apps/plugins/pdbox/pdbox.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2009, 2010 Wincent Balin
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #ifndef PDBOX_H
  23 #define PDBOX_H
  24
  25
  26 #if 1
  27 /* Use TLSF. */
  28 #include "codecs/lib/tlsf/src/tlsf.h"
  29 #endif
  30
  31 /* Pure Data */
  32 #include "PDa/src/m_pd.h"
  33
  34 /* Minimal memory size. */
  35 #define MIN_MEM_SIZE (4 * 1024 * 1024)
  36
  37 /* Memory prototypes. */
  38
  39 /* Direct memory allocator functions to TLSF. */
  40 #define malloc(size) tlsf_malloc(size)
  41 #define free(ptr) tlsf_free(ptr)
  42 #define realloc(ptr, size) tlsf_realloc(ptr, size)
  43 #define calloc(elements, elem_size) tlsf_calloc(elements, elem_size)
  44
  45 /* Audio declarations. */
  46 #define PD_SAMPLERATE 22050
  47 #define PD_SAMPLES_PER_HZ ((PD_SAMPLERATE / HZ) + \
  48                            (PD_SAMPLERATE % HZ > 0 ? 1 : 0))
  49 #define PD_OUT_CHANNELS 2
  50
  51 /* Audio buffer part. Contains data for one HZ period. */
  52 #ifdef SIMULATOR
  53 #define AUDIOBUFSIZE (PD_SAMPLES_PER_HZ * PD_OUT_CHANNELS * 16)
  54 #else
  55 #define AUDIOBUFSIZE (PD_SAMPLES_PER_HZ * PD_OUT_CHANNELS)
  56 #endif
  57 struct audio_buffer
  58 {
  59     int16_t data[AUDIOBUFSIZE];
  60     unsigned int fill;
  61 };
  62
  63
  64 /* Additional functions. */
  65 char *rb_strncat(char *s, const char *t, size_t n);
  66 double rb_strtod(const char*, char**);
  67 double rb_atof(const char*);
  68 void rb_ftoan(float, char*, int);
  69 float rb_floor(float);
  70 long rb_atol(const char* s);
  71 float rb_sin(float rad);
  72 float rb_cos(float rad);
  73 int rb_fscanf_f(int fd, float* f);
  74 int rb_fprintf_f(int fd, float f);
  75 float rb_log10(float);
  76 float rb_log(float);
  77 float rb_exp(float);
  78 float rb_pow(float, float);
  79 float rb_sqrt(float);
  80 float rb_fabs(float);
  81 float rb_atan(float);
  82 float rb_atan2(float, float);
  83 float rb_sinh(float);
  84 float rb_tan(float);
  85 #ifndef SIMULATOR
  86 typedef struct
  87 {
  88     int quot;
  89     int rem;
  90 }
  91 div_t;
  92 div_t div(int x, int y);
  93 #endif
  94 union f2i
  95 {
  96     float f;
  97     int32_t i;
  98 };
  99 void sys_findlibdir(const char* filename);
 100 int sys_startgui(const char *guidir);
 101
 102
 103 /* Network declarations. */
 104
 105 /* Maximal size of the datagram. */
 106 #define MAX_DATAGRAM_SIZE 255
 107
 108 /* This structure replaces a UDP datagram. */
 109 struct datagram
 110 {
 111     bool used;
 112     uint8_t size;
 113     char data[MAX_DATAGRAM_SIZE];
 114 };
 115
 116 /* Prototypes of network functions. */
 117 void net_init(void);
 118 void net_destroy(void);
 119 bool send_datagram(struct event_queue* route, int port,
 120                    char* data, size_t size);
 121 bool receive_datagram(struct event_queue* route, int port,
 122                       struct datagram* buffer);
 123
 124 /* Network message queues. */
 125 extern struct event_queue gui_to_core;
 126 extern struct event_queue core_to_gui;
 127
 128 /* UDP ports of the original software. */
 129 #define PD_CORE_PORT 3333
 130 #define PD_GUI_PORT 3334
 131
 132 /* Convinience macros. */
 133 #define SEND_TO_CORE(data) \
 134     send_datagram(&gui_to_core, PD_CORE_PORT, data, strlen(data))
 135 #define RECEIVE_TO_CORE(buffer) \
 136     receive_datagram(&gui_to_core, PD_CORE_PORT, buffer)
 137 #define SEND_FROM_CORE(data) \
 138     send_datagram(&core_to_gui, PD_GUI_PORT, data, strlen(data))
 139 #define RECEIVE_FROM_CORE(buffer) \
 140     receive_datagram(&core_to_gui, PD_GUI_PORT, buffer)
 141
 142 /* PD core message callback. */
 143 void rockbox_receive_callback(struct datagram* dg);
 144
 145
 146 /* Pure Data declarations. */
 147
 148 /* Pure Data function prototypes. */
 149 void pd_init(void);
 150
 151
 152 /* Redefinitons of ANSI C functions. */
 153 #include "lib/wrappers.h"
 154
 155 #define strncmp rb->strncmp
 156 #define atoi rb->atoi
 157 #define write rb->write
 158
 159 #define strncat rb_strncat
 160
 161 #ifndef SIMULATOR
 162 #define floor rb_floor
 163 #define atof rb_atof
 164 #define atol rb_atol
 165 #define sin rb_sin
 166 #define cos rb_cos
 167 #define log10 rb_log10
 168 #define log rb_log
 169 #define exp rb_exp
 170 #define pow rb_pow
 171 #define sqrt rb_sqrt
 172 #define fabs rb_fabs
 173 #define atan rb_atan
 174 #define atan2 rb_atan2
 175 #define sinh rb_sinh
 176 #define tan rb_tan
 177 #else
 178 #include <math.h>
 179 #endif
 180
 181 #define ftoan rb_ftoan
 182 #define strtok_r rb->strtok_r
 183 #define strstr rb->strcasestr
 184
 185
 186 /* PdPod GUI declarations. */
 187
 188 enum pd_widget_id
 189 {
 190     PD_BANG,
 191     PD_VSLIDER,
 192     PD_HSLIDER,
 193     PD_VRADIO,
 194     PD_HRADIO,
 195     PD_NUMBER,
 196     PD_SYMBOL,
 197     PD_TEXT
 198 };
 199
 200 struct pd_widget
 201 {
 202     enum pd_widget_id id;
 203     char name[128];
 204     int x;
 205     int y;
 206     int w;
 207     int h;
 208     int min;
 209     int max;
 210     float value;
 211     int timeout;
 212 };
 213
 214 enum pd_key_id
 215 {
 216     KEY_PLAY,
 217     KEY_REWIND,
 218     KEY_FORWARD,
 219     KEY_MENU,
 220     KEY_ACTION,
 221     KEY_WHEELLEFT,
 222     KEY_WHEELRIGHT,
 223     PD_KEYS
 224 };
 225
 226 /* Map real keys to virtual ones.
 227    Feel free to add your preferred keymap here. */
 228 #if (CONFIG_KEYPAD == IRIVER_H300_PAD)
 229     /* Added by wincent */
 230     #define PDPOD_QUIT (BUTTON_OFF)
 231     #define PDPOD_PLAY (BUTTON_ON)
 232     #define PDPOD_PREVIOUS (BUTTON_LEFT)
 233     #define PDPOD_NEXT (BUTTON_RIGHT)
 234     #define PDPOD_MENU (BUTTON_SELECT)
 235     #define PDPOD_WHEELLEFT (BUTTON_DOWN)
 236     #define PDPOD_WHEELRIGHT (BUTTON_UP)
 237     #define PDPOD_ACTION (BUTTON_MODE)
 238 #elif (CONFIG_KEYPAD == IRIVER_H100_PAD)
 239     /* Added by wincent */
 240     #define PDPOD_QUIT (BUTTON_OFF)
 241     #define PDPOD_PLAY (BUTTON_REC)
 242     #define PDPOD_PREVIOUS (BUTTON_LEFT)
 243     #define PDPOD_NEXT (BUTTON_RIGHT)
 244     #define PDPOD_MENU (BUTTON_SELECT)
 245     #define PDPOD_WHEELLEFT (BUTTON_DOWN)
 246     #define PDPOD_WHEELRIGHT (BUTTON_UP)
 247     #define PDPOD_ACTION (BUTTON_ON)
 248 #elif (CONFIG_KEYPAD == SANSA_FUZE_PAD)
 249     /* Added by funman */
 250     #define PDPOD_QUIT (BUTTON_HOME|BUTTON_REPEAT)
 251     #define PDPOD_PLAY BUTTON_UP
 252     #define PDPOD_PREVIOUS BUTTON_LEFT
 253     #define PDPOD_NEXT BUTTON_RIGHT
 254     #define PDPOD_MENU BUTTON_SELECT
 255     #define PDPOD_WHEELLEFT BUTTON_SCROLL_BACK
 256     #define PDPOD_WHEELRIGHT BUTTON_SCROLL_FWD
 257     #define PDPOD_ACTION BUTTON_DOWN
 258 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD) || \
 259       (CONFIG_KEYPAD == IPOD_1G2G_PAD)
 260     /* Added by wincent */
 261     #define PDPOD_QUIT (BUTTON_SELECT | BUTTON_MENU)
 262     #define PDPOD_PLAY (BUTTON_PLAY)
 263     #define PDPOD_PREVIOUS (BUTTON_LEFT)
 264     #define PDPOD_NEXT (BUTTON_RIGHT)
 265     #define PDPOD_MENU (BUTTON_MENU)
 266     #define PDPOD_WHEELLEFT (BUTTON_SCROLL_BACK)
 267     #define PDPOD_WHEELRIGHT (BUTTON_SCROLL_FWD)
 268     #define PDPOD_ACTION (BUTTON_SELECT)
 269 #else
 270     #warning "No keys defined for this architecture!"
 271 #endif
 272
 273 /* Prototype of GUI functions. */
 274 void pd_gui_init(void);
 275 unsigned int pd_gui_load_patch(struct pd_widget* wg, unsigned int max_widgets);
 276 void pd_gui_draw(struct pd_widget* wg, unsigned int widgets);
 277 bool pd_gui_parse_buttons(unsigned int widgets);
 278 void pd_gui_parse_message(struct datagram* dg,
 279                           struct pd_widget* wg, unsigned int widgets);
 280 bool pd_gui_apply_timeouts(struct pd_widget* wg, unsigned int widgets);
 281
 282 #endif