From e4190e50a4ed83c73fb046b7fce2694e8cfe2ddb Mon Sep 17 00:00:00 2001
From: Bill Greiman <fat16lib@sbcglobal.net>
Date: Wed, 4 Oct 2017 08:41:32 -0700
Subject: [PATCH] Change to MIT License

---
 extras/MainPage/SdFatmainpage.h          | 44 ++++++++++++-----------
 extras/SdFatTestSuite/SdFatTestSuite.cpp | 41 +++++++++++----------
 extras/SdFatTestSuite/SdFatTestSuite.h   | 37 ++++++++++---------
 src/BlockDriver.h                        | 33 +++++++++--------
 src/FatLib/ArduinoFiles.h                | 35 ++++++++++--------
 src/FatLib/ArduinoStream.h               | 33 +++++++++--------
 src/FatLib/BaseBlockDriver.h             | 43 ++++++++++++----------
 src/FatLib/FatApiConstants.h             | 33 +++++++++--------
 src/FatLib/FatFile.cpp                   | 33 +++++++++--------
 src/FatLib/FatFile.h                     | 39 +++++++++++---------
 src/FatLib/FatFileLFN.cpp                | 33 +++++++++--------
 src/FatLib/FatFilePrint.cpp              | 33 +++++++++--------
 src/FatLib/FatFileSFN.cpp                | 33 +++++++++--------
 src/FatLib/FatFileSystem.h               | 35 ++++++++++--------
 src/FatLib/FatLib.h                      | 33 +++++++++--------
 src/FatLib/FatLibConfig.h                | 35 ++++++++++--------
 src/FatLib/FatStructs.h                  | 45 +++++++++++++-----------
 src/FatLib/FatVolume.cpp                 | 33 +++++++++--------
 src/FatLib/FatVolume.h                   | 35 ++++++++++--------
 src/FatLib/FmtNumber.cpp                 | 33 +++++++++--------
 src/FatLib/FmtNumber.h                   | 33 +++++++++--------
 src/FatLib/StdioStream.cpp               | 33 +++++++++--------
 src/FatLib/StdioStream.h                 | 33 +++++++++--------
 src/FatLib/bufstream.h                   | 33 +++++++++--------
 src/FatLib/fstream.cpp                   | 33 +++++++++--------
 src/FatLib/fstream.h                     | 33 +++++++++--------
 src/FatLib/ios.h                         | 33 +++++++++--------
 src/FatLib/iostream.h                    | 33 +++++++++--------
 src/FatLib/istream.cpp                   | 33 +++++++++--------
 src/FatLib/istream.h                     | 33 +++++++++--------
 src/FatLib/ostream.cpp                   | 33 +++++++++--------
 src/FatLib/ostream.h                     | 33 +++++++++--------
 src/FreeStack.h                          | 35 ++++++++++--------
 src/MinimumSerial.cpp                    | 33 +++++++++--------
 src/MinimumSerial.h                      | 33 +++++++++--------
 src/SdCard/SdInfo.h                      | 33 +++++++++--------
 src/SdCard/SdSpiCard.cpp                 | 33 +++++++++--------
 src/SdCard/SdSpiCard.h                   | 33 +++++++++--------
 src/SdCard/SdSpiCardEX.cpp               | 33 +++++++++--------
 src/SdCard/SdioCard.h                    | 33 +++++++++--------
 src/SdCard/SdioCardEX.cpp                | 33 +++++++++--------
 src/SdCard/SdioTeensy.cpp                | 33 +++++++++--------
 src/SdFat.h                              | 33 +++++++++--------
 src/SdFatConfig.h                        | 45 +++++++++++++-----------
 src/SpiDriver/DigitalPin.h               | 33 +++++++++--------
 src/SpiDriver/SdSpiBaseDriver.h          | 33 +++++++++--------
 src/SpiDriver/SdSpiDriver.h              | 33 +++++++++--------
 src/SpiDriver/SdSpiESP8266.cpp           | 35 +++++++++---------
 src/SpiDriver/SdSpiSAM3X.cpp             | 33 +++++++++--------
 src/SpiDriver/SdSpiSTM32.cpp             | 33 +++++++++--------
 src/SpiDriver/SdSpiTeensy3.cpp           | 33 +++++++++--------
 src/SpiDriver/SoftSPI.h                  | 33 +++++++++--------
 src/SysCall.h                            | 33 +++++++++--------
 53 files changed, 1043 insertions(+), 781 deletions(-)

diff --git a/extras/MainPage/SdFatmainpage.h b/extras/MainPage/SdFatmainpage.h
index b3c7346f..309b5511 100644
--- a/extras/MainPage/SdFatmainpage.h
+++ b/extras/MainPage/SdFatmainpage.h
@@ -1,23 +1,27 @@
-/* Arduino SdFat Library
- * Copyright (C) 2012 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino SdFat Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdFat Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
-
 /**
 \mainpage Arduino %SdFat Library
 <CENTER>Copyright &copy; 2012, 2013, 2014, 2015, 2016 by William Greiman
@@ -38,9 +42,9 @@ The main classes in %SdFat are SdFat, SdFatEX, SdFatSoftSpi, SdFatSoftSpiEX,
 SdBaseFile, SdFile, File, StdioStream, \ref fstream, \ref ifstream,
 and \ref ofstream.
 
-The SdFat, SdFatEX, SdFatSoftSpi and SdFatSoftSpiEX classes maintain a 
+The SdFat, SdFatEX, SdFatSoftSpi and SdFatSoftSpiEX classes maintain a
 FAT volume, a current working directory, and simplify initialization
-of other classes. The SdFat and SdFatEX classes uses a fast custom hardware SPI 
+of other classes. The SdFat and SdFatEX classes uses a fast custom hardware SPI
 implementation.  The SdFatSoftSpi and SdFatSoftSpiEX classes uses software SPI.
 
 the SdFatEX and SdFatSoftSpiEX use extended multi-block I/O for enhanced
@@ -109,7 +113,7 @@ will be defined. If the symbol ENABLE_SOFTWARE_SPI_CLASS is also nonzero,
 the class SdFatSoftSpiEX will be defined.
 These classes used extended multi-block SD I/O for better performance.
 the SPI bus may not be shared with other devices in this mode.
- 
+
 Set USE_STANDARD_SPI_LIBRARY and  ENABLE_SOFTWARE_SPI_CLASS to
 enable various SPI options. set USE_STANDARD_SPI_LIBRARY to use the standard
 Arduino SPI library. set ENABLE_SOFTWARE_SPI_CLASS to enable the SdFatSoftSpi
@@ -236,7 +240,7 @@ Does another SPI device need to be disabled?
 Is there a wiring/soldering problem?
 
 errorCode: 0x1, errorData: 0xff
-</PRE> 
+</PRE>
 Here is a message from QuickStart that indicates a formatting problem:
 <PRE>
 Card successfully initialized.
@@ -284,7 +288,7 @@ Short names are always converted to upper case and their original case
 value is lost.  Files that have a base-name where all characters have the
 same case and an extension where all characters have the same case will
 display properly.  Examples this type name are UPPER.low, lower.TXT,
-UPPER.TXT, and lower.txt. 
+UPPER.TXT, and lower.txt.
 
 An application which writes to a file using print(), println() or
 write() must close the file or call sync() at the appropriate time to
diff --git a/extras/SdFatTestSuite/SdFatTestSuite.cpp b/extras/SdFatTestSuite/SdFatTestSuite.cpp
index 396bf49e..ba04b8d4 100644
--- a/extras/SdFatTestSuite/SdFatTestSuite.cpp
+++ b/extras/SdFatTestSuite/SdFatTestSuite.cpp
@@ -1,21 +1,26 @@
-/* Arduino SdFat Library
- * Copyright (C) 2011 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino SdFat Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdFat Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #include <SdFatTestSuite.h>
 static uint16_t failCount;
@@ -36,8 +41,8 @@ void testBegin() {
   while (Serial.read() <= 0) {}
   delay(200); // Catch Due reset problem
 
-  testOut->print(F("FreeRam: "));
-  testOut->println(FreeRam());
+  testOut->print(F("FreeStack: "));
+  testOut->println(FreeStack());
   testOut->println();
   failCount = 0;
   testCount = 0;
@@ -46,8 +51,8 @@ void testBegin() {
 void testEnd() {
   testOut->println();
   testOut->println(F("Compiled: " __DATE__ " " __TIME__));
-  testOut->print(F("FreeRam: "));
-  testOut->println(FreeRam());
+  testOut->print(F("FreeStack: "));
+  testOut->println(FreeStack());
   testOut->print(F("Test count: "));
   testOut->println(testCount);
   testOut->print(F("Fail count: "));
diff --git a/extras/SdFatTestSuite/SdFatTestSuite.h b/extras/SdFatTestSuite/SdFatTestSuite.h
index 736f67f7..f0fbd853 100644
--- a/extras/SdFatTestSuite/SdFatTestSuite.h
+++ b/extras/SdFatTestSuite/SdFatTestSuite.h
@@ -1,26 +1,31 @@
-/* Arduino SdFat Library
- * Copyright (C) 2011 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino SdFat Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdFat Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef SdFatTestSuite_h
 #define SdFatTestSuite_h
-#include <SdFat.h>
-#include <SdFatUtil.h>
+#include "SdFat.h"
+#include "FreeStack.h"
 
 #if defined(__arm__) && !defined(strcmp_P)
 #define strcmp_P(a, b) strcmp((a), (b))
diff --git a/src/BlockDriver.h b/src/BlockDriver.h
index 9c453515..71acdfd4 100644
--- a/src/BlockDriver.h
+++ b/src/BlockDriver.h
@@ -1,21 +1,26 @@
-/* Arduino SdFat Library
- * Copyright (C) 2016 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino SdFat Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdFat Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
  /**
  * \file
diff --git a/src/FatLib/ArduinoFiles.h b/src/FatLib/ArduinoFiles.h
index 45038c32..0775049e 100644
--- a/src/FatLib/ArduinoFiles.h
+++ b/src/FatLib/ArduinoFiles.h
@@ -1,21 +1,26 @@
-/* Arduino SdFat Library
- * Copyright (C) 2012 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino SdFat Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdFat Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 /**
  * \file
@@ -159,7 +164,7 @@ class File : public FatFile, public Stream {
   /** No longer implemented due to Long File Names.
    *
    * Use getName(char* name, size_t size).
-   * \return a pointer to replacement suggestion. 
+   * \return a pointer to replacement suggestion.
    */
   const char* name() const {
     return "use getName()";
diff --git a/src/FatLib/ArduinoStream.h b/src/FatLib/ArduinoStream.h
index e9c01b7d..8cbb9985 100644
--- a/src/FatLib/ArduinoStream.h
+++ b/src/FatLib/ArduinoStream.h
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef ArduinoStream_h
 #define ArduinoStream_h
diff --git a/src/FatLib/BaseBlockDriver.h b/src/FatLib/BaseBlockDriver.h
index f9774e7e..31221efc 100644
--- a/src/FatLib/BaseBlockDriver.h
+++ b/src/FatLib/BaseBlockDriver.h
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2016 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef BaseBlockDriver_h
 #define BaseBlockDriver_h
@@ -33,12 +38,12 @@ class BaseBlockDriver {
    * \param[out] dst Pointer to the location that will receive the data.
    * \return The value true is returned for success and
    * the value false is returned for failure.
-   */  
+   */
   virtual bool readBlock(uint32_t block, uint8_t* dst) = 0;
   /** End multi-block transfer and go to idle state.
    * \return The value true is returned for success and
    * the value false is returned for failure.
-   */     
+   */
   virtual bool syncBlocks() = 0;
   /**
    * Writes a 512 byte block to an SD card.
@@ -47,7 +52,7 @@ class BaseBlockDriver {
    * \param[in] src Pointer to the location of the data to be written.
    * \return The value true is returned for success and
    * the value false is returned for failure.
-   */    
+   */
   virtual bool writeBlock(uint32_t block, const uint8_t* src) = 0;
 #if USE_MULTI_BLOCK_IO
   /**
@@ -58,7 +63,7 @@ class BaseBlockDriver {
    * \param[out] dst Pointer to the location that will receive the data.
    * \return The value true is returned for success and
    * the value false is returned for failure.
-   */  
+   */
   virtual bool readBlocks(uint32_t block, uint8_t* dst, size_t nb) = 0;
   /**
    * Write multiple 512 byte blocks to an SD card.
@@ -68,7 +73,7 @@ class BaseBlockDriver {
    * \param[in] src Pointer to the location of the data to be written.
    * \return The value true is returned for success and
    * the value false is returned for failure.
-   */    
+   */
   virtual bool writeBlocks(uint32_t block, const uint8_t* src, size_t nb) = 0;
 #endif  // USE_MULTI_BLOCK_IO
 };
diff --git a/src/FatLib/FatApiConstants.h b/src/FatLib/FatApiConstants.h
index 22dae03a..f4080ac1 100644
--- a/src/FatLib/FatApiConstants.h
+++ b/src/FatLib/FatApiConstants.h
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef FatApiConstants_h
 #define FatApiConstants_h
diff --git a/src/FatLib/FatFile.cpp b/src/FatLib/FatFile.cpp
index 8f3a820c..1cb1ddf6 100644
--- a/src/FatLib/FatFile.cpp
+++ b/src/FatLib/FatFile.cpp
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2012 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #include "FatFile.h"
 #include "FatFileSystem.h"
diff --git a/src/FatLib/FatFile.h b/src/FatLib/FatFile.h
index db049f5d..cc874506 100644
--- a/src/FatLib/FatFile.h
+++ b/src/FatLib/FatFile.h
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2012 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef FatFile_h
 #define FatFile_h
@@ -232,7 +237,7 @@ class FatFile {
    *
    * \return The value true is returned for success and
    * the value false, is returned for failure.
-   */                        
+   */
   bool createContiguous(const char* path, uint32_t size) {
     return createContiguous(m_cwd, path, size);
   }
@@ -377,7 +382,7 @@ class FatFile {
    *                  The array must be at least 13 bytes long.
    * \return The value true, is returned for success and
    * the value false, is returned for failure.
-   */  
+   */
   bool getSFN(char* name);
   /** \return True if this is a directory else false. */
   bool isDir() const {
@@ -670,7 +675,7 @@ class FatFile {
    *
    * \return The number of characters printed is returned
    *         for success and zero is returned for failure.
-   */  
+   */
   size_t printSFN(print_t* pr);
   /** Read the next byte from a file.
    *
diff --git a/src/FatLib/FatFileLFN.cpp b/src/FatLib/FatFileLFN.cpp
index 5ab9f45a..52b97841 100644
--- a/src/FatLib/FatFileLFN.cpp
+++ b/src/FatLib/FatFileLFN.cpp
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2012 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #include "FatFile.h"
 //------------------------------------------------------------------------------
diff --git a/src/FatLib/FatFilePrint.cpp b/src/FatLib/FatFilePrint.cpp
index 137ac7be..7ac2c711 100644
--- a/src/FatLib/FatFilePrint.cpp
+++ b/src/FatLib/FatFilePrint.cpp
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2012 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #include <math.h>
 #include "FatFile.h"
diff --git a/src/FatLib/FatFileSFN.cpp b/src/FatLib/FatFileSFN.cpp
index 4b89f09c..0ebcfe44 100644
--- a/src/FatLib/FatFileSFN.cpp
+++ b/src/FatLib/FatFileSFN.cpp
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2012 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #include "FatFile.h"
 #include "FatFileSystem.h"
diff --git a/src/FatLib/FatFileSystem.h b/src/FatLib/FatFileSystem.h
index 16977b78..0f66d355 100644
--- a/src/FatLib/FatFileSystem.h
+++ b/src/FatLib/FatFileSystem.h
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef FatFileSystem_h
 #define FatFileSystem_h
@@ -36,7 +41,7 @@ class FatFileSystem : public  FatVolume {
  public:
   /**
    * Initialize an FatFileSystem object.
-   * \param[in] blockDev Device block driver.   
+   * \param[in] blockDev Device block driver.
    * \param[in] part partition to initialize.
    * \return The value true is returned for success and
    * the value false is returned for failure.
diff --git a/src/FatLib/FatLib.h b/src/FatLib/FatLib.h
index 425a92b5..fa45dbeb 100644
--- a/src/FatLib/FatLib.h
+++ b/src/FatLib/FatLib.h
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef FatLib_h
 #define FatLib_h
diff --git a/src/FatLib/FatLibConfig.h b/src/FatLib/FatLibConfig.h
index 736c62ca..6713a133 100644
--- a/src/FatLib/FatLibConfig.h
+++ b/src/FatLib/FatLibConfig.h
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 /**
  * \file
@@ -79,7 +84,7 @@
 #endif  // RAMEND
 #endif  // USE_MULTI_BLOCK_IO
 //------------------------------------------------------------------------------
-/** 
+/**
  * Set MAINTAIN_FREE_CLUSTER_COUNT nonzero to keep the count of free clusters
  * updated.  This will increase the speed of the freeClusterCount() call
  * after the first call.  Extra flash will be required.
diff --git a/src/FatLib/FatStructs.h b/src/FatLib/FatStructs.h
index dd13db14..112cbb6e 100644
--- a/src/FatLib/FatStructs.h
+++ b/src/FatLib/FatStructs.h
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2013 by William Greiman
- *
- * This file is part of the FatLib Library
- *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
+ *
+ * MIT License
+ *
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef FatStructs_h
 #define FatStructs_h
@@ -120,11 +125,11 @@ struct masterBootRecord {
 /** Type name for masterBootRecord */
 typedef struct masterBootRecord mbr_t;
 //------------------------------------------------------------------------------
-/** 
+/**
  * \struct biosParmBlock
  *
  * \brief BIOS parameter block
- * 
+ *
  *  The BIOS parameter block describes the physical layout of a FAT volume.
  */
 struct biosParmBlock {
diff --git a/src/FatLib/FatVolume.cpp b/src/FatLib/FatVolume.cpp
index ea01af59..82c77730 100644
--- a/src/FatLib/FatVolume.cpp
+++ b/src/FatLib/FatVolume.cpp
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #include <string.h>
 #include "FatVolume.h"
diff --git a/src/FatLib/FatVolume.h b/src/FatLib/FatVolume.h
index 859f5c3f..a1fc70d5 100644
--- a/src/FatLib/FatVolume.h
+++ b/src/FatLib/FatVolume.h
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef FatVolume_h
 #define FatVolume_h
@@ -212,7 +217,7 @@ class FatVolume {
    * floppy format.
    *
    * \return The value true is returned for success and
-   * the value false is returned for failure. 
+   * the value false is returned for failure.
    */
   bool init() {
     return init(1) || init(0);
diff --git a/src/FatLib/FmtNumber.cpp b/src/FatLib/FmtNumber.cpp
index 3aa5bec0..e16c47a6 100644
--- a/src/FatLib/FmtNumber.cpp
+++ b/src/FatLib/FmtNumber.cpp
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #include "FmtNumber.h"
 // Use Stimmer div/mod 10 on avr
diff --git a/src/FatLib/FmtNumber.h b/src/FatLib/FmtNumber.h
index 2bb97dc4..c873ce15 100644
--- a/src/FatLib/FmtNumber.h
+++ b/src/FatLib/FmtNumber.h
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef FmtNumber_h
 #define FmtNumber_h
diff --git a/src/FatLib/StdioStream.cpp b/src/FatLib/StdioStream.cpp
index 40ad0930..0fbfc182 100644
--- a/src/FatLib/StdioStream.cpp
+++ b/src/FatLib/StdioStream.cpp
@@ -1,21 +1,26 @@
-/* Arduino RamDisk Library
- * Copyright (C) 2014 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino RamDisk Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino RamDisk Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #include "StdioStream.h"
 #include "FmtNumber.h"
diff --git a/src/FatLib/StdioStream.h b/src/FatLib/StdioStream.h
index 8909abd6..6d903e7b 100644
--- a/src/FatLib/StdioStream.h
+++ b/src/FatLib/StdioStream.h
@@ -1,21 +1,26 @@
-/* Arduino RamDisk Library
- * Copyright (C) 2014 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino RamDisk Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino RamDisk Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef StdioStream_h
 #define StdioStream_h
diff --git a/src/FatLib/bufstream.h b/src/FatLib/bufstream.h
index 8b49701b..b189d30a 100644
--- a/src/FatLib/bufstream.h
+++ b/src/FatLib/bufstream.h
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef bufstream_h
 #define bufstream_h
diff --git a/src/FatLib/fstream.cpp b/src/FatLib/fstream.cpp
index 505f0836..55053f53 100644
--- a/src/FatLib/fstream.cpp
+++ b/src/FatLib/fstream.cpp
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #include "fstream.h"
 //==============================================================================
diff --git a/src/FatLib/fstream.h b/src/FatLib/fstream.h
index 5410c385..cfd76c6d 100644
--- a/src/FatLib/fstream.h
+++ b/src/FatLib/fstream.h
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef fstream_h
 #define fstream_h
diff --git a/src/FatLib/ios.h b/src/FatLib/ios.h
index d89d96c4..14451d8f 100644
--- a/src/FatLib/ios.h
+++ b/src/FatLib/ios.h
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef ios_h
 #define ios_h
diff --git a/src/FatLib/iostream.h b/src/FatLib/iostream.h
index deeae6e3..e09b52c9 100644
--- a/src/FatLib/iostream.h
+++ b/src/FatLib/iostream.h
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef iostream_h
 #define iostream_h
diff --git a/src/FatLib/istream.cpp b/src/FatLib/istream.cpp
index 94850997..8393ba05 100644
--- a/src/FatLib/istream.cpp
+++ b/src/FatLib/istream.cpp
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 //  #include <ctype.h>
 #include <float.h>
diff --git a/src/FatLib/istream.h b/src/FatLib/istream.h
index 4075507a..d0162f46 100644
--- a/src/FatLib/istream.h
+++ b/src/FatLib/istream.h
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef istream_h
 #define istream_h
diff --git a/src/FatLib/ostream.cpp b/src/FatLib/ostream.cpp
index 230cda4a..cac95488 100644
--- a/src/FatLib/ostream.cpp
+++ b/src/FatLib/ostream.cpp
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #include <string.h>
 #include "ostream.h"
diff --git a/src/FatLib/ostream.h b/src/FatLib/ostream.h
index e7c9163e..84e1db55 100644
--- a/src/FatLib/ostream.h
+++ b/src/FatLib/ostream.h
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef ostream_h
 #define ostream_h
diff --git a/src/FreeStack.h b/src/FreeStack.h
index 9a61bc88..1f563e78 100644
--- a/src/FreeStack.h
+++ b/src/FreeStack.h
@@ -1,21 +1,26 @@
-/* Arduino SdFat Library
- * Copyright (C) 2015 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
+ *
+ * MIT License
  *
- * This file is part of the Arduino SdFat Library
+ * 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:
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
-
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdFat Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef FreeStack_h
 #define FreeStack_h
diff --git a/src/MinimumSerial.cpp b/src/MinimumSerial.cpp
index 12f51379..42d00733 100644
--- a/src/MinimumSerial.cpp
+++ b/src/MinimumSerial.cpp
@@ -1,21 +1,26 @@
-/* Arduino SdFat Library
- * Copyright (C) 2012 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino SdFat Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdFat Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #include "SysCall.h"
 #if defined(UDR0) || defined(DOXYGEN)
diff --git a/src/MinimumSerial.h b/src/MinimumSerial.h
index 61b2f041..5a700b89 100644
--- a/src/MinimumSerial.h
+++ b/src/MinimumSerial.h
@@ -1,21 +1,26 @@
-/* Arduino SdFat Library
- * Copyright (C) 2012 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino SdFat Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdFat Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
  /**
  * \file
diff --git a/src/SdCard/SdInfo.h b/src/SdCard/SdInfo.h
index 5bc68953..86798141 100644
--- a/src/SdCard/SdInfo.h
+++ b/src/SdCard/SdInfo.h
@@ -1,21 +1,26 @@
-/* Arduino SdCard Library
- * Copyright (C) 2016 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino SdSpiCard Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdSpiCard Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef SdInfo_h
 #define SdInfo_h
diff --git a/src/SdCard/SdSpiCard.cpp b/src/SdCard/SdSpiCard.cpp
index 7fce0401..f41e738f 100644
--- a/src/SdCard/SdSpiCard.cpp
+++ b/src/SdCard/SdSpiCard.cpp
@@ -1,21 +1,26 @@
-/* Arduino SdCard Library
- * Copyright (C) 2016 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino SdSpiCard Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdSpiCard Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #include "SdSpiCard.h"
 // debug trace macro
diff --git a/src/SdCard/SdSpiCard.h b/src/SdCard/SdSpiCard.h
index 45599031..4c2fa08d 100644
--- a/src/SdCard/SdSpiCard.h
+++ b/src/SdCard/SdSpiCard.h
@@ -1,21 +1,26 @@
-/* Arduino SdCard Library
- * Copyright (C) 2016 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino SdSpiCard Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdSpiCard Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef SdSpiCard_h
 #define SdSpiCard_h
diff --git a/src/SdCard/SdSpiCardEX.cpp b/src/SdCard/SdSpiCardEX.cpp
index a3a56003..c276ca51 100644
--- a/src/SdCard/SdSpiCardEX.cpp
+++ b/src/SdCard/SdSpiCardEX.cpp
@@ -1,21 +1,26 @@
-/* Arduino SdFat Library
- * Copyright (C) 2016 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino SdFat Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdFat Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #include "SdSpiCard.h"
 bool SdSpiCardEX::readBlock(uint32_t block, uint8_t* dst) {
diff --git a/src/SdCard/SdioCard.h b/src/SdCard/SdioCard.h
index 2135326a..188b0f76 100644
--- a/src/SdCard/SdioCard.h
+++ b/src/SdCard/SdioCard.h
@@ -1,21 +1,26 @@
-/* Arduino SdCard Library
- * Copyright (C) 2016 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino SdSpiCard Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdSpiCard Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef SdioCard_h
 #define SdioCard_h
diff --git a/src/SdCard/SdioCardEX.cpp b/src/SdCard/SdioCardEX.cpp
index 07267bdf..edbed2b8 100644
--- a/src/SdCard/SdioCardEX.cpp
+++ b/src/SdCard/SdioCardEX.cpp
@@ -1,21 +1,26 @@
-/* Arduino SdFat Library
- * Copyright (C) 2016 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino SdFat Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdFat Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #include "SdioCard.h"
 
diff --git a/src/SdCard/SdioTeensy.cpp b/src/SdCard/SdioTeensy.cpp
index 91bd6e3c..95ce779c 100644
--- a/src/SdCard/SdioTeensy.cpp
+++ b/src/SdCard/SdioTeensy.cpp
@@ -1,21 +1,26 @@
-/* Arduino SdCard Library
- * Copyright (C) 2016 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino SdSpiCard Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdSpiCard Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #if defined(__MK64FX512__) || defined(__MK66FX1M0__)
 #include "SdioCard.h"
diff --git a/src/SdFat.h b/src/SdFat.h
index bf069528..00969cfb 100644
--- a/src/SdFat.h
+++ b/src/SdFat.h
@@ -1,21 +1,26 @@
-/* Arduino SdFat Library
- * Copyright (C) 2016 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino SdFat Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdFat Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef SdFat_h
 #define SdFat_h
diff --git a/src/SdFatConfig.h b/src/SdFatConfig.h
index 41df1b59..de3a0029 100644
--- a/src/SdFatConfig.h
+++ b/src/SdFatConfig.h
@@ -1,21 +1,26 @@
-/* Arduino SdFat Library
- * Copyright (C) 2012 by William Greiman
- *
- * This file is part of the Arduino SdFat Library
- *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdFat Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
+ *
+ * MIT License
+ *
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 /**
  * \file
@@ -62,7 +67,7 @@
  * If the symbol USE_STANDARD_SPI_LIBRARY is nonzero, the classes SdFat and
  * SdFatEX use the standard Arduino SPI.h library. If USE_STANDARD_SPI_LIBRARY
  * is zero, an optimized custom SPI driver is used if it exists.
- */ 
+ */
 #define USE_STANDARD_SPI_LIBRARY 0
 //-----------------------------------------------------------------------------
 /**
@@ -72,7 +77,7 @@
  */
 #define ENABLE_SOFTWARE_SPI_CLASS 0
 //------------------------------------------------------------------------------
-/** 
+/**
  * Set MAINTAIN_FREE_CLUSTER_COUNT nonzero to keep the count of free clusters
  * updated.  This will increase the speed of the freeClusterCount() call
  * after the first call.  Extra flash will be required.
diff --git a/src/SpiDriver/DigitalPin.h b/src/SpiDriver/DigitalPin.h
index d44bb575..83f3d26b 100644
--- a/src/SpiDriver/DigitalPin.h
+++ b/src/SpiDriver/DigitalPin.h
@@ -1,21 +1,26 @@
-/* Arduino DigitalIO Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino DigitalIO Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino DigitalIO Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 /**
  * @file
diff --git a/src/SpiDriver/SdSpiBaseDriver.h b/src/SpiDriver/SdSpiBaseDriver.h
index cf356712..02ba6045 100644
--- a/src/SpiDriver/SdSpiBaseDriver.h
+++ b/src/SpiDriver/SdSpiBaseDriver.h
@@ -1,21 +1,26 @@
-/* Arduino SdCard Library
- * Copyright (C) 2016 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino SdSpiCard Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdSpiCard Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef SdSpiBaseDriver_h
 #define SdSpiBaseDriver_h
diff --git a/src/SpiDriver/SdSpiDriver.h b/src/SpiDriver/SdSpiDriver.h
index a5b5d939..2181980f 100644
--- a/src/SpiDriver/SdSpiDriver.h
+++ b/src/SpiDriver/SdSpiDriver.h
@@ -1,21 +1,26 @@
-/* SdFat Library
- * Copyright (C) 2016 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 /**
  * \file
diff --git a/src/SpiDriver/SdSpiESP8266.cpp b/src/SpiDriver/SdSpiESP8266.cpp
index 52e5b707..b70867bc 100644
--- a/src/SpiDriver/SdSpiESP8266.cpp
+++ b/src/SpiDriver/SdSpiESP8266.cpp
@@ -1,23 +1,26 @@
-/* Arduino SdSpiAltDriver Library
- * Copyright (C) 2016 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * STM32F1 code for Maple and Maple Mini support, 2015 by Victor Perez
+ * MIT License
  *
- * This file is part of the Arduino SdSpiAltDriver Library
+ * 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:
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdSpiAltDriver Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #if defined(ESP8266)
 #include "SdSpiDriver.h"
diff --git a/src/SpiDriver/SdSpiSAM3X.cpp b/src/SpiDriver/SdSpiSAM3X.cpp
index 942d72af..c8d79d93 100644
--- a/src/SpiDriver/SdSpiSAM3X.cpp
+++ b/src/SpiDriver/SdSpiSAM3X.cpp
@@ -1,21 +1,26 @@
-/* Arduino SdSpiAltDriver Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino SdSpiAltDriver Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdSpiAltDriver Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #include "SdSpiDriver.h"
 #if defined(__SAM3X8E__) || defined(__SAM3X8H__)
diff --git a/src/SpiDriver/SdSpiSTM32.cpp b/src/SpiDriver/SdSpiSTM32.cpp
index 60d742cc..b7f6d6bf 100644
--- a/src/SpiDriver/SdSpiSTM32.cpp
+++ b/src/SpiDriver/SdSpiSTM32.cpp
@@ -1,21 +1,26 @@
-/* Arduino SdSpiAltDriver Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino SdSpiAltDriver Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdSpiAltDriver Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #if defined(__STM32F1__) || defined(__STM32F4__)
 #include "SdSpiDriver.h"
diff --git a/src/SpiDriver/SdSpiTeensy3.cpp b/src/SpiDriver/SdSpiTeensy3.cpp
index a07fedab..8e13d6ab 100644
--- a/src/SpiDriver/SdSpiTeensy3.cpp
+++ b/src/SpiDriver/SdSpiTeensy3.cpp
@@ -1,21 +1,26 @@
-/* Arduino SdSpiAltDriver Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino SdSpiAltDriver Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino SdSpiAltDriver Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #include "SdSpiDriver.h"
 #if defined(__arm__) && defined(CORE_TEENSY)
diff --git a/src/SpiDriver/SoftSPI.h b/src/SpiDriver/SoftSPI.h
index 822932f6..28ffca81 100644
--- a/src/SpiDriver/SoftSPI.h
+++ b/src/SpiDriver/SoftSPI.h
@@ -1,21 +1,26 @@
-/* Arduino DigitalIO Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the Arduino DigitalIO Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the Arduino DigitalIO Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 /**
  * @file 
diff --git a/src/SysCall.h b/src/SysCall.h
index 9c2c0101..02af4c0c 100644
--- a/src/SysCall.h
+++ b/src/SysCall.h
@@ -1,21 +1,26 @@
-/* FatLib Library
- * Copyright (C) 2013 by William Greiman
+/**
+ * Copyright (c) 20011-2017 Bill Greiman
+ * This file is part of the SdFat library for SD memory cards.
  *
- * This file is part of the FatLib Library
+ * MIT License
  *
- * This Library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * 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:
  *
- * This Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with the FatLib Library.  If not, see
- * <http://www.gnu.org/licenses/>.
+ * 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 THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 #ifndef SysCall_h
 #define SysCall_h