microbit: pre-compilation backup only.
Joe Finney
parent
2532d2f0b5
commit
6dca3ed8d4
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#include "MicroBit.h"
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#define MICROBIT_BLE_ENABLE_BONDING true
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#define MICROBIT_BLE_REQUIRE_MITM true
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#if CONFIG_ENABLED(MICROBIT_BLE_ENABLED) && CONFIG_ENABLED(MICROBIT_BLE_DEVICE_INFORMATION_SERVICE)
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const char* MICROBIT_BLE_MANUFACTURER = "The Cast of W1A";
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const char* MICROBIT_BLE_MODEL = "BBC micro:bit";
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const char* MICROBIT_BLE_HARDWARE_VERSION = "1.0";
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const char* MICROBIT_BLE_FIRMWARE_VERSION = MICROBIT_DAL_VERSION;
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const char* MICROBIT_BLE_SOFTWARE_VERSION = NULL;
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/*
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* Many of the mbed interfaces we need to use only support callbacks to plain C functions, rather than C++ methods.
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* So, we maintain a pointer to the MicroBitBLEManager that's in use. Ths way, we can still access resources on the micro:bit
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* whilst keeping the code modular.
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*/
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static MicroBitBLEManager *manager = NULL;
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/**
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* Callback when a BLE GATT disconnect occurs.
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*/
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static void bleDisconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason)
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{
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(void) handle; /* -Wunused-param */
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(void) reason; /* -Wunused-param */
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if (manager)
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manager->bleDisconnectionCallback();
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}
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static void passkeyDisplayCallback(Gap::Handle_t handle, const SecurityManager::Passkey_t passkey)
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{
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(void) handle; /* -Wunused-param */
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printf("Input passKey: ");
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for (unsigned i = 0; i < Gap::ADDR_LEN; i++) {
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printf("%c", passkey[i]);
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}
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printf("\r\n");
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}
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static void securitySetupCompletedCallback(Gap::Handle_t handle, SecurityManager::SecurityCompletionStatus_t status)
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{
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(void) handle; /* -Wunused-param */
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if (status == SecurityManager::SEC_STATUS_SUCCESS) {
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printf("Security success %d\r\n", status);
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} else {
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printf("Security failed %d\r\n", status);
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}
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}
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static void securitySetupInitiatedCallback(Gap::Handle_t handle, bool allowBonding, bool requireMITM, SecurityManager::SecurityIOCapabilities_t iocaps)
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{
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(void) handle; /* -Wunused-param */
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(void) allowBonding; /* -Wunused-param */
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(void) requireMITM; /* -Wunused-param */
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(void) iocaps; /* -Wunused-param */
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printf("Security setup initiated\r\n");
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}
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void initializeSecurity(BLE &ble)
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{
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bool enableBonding = true;
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bool requireMITM = HID_SECURITY_REQUIRE_MITM;
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ble.securityManager().onSecuritySetupInitiated(securitySetupInitiatedCallback);
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ble.securityManager().onPasskeyDisplay(passkeyDisplayCallback);
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ble.securityManager().onSecuritySetupCompleted(securitySetupCompletedCallback);
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ble.securityManager().init(enableBonding, requireMITM, HID_SECURITY_IOCAPS);
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}
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void MicroBitBLEManager::bleDisconnectionCallback()
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{
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ble.startAdvertising();
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}
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/**
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* Constructor.
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*
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* Configure and manage the micro:bit's Bluetooth Low Energy (BLE) stack.
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* Note that the BLE stack *cannot* be brought up in a static context.
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* (the software simply hangs or corrupts itself).
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* Hence, we bring it up in an explicit init() method, rather than in the constructor.
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*/
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MicroBitBLEManager::MicroBitBLEManager()
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{
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}
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/**
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* Post constructor initialisation method.
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* After *MUCH* pain, it's noted that the BLE stack can't be brought up in a
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* static context, so we bring it up here rather than in the constructor.
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* n.b. This method *must* be called in main() or later, not before.
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*
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* Example:
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* @code
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* uBit.init();
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* @endcode
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*/
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void MicroBitBLEManager::init()
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{
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// Start the BLE stack.
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ble = new BLEDevice();
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ble->init();
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// automatically restart advertising after a device disconnects.
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ble->onDisconnection(bleDisconnectionCallback);
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// Setup our security requirements.
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ble->securityManager().onSecuritySetupInitiated(securitySetupInitiatedCallback);
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ble->securityManager().onPasskeyDisplay(passkeyDisplayCallback);
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ble->securityManager().onSecuritySetupCompleted(securitySetupCompletedCallback);
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ble.securityManager().init(MICROBIT_BLE_ENABLE_BONDING, MICROBIT_BLE_REQUIRE_MITM, HID_SECURITY_IOCAPS);
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// Bring up any configured auxiliary services.
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#if CONFIG_ENABLED(MICROBIT_BLE_DFU_SERVICE)
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ble_firmware_update_service = new MicroBitDFUService(*ble);
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#endif
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#if CONFIG_ENABLED(MICROBIT_BLE_DEVICE_INFORMATION_SERVICE)
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DeviceInformationService ble_device_information_service (*ble, MICROBIT_BLE_MANUFACTURER, MICROBIT_BLE_MODEL, getSerial().toCharArray(), MICROBIT_BLE_HARDWARE_VERSION, MICROBIT_BLE_FIRMWARE_VERSION, MICROBIT_BLE_SOFTWARE_VERSION);
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#endif
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#if CONFIG_ENABLED(MICROBIT_BLE_EVENT_SERVICE)
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new MicroBitEventService(*ble);
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#endif
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#if CONFIG_ENABLED(MICROBIT_BLE_LED_SERVICE)
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new MicroBitLEDService(*ble);
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#endif
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#if CONFIG_ENABLED(MICROBIT_BLE_ACCELEROMETER_SERVICE)
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new MicroBitAccelerometerService(*ble);
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#endif
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#if CONFIG_ENABLED(MICROBIT_BLE_MAGNETOMETER_SERVICE)
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new MicroBitMagnetometerService(*ble);
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#endif
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#if CONFIG_ENABLED(MICROBIT_BLE_BUTTON_SERVICE)
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new MicroBitButtonService(*ble);
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#endif
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#if CONFIG_ENABLED(MICROBIT_BLE_IO_PIN_SERVICE)
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new MicroBitIOPinService(*ble);
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#endif
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#if CONFIG_ENABLED(MICROBIT_BLE_TEMPERATURE_SERVICE)
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new MicroBitTemperatureService(*ble);
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#endif
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// Configure for high speed mode where possible.
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Gap::ConnectionParams_t fast;
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ble->getPreferredConnectionParams(&fast);
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fast.minConnectionInterval = 8; // 10 ms
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fast.maxConnectionInterval = 16; // 20 ms
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fast.slaveLatency = 0;
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ble->setPreferredConnectionParams(&fast);
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// Setup advertising.
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ble->accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
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ble->accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)MICROBIT_BLE_DEVICE_NAME, sizeof(MICROBIT_BLE_DEVICE_NAME));
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ble->setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
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ble->setAdvertisingInterval(Gap::MSEC_TO_ADVERTISEMENT_DURATION_UNITS(200));
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ble->startAdvertising();
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#endif
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}
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