Aleksandrs Gumenuks / MaximInterface_Extended

Extended MaximInterface

Dependents:   mbed_DS28EC20_GPIO

Links/OneWireMaster.cpp@10:de4b8812877d, 2020-01-06 (annotated)

Committer:
reARMnimator
Date:
Mon Jan 06 15:54:55 2020 +0000
Revision:
10:de4b8812877d
Parent:
6:a8c83a2e6fa4 
Fixed inappropriate include path.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
IanBenzMaxim 0:f77ad7f72d04 1 /*******************************************************************************
IanBenzMaxim 0:f77ad7f72d04 2 * Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved.
IanBenzMaxim 0:f77ad7f72d04 3 *
IanBenzMaxim 0:f77ad7f72d04 4 * Permission is hereby granted, free of charge, to any person obtaining a
IanBenzMaxim 0:f77ad7f72d04 5 * copy of this software and associated documentation files (the "Software"),
IanBenzMaxim 0:f77ad7f72d04 6 * to deal in the Software without restriction, including without limitation
IanBenzMaxim 0:f77ad7f72d04 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
IanBenzMaxim 0:f77ad7f72d04 8 * and/or sell copies of the Software, and to permit persons to whom the
IanBenzMaxim 0:f77ad7f72d04 9 * Software is furnished to do so, subject to the following conditions:
IanBenzMaxim 0:f77ad7f72d04 10 *
IanBenzMaxim 0:f77ad7f72d04 11 * The above copyright notice and this permission notice shall be included
IanBenzMaxim 0:f77ad7f72d04 12 * in all copies or substantial portions of the Software.
IanBenzMaxim 0:f77ad7f72d04 13 *
IanBenzMaxim 0:f77ad7f72d04 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
IanBenzMaxim 0:f77ad7f72d04 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
IanBenzMaxim 0:f77ad7f72d04 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IanBenzMaxim 0:f77ad7f72d04 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
IanBenzMaxim 0:f77ad7f72d04 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
IanBenzMaxim 0:f77ad7f72d04 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
IanBenzMaxim 0:f77ad7f72d04 20 * OTHER DEALINGS IN THE SOFTWARE.
IanBenzMaxim 0:f77ad7f72d04 21 *
IanBenzMaxim 0:f77ad7f72d04 22 * Except as contained in this notice, the name of Maxim Integrated
IanBenzMaxim 0:f77ad7f72d04 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
IanBenzMaxim 0:f77ad7f72d04 24 * Products, Inc. Branding Policy.
IanBenzMaxim 0:f77ad7f72d04 25 *
IanBenzMaxim 0:f77ad7f72d04 26 * The mere transfer of this software does not imply any licenses
IanBenzMaxim 0:f77ad7f72d04 27 * of trade secrets, proprietary technology, copyrights, patents,
IanBenzMaxim 0:f77ad7f72d04 28 * trademarks, maskwork rights, or any other form of intellectual
IanBenzMaxim 0:f77ad7f72d04 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
IanBenzMaxim 0:f77ad7f72d04 30 * ownership rights.
IanBenzMaxim 0:f77ad7f72d04 31 *******************************************************************************/
IanBenzMaxim 0:f77ad7f72d04 32
IanBenzMaxim 0:f77ad7f72d04 33 #include <MaximInterface/Utilities/Error.hpp>
IanBenzMaxim 0:f77ad7f72d04 34 #include "OneWireMaster.hpp"
IanBenzMaxim 0:f77ad7f72d04 35
IanBenzMaxim 0:f77ad7f72d04 36 namespace MaximInterface {
IanBenzMaxim 0:f77ad7f72d04 37
IanBenzMaxim 6:a8c83a2e6fa4 38 static const int maxBitNum = 7;
IanBenzMaxim 6:a8c83a2e6fa4 39
IanBenzMaxim 0:f77ad7f72d04 40 error_code OneWireMaster::writeByteSetLevel(uint_least8_t sendByte,
IanBenzMaxim 0:f77ad7f72d04 41 Level afterLevel) {
IanBenzMaxim 0:f77ad7f72d04 42 error_code result;
IanBenzMaxim 6:a8c83a2e6fa4 43 for (int bitNum = 0; (bitNum <= maxBitNum) && !result; ++bitNum) {
IanBenzMaxim 6:a8c83a2e6fa4 44 result = writeBitSetLevel(((sendByte >> bitNum) & 1) == 1,
IanBenzMaxim 6:a8c83a2e6fa4 45 (bitNum == maxBitNum) ? afterLevel : NormalLevel);
IanBenzMaxim 0:f77ad7f72d04 46 }
IanBenzMaxim 0:f77ad7f72d04 47 return result;
IanBenzMaxim 0:f77ad7f72d04 48 }
IanBenzMaxim 0:f77ad7f72d04 49
IanBenzMaxim 0:f77ad7f72d04 50 error_code OneWireMaster::readByteSetLevel(uint_least8_t & recvByte,
IanBenzMaxim 0:f77ad7f72d04 51 Level afterLevel) {
IanBenzMaxim 0:f77ad7f72d04 52 recvByte = 0;
IanBenzMaxim 0:f77ad7f72d04 53 error_code result;
IanBenzMaxim 6:a8c83a2e6fa4 54 for (int bitNum = 0; bitNum <= maxBitNum; ++bitNum) {
IanBenzMaxim 0:f77ad7f72d04 55 bool recvBit;
IanBenzMaxim 6:a8c83a2e6fa4 56 result = readBitSetLevel(recvBit,
IanBenzMaxim 6:a8c83a2e6fa4 57 (bitNum == maxBitNum) ? afterLevel : NormalLevel);
IanBenzMaxim 0:f77ad7f72d04 58 if (result) {
IanBenzMaxim 0:f77ad7f72d04 59 break;
IanBenzMaxim 0:f77ad7f72d04 60 }
IanBenzMaxim 0:f77ad7f72d04 61 if (recvBit) {
IanBenzMaxim 6:a8c83a2e6fa4 62 recvByte |= (1 << bitNum);
IanBenzMaxim 0:f77ad7f72d04 63 }
IanBenzMaxim 0:f77ad7f72d04 64 }
IanBenzMaxim 0:f77ad7f72d04 65 return result;
IanBenzMaxim 0:f77ad7f72d04 66 }
IanBenzMaxim 0:f77ad7f72d04 67
IanBenzMaxim 6:a8c83a2e6fa4 68 error_code OneWireMaster::writeBlock(span<const uint_least8_t> sendBuf) {
IanBenzMaxim 0:f77ad7f72d04 69 error_code result;
IanBenzMaxim 6:a8c83a2e6fa4 70 for (span<const uint_least8_t>::index_type i = 0;
IanBenzMaxim 6:a8c83a2e6fa4 71 i < sendBuf.size() && !result; ++i) {
IanBenzMaxim 6:a8c83a2e6fa4 72 result = writeByte(sendBuf[i]);
IanBenzMaxim 0:f77ad7f72d04 73 }
IanBenzMaxim 0:f77ad7f72d04 74 return result;
IanBenzMaxim 0:f77ad7f72d04 75 }
IanBenzMaxim 0:f77ad7f72d04 76
IanBenzMaxim 6:a8c83a2e6fa4 77 error_code OneWireMaster::readBlock(span<uint_least8_t> recvBuf) {
IanBenzMaxim 0:f77ad7f72d04 78 error_code result;
IanBenzMaxim 6:a8c83a2e6fa4 79 for (span<uint_least8_t>::index_type i = 0; i < recvBuf.size() && !result;
IanBenzMaxim 6:a8c83a2e6fa4 80 ++i) {
IanBenzMaxim 6:a8c83a2e6fa4 81 result = readByte(recvBuf[i]);
IanBenzMaxim 0:f77ad7f72d04 82 }
IanBenzMaxim 0:f77ad7f72d04 83 return result;
IanBenzMaxim 0:f77ad7f72d04 84 }
IanBenzMaxim 0:f77ad7f72d04 85
IanBenzMaxim 0:f77ad7f72d04 86 error_code OneWireMaster::triplet(TripletData & data) {
IanBenzMaxim 0:f77ad7f72d04 87 error_code result = readBit(data.readBit);
IanBenzMaxim 0:f77ad7f72d04 88 if (!result) {
IanBenzMaxim 0:f77ad7f72d04 89 result = readBit(data.readBitComplement);
IanBenzMaxim 0:f77ad7f72d04 90 }
IanBenzMaxim 0:f77ad7f72d04 91 if (!result) {
IanBenzMaxim 0:f77ad7f72d04 92 if (data.readBit) {
IanBenzMaxim 0:f77ad7f72d04 93 data.writeBit = 1;
IanBenzMaxim 0:f77ad7f72d04 94 } else if (data.readBitComplement) {
IanBenzMaxim 0:f77ad7f72d04 95 data.writeBit = 0;
IanBenzMaxim 0:f77ad7f72d04 96 }
IanBenzMaxim 0:f77ad7f72d04 97 // else: use data.writeBit parameter
IanBenzMaxim 0:f77ad7f72d04 98 result = writeBit(data.writeBit);
IanBenzMaxim 0:f77ad7f72d04 99 }
IanBenzMaxim 0:f77ad7f72d04 100 return result;
IanBenzMaxim 0:f77ad7f72d04 101 }
IanBenzMaxim 0:f77ad7f72d04 102
IanBenzMaxim 0:f77ad7f72d04 103 const error_category & OneWireMaster::errorCategory() {
IanBenzMaxim 0:f77ad7f72d04 104 static class : public error_category {
IanBenzMaxim 0:f77ad7f72d04 105 public:
IanBenzMaxim 0:f77ad7f72d04 106 virtual const char * name() const { return "OneWireMaster"; }
IanBenzMaxim 0:f77ad7f72d04 107
IanBenzMaxim 0:f77ad7f72d04 108 virtual std::string message(int condition) const {
IanBenzMaxim 0:f77ad7f72d04 109 switch (condition) {
IanBenzMaxim 0:f77ad7f72d04 110 case NoSlaveError:
IanBenzMaxim 0:f77ad7f72d04 111 return "No Slave Error";
IanBenzMaxim 0:f77ad7f72d04 112
IanBenzMaxim 0:f77ad7f72d04 113 case ShortDetectedError:
IanBenzMaxim 0:f77ad7f72d04 114 return "Short Detected Error";
IanBenzMaxim 0:f77ad7f72d04 115
IanBenzMaxim 0:f77ad7f72d04 116 case InvalidSpeedError:
IanBenzMaxim 0:f77ad7f72d04 117 return "Invalid Speed Error";
IanBenzMaxim 0:f77ad7f72d04 118
IanBenzMaxim 0:f77ad7f72d04 119 case InvalidLevelError:
IanBenzMaxim 0:f77ad7f72d04 120 return "Invalid Level Error";
IanBenzMaxim 0:f77ad7f72d04 121
IanBenzMaxim 0:f77ad7f72d04 122 default:
IanBenzMaxim 0:f77ad7f72d04 123 return defaultErrorMessage(condition);
IanBenzMaxim 0:f77ad7f72d04 124 }
IanBenzMaxim 0:f77ad7f72d04 125 }
IanBenzMaxim 0:f77ad7f72d04 126 } instance;
IanBenzMaxim 0:f77ad7f72d04 127 return instance;
IanBenzMaxim 0:f77ad7f72d04 128 }
IanBenzMaxim 0:f77ad7f72d04 129
IanBenzMaxim 0:f77ad7f72d04 130 } // namespace MaximInterface