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/*
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* common.h - Common parts of readcbm and writecbm
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*
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* Written in 2003-2004 by Christian Bauer <Christian.Bauer@uni-mainz.de>
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*/
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#ifndef COMMON_H
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#define COMMON_H
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include <getopt.h>
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#include <errno.h>
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#include <sys/io.h>
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/* Disk format description */
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struct format_t {
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int sides;
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int tracks_per_side;
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const int *bps; // bps for each speed zone
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const int *std_speed; // zone for each track
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const int *num_sectors; // number of sectors for each track
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};
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/* Selected format */
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extern const struct format_t *format;
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/* Maximum number of sectors per track */
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#define MAX_SECTORS 29
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/* Bytes per sector */
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#define SECTOR_SIZE 256
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/* Track buffer */
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extern unsigned char track_buf[MAX_SECTORS * SECTOR_SIZE];
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/* Bit rate for each speed zone */
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extern const int bps[4];
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/* Drive number */
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extern int drive_num;
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/* Actual RPM of the drive, and whether it's 40 or 80 tracks */
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extern int drive_rpm;
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extern int drive_40tracks;
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/* Name of file to read from/write to */
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extern const char *file_name;
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/* Catweasel controller struct */
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extern catweasel_contr c;
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/* Clock table (nominal number of Catweasel clocks per inter-flux-change gap) */
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extern int clock_table[4];
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/* Threshold table */
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extern int thresh_table[3];
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/*
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* Parse command line arguments and set
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* c.iobase
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* c.type
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* drive_num
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* drive_rpm
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* drive_40tracks
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* file_name
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* Also initializes the catweasel_contr struct
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*/
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extern void parse_args(int argc, char **argv);
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/* Obtain access to I/O ports */
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extern void ioport_access(void);
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/* Delay specified number of milliseconds */
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extern void msdelay(int ms);
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/* Select disk format */
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extern void select_format(int type);
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/* Seek to given CBM track (1..35) and select correct side and speed zone */
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extern void seek_to(int drive, int track);
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/* Start drive */
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extern void start_drive(int drive);
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/* Stop drive */
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extern void stop_drive(int drive);
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#endif
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