/* LUFA Library Copyright (C) Dean Camera, 2009. dean [at] fourwalledcubicle [dot] com www.fourwalledcubicle.com */ /* Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com) Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that the copyright notice and this permission notice and warranty disclaimer appear in supporting documentation, and that the name of the author not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. The author disclaim all warranties with regard to this software, including all implied warranties of merchantability and fitness. In no event shall the author be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortious action, arising out of or in connection with the use or performance of this software. */ /** \file * * Serial stream driver for the USART subsystem on supported USB AVRs. This makes use of the functions in the * regular USART driver, but allows the avr-libc standard stream functions (printf, puts, etc.) to work with the * USART. **/ #ifndef __SERIAL_STREAM_H__ #define __SERIAL_STREAM_H__ /* Includes: */ #include #include #include "Serial.h" /* Enable C linkage for C++ Compilers: */ #if defined(__cplusplus) extern "C" { #endif /* Private Interface - For use in library only: */ #if !defined(__DOXYGEN__) /* External Variables: */ extern FILE USARTStream; /* Function Prototypes: */ int SerialStream_TxByte(char DataByte, FILE *Stream) ATTR_NON_NULL_PTR_ARG(2); int SerialStream_RxByte(FILE *Stream) ATTR_NON_NULL_PTR_ARG(1); #endif /* Public Interface - May be used in end-application: */ /* Inline Functions: */ /** Initializes the serial stream (and regular USART driver) so that both the stream and regular * USART driver functions can be used. Must be called before any stream or regular USART functions. * * \param BaudRate Baud rate to configure the USART to * \param DoubleSpeed Enables double speed mode when set, halving the sample time to double the baud rate */ static inline void SerialStream_Init(const uint32_t BaudRate, const bool DoubleSpeed) { Serial_Init(BaudRate, DoubleSpeed); stdout = &USARTStream; } /* Disable C linkage for C++ Compilers: */ #if defined(__cplusplus) } #endif #endif