Aleksandrs Gumenuks / MaximInterface_Extended

Extended MaximInterface

Dependents:   mbed_DS28EC20_GPIO

Devices/DS28E38.cpp@8:211d1b8f730c, 2019-04-03 (annotated)

Committer:
reARMnimator
Date:
Wed Apr 03 12:33:10 2019 +0000
Revision:
8:211d1b8f730c
Parent:
6:a8c83a2e6fa4 
Merge with version 1.7;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
IanBenzMaxim 6:a8c83a2e6fa4 1 /*******************************************************************************
IanBenzMaxim 6:a8c83a2e6fa4 2 * Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved.
IanBenzMaxim 6:a8c83a2e6fa4 3 *
IanBenzMaxim 6:a8c83a2e6fa4 4 * Permission is hereby granted, free of charge, to any person obtaining a
IanBenzMaxim 6:a8c83a2e6fa4 5 * copy of this software and associated documentation files (the "Software"),
IanBenzMaxim 6:a8c83a2e6fa4 6 * to deal in the Software without restriction, including without limitation
IanBenzMaxim 6:a8c83a2e6fa4 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
IanBenzMaxim 6:a8c83a2e6fa4 8 * and/or sell copies of the Software, and to permit persons to whom the
IanBenzMaxim 6:a8c83a2e6fa4 9 * Software is furnished to do so, subject to the following conditions:
IanBenzMaxim 6:a8c83a2e6fa4 10 *
IanBenzMaxim 6:a8c83a2e6fa4 11 * The above copyright notice and this permission notice shall be included
IanBenzMaxim 6:a8c83a2e6fa4 12 * in all copies or substantial portions of the Software.
IanBenzMaxim 6:a8c83a2e6fa4 13 *
IanBenzMaxim 6:a8c83a2e6fa4 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
IanBenzMaxim 6:a8c83a2e6fa4 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
IanBenzMaxim 6:a8c83a2e6fa4 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IanBenzMaxim 6:a8c83a2e6fa4 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
IanBenzMaxim 6:a8c83a2e6fa4 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
IanBenzMaxim 6:a8c83a2e6fa4 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
IanBenzMaxim 6:a8c83a2e6fa4 20 * OTHER DEALINGS IN THE SOFTWARE.
IanBenzMaxim 6:a8c83a2e6fa4 21 *
IanBenzMaxim 6:a8c83a2e6fa4 22 * Except as contained in this notice, the name of Maxim Integrated
IanBenzMaxim 6:a8c83a2e6fa4 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
IanBenzMaxim 6:a8c83a2e6fa4 24 * Products, Inc. Branding Policy.
IanBenzMaxim 6:a8c83a2e6fa4 25 *
IanBenzMaxim 6:a8c83a2e6fa4 26 * The mere transfer of this software does not imply any licenses
IanBenzMaxim 6:a8c83a2e6fa4 27 * of trade secrets, proprietary technology, copyrights, patents,
IanBenzMaxim 6:a8c83a2e6fa4 28 * trademarks, maskwork rights, or any other form of intellectual
IanBenzMaxim 6:a8c83a2e6fa4 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
IanBenzMaxim 6:a8c83a2e6fa4 30 * ownership rights.
IanBenzMaxim 6:a8c83a2e6fa4 31 *******************************************************************************/
IanBenzMaxim 6:a8c83a2e6fa4 32
IanBenzMaxim 6:a8c83a2e6fa4 33 #include <stddef.h>
IanBenzMaxim 6:a8c83a2e6fa4 34 #include <algorithm>
IanBenzMaxim 6:a8c83a2e6fa4 35 #include <MaximInterface/Utilities/Algorithm.hpp>
IanBenzMaxim 6:a8c83a2e6fa4 36 #include <MaximInterface/Utilities/Error.hpp>
IanBenzMaxim 6:a8c83a2e6fa4 37 #include "DS28E38.hpp"
IanBenzMaxim 6:a8c83a2e6fa4 38
IanBenzMaxim 6:a8c83a2e6fa4 39 namespace MaximInterface {
IanBenzMaxim 6:a8c83a2e6fa4 40
IanBenzMaxim 6:a8c83a2e6fa4 41 using std::copy;
IanBenzMaxim 6:a8c83a2e6fa4 42
IanBenzMaxim 6:a8c83a2e6fa4 43 static const int readMemoryTimeMs = 30;
IanBenzMaxim 6:a8c83a2e6fa4 44 static const int writeMemoryTimeMs = 65;
IanBenzMaxim 6:a8c83a2e6fa4 45 static const int writeStateTimeMs = 15;
IanBenzMaxim 6:a8c83a2e6fa4 46 static const int generateEccKeyPairTimeMs = 200;
IanBenzMaxim 6:a8c83a2e6fa4 47 static const int generateEcdsaSignatureTimeMs = 130;
IanBenzMaxim 6:a8c83a2e6fa4 48 static const int trngOnDemandCheckTimeMs = 20;
IanBenzMaxim 6:a8c83a2e6fa4 49 static const int trngGenerationTimeMs = 10;
IanBenzMaxim 6:a8c83a2e6fa4 50
IanBenzMaxim 6:a8c83a2e6fa4 51 const int DS28E38::decrementCounterPage;
IanBenzMaxim 6:a8c83a2e6fa4 52 const int DS28E38::publicKeyXPage;
IanBenzMaxim 6:a8c83a2e6fa4 53 const int DS28E38::publicKeyYPage;
IanBenzMaxim 6:a8c83a2e6fa4 54 const int DS28E38::privateKeyPage;
IanBenzMaxim 6:a8c83a2e6fa4 55 const int DS28E38::memoryPages;
IanBenzMaxim 6:a8c83a2e6fa4 56
IanBenzMaxim 6:a8c83a2e6fa4 57 error_code DS28E38::writeMemory(int pageNum, Page::const_span page) {
IanBenzMaxim 6:a8c83a2e6fa4 58 if (pageNum < 0 || pageNum >= memoryPages) {
IanBenzMaxim 6:a8c83a2e6fa4 59 return make_error_code(InvalidParameterError);
IanBenzMaxim 6:a8c83a2e6fa4 60 }
IanBenzMaxim 6:a8c83a2e6fa4 61
IanBenzMaxim 6:a8c83a2e6fa4 62 uint_least8_t command[2 + Page::size];
IanBenzMaxim 6:a8c83a2e6fa4 63 command[0] = 0x96;
IanBenzMaxim 6:a8c83a2e6fa4 64 command[1] = pageNum;
IanBenzMaxim 6:a8c83a2e6fa4 65 copy(page.begin(), page.end(), command + 2);
IanBenzMaxim 6:a8c83a2e6fa4 66 return runCommand(command, writeMemoryTimeMs);
IanBenzMaxim 6:a8c83a2e6fa4 67 }
IanBenzMaxim 6:a8c83a2e6fa4 68
IanBenzMaxim 6:a8c83a2e6fa4 69 error_code DS28E38::readMemory(int pageNum, Page::span page) {
IanBenzMaxim 6:a8c83a2e6fa4 70 if (pageNum < 0 || pageNum >= memoryPages) {
IanBenzMaxim 6:a8c83a2e6fa4 71 return make_error_code(InvalidParameterError);
IanBenzMaxim 6:a8c83a2e6fa4 72 }
IanBenzMaxim 6:a8c83a2e6fa4 73
IanBenzMaxim 6:a8c83a2e6fa4 74 uint_least8_t buffer[1 + Page::size];
IanBenzMaxim 6:a8c83a2e6fa4 75 buffer[0] = 0x44;
IanBenzMaxim 6:a8c83a2e6fa4 76 buffer[1] = pageNum;
IanBenzMaxim 6:a8c83a2e6fa4 77 span<uint_least8_t> response(buffer);
IanBenzMaxim 6:a8c83a2e6fa4 78 const error_code result =
IanBenzMaxim 6:a8c83a2e6fa4 79 runCommand(make_span(buffer, 2), readMemoryTimeMs, response);
IanBenzMaxim 6:a8c83a2e6fa4 80 if (!result) {
IanBenzMaxim 6:a8c83a2e6fa4 81 copy(response.begin(), response.end(), page.begin());
IanBenzMaxim 6:a8c83a2e6fa4 82 }
IanBenzMaxim 6:a8c83a2e6fa4 83 return result;
IanBenzMaxim 6:a8c83a2e6fa4 84 }
IanBenzMaxim 6:a8c83a2e6fa4 85
IanBenzMaxim 6:a8c83a2e6fa4 86 error_code DS28E38::readStatus(bool entropyHealthTest, Status & status) {
IanBenzMaxim 6:a8c83a2e6fa4 87 int delay = readMemoryTimeMs;
IanBenzMaxim 6:a8c83a2e6fa4 88 if (entropyHealthTest) {
IanBenzMaxim 6:a8c83a2e6fa4 89 delay += trngOnDemandCheckTimeMs;
IanBenzMaxim 6:a8c83a2e6fa4 90 }
IanBenzMaxim 6:a8c83a2e6fa4 91 uint_least8_t buffer[Status::PageProtectionList::csize + ManId::size +
IanBenzMaxim 6:a8c83a2e6fa4 92 Status::RomVersion::csize + 2];
IanBenzMaxim 6:a8c83a2e6fa4 93 buffer[0] = 0xAA;
IanBenzMaxim 6:a8c83a2e6fa4 94 buffer[1] = entropyHealthTest ? 0x01 : 0x00;
IanBenzMaxim 6:a8c83a2e6fa4 95 span<uint_least8_t> response(buffer);
IanBenzMaxim 6:a8c83a2e6fa4 96 error_code result = runCommand(make_span(buffer, 2), delay, response);
IanBenzMaxim 6:a8c83a2e6fa4 97 if (!result) {
IanBenzMaxim 6:a8c83a2e6fa4 98 span<uint_least8_t>::const_iterator responseIt = response.begin();
IanBenzMaxim 6:a8c83a2e6fa4 99 for (Status::PageProtectionList::iterator it =
IanBenzMaxim 6:a8c83a2e6fa4 100 status.pageProtection.begin();
IanBenzMaxim 6:a8c83a2e6fa4 101 it != status.pageProtection.end(); ++it) {
IanBenzMaxim 6:a8c83a2e6fa4 102 *it = *responseIt;
IanBenzMaxim 6:a8c83a2e6fa4 103 ++responseIt;
IanBenzMaxim 6:a8c83a2e6fa4 104 }
IanBenzMaxim 6:a8c83a2e6fa4 105 span<uint_least8_t>::const_iterator responseItEnd =
IanBenzMaxim 6:a8c83a2e6fa4 106 responseIt + status.manId.size();
IanBenzMaxim 6:a8c83a2e6fa4 107 copy(responseIt, responseItEnd, status.manId.begin());
IanBenzMaxim 6:a8c83a2e6fa4 108 responseIt = responseItEnd;
IanBenzMaxim 6:a8c83a2e6fa4 109 responseItEnd = responseIt + status.romVersion.size();
IanBenzMaxim 6:a8c83a2e6fa4 110 copy(responseIt, responseItEnd, status.romVersion.begin());
IanBenzMaxim 6:a8c83a2e6fa4 111 responseIt = responseItEnd;
IanBenzMaxim 6:a8c83a2e6fa4 112 switch (*responseIt) {
IanBenzMaxim 6:a8c83a2e6fa4 113 case Status::TestNotPerformed:
IanBenzMaxim 6:a8c83a2e6fa4 114 case Status::EntropyHealthy:
IanBenzMaxim 6:a8c83a2e6fa4 115 case Status::EntropyNotHealthy:
IanBenzMaxim 6:a8c83a2e6fa4 116 status.entropyHealthTestStatus =
IanBenzMaxim 6:a8c83a2e6fa4 117 static_cast<Status::EntropyHealthTestStatus>(*responseIt);
IanBenzMaxim 6:a8c83a2e6fa4 118 break;
IanBenzMaxim 6:a8c83a2e6fa4 119
IanBenzMaxim 6:a8c83a2e6fa4 120 default:
IanBenzMaxim 6:a8c83a2e6fa4 121 result = make_error_code(InvalidResponseError);
IanBenzMaxim 6:a8c83a2e6fa4 122 break;
IanBenzMaxim 6:a8c83a2e6fa4 123 }
IanBenzMaxim 6:a8c83a2e6fa4 124 }
IanBenzMaxim 6:a8c83a2e6fa4 125 return result;
IanBenzMaxim 6:a8c83a2e6fa4 126 }
IanBenzMaxim 6:a8c83a2e6fa4 127
IanBenzMaxim 6:a8c83a2e6fa4 128 error_code DS28E38::setPageProtection(int pageNum,
IanBenzMaxim 6:a8c83a2e6fa4 129 const PageProtection & protection) {
IanBenzMaxim 6:a8c83a2e6fa4 130 if (pageNum < 0 || pageNum >= memoryPages) {
IanBenzMaxim 6:a8c83a2e6fa4 131 return make_error_code(InvalidParameterError);
IanBenzMaxim 6:a8c83a2e6fa4 132 }
IanBenzMaxim 6:a8c83a2e6fa4 133
IanBenzMaxim 6:a8c83a2e6fa4 134 int delay = writeStateTimeMs;
IanBenzMaxim 6:a8c83a2e6fa4 135 if (pageNum == decrementCounterPage) {
IanBenzMaxim 6:a8c83a2e6fa4 136 delay += writeMemoryTimeMs;
IanBenzMaxim 6:a8c83a2e6fa4 137 }
IanBenzMaxim 6:a8c83a2e6fa4 138 const uint_least8_t command[] = {
IanBenzMaxim 6:a8c83a2e6fa4 139 0xC3, static_cast<uint_least8_t>(pageNum),
IanBenzMaxim 6:a8c83a2e6fa4 140 static_cast<uint_least8_t>(protection.to_ulong())};
IanBenzMaxim 6:a8c83a2e6fa4 141 return runCommand(command, delay);
IanBenzMaxim 6:a8c83a2e6fa4 142 }
IanBenzMaxim 6:a8c83a2e6fa4 143
IanBenzMaxim 6:a8c83a2e6fa4 144 error_code
IanBenzMaxim 6:a8c83a2e6fa4 145 DS28E38::computeAndReadPageAuthentication(int pageNum, bool anonymous,
IanBenzMaxim 6:a8c83a2e6fa4 146 Page::const_span challenge,
IanBenzMaxim 6:a8c83a2e6fa4 147 Ecc256::Signature::span signature) {
IanBenzMaxim 6:a8c83a2e6fa4 148 if (pageNum < 0 || pageNum >= memoryPages) {
IanBenzMaxim 6:a8c83a2e6fa4 149 return make_error_code(InvalidParameterError);
IanBenzMaxim 6:a8c83a2e6fa4 150 }
IanBenzMaxim 6:a8c83a2e6fa4 151
IanBenzMaxim 6:a8c83a2e6fa4 152 const size_t commandSize = 2 + Page::size;
IanBenzMaxim 6:a8c83a2e6fa4 153 const size_t responseSize = 1 + 2 * Ecc256::Scalar::size;
IanBenzMaxim 6:a8c83a2e6fa4 154 uint_least8_t buffer[MaximInterface_MAX(commandSize, responseSize)];
IanBenzMaxim 6:a8c83a2e6fa4 155 buffer[0] = 0xA5;
IanBenzMaxim 6:a8c83a2e6fa4 156 buffer[1] = pageNum | (anonymous ? 0xE0 : 0x00);
IanBenzMaxim 6:a8c83a2e6fa4 157 copy(challenge.begin(), challenge.end(), buffer + 2);
IanBenzMaxim 6:a8c83a2e6fa4 158 span<uint_least8_t> response(buffer, responseSize);
IanBenzMaxim 6:a8c83a2e6fa4 159 const error_code result = runCommand(make_span(buffer, commandSize),
IanBenzMaxim 6:a8c83a2e6fa4 160 generateEcdsaSignatureTimeMs, response);
IanBenzMaxim 6:a8c83a2e6fa4 161 if (!result) {
IanBenzMaxim 6:a8c83a2e6fa4 162 span<uint_least8_t>::const_iterator begin = response.begin();
IanBenzMaxim 6:a8c83a2e6fa4 163 span<uint_least8_t>::const_iterator end = begin + signature.s.size();
IanBenzMaxim 6:a8c83a2e6fa4 164 copy(begin, end, signature.s.begin());
IanBenzMaxim 6:a8c83a2e6fa4 165 begin = end;
IanBenzMaxim 6:a8c83a2e6fa4 166 end = begin + signature.r.size();
IanBenzMaxim 6:a8c83a2e6fa4 167 copy(begin, end, signature.r.begin());
IanBenzMaxim 6:a8c83a2e6fa4 168 }
IanBenzMaxim 6:a8c83a2e6fa4 169 return result;
IanBenzMaxim 6:a8c83a2e6fa4 170 }
IanBenzMaxim 6:a8c83a2e6fa4 171
IanBenzMaxim 6:a8c83a2e6fa4 172 error_code DS28E38::decrementCounter() {
IanBenzMaxim 6:a8c83a2e6fa4 173 const uint_least8_t command = 0xC9;
IanBenzMaxim 6:a8c83a2e6fa4 174 return runCommand(make_span(&command, 1), writeMemoryTimeMs);
IanBenzMaxim 6:a8c83a2e6fa4 175 }
IanBenzMaxim 6:a8c83a2e6fa4 176
IanBenzMaxim 6:a8c83a2e6fa4 177 error_code DS28E38::disableDevice() {
IanBenzMaxim 6:a8c83a2e6fa4 178 const uint_least8_t command[] = {0x33, 0x9E, 0xA7, 0x49, 0xFB,
IanBenzMaxim 6:a8c83a2e6fa4 179 0x10, 0x62, 0x0A, 0x26};
IanBenzMaxim 6:a8c83a2e6fa4 180 return runCommand(command, writeStateTimeMs);
IanBenzMaxim 6:a8c83a2e6fa4 181 }
IanBenzMaxim 6:a8c83a2e6fa4 182
IanBenzMaxim 6:a8c83a2e6fa4 183 error_code DS28E38::generateEcc256KeyPair(bool privateKeyPuf,
IanBenzMaxim 6:a8c83a2e6fa4 184 bool writeProtectEnable) {
IanBenzMaxim 6:a8c83a2e6fa4 185 int delay = generateEccKeyPairTimeMs;
IanBenzMaxim 6:a8c83a2e6fa4 186 if (writeProtectEnable) {
IanBenzMaxim 6:a8c83a2e6fa4 187 delay += writeStateTimeMs;
IanBenzMaxim 6:a8c83a2e6fa4 188 }
IanBenzMaxim 6:a8c83a2e6fa4 189 uint_least8_t command[] = {0xCB, 0x00};
IanBenzMaxim 6:a8c83a2e6fa4 190 if (privateKeyPuf) {
IanBenzMaxim 6:a8c83a2e6fa4 191 command[1] |= 0x01;
IanBenzMaxim 6:a8c83a2e6fa4 192 }
IanBenzMaxim 6:a8c83a2e6fa4 193 if (writeProtectEnable) {
IanBenzMaxim 6:a8c83a2e6fa4 194 command[1] |= 0x80;
IanBenzMaxim 6:a8c83a2e6fa4 195 }
IanBenzMaxim 6:a8c83a2e6fa4 196 return runCommand(command, delay);
IanBenzMaxim 6:a8c83a2e6fa4 197 }
IanBenzMaxim 6:a8c83a2e6fa4 198
IanBenzMaxim 6:a8c83a2e6fa4 199 error_code DS28E38::readRng(span<uint_least8_t> data) {
IanBenzMaxim 6:a8c83a2e6fa4 200 const span<uint_least8_t>::index_type maxDataSize = 64;
IanBenzMaxim 6:a8c83a2e6fa4 201 if ((data.size() < 1) || (data.size() > maxDataSize)) {
IanBenzMaxim 6:a8c83a2e6fa4 202 return make_error_code(InvalidParameterError);
IanBenzMaxim 6:a8c83a2e6fa4 203 }
IanBenzMaxim 6:a8c83a2e6fa4 204
IanBenzMaxim 6:a8c83a2e6fa4 205 uint_least8_t buffer[1 + maxDataSize];
IanBenzMaxim 6:a8c83a2e6fa4 206 buffer[0] = 0xD2;
IanBenzMaxim 6:a8c83a2e6fa4 207 buffer[1] = data.size() - 1;
IanBenzMaxim 6:a8c83a2e6fa4 208 span<uint_least8_t> response(buffer, 1 + data.size());
IanBenzMaxim 6:a8c83a2e6fa4 209 const error_code result =
IanBenzMaxim 6:a8c83a2e6fa4 210 runCommand(make_span(buffer, 2), trngGenerationTimeMs, response);
IanBenzMaxim 6:a8c83a2e6fa4 211 if (!result) {
IanBenzMaxim 6:a8c83a2e6fa4 212 copy(response.begin(), response.end(), data.begin());
IanBenzMaxim 6:a8c83a2e6fa4 213 }
IanBenzMaxim 6:a8c83a2e6fa4 214 return result;
IanBenzMaxim 6:a8c83a2e6fa4 215 }
IanBenzMaxim 6:a8c83a2e6fa4 216
IanBenzMaxim 6:a8c83a2e6fa4 217 error_code DS28E38::runCommand(span<const uint_least8_t> command, int delayTime,
IanBenzMaxim 6:a8c83a2e6fa4 218 span<uint_least8_t> & response) {
IanBenzMaxim 6:a8c83a2e6fa4 219 const span<const uint_least8_t>::index_type responseInputSize =
IanBenzMaxim 6:a8c83a2e6fa4 220 response.size();
IanBenzMaxim 6:a8c83a2e6fa4 221 error_code result = doRunCommand(command, delayTime, response);
IanBenzMaxim 6:a8c83a2e6fa4 222 if (result) {
IanBenzMaxim 6:a8c83a2e6fa4 223 return result;
IanBenzMaxim 6:a8c83a2e6fa4 224 }
IanBenzMaxim 6:a8c83a2e6fa4 225 if (response.empty()) {
IanBenzMaxim 6:a8c83a2e6fa4 226 return make_error_code(InvalidResponseError);
IanBenzMaxim 6:a8c83a2e6fa4 227 }
IanBenzMaxim 6:a8c83a2e6fa4 228 // Parse command result byte.
IanBenzMaxim 6:a8c83a2e6fa4 229 switch (response[0]) {
IanBenzMaxim 6:a8c83a2e6fa4 230 case 0xAA:
IanBenzMaxim 6:a8c83a2e6fa4 231 // Success response.
IanBenzMaxim 6:a8c83a2e6fa4 232 if (response.size() != responseInputSize) {
IanBenzMaxim 6:a8c83a2e6fa4 233 result = make_error_code(InvalidResponseError);
IanBenzMaxim 6:a8c83a2e6fa4 234 }
IanBenzMaxim 6:a8c83a2e6fa4 235 break;
IanBenzMaxim 6:a8c83a2e6fa4 236
IanBenzMaxim 6:a8c83a2e6fa4 237 case 0x00:
IanBenzMaxim 6:a8c83a2e6fa4 238 result = make_error_code(InvalidResponseError);
IanBenzMaxim 6:a8c83a2e6fa4 239 break;
IanBenzMaxim 6:a8c83a2e6fa4 240
IanBenzMaxim 6:a8c83a2e6fa4 241 default:
IanBenzMaxim 6:a8c83a2e6fa4 242 result.assign(response[0], errorCategory());
IanBenzMaxim 6:a8c83a2e6fa4 243 break;
IanBenzMaxim 6:a8c83a2e6fa4 244 }
IanBenzMaxim 6:a8c83a2e6fa4 245 response = response.subspan(1);
IanBenzMaxim 6:a8c83a2e6fa4 246 return result;
IanBenzMaxim 6:a8c83a2e6fa4 247 }
IanBenzMaxim 6:a8c83a2e6fa4 248
IanBenzMaxim 6:a8c83a2e6fa4 249 error_code DS28E38::runCommand(span<const uint_least8_t> command,
IanBenzMaxim 6:a8c83a2e6fa4 250 int delayTime) {
IanBenzMaxim 6:a8c83a2e6fa4 251 uint_least8_t buffer;
IanBenzMaxim 6:a8c83a2e6fa4 252 span<uint_least8_t> response(&buffer, 1);
IanBenzMaxim 6:a8c83a2e6fa4 253 return runCommand(command, delayTime, response);
IanBenzMaxim 6:a8c83a2e6fa4 254 }
IanBenzMaxim 6:a8c83a2e6fa4 255
IanBenzMaxim 6:a8c83a2e6fa4 256 const error_category & DS28E38::errorCategory() {
IanBenzMaxim 6:a8c83a2e6fa4 257 static class : public error_category {
IanBenzMaxim 6:a8c83a2e6fa4 258 public:
IanBenzMaxim 6:a8c83a2e6fa4 259 virtual const char * name() const { return "DS28E38"; }
IanBenzMaxim 6:a8c83a2e6fa4 260
IanBenzMaxim 6:a8c83a2e6fa4 261 virtual std::string message(int condition) const {
IanBenzMaxim 6:a8c83a2e6fa4 262 switch (condition) {
IanBenzMaxim 6:a8c83a2e6fa4 263 case InvalidOperationError:
IanBenzMaxim 6:a8c83a2e6fa4 264 return "Invalid Operation Error";
IanBenzMaxim 6:a8c83a2e6fa4 265
IanBenzMaxim 6:a8c83a2e6fa4 266 case InvalidParameterError:
IanBenzMaxim 6:a8c83a2e6fa4 267 return "Invalid Parameter Error";
IanBenzMaxim 6:a8c83a2e6fa4 268
IanBenzMaxim 6:a8c83a2e6fa4 269 case InvalidSequenceError:
IanBenzMaxim 6:a8c83a2e6fa4 270 return "Invalid Sequence Error";
IanBenzMaxim 6:a8c83a2e6fa4 271
IanBenzMaxim 6:a8c83a2e6fa4 272 case InternalError:
IanBenzMaxim 6:a8c83a2e6fa4 273 return "Internal Error";
IanBenzMaxim 6:a8c83a2e6fa4 274
IanBenzMaxim 6:a8c83a2e6fa4 275 case DeviceDisabledError:
IanBenzMaxim 6:a8c83a2e6fa4 276 return "Device Disabled Error";
IanBenzMaxim 6:a8c83a2e6fa4 277
IanBenzMaxim 6:a8c83a2e6fa4 278 case InvalidResponseError:
IanBenzMaxim 6:a8c83a2e6fa4 279 return "Invalid Response Error";
IanBenzMaxim 6:a8c83a2e6fa4 280 }
IanBenzMaxim 6:a8c83a2e6fa4 281 return defaultErrorMessage(condition);
IanBenzMaxim 6:a8c83a2e6fa4 282 }
IanBenzMaxim 6:a8c83a2e6fa4 283 } instance;
IanBenzMaxim 6:a8c83a2e6fa4 284 return instance;
IanBenzMaxim 6:a8c83a2e6fa4 285 }
IanBenzMaxim 6:a8c83a2e6fa4 286
IanBenzMaxim 6:a8c83a2e6fa4 287 error_code readManId(DS28E38 & ds28e38, ManId::span manId) {
IanBenzMaxim 6:a8c83a2e6fa4 288 DS28E38::Status status;
IanBenzMaxim 6:a8c83a2e6fa4 289 const error_code result = ds28e38.readStatus(false, status);
IanBenzMaxim 6:a8c83a2e6fa4 290 if (!result) {
IanBenzMaxim 6:a8c83a2e6fa4 291 copy(make_span(status.manId), manId);
IanBenzMaxim 6:a8c83a2e6fa4 292 }
IanBenzMaxim 6:a8c83a2e6fa4 293 return result;
IanBenzMaxim 6:a8c83a2e6fa4 294 }
IanBenzMaxim 6:a8c83a2e6fa4 295
IanBenzMaxim 6:a8c83a2e6fa4 296 DS28E38::PageAuthenticationData &
IanBenzMaxim 6:a8c83a2e6fa4 297 DS28E38::PageAuthenticationData::setAnonymousRomId() {
IanBenzMaxim 6:a8c83a2e6fa4 298 std::fill(romId().begin(), romId().end(), 0xFF);
IanBenzMaxim 6:a8c83a2e6fa4 299 return *this;
IanBenzMaxim 6:a8c83a2e6fa4 300 }
IanBenzMaxim 6:a8c83a2e6fa4 301
IanBenzMaxim 6:a8c83a2e6fa4 302 } // namespace MaximInterface