1 | //roardmx.h: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009-2011 |
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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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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 | * 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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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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46 | #define ROAR_ROARDMX_DATA_LENGTH ((1<<(sizeof(char)*8))-1) /* 255 */ |
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47 | |
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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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56 | |
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57 | struct roar_roardmx_message { |
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58 | unsigned char version; |
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59 | unsigned char flags; |
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60 | unsigned char type; |
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61 | size_t length; |
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62 | unsigned char data[3 /* header */ + ROAR_ROARDMX_DATA_LENGTH /* data */]; |
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63 | }; |
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64 | |
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65 | // generic things: |
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66 | int roar_roardmx_message_new (struct roar_roardmx_message * mes); |
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67 | |
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68 | // low level: |
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69 | //int roar_roardmx_message_set_flag(struct roar_roardmx_message * mes, unsigned char flag); |
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70 | //int roar_roardmx_message_set_len (struct roar_roardmx_message * mes, size_t type); |
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71 | //int roar_roardmx_message_get_data(struct roar_roardmx_message * mes, unsigned char ** data); |
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72 | |
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73 | // mdium level: |
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74 | int roar_roardmx_message_set_type(struct roar_roardmx_message * mes, unsigned char type); |
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75 | int roar_roardmx_message_get_flag(struct roar_roardmx_message * mes, unsigned char * flag); |
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76 | int roar_roardmx_message_get_type(struct roar_roardmx_message * mes, unsigned char * length); |
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77 | int roar_roardmx_message_get_len (struct roar_roardmx_message * mes, size_t * type); |
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78 | |
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79 | |
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80 | // IO: |
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81 | int roar_roardmx_message_send(struct roar_roardmx_message * mes, struct roar_vio_calls * vio); |
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82 | int roar_roardmx_message_recv(struct roar_roardmx_message * mes, struct roar_vio_calls * vio); |
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83 | |
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84 | // Data/high level: |
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85 | // * SSET: |
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86 | int roar_roardmx_message_new_sset (struct roar_roardmx_message * mes); |
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87 | int roar_roardmx_message_add_chanval(struct roar_roardmx_message * mes, uint16_t channel, unsigned char val); |
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88 | int roar_roardmx_message_get_chanval(struct roar_roardmx_message * mes, uint16_t * channel, unsigned char * val, int index); |
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89 | int roar_roardmx_message_numchannels(struct roar_roardmx_message * mes); |
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90 | |
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91 | |
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92 | #endif |
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93 | |
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94 | //ll |
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