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annotate packages/io/serial/current/src/common/haldiag.c @ 1777:c16341b1bac6 default tip

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* Added execute permissions to files missed in conversion from CVS
author alexs
date Mon, 12 Oct 2009 02:26:09 +0100
parents d2c90368aeef
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1 //==========================================================================
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2 //
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3 // io/serial/common/haldiag.c
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4 //
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5 // Serial I/O interface module using HAL I/O routines
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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 Red Hat, 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 version.
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16 //
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17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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20 // for more details.
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21 //
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22 // You should have received a copy of the GNU General Public License along
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23 // with eCos; if not, write to the Free Software Foundation, Inc.,
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24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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25 //
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26 // As a special exception, if other files instantiate templates or use macros
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27 // or inline functions from this file, or you compile this file and link it
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28 // with other works to produce a work based on this file, this file does not
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29 // by itself cause the resulting work to be covered by the GNU General Public
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30 // License. However the source code for this file must still be made available
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31 // in accordance with section (3) of the GNU General Public License.
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32 //
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33 // This exception does not invalidate any other reasons why a work based on
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34 // this file might be covered by the GNU General Public License.
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35 //
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36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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37 // at http://sources.redhat.com/ecos/ecos-license/
208
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38 // -------------------------------------------
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39 //####ECOSGPLCOPYRIGHTEND####
2
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40 //==========================================================================
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41 //#####DESCRIPTIONBEGIN####
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42 //
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43 // Author(s): gthomas
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44 // Contributors: gthomas
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45 // Date: 1999-02-04
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46 // Purpose: HAL/diag serial driver
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47 // Description:
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48 //
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49 //####DESCRIPTIONEND####
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50 //
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51 //==========================================================================
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52
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53 #include <pkgconf/io.h>
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54 #include <pkgconf/io_serial.h>
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55 #ifdef CYGPKG_IO_SERIAL_HALDIAG
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56 #include <cyg/io/io.h>
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57 #include <cyg/io/devtab.h>
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58 #include <cyg/io/serial.h>
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59 #include <cyg/infra/diag.h>
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60 #include <cyg/hal/hal_diag.h>
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61
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62 static bool haldiag_init(struct cyg_devtab_entry *tab);
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63 static bool haldiag_putc(serial_channel *chan, unsigned char c);
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64 static unsigned char haldiag_getc(serial_channel *chan);
115
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65 static Cyg_ErrNo haldiag_set_config(serial_channel *chan, cyg_uint32 key,
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66 const void *xbuf, cyg_uint32 *len);
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67
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68 static SERIAL_FUNS(haldiag_funs,
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69 haldiag_putc,
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70 haldiag_getc,
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71 haldiag_set_config,
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72 0, // start xmit - not used
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73 0 // stop xmit - not used
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74 );
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75
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76 static int _no_data;
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77 static SERIAL_CHANNEL(haldiag_channel0,
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78 haldiag_funs,
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79 _no_data,
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80 CYG_SERIAL_BAUD_DEFAULT,
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81 CYG_SERIAL_STOP_DEFAULT,
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82 CYG_SERIAL_PARITY_DEFAULT,
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83 CYG_SERIAL_WORD_LENGTH_DEFAULT,
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84 CYG_SERIAL_FLAGS_DEFAULT
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85 );
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86 DEVTAB_ENTRY(haldiag_io0,
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87 "/dev/haldiag",
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88 0, // Does not depend on a lower level interface
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89 &cyg_io_serial_devio,
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90 haldiag_init,
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91 0, // No initialization/lookup needed
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92 &haldiag_channel0);
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93
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94 static void
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95 haldiag_config_port(serial_channel *chan)
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96 {
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97 }
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98
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99 static bool
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100 haldiag_init(struct cyg_devtab_entry *tab)
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101 {
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102 serial_channel *chan = (serial_channel *)tab->priv;
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103 #ifdef CYGDBG_IO_INIT
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104 diag_printf("HAL/diag SERIAL init\n");
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105 #endif
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106 haldiag_config_port(chan);
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107 return true;
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108 }
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109
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110 // Return 'true' if character is sent to device
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111 static bool
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112 haldiag_putc(serial_channel *chan, unsigned char c)
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113 {
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114 HAL_DIAG_WRITE_CHAR(c);
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115 return true;
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116 }
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117
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118 static unsigned char
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119 haldiag_getc(serial_channel *chan)
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120 {
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121 unsigned char c;
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122 HAL_DIAG_READ_CHAR(c);
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123 return c;
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124 }
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125
115
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126 static Cyg_ErrNo
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127 haldiag_set_config(serial_channel *chan, cyg_uint32 key, const void *xbuf,
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128 cyg_uint32 *len)
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129 {
115
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130 switch (key) {
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131 case CYG_IO_SET_CONFIG_SERIAL_INFO:
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132 diag_printf("%s\n", __FUNCTION__);
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133 return ENOERR;
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134 default:
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135 return -EINVAL;
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136 }
2
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137 }
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138 #endif // CYGPKG_IO_SERIAL_HALDIAG