1 | //roardmx.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009-2013 |
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5 | * |
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6 | * This file is part of libroardsp a part of RoarAudio, |
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7 | * a cross-platform sound system for both, home and professional use. |
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8 | * See README for details. |
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9 | * |
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10 | * This file is free software; you can redistribute it and/or modify |
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11 | * it under the terms of the GNU General Public License version 3 |
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12 | * as published by the Free Software Foundation. |
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13 | * |
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14 | * libroardsp is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with this software; see the file COPYING. If not, write to |
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21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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22 | * Boston, MA 02110-1301, USA. |
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23 | * |
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24 | */ |
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25 | |
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26 | #include "libroarlight.h" |
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27 | |
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28 | // base(ic) check |
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29 | #define BCHK(x) if ( (x) == NULL ) { roar_err_set(ROAR_ERROR_FAULT); return -1; } |
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30 | |
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31 | // database access: |
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32 | static const struct { |
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33 | const int id; |
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34 | const char * const name; |
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35 | } __eventnames[] = { |
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36 | //$ grep '^#define ROAR_ROARDMX_EVENT_' roardmx.h | cut -d ' ' -f2 | while read line; do name=`echo $line | cut -d_ -f4 | tr A-Z a-z`; for suffix in beat off on hold; do printf " {%-56s \"%s\"},\n" "$line|ROAR_ROARDMX_ETYPE_`tr a-z A-Z <<<$suffix`," $name-$suffix; done; printf " {%-56s \"%s\"},\n" $line, $name; done |
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37 | {ROAR_ROARDMX_EVENT_NONE|ROAR_ROARDMX_ETYPE_BEAT, "none-beat"}, |
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38 | {ROAR_ROARDMX_EVENT_NONE|ROAR_ROARDMX_ETYPE_OFF, "none-off"}, |
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39 | {ROAR_ROARDMX_EVENT_NONE|ROAR_ROARDMX_ETYPE_ON, "none-on"}, |
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40 | {ROAR_ROARDMX_EVENT_NONE|ROAR_ROARDMX_ETYPE_HOLD, "none-hold"}, |
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41 | {ROAR_ROARDMX_EVENT_NONE, "none"}, |
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42 | {ROAR_ROARDMX_EVENT_STEP|ROAR_ROARDMX_ETYPE_BEAT, "step-beat"}, |
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43 | {ROAR_ROARDMX_EVENT_STEP|ROAR_ROARDMX_ETYPE_OFF, "step-off"}, |
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44 | {ROAR_ROARDMX_EVENT_STEP|ROAR_ROARDMX_ETYPE_ON, "step-on"}, |
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45 | {ROAR_ROARDMX_EVENT_STEP|ROAR_ROARDMX_ETYPE_HOLD, "step-hold"}, |
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46 | {ROAR_ROARDMX_EVENT_STEP, "step"}, |
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47 | {ROAR_ROARDMX_EVENT_TAP|ROAR_ROARDMX_ETYPE_BEAT, "tap-beat"}, |
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48 | {ROAR_ROARDMX_EVENT_TAP|ROAR_ROARDMX_ETYPE_OFF, "tap-off"}, |
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49 | {ROAR_ROARDMX_EVENT_TAP|ROAR_ROARDMX_ETYPE_ON, "tap-on"}, |
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50 | {ROAR_ROARDMX_EVENT_TAP|ROAR_ROARDMX_ETYPE_HOLD, "tap-hold"}, |
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51 | {ROAR_ROARDMX_EVENT_TAP, "tap"}, |
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52 | {ROAR_ROARDMX_EVENT_BEAT|ROAR_ROARDMX_ETYPE_BEAT, "beat-beat"}, |
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53 | {ROAR_ROARDMX_EVENT_BEAT|ROAR_ROARDMX_ETYPE_OFF, "beat-off"}, |
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54 | {ROAR_ROARDMX_EVENT_BEAT|ROAR_ROARDMX_ETYPE_ON, "beat-on"}, |
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55 | {ROAR_ROARDMX_EVENT_BEAT|ROAR_ROARDMX_ETYPE_HOLD, "beat-hold"}, |
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56 | {ROAR_ROARDMX_EVENT_BEAT, "beat"}, |
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57 | {ROAR_ROARDMX_EVENT_BLACKOUT|ROAR_ROARDMX_ETYPE_BEAT, "blackout-beat"}, |
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58 | {ROAR_ROARDMX_EVENT_BLACKOUT|ROAR_ROARDMX_ETYPE_OFF, "blackout-off"}, |
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59 | {ROAR_ROARDMX_EVENT_BLACKOUT|ROAR_ROARDMX_ETYPE_ON, "blackout-on"}, |
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60 | {ROAR_ROARDMX_EVENT_BLACKOUT|ROAR_ROARDMX_ETYPE_HOLD, "blackout-hold"}, |
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61 | {ROAR_ROARDMX_EVENT_BLACKOUT, "blackout"}, |
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62 | {ROAR_ROARDMX_EVENT_FULLON|ROAR_ROARDMX_ETYPE_BEAT, "fullon-beat"}, |
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63 | {ROAR_ROARDMX_EVENT_FULLON|ROAR_ROARDMX_ETYPE_OFF, "fullon-off"}, |
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64 | {ROAR_ROARDMX_EVENT_FULLON|ROAR_ROARDMX_ETYPE_ON, "fullon-on"}, |
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65 | {ROAR_ROARDMX_EVENT_FULLON|ROAR_ROARDMX_ETYPE_HOLD, "fullon-hold"}, |
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66 | {ROAR_ROARDMX_EVENT_FULLON, "fullon"}, |
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67 | {ROAR_ROARDMX_EVENT_FLASH|ROAR_ROARDMX_ETYPE_BEAT, "flash-beat"}, |
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68 | {ROAR_ROARDMX_EVENT_FLASH|ROAR_ROARDMX_ETYPE_OFF, "flash-off"}, |
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69 | {ROAR_ROARDMX_EVENT_FLASH|ROAR_ROARDMX_ETYPE_ON, "flash-on"}, |
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70 | {ROAR_ROARDMX_EVENT_FLASH|ROAR_ROARDMX_ETYPE_HOLD, "flash-hold"}, |
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71 | {ROAR_ROARDMX_EVENT_FLASH, "flash"}, |
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72 | {ROAR_ROARDMX_EVENT_STROBE|ROAR_ROARDMX_ETYPE_BEAT, "strobe-beat"}, |
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73 | {ROAR_ROARDMX_EVENT_STROBE|ROAR_ROARDMX_ETYPE_OFF, "strobe-off"}, |
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74 | {ROAR_ROARDMX_EVENT_STROBE|ROAR_ROARDMX_ETYPE_ON, "strobe-on"}, |
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75 | {ROAR_ROARDMX_EVENT_STROBE|ROAR_ROARDMX_ETYPE_HOLD, "strobe-hold"}, |
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76 | {ROAR_ROARDMX_EVENT_STROBE, "strobe"}, |
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77 | {ROAR_ROARDMX_EVENT_STROBEREADY|ROAR_ROARDMX_ETYPE_BEAT, "strobeready-beat"}, |
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78 | {ROAR_ROARDMX_EVENT_STROBEREADY|ROAR_ROARDMX_ETYPE_OFF, "strobeready-off"}, |
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79 | {ROAR_ROARDMX_EVENT_STROBEREADY|ROAR_ROARDMX_ETYPE_ON, "strobeready-on"}, |
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80 | {ROAR_ROARDMX_EVENT_STROBEREADY|ROAR_ROARDMX_ETYPE_HOLD, "strobeready-hold"}, |
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81 | {ROAR_ROARDMX_EVENT_STROBEREADY, "strobeready"}, |
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82 | {ROAR_ROARDMX_EVENT_STROBELOAD|ROAR_ROARDMX_ETYPE_BEAT, "strobeload-beat"}, |
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83 | {ROAR_ROARDMX_EVENT_STROBELOAD|ROAR_ROARDMX_ETYPE_OFF, "strobeload-off"}, |
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84 | {ROAR_ROARDMX_EVENT_STROBELOAD|ROAR_ROARDMX_ETYPE_ON, "strobeload-on"}, |
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85 | {ROAR_ROARDMX_EVENT_STROBELOAD|ROAR_ROARDMX_ETYPE_HOLD, "strobeload-hold"}, |
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86 | {ROAR_ROARDMX_EVENT_STROBELOAD, "strobeload"}, |
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87 | {ROAR_ROARDMX_EVENT_FOG|ROAR_ROARDMX_ETYPE_BEAT, "fog-beat"}, |
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88 | {ROAR_ROARDMX_EVENT_FOG|ROAR_ROARDMX_ETYPE_OFF, "fog-off"}, |
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89 | {ROAR_ROARDMX_EVENT_FOG|ROAR_ROARDMX_ETYPE_ON, "fog-on"}, |
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90 | {ROAR_ROARDMX_EVENT_FOG|ROAR_ROARDMX_ETYPE_HOLD, "fog-hold"}, |
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91 | {ROAR_ROARDMX_EVENT_FOG, "fog"}, |
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92 | {ROAR_ROARDMX_EVENT_FOGREADY|ROAR_ROARDMX_ETYPE_BEAT, "fogready-beat"}, |
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93 | {ROAR_ROARDMX_EVENT_FOGREADY|ROAR_ROARDMX_ETYPE_OFF, "fogready-off"}, |
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94 | {ROAR_ROARDMX_EVENT_FOGREADY|ROAR_ROARDMX_ETYPE_ON, "fogready-on"}, |
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95 | {ROAR_ROARDMX_EVENT_FOGREADY|ROAR_ROARDMX_ETYPE_HOLD, "fogready-hold"}, |
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96 | {ROAR_ROARDMX_EVENT_FOGREADY, "fogready"}, |
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97 | {ROAR_ROARDMX_EVENT_FOGHEAT|ROAR_ROARDMX_ETYPE_BEAT, "fogheat-beat"}, |
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98 | {ROAR_ROARDMX_EVENT_FOGHEAT|ROAR_ROARDMX_ETYPE_OFF, "fogheat-off"}, |
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99 | {ROAR_ROARDMX_EVENT_FOGHEAT|ROAR_ROARDMX_ETYPE_ON, "fogheat-on"}, |
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100 | {ROAR_ROARDMX_EVENT_FOGHEAT|ROAR_ROARDMX_ETYPE_HOLD, "fogheat-hold"}, |
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101 | {ROAR_ROARDMX_EVENT_FOGHEAT, "fogheat"} |
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102 | }; |
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103 | |
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104 | int roar_roardmx_str2event(const char * event) { |
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105 | size_t i; |
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106 | |
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107 | if ( event == NULL ) { |
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108 | roar_err_set(ROAR_ERROR_FAULT); |
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109 | return -1; |
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110 | } |
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111 | |
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112 | for (i = 0; i < (sizeof(__eventnames)/sizeof(*__eventnames)); i++) |
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113 | if ( !strcasecmp(event, __eventnames[i].name) ) |
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114 | return __eventnames[i].id; |
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115 | |
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116 | roar_err_set(ROAR_ERROR_NOENT); |
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117 | return -1; |
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118 | } |
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119 | |
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120 | const char * roar_roardmx_event2str(const int event) { |
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121 | size_t i; |
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122 | |
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123 | for (i = 0; i < (sizeof(__eventnames)/sizeof(*__eventnames)); i++) |
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124 | if ( __eventnames[i].id == event ) |
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125 | return __eventnames[i].name; |
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126 | |
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127 | roar_err_set(ROAR_ERROR_NOENT); |
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128 | return NULL; |
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129 | } |
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130 | |
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131 | // generic things: |
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132 | int roar_roardmx_message_new (struct roar_roardmx_message * mes) { |
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133 | BCHK(mes); |
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134 | |
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135 | memset(mes, 0, sizeof(struct roar_roardmx_message)); |
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136 | |
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137 | mes->version = ROAR_ROARDMX_VERSION; |
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138 | |
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139 | return 0; |
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140 | } |
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141 | |
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142 | // low level: |
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143 | //int roar_roardmx_message_set_flag(struct roar_roardmx_message * mes, unsigned char flag); |
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144 | //int roar_roardmx_message_set_len (struct roar_roardmx_message * mes, size_t type); |
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145 | //int roar_roardmx_message_get_data(struct roar_roardmx_message * mes, unsigned char ** data); |
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146 | |
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147 | // medium level: |
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148 | int roar_roardmx_message_set_type(struct roar_roardmx_message * mes, unsigned char type) { |
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149 | BCHK(mes); |
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150 | |
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151 | // check if type contains non-type bits. |
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152 | if ( (type | ROAR_ROARDMX_MASK_TYPE) - ROAR_ROARDMX_MASK_TYPE ) { |
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153 | roar_err_set(ROAR_ERROR_INVAL); |
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154 | return -1; |
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155 | } |
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156 | |
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157 | mes->type = type; |
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158 | |
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159 | return 0; |
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160 | } |
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161 | |
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162 | int roar_roardmx_message_get_flag(struct roar_roardmx_message * mes, unsigned char * flag) { |
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163 | BCHK(mes); |
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164 | |
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165 | *flag = mes->flags; |
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166 | |
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167 | return 0; |
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168 | } |
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169 | |
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170 | int roar_roardmx_message_get_type(struct roar_roardmx_message * mes, unsigned char * type) { |
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171 | BCHK(mes); |
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172 | |
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173 | *type = mes->type; |
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174 | |
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175 | return 0; |
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176 | } |
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177 | |
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178 | int roar_roardmx_message_get_len (struct roar_roardmx_message * mes, size_t * length) { |
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179 | BCHK(mes); |
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180 | |
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181 | *length = mes->length; |
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182 | |
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183 | return 0; |
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184 | } |
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185 | |
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186 | |
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187 | // IO: |
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188 | int roar_roardmx_message_send(struct roar_roardmx_message * mes, struct roar_vio_calls * vio) { |
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189 | BCHK(mes); |
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190 | BCHK(vio); |
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191 | |
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192 | if ( mes->length > ROAR_ROARDMX_DATA_LENGTH ) { // this is very fatal! |
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193 | roar_panic(ROAR_FATAL_ERROR_MEMORY_CORRUPTION, NULL); |
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194 | roar_err_set(ROAR_ERROR_FAULT); |
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195 | return -1; |
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196 | } |
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197 | |
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198 | mes->data[0] = mes->version; |
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199 | mes->data[1] = (mes->flags & ROAR_ROARDMX_MASK_FLAGS) | |
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200 | (mes->type & ROAR_ROARDMX_MASK_TYPE ) ; |
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201 | |
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202 | mes->data[2] = mes->length; |
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203 | |
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204 | return roar_vio_write(vio, mes->data, mes->length + 3) == (ssize_t)(mes->length + 3) ? 0 : -1; |
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205 | } |
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206 | |
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207 | int roar_roardmx_message_recv(struct roar_roardmx_message * mes, struct roar_vio_calls * vio) { |
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208 | BCHK(mes); |
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209 | BCHK(vio); |
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210 | |
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211 | if ( roar_roardmx_message_new(mes) == -1 ) |
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212 | return -1; |
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213 | |
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214 | if ( roar_vio_read(vio, mes->data, 3) != 3 ) |
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215 | return -1; |
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216 | |
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217 | mes->version = mes->data[0]; |
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218 | |
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219 | if ( mes->version != ROAR_ROARDMX_VERSION ) { |
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220 | roar_err_set(ROAR_ERROR_NSVERSION); |
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221 | return -1; |
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222 | } |
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223 | |
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224 | mes->flags = mes->data[1] & ROAR_ROARDMX_MASK_FLAGS; |
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225 | mes->type = mes->data[1] & ROAR_ROARDMX_MASK_TYPE; |
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226 | |
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227 | mes->length = mes->data[2]; |
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228 | |
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229 | if ( roar_vio_read(vio, &(mes->data[3]), mes->length) != (ssize_t)mes->length ) |
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230 | return -1; |
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231 | |
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232 | return 0; |
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233 | } |
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234 | |
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235 | // Data/high level: |
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236 | // * *: |
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237 | int roar_roardmx_message_add_chanval(struct roar_roardmx_message * mes, uint16_t channel, unsigned char val) { |
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238 | register uint16_t * chan; |
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239 | |
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240 | BCHK(mes); |
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241 | |
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242 | switch (mes->type) { |
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243 | case ROAR_ROARDMX_TYPE_SSET: |
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244 | case ROAR_ROARDMX_TYPE_INC8S: |
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245 | break; |
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246 | default: |
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247 | roar_err_set(ROAR_ERROR_TYPEMM); |
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248 | return -1; |
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249 | break; |
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250 | } |
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251 | |
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252 | if ( (mes->length + 3) > ROAR_ROARDMX_DATA_LENGTH ) { // message would be to long |
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253 | roar_err_set(ROAR_ERROR_NOSPC); |
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254 | return -1; |
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255 | } |
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256 | |
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257 | chan = (uint16_t *) &(mes->data[mes->length + 3]); |
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258 | |
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259 | *chan = ROAR_HOST2NET16(channel); |
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260 | |
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261 | mes->data[mes->length + 2 + 3] = val; |
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262 | |
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263 | mes->length += 3; |
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264 | |
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265 | return 0; |
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266 | } |
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267 | |
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268 | int roar_roardmx_message_get_chanval(struct roar_roardmx_message * mes, uint16_t * channel, unsigned char * val, int index) { |
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269 | register uint16_t * chan; |
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270 | |
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271 | BCHK(mes); |
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272 | |
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273 | if ( index < 0 ) { |
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274 | roar_err_set(ROAR_ERROR_INVAL); |
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275 | return -1; |
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276 | } |
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277 | |
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278 | if ( mes->version != ROAR_ROARDMX_VERSION ) { |
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279 | roar_err_set(ROAR_ERROR_NSVERSION); |
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280 | return -1; |
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281 | } |
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282 | |
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283 | switch (mes->type) { |
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284 | case ROAR_ROARDMX_TYPE_SSET: |
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285 | case ROAR_ROARDMX_TYPE_INC8S: |
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286 | if ( index >= (ROAR_ROARDMX_DATA_LENGTH/3) ) |
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287 | return -1; |
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288 | |
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289 | *val = mes->data[3 * index + 2 + 3]; |
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290 | chan = (uint16_t *) &(mes->data[3 + 3 * index]); |
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291 | *channel = ROAR_NET2HOST16(*chan); |
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292 | return 0; |
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293 | break; |
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294 | } |
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295 | |
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296 | roar_err_set(ROAR_ERROR_NSTYPE); |
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297 | return -1; |
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298 | } |
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299 | |
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300 | int roar_roardmx_message_numchannels(struct roar_roardmx_message * mes) { |
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301 | BCHK(mes); |
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302 | |
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303 | if ( mes->version != ROAR_ROARDMX_VERSION ) { |
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304 | roar_err_set(ROAR_ERROR_NSVERSION); |
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305 | return -1; |
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306 | } |
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307 | |
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308 | switch (mes->type) { |
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309 | case ROAR_ROARDMX_TYPE_SSET: |
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310 | case ROAR_ROARDMX_TYPE_INC8S: |
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311 | return mes->length / 3; |
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312 | break; |
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313 | case ROAR_ROARDMX_TYPE_IPO1: |
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314 | return mes->length / 6; |
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315 | break; |
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316 | case ROAR_ROARDMX_TYPE_IPO4: |
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317 | return mes->length / 12; |
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318 | break; |
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319 | case ROAR_ROARDMX_TYPE_RANGESET: |
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320 | return mes->length / 5; |
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321 | break; |
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322 | case ROAR_ROARDMX_TYPE_EVENT: |
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323 | case ROAR_ROARDMX_TYPE_CONTROL: |
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324 | return 0; |
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325 | break; |
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326 | } |
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327 | |
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328 | roar_err_set(ROAR_ERROR_NSTYPE); |
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329 | return -1; |
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330 | } |
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331 | |
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332 | // * SSET: |
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333 | int roar_roardmx_message_new_sset (struct roar_roardmx_message * mes) { |
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334 | BCHK(mes); |
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335 | |
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336 | if ( roar_roardmx_message_new(mes) == -1 ) |
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337 | return -1; |
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338 | |
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339 | mes->type = ROAR_ROARDMX_TYPE_SSET; |
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340 | |
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341 | return 0; |
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342 | } |
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343 | |
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344 | // * IPO1: |
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345 | // Not yet supported. |
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346 | // * IPO4: |
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347 | // Not yet supported. |
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348 | // * INC8S: |
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349 | // Not yet supported. |
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350 | // * RANGESET: |
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351 | // Not yet supported. |
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352 | // * EVENT: |
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353 | int roar_roardmx_message_new_event(struct roar_roardmx_message * mes) { |
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354 | BCHK(mes); |
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355 | |
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356 | if ( roar_roardmx_message_new(mes) == -1 ) |
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357 | return -1; |
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358 | |
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359 | mes->type = ROAR_ROARDMX_TYPE_EVENT; |
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360 | |
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361 | return 0; |
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362 | } |
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363 | |
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364 | int roar_roardmx_message_add_events(struct roar_roardmx_message * mes, const uint8_t * events, size_t len) { |
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365 | BCHK(mes); |
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366 | |
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367 | if ( mes->type != ROAR_ROARDMX_TYPE_EVENT ) { |
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368 | roar_err_set(ROAR_ERROR_TYPEMM); |
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369 | return -1; |
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370 | } |
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371 | |
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372 | if ( (mes->length + len) > ROAR_ROARDMX_DATA_LENGTH ) { // message would be to long |
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373 | roar_err_set(ROAR_ERROR_NOSPC); |
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374 | return -1; |
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375 | } |
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376 | |
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377 | memcpy(mes->data + 3 + mes->length, events, len); |
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378 | mes->length += len; |
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379 | |
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380 | return 0; |
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381 | } |
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382 | |
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383 | int roar_roardmx_message_get_events(struct roar_roardmx_message * mes, const uint8_t ** events, size_t * len) { |
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384 | BCHK(mes); |
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385 | |
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386 | if ( mes->type != ROAR_ROARDMX_TYPE_EVENT ) { |
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387 | roar_err_set(ROAR_ERROR_TYPEMM); |
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388 | return -1; |
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389 | } |
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390 | |
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391 | *events = (const uint8_t *)(mes->data + 3); |
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392 | *len = mes->length; |
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393 | |
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394 | return 0; |
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395 | } |
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396 | |
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397 | // * CONTROL: |
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398 | // Not yet supported. |
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399 | |
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400 | //ll |
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