+++ /dev/null
-/**
- * \file
- * <!--
- * This file is part of BeRTOS.
- *
- * Bertos 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 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * As a special exception, you may use this file as part of a free software
- * library without restriction. Specifically, if other files instantiate
- * templates or use macros or inline functions from this file, or you compile
- * this file and link it with other files to produce an executable, this
- * file does not by itself cause the resulting executable to be covered by
- * the GNU General Public License. This exception does not however
- * invalidate any other reasons why the executable file might be covered by
- * the GNU General Public License.
- *
- * Copyright 2003,2004 Develer S.r.l. (http://www.develer.com/)
- * Copyright 2000 Bernardo Innocenti <bernie@codewiz.org>
- *
- * -->
- *
- * \brief High level serial I/O API
- *
- * \version $Id$
- * \author Bernardo Innocenti <bernie@develer.com>
- */
-
-#ifndef DRV_SER_H
-#define DRV_SER_H
-
-#include <kern/kfile.h>
-#include <mware/fifobuf.h>
-#include <cfg/compiler.h>
-
-#if OS_HOSTED
- #include <cfg/macros.h> /* BV() */
-
- typedef uint16_t serstatus_t;
-
- /* Software errors */
- #define SERRF_RXFIFOOVERRUN BV(0) /**< Rx FIFO buffer overrun */
- #define SERRF_RXTIMEOUT BV(1) /**< Receive timeout */
- #define SERRF_TXTIMEOUT BV(2) /**< Transmit timeout */
-
- /* Hardware errors */
- #define SERRF_RXSROVERRUN 0 /**< Unsupported in emulated serial port. */
- #define SERRF_FRAMEERROR 0 /**< Unsupported in emulated serial port. */
- #define SERRF_PARITYERROR 0 /**< Unsupported in emulated serial port. */
- #define SERRF_NOISEERROR 0 /**< Unsupported in emulated serial port. */
-
- enum
- {
- SER_UART0,
- SER_UART1,
-
- SER_CNT /**< Number of serial ports */
- };
-
-#else
- #include CPU_HEADER(ser)
-#endif
-
-#include <appconfig.h>
-
-
-
-/**
- * \name Masks to group TX/RX errors.
- * \{
- */
-#define SERRF_RX \
- ( SERRF_RXFIFOOVERRUN \
- | SERRF_RXTIMEOUT \
- | SERRF_RXSROVERRUN \
- | SERRF_PARITYERROR \
- | SERRF_FRAMEERROR \
- | SERRF_NOISEERROR)
-#define SERRF_TX (SERRF_TXTIMEOUT)
-/*\}*/
-
-/**
- * \name LSB or MSB first data order for SPI driver.
- * \{
- */
-#define SER_MSB_FIRST 0
-#define SER_LSB_FIRST 1
-/*\}*/
-
-/**
- * \name Parity settings for ser_setparity().
- *
- * \note Values are AVR-specific for performance reasons.
- * Other processors should either decode them or
- * redefine these macros.
- * \{
- */
-#define SER_PARITY_NONE 0
-#define SER_PARITY_EVEN 2
-#define SER_PARITY_ODD 3
-/*\}*/
-
-
-struct SerialHardware;
-
-/** Human-readable serial error descriptions */
-extern const char * const serial_errors[8];
-
-/** Serial handle structure */
-typedef struct Serial
-{
- /** Physical port number */
- unsigned int unit;
-
-#ifdef _DEBUG
- bool is_open;
-#endif
-
- /**
- * \name Transmit and receive FIFOs.
- *
- * Declared volatile because handled asinchronously by interrupts.
- *
- * \{
- */
- FIFOBuffer txfifo;
- FIFOBuffer rxfifo;
- /* \} */
-
-#if CONFIG_SER_RXTIMEOUT != -1
- ticks_t rxtimeout;
-#endif
-#if CONFIG_SER_TXTIMEOUT != -1
- ticks_t txtimeout;
-#endif
-
- /** Holds the flags defined above. Will be 0 when no errors have occurred. */
- volatile serstatus_t status;
-
- /** Low-level interface to hardware. */
- struct SerialHardware* hw;
-} Serial;
-
-typedef struct KFileSerial
-{
- KFile fd;
- Serial *ser;
-} KFileSerial;
-
-/**
- * ID for serial.
- */
-#define KFT_SERIAL MAKE_ID('S', 'E', 'R', 'L')
-
-
-INLINE KFileSerial * KFILESERIAL(KFile *fd)
-{
- ASSERT(fd->_type == KFT_SERIAL);
- return (KFileSerial *)fd;
-}
-
-/* Function prototypes */
-//extern int ser_getchar_nowait(struct Serial *port);
-
-void ser_setbaudrate(struct KFileSerial *fd, unsigned long rate);
-void ser_setparity(struct KFileSerial *fd, int parity);
-void ser_settimeouts(struct KFileSerial *fd, mtime_t rxtimeout, mtime_t txtimeout);
-void ser_resync(struct KFileSerial *fd, mtime_t delay);
-int ser_getchar_nowait(struct KFileSerial *fd);
-
-void ser_purgeRx(struct KFileSerial *fd);
-void ser_purgeTx(struct KFileSerial *fd);
-void ser_purge(struct KFileSerial *fd);
-void ser_init(struct KFileSerial *fds, unsigned int unit);
-void spimaster_init(KFileSerial *fds, unsigned int unit);
-
-
-/**
- * \name Additional functions implemented as macros
- *
- * \{
- */
-#define ser_getstatus(h) ((h)->status)
-#define ser_setstatus(h, x) ((h)->status = (x))
-/* \} */
-
-#endif /* DRV_SER_H */
projects / bertos.git / blobdiff