Extended MaximInterface
Dependents: mbed_DS28EC20_GPIO
Devices/DS2413.cpp@6:a8c83a2e6fa4, 2019-01-23 (annotated)
- Committer:
- IanBenzMaxim
- Date:
- Wed Jan 23 13:11:04 2019 -0600
- Revision:
- 6:a8c83a2e6fa4
- Parent:
- 0:f77ad7f72d04
Updated to version 1.6 and removed platform files that are incompatible with mbed.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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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/Links/OneWireMaster.hpp> |
IanBenzMaxim | 0:f77ad7f72d04 | 34 | #include <MaximInterface/Utilities/Error.hpp> |
IanBenzMaxim | 0:f77ad7f72d04 | 35 | #include "DS2413.hpp" |
IanBenzMaxim | 0:f77ad7f72d04 | 36 | |
IanBenzMaxim | 0:f77ad7f72d04 | 37 | namespace MaximInterface { |
IanBenzMaxim | 0:f77ad7f72d04 | 38 | |
IanBenzMaxim | 0:f77ad7f72d04 | 39 | error_code DS2413::readStatus(Status & status) const { |
IanBenzMaxim | 0:f77ad7f72d04 | 40 | uint_least8_t val; |
IanBenzMaxim | 0:f77ad7f72d04 | 41 | const error_code result = pioAccessRead(val); |
IanBenzMaxim | 0:f77ad7f72d04 | 42 | if (!result) { |
IanBenzMaxim | 6:a8c83a2e6fa4 | 43 | status = val; |
IanBenzMaxim | 0:f77ad7f72d04 | 44 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 45 | return result; |
IanBenzMaxim | 0:f77ad7f72d04 | 46 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 47 | |
IanBenzMaxim | 0:f77ad7f72d04 | 48 | error_code DS2413::writeOutputState(bool pioAState, bool pioBState) { |
IanBenzMaxim | 0:f77ad7f72d04 | 49 | uint_least8_t val = 0xFC; |
IanBenzMaxim | 0:f77ad7f72d04 | 50 | if (pioAState) { |
IanBenzMaxim | 0:f77ad7f72d04 | 51 | val |= 0x1; |
IanBenzMaxim | 0:f77ad7f72d04 | 52 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 53 | if (pioBState) { |
IanBenzMaxim | 0:f77ad7f72d04 | 54 | val |= 0x2; |
IanBenzMaxim | 0:f77ad7f72d04 | 55 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 56 | return pioAccessWrite(val); |
IanBenzMaxim | 0:f77ad7f72d04 | 57 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 58 | |
IanBenzMaxim | 0:f77ad7f72d04 | 59 | error_code DS2413::pioAccessRead(uint_least8_t & val) const { |
IanBenzMaxim | 0:f77ad7f72d04 | 60 | error_code result = selectRom(*master); |
IanBenzMaxim | 0:f77ad7f72d04 | 61 | if (!result) { |
IanBenzMaxim | 0:f77ad7f72d04 | 62 | result = master->writeByte(0xF5); |
IanBenzMaxim | 0:f77ad7f72d04 | 63 | if (!result) { |
IanBenzMaxim | 0:f77ad7f72d04 | 64 | result = master->readByte(val); |
IanBenzMaxim | 0:f77ad7f72d04 | 65 | if (!result && (val != ((val ^ 0xF0) >> 4))) { |
IanBenzMaxim | 0:f77ad7f72d04 | 66 | result = make_error_code(CommunicationError); |
IanBenzMaxim | 0:f77ad7f72d04 | 67 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 68 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 69 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 70 | return result; |
IanBenzMaxim | 0:f77ad7f72d04 | 71 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 72 | |
IanBenzMaxim | 0:f77ad7f72d04 | 73 | error_code DS2413::pioAccessWrite(uint_least8_t val) { |
IanBenzMaxim | 0:f77ad7f72d04 | 74 | error_code result = selectRom(*master); |
IanBenzMaxim | 0:f77ad7f72d04 | 75 | if (!result) { |
IanBenzMaxim | 0:f77ad7f72d04 | 76 | uint_least8_t block[] = {0x5A, val, static_cast<uint_least8_t>(val ^ 0xFF)}; |
IanBenzMaxim | 6:a8c83a2e6fa4 | 77 | result = master->writeBlock(block); |
IanBenzMaxim | 0:f77ad7f72d04 | 78 | if (!result) { |
IanBenzMaxim | 0:f77ad7f72d04 | 79 | result = master->readByte(block[0]); |
IanBenzMaxim | 0:f77ad7f72d04 | 80 | if (!result && block[0] != 0xAA) { |
IanBenzMaxim | 0:f77ad7f72d04 | 81 | result = make_error_code(CommunicationError); |
IanBenzMaxim | 0:f77ad7f72d04 | 82 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 83 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 84 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 85 | return result; |
IanBenzMaxim | 0:f77ad7f72d04 | 86 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 87 | |
IanBenzMaxim | 0:f77ad7f72d04 | 88 | const error_category & DS2413::errorCategory() { |
IanBenzMaxim | 0:f77ad7f72d04 | 89 | static class : public error_category { |
IanBenzMaxim | 0:f77ad7f72d04 | 90 | public: |
IanBenzMaxim | 0:f77ad7f72d04 | 91 | virtual const char * name() const { return "DS2413"; } |
IanBenzMaxim | 0:f77ad7f72d04 | 92 | |
IanBenzMaxim | 0:f77ad7f72d04 | 93 | virtual std::string message(int condition) const { |
IanBenzMaxim | 0:f77ad7f72d04 | 94 | switch (condition) { |
IanBenzMaxim | 0:f77ad7f72d04 | 95 | case CommunicationError: |
IanBenzMaxim | 0:f77ad7f72d04 | 96 | return "Communication Error"; |
IanBenzMaxim | 0:f77ad7f72d04 | 97 | } |
IanBenzMaxim | 6:a8c83a2e6fa4 | 98 | return defaultErrorMessage(condition); |
IanBenzMaxim | 0:f77ad7f72d04 | 99 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 100 | } instance; |
IanBenzMaxim | 0:f77ad7f72d04 | 101 | return instance; |
IanBenzMaxim | 0:f77ad7f72d04 | 102 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 103 | |
IanBenzMaxim | 0:f77ad7f72d04 | 104 | error_code writePioAOutputState(DS2413 & ds2413, bool pioAState) { |
IanBenzMaxim | 0:f77ad7f72d04 | 105 | DS2413::Status status; |
IanBenzMaxim | 0:f77ad7f72d04 | 106 | error_code result = ds2413.readStatus(status); |
IanBenzMaxim | 6:a8c83a2e6fa4 | 107 | if (!result && pioAState != status[DS2413::PioAOutputState]) { |
IanBenzMaxim | 6:a8c83a2e6fa4 | 108 | result = |
IanBenzMaxim | 6:a8c83a2e6fa4 | 109 | ds2413.writeOutputState(pioAState, status[DS2413::PioBOutputState]); |
IanBenzMaxim | 0:f77ad7f72d04 | 110 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 111 | return result; |
IanBenzMaxim | 0:f77ad7f72d04 | 112 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 113 | |
IanBenzMaxim | 0:f77ad7f72d04 | 114 | error_code writePioBOutputState(DS2413 & ds2413, bool pioBState) { |
IanBenzMaxim | 0:f77ad7f72d04 | 115 | DS2413::Status status; |
IanBenzMaxim | 0:f77ad7f72d04 | 116 | error_code result = ds2413.readStatus(status); |
IanBenzMaxim | 6:a8c83a2e6fa4 | 117 | if (!result && pioBState != status[DS2413::PioBOutputState]) { |
IanBenzMaxim | 6:a8c83a2e6fa4 | 118 | result = |
IanBenzMaxim | 6:a8c83a2e6fa4 | 119 | ds2413.writeOutputState(status[DS2413::PioAOutputState], pioBState); |
IanBenzMaxim | 0:f77ad7f72d04 | 120 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 121 | return result; |
IanBenzMaxim | 0:f77ad7f72d04 | 122 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 123 | |
IanBenzMaxim | 0:f77ad7f72d04 | 124 | } // namespace MaximInterface |