/* 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 * . */ /** * \file * \brief Minimal AVR Serial driver. */ #ifndef MinimumSerial_h #define MinimumSerial_h #include "SysCall.h" //============================================================================== /** * \class MinimumSerial * \brief mini serial class for the %SdFat library. */ class MinimumSerial : public Print { 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::write; }; #endif // MinimumSerial_h