From 74298f8ca11dc8d3b0359d1d4e124d6494c3eeac Mon Sep 17 00:00:00 2001 From: Nicolas Schodet Date: Fri, 10 Apr 2009 01:15:42 +0200 Subject: * digital/avr/modules/usb: - imported LUFA. --- .../lufa/LUFA/Drivers/AT90USBXXX/Serial_Stream.h | 82 ++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 digital/avr/modules/usb/lufa/LUFA/Drivers/AT90USBXXX/Serial_Stream.h (limited to 'digital/avr/modules/usb/lufa/LUFA/Drivers/AT90USBXXX/Serial_Stream.h') diff --git a/digital/avr/modules/usb/lufa/LUFA/Drivers/AT90USBXXX/Serial_Stream.h b/digital/avr/modules/usb/lufa/LUFA/Drivers/AT90USBXXX/Serial_Stream.h new file mode 100644 index 00000000..adde5b95 --- /dev/null +++ b/digital/avr/modules/usb/lufa/LUFA/Drivers/AT90USBXXX/Serial_Stream.h @@ -0,0 +1,82 @@ +/* + 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 -- cgit v1.2.3