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trunk/Arduino/libraries/SdFat/src/MinimumSerial.h

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+/**
+ * Copyright (c) 2011-2022 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
+ * \brief Minimal AVR Serial driver.
+ */
+#ifndef MinimumSerial_h
+#define MinimumSerial_h
+#include "common/SysCall.h"
+//==============================================================================
+/**
+ * \class MinimumSerial
+ * \brief mini serial class for the %SdFat library.
+ */
+class MinimumSerial : public print_t {
+ public:
+  /** \return true for hardware serial */
+  operator bool() {return true;}
+  /**
+   * \return one if data is available.
+   */
+  int available();
+  /**
+   * Set baud rate for serial port zero and enable in non interrupt mode.
+   * Do not call this function if you use another serial library.
+   * \param[in] baud rate
+   */
+  void begin(uint32_t baud);
+  /** Wait for write done. */
+  void flush();
+  /**
+   *  Unbuffered read
+   *  \return -1 if no character is available or an available character.
+   */
+  int read();
+  /**
+   * Unbuffered write
+   *
+   * \param[in] b byte to write.
+   * \return 1
+   */
+  size_t write(uint8_t b);
+  using print_t::write;
+};
+#endif  // MinimumSerial_h