Extended MaximInterface
Dependents: mbed_DS28EC20_GPIO
Links/OneWireMaster.cpp
- Committer:
- IanBenzMaxim
- Date:
- 2017-11-06
- Revision:
- 0:f77ad7f72d04
- Child:
- 6:a8c83a2e6fa4
File content as of revision 0:f77ad7f72d04:
/******************************************************************************* * Copyright (C) 2017 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. *******************************************************************************/ #include <MaximInterface/Utilities/Error.hpp> #include "OneWireMaster.hpp" namespace MaximInterface { error_code OneWireMaster::writeByteSetLevel(uint_least8_t sendByte, Level afterLevel) { error_code result; for (int idx = 0; (idx < 8) && !result; idx++) { result = writeBit(((sendByte >> idx) & 1) == 1); } if (!result) { result = setLevel(afterLevel); } return result; } error_code OneWireMaster::readByteSetLevel(uint_least8_t & recvByte, Level afterLevel) { recvByte = 0; error_code result; for (int idx = 0; idx < 8; idx++) { bool recvBit; result = readBit(recvBit); if (result) { break; } if (recvBit) { recvByte |= (1 << idx); } } if (!result) { result = setLevel(afterLevel); } return result; } error_code OneWireMaster::writeBlock(const uint_least8_t * sendBuf, size_t sendLen) { error_code result; for (size_t idx = 0; (idx < sendLen) && !result; idx++) { result = writeByte(sendBuf[idx]); } return result; } error_code OneWireMaster::readBlock(uint_least8_t * recvBuf, size_t recvLen) { error_code result; for (size_t idx = 0; (idx < recvLen) && !result; idx++) { result = readByte(recvBuf[idx]); } return result; } error_code OneWireMaster::triplet(TripletData & data) { error_code result = readBit(data.readBit); if (!result) { result = readBit(data.readBitComplement); } if (!result) { if (data.readBit) { data.writeBit = 1; } else if (data.readBitComplement) { data.writeBit = 0; } // else: use data.writeBit parameter result = writeBit(data.writeBit); } return result; } const error_category & OneWireMaster::errorCategory() { static class : public error_category { public: virtual const char * name() const { return "OneWireMaster"; } virtual std::string message(int condition) const { switch (condition) { case NoSlaveError: return "No Slave Error"; case ShortDetectedError: return "Short Detected Error"; case InvalidSpeedError: return "Invalid Speed Error"; case InvalidLevelError: return "Invalid Level Error"; default: return defaultErrorMessage(condition); } } } instance; return instance; } } // namespace MaximInterface