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//=============================================================================
//
//      h8_sci.h
//
//      Simple driver for the H8/300H Serial Communication Interface (SCI)
//
//=============================================================================
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// -------------------------------------------                              
// This file is part of eCos, the Embedded Configurable Operating System.   
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
//
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// version.                                                                 
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// for more details.                                                        
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// You should have received a copy of the GNU General Public License        
// along with eCos; if not, write to the Free Software Foundation, Inc.,    
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//
// As a special exception, if other files instantiate templates or use      
// macros or inline functions from this file, or you compile this file      
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// General Public License v2.                                               
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//=============================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):   jskov
// Contributors:jskov
// Date:        1999-05-17
//
//####DESCRIPTIONEND####
//
//=============================================================================
 
#include <pkgconf/hal.h>
 
//--------------------------------------------------------------------------
// Exported functions
 
externC void cyg_hal_plf_sci_init_channel(void* __ch_data);
externC cyg_uint8 cyg_hal_plf_sci_getc(void* __ch_data);
externC void cyg_hal_plf_sci_putc(void* __ch_data, cyg_uint8 c);
externC void cyg_hal_plf_sci_init(int sci_index, int comm_index, 
                                  int rcv_vect, cyg_uint8* base);
 
//--------------------------------------------------------------------------
// SCI register offsets
#define _REG_SCSMR                0x0 // serial mode register
#define _REG_SCBRR                0x1 // bit rate register
#define _REG_SCSCR                0x2 // serial control register
#define _REG_SCTDR                0x3 // transmit data register
#define _REG_SCSSR                0x4 // serial status register
#define _REG_SCRDR                0x5 // receive data register
 
//--------------------------------------------------------------------------
 
typedef struct {
    cyg_uint8* base;
    cyg_int32 msec_timeout;
    int isr_vector;
} channel_data_t;
 
//--------------------------------------------------------------------------
// end of h8_sci.h