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annotate packages/io/serial/current/include/serialio.h @ 76:435cced73e2f ecos-v1_3_1-release

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eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
author jlarmour
date Tue, 28 Mar 2000 14:10:45 +0000
parents bf00f99aec69
children 6512add4f5d6
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1 #ifndef CYGONCE_SERIALIO_H
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2 #define CYGONCE_SERIALIO_H
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3 // ====================================================================
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4 //
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5 // serialio.h
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6 //
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7 // Device I/O
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8 //
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9 // ====================================================================
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10 //####COPYRIGHTBEGIN####
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11 //
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12 // -------------------------------------------
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13 // The contents of this file are subject to the Red Hat eCos Public License
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14 // Version 1.1 (the "License"); you may not use this file except in
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15 // compliance with the License. You may obtain a copy of the License at
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16 // http://www.redhat.com/
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17 //
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18 // Software distributed under the License is distributed on an "AS IS"
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19 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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20 // License for the specific language governing rights and limitations under
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21 // the License.
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22 //
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23 // The Original Code is eCos - Embedded Configurable Operating System,
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24 // released September 30, 1998.
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25 //
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26 // The Initial Developer of the Original Code is Red Hat.
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27 // Portions created by Red Hat are
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28 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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29 // All Rights Reserved.
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30 // -------------------------------------------
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31 //
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32 //####COPYRIGHTEND####
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33 // ====================================================================
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34 //#####DESCRIPTIONBEGIN####
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35 //
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36 // Author(s): gthomas
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37 // Contributors: gthomas
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38 // Date: 1999-02-04
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39 // Purpose: Special support for serial I/O devices
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40 // Description:
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41 //
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42 //####DESCRIPTIONEND####
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43 //
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44 // ====================================================================
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45
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46 // This file contains the user-level visible I/O interfaces
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47
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48 #include <pkgconf/hal.h>
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49 #include <cyg/infra/cyg_type.h>
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50 #include <cyg/io/config_keys.h>
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51
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52 #ifdef __cplusplus
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53 extern "C" {
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54 #endif
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55
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56 // Supported baud rates
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57 typedef enum {
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58 CYGNUM_SERIAL_BAUD_50 = 1,
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59 CYGNUM_SERIAL_BAUD_75,
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60 CYGNUM_SERIAL_BAUD_110,
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61 CYGNUM_SERIAL_BAUD_134_5,
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62 CYGNUM_SERIAL_BAUD_150,
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63 CYGNUM_SERIAL_BAUD_200,
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64 CYGNUM_SERIAL_BAUD_300,
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65 CYGNUM_SERIAL_BAUD_600,
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66 CYGNUM_SERIAL_BAUD_1200,
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67 CYGNUM_SERIAL_BAUD_1800,
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68 CYGNUM_SERIAL_BAUD_2400,
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69 CYGNUM_SERIAL_BAUD_3600,
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70 CYGNUM_SERIAL_BAUD_4800,
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71 CYGNUM_SERIAL_BAUD_7200,
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72 CYGNUM_SERIAL_BAUD_9600,
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73 CYGNUM_SERIAL_BAUD_14400,
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74 CYGNUM_SERIAL_BAUD_19200,
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75 CYGNUM_SERIAL_BAUD_38400,
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76 CYGNUM_SERIAL_BAUD_57600,
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77 CYGNUM_SERIAL_BAUD_115200,
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78 CYGNUM_SERIAL_BAUD_230400
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79 } cyg_serial_baud_rate_t;
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80 #define CYGNUM_SERIAL_BAUD_MIN CYGNUM_SERIAL_BAUD_50
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81 #define CYGNUM_SERIAL_BAUD_MAX CYGNUM_SERIAL_BAUD_230400
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82
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83 // Note: two levels of macro are required to get proper expansion.
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84 #define _CYG_SERIAL_BAUD_RATE(n) CYGNUM_SERIAL_BAUD_##n
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85 #define CYG_SERIAL_BAUD_RATE(n) _CYG_SERIAL_BAUD_RATE(n)
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86
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87 // Stop bit selections
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88 typedef enum {
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89 CYGNUM_SERIAL_STOP_1 = 1,
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90 CYGNUM_SERIAL_STOP_1_5,
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91 CYGNUM_SERIAL_STOP_2
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92 } cyg_serial_stop_bits_t;
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93
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94 // Parity modes
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95 typedef enum {
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96 CYGNUM_SERIAL_PARITY_NONE = 0,
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97 CYGNUM_SERIAL_PARITY_EVEN,
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98 CYGNUM_SERIAL_PARITY_ODD,
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99 CYGNUM_SERIAL_PARITY_MARK,
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100 CYGNUM_SERIAL_PARITY_SPACE
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101 } cyg_serial_parity_t;
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102
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103 // Word length
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104 typedef enum {
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105 CYGNUM_SERIAL_WORD_LENGTH_5 = 5,
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106 CYGNUM_SERIAL_WORD_LENGTH_6,
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107 CYGNUM_SERIAL_WORD_LENGTH_7,
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108 CYGNUM_SERIAL_WORD_LENGTH_8
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109 } cyg_serial_word_length_t;
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110
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111 typedef struct {
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112 cyg_serial_baud_rate_t baud;
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113 cyg_serial_stop_bits_t stop;
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114 cyg_serial_parity_t parity;
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115 cyg_serial_word_length_t word_length;
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116 cyg_uint32 flags;
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117 } cyg_serial_info_t;
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118
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119 #define CYG_SERIAL_INFO_INIT(_baud,_stop,_parity,_word_length,_flags) \
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120 { _baud, _stop, _parity, _word_length, _flags}
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121
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122 // Control flags
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123 #define CYG_SERIAL_FLAGS_RTSCTS 0x0001
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124
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125 // Default configuration
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126 #define CYG_SERIAL_BAUD_DEFAULT CYGNUM_SERIAL_BAUD_38400
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127 #define CYG_SERIAL_STOP_DEFAULT CYGNUM_SERIAL_STOP_1
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128 #define CYG_SERIAL_PARITY_DEFAULT CYGNUM_SERIAL_PARITY_NONE
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129 #define CYG_SERIAL_WORD_LENGTH_DEFAULT CYGNUM_SERIAL_WORD_LENGTH_8
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130 #define CYG_SERIAL_FLAGS_DEFAULT 0
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131
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132 #ifdef __cplusplus
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133 }
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134 #endif
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135
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136 #endif /* CYGONCE_SERIALIO_H */
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137 /* EOF serialio.h */