Maxim Integrated / OneWire

1-Wire® library for mbed. Complete 1-Wire library that supports our silicon masters along with a bit-bang master on the MAX32600MBED platform with one common interface for mbed. Slave support has also been included and more slaves will be added as time permits.

Dependents:   MAXREFDES131_Qt_Demo MAX32630FTHR_iButton_uSD_Logger MAX32630FTHR_DS18B20_uSD_Logger MAXREFDES130_131_Demo ... more

Superseded by MaximInterface.

OneWire_Masters/OneWireMaster.h@0:19ec8044b826, 2016-01-30 (annotated)

Committer:
j3
Date:
Sat Jan 30 17:41:03 2016 +0000
Revision:
0:19ec8044b826
initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
j3 0:19ec8044b826 1 /******************************************************************//**
j3 0:19ec8044b826 2 * @file OneWireMaster.h
j3 0:19ec8044b826 3 *
j3 0:19ec8044b826 4 * @author Justin Jordan
j3 0:19ec8044b826 5 *
j3 0:19ec8044b826 6 * @version 0.0
j3 0:19ec8044b826 7 *
j3 0:19ec8044b826 8 * Started: 29JAN16
j3 0:19ec8044b826 9 *
j3 0:19ec8044b826 10 * Updated:
j3 0:19ec8044b826 11 *
j3 0:19ec8044b826 12 * @brief Header file for abstract class that defines 1-wire interface
j3 0:19ec8044b826 13 ***********************************************************************
j3 0:19ec8044b826 14 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
j3 0:19ec8044b826 15 *
j3 0:19ec8044b826 16 * Permission is hereby granted, free of charge, to any person obtaining a
j3 0:19ec8044b826 17 * copy of this software and associated documentation files (the "Software"),
j3 0:19ec8044b826 18 * to deal in the Software without restriction, including without limitation
j3 0:19ec8044b826 19 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
j3 0:19ec8044b826 20 * and/or sell copies of the Software, and to permit persons to whom the
j3 0:19ec8044b826 21 * Software is furnished to do so, subject to the following conditions:
j3 0:19ec8044b826 22 *
j3 0:19ec8044b826 23 * The above copyright notice and this permission notice shall be included
j3 0:19ec8044b826 24 * in all copies or substantial portions of the Software.
j3 0:19ec8044b826 25 *
j3 0:19ec8044b826 26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
j3 0:19ec8044b826 27 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
j3 0:19ec8044b826 28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
j3 0:19ec8044b826 29 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
j3 0:19ec8044b826 30 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
j3 0:19ec8044b826 31 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
j3 0:19ec8044b826 32 * OTHER DEALINGS IN THE SOFTWARE.
j3 0:19ec8044b826 33 *
j3 0:19ec8044b826 34 * Except as contained in this notice, the name of Maxim Integrated
j3 0:19ec8044b826 35 * Products, Inc. shall not be used except as stated in the Maxim Integrated
j3 0:19ec8044b826 36 * Products, Inc. Branding Policy.
j3 0:19ec8044b826 37 *
j3 0:19ec8044b826 38 * The mere transfer of this software does not imply any licenses
j3 0:19ec8044b826 39 * of trade secrets, proprietary technology, copyrights, patents,
j3 0:19ec8044b826 40 * trademarks, maskwork rights, or any other form of intellectual
j3 0:19ec8044b826 41 * property whatsoever. Maxim Integrated Products, Inc. retains all
j3 0:19ec8044b826 42 * ownership rights.
j3 0:19ec8044b826 43 **********************************************************************/
j3 0:19ec8044b826 44
j3 0:19ec8044b826 45
j3 0:19ec8044b826 46 #ifndef ONEWIREMASTER_H
j3 0:19ec8044b826 47 #define ONEWIREMASTER_H
j3 0:19ec8044b826 48
j3 0:19ec8044b826 49
j3 0:19ec8044b826 50 /*
j3 0:19ec8044b826 51
j3 0:19ec8044b826 52 http://www.learncpp.com/cpp-tutorial/126-pure-virtual-functions-abstract-base-classes-and-interface-classes/
j3 0:19ec8044b826 53
j3 0:19ec8044b826 54 Interface classes
j3 0:19ec8044b826 55
j3 0:19ec8044b826 56 An interface class is a class that has no members variables, and where
j3 0:19ec8044b826 57 all of the functions are pure virtual! In other words, the class is purely
j3 0:19ec8044b826 58 a definition, and has no actual implementation. Interfaces are useful when
j3 0:19ec8044b826 59 you want to define the functionality that derived classes must implement,
j3 0:19ec8044b826 60 but leave the details of how the derived class implements that functionality
j3 0:19ec8044b826 61 entirely up to the derived class.
j3 0:19ec8044b826 62
j3 0:19ec8044b826 63 */
j3 0:19ec8044b826 64
j3 0:19ec8044b826 65 //interface taken from AN3684
j3 0:19ec8044b826 66 //https://www.maximintegrated.com/en/app-notes/index.mvp/id/3684
j3 0:19ec8044b826 67
j3 0:19ec8044b826 68 class OneWireMaster
j3 0:19ec8044b826 69 {
j3 0:19ec8044b826 70 public:
j3 0:19ec8044b826 71
j3 0:19ec8044b826 72 /**********************************************************//**
j3 0:19ec8044b826 73 * @brief Reset all of the devices on the 1-Wire Net and return
j3 0:19ec8044b826 74 * the result.
j3 0:19ec8044b826 75 *
j3 0:19ec8044b826 76 * @details
j3 0:19ec8044b826 77 *
j3 0:19ec8044b826 78 * On Entry:
j3 0:19ec8044b826 79 *
j3 0:19ec8044b826 80 * On Exit:
j3 0:19ec8044b826 81 * @return TRUE(1): presence pulse(s) detected, device(s) reset
j3 0:19ec8044b826 82 * FALSE(0): no presence pulses detected
j3 0:19ec8044b826 83 **************************************************************/
j3 0:19ec8044b826 84 virtual uint8_t OWReset() = 0;
j3 0:19ec8044b826 85
j3 0:19ec8044b826 86
j3 0:19ec8044b826 87 /**********************************************************//**
j3 0:19ec8044b826 88 * @brief Send 1 bit of communication to the 1-Wire Net.
j3 0:19ec8044b826 89 * The parameter 'sendbit' least significant bit is used.
j3 0:19ec8044b826 90 *
j3 0:19ec8044b826 91 * @details
j3 0:19ec8044b826 92 *
j3 0:19ec8044b826 93 * On Entry:
j3 0:19ec8044b826 94 * @param[in] 'sendbit' - 1 bit to send (least significant byte)
j3 0:19ec8044b826 95 *
j3 0:19ec8044b826 96 * On Exit:
j3 0:19ec8044b826 97 * @return
j3 0:19ec8044b826 98 **************************************************************/
j3 0:19ec8044b826 99 virtual void OWWriteBit(uint8_t sendbit) = 0;
j3 0:19ec8044b826 100
j3 0:19ec8044b826 101
j3 0:19ec8044b826 102 /**********************************************************//**
j3 0:19ec8044b826 103 * @brief Reads 1 bit of communication from the 1-Wire Net and
j3 0:19ec8044b826 104 * returns the result
j3 0:19ec8044b826 105 *
j3 0:19ec8044b826 106 * @details
j3 0:19ec8044b826 107 *
j3 0:19ec8044b826 108 * On Entry:
j3 0:19ec8044b826 109 *
j3 0:19ec8044b826 110 * On Exit:
j3 0:19ec8044b826 111 * @return 1 bit read from 1-Wire Net
j3 0:19ec8044b826 112 **************************************************************/
j3 0:19ec8044b826 113 virtual uint8_t OWReadBit() = 0;
j3 0:19ec8044b826 114
j3 0:19ec8044b826 115
j3 0:19ec8044b826 116 /**********************************************************//**
j3 0:19ec8044b826 117 * @brief Send 1 bit of communication to the 1-Wire Net and return
j3 0:19ec8044b826 118 * the result 1 bit read from the 1-Wire Net. The
j3 0:19ec8044b826 119 * parameter 'sendbit' least significant bit is used and
j3 0:19ec8044b826 120 * the least significant bit of the result is the return
j3 0:19ec8044b826 121 * bit.
j3 0:19ec8044b826 122 *
j3 0:19ec8044b826 123 * @details
j3 0:19ec8044b826 124 *
j3 0:19ec8044b826 125 * On Entry:
j3 0:19ec8044b826 126 * @param[in] 'sendbit' - the least significant bit is the bit to send
j3 0:19ec8044b826 127 *
j3 0:19ec8044b826 128 * On Exit:
j3 0:19ec8044b826 129 * @return 0: 0 bit read from sendbit
j3 0:19ec8044b826 130 * 1: 1 bit read from sendbit
j3 0:19ec8044b826 131 **************************************************************/
j3 0:19ec8044b826 132 virtual uint8_t OWTouchBit(uint8_t sendbit) = 0;
j3 0:19ec8044b826 133
j3 0:19ec8044b826 134
j3 0:19ec8044b826 135 /**********************************************************//**
j3 0:19ec8044b826 136 * @brief Send 8 bits of communication to the 1-Wire Net and
j3 0:19ec8044b826 137 * verify that the 8 bits read from the 1-Wire Net is the
j3 0:19ec8044b826 138 * same (write operation).The parameter 'sendbyte' least
j3 0:19ec8044b826 139 * significant 8 bits are used.
j3 0:19ec8044b826 140 *
j3 0:19ec8044b826 141 * @details
j3 0:19ec8044b826 142 *
j3 0:19ec8044b826 143 * On Entry:
j3 0:19ec8044b826 144 * @param[in] 'sendbyte' - 8 bits to send (least significant byte)
j3 0:19ec8044b826 145 *
j3 0:19ec8044b826 146 * On Exit:
j3 0:19ec8044b826 147 * @return TRUE: bytes written and echo was the same
j3 0:19ec8044b826 148 * FALSE: echo was not the same
j3 0:19ec8044b826 149 **************************************************************/
j3 0:19ec8044b826 150 virtual void OWWRiteByte(uint8_t sendbyte) = 0;
j3 0:19ec8044b826 151
j3 0:19ec8044b826 152
j3 0:19ec8044b826 153 /**********************************************************//**
j3 0:19ec8044b826 154 * @brief Send 8 bits of read communication to the 1-Wire Net and
j3 0:19ec8044b826 155 * return the result 8 bits read from the 1-Wire Net.
j3 0:19ec8044b826 156 *
j3 0:19ec8044b826 157 * @details
j3 0:19ec8044b826 158 *
j3 0:19ec8044b826 159 * On Entry:
j3 0:19ec8044b826 160 *
j3 0:19ec8044b826 161 * On Exit:
j3 0:19ec8044b826 162 * @return 8 bits read from 1-Wire Net
j3 0:19ec8044b826 163 **************************************************************/
j3 0:19ec8044b826 164 virtual uint8_t OWReadByte(void) = 0;
j3 0:19ec8044b826 165
j3 0:19ec8044b826 166
j3 0:19ec8044b826 167 /**********************************************************//**
j3 0:19ec8044b826 168 * @brief Send 8 bits of communication to the 1-Wire Net and
j3 0:19ec8044b826 169 * return the result 8 bits read from the 1-Wire Net. The
j3 0:19ec8044b826 170 * parameter 'sendbyte' least significant 8 bits are used
j3 0:19ec8044b826 171 * and the least significant 8 bits of the result is the
j3 0:19ec8044b826 172 * return byte.
j3 0:19ec8044b826 173 *
j3 0:19ec8044b826 174 * @details
j3 0:19ec8044b826 175 *
j3 0:19ec8044b826 176 * On Entry:
j3 0:19ec8044b826 177 * @param[in] 'sendbyte' - 8 bits to send (least significant byte)
j3 0:19ec8044b826 178 *
j3 0:19ec8044b826 179 * On Exit:
j3 0:19ec8044b826 180 * @return 8 bits read from sendbyte
j3 0:19ec8044b826 181 **************************************************************/
j3 0:19ec8044b826 182 virtual uint8_t OWTouchByte(uint8_t sendbyte) = 0;
j3 0:19ec8044b826 183
j3 0:19ec8044b826 184
j3 0:19ec8044b826 185 /**********************************************************//**
j3 0:19ec8044b826 186 * @brief The 'OWBlock' transfers a block of data to and from the
j3 0:19ec8044b826 187 * 1-Wire Net. The result is returned in the same buffer.
j3 0:19ec8044b826 188 *
j3 0:19ec8044b826 189 * @details
j3 0:19ec8044b826 190 *
j3 0:19ec8044b826 191 * On Entry:
j3 0:19ec8044b826 192 * @param[in] 'tran_buf' - pointer to a block of unsigned
j3 0:19ec8044b826 193 * chars of length 'tran_len' that
j3 0:19ec8044b826 194 * will be sent to the 1-Wire Net
j3 0:19ec8044b826 195 * @param[in] 'tran_len' - length in bytes to transfer
j3 0:19ec8044b826 196 *
j3 0:19ec8044b826 197 * On Exit:
j3 0:19ec8044b826 198 * @return
j3 0:19ec8044b826 199 **************************************************************/
j3 0:19ec8044b826 200 virtual void OWBlock(uint8_t *tran_buf, uint8_t tran_len) = 0;
j3 0:19ec8044b826 201
j3 0:19ec8044b826 202
j3 0:19ec8044b826 203 /**********************************************************//**
j3 0:19ec8044b826 204 * @brief Find the 'first' devices on the 1-Wire network
j3 0:19ec8044b826 205 *
j3 0:19ec8044b826 206 * @details
j3 0:19ec8044b826 207 *
j3 0:19ec8044b826 208 * On Entry:
j3 0:19ec8044b826 209 *
j3 0:19ec8044b826 210 * On Exit:
j3 0:19ec8044b826 211 * @return TRUE : device found, ROM number in ROM_NO buffer
j3 0:19ec8044b826 212 * FALSE : no device present
j3 0:19ec8044b826 213 **************************************************************/
j3 0:19ec8044b826 214 virtual void OWFirst(void) = 0;
j3 0:19ec8044b826 215
j3 0:19ec8044b826 216
j3 0:19ec8044b826 217 /**********************************************************//**
j3 0:19ec8044b826 218 * @brief Find the 'next' devices on the 1-Wire network
j3 0:19ec8044b826 219 *
j3 0:19ec8044b826 220 * @details
j3 0:19ec8044b826 221 *
j3 0:19ec8044b826 222 * On Entry:
j3 0:19ec8044b826 223 *
j3 0:19ec8044b826 224 * On Exit:
j3 0:19ec8044b826 225 * @return TRUE : device found, ROM number in ROM_NO buffer
j3 0:19ec8044b826 226 * FALSE : device not found, end of search
j3 0:19ec8044b826 227 **************************************************************/
j3 0:19ec8044b826 228 virtual uint8_t OWNext(void) = 0;
j3 0:19ec8044b826 229
j3 0:19ec8044b826 230
j3 0:19ec8044b826 231 /**********************************************************//**
j3 0:19ec8044b826 232 * @brief Verify the device with the ROM number in ROM_NO buffer
j3 0:19ec8044b826 233 * is present.
j3 0:19ec8044b826 234 *
j3 0:19ec8044b826 235 * @details
j3 0:19ec8044b826 236 *
j3 0:19ec8044b826 237 * On Entry:
j3 0:19ec8044b826 238 *
j3 0:19ec8044b826 239 * On Exit:
j3 0:19ec8044b826 240 * @return TRUE : device verified present
j3 0:19ec8044b826 241 * FALSE : device not present
j3 0:19ec8044b826 242 **************************************************************/
j3 0:19ec8044b826 243 virtual uint8_t OWVerify(void) = 0;
j3 0:19ec8044b826 244
j3 0:19ec8044b826 245
j3 0:19ec8044b826 246 /**********************************************************//**
j3 0:19ec8044b826 247 * @brief Setup the search to find the device type 'family_code'
j3 0:19ec8044b826 248 * on the next call to OWNext() if it is present.
j3 0:19ec8044b826 249 *
j3 0:19ec8044b826 250 * @details
j3 0:19ec8044b826 251 *
j3 0:19ec8044b826 252 * On Entry:
j3 0:19ec8044b826 253 * @param[in] family_code - family code of device
j3 0:19ec8044b826 254 *
j3 0:19ec8044b826 255 * On Exit:
j3 0:19ec8044b826 256 * @return
j3 0:19ec8044b826 257 **************************************************************/
j3 0:19ec8044b826 258 virtual void OWTargetSetup(uint8_t family_code) = 0;
j3 0:19ec8044b826 259
j3 0:19ec8044b826 260
j3 0:19ec8044b826 261 /**********************************************************//**
j3 0:19ec8044b826 262 * @brief Setup the search to skip the current device type on the
j3 0:19ec8044b826 263 * next call to OWNext().
j3 0:19ec8044b826 264 *
j3 0:19ec8044b826 265 * @details
j3 0:19ec8044b826 266 *
j3 0:19ec8044b826 267 * On Entry:
j3 0:19ec8044b826 268 *
j3 0:19ec8044b826 269 * On Exit:
j3 0:19ec8044b826 270 * @return
j3 0:19ec8044b826 271 **************************************************************/
j3 0:19ec8044b826 272 virtual void OWFamilySkipSetup(void) = 0;
j3 0:19ec8044b826 273
j3 0:19ec8044b826 274
j3 0:19ec8044b826 275 **********************************************************//**
j3 0:19ec8044b826 276 * @brief The 'OWSearch' function does a general search. This
j3 0:19ec8044b826 277 * function continues from the previous search state. The
j3 0:19ec8044b826 278 * search state can be reset by using the 'OWFirst'
j3 0:19ec8044b826 279 * function. This function contains one parameter
j3 0:19ec8044b826 280 * 'alarm_only'. When 'alarm_only' is TRUE (1) the find
j3 0:19ec8044b826 281 * alarm command 0xEC is sent instead of the normal search
j3 0:19ec8044b826 282 * command 0xF0. Using the find alarm command 0xEC will
j3 0:19ec8044b826 283 * limit the search to only 1-Wire devices that are in an
j3 0:19ec8044b826 284 * 'alarm' state.
j3 0:19ec8044b826 285 *
j3 0:19ec8044b826 286 * @details
j3 0:19ec8044b826 287 *
j3 0:19ec8044b826 288 * On Entry:
j3 0:19ec8044b826 289 *
j3 0:19ec8044b826 290 * On Exit:
j3 0:19ec8044b826 291 * @return TRUE (1) : when a 1-Wire device was found and its
j3 0:19ec8044b826 292 * Serial Number placed in the global ROM
j3 0:19ec8044b826 293 * FALSE (0): when no new device was found. Either the
j3 0:19ec8044b826 294 * last search was the last device or there
j3 0:19ec8044b826 295 * are no devices on the 1-Wire Net.
j3 0:19ec8044b826 296 **************************************************************/
j3 0:19ec8044b826 297 virtual uint8_t OWSearch(void) = 0;
j3 0:19ec8044b826 298
j3 0:19ec8044b826 299
j3 0:19ec8044b826 300 **********************************************************//**
j3 0:19ec8044b826 301 * @brief Set the 1-Wire Net communication speed.
j3 0:19ec8044b826 302 *
j3 0:19ec8044b826 303 * @details
j3 0:19ec8044b826 304 *
j3 0:19ec8044b826 305 * On Entry:
j3 0:19ec8044b826 306 * @param[in] 'new_speed' - new speed defined as
j3 0:19ec8044b826 307 * MODE_STANDARD 0x00
j3 0:19ec8044b826 308 * MODE_OVERDRIVE 0x01
j3 0:19ec8044b826 309 *
j3 0:19ec8044b826 310 * On Exit:
j3 0:19ec8044b826 311 * @return current 1-Wire Net speed
j3 0:19ec8044b826 312 **************************************************************/
j3 0:19ec8044b826 313 virtual uint8_t OWSpeed(uint8_t new_speed) = 0;
j3 0:19ec8044b826 314
j3 0:19ec8044b826 315
j3 0:19ec8044b826 316 **********************************************************//**
j3 0:19ec8044b826 317 * @brief Set the 1-Wire Net line level pull-up to normal. The
j3 0:19ec8044b826 318 * ds2484 does only allows enabling strong pull-up on a
j3 0:19ec8044b826 319 * bit or byte event. Consequently this function only
j3 0:19ec8044b826 320 * allows the MODE_STANDARD argument. To enable strong
j3 0:19ec8044b826 321 * pull-up use OWWriteBytePower or OWReadBitPower.
j3 0:19ec8044b826 322 *
j3 0:19ec8044b826 323 * @details
j3 0:19ec8044b826 324 *
j3 0:19ec8044b826 325 * On Entry:
j3 0:19ec8044b826 326 * @param[in] 'new_level' - new level defined as
j3 0:19ec8044b826 327 * MODE_STANDARD 0x00
j3 0:19ec8044b826 328 *
j3 0:19ec8044b826 329 * On Exit:
j3 0:19ec8044b826 330 * @return current 1-Wire Net level
j3 0:19ec8044b826 331 **************************************************************/
j3 0:19ec8044b826 332 virtual uint8_t OWLevel(uint8_t new_level) = 0;
j3 0:19ec8044b826 333
j3 0:19ec8044b826 334
j3 0:19ec8044b826 335 **********************************************************//**
j3 0:19ec8044b826 336 * @brief Send 8 bits of communication to the 1-Wire Net and
j3 0:19ec8044b826 337 * verify that the 8 bits read from the 1-Wire Net is the
j3 0:19ec8044b826 338 * same (write operation). The parameter 'sendbyte' least
j3 0:19ec8044b826 339 * significant 8 bits are used. After the 8 bits are sent
j3 0:19ec8044b826 340 * change the level of the 1-Wire net.
j3 0:19ec8044b826 341 *
j3 0:19ec8044b826 342 * @details
j3 0:19ec8044b826 343 *
j3 0:19ec8044b826 344 * On Entry:
j3 0:19ec8044b826 345 * @param[in] 'sendbyte' - 8 bits to send (least significant bit)
j3 0:19ec8044b826 346 *
j3 0:19ec8044b826 347 * On Exit:
j3 0:19ec8044b826 348 * @return TRUE: bytes written and echo was the same, strong pullup now on
j3 0:19ec8044b826 349 * FALSE: echo was not the same
j3 0:19ec8044b826 350 **************************************************************/
j3 0:19ec8044b826 351 virtual uint8_t OWWriteBytePower(uint8_t sendbyte) = 0;
j3 0:19ec8044b826 352
j3 0:19ec8044b826 353
j3 0:19ec8044b826 354 **********************************************************//**
j3 0:19ec8044b826 355 * @brief Send 1 bit of communication to the 1-Wire Net and verify
j3 0:19ec8044b826 356 * that the response matches the 'applyPowerResponse' bit
j3 0:19ec8044b826 357 * and apply power delivery to the 1-Wire net. Note that
j3 0:19ec8044b826 358 * some implementations may apply the power first and then
j3 0:19ec8044b826 359 * turn it off if the response is incorrect.
j3 0:19ec8044b826 360 *
j3 0:19ec8044b826 361 * @details
j3 0:19ec8044b826 362 *
j3 0:19ec8044b826 363 * On Entry:
j3 0:19ec8044b826 364 * @param[in] 'applyPowerResponse' - 1 bit response to check,
j3 0:19ec8044b826 365 * if correct
j3 0:19ec8044b826 366 * then start power delivery
j3 0:19ec8044b826 367 *
j3 0:19ec8044b826 368 * On Exit:
j3 0:19ec8044b826 369 * @return
j3 0:19ec8044b826 370 **************************************************************/
j3 0:19ec8044b826 371 virtual uint8_t OWReadBitPower(uint8_t applyPowerResponse) = 0;
j3 0:19ec8044b826 372
j3 0:19ec8044b826 373
j3 0:19ec8044b826 374 **********************************************************//**
j3 0:19ec8044b826 375 * @brief Calculate the CRC8 of the byte value provided with the
j3 0:19ec8044b826 376 * current global 'crc8' value.
j3 0:19ec8044b826 377 *
j3 0:19ec8044b826 378 * @details
j3 0:19ec8044b826 379 *
j3 0:19ec8044b826 380 * On Entry:
j3 0:19ec8044b826 381 * @param[in] data
j3 0:19ec8044b826 382 *
j3 0:19ec8044b826 383 * On Exit:
j3 0:19ec8044b826 384 * @return current global crc8 value
j3 0:19ec8044b826 385 **************************************************************/
j3 0:19ec8044b826 386 virtual uint8_t calc_crc8(uint8_t data) = 0;
j3 0:19ec8044b826 387
j3 0:19ec8044b826 388 };
j3 0:19ec8044b826 389
j3 0:19ec8044b826 390 #endif /*ONEWIREMASTER_H*/