Extended MaximInterface
Dependents: mbed_DS28EC20_GPIO
Links/I2CMaster.cpp@6:a8c83a2e6fa4, 2019-01-23 (annotated)
- Committer:
- IanBenzMaxim
- Date:
- Wed Jan 23 13:11:04 2019 -0600
- Revision:
- 6:a8c83a2e6fa4
- Parent:
- 3:f818ea5172ed
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/Utilities/Error.hpp> |
IanBenzMaxim | 0:f77ad7f72d04 | 34 | #include "I2CMaster.hpp" |
IanBenzMaxim | 0:f77ad7f72d04 | 35 | |
IanBenzMaxim | 0:f77ad7f72d04 | 36 | namespace MaximInterface { |
IanBenzMaxim | 0:f77ad7f72d04 | 37 | |
IanBenzMaxim | 6:a8c83a2e6fa4 | 38 | error_code I2CMaster::writeBlock(span<const uint_least8_t> data) { |
IanBenzMaxim | 0:f77ad7f72d04 | 39 | error_code result; |
IanBenzMaxim | 6:a8c83a2e6fa4 | 40 | for (span<const uint_least8_t>::index_type i = 0; |
IanBenzMaxim | 6:a8c83a2e6fa4 | 41 | i < data.size() && !result; ++i) { |
IanBenzMaxim | 0:f77ad7f72d04 | 42 | result = writeByte(data[i]); |
IanBenzMaxim | 0:f77ad7f72d04 | 43 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 44 | return result; |
IanBenzMaxim | 0:f77ad7f72d04 | 45 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 46 | |
IanBenzMaxim | 3:f818ea5172ed | 47 | error_code I2CMaster::writePacketImpl(uint_least8_t address, |
IanBenzMaxim | 6:a8c83a2e6fa4 | 48 | span<const uint_least8_t> data, |
IanBenzMaxim | 6:a8c83a2e6fa4 | 49 | bool sendStop) { |
IanBenzMaxim | 0:f77ad7f72d04 | 50 | error_code result = start(address & 0xFE); |
IanBenzMaxim | 0:f77ad7f72d04 | 51 | if (!result) { |
IanBenzMaxim | 6:a8c83a2e6fa4 | 52 | result = writeBlock(data); |
IanBenzMaxim | 0:f77ad7f72d04 | 53 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 54 | if (sendStop) { |
IanBenzMaxim | 0:f77ad7f72d04 | 55 | error_code stopResult = stop(); |
IanBenzMaxim | 0:f77ad7f72d04 | 56 | if (!result) { |
IanBenzMaxim | 0:f77ad7f72d04 | 57 | result = stopResult; |
IanBenzMaxim | 0:f77ad7f72d04 | 58 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 59 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 60 | return result; |
IanBenzMaxim | 0:f77ad7f72d04 | 61 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 62 | |
IanBenzMaxim | 6:a8c83a2e6fa4 | 63 | error_code I2CMaster::readBlock(AckStatus status, span<uint_least8_t> data) { |
IanBenzMaxim | 0:f77ad7f72d04 | 64 | error_code result; |
IanBenzMaxim | 6:a8c83a2e6fa4 | 65 | for (span<uint_least8_t>::index_type i = 0; i < data.size() && !result; ++i) { |
IanBenzMaxim | 6:a8c83a2e6fa4 | 66 | result = readByte(i == (data.size() - 1) ? status : Ack, data[i]); |
IanBenzMaxim | 0:f77ad7f72d04 | 67 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 68 | return result; |
IanBenzMaxim | 0:f77ad7f72d04 | 69 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 70 | |
IanBenzMaxim | 3:f818ea5172ed | 71 | error_code I2CMaster::readPacketImpl(uint_least8_t address, |
IanBenzMaxim | 6:a8c83a2e6fa4 | 72 | span<uint_least8_t> data, bool sendStop) { |
IanBenzMaxim | 0:f77ad7f72d04 | 73 | error_code result = start(address | 0x01); |
IanBenzMaxim | 0:f77ad7f72d04 | 74 | if (!result) { |
IanBenzMaxim | 6:a8c83a2e6fa4 | 75 | result = readBlock(Nack, data); |
IanBenzMaxim | 0:f77ad7f72d04 | 76 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 77 | if (sendStop) { |
IanBenzMaxim | 0:f77ad7f72d04 | 78 | error_code stopResult = stop(); |
IanBenzMaxim | 0:f77ad7f72d04 | 79 | if (!result) { |
IanBenzMaxim | 0:f77ad7f72d04 | 80 | result = stopResult; |
IanBenzMaxim | 0:f77ad7f72d04 | 81 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 82 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 83 | return result; |
IanBenzMaxim | 0:f77ad7f72d04 | 84 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 85 | |
IanBenzMaxim | 0:f77ad7f72d04 | 86 | const error_category & I2CMaster::errorCategory() { |
IanBenzMaxim | 0:f77ad7f72d04 | 87 | static class : public error_category { |
IanBenzMaxim | 0:f77ad7f72d04 | 88 | public: |
IanBenzMaxim | 0:f77ad7f72d04 | 89 | virtual const char * name() const { return "I2CMaster"; } |
IanBenzMaxim | 0:f77ad7f72d04 | 90 | |
IanBenzMaxim | 0:f77ad7f72d04 | 91 | virtual std::string message(int condition) const { |
IanBenzMaxim | 0:f77ad7f72d04 | 92 | switch (condition) { |
IanBenzMaxim | 0:f77ad7f72d04 | 93 | case NackError: |
IanBenzMaxim | 0:f77ad7f72d04 | 94 | return "Nack Error"; |
IanBenzMaxim | 0:f77ad7f72d04 | 95 | |
IanBenzMaxim | 0:f77ad7f72d04 | 96 | default: |
IanBenzMaxim | 0:f77ad7f72d04 | 97 | return defaultErrorMessage(condition); |
IanBenzMaxim | 0:f77ad7f72d04 | 98 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 99 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 100 | } instance; |
IanBenzMaxim | 0:f77ad7f72d04 | 101 | return instance; |
IanBenzMaxim | 0:f77ad7f72d04 | 102 | } |
IanBenzMaxim | 0:f77ad7f72d04 | 103 | |
IanBenzMaxim | 6:a8c83a2e6fa4 | 104 | } // namespace MaximInterface |