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/*
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LUFA Library
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Copyright (C) Dean Camera, 2010.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2010 David Prentice (david.prentice [at] farming [dot] uk)
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Copyright 2010 Peter Danneger
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Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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#ifndef _SOFT_UART_
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#define _SOFT_UART_
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/* Includes: */
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#include <stdbool.h>
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/* Macros: */
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#define BAUD 9600
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#define BIT_TIME (uint16_t)((F_CPU + (BAUD / 2)) / BAUD)
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#define SRX PD0
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#define SRXPIN PIND
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#define SRXPORT PORTD
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#define STX PD1
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#define STXPORT PORTD
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#define STXDDR DDRD
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/* External Variables: */
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extern volatile bool srx_done;
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extern volatile uint8_t stx_count;
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/* Inline Functions: */
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static inline bool SoftUART_IsReady(void)
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{
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return !(stx_count);
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}
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static inline bool SoftUART_IsReceived(void)
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{
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return srx_done;
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}
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/* Function Prototypes: */
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void SoftUART_TxByte(uint8_t c);
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uint8_t SoftUART_RxByte(void);
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void SoftUART_Init(void);
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#endif
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