1 | /* |
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2 | * Copyright (c) 1998,1999,2000, 2006 Ralf Corsepius, Ulm Germany. |
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3 | * |
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4 | * See the file COPYING for copyright notice. |
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5 | */ |
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6 | |
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7 | #include <stdio.h> |
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8 | #include <string.h> /* strcmp, strerror */ |
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9 | #include <stdlib.h> /* exit */ |
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10 | #include <errno.h> |
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11 | #include <getopt.h> |
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12 | |
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13 | #include "sci.h" |
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14 | |
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15 | static void usage( FILE* ofile, char *prog ) |
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16 | { |
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17 | fprintf( ofile, "Usage: %s [options] driver\n", prog ); |
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18 | fprintf( ofile, "\nOptions:\n" ); |
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19 | fprintf( ofile, "Processor frequency (default 20MHz):\n") ; |
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20 | fprintf( ofile, "\t-M Phi .. processor frequency [MHz]\n" ); |
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21 | fprintf( ofile, "\t-K Phi .. processor frequency [KHz]\n" ); |
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22 | fprintf( ofile, "\t-H Phi .. processor frequency [Hz]\n" ); |
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23 | fprintf( ofile, "Driver:\n" ); |
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24 | fprintf( ofile, "\tsci .. bitrate table for sci\n" ); |
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25 | |
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26 | fprintf( ofile, "\nWritten by Ralf Corsepius <corsepiu@faw.uni-ulm.de>\n" ); |
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27 | fprintf( ofile, "\nCopyright (c) 1998,1999,2000\tRalf Corsepius\n" ); |
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28 | } |
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29 | |
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30 | #if HAVE_GETOPT_LONG |
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31 | #define NOARG 0 |
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32 | #define HASARG 1 |
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33 | #define OPTARG 2 |
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34 | |
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35 | static struct option long_options[] = |
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36 | { |
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37 | { "version", NOARG, NULL, 'v' }, |
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38 | { "help", NOARG, NULL, 'h' }, |
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39 | { "mega-hertz", HASARG, NULL, 'M' }, |
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40 | { "kilo-hertz", HASARG, NULL, 'K' }, |
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41 | { "hertz", HASARG, NULL, 'H' }, |
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42 | { 0, 0, 0, 0 } |
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43 | }; |
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44 | #endif |
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45 | |
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46 | static void shgen_header( FILE *file ) |
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47 | { |
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48 | fprintf( file, |
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49 | "/*\n * DO NOT EDIT - this file is automatically generated by shgen %s\n", |
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50 | VERSION ); |
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51 | fprintf( file, |
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52 | " * Copyright (c) 1998,1999,2000 Ralf Corsepius (corsepiu@faw.uni-ulm.de)\n */\n" ); |
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53 | fprintf( file, |
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54 | "\n/* This file is not copyrighted */\n\n" ); |
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55 | } |
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56 | |
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57 | int main( int argc, char *argv[] ) |
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58 | { |
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59 | double Phi = 20000000.0 ; |
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60 | |
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61 | #if HAVE_GETOPT_LONG |
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62 | int option_index = 0 ; |
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63 | while( ( optopt = getopt_long( argc, argv, "M:K:H:hv", |
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64 | long_options, &option_index ) ) > 0 ) |
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65 | #else |
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66 | while ( ( optopt = getopt( argc, argv, "M:K:H:hv" ) ) > 0 ) |
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67 | #endif |
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68 | { |
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69 | switch ( optopt ) |
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70 | { |
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71 | case 'M' : |
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72 | sscanf( optarg, "%lf", &Phi ); |
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73 | Phi = Phi * 1000000.0; |
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74 | break ; |
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75 | case 'K' : |
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76 | sscanf( optarg, "%lf", &Phi ); |
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77 | Phi = Phi * 1000.0; |
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78 | break ; |
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79 | case 'H' : |
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80 | sscanf( optarg, "%lf", &Phi ); |
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81 | break ; |
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82 | case 'h' : |
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83 | usage( stdout, argv[0] ); |
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84 | exit(0); |
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85 | case 'v' : |
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86 | fprintf( stdout, "%s version %s\n", argv[0], VERSION ); |
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87 | exit(0); |
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88 | default : |
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89 | usage( stderr, argv[0] ); |
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90 | exit(1); |
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91 | break ; |
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92 | } |
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93 | } |
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94 | |
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95 | if ( argc - optind != 1 ) |
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96 | { |
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97 | fprintf( stderr, "%s: Missing argument: driver\n", argv[0] ); |
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98 | exit(1); |
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99 | } |
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100 | |
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101 | shgen_header( stdout ); |
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102 | |
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103 | if ( strcmp( argv[optind], "sci" ) == 0 ) |
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104 | { |
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105 | shgen_gensci( stdout, Phi ); |
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106 | } |
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107 | else |
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108 | { |
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109 | fprintf( stderr, "%s: Invalid argument: driver\n", argv[0] ); |
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110 | exit(1); |
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111 | } |
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112 | |
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113 | return 0 ; |
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114 | } |
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