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annotate packages/hal/sh/sh4/current/include/sh4_scif.h @ 2729:74dbf4c3f2e1 after-copyright-change-20090129

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Update all copyright banners to reflect FSF ownership; fix and improve licence text.
author jlarmour
date Thu, 29 Jan 2009 17:47:46 +0000
parents 5268028c09c4
children
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1 //=============================================================================
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2 //
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3 // sh4_scif.h
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4 //
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5 // Simple driver for the sh4 Serial Communication Interface with FIFO
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6 //
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7 //=============================================================================
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8 // ####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later
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16 // version.
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17 //
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT
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19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 // for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License
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24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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26 //
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27 // As a special exception, if other files instantiate templates or use
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28 // macros or inline functions from this file, or you compile this file
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29 // and link it with other works to produce a work based on this file,
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30 // this file does not by itself cause the resulting work to be covered by
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31 // the GNU General Public License. However the source code for this file
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32 // must still be made available in accordance with section (3) of the GNU
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33 // General Public License v2.
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34 //
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35 // This exception does not invalidate any other reasons why a work based
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36 // on this file might be covered by the GNU General Public License.
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37 // -------------------------------------------
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38 // ####ECOSGPLCOPYRIGHTEND####
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39 //=============================================================================
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40 //#####DESCRIPTIONBEGIN####
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41 //
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42 // Author(s): jskov
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43 // Contributors:Haruki Kashiwaya
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44 // Date: 2000-08-09
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45 // Description: Simple driver for the SH Serial Communication Interface
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46 // The driver can be used for the SCIF modules.
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47 // Clients of this file can configure the behavior with:
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48 // CYGNUM_SCIF_PORTS: number of SCI ports
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49 //
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50 //####DESCRIPTIONEND####
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51 //
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52 //=============================================================================
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53
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54 #include <pkgconf/hal.h>
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55
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56 #ifdef CYGNUM_HAL_SH_SH4_SCIF_PORTS
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57
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58 //--------------------------------------------------------------------------
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59 // Exported functions
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60
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61 externC cyg_uint8 cyg_hal_plf_scif_getc(void* __ch_data);
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62 externC void cyg_hal_plf_scif_putc(void* __ch_data, cyg_uint8 c);
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63 void cyg_hal_plf_scif_init(int scif_index, int comm_index,
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64 int rcv_vect, cyg_uint8* base);
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65
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66 #ifdef CYGPRI_HAL_SH_SH4_SCIF_PRIVATE
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67
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68 //--------------------------------------------------------------------------
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69 // SCIF register offsets
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70 #define _REG_SCSMR 0x00
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71 #define _REG_SCBRR 0x04
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72 #define _REG_SCSCR 0x08
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73 #define _REG_SCFTDR 0x0c
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74 #define _REG_SCFSR 0x10
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75 #define _REG_SCFRDR 0x14
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76 #define _REG_SCFCR 0x18
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77 #define _REG_SCFDR 0x1c
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78 #define _REG_SCSPTR 0x20
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79 #define _REG_SCLSR 0x24
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80
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81 //--------------------------------------------------------------------------
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82
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83 typedef struct {
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84 cyg_uint8* base;
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85 cyg_int32 msec_timeout;
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86 int isr_vector;
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87 cyg_uint32 baud_rate;
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88 } channel_data_t;
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89
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90 //--------------------------------------------------------------------------
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91
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92 #if !defined(CYGSEM_HAL_VIRTUAL_VECTOR_DIAG)
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93 // This one should only be used by old-stub compatibility code!
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94 externC void cyg_hal_plf_scif_init_channel(channel_data_t* chan);
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95 #warning "You should not be using anything but vv diag"
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96 #endif
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97
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98 #endif // CYGPRI_HAL_SH_SH4_SCIF_PRIVATE
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99
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100 #endif // CYGNUM_HAL_SH_SH4_SCIF_PORTS
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101 //-----------------------------------------------------------------------------
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102 // end of sh4_scif.h