as31glue.h

A MP3 Player Source Code, Enjoy it!

/*
 * MP3 Player, Main Program, http://www.pjrc.com/tech/mp3
 * Copyright (c) 2000, PJRC.COM, LLC
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * As a specific exception to the GPL, the executable object code built
 * from this source code may be combined with hardware configuration data
 * files.  A hardware configuration data file is a set of data that is
 * transmitted to an intergrated circuit that is not a general purpose
 * microprocessor or microcontroller, in order to establish its normal
 * operation.  The process of combining the executable ojbect code built
 * from the GPL licensed source code with the hardware configuration data
 * shall be considered an aggregation of another work not based on the
 * Program.  While the GPL does not restrict use of the program, any
 * use restriction associated with the hardware configuration data (for
 * example, that it only be used with particular hardware) shall apply
 * to the combined file which includes a copy of the hardware configuration
 * data.
 *
 * Contact: [e-mail]
 */


#ifndef SDCC_MODEL_LARGE
#error "SDCC's large memory model is required"
#endif

#ifndef AS31GLUE_H
#define AS31GLUE_H

#include "parse.h"
#include "params.h"

bit at 0x1E mute_is_on;
bit at 0x1F debug;


struct dirent_struct {
	unsigned char	attrib;
	char		short_name[13];
	unsigned long	cluster;
	unsigned long	size;
	char		long_name[230];
};

/* there are certainly others that don't touch the registers */
/* need to investigate which ones and define them here */
#pragma CALLEE-SAVES get_root_1st_cluster,flush


extern void init_uart(void);
extern void timer_setup(void);
extern void ide_hard_reset(void);
extern char ide_init(void);
extern void ide_flush(void);
extern void do_ide_loop(unsigned char num);
extern void ide_sleep(void);
extern char is_ide_idle(void);
extern char is_ide_sleeping(void);


extern char init_memory_mgr(void);
extern unsigned char detect_simm_size(void);
extern void print_memory_available(void);
extern void map_block(unsigned int block, xdata void *addr);
extern unsigned int malloc_blocks(unsigned char num);
extern void free_blocks(unsigned int block);
extern unsigned int next_block(unsigned int block);



extern char play_block(unsigned int block, unsigned int nbytes);
extern unsigned char play_queue_avail(void);
extern char is_play_queue_empty(void);
extern void play_resume(void);
extern void play_suspend(void);
extern void play_abort(void);
extern void play_dma_irq_enable(void);

extern void set_timer(unsigned char timer, unsigned int value);
extern unsigned int read_timer(unsigned char timer);
extern void clear_timer(unsigned char timer);
extern unsigned long clock_tick(void);

extern char test_sta013(void);
extern void fill_null_mp3(xdata void *addr, unsigned char num_frames);
extern unsigned char sta013_get_attenuation(void);
extern void sta013_set_attenuation(unsigned char);
extern char sta013_init(void);
extern char sta013_read(unsigned char addr, xdata unsigned char *value);
extern char sta013_write(unsigned char addr, xdata unsigned char *value);
extern unsigned long sta013_read_header(void);


extern char detect_filesystem(void);
extern unsigned long get_root_1st_cluster(void);
extern char file_open_by_1st_cluster(unsigned long first_cluster);
extern void file_cache(char fd, unsigned long offset, unsigned long length);
extern char file_cache_work(char fd);
extern char file_seek(char fd, unsigned long offset);
extern unsigned long file_tell(char fd);
extern unsigned char file_read(char fd, xdata void *buf, unsigned char count);
extern unsigned int file_read_block(char fd);
extern char dir_read_fast(char fd, xdata void *info);
extern char dir_read_fast_name(xdata char * buf);
extern void file_close(char fd);
extern void file_uncache(char fd, unsigned long offset, unsigned long length);
extern void free_fat_memory(void);

extern void update_events(void);
extern event_t get_next_event(void);
extern void add_new_event(event_t event);
extern void put_back_event(event_t event);

extern char write_flash_param(param_t parm_id, idata void *data);
extern unsigned char read_param_1byte(param_t parm_id,
	unsigned char default_value);

extern char xilinx_download(void);
extern void power_shutdown(void);
extern void run_old_firmware(void);
extern void drivers_init(void);

extern void flush(void);

extern char file_mem_map(char fd, char block_addr);

#endif