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skrzyp |
//==========================================================================
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//
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// io/serial/common/haldiag.c
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//
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// Serial I/O interface module using HAL I/O routines
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//
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//==========================================================================
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// ####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later
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// version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// 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 eCos; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// As a special exception, if other files instantiate templates or use
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// macros or inline functions from this file, or you compile this file
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// and link it with other works to produce a work based on this file,
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// this file does not by itself cause the resulting work to be covered by
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// the GNU General Public License. However the source code for this file
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// must still be made available in accordance with section (3) of the GNU
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// General Public License v2.
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//
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// This exception does not invalidate any other reasons why a work based
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// on this file might be covered by the GNU General Public License.
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// -------------------------------------------
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// ####ECOSGPLCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): gthomas
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// Contributors: gthomas
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// Date: 1999-02-04
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// Purpose: HAL/diag serial driver
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// Description:
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//
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//####DESCRIPTIONEND####
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//
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//==========================================================================
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#include <pkgconf/io.h>
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#include <pkgconf/io_serial.h>
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#ifdef CYGPKG_IO_SERIAL_HALDIAG
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#include <cyg/io/io.h>
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#include <cyg/io/devtab.h>
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#include <cyg/io/serial.h>
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#include <cyg/infra/diag.h>
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#include <cyg/hal/hal_diag.h>
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static bool haldiag_init(struct cyg_devtab_entry *tab);
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static bool haldiag_putc(serial_channel *chan, unsigned char c);
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static unsigned char haldiag_getc(serial_channel *chan);
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static Cyg_ErrNo haldiag_set_config(serial_channel *chan, cyg_uint32 key,
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const void *xbuf, cyg_uint32 *len);
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static SERIAL_FUNS(haldiag_funs,
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haldiag_putc,
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haldiag_getc,
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haldiag_set_config,
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0, // start xmit - not used
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);
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static int _no_data;
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static SERIAL_CHANNEL(haldiag_channel0,
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haldiag_funs,
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_no_data,
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CYG_SERIAL_BAUD_DEFAULT,
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CYG_SERIAL_STOP_DEFAULT,
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CYG_SERIAL_PARITY_DEFAULT,
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CYG_SERIAL_WORD_LENGTH_DEFAULT,
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CYG_SERIAL_FLAGS_DEFAULT
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);
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DEVTAB_ENTRY(haldiag_io0,
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"/dev/haldiag",
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0, // Does not depend on a lower level interface
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&cyg_io_serial_devio,
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haldiag_init,
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0, // No initialization/lookup needed
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&haldiag_channel0);
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static void
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haldiag_config_port(serial_channel *chan)
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{
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}
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static bool
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haldiag_init(struct cyg_devtab_entry *tab)
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{
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serial_channel *chan = (serial_channel *)tab->priv;
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#ifdef CYGDBG_IO_INIT
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diag_printf("HAL/diag SERIAL init\n");
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#endif
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haldiag_config_port(chan);
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return true;
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}
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// Return 'true' if character is sent to device
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static bool
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haldiag_putc(serial_channel *chan, unsigned char c)
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{
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HAL_DIAG_WRITE_CHAR(c);
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return true;
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}
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static unsigned char
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haldiag_getc(serial_channel *chan)
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{
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char c;
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HAL_DIAG_READ_CHAR(c);
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return (unsigned char)c;
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}
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static Cyg_ErrNo
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haldiag_set_config(serial_channel *chan, cyg_uint32 key, const void *xbuf,
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cyg_uint32 *len)
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{
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switch (key) {
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case CYG_IO_SET_CONFIG_SERIAL_INFO:
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diag_printf("%s\n", __FUNCTION__);
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return ENOERR;
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default:
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return -EINVAL;
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}
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}
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#endif // CYGPKG_IO_SERIAL_HALDIAG
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