Mike Fruge / OneWire

Implementation of 1-Wire with added Alarm Search Functionality

Dependents:   Max32630_One_Wire_Interface

Masters/DS2465/DS2465.h@139:f0e0a7976846, 2016-12-13 (annotated)

Committer:
j3
Date:
Tue Dec 13 13:31:30 2016 -0800
Revision:
139:f0e0a7976846
Parent:
98:c4ac93efc036
Child:
141:cf38f48a2a49
Merge from svn

Who changed what in which revision?

UserRevisionLine numberNew contents of line
IanBenzMaxim 75:8b627804927c 1 /******************************************************************//**
IanBenzMaxim 75:8b627804927c 2 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
IanBenzMaxim 75:8b627804927c 3 *
IanBenzMaxim 75:8b627804927c 4 * Permission is hereby granted, free of charge, to any person obtaining a
IanBenzMaxim 75:8b627804927c 5 * copy of this software and associated documentation files (the "Software"),
IanBenzMaxim 75:8b627804927c 6 * to deal in the Software without restriction, including without limitation
IanBenzMaxim 75:8b627804927c 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
IanBenzMaxim 75:8b627804927c 8 * and/or sell copies of the Software, and to permit persons to whom the
IanBenzMaxim 75:8b627804927c 9 * Software is furnished to do so, subject to the following conditions:
IanBenzMaxim 75:8b627804927c 10 *
IanBenzMaxim 75:8b627804927c 11 * The above copyright notice and this permission notice shall be included
IanBenzMaxim 75:8b627804927c 12 * in all copies or substantial portions of the Software.
IanBenzMaxim 75:8b627804927c 13 *
IanBenzMaxim 75:8b627804927c 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
IanBenzMaxim 75:8b627804927c 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
IanBenzMaxim 75:8b627804927c 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IanBenzMaxim 75:8b627804927c 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
IanBenzMaxim 75:8b627804927c 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
IanBenzMaxim 75:8b627804927c 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
IanBenzMaxim 75:8b627804927c 20 * OTHER DEALINGS IN THE SOFTWARE.
IanBenzMaxim 75:8b627804927c 21 *
IanBenzMaxim 75:8b627804927c 22 * Except as contained in this notice, the name of Maxim Integrated
IanBenzMaxim 75:8b627804927c 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
IanBenzMaxim 75:8b627804927c 24 * Products, Inc. Branding Policy.
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IanBenzMaxim 75:8b627804927c 26 * The mere transfer of this software does not imply any licenses
IanBenzMaxim 75:8b627804927c 27 * of trade secrets, proprietary technology, copyrights, patents,
IanBenzMaxim 75:8b627804927c 28 * trademarks, maskwork rights, or any other form of intellectual
IanBenzMaxim 75:8b627804927c 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
IanBenzMaxim 75:8b627804927c 30 * ownership rights.
IanBenzMaxim 75:8b627804927c 31 **********************************************************************/
IanBenzMaxim 75:8b627804927c 32
IanBenzMaxim 73:2cecc1372acc 33 #ifndef OneWire_Masters_DS2465
IanBenzMaxim 73:2cecc1372acc 34 #define OneWire_Masters_DS2465
IanBenzMaxim 21:00c94aeb533e 35
IanBenzMaxim 73:2cecc1372acc 36 #include "Masters/OneWireMaster.h"
IanBenzMaxim 86:2ce08ca58b9e 37 #include "Slaves/Authenticators/ISha256MacCoproc.h"
IanBenzMaxim 21:00c94aeb533e 38
IanBenzMaxim 47:307dc45952db 39 namespace mbed { class I2C; }
IanBenzMaxim 27:d5aaefa252f1 40
IanBenzMaxim 73:2cecc1372acc 41 namespace OneWire
IanBenzMaxim 21:00c94aeb533e 42 {
IanBenzMaxim 76:84e6c4994e29 43 /// Interface to the DS2465 1-Wire master and SHA-256 coprocessor.
IanBenzMaxim 76:84e6c4994e29 44 class DS2465 : public OneWireMaster, public ISha256MacCoproc
IanBenzMaxim 73:2cecc1372acc 45 {
IanBenzMaxim 76:84e6c4994e29 46 public:
IanBenzMaxim 76:84e6c4994e29 47 /// Delay required after writing an EEPROM segment.
IanBenzMaxim 76:84e6c4994e29 48 static const unsigned int eepromSegmentWriteDelayMs = 10;
IanBenzMaxim 76:84e6c4994e29 49 /// Delay required after writing an EEPROM page such as the secret memory.
IanBenzMaxim 76:84e6c4994e29 50 static const unsigned int eepromPageWriteDelayMs = 8 * eepromSegmentWriteDelayMs;
IanBenzMaxim 76:84e6c4994e29 51 /// Delay required for a SHA computation to complete.
IanBenzMaxim 76:84e6c4994e29 52 static const unsigned int shaComputationDelayMs = 2;
IanBenzMaxim 76:84e6c4994e29 53
IanBenzMaxim 76:84e6c4994e29 54 /// Page region to use for swapping.
IanBenzMaxim 76:84e6c4994e29 55 enum PageRegion
IanBenzMaxim 76:84e6c4994e29 56 {
IanBenzMaxim 78:0cbbac7f2016 57 FullPage = 0x03,
IanBenzMaxim 78:0cbbac7f2016 58 FirstHalf = 0x01,
IanBenzMaxim 78:0cbbac7f2016 59 SecondHalf = 0x02
IanBenzMaxim 76:84e6c4994e29 60 };
IanBenzMaxim 76:84e6c4994e29 61
IanBenzMaxim 76:84e6c4994e29 62 /// Starting memory addresses.
IanBenzMaxim 78:0cbbac7f2016 63 enum MemoryAddress
IanBenzMaxim 76:84e6c4994e29 64 {
IanBenzMaxim 78:0cbbac7f2016 65 Scratchpad = 0x00,
IanBenzMaxim 78:0cbbac7f2016 66 CommandReg = 0x60,
IanBenzMaxim 78:0cbbac7f2016 67 StatusReg = 0x61,
IanBenzMaxim 78:0cbbac7f2016 68 ReadDataReg = 0x62,
IanBenzMaxim 78:0cbbac7f2016 69 MacReadoutReg = 0x63,
IanBenzMaxim 78:0cbbac7f2016 70 MemoryProtectionReg = 0x64,
IanBenzMaxim 78:0cbbac7f2016 71 ConfigReg = 0x67,
IanBenzMaxim 78:0cbbac7f2016 72 tRSTL_Reg = 0x68,
IanBenzMaxim 78:0cbbac7f2016 73 tMSP_Reg = 0x69,
IanBenzMaxim 78:0cbbac7f2016 74 tW0L_Reg = 0x6A,
IanBenzMaxim 78:0cbbac7f2016 75 tREC0_Reg = 0x6B,
IanBenzMaxim 78:0cbbac7f2016 76 RWPU_Reg = 0x6C,
IanBenzMaxim 78:0cbbac7f2016 77 tW1L_Reg = 0x6D,
IanBenzMaxim 78:0cbbac7f2016 78 UserMemoryPage0 = 0x80,
IanBenzMaxim 78:0cbbac7f2016 79 UserMemoryPage1 = 0xA0
IanBenzMaxim 76:84e6c4994e29 80 };
IanBenzMaxim 76:84e6c4994e29 81
IanBenzMaxim 76:84e6c4994e29 82 /// Represents a DS2465 configuration.
IanBenzMaxim 76:84e6c4994e29 83 class Config
IanBenzMaxim 74:23be10c32fa3 84 {
IanBenzMaxim 74:23be10c32fa3 85 public:
IanBenzMaxim 76:84e6c4994e29 86 /// @{
IanBenzMaxim 76:84e6c4994e29 87 /// 1-Wire Speed
IanBenzMaxim 76:84e6c4994e29 88 bool get1WS() const { return m_1WS; }
IanBenzMaxim 76:84e6c4994e29 89 void set1WS(bool new1WS) { m_1WS = new1WS; }
IanBenzMaxim 76:84e6c4994e29 90 /// @}
IanBenzMaxim 21:00c94aeb533e 91
IanBenzMaxim 76:84e6c4994e29 92 /// @{
IanBenzMaxim 76:84e6c4994e29 93 /// Strong Pullup
IanBenzMaxim 76:84e6c4994e29 94 bool getSPU() const { return m_SPU; }
IanBenzMaxim 76:84e6c4994e29 95 void setSPU(bool newSPU) { m_SPU = newSPU; }
IanBenzMaxim 76:84e6c4994e29 96 /// @}
IanBenzMaxim 74:23be10c32fa3 97
IanBenzMaxim 76:84e6c4994e29 98 /// @{
IanBenzMaxim 76:84e6c4994e29 99 /// 1-Wire Power Down
IanBenzMaxim 76:84e6c4994e29 100 bool getPDN() const { return m_PDN; }
IanBenzMaxim 76:84e6c4994e29 101 void setPDN(bool newPDN) { m_PDN = newPDN; }
IanBenzMaxim 76:84e6c4994e29 102 /// @}
IanBenzMaxim 74:23be10c32fa3 103
IanBenzMaxim 76:84e6c4994e29 104 /// @{
IanBenzMaxim 76:84e6c4994e29 105 /// Active Pullup
IanBenzMaxim 76:84e6c4994e29 106 bool getAPU() const { return m_APU; }
IanBenzMaxim 76:84e6c4994e29 107 void setAPU(bool newAPU) { m_APU = newAPU; }
IanBenzMaxim 76:84e6c4994e29 108 /// @}
IanBenzMaxim 21:00c94aeb533e 109
IanBenzMaxim 76:84e6c4994e29 110 /// Byte representation that is read from the DS2465.
IanBenzMaxim 76:84e6c4994e29 111 uint8_t readByte() const;
IanBenzMaxim 76:84e6c4994e29 112 /// Byte respresentation that is written to the DS2465.
IanBenzMaxim 76:84e6c4994e29 113 uint8_t writeByte() const;
IanBenzMaxim 74:23be10c32fa3 114
IanBenzMaxim 76:84e6c4994e29 115 /// Reset to the power-on default config.
IanBenzMaxim 76:84e6c4994e29 116 void reset();
IanBenzMaxim 76:84e6c4994e29 117 Config() { reset(); }
IanBenzMaxim 74:23be10c32fa3 118
IanBenzMaxim 74:23be10c32fa3 119 private:
IanBenzMaxim 76:84e6c4994e29 120 bool m_1WS, m_SPU, m_PDN, m_APU;
IanBenzMaxim 76:84e6c4994e29 121 };
IanBenzMaxim 76:84e6c4994e29 122
IanBenzMaxim 76:84e6c4994e29 123 /// @param I2C_interface Configured I2C communication interface for DS2465.
IanBenzMaxim 76:84e6c4994e29 124 /// @param I2C_address I2C bus address of the DS2465 in mbed format.
j3 139:f0e0a7976846 125 DS2465(mbed::I2C & I2C_interface, uint8_t I2C_address = 0x30);
IanBenzMaxim 76:84e6c4994e29 126
IanBenzMaxim 76:84e6c4994e29 127 // Const member functions should not change the settings of the DS2465 or affect the state of the 1-Wire bus.
IanBenzMaxim 76:84e6c4994e29 128 // Read pointer, scratchpad, MAC output register, and command register on the DS2465 are considered mutable.
IanBenzMaxim 76:84e6c4994e29 129
IanBenzMaxim 76:84e6c4994e29 130 /// Performs a soft reset on the DS2465.
IanBenzMaxim 98:c4ac93efc036 131 /// @note This is not a 1-Wire Reset.
IanBenzMaxim 76:84e6c4994e29 132 OneWireMaster::CmdResult reset();
IanBenzMaxim 76:84e6c4994e29 133
IanBenzMaxim 76:84e6c4994e29 134 /// Write a new configuration to the DS2465.
IanBenzMaxim 76:84e6c4994e29 135 /// @param[in] config New configuration to write.
IanBenzMaxim 76:84e6c4994e29 136 /// @param verify Verify that the configuration was written successfully.
IanBenzMaxim 76:84e6c4994e29 137 OneWireMaster::CmdResult writeConfig(const Config & config, bool verify);
IanBenzMaxim 76:84e6c4994e29 138
IanBenzMaxim 76:84e6c4994e29 139 /// Read the current DS2465 configuration.
IanBenzMaxim 76:84e6c4994e29 140 /// @returns The cached current configuration.
IanBenzMaxim 76:84e6c4994e29 141 Config currentConfig() const { return m_curConfig; }
IanBenzMaxim 76:84e6c4994e29 142
IanBenzMaxim 76:84e6c4994e29 143 // DS2465 Memory Commands
IanBenzMaxim 76:84e6c4994e29 144
IanBenzMaxim 76:84e6c4994e29 145 /// Read memory from the DS2465.
IanBenzMaxim 76:84e6c4994e29 146 /// @param addr Address to begin reading from.
IanBenzMaxim 76:84e6c4994e29 147 /// @param[out] buf Buffer to hold read data.
IanBenzMaxim 76:84e6c4994e29 148 /// @param bufLen Length of buffer, buf, and number of bytes to read.
IanBenzMaxim 76:84e6c4994e29 149 /// @param skipSetPointer Assume that the read pointer is already set to the correct address.
IanBenzMaxim 76:84e6c4994e29 150 OneWireMaster::CmdResult readMemory(uint8_t addr, uint8_t * buf, size_t bufLen, bool skipSetPointer = false) const;
IanBenzMaxim 74:23be10c32fa3 151
IanBenzMaxim 76:84e6c4994e29 152 /// Write to SRAM memory on the DS2465.
IanBenzMaxim 76:84e6c4994e29 153 /// @param addr Address to begin writing to.
IanBenzMaxim 76:84e6c4994e29 154 /// @param[in] buf Buffer containing the data to write.
IanBenzMaxim 76:84e6c4994e29 155 /// @param bufLen Length of buffer, buf, and number of bytes to write.
IanBenzMaxim 76:84e6c4994e29 156 OneWireMaster::CmdResult writeMemory(uint8_t addr, const uint8_t * buf, size_t bufLen) { return cWriteMemory(addr, buf, bufLen); }
IanBenzMaxim 76:84e6c4994e29 157
IanBenzMaxim 76:84e6c4994e29 158 /// Write data to the scratchpad area of the DS2465.
IanBenzMaxim 76:84e6c4994e29 159 /// @param[in] buf Buffer containing the data to write.
IanBenzMaxim 76:84e6c4994e29 160 /// @param bufLen Length of buffer, buf, and the number of bytes to write.
IanBenzMaxim 78:0cbbac7f2016 161 OneWireMaster::CmdResult writeScratchpad(const uint8_t * buf, size_t bufLen) const { return cWriteMemory(Scratchpad, buf, bufLen); }
IanBenzMaxim 76:84e6c4994e29 162
IanBenzMaxim 76:84e6c4994e29 163 /// Copy the scratchpad contents to an EEPROM memory page.
IanBenzMaxim 76:84e6c4994e29 164 /// @param pageNum Page number to copy to.
IanBenzMaxim 76:84e6c4994e29 165 OneWireMaster::CmdResult copyScratchpadToPage(unsigned int pageNum) { return copyScratchpad(false, pageNum, false, 0); }
IanBenzMaxim 74:23be10c32fa3 166
IanBenzMaxim 76:84e6c4994e29 167 /// Copy the scratchpad contents to an EEPROM memory segment.
IanBenzMaxim 76:84e6c4994e29 168 /// @param pageNum Page number to copy to.
IanBenzMaxim 76:84e6c4994e29 169 /// @param segmentNum Segment number to copy to.
IanBenzMaxim 76:84e6c4994e29 170 OneWireMaster::CmdResult copyScratchpadToSegment(unsigned int pageNum, unsigned int segmentNum) { return copyScratchpad(false, pageNum, true, segmentNum); }
IanBenzMaxim 76:84e6c4994e29 171
IanBenzMaxim 76:84e6c4994e29 172 /// Copy the scratchpad contents to the secret EEPROM memory page.
IanBenzMaxim 76:84e6c4994e29 173 OneWireMaster::CmdResult copyScratchpadToSecret() { return copyScratchpad(true, 0, false, 0); }
IanBenzMaxim 76:84e6c4994e29 174
IanBenzMaxim 76:84e6c4994e29 175 // 1-Wire Master Commands
IanBenzMaxim 76:84e6c4994e29 176 virtual OneWireMaster::CmdResult OWInitMaster();
IanBenzMaxim 76:84e6c4994e29 177 virtual OneWireMaster::CmdResult OWReset();
IanBenzMaxim 76:84e6c4994e29 178 virtual OneWireMaster::CmdResult OWTouchBitSetLevel(uint8_t & sendRecvBit, OWLevel afterLevel);
IanBenzMaxim 76:84e6c4994e29 179 virtual OneWireMaster::CmdResult OWReadByteSetLevel(uint8_t & recvByte, OWLevel afterLevel);
IanBenzMaxim 76:84e6c4994e29 180 virtual OneWireMaster::CmdResult OWWriteByteSetLevel(uint8_t sendByte, OWLevel afterLevel);
IanBenzMaxim 76:84e6c4994e29 181 virtual OneWireMaster::CmdResult OWReadBlock(uint8_t *recvBuf, uint8_t recvLen);
IanBenzMaxim 76:84e6c4994e29 182 virtual OneWireMaster::CmdResult OWWriteBlock(const uint8_t *sendBuf, uint8_t sendLen);
IanBenzMaxim 76:84e6c4994e29 183 virtual OneWireMaster::CmdResult OWSetSpeed(OWSpeed newSpeed);
IanBenzMaxim 76:84e6c4994e29 184 /// @note The DS2465 only supports enabling strong pullup following a 1-Wire read or write operation.
IanBenzMaxim 76:84e6c4994e29 185 virtual OneWireMaster::CmdResult OWSetLevel(OWLevel newLevel);
IanBenzMaxim 76:84e6c4994e29 186 virtual OneWireMaster::CmdResult OWTriplet(SearchDirection & searchDirection, uint8_t & sbr, uint8_t & tsb);
IanBenzMaxim 74:23be10c32fa3 187
IanBenzMaxim 76:84e6c4994e29 188 /// Write the last computed MAC to the 1-Wire bus
IanBenzMaxim 76:84e6c4994e29 189 OneWireMaster::CmdResult OWWriteBlockMac();
IanBenzMaxim 76:84e6c4994e29 190
IanBenzMaxim 76:84e6c4994e29 191 // DS2465 Coprocessor Commands
IanBenzMaxim 76:84e6c4994e29 192
IanBenzMaxim 76:84e6c4994e29 193 /// Compute Next Master Secret with scratchpad data.
IanBenzMaxim 78:0cbbac7f2016 194 OneWireMaster::CmdResult computeNextMasterSecret() { return computeNextMasterSecret(false, 0, FullPage); }
IanBenzMaxim 76:84e6c4994e29 195
IanBenzMaxim 76:84e6c4994e29 196 /// Compute Next Master Secret with page swapping.
IanBenzMaxim 76:84e6c4994e29 197 /// @param pageNum Page number to swap in.
IanBenzMaxim 76:84e6c4994e29 198 /// @param region Region of the page to swap in.
IanBenzMaxim 76:84e6c4994e29 199 OneWireMaster::CmdResult computeNextMasterSecretSwap(unsigned int pageNum, PageRegion region) { return computeNextMasterSecret(true, pageNum, region); }
IanBenzMaxim 76:84e6c4994e29 200
IanBenzMaxim 76:84e6c4994e29 201 /// Compute Write MAC with scratchpad data.
IanBenzMaxim 76:84e6c4994e29 202 /// @param regwrite True if writing to a register or false if regular memory.
IanBenzMaxim 76:84e6c4994e29 203 OneWireMaster::CmdResult computeWriteMac(bool regwrite) const { return computeWriteMac(regwrite, false, 0, 0); }
IanBenzMaxim 76:84e6c4994e29 204
IanBenzMaxim 76:84e6c4994e29 205 /// Compute Write MAC with page swapping.
IanBenzMaxim 76:84e6c4994e29 206 /// @param regwrite True if writing to a register or false if regular memory.
IanBenzMaxim 76:84e6c4994e29 207 /// @param pageNum Page number to swap in.
IanBenzMaxim 76:84e6c4994e29 208 /// @param segmentNum Segment number to swap in.
IanBenzMaxim 76:84e6c4994e29 209 OneWireMaster::CmdResult computeWriteMacSwap(bool regwrite, unsigned int pageNum, unsigned int segmentNum) const { return computeWriteMac(regwrite, true, pageNum, segmentNum); }
IanBenzMaxim 76:84e6c4994e29 210
IanBenzMaxim 76:84e6c4994e29 211 /// Compute Slave Secret (S-Secret) with scratchpad data.
IanBenzMaxim 78:0cbbac7f2016 212 OneWireMaster::CmdResult computeSlaveSecret() { return computeSlaveSecret(false, 0, FullPage); }
IanBenzMaxim 76:84e6c4994e29 213
IanBenzMaxim 76:84e6c4994e29 214 /// Compute Slave Secret (S-Secret) with page swapping.
IanBenzMaxim 76:84e6c4994e29 215 /// @param pageNum Page number to swap in.
IanBenzMaxim 76:84e6c4994e29 216 /// @param region Region of the page to swap in.
IanBenzMaxim 76:84e6c4994e29 217 OneWireMaster::CmdResult computeSlaveSecretSwap(unsigned int pageNum, PageRegion region) { return computeSlaveSecret(true, pageNum, region); }
IanBenzMaxim 76:84e6c4994e29 218
IanBenzMaxim 76:84e6c4994e29 219 /// Compute Authentication MAC with scratchpad data.
IanBenzMaxim 78:0cbbac7f2016 220 OneWireMaster::CmdResult computeAuthMac() const { return computeAuthMac(false, 0, FullPage); }
IanBenzMaxim 74:23be10c32fa3 221
IanBenzMaxim 76:84e6c4994e29 222 /// Compute Authentication MAC with page swapping.
IanBenzMaxim 76:84e6c4994e29 223 /// @param pageNum Page number to swap in.
IanBenzMaxim 76:84e6c4994e29 224 /// @param region Region of the page to swap in.
IanBenzMaxim 76:84e6c4994e29 225 OneWireMaster::CmdResult computeAuthMacSwap(unsigned int pageNum, PageRegion region) const { return computeAuthMac(true, pageNum, region); }
IanBenzMaxim 76:84e6c4994e29 226
IanBenzMaxim 76:84e6c4994e29 227 // ISha256MacCoproc Commands
IanBenzMaxim 76:84e6c4994e29 228 virtual ISha256MacCoproc::CmdResult setMasterSecret(const Secret & masterSecret);
IanBenzMaxim 76:84e6c4994e29 229 virtual ISha256MacCoproc::CmdResult computeSlaveSecret(const DevicePage & devicePage, const DeviceScratchpad & deviceScratchpad, const SlaveSecretData & slaveSecretData);
IanBenzMaxim 76:84e6c4994e29 230 virtual ISha256MacCoproc::CmdResult computeWriteMac(const WriteMacData & writeMacData, Mac & mac) const;
IanBenzMaxim 76:84e6c4994e29 231 virtual ISha256MacCoproc::CmdResult computeAuthMac(const DevicePage & devicePage, const DeviceScratchpad & challenge, const AuthMacData & authMacData, Mac & mac) const;
IanBenzMaxim 76:84e6c4994e29 232
IanBenzMaxim 76:84e6c4994e29 233 private:
IanBenzMaxim 76:84e6c4994e29 234 mbed::I2C & m_I2C_interface;
IanBenzMaxim 76:84e6c4994e29 235 uint8_t m_I2C_address;
IanBenzMaxim 76:84e6c4994e29 236 Config m_curConfig;
IanBenzMaxim 76:84e6c4994e29 237
IanBenzMaxim 76:84e6c4994e29 238 /// Polls the DS2465 status waiting for the 1-Wire Busy bit (1WB) to be cleared.
IanBenzMaxim 76:84e6c4994e29 239 /// @param[out] pStatus Optionally retrive the status byte when 1WB cleared.
IanBenzMaxim 76:84e6c4994e29 240 /// @returns Success or TimeoutError if poll limit reached.
IanBenzMaxim 76:84e6c4994e29 241 OneWireMaster::CmdResult pollBusy(uint8_t * pStatus = NULL);
IanBenzMaxim 76:84e6c4994e29 242
IanBenzMaxim 76:84e6c4994e29 243 /// Ensure that the desired 1-Wire level is set in the configuration.
IanBenzMaxim 76:84e6c4994e29 244 /// @param level Desired 1-Wire level.
IanBenzMaxim 76:84e6c4994e29 245 OneWireMaster::CmdResult configureLevel(OWLevel level);
IanBenzMaxim 76:84e6c4994e29 246
IanBenzMaxim 76:84e6c4994e29 247 /// Const version of writeMemory() for internal use.
IanBenzMaxim 76:84e6c4994e29 248 OneWireMaster::CmdResult cWriteMemory(uint8_t addr, const uint8_t * buf, size_t bufLen) const;
IanBenzMaxim 76:84e6c4994e29 249
IanBenzMaxim 76:84e6c4994e29 250 // Legacy implementations
IanBenzMaxim 76:84e6c4994e29 251 OneWireMaster::CmdResult OWWriteBlock(bool tx_mac, const uint8_t *tran_buf, uint8_t tran_len);
IanBenzMaxim 76:84e6c4994e29 252 OneWireMaster::CmdResult copyScratchpad(bool destSecret, unsigned int pageNum, bool notFull, unsigned int segmentNum);
IanBenzMaxim 76:84e6c4994e29 253 OneWireMaster::CmdResult computeNextMasterSecret(bool swap, unsigned int pageNum, PageRegion region);
IanBenzMaxim 76:84e6c4994e29 254 OneWireMaster::CmdResult computeWriteMac(bool regwrite, bool swap, unsigned int pageNum, unsigned int segmentNum) const;
IanBenzMaxim 76:84e6c4994e29 255 OneWireMaster::CmdResult computeSlaveSecret(bool swap, unsigned int pageNum, PageRegion region);
IanBenzMaxim 76:84e6c4994e29 256 OneWireMaster::CmdResult computeAuthMac(bool swap, unsigned int pageNum, PageRegion region) const;
IanBenzMaxim 76:84e6c4994e29 257 };
IanBenzMaxim 73:2cecc1372acc 258 }
IanBenzMaxim 21:00c94aeb533e 259
IanBenzMaxim 21:00c94aeb533e 260 #endif