Auto updating alarm watch - accepts alarm settings from a BLE device like a Raspberry Pi and buzzes at the appropriate time - also displays binary time
Dependencies: BLE_API mbed-src nRF51822 nrf51_rtc
WatchTimeService.h
- Committer:
- Bobty
- Date:
- 2015-07-27
- Revision:
- 3:a4b8d67de1b1
- Child:
- 5:2682353a8c32
File content as of revision 3:a4b8d67de1b1:
// BLE Service for Watch Time // To allow a watch device to be told the current time #ifndef __BLE_WATCHTIME_SERVICE_H__ #define __BLE_WATCHTIME_SERVICE_H__ class WatchTimeService { public: static const int WatchTime_BlockSize = 7; const static uint16_t WATCHTIME_SERVICE_UUID = 0xFE32; const static uint16_t WATCHTIME_STATE_CHARACTERISTIC_UUID = 0xFE33; WatchTimeService(BLE &_ble, uint8_t* pInitialWatchTime) : ble(_ble), watchTimeVal(WATCHTIME_STATE_CHARACTERISTIC_UUID, pInitialWatchTime, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY) { GattCharacteristic *charTable[] = {&watchTimeVal}; GattService watchTimeService(WatchTimeService::WATCHTIME_SERVICE_UUID, charTable, sizeof(charTable) / sizeof(GattCharacteristic *)); ble.gattServer().addService(watchTimeService); } void sendWatchTime(uint8_t* pWatchTime) { ble.gattServer().write(watchTimeVal.getValueHandle(), pWatchTime, WatchTime_BlockSize); } GattAttribute::Handle_t getValueHandle() { return watchTimeVal.getValueHandle(); } private: BLE &ble; ReadWriteArrayGattCharacteristic<uint8_t, WatchTime_BlockSize> watchTimeVal; }; #endif /* #ifndef __BLE_WATCHTIME_SERVICE_H__ */