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63 lines
1.8 KiB
C++

/* 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/>.
*/
/**
* \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