disabled BLE to use radio
Dependencies: BLE_API nRF51822 mbed-dev-bin
Diff: source/bluetooth/MicroBitButtonService.cpp
- Revision:
- 1:8aa5cdb4ab67
- Child:
- 32:ece16b5987dd
diff -r fb15f7887843 -r 8aa5cdb4ab67 source/bluetooth/MicroBitButtonService.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/source/bluetooth/MicroBitButtonService.cpp Thu Apr 07 01:33:22 2016 +0100 @@ -0,0 +1,143 @@ +/* +The MIT License (MIT) + +Copyright (c) 2016 British Broadcasting Corporation. +This software is provided by Lancaster University by arrangement with the BBC. + +Permission is hereby granted, free of charge, to any person obtaining a +copy of this software and associated documentation files (the "Software"), +to deal in the Software without restriction, including without limitation +the rights to use, copy, modify, merge, publish, distribute, sublicense, +and/or sell copies of the Software, and to permit persons to whom the +Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +DEALINGS IN THE SOFTWARE. +*/ + +/** + * Class definition for the custom MicroBit Button Service. + * Provides a BLE service to remotely read the state of each button, and configure its behaviour. + */ +#include "MicroBitConfig.h" +#include "ble/UUID.h" + +#include "MicroBitButtonService.h" +#include "MicroBitButton.h" + +/** + * Constructor. + * Create a representation of the ButtonService + * @param _ble The instance of a BLE device that we're running on. + */ +MicroBitButtonService::MicroBitButtonService(BLEDevice &_ble) : + ble(_ble) +{ + // Create the data structures that represent each of our characteristics in Soft Device. + GattCharacteristic buttonADataCharacteristic(MicroBitButtonAServiceDataUUID, (uint8_t *)&buttonADataCharacteristicBuffer, 0, + sizeof(buttonADataCharacteristicBuffer), GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY); + + GattCharacteristic buttonBDataCharacteristic(MicroBitButtonBServiceDataUUID, (uint8_t *)&buttonADataCharacteristicBuffer, 0, + sizeof(buttonADataCharacteristicBuffer), GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY); + + + // Initialise our characteristic values. + buttonADataCharacteristicBuffer = 0; + buttonBDataCharacteristicBuffer = 0; + + // Set default security requirements + buttonADataCharacteristic.requireSecurity(SecurityManager::MICROBIT_BLE_SECURITY_LEVEL); + buttonBDataCharacteristic.requireSecurity(SecurityManager::MICROBIT_BLE_SECURITY_LEVEL); + + GattCharacteristic *characteristics[] = {&buttonADataCharacteristic, &buttonBDataCharacteristic}; + GattService service(MicroBitButtonServiceUUID, characteristics, sizeof(characteristics) / sizeof(GattCharacteristic *)); + + ble.addService(service); + + buttonADataCharacteristicHandle = buttonADataCharacteristic.getValueHandle(); + buttonBDataCharacteristicHandle = buttonBDataCharacteristic.getValueHandle(); + + ble.gattServer().write(buttonADataCharacteristicHandle,(uint8_t *)&buttonADataCharacteristicBuffer, sizeof(buttonADataCharacteristicBuffer)); + ble.gattServer().write(buttonBDataCharacteristicHandle,(uint8_t *)&buttonBDataCharacteristicBuffer, sizeof(buttonBDataCharacteristicBuffer)); + + if (EventModel::defaultEventBus) + { + EventModel::defaultEventBus->listen(MICROBIT_ID_BUTTON_A, MICROBIT_EVT_ANY, this, &MicroBitButtonService::buttonAUpdate, MESSAGE_BUS_LISTENER_IMMEDIATE); + EventModel::defaultEventBus->listen(MICROBIT_ID_BUTTON_B, MICROBIT_EVT_ANY, this, &MicroBitButtonService::buttonBUpdate, MESSAGE_BUS_LISTENER_IMMEDIATE); + } +} + + +/** + * Button B update callback + */ +void MicroBitButtonService::buttonAUpdate(MicroBitEvent e) +{ + if (ble.getGapState().connected) + { + if (e.value == MICROBIT_BUTTON_EVT_UP) + { + buttonADataCharacteristicBuffer = 0; + ble.gattServer().notify(buttonADataCharacteristicHandle,(uint8_t *)&buttonADataCharacteristicBuffer, sizeof(buttonADataCharacteristicBuffer)); + } + + if (e.value == MICROBIT_BUTTON_EVT_DOWN) + { + buttonADataCharacteristicBuffer = 1; + ble.gattServer().notify(buttonADataCharacteristicHandle,(uint8_t *)&buttonADataCharacteristicBuffer, sizeof(buttonADataCharacteristicBuffer)); + } + + if (e.value == MICROBIT_BUTTON_EVT_HOLD) + { + buttonADataCharacteristicBuffer = 2; + ble.gattServer().notify(buttonADataCharacteristicHandle,(uint8_t *)&buttonADataCharacteristicBuffer, sizeof(buttonADataCharacteristicBuffer)); + } + } +} + +/** + * Button A update callback + */ +void MicroBitButtonService::buttonBUpdate(MicroBitEvent e) +{ + if (ble.getGapState().connected) + { + if (e.value == MICROBIT_BUTTON_EVT_UP) + { + buttonBDataCharacteristicBuffer = 0; + ble.gattServer().notify(buttonBDataCharacteristicHandle,(uint8_t *)&buttonBDataCharacteristicBuffer, sizeof(buttonBDataCharacteristicBuffer)); + } + + if (e.value == MICROBIT_BUTTON_EVT_DOWN) + { + buttonBDataCharacteristicBuffer = 1; + ble.gattServer().notify(buttonBDataCharacteristicHandle,(uint8_t *)&buttonBDataCharacteristicBuffer, sizeof(buttonBDataCharacteristicBuffer)); + } + + if (e.value == MICROBIT_BUTTON_EVT_HOLD) + { + buttonBDataCharacteristicBuffer = 2; + ble.gattServer().notify(buttonBDataCharacteristicHandle,(uint8_t *)&buttonBDataCharacteristicBuffer, sizeof(buttonBDataCharacteristicBuffer)); + } + } +} + +const uint8_t MicroBitButtonServiceUUID[] = { + 0xe9,0x5d,0x98,0x82,0x25,0x1d,0x47,0x0a,0xa0,0x62,0xfa,0x19,0x22,0xdf,0xa9,0xa8 +}; + +const uint8_t MicroBitButtonAServiceDataUUID[] = { + 0xe9,0x5d,0xda,0x90,0x25,0x1d,0x47,0x0a,0xa0,0x62,0xfa,0x19,0x22,0xdf,0xa9,0xa8 +} +; +const uint8_t MicroBitButtonBServiceDataUUID[] = { + 0xe9,0x5d,0xda,0x91,0x25,0x1d,0x47,0x0a,0xa0,0x62,0xfa,0x19,0x22,0xdf,0xa9,0xa8 +};