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skrzyp |
//=============================================================================
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//
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// sh3_sci.h
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//
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// Simple driver for the SH Serial Communication Interface (SCI)
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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): jskov
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// Contributors:jskov
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// Date: 1999-05-17
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//
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//####DESCRIPTIONEND####
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//
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//=============================================================================
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#include <pkgconf/hal.h>
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#ifdef CYGNUM_HAL_SH_SH3_SCI_PORTS
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//--------------------------------------------------------------------------
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// Exported functions
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externC cyg_uint8 cyg_hal_plf_sci_getc(void* __ch_data);
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externC void cyg_hal_plf_sci_putc(void* __ch_data, cyg_uint8 c);
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externC void cyg_hal_plf_sci_init(int sci_index, int comm_index,
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int rcv_vect, cyg_uint8* base);
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#ifdef CYGPRI_HAL_SH_SH3_SCI_PRIVATE
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//--------------------------------------------------------------------------
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// SCI register offsets
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#if (CYGARC_SH_MOD_SCI >= 2)
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# define _REG_SCSPTR -0x4 // serial port register
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#endif
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#define _REG_SCSMR 0x0 // serial mode register
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#define _REG_SCBRR 0x2 // bit rate register
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#define _REG_SCSCR 0x4 // serial control register
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#define _REG_SCTDR 0x6 // transmit data register
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#define _REG_SCSSR 0x8 // serial status register
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#define _REG_SCRDR 0xa // receive data register
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//--------------------------------------------------------------------------
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typedef struct {
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cyg_uint8* base;
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cyg_int32 msec_timeout;
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int isr_vector;
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} channel_data_t;
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//--------------------------------------------------------------------------
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#if !defined(CYGSEM_HAL_VIRTUAL_VECTOR_DIAG)
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// This one should only be used by old-stub compatibility code!
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externC void cyg_hal_plf_sci_init_channel(channel_data_t* chan);
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#warning "You should not be using anything but vv diag"
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#endif
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#endif // CYGPRI_HAL_SH_SH3_SCI_PRIVATE
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#endif // CYGNUM_HAL_SH_SH3_SCI_PORTS
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//-----------------------------------------------------------------------------
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// end of sh3_sci.h
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