[5936] | 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 - 2011-2013 |
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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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[5937] | 53 | ROAR_DBG("__set_%s(val=%i): channel=%li", #type, val, (long int)g_state->channel_##type); \ |
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[5936] | 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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[5937] | 114 | struct state * old = g_state; |
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| 115 | |
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[5936] | 116 | (void)core, (void)userdata; |
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[5937] | 117 | |
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| 118 | g_state = userdata; |
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| 119 | |
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[5936] | 120 | __handle_event(event->arg0); |
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[5937] | 121 | |
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| 122 | g_state = old; |
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[5936] | 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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[5937] | 137 | g_state->subscription_event = roar_notify_core_subscribe(NULL, &event, cb_event, g_state); |
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[5936] | 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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