[1944] | 1 | //roardmx.h: |
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| 2 | |
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| 3 | /* |
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[6052] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009-2015 |
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[1944] | 5 | * |
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| 6 | * This file is part of libroar 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 | * libroar 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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[3517] | 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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[1944] | 23 | * |
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| 24 | * NOTE for everyone want's to change something and send patches: |
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| 25 | * read README and HACKING! There a addition information on |
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| 26 | * the license of this document you need to read before you send |
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| 27 | * any patches. |
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| 28 | * |
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| 29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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| 30 | * or libpulse*: |
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| 31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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| 32 | * and are therefore GPL. Because of this it may be illigal to use |
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| 33 | * them with any software that uses libesd, libartsc or libpulse*. |
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| 34 | */ |
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| 35 | |
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| 36 | #ifndef _LIBROARLIGHT_ROARDMX_H_ |
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| 37 | #define _LIBROARLIGHT_ROARDMX_H_ |
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| 38 | |
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| 39 | #include "libroarlight.h" |
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| 40 | |
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[1945] | 41 | #define ROAR_ROARDMX_VERSION 0x00 |
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| 42 | |
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| 43 | #define ROAR_ROARDMX_MASK_FLAGS 0xF0 |
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| 44 | #define ROAR_ROARDMX_MASK_TYPE 0x0F |
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| 45 | |
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[1948] | 46 | #define ROAR_ROARDMX_DATA_LENGTH ((1<<(sizeof(char)*8))-1) /* 255 */ |
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| 47 | |
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[1945] | 48 | // we have a offset of one nibble, see ROAR_ROARDMX_MASK_FLAGS |
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| 49 | #define ROAR_ROARDMX_FLAG_PACKED 0x10 |
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| 50 | |
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| 51 | #define ROAR_ROARDMX_TYPE_SSET 0x00 /* simple set */ |
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| 52 | #define ROAR_ROARDMX_TYPE_IPO1 0x01 /* linear interploation */ |
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| 53 | #define ROAR_ROARDMX_TYPE_IPOLIN ROAR_ROARDMX_TYPE_IPO1 |
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| 54 | #define ROAR_ROARDMX_TYPE_IPO4 0x02 /* poly5 interpolation (a*t^4 + b*t^3 + c*t^2 + d*t + e) */ |
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| 55 | #define ROAR_ROARDMX_TYPE_INC8S 0x03 /* signed 8 bit increment */ |
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[5913] | 56 | #define ROAR_ROARDMX_TYPE_RANGESET 0x04 /* like simple set but set ranges of channels */ |
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| 57 | #define ROAR_ROARDMX_TYPE_EVENT 0x0E /* used to transmit simple events like step, blackout and stuff */ |
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| 58 | #define ROAR_ROARDMX_TYPE_CONTROL 0x0F /* Used to transmit other control information like codec version */ |
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| 59 | |
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| 60 | // Events: |
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| 61 | // event types (ETYPE) will be bit or-ed with event. |
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| 62 | #define ROAR_ROARDMX_MASK_EVENT 0x3F |
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| 63 | #define ROAR_ROARDMX_MASK_ETYPE 0xC0 |
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| 64 | |
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| 65 | #define ROAR_ROARDMX_ETYPE_BEAT 0x00 /* event happens NOW */ |
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| 66 | #define ROAR_ROARDMX_ETYPE_OFF 0x40 /* event ended */ |
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| 67 | #define ROAR_ROARDMX_ETYPE_ON 0x80 /* event started */ |
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| 68 | #define ROAR_ROARDMX_ETYPE_HOLD 0xC0 /* event is still running, used as keep-alive */ |
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| 69 | |
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| 70 | // events: must be in range 0x00 to 0x3F. |
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| 71 | #define ROAR_ROARDMX_EVENT_NONE 0x00 /* can be used as keep-alive or padding */ |
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| 72 | #define ROAR_ROARDMX_EVENT_STEP 0x01 |
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| 73 | #define ROAR_ROARDMX_EVENT_TAP 0x02 |
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| 74 | #define ROAR_ROARDMX_EVENT_BEAT 0x03 /* audio signal generated beat */ |
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| 75 | #define ROAR_ROARDMX_EVENT_BLACKOUT 0x04 /* set all light channels to zero */ |
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| 76 | #define ROAR_ROARDMX_EVENT_FULLON 0x05 /* set all light channels to full intensity */ |
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| 77 | #define ROAR_ROARDMX_EVENT_FLASH 0x06 /* like fullon but can also use strobe. */ |
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| 78 | #define ROAR_ROARDMX_EVENT_STROBE 0x07 /* triggers all strobes */ |
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[5921] | 79 | #define ROAR_ROARDMX_EVENT_STROBEREADY 0x08 /* strobe is ready */ |
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| 80 | #define ROAR_ROARDMX_EVENT_STROBELOAD 0x09 /* strobe is loading */ |
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| 81 | #define ROAR_ROARDMX_EVENT_FOG 0x0A /* triggers all fog machines */ |
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| 82 | #define ROAR_ROARDMX_EVENT_FOGREADY 0x0B /* Fog machine is ready */ |
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| 83 | #define ROAR_ROARDMX_EVENT_FOGHEAT 0x0C /* Fog machine is heating up */ |
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[6008] | 84 | /* hole */ |
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| 85 | #define ROAR_ROARDMX_EVENT_NOTIFY0 0x10 /* Notify e.g. IRC highlight, ringing phone, ... */ |
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| 86 | #define ROAR_ROARDMX_EVENT_NOTIFY1 0x11 |
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| 87 | #define ROAR_ROARDMX_EVENT_NOTIFY2 0x12 |
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| 88 | #define ROAR_ROARDMX_EVENT_NOTIFY3 0x13 |
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| 89 | /* hole */ |
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[5972] | 90 | #define ROAR_ROARDMX_EVENT_USER0 0x30 /* User defined event #0 */ |
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| 91 | #define ROAR_ROARDMX_EVENT_USER1 0x31 /* User defined event #1 */ |
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| 92 | #define ROAR_ROARDMX_EVENT_USER2 0x32 /* User defined event #2 */ |
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| 93 | #define ROAR_ROARDMX_EVENT_USER3 0x33 /* User defined event #3 */ |
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| 94 | #define ROAR_ROARDMX_EVENT_USER4 0x34 /* User defined event #4 */ |
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| 95 | #define ROAR_ROARDMX_EVENT_USER5 0x35 /* User defined event #5 */ |
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| 96 | #define ROAR_ROARDMX_EVENT_USER6 0x36 /* User defined event #6 */ |
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| 97 | #define ROAR_ROARDMX_EVENT_USER7 0x37 /* User defined event #7 */ |
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| 98 | #define ROAR_ROARDMX_EVENT_USER8 0x38 /* User defined event #8 */ |
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| 99 | #define ROAR_ROARDMX_EVENT_USER9 0x39 /* User defined event #9 */ |
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| 100 | #define ROAR_ROARDMX_EVENT_USER10 0x3A /* User defined event #10 */ |
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| 101 | #define ROAR_ROARDMX_EVENT_USER11 0x3B /* User defined event #11 */ |
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| 102 | #define ROAR_ROARDMX_EVENT_USER12 0x3C /* User defined event #12 */ |
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| 103 | #define ROAR_ROARDMX_EVENT_USER13 0x3D /* User defined event #13 */ |
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| 104 | #define ROAR_ROARDMX_EVENT_USER14 0x3E /* User defined event #14 */ |
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| 105 | #define ROAR_ROARDMX_EVENT_USER15 0x3F /* User defined event #15 */ |
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[1945] | 106 | |
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[6001] | 107 | /* subcommands for ROAR_ROARDMX_TYPE_CONTROL: */ |
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| 108 | #define ROAR_ROARDMX_CTL_VERSION 0x00 /* Version of Codec */ |
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| 109 | #define ROAR_ROARDMX_CTL_SYNC 0x01 /* Sync state */ |
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| 110 | |
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| 111 | /* Flags for ROAR_ROARDMX_CTL_SYNC: */ |
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| 112 | #define ROAR_ROARDMX_SYNC_DIRTY 0x01 /* global state is not sync, some more data needs to be send first */ |
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| 113 | #define ROAR_ROARDMX_SYNC_CLEAN 0x02 /* global state is sync */ |
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| 114 | #define ROAR_ROARDMX_SYNC_SOF 0x03 /* start of frame */ |
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| 115 | #define ROAR_ROARDMX_SYNC_EOF 0x04 /* end of frame */ |
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| 116 | #define ROAR_ROARDMX_SYNC_CLOCK 0x80 /* clock tick */ |
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| 117 | |
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[5962] | 118 | // Data format on the wire: |
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| 119 | /* |
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| 120 | * All packets consist of a header and a body. |
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| 121 | * The header has the size of 3 Bytes: |
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| 122 | * 0) version. Must be ROAR_ROARDMX_VERSION. |
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| 123 | * 1) packet type and flags. |
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| 124 | * 2) length of body in bytes. |
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| 125 | * |
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| 126 | * the type-flags byte consists of the packet type in the lower nibble and |
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| 127 | * the flags in the upper nibble. |
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| 128 | * |
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| 129 | * the header is followd by a body of zero to 255 bytes length. |
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| 130 | * the content of the body depends on the used type of packet. |
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| 131 | * |
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| 132 | * SSET: (simple set) Sets channels to values. |
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| 133 | * The body consists of {channel, value}-pairs. |
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[5976] | 134 | * Every entry is 3 byte: hi byte of channel, low byte of channel, value. |
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[5962] | 135 | * |
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| 136 | * IPO1: not implemented. |
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| 137 | * IPO4: not implemented. |
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| 138 | * INC8S: not implemented. |
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[5975] | 139 | * RANGESET: Sets ranges of channels. |
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| 140 | * The body consists of {start, stop, value}-trippels. |
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| 141 | * Every entry is 5 byte: hi byte of start channel, low byte of start channel, |
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| 142 | * hi byte of end channel, low byte of end channel and value. |
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| 143 | * |
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[5962] | 144 | * EVENT: transmit simple yet abstract events. |
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| 145 | * The body is an array of bytes. Each byte represents one event. |
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| 146 | * Each event has the upper two bits set to the meta type of the event |
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| 147 | * (beat, on, off, hold) and the lower 6 bits to the type of te event. |
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| 148 | * |
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[6001] | 149 | * CONTROL: transmit other control information. |
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| 150 | * The body consists of a version byte followed by a command byte. |
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| 151 | * The version byte is always zero by this standard. |
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| 152 | * The command byte is one of ROAR_ROARDMX_CTL_* |
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| 153 | * The rest of body depends on both the version and command byte. |
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| 154 | * For command=VERSION packets the rest of the body is a single byte with the value |
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| 155 | * of zero as of this standard. |
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| 156 | * For command=SYNC packets the rest of the body is a single byte which is a bitarray |
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| 157 | * for flags defined above as ROAR_ROARDMX_SYNC_*. |
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[5962] | 158 | */ |
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| 159 | |
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[1946] | 160 | struct roar_roardmx_message { |
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| 161 | unsigned char version; |
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| 162 | unsigned char flags; |
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| 163 | unsigned char type; |
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| 164 | size_t length; |
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[1948] | 165 | unsigned char data[3 /* header */ + ROAR_ROARDMX_DATA_LENGTH /* data */]; |
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[1946] | 166 | }; |
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| 167 | |
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[5931] | 168 | // database access: |
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| 169 | int roar_roardmx_str2event(const char * event); |
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| 170 | const char * roar_roardmx_event2str(const int event); |
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| 171 | |
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[1946] | 172 | // generic things: |
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| 173 | int roar_roardmx_message_new (struct roar_roardmx_message * mes); |
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| 174 | |
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| 175 | // low level: |
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| 176 | //int roar_roardmx_message_set_flag(struct roar_roardmx_message * mes, unsigned char flag); |
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| 177 | //int roar_roardmx_message_set_len (struct roar_roardmx_message * mes, size_t type); |
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| 178 | //int roar_roardmx_message_get_data(struct roar_roardmx_message * mes, unsigned char ** data); |
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| 179 | |
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[6002] | 180 | // medium level: |
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[1946] | 181 | int roar_roardmx_message_set_type(struct roar_roardmx_message * mes, unsigned char type); |
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| 182 | int roar_roardmx_message_get_flag(struct roar_roardmx_message * mes, unsigned char * flag); |
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[5928] | 183 | int roar_roardmx_message_get_type(struct roar_roardmx_message * mes, unsigned char * type); |
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| 184 | int roar_roardmx_message_get_len (struct roar_roardmx_message * mes, size_t * length); |
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[1946] | 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 | int roar_roardmx_message_recv(struct roar_roardmx_message * mes, struct roar_vio_calls * vio); |
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| 190 | |
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| 191 | // Data/high level: |
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[5924] | 192 | // * *: |
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[5975] | 193 | int roar_roardmx_message_numchannels(struct roar_roardmx_message * mes); // also works for rangesets |
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[5924] | 194 | int roar_roardmx_message_add_chanval(struct roar_roardmx_message * mes, uint16_t channel, unsigned char val); |
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| 195 | int roar_roardmx_message_get_chanval(struct roar_roardmx_message * mes, uint16_t * channel, unsigned char * val, int index); |
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| 196 | |
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[1946] | 197 | // * SSET: |
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| 198 | int roar_roardmx_message_new_sset (struct roar_roardmx_message * mes); |
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| 199 | |
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[5924] | 200 | // * IPO1: |
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| 201 | // Not yet supported. |
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| 202 | // * IPO4: |
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| 203 | // Not yet supported. |
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| 204 | // * INC8S: |
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| 205 | // Not yet supported. |
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| 206 | // * RANGESET: |
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[5975] | 207 | int roar_roardmx_message_new_rangeset(struct roar_roardmx_message * mes); |
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| 208 | int roar_roardmx_message_add_rangeval(struct roar_roardmx_message * mes, uint16_t start, uint16_t end, unsigned char val); |
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| 209 | int roar_roardmx_message_get_rangeval(struct roar_roardmx_message * mes, uint16_t * start, uint16_t * end, unsigned char * val, int index); |
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| 210 | |
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[5924] | 211 | // * EVENT: |
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[5926] | 212 | int roar_roardmx_message_new_event(struct roar_roardmx_message * mes); |
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| 213 | int roar_roardmx_message_add_events(struct roar_roardmx_message * mes, const uint8_t * events, size_t len); |
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| 214 | #define roar_roardmx_message_add_event(mes,event) roar_roardmx_message_add_events((mes), &(uint8_t){(event)}, 1) |
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| 215 | int roar_roardmx_message_get_events(struct roar_roardmx_message * mes, const uint8_t ** events, size_t * len); |
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| 216 | |
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[5924] | 217 | // * CONTROL: |
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[6001] | 218 | int roar_roardmx_message_new_version(struct roar_roardmx_message * mes, uint8_t version); |
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| 219 | int roar_roardmx_message_new_sync(struct roar_roardmx_message * mes, uint8_t flags); |
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| 220 | int roar_roardmx_message_get_subcommand(struct roar_roardmx_message * mes); |
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| 221 | int roar_roardmx_message_get_ctl_version(struct roar_roardmx_message * mes); |
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| 222 | int roar_roardmx_message_get_ctl_flags(struct roar_roardmx_message * mes); |
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[1946] | 223 | |
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[1944] | 224 | #endif |
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| 225 | |
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| 226 | //ll |
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