/usr/bin/sw2asc is in geda-gnetlist 1:1.6.2-3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 | #!/usr/bin/mawk -f
#
# gEDA - GPL Electronic Design Automation
#
# Copyright (C) 2003-2010 Dan McMahill
#
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# This is a script to extract out PRINT data from a SWITCAP simulation
# and write it to a format which gwave can read
#
BEGIN {
state_wait = 0;
state_skip_blank = 1;
state_read_data = 2;
state = state_wait;
analysis_none = 0;
analysis_SSS = 1;
analysis_SPECTRUM = 2;
analysis_FREQCOMP = 3;
analysis_TRAN = 4;
analysis = analysis_none;
progn = "sw2asc";
pat = "none";
variable_offset = 0;
nvars = 0;
for(i=1; i<ARGC; i=i+1) {
if(ARGV[i] ~ /^(-c)|(--copyright)$/) {
copyright();
exit 0;
} else if(ARGV[i] ~ /^((-h)|(--help))$/) {
usage();
exit 0;
} else if(ARGV[i] ~ /^((-v)|(--version))$/) {
copyright();
exit 0;
} else if(ARGV[i] ~ /^-.*/) {
printf("Unknown option: ""%s""\n", ARGV[i]) > "/dev/stderr";
usage();
close("/dev/stderr");
exit 1;
}
printf("ARGV[%d] = %s\n", i, ARGV[i]);
}
infile = ARGV[ARGC-1];
copyright();
printf("Loading SWITCAP output file [%s]\n", infile);
}
/^ Sinusoidal Steady State/ {
if( debug ) { printf("Start of SSS analysis\n"); }
analysis = analysis_SSS;
cnt_SSS = cnt_SSS + 1;
fileid = ".SSS." cnt_SSS;
pat = "^[ \t]*frequency";
}
/^ Spectral Analysis$/ {
if( debug ) { printf("Start of SPECTRUM analysis\n"); }
analysis = analysis_SPECTRUM;
cnt_SPECTRUM = cnt_SPECTRUM + 1;
fileid = ".SPECTRUM." cnt_SPECTRUM;
pat = "^not_implemented_yet$";
printf("Ignoring data from SPECTRUM analysis.\n");
printf("I haven't fully worked out how to always parse this\n");
printf("correctly. Please write code to do this!!!\n\n");
}
/^ Spectral Analysis by Components$/ {
if( debug ) { printf("Start of FREQCOMP analysis\n"); }
analysis = analysis_FREQCOMP;
cnt_FREQCOMP = cnt_FREQCOMP + 1;
fileid = ".FREQCOMP." cnt_FREQCOMP;
pat = "^not_implemented_yet$";
printf("Ignoring data from FREQCOMP analysis.\n");
printf("I haven't fully worked out how to always parse this\n");
printf("correctly. Please write code to do this!!!\n\n");
}
/^ Transient Analysis$/ {
if( debug ) { printf("Start of TRAN analysis\n"); }
analysis = analysis_TRAN;
cnt_TRAN = cnt_TRAN + 1;
fileid = ".TRAN." cnt_TRAN;
pat = "^[ \t]*time";
}
/^ Run Report$/ {
if( debug ) { printf("Start of Run Report\n"); }
analysis = analysis_none;
fileid = "none";
pat = "^this_is_the_run_report$";
}
/\*SWITCAP/ {
if( debug ) { printf("Saw *SWITCAP line\n"); }
if( variable_offset > 0 ) {
outf = infile fileid ".asc";
printf("Writing data to ""%s""\n", outf);
printf( "" ) > outf;
for(i = 1; i <= variable_offset; i = i + 1) {
printf("%s ", vnames[i]) >> outf;
}
printf("\n") >> outf;
for(pt = 1; pt < cnt ; pt = pt + 1) {
if( debug > 1) { printf("point #%d: ", pt); }
for(i = 1; i <= variable_offset; i = i + 1) {
printf("%s ", data[i ":" pt]) >> outf;
}
printf("\n") >> outf;
}
close(outf);
variable_offset = 0;
nvars = 0;
for(k in data) { delete data[k]; }
num_analysis = num_analysis + 1;
} else {
if( debug ) { printf("No data to output yet\n"); }
}
next;
}
state == state_wait {
if( $0 ~ pat ) {
if( debug) { printf("state_wait: Variable start line:"); }
for(i=1; i<=NF; i=i+1) {
if( debug ) { printf("\tVariable #%d = %s\n", i, $i); }
vnames[i + variable_offset] = $i;
}
nvars = NF;
if( debug ) { printf("state_wait: moving to state_skip_blank\n") };
state = state_skip_blank;
}
next;
}
state == state_skip_blank {
if( $0 == "" ) {
if( debug) { printf("state_skip_blank: skipping blank line\n"); }
next;
}
cnt = 1;
if( debug ) { printf("state_skip_blank: moving to state_read_data\n") };
state = state_read_data;
}
state == state_read_data {
if( $0 == "" ) {
variable_offset = variable_offset + nvars;
nvars = 0;
if( debug ) { printf("state_read_data: moving to state_wait\n") };
state = state_wait;
next;
}
if( debug > 1 ) { printf("state_read_data: data = %s\n", $0); }
for(i=1; i<=NF; i=i+1) {
gsub(/d$/, "", $i);
data[i+variable_offset ":" cnt] = $i;
}
cnt = cnt + 1;
next;
}
END {
if( debug ) { printf("END. Processed %d analyses.\n", num_analysis); };
}
function copyright() {
printf("gEDA/%s version %s\n", progn, "1.6.2");
printf("gEDA/%s comes with ABSOLUTELY NO WARRANTY; see COPYING for more details.\n", progn);
printf("This is free software, and you are welcome to redistribute it under certain\n");
printf("conditions; please see the COPYING file for more details.\n\n");
}
function usage() {
printf("Usage:\n\n");
printf("\t%s -- -c|--copyright\n", progn);
printf("\t%s -- -h|--help\n", progn);
printf("\t%s -- -v|--version\n", progn);
printf("\t%s switcap.out\n", progn);
printf("\n");
printf("%s process the output file generated by the SWITCAP switched capacitor\n", progn);
printf("circuit simulator. Data generated by SWITCAP ""PRINT"" statements is\n");
printf("extracted and written to an output file in an ASCII format which can be\n");
printf("directly loaded by the gwave waveform viewer or more easily loaded into\n");
printf("a tool such as scilab, octave, grace, or matlab.\n");
printf("\n");
printf("If multiple analyses are in the SWITCAP output file, then they are written\n");
printf("to individual files by %s. The output file names are derived from the input\n", progn);
printf("file name by appending "".{SSS,TRAN}.#.asc"" to the name of the input file.\n");
printf("SSS is used for Sinusoidal Steady State analysis output and TRAN is used for.\n");
printf("TRANsient analysis output. # corresponds to the analysis number (ie if you \n");
printf("have 3 SSS analyses in your file, you will end up with .SSS.1.asc, .SSS.2.asc,\n");
printf("and .SSS.3.asc.\n");
printf("\n");
}
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