yafox
/
minimodem-mirror
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

minimodem 0.2.0

This commit is contained in:
Kamal Mostafa 2011-06-08 14:00:22 -07:00
parent 54f8efde20
commit 439b606a97
17 changed files with 249 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
configure vendored
View File

@ -1,6 +1,6 @@
#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.67 for minimodem 0.1.0.
# Generated by GNU Autoconf 2.67 for minimodem 0.2.0.
#
# Report bugs to <kamal@whence.com>.
#
@ -551,8 +551,8 @@ MAKEFLAGS=
# Identity of this package.
PACKAGE_NAME='minimodem'
PACKAGE_TARNAME='minimodem'
PACKAGE_VERSION='0.1.0'
PACKAGE_STRING='minimodem 0.1.0'
PACKAGE_VERSION='0.2.0'
PACKAGE_STRING='minimodem 0.2.0'
PACKAGE_BUGREPORT='kamal@whence.com'
PACKAGE_URL=''
@ -1203,7 +1203,7 @@ if test "$ac_init_help" = "long"; then
# Omit some internal or obsolete options to make the list less imposing.
# This message is too long to be a string in the A/UX 3.1 sh.
cat <<_ACEOF
\`configure' configures minimodem 0.1.0 to adapt to many kinds of systems.
\`configure' configures minimodem 0.2.0 to adapt to many kinds of systems.
Usage: $0 [OPTION]... [VAR=VALUE]...
@ -1269,7 +1269,7 @@ fi
if test -n "$ac_init_help"; then
case $ac_init_help in
short | recursive ) echo "Configuration of minimodem 0.1.0:";;
short | recursive ) echo "Configuration of minimodem 0.2.0:";;
esac
cat <<\_ACEOF
@ -1362,7 +1362,7 @@ fi
test -n "$ac_init_help" && exit $ac_status
if $ac_init_version; then
cat <<\_ACEOF
minimodem configure 0.1.0
minimodem configure 0.2.0
generated by GNU Autoconf 2.67
Copyright (C) 2010 Free Software Foundation, Inc.
@ -1417,7 +1417,7 @@ cat >config.log <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
It was created by minimodem $as_me 0.1.0, which was
It was created by minimodem $as_me 0.2.0, which was
generated by GNU Autoconf 2.67. Invocation command line was
$ $0 $@
@ -1766,7 +1766,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
VERSION=0.1.0
VERSION=0.2.0
am__api_version='1.11'
@ -2236,7 +2236,7 @@ fi
# Define the identity of the package.
PACKAGE='minimodem'
VERSION='0.1.0'
VERSION='0.2.0'
cat >>confdefs.h <<_ACEOF
@ -4038,7 +4038,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
# report actual input values of CONFIG_FILES etc. instead of their
# values after options handling.
ac_log="
This file was extended by minimodem $as_me 0.1.0, which was
This file was extended by minimodem $as_me 0.2.0, which was
generated by GNU Autoconf 2.67. Invocation command line was
CONFIG_FILES = $CONFIG_FILES
@ -4104,7 +4104,7 @@ _ACEOF
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
ac_cs_version="\\
minimodem config.status 0.1.0
minimodem config.status 0.2.0
configured by $0, generated by GNU Autoconf 2.67,
with options \\"\$ac_cs_config\\"

2
configure.ac
View File

@ -3,7 +3,7 @@ dnl configure.ac Generated by project-setup
dnl
AC_DEFUN([PKG_NAME], [minimodem])
AC_DEFUN([PKG_VERSION], [0.1.0])
AC_DEFUN([PKG_VERSION], [0.2.0])
AC_DEFUN([PKG_AUTHOR], [Kamal Mostafa <kamal@whence.com>])
AC_DEFUN([PKG_BUGS_TO], [kamal@whence.com])

45
src-baudot/baudot.h Normal file
View File

@ -0,0 +1,45 @@
static char
baudot[32][3] = {
// letter, U.S. figs, CCITT No.2 figs (Europe)
{ '*', '*', '*' }, // NUL
{ 'E', '3', '3' },
{ '\n', '\n', '\n' },
{ 'A', '-', '-' },
{ ' ', ' ', ' ' }, // SPACE
{ 'S', '*', '\'' }, // BELL or apostrophe
{ 'I', '8', '8' },
{ 'U', '7', '7' },
{ '\n', '\n', '\n' },
{ 'D', '$', '*' }, // '$' or ENQ
{ 'R', '4', '4' },
{ 'J', '\'', '*' }, // apostrophe or BELL
{ 'N', ',', ',' },
{ 'F', '!', '!' },
{ 'C', ':', ':' },
{ 'K', '(', '(' },
{ 'T', '5', '5' },
{ 'Z', '"', '+' },
{ 'L', ')', ')' },
{ 'W', '2', '2' },
{ 'H', '#', '*' }, // '#' or British pounds symbol // FIXME
{ 'Y', '6', '6' },
{ 'P', '0', '0' },
{ 'Q', '1', '1' },
{ 'O', '9', '9' },
{ 'B', '?', '?' },
{ 'G', '&', '&' },
{ '*', '*', '*' }, // FIGS
{ 'M', '.', '.' },
{ 'X', '/', '/' },
{ 'V', ';', '=' },
{ '*', '*', '*' }, // LTRS
};
#define BAUDOT_LTRS 0x1F
#define BAUDOT_FIGS 0x1B
#define BAUDOT_SPACE 0x04

0
src/tscope.c → src-tscope/tscope.c
View File

0
src/tscope_print.c → src-tscope/tscope_print.c
View File

0
src/tscope_print.h → src-tscope/tscope_print.h
View File

25
src/Makefile.am
View File

@ -1,17 +1,32 @@
#
# Makefile.am
#
# Copyright (C) 2011 Kamal Mostafa <kamal@whence.com>
#
# NO LICENSE HAS BEEN SPECIFIED OR GRANTED FOR THIS WORK.
#
#
AM_CFLAGS = -Wall -Werror
INCLUDES = $(DEPS_CFLAGS)
bin_PROGRAMS = minimodem tscope
bin_PROGRAMS = minimodem
EXTRA_DIST = run-test
SIMPLEAUDIO_SRC = \
simpleaudio.h \
simpleaudio_internal.h \
simpleaudio.c \
simpleaudio-pulse.c \
simpleaudio-sndfile.c
minimodem_LDADD = $(DEPS_LIBS)
minimodem_SOURCES = minimodem.c fsk.c $(SIMPLEAUDIO_SRC)
FSK_SRC = fsk.h fsk.c
minimodem_LDADD = $(DEPS_LIBS)
minimodem_SOURCES = minimodem.c $(FSK_SRC) $(SIMPLEAUDIO_SRC)
tscope_LDADD = $(DEPS_LIBS)
tscope_SOURCES = tscope.c tscope_print.c

38
src/Makefile.in
View File

@ -15,6 +15,15 @@
@SET_MAKE@
#
# Makefile.am
#
# Copyright (C) 2011 Kamal Mostafa <kamal@whence.com>
#
# NO LICENSE HAS BEEN SPECIFIED OR GRANTED FOR THIS WORK.
#
#
VPATH = @srcdir@
pkgdatadir = $(datadir)/@PACKAGE@
pkgincludedir = $(includedir)/@PACKAGE@
@ -32,7 +41,7 @@ POST_INSTALL = :
NORMAL_UNINSTALL = :
PRE_UNINSTALL = :
POST_UNINSTALL = :
bin_PROGRAMS = minimodem$(EXEEXT) tscope$(EXEEXT)
bin_PROGRAMS = minimodem$(EXEEXT)
subdir = src
DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@ -45,16 +54,14 @@ CONFIG_CLEAN_FILES =
CONFIG_CLEAN_VPATH_FILES =
am__installdirs = "$(DESTDIR)$(bindir)"
PROGRAMS = $(bin_PROGRAMS)
am__objects_1 = simpleaudio.$(OBJEXT) simpleaudio-pulse.$(OBJEXT) \
am__objects_1 = fsk.$(OBJEXT)
am__objects_2 = simpleaudio.$(OBJEXT) simpleaudio-pulse.$(OBJEXT) \
simpleaudio-sndfile.$(OBJEXT)
am_minimodem_OBJECTS = minimodem.$(OBJEXT) fsk.$(OBJEXT) \
$(am__objects_1)
am_minimodem_OBJECTS = minimodem.$(OBJEXT) $(am__objects_1) \
$(am__objects_2)
minimodem_OBJECTS = $(am_minimodem_OBJECTS)
am__DEPENDENCIES_1 =
minimodem_DEPENDENCIES = $(am__DEPENDENCIES_1)
am_tscope_OBJECTS = tscope.$(OBJEXT) tscope_print.$(OBJEXT)
tscope_OBJECTS = $(am_tscope_OBJECTS)
tscope_DEPENDENCIES = $(am__DEPENDENCIES_1)
DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
depcomp = $(SHELL) $(top_srcdir)/depcomp
am__depfiles_maybe = depfiles
@ -63,8 +70,8 @@ COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
CCLD = $(CC)
LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
SOURCES = $(minimodem_SOURCES) $(tscope_SOURCES)
DIST_SOURCES = $(minimodem_SOURCES) $(tscope_SOURCES)
SOURCES = $(minimodem_SOURCES)
DIST_SOURCES = $(minimodem_SOURCES)
ETAGS = etags
CTAGS = ctags
DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
@ -158,15 +165,17 @@ top_builddir = @top_builddir@
top_srcdir = @top_srcdir@
AM_CFLAGS = -Wall -Werror
INCLUDES = $(DEPS_CFLAGS)
EXTRA_DIST = run-test
SIMPLEAUDIO_SRC = \
simpleaudio.h \
simpleaudio_internal.h \
simpleaudio.c \
simpleaudio-pulse.c \
simpleaudio-sndfile.c
FSK_SRC = fsk.h fsk.c
minimodem_LDADD = $(DEPS_LIBS)
minimodem_SOURCES = minimodem.c fsk.c $(SIMPLEAUDIO_SRC)
tscope_LDADD = $(DEPS_LIBS)
tscope_SOURCES = tscope.c tscope_print.c
minimodem_SOURCES = minimodem.c $(FSK_SRC) $(SIMPLEAUDIO_SRC)
all: all-am
.SUFFIXES:
@ -241,9 +250,6 @@ clean-binPROGRAMS:
minimodem$(EXEEXT): $(minimodem_OBJECTS) $(minimodem_DEPENDENCIES)
@rm -f minimodem$(EXEEXT)
$(LINK) $(minimodem_OBJECTS) $(minimodem_LDADD) $(LIBS)
tscope$(EXEEXT): $(tscope_OBJECTS) $(tscope_DEPENDENCIES)
@rm -f tscope$(EXEEXT)
$(LINK) $(tscope_OBJECTS) $(tscope_LDADD) $(LIBS)
mostlyclean-compile:
-rm -f *.$(OBJEXT)
@ -256,8 +262,6 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/simpleaudio-pulse.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/simpleaudio-sndfile.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/simpleaudio.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tscope.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tscope_print.Po@am__quote@
.c.o:
@am__fastdepCC_TRUE@ $(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<

9
src/fsk.c
View File

@ -1,3 +1,12 @@
/*
* fsk.c
*
* Copyright (C) 2011 Kamal Mostafa <kamal@whence.com>
*
* NO LICENSE HAS BEEN SPECIFIED OR GRANTED FOR THIS WORK.
*
*/
#include <malloc.h>
#include <string.h>

77
src/fsk.h Normal file
View File

@ -0,0 +1,77 @@
/*
* fsk.h
*
* Copyright (C) 2011 Kamal Mostafa <kamal@whence.com>
*
* NO LICENSE HAS BEEN SPECIFIED OR GRANTED FOR THIS WORK.
*
*/
#define USE_FFT // leave this enabled; its presently the only choice
#ifdef USE_FFT
#include <fftw3.h>
#endif
typedef struct fsk_plan fsk_plan;
struct fsk_plan {
float sample_rate;
float f_mark;
float f_space;
float filter_bw;
unsigned int n_data_bits;
unsigned int n_frame_bits;
#ifdef USE_FFT
int fftsize;
unsigned int nbands;
unsigned int band_width;
unsigned int b_mark;
unsigned int b_space;
fftwf_plan fftplan;
float *fftin;
fftwf_complex *fftout;
#endif
};
fsk_plan *
fsk_plan_new(
float sample_rate,
float f_mark,
float f_space,
float filter_bw,
unsigned int n_data_bits
);
void
fsk_plan_destroy( fsk_plan *fskp );
/* returns confidence value [0.0 to 1.0] */
float
fsk_find_frame( fsk_plan *fskp, float *samples, unsigned int frame_nsamples,
unsigned int try_max_nsamples,
unsigned int try_step_nsamples,
unsigned int *bits_outp,
unsigned int *frame_start_outp
);
int
fsk_detect_carrier(fsk_plan *fskp, float *samples, unsigned int nsamples,
float min_mag_threshold );
void
fsk_set_tones_by_bandshift( fsk_plan *fskp, unsigned int b_mark, int b_shift );
// FIXME move this?:
//#define FSK_DEBUG
#ifdef FSK_DEBUG
# define debug_log(format, args...) fprintf(stderr, format, ## args)
#else
# define debug_log(format, args...)
#endif

12
src/minimodem.c
View File

@ -1,3 +1,12 @@
/*
* minimodem.c
*
* Copyright (C) 2011 Kamal Mostafa <kamal@whence.com>
*
* NO LICENSE HAS BEEN SPECIFIED OR GRANTED FOR THIS WORK.
*
*/
#include <stdio.h>
#include <stdlib.h>
@ -54,8 +63,7 @@ main( int argc, char*argv[] )
#ifdef CARRIER_AUTODETECT_THRESHOLD
unsigned int autodetect_shift = 200;
#endif
// band_width = 10;
band_width = 100; /* close enough */
band_width = 50; /* close enough */
/*
* Bell 202: baud=1200 mark=1200 space=2200

9
src/run-test
View File

@ -1,4 +1,13 @@
#!/bin/bash
#
# run-test
#
# Copyright (C) 2011 Kamal Mostafa <kamal@whence.com>
#
# NO LICENSE HAS BEEN SPECIFIED OR GRANTED FOR THIS WORK.
#
#
TMPDIR=/tmp/run-test-$$
mkdir "$TMPDIR" || exit

9
src/simpleaudio-pulse.c
View File

@ -1,3 +1,12 @@
/*
* simpleaudio-pulse.c
*
* Copyright (C) 2011 Kamal Mostafa <kamal@whence.com>
*
* NO LICENSE HAS BEEN SPECIFIED OR GRANTED FOR THIS WORK.
*
*/
#include <stdio.h>
#include <malloc.h>

9
src/simpleaudio-sndfile.c
View File

@ -1,3 +1,12 @@
/*
* simpleaudio-sndfile.c
*
* Copyright (C) 2011 Kamal Mostafa <kamal@whence.com>
*
* NO LICENSE HAS BEEN SPECIFIED OR GRANTED FOR THIS WORK.
*
*/
#include <stdio.h>
#include <malloc.h>

9
src/simpleaudio.c
View File

@ -1,3 +1,12 @@
/*
* simpleaudio.c
*
* Copyright (C) 2011 Kamal Mostafa <kamal@whence.com>
*
* NO LICENSE HAS BEEN SPECIFIED OR GRANTED FOR THIS WORK.
*
*/
#include "simpleaudio.h"
#include "simpleaudio_internal.h"
#include "malloc.h"

9
src/simpleaudio.h
View File

@ -1,3 +1,12 @@
/*
* simpleaudio.h
*
* Copyright (C) 2011 Kamal Mostafa <kamal@whence.com>
*
* NO LICENSE HAS BEEN SPECIFIED OR GRANTED FOR THIS WORK.
*
*/
#ifndef SIMPLEAUDIO_H
#define SIMPLEAUDIO_H

9
src/simpleaudio_internal.h
View File

@ -1,3 +1,12 @@
/*
* simpleaudio_internal.h
*
* Copyright (C) 2011 Kamal Mostafa <kamal@whence.com>
*
* NO LICENSE HAS BEEN SPECIFIED OR GRANTED FOR THIS WORK.
*
*/
#ifndef SIMPLEAUDIO_INTERNAL_H
#define SIMPLEAUDIO_INTERNAL_H