1 | //dmx-strobe.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2011-2014 |
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5 | * |
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6 | * This file is part of roard 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 | * RoarAudio 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 <roard/include/roard.h> |
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27 | |
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28 | struct state { |
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29 | // config: |
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30 | ssize_t channel_brightness; |
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31 | ssize_t channel_frequency; |
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32 | ssize_t channel_trigger; |
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33 | uint8_t brightness; |
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34 | uint8_t frequency; |
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35 | |
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36 | // runtime: |
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37 | uint8_t tigger_value; |
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38 | struct roar_subscriber * subscription_event; |
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39 | }; |
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40 | |
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41 | static struct state * g_state; |
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42 | static struct state g_state_init = { |
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43 | .channel_brightness = -1, |
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44 | .channel_frequency = -1, |
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45 | .channel_trigger = -1, |
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46 | .brightness = 255, |
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47 | .frequency = 64, |
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48 | .tigger_value = 0 |
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49 | }; |
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50 | |
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51 | #define __set_XXX(type) \ |
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52 | static void __set_##type (uint8_t val) { \ |
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53 | ROAR_DBG("__set_%s(val=%i): channel=%li", #type, val, (long int)g_state->channel_##type); \ |
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54 | if ( g_state->channel_##type != -1 ) \ |
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55 | light_dmxchannel_set(g_state->channel_##type, val); \ |
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56 | } |
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57 | |
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58 | __set_XXX(brightness) |
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59 | __set_XXX(frequency) |
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60 | __set_XXX(trigger) |
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61 | |
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62 | static void __handle_event(uint8_t event) { |
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63 | switch (event) { |
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64 | case ROAR_ROARDMX_EVENT_STROBE|ROAR_ROARDMX_ETYPE_BEAT: |
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65 | g_state->tigger_value += 7; // prime value > 3 for maximum 'random' effect. |
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66 | __set_trigger(g_state->tigger_value); |
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67 | break; |
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68 | case ROAR_ROARDMX_EVENT_STROBE|ROAR_ROARDMX_ETYPE_OFF: |
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69 | __set_frequency(0); |
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70 | break; |
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71 | case ROAR_ROARDMX_EVENT_STROBE|ROAR_ROARDMX_ETYPE_ON: |
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72 | case ROAR_ROARDMX_EVENT_STROBE|ROAR_ROARDMX_ETYPE_HOLD: |
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73 | __set_brightness(g_state->brightness); |
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74 | __set_frequency(g_state->frequency); |
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75 | break; |
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76 | } |
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77 | } |
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78 | |
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79 | static int _init (struct roar_dl_librarypara * para) { |
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80 | struct roar_keyval * p; |
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81 | |
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82 | p = roar_keyval_lookup(para->argv, "channel-brightness", para->argc, 1); |
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83 | if ( p != NULL && p->value != NULL ) |
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84 | g_state->channel_brightness = atoi(p->value); |
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85 | |
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86 | p = roar_keyval_lookup(para->argv, "channel-frequency", para->argc, 1); |
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87 | if ( p != NULL && p->value != NULL ) |
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88 | g_state->channel_frequency = atoi(p->value); |
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89 | |
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90 | p = roar_keyval_lookup(para->argv, "channel-trigger", para->argc, 1); |
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91 | if ( p != NULL && p->value != NULL ) |
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92 | g_state->channel_trigger = atoi(p->value); |
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93 | |
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94 | p = roar_keyval_lookup(para->argv, "brightness", para->argc, 1); |
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95 | if ( p != NULL && p->value != NULL ) |
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96 | g_state->brightness = atoi(p->value); |
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97 | |
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98 | p = roar_keyval_lookup(para->argv, "frequency", para->argc, 1); |
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99 | if ( p != NULL && p->value != NULL ) |
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100 | g_state->frequency = atoi(p->value); |
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101 | |
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102 | return 0; |
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103 | } |
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104 | |
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105 | static struct roar_dl_appsched sched = { |
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106 | .init = _init, |
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107 | .free = NULL, |
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108 | .update = NULL, |
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109 | .tick = NULL, |
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110 | .wait = NULL |
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111 | }; |
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112 | |
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113 | static void cb_event(struct roar_notify_core * core, struct roar_event * event, void * userdata) { |
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114 | struct state * old = g_state; |
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115 | |
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116 | (void)core, (void)userdata; |
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117 | |
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118 | g_state = userdata; |
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119 | |
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120 | __handle_event(event->arg0); |
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121 | |
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122 | g_state = old; |
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123 | } |
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124 | |
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125 | static int init(struct roar_dl_librarypara * para, struct roar_dl_libraryinst * lib) { |
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126 | struct roar_event event; |
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127 | |
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128 | (void)para, (void)lib; |
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129 | |
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130 | memset(&event, 0, sizeof(event)); |
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131 | |
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132 | event.event = ROAR_DATA_DMX512_EVENT; |
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133 | event.emitter = -1; |
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134 | event.target = -1; |
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135 | event.target_type = ROAR_OT_STREAM; |
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136 | |
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137 | g_state->subscription_event = roar_notify_core_subscribe(NULL, &event, cb_event, g_state); |
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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 | static int unload(struct roar_dl_librarypara * para, struct roar_dl_libraryinst * lib) { |
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143 | (void)para, (void)lib; |
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144 | |
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145 | roar_notify_core_unsubscribe(NULL, g_state->subscription_event); |
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146 | |
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147 | return 0; |
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148 | } |
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149 | |
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150 | ROAR_DL_PLUGIN_START(dmx_strobe) { |
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151 | ROARD_DL_CHECK_VERSIONS(); |
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152 | |
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153 | ROAR_DL_PLUGIN_META_PRODUCT_NIV("dmx-strobe", ROAR_VID_ROARAUDIO, ROAR_VNAME_ROARAUDIO); |
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154 | ROAR_DL_PLUGIN_META_VERSION(ROAR_VERSION_STRING); |
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155 | ROAR_DL_PLUGIN_META_LICENSE_TAG(GPLv3_0); |
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156 | ROAR_DL_PLUGIN_META_CONTACT_FLNE("Philipp", "Schafft", "ph3-der-loewe", "lion@lion.leolix.org"); |
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157 | ROAR_DL_PLUGIN_META_DESC("Controls strobes using roard's DMX interface."); |
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158 | |
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159 | ROAR_DL_PLUGIN_REG_GLOBAL_DATA(g_state, g_state_init); |
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160 | ROAR_DL_PLUGIN_REG_APPSCHED(&sched); |
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161 | ROAR_DL_PLUGIN_REG(ROAR_DL_FN_INIT, init); |
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162 | ROAR_DL_PLUGIN_REG_UNLOAD(unload); |
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163 | } ROAR_DL_PLUGIN_END |
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164 | |
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165 | //ll |
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