source: rtems/tools/cpu/sh/shgen.c @ 9e633f5

4.104.114.84.95
Last change on this file since 9e633f5 was 5a6cfac, checked in by Joel Sherrill <joel.sherrill@…>, on 11/15/00 at 21:43:42

2000-11-13 Ralf Corsepius <corsepiu@…>

  • shgen.c: Set default Phi to 20MHz (BUG-FIX).
  • Property mode set to 100644
File size: 2.7 KB
Line 
1/*
2 * Copyright (c) 1998,1999,2000 Ralf Corsepius (corsepiu@faw.uni-ulm.de)
3 *
4 * See the file COPYING for copyright notice.
5 */
6
7#include <stdio.h>
8#include <string.h>     /* strcmp, strerror */
9#include <errno.h>
10#include <getopt.h>
11
12#include "sci.h"
13
14static void usage( FILE* ofile, char *prog )
15{
16  fprintf( ofile, "Usage: %s [options] driver\n", prog );
17  fprintf( ofile, "\nOptions:\n" );
18  fprintf( ofile, "Processor frequency (default 20MHz):\n") ;
19  fprintf( ofile, "\t-M Phi      .. processor frequency [MHz]\n" );
20  fprintf( ofile, "\t-K Phi      .. processor frequency [KHz]\n" );
21  fprintf( ofile, "\t-H Phi      .. processor frequency [Hz]\n" );
22  fprintf( ofile, "Driver:\n" );
23  fprintf( ofile, "\tsci         .. bitrate table for sci\n" );
24
25  fprintf( ofile, "\nWritten by Ralf Corsepius <corsepiu@faw.uni-ulm.de>\n" );
26  fprintf( ofile, "\nCopyright (c) 1998,1999,2000\tRalf Corsepius\n" );
27}
28
29#if HAVE_GETOPT_LONG
30#define NOARG   0
31#define HASARG  1
32#define OPTARG  2
33
34static struct option long_options[] =
35{
36  { "version",          NOARG,  NULL, 'v' },
37  { "help",             NOARG,  NULL, 'h' },
38  { "mega-hertz",       HASARG, NULL, 'M' },
39  { "kilo-hertz",       HASARG, NULL, 'K' },
40  { "hertz",            HASARG, NULL, 'H' },
41  { 0, 0, 0, 0 }
42};
43#endif
44
45static void shgen_header( FILE *file )
46{
47  fprintf( file,
48    "/*\n * DO NOT EDIT - this file is automatically generated by shgen %s\n",
49    VERSION );
50  fprintf( file,
51    " * Copyright (c) 1998,1999,2000 Ralf Corsepius (corsepiu@faw.uni-ulm.de)\n */\n" );
52  fprintf( file,
53    "\n/* This file is not copyrighted */\n\n" );
54}
55
56int main( int argc, char *argv[] )
57{
58  double        Phi = 20000000.0 ;
59
60#if HAVE_GETOPT_LONG 
61  int option_index = 0 ;
62  while( ( optopt = getopt_long( argc, argv, "M:K:H:hv",
63      long_options, &option_index ) ) > 0 )
64#else
65  while ( ( optopt = getopt( argc, argv, "M:K:H:hv" ) ) > 0 )
66#endif
67  {
68    switch ( optopt )
69    {
70    case 'M' :
71      sscanf( optarg, "%lf", &Phi );
72      Phi = Phi * 1000000.0;
73      break ;
74    case 'K' :
75      sscanf( optarg, "%lf", &Phi );
76      Phi = Phi * 1000.0;
77      break ;
78    case 'H' :
79      sscanf( optarg, "%lf", &Phi );
80      break ;
81    case 'h' :
82      usage( stdout, argv[0] );
83      exit(0);
84    case 'v' :
85      fprintf( stdout, "%s version %s\n", argv[0], VERSION );
86      exit(0);
87    default  :
88      usage( stderr, argv[0] );
89      exit(1);
90      break ;
91    }
92  }
93
94  if ( argc - optind != 1 )
95  {
96    fprintf( stderr, "%s: Missing argument: driver\n", argv[0] );
97    exit(1);
98  }
99 
100  shgen_header( stdout );
101     
102  if ( strcmp( argv[optind], "sci" ) == 0 )
103  {
104    shgen_gensci( stdout, Phi );
105  }
106  else
107  {
108    fprintf( stderr, "%s: Invalid argument: driver\n", argv[0] );
109    exit(1);
110  }
111     
112  return 0 ;
113}
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