diff options
| -rw-r--r-- | src/gsm/Makefile.am | 2 | ||||
| -rw-r--r-- | utils/conv_gen.py | 46 |
2 files changed, 39 insertions, 9 deletions
diff --git a/src/gsm/Makefile.am b/src/gsm/Makefile.am index 4ec441fd..653bdb96 100644 --- a/src/gsm/Makefile.am +++ b/src/gsm/Makefile.am @@ -35,6 +35,6 @@ EXTRA_DIST = libosmogsm.map # Convolutional codes generation gsm0503_conv.c: - $(AM_V_GEN)python2 $(top_srcdir)/utils/conv_gen.py + $(AM_V_GEN)python2 $(top_srcdir)/utils/conv_gen.py gen_codes gsm CLEANFILES = gsm0503_conv.c diff --git a/utils/conv_gen.py b/utils/conv_gen.py index 60580edd..e6eb50cb 100644 --- a/utils/conv_gen.py +++ b/utils/conv_gen.py @@ -23,7 +23,7 @@ mod_license = """ */ """ -import sys, os, math +import sys, os, math, argparse from functools import reduce import conv_codes_gsm @@ -254,13 +254,15 @@ def print_shared(fi, shared_polys): code = ConvolutionalCode(0, polys, name = name) code.print_state_and_output(fi) -def generate_codes(codes, path, prefix): +def generate_codes(codes, path, prefix, name): # Open a new file for writing - f = open(os.path.join(path, prefix + "_conv.c"), 'w') + f = open(os.path.join(path, name), 'w') f.write(mod_license + "\n") f.write("#include <stdint.h>\n") f.write("#include <osmocom/core/conv.h>\n\n") + sys.stderr.write("Generating convolutional codes...\n") + # Print shared tables first if hasattr(codes, "shared_polys"): print_shared(f, codes.shared_polys) @@ -279,12 +281,40 @@ def generate_codes(codes, path, prefix): code.gen_tables(prefix, f, shared_tables = shared) -if __name__ == '__main__': - path = sys.argv[1] if len(sys.argv) > 1 else os.getcwd() +def parse_argv(): + parser = argparse.ArgumentParser() - sys.stderr.write("Generating convolutional codes...\n") + # Positional arguments + parser.add_argument("action", + help = "what to generate", + choices = ["gen_codes"]) + parser.add_argument("family", + help = "convolutional code family", + choices = ["gsm"]) - # Generate GSM specific codes - generate_codes(conv_codes_gsm, path, "gsm0503") + # Optional arguments + parser.add_argument("-p", "--prefix", + help = "internal naming prefix") + parser.add_argument("-n", "--target-name", + help = "target name for generated file") + parser.add_argument("-P", "--target-path", + help = "target path for generated file") + + return parser.parse_args() + +if __name__ == '__main__': + # Parse and verify arguments + argv = parse_argv() + path = argv.target_path or os.getcwd() + + # Determine convolutional code family + if argv.family == "gsm": + codes = conv_codes_gsm + prefix = argv.prefix or "gsm0503" + + # What to generate? + if argv.action == "gen_codes": + name = argv.target_name or prefix + "_conv.c" + generate_codes(codes, path, prefix, name) sys.stderr.write("Generation complete.\n") |