Aleksandrs Gumenuks / MaximInterface_Extended

Extended MaximInterface

Dependents:   mbed_DS28EC20_GPIO

Links/I2CMaster.cpp@3:f818ea5172ed, 2018-01-11 (annotated)

Committer:
IanBenzMaxim
Date:
Thu Jan 11 13:50:39 2018 -0600
Revision:
3:f818ea5172ed
Parent:
0:f77ad7f72d04
Child:
6:a8c83a2e6fa4
Updated to version 1.1.

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 "I2CMaster.hpp"
IanBenzMaxim 0:f77ad7f72d04 35
IanBenzMaxim 0:f77ad7f72d04 36 namespace MaximInterface {
IanBenzMaxim 0:f77ad7f72d04 37
IanBenzMaxim 0:f77ad7f72d04 38 error_code I2CMaster::writeBlock(const uint_least8_t * data, size_t dataLen) {
IanBenzMaxim 0:f77ad7f72d04 39 error_code result;
IanBenzMaxim 0:f77ad7f72d04 40 for (size_t i = 0; (i < dataLen) && !result; i++) {
IanBenzMaxim 0:f77ad7f72d04 41 result = writeByte(data[i]);
IanBenzMaxim 0:f77ad7f72d04 42 }
IanBenzMaxim 0:f77ad7f72d04 43 return result;
IanBenzMaxim 0:f77ad7f72d04 44 }
IanBenzMaxim 0:f77ad7f72d04 45
IanBenzMaxim 3:f818ea5172ed 46 error_code I2CMaster::writePacketImpl(uint_least8_t address,
IanBenzMaxim 3:f818ea5172ed 47 const uint_least8_t * data,
IanBenzMaxim 3:f818ea5172ed 48 size_t dataLen, bool sendStop) {
IanBenzMaxim 0:f77ad7f72d04 49 error_code result = start(address & 0xFE);
IanBenzMaxim 0:f77ad7f72d04 50 if (!result) {
IanBenzMaxim 0:f77ad7f72d04 51 result = writeBlock(data, dataLen);
IanBenzMaxim 0:f77ad7f72d04 52 }
IanBenzMaxim 0:f77ad7f72d04 53 if (sendStop) {
IanBenzMaxim 0:f77ad7f72d04 54 error_code stopResult = stop();
IanBenzMaxim 0:f77ad7f72d04 55 if (!result) {
IanBenzMaxim 0:f77ad7f72d04 56 result = stopResult;
IanBenzMaxim 0:f77ad7f72d04 57 }
IanBenzMaxim 0:f77ad7f72d04 58 }
IanBenzMaxim 0:f77ad7f72d04 59 return result;
IanBenzMaxim 0:f77ad7f72d04 60 }
IanBenzMaxim 0:f77ad7f72d04 61
IanBenzMaxim 0:f77ad7f72d04 62 error_code I2CMaster::readBlock(AckStatus status, uint_least8_t * data,
IanBenzMaxim 0:f77ad7f72d04 63 size_t dataLen) {
IanBenzMaxim 0:f77ad7f72d04 64 error_code result;
IanBenzMaxim 0:f77ad7f72d04 65 for (size_t i = 0; (i < dataLen) && !result; i++) {
IanBenzMaxim 0:f77ad7f72d04 66 result = readByte(i == (dataLen - 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 3:f818ea5172ed 72 uint_least8_t * data, size_t dataLen,
IanBenzMaxim 3:f818ea5172ed 73 bool sendStop) {
IanBenzMaxim 0:f77ad7f72d04 74 error_code result = start(address | 0x01);
IanBenzMaxim 0:f77ad7f72d04 75 if (!result) {
IanBenzMaxim 0:f77ad7f72d04 76 result = readBlock(Nack, data, dataLen);
IanBenzMaxim 0:f77ad7f72d04 77 }
IanBenzMaxim 0:f77ad7f72d04 78 if (sendStop) {
IanBenzMaxim 0:f77ad7f72d04 79 error_code stopResult = stop();
IanBenzMaxim 0:f77ad7f72d04 80 if (!result) {
IanBenzMaxim 0:f77ad7f72d04 81 result = stopResult;
IanBenzMaxim 0:f77ad7f72d04 82 }
IanBenzMaxim 0:f77ad7f72d04 83 }
IanBenzMaxim 0:f77ad7f72d04 84 return result;
IanBenzMaxim 0:f77ad7f72d04 85 }
IanBenzMaxim 0:f77ad7f72d04 86
IanBenzMaxim 0:f77ad7f72d04 87 const error_category & I2CMaster::errorCategory() {
IanBenzMaxim 0:f77ad7f72d04 88 static class : public error_category {
IanBenzMaxim 0:f77ad7f72d04 89 public:
IanBenzMaxim 0:f77ad7f72d04 90 virtual const char * name() const { return "I2CMaster"; }
IanBenzMaxim 0:f77ad7f72d04 91
IanBenzMaxim 0:f77ad7f72d04 92 virtual std::string message(int condition) const {
IanBenzMaxim 0:f77ad7f72d04 93 switch (condition) {
IanBenzMaxim 0:f77ad7f72d04 94 case NackError:
IanBenzMaxim 0:f77ad7f72d04 95 return "Nack Error";
IanBenzMaxim 0:f77ad7f72d04 96
IanBenzMaxim 0:f77ad7f72d04 97 default:
IanBenzMaxim 0:f77ad7f72d04 98 return defaultErrorMessage(condition);
IanBenzMaxim 0:f77ad7f72d04 99 }
IanBenzMaxim 0:f77ad7f72d04 100 }
IanBenzMaxim 0:f77ad7f72d04 101 } instance;
IanBenzMaxim 0:f77ad7f72d04 102 return instance;
IanBenzMaxim 0:f77ad7f72d04 103 }
IanBenzMaxim 0:f77ad7f72d04 104
IanBenzMaxim 0:f77ad7f72d04 105 } // namespace MaximInterface