151 lines
4.4 KiB
C
151 lines
4.4 KiB
C
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/**
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* \file
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* <!--
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* This file is part of BeRTOS.
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*
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* Bertos is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* As a special exception, you may use this file as part of a free software
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* library without restriction. Specifically, if other files instantiate
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* templates or use macros or inline functions from this file, or you compile
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* this file and link it with other files to produce an executable, this
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* file does not by itself cause the resulting executable to be covered by
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* the GNU General Public License. This exception does not however
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* invalidate any other reasons why the executable file might be covered by
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* the GNU General Public License.
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*
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* Copyright 2003,2004 Develer S.r.l. (http://www.develer.com/)
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* Copyright 2000 Bernie Innocenti <bernie@codewiz.org>
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* -->
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*
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* \brief Simple serial I/O driver
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*
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* \author Bernie Innocenti <bernie@codewiz.org>
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* \author Francesco Sacchi <batt@develer.com>
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*/
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#ifndef DRV_SER_SIMPLE_AVR_H
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#define DRV_SER_SIMPLE_AVR_H
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#warning FIXME:This module is obsolete, yuo must refactor it.
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#if 0
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/* For checking which serial driver is linked */
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#define SER_SIMPLE
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#include <appconfig.h>
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#include <cfg/compiler.h>
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#if 0
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#if CPU_AVR
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typedef uint8_t serstatus_t;
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/* Software errors */
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#define SERRF_RXFIFOOVERRUN BV(0) /**< Rx FIFO buffer overrun */
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#define SERRF_RXTIMEOUT BV(5) /**< Receive timeout */
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#define SERRF_TXTIMEOUT BV(6) /**< Transmit timeout */
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/* Hardware errors */
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#define SERRF_RXSROVERRUN BV(3) /**< Rx shift register overrun */
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#define SERRF_FRAMEERROR BV(4) /**< Stop bit missing */
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#define SERRF_PARITYERROR BV(7) /**< Parity error */
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#else
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#error unknown architecture
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#endif
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/*\}*/
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/**
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* \name Serial hw numbers
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*
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* \{
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*/
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enum
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{
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#if CPU_AVR_ATMEGA64 || CPU_AVR_ATMEGA128
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SER_UART0,
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SER_UART1,
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SER_SPI,
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#elif CPU_AVR_ATMEGA103 || CPU_AVR_ATMEGA8
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SER_UART0,
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SER_SPI,
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#else
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#error unknown architecture
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#endif
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SER_CNT /**< Number of serial ports */
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};
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/*\}*/
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#endif
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/** \name Parity settings for ser_setparity() */
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/*\{*/
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#define SER_PARITY_NONE 0
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#define SER_PARITY_EVEN 2
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#define SER_PARITY_ODD 3
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/*\}*/
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/** Serial handle structure */
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struct Serial;
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/* Function prototypes */
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extern int _ser_putchar(int c);
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extern int _ser_getchar(void);
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extern int _ser_getchar_nowait(void);
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/*
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extern int ser_write(struct Serial *port, const void *buf, size_t len);
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extern int ser_read(struct Serial *port, void *buf, size_t size);
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extern int ser_printf(struct Serial *port, const char *format, ...) FORMAT(__printf__, 2, 3);
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extern int ser_gets(struct Serial *port, char *buf, int size);
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extern int ser_gets_echo(struct Serial *port, char *buf, int size, bool echo);
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*/
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extern int _ser_print(const char *s);
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extern void _ser_setbaudrate(unsigned long rate);
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extern void _ser_setparity(int parity);
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extern void _ser_settimeouts(void);
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extern void _ser_setstatus(void);
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/*
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extern void ser_resync(struct Serial *port, time_t delay);
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extern void ser_drain(struct Serial *port);
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*/
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extern void _ser_purge(void);
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extern struct Serial *_ser_open(void);
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extern void _ser_close(void);
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/**
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* \name Functions implemented as macros
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*
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* \{
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*/
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#define ser_putchar(c, port) _ser_putchar(c)
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#define ser_getchar(port) _ser_getchar()
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#define ser_getchar_nowait(port) _ser_getchar_nowait()
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#define ser_print(port, s) _ser_print(s)
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#define ser_setbaudrate(port, y) _ser_setbaudrate(y)
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#define ser_setparity(port, par) _ser_setparity(par)
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#define ser_settimeouts(port, y, z) _ser_settimeouts()
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#define ser_purge(port) _ser_purge()
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#define ser_open(port) _ser_open()
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#define ser_getstatus(h) 0
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#define ser_setstatus(h, x) do {(void)(x);} while(0)
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/* \} */
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#endif /* DRV_SER_SIMPLE_AVR_H */
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#endif
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