BTLE demo for MAXWSNENV.
Dependencies: BLE_API BMP180 Si7020 mbed MaximBLE
ReferenceTimeInfoChar.h
- Committer:
- enginerd
- Date:
- 2016-08-18
- Revision:
- 2:6f76d6160601
- Parent:
- 0:f71931ae3db1
File content as of revision 2:6f76d6160601:
/******************************************************************************* * Copyright (C) 2015 Maxim Integrated Products, Inc., All Rights Reserved. * * 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 MAXIM INTEGRATED 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. * * Except as contained in this notice, the name of Maxim Integrated * Products, Inc. shall not be used except as stated in the Maxim Integrated * Products, Inc. Branding Policy. * * The mere transfer of this software does not imply any licenses * of trade secrets, proprietary technology, copyrights, patents, * trademarks, maskwork rights, or any other form of intellectual * property whatsoever. Maxim Integrated Products, Inc. retains all * ownership rights. ******************************************************************************* */ #ifndef __BLE_REFERENCETIMEINFOCHAR_H__ #define __BLE_REFERENCETIMEINFOCHAR_H__ #include "mbed.h" #include "Characteristic.h" /** * @class ReferenceTimeInfoChar * @brief ReferenceTimeInfoChar characteristic class. * @details Sub class from the characteristic class. */ class ReferenceTimeInfoChar : public Characteristic { public: typedef enum { unknown = 0, network_time, gps, radio_time, manual, atomic_clock, cellular_network } source_t; static const unsigned OFFSET_OF_SOURCE = 0; static const unsigned OFFSET_OF_ACCURACY = OFFSET_OF_SOURCE + 1; static const unsigned OFFSET_OF_DAYS = OFFSET_OF_ACCURACY + 1; static const unsigned OFFSET_OF_HOURS = OFFSET_OF_DAYS + 1; static const unsigned CHAR_BYTES = OFFSET_OF_HOURS + 1; static const unsigned ACCURACY_OUT_OF_RANGE = 254; static const unsigned ACCURACY_UNKNOWN = 255; ReferenceTimeInfoChar() : gattChar(GattCharacteristic::UUID_REFERENCE_TIME_INFORMATION_CHAR, bytes, CHAR_BYTES, CHAR_BYTES, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ) { memset(bytes, 0x0, CHAR_BYTES); bytes[OFFSET_OF_ACCURACY] = ACCURACY_UNKNOWN; last_update = time(NULL); } ~ReferenceTimeInfoChar() {} virtual GattCharacteristic *getChar(void) { return &gattChar; } virtual uint8_t getNumBytes(void) { return CHAR_BYTES; } virtual uint8_t *getBytes(void) { return bytes; } // Update the characteristic value for reference source void updateSource(source_t source) { bytes[OFFSET_OF_SOURCE] = source; } // Update the characteristic value for time accuracy void updateAccuracy(uint8_t accuracy) { bytes[OFFSET_OF_ACCURACY] = accuracy; } // Update the characteristic value for time zone void updateUpdateTime() { // Calculate how many hours since last update uint32_t hours = (time(NULL)-last_update)/360; // Days is zero if(hours < 24) { bytes[OFFSET_OF_HOURS] = hours; bytes[OFFSET_OF_DAYS] = 0; return; } uint16_t days = hours/24; // Days overflow if(days > 255) { bytes[OFFSET_OF_DAYS] = 255; bytes[OFFSET_OF_HOURS] = 255; return; } // Days and hours since update hours -= (days*24); bytes[OFFSET_OF_DAYS] = days; bytes[OFFSET_OF_HOURS] = hours; } void resetUpdateTime() { last_update = time(NULL); bytes[OFFSET_OF_DAYS] = 0; bytes[OFFSET_OF_HOURS] = 0; } private: GattCharacteristic gattChar; uint8_t bytes[CHAR_BYTES]; time_t last_update; }; #endif /* #ifndef __BLE_REFERENCETIMEINFOCHAR_H__*/