c133c6a964
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21819 a1c6a512-1295-4272-9138-f99709370657
169 lines
4.2 KiB
C
169 lines
4.2 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2009 Wincent Balin
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef PDBOX_H
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#define PDBOX_H
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/* Use dbestfit. */
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#include "bmalloc.h"
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#include "dmalloc.h"
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/* Pure Data */
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#include "m_pd.h"
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/* dbestfit declarations. */
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/* Minimal memory size. */
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#define MIN_MEM_SIZE (4 * 1024 * 1024)
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/* Audio declarations. */
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#define PD_SAMPLERATE 22050
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#define PD_SAMPLES_PER_HZ ((PD_SAMPLERATE / HZ) + \
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(PD_SAMPLERATE % HZ > 0 ? 1 : 0))
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#define PD_OUT_CHANNELS 2
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/* Audio buffer part. Contains data for one HZ period. */
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#ifdef SIMULATOR
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#define AUDIOBUFSIZE (PD_SAMPLES_PER_HZ * PD_OUT_CHANNELS * 4)
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#else
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#define AUDIOBUFSIZE (PD_SAMPLES_PER_HZ * PD_OUT_CHANNELS)
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#endif
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struct audio_buffer
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{
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int16_t data[AUDIOBUFSIZE];
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unsigned int fill;
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};
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/* Additional functions. */
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char *rb_strncat(char *s, const char *t, size_t n);
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double rb_strtod(const char*, char**);
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double rb_atof(const char*);
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void rb_ftoan(float, char*, int);
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float rb_floor(float);
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long rb_atol(const char* s);
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float rb_sin(float rad);
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float rb_cos(float rad);
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int rb_fscanf_f(int fd, float* f);
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int rb_fprintf_f(int fd, float f);
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float rb_log10(float);
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float rb_log(float);
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float rb_exp(float);
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float rb_pow(float, float);
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float rb_sqrt(float);
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float rb_fabs(float);
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float rb_atan(float);
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float rb_atan2(float, float);
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float rb_sinh(float);
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float rb_tan(float);
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typedef struct
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{
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int quot;
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int rem;
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}
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div_t;
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div_t div(int x, int y);
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union f2i
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{
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float f;
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int32_t i;
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};
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void sys_findlibdir(const char* filename);
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int sys_startgui(const char *guidir);
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/* Network declarations. */
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/* Maximal size of the datagram. */
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#define MAX_DATAGRAM_SIZE 255
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/* This structure replaces a UDP datagram. */
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struct datagram
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{
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bool used;
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uint8_t size;
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char data[MAX_DATAGRAM_SIZE];
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};
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/* Prototypes of network functions. */
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void net_init(void);
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void net_destroy(void);
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bool send_datagram(struct event_queue* route, int port,
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char* data, size_t size);
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bool receive_datagram(struct event_queue* route, int port,
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struct datagram* buffer);
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/* Network message queues. */
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extern struct event_queue gui_to_core;
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extern struct event_queue core_to_gui;
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/* UDP ports of the original software. */
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#define PD_CORE_PORT 3333
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#define PD_GUI_PORT 3334
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/* Convinience macros. */
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#define SEND_TO_CORE(data) \
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send_datagram(&gui_to_core, PD_CORE_PORT, data, strlen(data))
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#define RECEIVE_TO_CORE(buffer) \
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receive_datagram(&gui_to_core, PD_CORE_PORT, buffer)
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#define SEND_FROM_CORE(data) \
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send_datagram(&core_to_gui, PD_GUI_PORT, data, strlen(data))
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#define RECEIVE_FROM_CORE(buffer) \
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receive_datagram(&core_to_gui, PD_GUI_PORT, buffer)
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/* PD core message callback. */
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void rockbox_receive_callback(struct datagram* dg);
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/* Pure Data declarations. */
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/* Pure Data function prototypes. */
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void pd_init(void);
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/* Redefinitons of ANSI C functions. */
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#include "lib/wrappers.h"
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#define strncmp rb->strncmp
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#define atoi rb->atoi
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#define write rb->write
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#define strncat rb_strncat
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#define floor rb_floor
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#define atof rb_atof
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#define atol rb_atol
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#define ftoan rb_ftoan
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#define sin rb_sin
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#define cos rb_cos
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#define log10 rb_log10
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#define log rb_log
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#define exp rb_exp
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#define pow rb_pow
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#define sqrt rb_sqrt
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#define fabs rb_fabs
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#define atan rb_atan
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#define atan2 rb_atan2
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#define sinh rb_sinh
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#define tan rb_tan
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#endif
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