sh2_scif.h

来自「eCos操作系统源码」· C头文件 代码 · 共 107 行

//=============================================================================
//
//      sh2_scif.h
//
//      Simple driver for the SH2 Serial Communication Interface with FIFO
//
//=============================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
//
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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// You should have received a copy of the GNU General Public License along
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//
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// or inline functions from this file, or you compile this file and link it
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//####ECOSGPLCOPYRIGHTEND####
//=============================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):   jskov
// Contributors:jskov
// Date:        2000-03-30
// Description: Simple driver for the SH Serial Communication Interface
//              Clients of this file can configure the behavior with:
//              CYGNUM_SCIF_PORTS: number of SCI ports
//
//####DESCRIPTIONEND####
//
//=============================================================================

#include <pkgconf/hal.h>

#ifdef CYGNUM_HAL_SH_SH2_SCIF_PORTS

//--------------------------------------------------------------------------
// Exported functions

externC cyg_uint8 cyg_hal_plf_scif_getc(void* __ch_data);
externC void cyg_hal_plf_scif_putc(void* __ch_data, cyg_uint8 c);
void cyg_hal_plf_scif_init(int scif_index, int comm_index, 
                           int rcv_vect, cyg_uint8* base, bool irda_mode);


#ifdef CYGHWR_HAL_SH_SH2_SCIF_ASYNC_RXTX
externC void cyg_hal_plf_scif_sync_rxtx(int scif_index, bool async_rxtx_mode);
#endif

#ifdef CYGPRI_HAL_SH_SH2_SCIF_PRIVATE

//--------------------------------------------------------------------------
// SCIF register offsets
#define _REG_SCSMR  0x00
#define _REG_SCBRR  0x02
#define _REG_SCSCR  0x04
#define _REG_SCFTDR 0x06
#define _REG_SC1SSR 0x08
#define _REG_SCSSR  _REG_SC1SSR
#define _REG_SC2SSR 0x0a
#define _REG_SCFRDR 0x0c
#define _REG_SCFCR  0x0e
#define _REG_SCFDR  0x10
#define _REG_SCFER  0x12
#define _REG_SCIMR  0x14

//--------------------------------------------------------------------------

typedef struct {
    cyg_uint8* base;
    cyg_int32 msec_timeout;
    int isr_vector;
    bool irda_mode;
#ifdef CYGHWR_HAL_SH_SH2_SCIF_ASYNC_RXTX
    bool async_rxtx_mode;
#endif
} channel_data_t;

//--------------------------------------------------------------------------

#endif // CYGPRI_HAL_SH_SH2_SCIF_PRIVATE

#endif // CYGNUM_HAL_SH_SH2_SCIF_PORTS
//-----------------------------------------------------------------------------
// end of sh2_scif.h