Diff: Devices/DS1920.cpp

Revision:

7:9cd16581b578

Parent:

6:471901a04573

Child:

8:5ea891c7d1a1

--- a/Devices/DS1920.cpp	Mon Mar 04 08:10:00 2019 -0600
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,145 +0,0 @@
-/*******************************************************************************
-* Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved.
-*
-* Permission is hereby granted, free of charge, to any person obtaining a
-* copy of this software and associated documentation files (the "Software"),
-* to deal in the Software without restriction, including without limitation
-* the rights to use, copy, modify, merge, publish, distribute, sublicense,
-* and/or sell copies of the Software, and to permit persons to whom the
-* Software is furnished to do so, subject to the following conditions:
-*
-* The above copyright notice and this permission notice shall be included
-* in all copies or substantial portions of the Software.
-*
-* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
-* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-* OTHER DEALINGS IN THE SOFTWARE.
-*
-* Except as contained in this notice, the name of Maxim Integrated
-* Products, Inc. shall not be used except as stated in the Maxim Integrated
-* Products, Inc. Branding Policy.
-*
-* The mere transfer of this software does not imply any licenses
-* of trade secrets, proprietary technology, copyrights, patents,
-* trademarks, maskwork rights, or any other form of intellectual
-* property whatsoever. Maxim Integrated Products, Inc. retains all
-* ownership rights.
-*******************************************************************************/
-
-#include <MaximInterface/Links/OneWireMaster.hpp>
-#include <MaximInterface/Utilities/Error.hpp>
-#include "DS1920.hpp"
-
-namespace MaximInterface {
-
-error_code DS1920::writeScratchpad(uint_least8_t th, uint_least8_t tl) {  
-  error_code result = selectRom(*master);
-  if (!result) {
-    const uint_least8_t sendBlock[] = {0x4E, th, tl};
-    result = master->writeBlock(sendBlock);
-  }
-  return result;
-}
-
-error_code DS1920::readScratchpad(Scratchpad::span scratchpad) {  
-  error_code result = selectRom(*master);
-  if (!result) {
-    result = master->writeByte(0xBE);
-    if (!result) {
-      result = master->readBlock(scratchpad);
-      if (!result) {
-        uint_least8_t receivedCrc;
-        result = master->readByte(receivedCrc);
-        if (!result && (receivedCrc != calculateCrc8(scratchpad))) {
-          result = make_error_code(CrcError);
-        }
-      }
-    }
-  }
-  return result;
-}
-
-error_code DS1920::copyScratchpad() {  
-  error_code result = selectRom(*master);
-  if (!result) {
-    result = master->writeByteSetLevel(0x48, OneWireMaster::StrongLevel);
-    if (!result) {
-      sleep->invoke(10);
-      result = master->setLevel(OneWireMaster::NormalLevel);
-    }
-  }
-  return result;
-}
-
-error_code DS1920::convertTemperature() {  
-  error_code result = selectRom(*master);
-  if (!result) {
-    result = master->writeByteSetLevel(0x44, OneWireMaster::StrongLevel);
-    if (!result) {
-      sleep->invoke(750);
-      result = master->setLevel(OneWireMaster::NormalLevel);
-    }
-  }
-  return result;
-}
-
-error_code DS1920::recallEeprom() {  
-  error_code result = selectRom(*master);
-  if (!result) {
-    result = master->writeByte(0xB8);
-  }
-  return result;
-}
-
-const error_category & DS1920::errorCategory() {
-  static class : public error_category {
-  public:
-    virtual const char * name() const { return "DS1920"; }
-
-    virtual std::string message(int condition) const {
-      switch (condition) {
-      case CrcError:
-        return "CRC Error";
-
-      case DataError:
-        return "Data Error";
-
-      default:
-        return defaultErrorMessage(condition);
-      }
-    }
-  } instance;
-  return instance;
-}
-
-error_code readTemperature(DS1920 & ds1920, int & temperature) {
-  error_code result = ds1920.convertTemperature();
-  if (result) {
-    return result;
-  }
-  DS1920::Scratchpad::array scratchpad;
-  result = ds1920.readScratchpad(scratchpad);
-  if (result) {
-    return result;
-  }
-
-  unsigned int tempData =
-      (static_cast<unsigned int>(scratchpad[1]) << 8) | scratchpad[0];
-  const unsigned int signMask = 0xFF00;
-  if ((tempData & signMask) == signMask) {
-    temperature = -0x100;
-    tempData &= ~signMask;
-  } else if ((tempData & signMask) == 0) {
-    temperature = 0;
-  } else {
-    return make_error_code(DS1920::DataError);
-  }
-  temperature += static_cast<int>(tempData);
-  return error_code();
-}
-
-} // namespace MaximInterface