annotate packages/io/serial/current/src/common/haldiag.c @ 66:bf00f99aec69 ecos-sw-2000-02-02

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author jlarmour
date Wed, 02 Feb 2000 19:57:02 +0000
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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 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
2
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30 //####COPYRIGHTEND####
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31 //==========================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s): gthomas
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35 // Contributors: gthomas
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36 // Date: 1999-02-04
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37 // Purpose: HAL/diag serial driver
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38 // Description:
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39 //
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40 //####DESCRIPTIONEND####
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41 //
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42 //==========================================================================
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43
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44 #include <pkgconf/io.h>
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45 #include <pkgconf/io_serial.h>
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46 #ifdef CYGPKG_IO_SERIAL_HALDIAG
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47 #include <cyg/io/io.h>
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48 #include <cyg/io/devtab.h>
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49 #include <cyg/io/serial.h>
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50 #include <cyg/infra/diag.h>
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51 #include <cyg/hal/hal_diag.h>
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52
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53 static bool haldiag_init(struct cyg_devtab_entry *tab);
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54 static bool haldiag_putc(serial_channel *chan, unsigned char c);
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55 static unsigned char haldiag_getc(serial_channel *chan);
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56 static bool haldiag_set_config(serial_channel *chan, cyg_serial_info_t *config);
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57
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58 static SERIAL_FUNS(haldiag_funs,
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59 haldiag_putc,
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60 haldiag_getc,
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61 haldiag_set_config,
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62 0, // start xmit - not used
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63 0 // stop xmit - not used
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64 );
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65
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66 static int _no_data;
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67 static SERIAL_CHANNEL(haldiag_channel0,
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68 haldiag_funs,
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69 _no_data,
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70 CYG_SERIAL_BAUD_DEFAULT,
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71 CYG_SERIAL_STOP_DEFAULT,
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72 CYG_SERIAL_PARITY_DEFAULT,
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73 CYG_SERIAL_WORD_LENGTH_DEFAULT,
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74 CYG_SERIAL_FLAGS_DEFAULT
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75 );
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76 DEVTAB_ENTRY(haldiag_io0,
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77 "/dev/haldiag",
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78 0, // Does not depend on a lower level interface
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79 &cyg_io_serial_devio,
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80 haldiag_init,
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81 0, // No initialization/lookup needed
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82 &haldiag_channel0);
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83
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84 static void
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85 haldiag_config_port(serial_channel *chan)
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86 {
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87 }
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88
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89 static bool
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90 haldiag_init(struct cyg_devtab_entry *tab)
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91 {
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92 serial_channel *chan = (serial_channel *)tab->priv;
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93 #ifdef CYGDBG_IO_INIT
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94 diag_printf("HAL/diag SERIAL init\n");
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95 #endif
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96 haldiag_config_port(chan);
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97 return true;
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98 }
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99
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100 // Return 'true' if character is sent to device
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101 static bool
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102 haldiag_putc(serial_channel *chan, unsigned char c)
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103 {
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104 HAL_DIAG_WRITE_CHAR(c);
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105 return true;
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106 }
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107
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108 static unsigned char
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109 haldiag_getc(serial_channel *chan)
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110 {
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111 unsigned char c;
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112 HAL_DIAG_READ_CHAR(c);
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113 return c;
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114 }
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115
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116 static bool
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117 haldiag_set_config(serial_channel *chan, cyg_serial_info_t *config)
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118 {
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119 diag_printf("%s\n", __FUNCTION__);
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120 return true;
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121 }
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122 #endif // CYGPKG_IO_SERIAL_HALDIAG