to safely issue a disconnect operation after a pairing operation is complete. |
Jonathan Austin |
1:8aa5cdb4ab67 | 493 | */ |
Jonathan Austin |
1:8aa5cdb4ab67 | 494 | void MicroBitBLEManager::idleTick() |
Jonathan Austin |
1:8aa5cdb4ab67 | 495 | { |
bluetooth_mdw | 74:a8f5674a0079 | 496 | if((system_timer_current_time() - pairing_completed_at_time) >= MICROBIT_BLE_DISCONNECT_AFTER_PAIRING_DELAY) { |
bluetooth_mdw | 74:a8f5674a0079 | 497 | if (ble) |
bluetooth_mdw | 74:a8f5674a0079 | 498 | ble->disconnect(pairingHandle, Gap::REMOTE_DEV_TERMINATION_DUE_TO_POWER_OFF); |
bluetooth_mdw | 74:a8f5674a0079 | 499 | fiber_remove_idle_component(this); |
bluetooth_mdw | 74:a8f5674a0079 | 500 | } |
bluetooth_mdw | 74:a8f5674a0079 | 501 | |
bluetooth_mdw | 74:a8f5674a0079 | 502 | } |
bluetooth_mdw | 74:a8f5674a0079 | 503 | |
bluetooth_mdw | 74:a8f5674a0079 | 504 | |
bluetooth_mdw | 74:a8f5674a0079 | 505 | /** |
bluetooth_mdw | 74:a8f5674a0079 | 506 | * Stops any currently running BLE advertisements |
bluetooth_mdw | 74:a8f5674a0079 | 507 | */ |
bluetooth_mdw | 74:a8f5674a0079 | 508 | void MicroBitBLEManager::stopAdvertising() |
bluetooth_mdw | 74:a8f5674a0079 | 509 | { |
bluetooth_mdw | 74:a8f5674a0079 | 510 | ble->gap().stopAdvertising(); |
bluetooth_mdw | 74:a8f5674a0079 | 511 | } |
bluetooth_mdw | 74:a8f5674a0079 | 512 | |
bluetooth_mdw | 74:a8f5674a0079 | 513 | #if CONFIG_ENABLED(MICROBIT_BLE_EDDYSTONE_URL) |
bluetooth_mdw | 74:a8f5674a0079 | 514 | /** |
bluetooth_mdw | 74:a8f5674a0079 | 515 | * Set the content of Eddystone URL frames |
bluetooth_mdw | 74:a8f5674a0079 | 516 | * |
bluetooth_mdw | 74:a8f5674a0079 | 517 | * @param url The url to broadcast |
bluetooth_mdw | 74:a8f5674a0079 | 518 | * |
bluetooth_mdw | 74:a8f5674a0079 | 519 | * @param calibratedPower the transmission range of the beacon (Defaults to: 0xF0 ~10m). |
bluetooth_mdw | 74:a8f5674a0079 | 520 | * |
bluetooth_mdw | 74:a8f5674a0079 | 521 | * @param connectable true to keep bluetooth connectable for other services, false otherwise. (Defaults to true) |
bluetooth_mdw | 74:a8f5674a0079 | 522 | * |
bluetooth_mdw | 74:a8f5674a0079 | 523 | * @param interval the rate at which the micro:bit will advertise url frames. (Defaults to MICROBIT_BLE_EDDYSTONE_ADV_INTERVAL) |
bluetooth_mdw | 74:a8f5674a0079 | 524 | * |
bluetooth_mdw | 74:a8f5674a0079 | 525 | * @note The calibratedPower value ranges from -100 to +20 to a resolution of 1. The calibrated power should be binary encoded. |
bluetooth_mdw | 74:a8f5674a0079 | 526 | * More information can be found at https://github.com/google/eddystone/tree/master/eddystone-uid#tx-power |
bluetooth_mdw | 74:a8f5674a0079 | 527 | */ |
bluetooth_mdw | 74:a8f5674a0079 | 528 | int MicroBitBLEManager::advertiseEddystoneUrl(const char* url, int8_t calibratedPower, bool connectable, uint16_t interval) |
bluetooth_mdw | 74:a8f5674a0079 | 529 | { |
bluetooth_mdw | 74:a8f5674a0079 | 530 | ble->gap().stopAdvertising(); |
bluetooth_mdw | 74:a8f5674a0079 | 531 | ble->clearAdvertisingPayload(); |
bluetooth_mdw | 74:a8f5674a0079 | 532 | |
bluetooth_mdw | 74:a8f5674a0079 | 533 | ble->setAdvertisingType(connectable ? GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED : GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED); |
bluetooth_mdw | 74:a8f5674a0079 | 534 | ble->setAdvertisingInterval(interval); |
bluetooth_mdw | 74:a8f5674a0079 | 535 | |
bluetooth_mdw | 74:a8f5674a0079 | 536 | ble->accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); |
bluetooth_mdw | 74:a8f5674a0079 | 537 | |
bluetooth_mdw | 74:a8f5674a0079 | 538 | int ret = MicroBitEddystone::getInstance()->setURL(ble, url, calibratedPower); |
bluetooth_mdw | 74:a8f5674a0079 | 539 | |
bluetooth_mdw | 74:a8f5674a0079 | 540 | #if (MICROBIT_BLE_ADVERTISING_TIMEOUT > 0) |
bluetooth_mdw | 74:a8f5674a0079 | 541 | ble->gap().setAdvertisingTimeout(MICROBIT_BLE_ADVERTISING_TIMEOUT); |
bluetooth_mdw | 74:a8f5674a0079 | 542 | #endif |
bluetooth_mdw | 74:a8f5674a0079 | 543 | ble->gap().startAdvertising(); |
bluetooth_mdw | 74:a8f5674a0079 | 544 | |
bluetooth_mdw | 74:a8f5674a0079 | 545 | return ret; |
bluetooth_mdw | 74:a8f5674a0079 | 546 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 547 | |
bluetooth_mdw | 74:a8f5674a0079 | 548 | /** |
bluetooth_mdw | 74:a8f5674a0079 | 549 | * Set the content of Eddystone URL frames, but accepts a ManagedString as a url. |
bluetooth_mdw | 74:a8f5674a0079 | 550 | * |
bluetooth_mdw | 74:a8f5674a0079 | 551 | * @param url The url to broadcast |
bluetooth_mdw | 74:a8f5674a0079 | 552 | * |
bluetooth_mdw | 74:a8f5674a0079 | 553 | * @param calibratedPower the transmission range of the beacon (Defaults to: 0xF0 ~10m). |
bluetooth_mdw | 74:a8f5674a0079 | 554 | * |
bluetooth_mdw | 74:a8f5674a0079 | 555 | * @param connectable true to keep bluetooth connectable for other services, false otherwise. (Defaults to true) |
bluetooth_mdw | 74:a8f5674a0079 | 556 | * |
bluetooth_mdw | 74:a8f5674a0079 | 557 | * @param interval the rate at which the micro:bit will advertise url frames. (Defaults to MICROBIT_BLE_EDDYSTONE_ADV_INTERVAL) |
bluetooth_mdw | 74:a8f5674a0079 | 558 | * |
bluetooth_mdw | 74:a8f5674a0079 | 559 | * @note The calibratedPower value ranges from -100 to +20 to a resolution of 1. The calibrated power should be binary encoded. |
bluetooth_mdw | 74:a8f5674a0079 | 560 | * More information can be found at https://github.com/google/eddystone/tree/master/eddystone-uid#tx-power |
bluetooth_mdw | 74:a8f5674a0079 | 561 | */ |
bluetooth_mdw | 74:a8f5674a0079 | 562 | int MicroBitBLEManager::advertiseEddystoneUrl(ManagedString url, int8_t calibratedPower, bool connectable, uint16_t interval) |
bluetooth_mdw | 74:a8f5674a0079 | 563 | { |
bluetooth_mdw | 74:a8f5674a0079 | 564 | return advertiseEddystoneUrl((char *)url.toCharArray(), calibratedPower, connectable, interval); |
Jonathan Austin |
1:8aa5cdb4ab67 | 565 | } |
bluetooth_mdw | 74:a8f5674a0079 | 566 | #endif |
bluetooth_mdw | 74:a8f5674a0079 | 567 | |
bluetooth_mdw | 74:a8f5674a0079 | 568 | #if CONFIG_ENABLED(MICROBIT_BLE_EDDYSTONE_UID) |
bluetooth_mdw | 74:a8f5674a0079 | 569 | /** |
bluetooth_mdw | 74:a8f5674a0079 | 570 | * Set the content of Eddystone UID frames |
bluetooth_mdw | 74:a8f5674a0079 | 571 | * |
bluetooth_mdw | 74:a8f5674a0079 | 572 | * @param uid_namespace: the uid namespace. Must 10 bytes long. |
bluetooth_mdw | 74:a8f5674a0079 | 573 | * |
bluetooth_mdw | 74:a8f5674a0079 | 574 | * @param uid_instance: the uid instance value. Must 6 bytes long. |
bluetooth_mdw | 74:a8f5674a0079 | 575 | * |
bluetooth_mdw | 74:a8f5674a0079 | 576 | * @param calibratedPower the transmission range of the beacon (Defaults to: 0xF0 ~10m). |
bluetooth_mdw | 74:a8f5674a0079 | 577 | * |
bluetooth_mdw | 74:a8f5674a0079 | 578 | * @param connectable true to keep bluetooth connectable for other services, false otherwise. (Defaults to true) |
bluetooth_mdw | 74:a8f5674a0079 | 579 | * |
bluetooth_mdw | 74:a8f5674a0079 | 580 | * @param interval the rate at which the micro:bit will advertise url frames. (Defaults to MICROBIT_BLE_EDDYSTONE_ADV_INTERVAL) |
bluetooth_mdw | 74:a8f5674a0079 | 581 | * |
bluetooth_mdw | 74:a8f5674a0079 | 582 | * @note The calibratedPower value ranges from -100 to +20 to a resolution of 1. The calibrated power should be binary encoded. |
bluetooth_mdw | 74:a8f5674a0079 | 583 | * More information can be found at https://github.com/google/eddystone/tree/master/eddystone-uid#tx-power |
bluetooth_mdw | 74:a8f5674a0079 | 584 | */ |
bluetooth_mdw | 74:a8f5674a0079 | 585 | int MicroBitBLEManager::advertiseEddystoneUid(const char* uid_namespace, const char* uid_instance, int8_t calibratedPower, bool connectable, uint16_t interval) |
bluetooth_mdw | 74:a8f5674a0079 | 586 | { |
bluetooth_mdw | 74:a8f5674a0079 | 587 | ble->gap().stopAdvertising(); |
bluetooth_mdw | 74:a8f5674a0079 | 588 | ble->clearAdvertisingPayload(); |
bluetooth_mdw | 74:a8f5674a0079 | 589 | |
bluetooth_mdw | 74:a8f5674a0079 | 590 | ble->setAdvertisingType(connectable ? GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED : GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED); |
bluetooth_mdw | 74:a8f5674a0079 | 591 | ble->setAdvertisingInterval(interval); |
bluetooth_mdw | 74:a8f5674a0079 | 592 | |
bluetooth_mdw | 74:a8f5674a0079 | 593 | ble->accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); |
bluetooth_mdw | 74:a8f5674a0079 | 594 | |
bluetooth_mdw | 74:a8f5674a0079 | 595 | int ret = MicroBitEddystone::getInstance()->setUID(ble, uid_namespace, uid_instance, calibratedPower); |
bluetooth_mdw | 74:a8f5674a0079 | 596 | |
bluetooth_mdw | 74:a8f5674a0079 | 597 | #if (MICROBIT_BLE_ADVERTISING_TIMEOUT > 0) |
bluetooth_mdw | 74:a8f5674a0079 | 598 | ble->gap().setAdvertisingTimeout(MICROBIT_BLE_ADVERTISING_TIMEOUT); |
bluetooth_mdw | 74:a8f5674a0079 | 599 | #endif |
bluetooth_mdw | 74:a8f5674a0079 | 600 | ble->gap().startAdvertising(); |
bluetooth_mdw | 74:a8f5674a0079 | 601 | |
bluetooth_mdw | 74:a8f5674a0079 | 602 | return ret; |
bluetooth_mdw | 74:a8f5674a0079 | 603 | } |
bluetooth_mdw | 74:a8f5674a0079 | 604 | #endif |
Jonathan Austin |
1:8aa5cdb4ab67 | 605 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 606 | /** |
Jonathan Austin |
1:8aa5cdb4ab67 | 607 | * Enter pairing mode. This is mode is called to initiate pairing, and to enable FOTA programming |
Jonathan Austin |
1:8aa5cdb4ab67 | 608 | * of the micro:bit in cases where BLE is disabled during normal operation. |
Jonathan Austin |
1:8aa5cdb4ab67 | 609 | * |
Jonathan Austin |
1:8aa5cdb4ab67 | 610 | * @param display An instance of MicroBitDisplay used when displaying pairing information. |
Jonathan Austin |
1:8aa5cdb4ab67 | 611 | * @param authorizationButton The button to use to authorise a pairing request. |
Jonathan Austin |
1:8aa5cdb4ab67 | 612 | * |
Jonathan Austin |
1:8aa5cdb4ab67 | 613 | * @code |
Jonathan Austin |
1:8aa5cdb4ab67 | 614 | * // initiate pairing mode |
Jonathan Austin |
1:8aa5cdb4ab67 | 615 | * bleManager.pairingMode(uBit.display, uBit.buttonA); |
Jonathan Austin |
1:8aa5cdb4ab67 | 616 | * @endcode |
Jonathan Austin |
1:8aa5cdb4ab67 | 617 | */ |
bluetooth_mdw | 74:a8f5674a0079 | 618 | void MicroBitBLEManager::pairingMode(MicroBitDisplay &display, MicroBitButton &authorisationButton) |
Jonathan Austin |
1:8aa5cdb4ab67 | 619 | { |
bluetooth_mdw | 74:a8f5674a0079 | 620 | ManagedString namePrefix("BBC micro:bit ["); |
bluetooth_mdw | 74:a8f5674a0079 | 621 | ManagedString namePostfix("]"); |
bluetooth_mdw | 74:a8f5674a0079 | 622 | ManagedString BLEName = namePrefix + deviceName + namePostfix; |
Jonathan Austin |
1:8aa5cdb4ab67 | 623 | |
bluetooth_mdw | 74:a8f5674a0079 | 624 | ManagedString msg("PAIRING MODE!"); |
Jonathan Austin |
1:8aa5cdb4ab67 | 625 | |
bluetooth_mdw | 74:a8f5674a0079 | 626 | int timeInPairingMode = 0; |
bluetooth_mdw | 74:a8f5674a0079 | 627 | int brightness = 255; |
bluetooth_mdw | 74:a8f5674a0079 | 628 | int fadeDirection = 0; |
Jonathan Austin |
1:8aa5cdb4ab67 | 629 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 630 | ble->gap().stopAdvertising(); |
Jonathan Austin |
1:8aa5cdb4ab67 | 631 | |
bluetooth_mdw | 74:a8f5674a0079 | 632 | // Clear the whitelist (if we have one), so that we're discoverable by all BLE devices. |
Jonathan Austin |
1:8aa5cdb4ab67 | 633 | #if CONFIG_ENABLED(MICROBIT_BLE_WHITELIST) |
Jonathan Austin |
1:8aa5cdb4ab67 | 634 | BLEProtocol::Address_t addresses[MICROBIT_BLE_MAXIMUM_BONDS]; |
Jonathan Austin |
1:8aa5cdb4ab67 | 635 | Gap::Whitelist_t whitelist; |
Jonathan Austin |
1:8aa5cdb4ab67 | 636 | whitelist.addresses = addresses; |
Jonathan Austin |
1:8aa5cdb4ab67 | 637 | whitelist.capacity = MICROBIT_BLE_MAXIMUM_BONDS; |
Jonathan Austin |
1:8aa5cdb4ab67 | 638 | whitelist.size = 0; |
Jonathan Austin |
1:8aa5cdb4ab67 | 639 | ble->gap().setWhitelist(whitelist); |
Jonathan Austin |
1:8aa5cdb4ab67 | 640 | ble->gap().setAdvertisingPolicyMode(Gap::ADV_POLICY_IGNORE_WHITELIST); |
Jonathan Austin |
1:8aa5cdb4ab67 | 641 | #endif |
Jonathan Austin |
1:8aa5cdb4ab67 | 642 | |
bluetooth_mdw | 74:a8f5674a0079 | 643 | // Update the advertised name of this micro:bit to include the device name |
Jonathan Austin |
1:8aa5cdb4ab67 | 644 | ble->clearAdvertisingPayload(); |
Jonathan Austin |
1:8aa5cdb4ab67 | 645 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 646 | ble->accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); |
Jonathan Austin |
1:8aa5cdb4ab67 | 647 | ble->accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)BLEName.toCharArray(), BLEName.length()); |
Jonathan Austin |
1:8aa5cdb4ab67 | 648 | ble->setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
Jonathan Austin |
1:8aa5cdb4ab67 | 649 | ble->setAdvertisingInterval(200); |
Jonathan Austin |
1:8aa5cdb4ab67 | 650 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 651 | ble->gap().setAdvertisingTimeout(0); |
Jonathan Austin |
1:8aa5cdb4ab67 | 652 | ble->gap().startAdvertising(); |
Jonathan Austin |
1:8aa5cdb4ab67 | 653 | |
bluetooth_mdw | 74:a8f5674a0079 | 654 | // Stop any running animations on the display |
bluetooth_mdw | 74:a8f5674a0079 | 655 | display.stopAnimation(); |
bluetooth_mdw | 74:a8f5674a0079 | 656 | display.scroll(msg); |
Jonathan Austin |
1:8aa5cdb4ab67 | 657 | |
bluetooth_mdw | 74:a8f5674a0079 | 658 | // Display our name, visualised as a histogram in the display to aid identification. |
bluetooth_mdw | 74:a8f5674a0079 | 659 | showNameHistogram(display); |
Jonathan Austin |
1:8aa5cdb4ab67 | 660 | |
bluetooth_mdw | 74:a8f5674a0079 | 661 | while (1) |
bluetooth_mdw | 74:a8f5674a0079 | 662 | { |
bluetooth_mdw | 74:a8f5674a0079 | 663 | if (pairingStatus & MICROBIT_BLE_PAIR_REQUEST) |
bluetooth_mdw | 74:a8f5674a0079 | 664 | { |
bluetooth_mdw | 74:a8f5674a0079 | 665 | timeInPairingMode = 0; |
bluetooth_mdw | 74:a8f5674a0079 | 666 | MicroBitImage arrow("0,0,255,0,0\n0,255,0,0,0\n255,255,255,255,255\n0,255,0,0,0\n0,0,255,0,0\n"); |
bluetooth_mdw | 74:a8f5674a0079 | 667 | display.print(arrow, 0, 0, 0); |
Jonathan Austin |
1:8aa5cdb4ab67 | 668 | |
bluetooth_mdw | 74:a8f5674a0079 | 669 | if (fadeDirection == 0) |
bluetooth_mdw | 74:a8f5674a0079 | 670 | brightness -= MICROBIT_PAIRING_FADE_SPEED; |
bluetooth_mdw | 74:a8f5674a0079 | 671 | else |
bluetooth_mdw | 74:a8f5674a0079 | 672 | brightness += MICROBIT_PAIRING_FADE_SPEED; |
Jonathan Austin |
1:8aa5cdb4ab67 | 673 | |
bluetooth_mdw | 74:a8f5674a0079 | 674 | if (brightness <= 40) |
bluetooth_mdw | 74:a8f5674a0079 | 675 | display.clear(); |
Jonathan Austin |
1:8aa5cdb4ab67 | 676 | |
bluetooth_mdw | 74:a8f5674a0079 | 677 | if (brightness <= 0) |
bluetooth_mdw | 74:a8f5674a0079 | 678 | fadeDirection = 1; |
Jonathan Austin |
1:8aa5cdb4ab67 | 679 | |
bluetooth_mdw | 74:a8f5674a0079 | 680 | if (brightness >= 255) |
bluetooth_mdw | 74:a8f5674a0079 | 681 | fadeDirection = 0; |
Jonathan Austin |
1:8aa5cdb4ab67 | 682 | |
bluetooth_mdw | 74:a8f5674a0079 | 683 | if (authorisationButton.isPressed()) |
bluetooth_mdw | 74:a8f5674a0079 | 684 | { |
bluetooth_mdw | 74:a8f5674a0079 | 685 | pairingStatus &= ~MICROBIT_BLE_PAIR_REQUEST; |
bluetooth_mdw | 74:a8f5674a0079 | 686 | pairingStatus |= MICROBIT_BLE_PAIR_PASSCODE; |
bluetooth_mdw | 74:a8f5674a0079 | 687 | } |
bluetooth_mdw | 74:a8f5674a0079 | 688 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 689 | |
bluetooth_mdw | 74:a8f5674a0079 | 690 | if (pairingStatus & MICROBIT_BLE_PAIR_PASSCODE) |
bluetooth_mdw | 74:a8f5674a0079 | 691 | { |
bluetooth_mdw | 74:a8f5674a0079 | 692 | timeInPairingMode = 0; |
bluetooth_mdw | 74:a8f5674a0079 | 693 | display.setBrightness(255); |
bluetooth_mdw | 74:a8f5674a0079 | 694 | for (int i = 0; i < passKey.length(); i++) |
bluetooth_mdw | 74:a8f5674a0079 | 695 | { |
bluetooth_mdw | 74:a8f5674a0079 | 696 | display.image.print(passKey.charAt(i), 0, 0); |
bluetooth_mdw | 74:a8f5674a0079 | 697 | fiber_sleep(800); |
bluetooth_mdw | 74:a8f5674a0079 | 698 | display.clear(); |
bluetooth_mdw | 74:a8f5674a0079 | 699 | fiber_sleep(200); |
Jonathan Austin |
1:8aa5cdb4ab67 | 700 | |
bluetooth_mdw | 74:a8f5674a0079 | 701 | if (pairingStatus & MICROBIT_BLE_PAIR_COMPLETE) |
bluetooth_mdw | 74:a8f5674a0079 | 702 | break; |
bluetooth_mdw | 74:a8f5674a0079 | 703 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 704 | |
bluetooth_mdw | 74:a8f5674a0079 | 705 | fiber_sleep(1000); |
bluetooth_mdw | 74:a8f5674a0079 | 706 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 707 | |
bluetooth_mdw | 74:a8f5674a0079 | 708 | if (pairingStatus & MICROBIT_BLE_PAIR_COMPLETE) |
bluetooth_mdw | 74:a8f5674a0079 | 709 | { |
bluetooth_mdw | 74:a8f5674a0079 | 710 | if (pairingStatus & MICROBIT_BLE_PAIR_SUCCESSFUL) |
bluetooth_mdw | 74:a8f5674a0079 | 711 | { |
bluetooth_mdw | 74:a8f5674a0079 | 712 | MicroBitImage tick("0,0,0,0,0\n0,0,0,0,255\n0,0,0,255,0\n255,0,255,0,0\n0,255,0,0,0\n"); |
bluetooth_mdw | 74:a8f5674a0079 | 713 | display.print(tick, 0, 0, 0); |
Jonathan Austin |
1:8aa5cdb4ab67 | 714 | fiber_sleep(15000); |
bluetooth_mdw | 74:a8f5674a0079 | 715 | timeInPairingMode = MICROBIT_BLE_PAIRING_TIMEOUT * 30; |
Jonathan Austin |
1:8aa5cdb4ab67 | 716 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 717 | /* |
Jonathan Austin |
1:8aa5cdb4ab67 | 718 | * Disabled, as the API to return the number of active bonds is not reliable at present... |
Jonathan Austin |
1:8aa5cdb4ab67 | 719 | * |
Jonathan Austin |
1:8aa5cdb4ab67 | 720 | display.clear(); |
Jonathan Austin |
1:8aa5cdb4ab67 | 721 | ManagedString c(getBondCount()); |
Jonathan Austin |
1:8aa5cdb4ab67 | 722 | ManagedString c2("/"); |
Jonathan Austin |
1:8aa5cdb4ab67 | 723 | ManagedString c3(MICROBIT_BLE_MAXIMUM_BONDS); |
Jonathan Austin |
1:8aa5cdb4ab67 | 724 | ManagedString c4("USED"); |
Jonathan Austin |
1:8aa5cdb4ab67 | 725 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 726 | display.scroll(c+c2+c3+c4); |
Jonathan Austin |
1:8aa5cdb4ab67 | 727 | * |
Jonathan Austin |
1:8aa5cdb4ab67 | 728 | * |
Jonathan Austin |
1:8aa5cdb4ab67 | 729 | */ |
bluetooth_mdw | 74:a8f5674a0079 | 730 | } |
bluetooth_mdw | 74:a8f5674a0079 | 731 | else |
bluetooth_mdw | 74:a8f5674a0079 | 732 | { |
bluetooth_mdw | 74:a8f5674a0079 | 733 | MicroBitImage cross("255,0,0,0,255\n0,255,0,255,0\n0,0,255,0,0\n0,255,0,255,0\n255,0,0,0,255\n"); |
bluetooth_mdw | 74:a8f5674a0079 | 734 | display.print(cross, 0, 0, 0); |
bluetooth_mdw | 74:a8f5674a0079 | 735 | } |
bluetooth_mdw | 74:a8f5674a0079 | 736 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 737 | |
bluetooth_mdw | 74:a8f5674a0079 | 738 | fiber_sleep(100); |
bluetooth_mdw | 74:a8f5674a0079 | 739 | timeInPairingMode++; |
Jonathan Austin |
1:8aa5cdb4ab67 | 740 | |
bluetooth_mdw | 74:a8f5674a0079 | 741 | if (timeInPairingMode >= MICROBIT_BLE_PAIRING_TIMEOUT * 30) |
bluetooth_mdw | 74:a8f5674a0079 | 742 | microbit_reset(); |
bluetooth_mdw | 74:a8f5674a0079 | 743 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 744 | } |
Jonathan Austin |
1:8aa5cdb4ab67 | 745 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 746 | /** |
Jonathan Austin |
1:8aa5cdb4ab67 | 747 | * Displays the device's ID code as a histogram on the provided MicroBitDisplay instance. |
Jonathan Austin |
1:8aa5cdb4ab67 | 748 | * |
Jonathan Austin |
1:8aa5cdb4ab67 | 749 | * @param display The display instance used for displaying the histogram. |
Jonathan Austin |
1:8aa5cdb4ab67 | 750 | */ |
Jonathan Austin |
1:8aa5cdb4ab67 | 751 | void MicroBitBLEManager::showNameHistogram(MicroBitDisplay &display) |
Jonathan Austin |
1:8aa5cdb4ab67 | 752 | { |
Jonathan Austin |
1:8aa5cdb4ab67 | 753 | uint32_t n = NRF_FICR->DEVICEID[1]; |
Jonathan Austin |
1:8aa5cdb4ab67 | 754 | int ld = 1; |
Jonathan Austin |
1:8aa5cdb4ab67 | 755 | int d = MICROBIT_DFU_HISTOGRAM_HEIGHT; |
Jonathan Austin |
1:8aa5cdb4ab67 | 756 | int h; |
Jonathan Austin |
1:8aa5cdb4ab67 | 757 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 758 | display.clear(); |
bluetooth_mdw | 74:a8f5674a0079 | 759 | for (int i = 0; i < MICROBIT_DFU_HISTOGRAM_WIDTH; i++) |
Jonathan Austin |
1:8aa5cdb4ab67 | 760 | { |
Jonathan Austin |
1:8aa5cdb4ab67 | 761 | h = (n % d) / ld; |
Jonathan Austin |
1:8aa5cdb4ab67 | 762 | |
Jonathan Austin |
1:8aa5cdb4ab67 | 763 | n -= h; |
Jonathan Austin |
1:8aa5cdb4ab67 | 764 | d *= MICROBIT_DFU_HISTOGRAM_HEIGHT; |
Jonathan Austin |
1:8aa5cdb4ab67 | 765 | ld *= MICROBIT_DFU_HISTOGRAM_HEIGHT; |
Jonathan Austin |
1:8aa5cdb4ab67 | 766 | |
bluetooth_mdw | 74:a8f5674a0079 | 767 | for (int j = 0; j < h + 1; j++) |
bluetooth_mdw | 74:a8f5674a0079 | 768 | display.image.setPixelValue(MICROBIT_DFU_HISTOGRAM_WIDTH - i - 1, MICROBIT_DFU_HISTOGRAM_HEIGHT - j - 1, 255); |
Jonathan Austin |
1:8aa5cdb4ab67 | 769 | } |
bluetooth_mdw | 74:a8f5674a0079 | 770 | } |