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DCF77: Add weather info decoding and coding

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This commit is contained in:
Andreas Eversberg
2022-11-05 10:01:45 +01:00
parent 5ae64a2712
commit 616a5e2820
11 changed files with 2167 additions and 45 deletions
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153
src/dcf77/main.c
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@@ -27,11 +27,14 @@
#include <termios.h>
#include <sched.h>
#include <time.h>
#include <math.h>
#include "../libdebug/debug.h"
#include "../liboptions/options.h"
#include "../libsample/sample.h"
#include "../libsound/sound.h"
#include "../libaaimage/aaimage.h"
#include "dcf77.h"
#include "cities.h"
int num_kanal = 1;
dcf77_t *dcf77 = NULL;
@@ -40,7 +43,17 @@ static const char *dsp_device = "";
static int dsp_samplerate = 192000;
static int dsp_buffer = 50;
static int rx = 0, tx = 0;
static time_t timestamp = -1;
static double timestamp = -1;
static int weather = 0;
static int weather_day;
static int weather_night;
static int extreme;
static int rain;
static int wind_dir;
static int wind_bft;
static int temperature_day;
static int temperature_night;
static int region = -1, region_advance;
static int double_amplitude = 0;
static int test_tone = 0;
static int dsp_interval = 1; /* ms */
@@ -110,8 +123,6 @@ static time_t feierabend_time()
t = get_time();
tm = localtime(&t);
if (!tm)
return -1;
tm->tm_hour = 17;
tm->tm_min = 0;
@@ -148,7 +159,7 @@ void print_help(void)
printf(" -R --rx\n");
printf(" Receive time signal\n");
printf(" -F --fake\n");
printf(" Use given time stamp: <year> <month> <day> <hour> <min< <sec>.\n");
printf(" Use given time stamp: <year> <month> <day> <hour> <min> <sec>.\n");
printf(" All values have to be numerical. The year must have 4 digits.\n");
printf(" --feierabend\n");
printf(" --end-of-working-day\n");
@@ -156,6 +167,29 @@ void print_help(void)
printf(" --geburtstag\n");
printf(" --birthday\n");
printf(" Use fake time stamp that equals birth of the author.\n");
printf(" -W --weather <weather> <extreme> <rain> <wind dir> <wind bft> <temperature>\n");
printf(" Send these weather info for all regions / all days.\n");
printf(" See -L for infos on values.\n");
printf(" weather = 1..15 for common day and night weather.\n");
printf(" weather = 1..15,1..15 for specific day and night weather.\n");
printf(" extreme = 0..15 for extreme weather conditions.\n");
printf(" rain = 0..100 for rain/show probability. (closest is used)\n");
printf(" wind dir = N | NE | E | SE | S | SW | W | NW | 0 for wind direction.\n");
printf(" wind bft = <bft> for wind speed in bft. (closest is used)\n");
printf(" temerature = <celsius> for common min and max temperature.\n");
printf(" temerature = <celsius>,<celsius> for specific min and max temperature.\n");
printf(" --beach-party\n");
printf(" Beach weather, equivalent to -W 1 0 0 0 2 35,20\n");
printf(" --santa-claus\n");
printf(" --muenster-2005\n");
printf(" Deep snow, equivalent to -W 7 1 100 E 3 1,-1\n");
printf(" -A --at-region <region> <advance minutes>\n");
printf(" Alter time, so that the weather of the given region is transmitted.\n");
printf(" To allow the receiver to sync, give time to advance in minutes.\n");
printf(" -L --list\n");
printf(" List all regions / weather values.\n");
printf(" -C --city <name fragment>\n");
printf(" Search for city (case insensitive) and display its region code.\n");
printf(" -D --double-amplitude\n");
printf(" Transmit with double amplitude by using differential stereo output.\n");
printf(" --test-tone\n");
@@ -173,8 +207,11 @@ void print_help(void)
#define OPT_F2 1002
#define OPT_G1 1003
#define OPT_G2 1004
#define OPT_TEST_TONE 1005
#define OPT_FAST_MATH 1006
#define OPT_BEACH 1005
#define OPT_SANTA 1006
#define OPT_MUENSTER 1007
#define OPT_TEST_TONE 1008
#define OPT_FAST_MATH 1009
static void add_options(void)
{
@@ -190,15 +227,25 @@ static void add_options(void)
option_add(OPT_F2, "end-of-working-day", 0);
option_add(OPT_G1, "geburtstag", 0);
option_add(OPT_G2, "birthday", 0);
option_add(OPT_TEST_TONE, "test-tone", 0);
option_add('W', "weather", 6);
option_add(OPT_BEACH, "beach-party", 0);
option_add(OPT_SANTA, "santa-claus", 0);
option_add(OPT_MUENSTER, "muenster-2005", 0);
option_add('A', "at-region", 2);
option_add('L', "list", 0);
option_add('C', "city", 1);
option_add('D', "double-amplitude", 0);
option_add(OPT_TEST_TONE, "test-tone", 0);
option_add('r', "realtime", 1);
option_add(OPT_FAST_MATH, "fast-math", 0);
}
static const char *wind_dirs[8] = { "N", "NE", "E", "SE", "S", "SW", "W", "NW" };
static int handle_options(int short_option, int argi, char **argv)
{
int rc;
char *string, *string1;
int rc, i;
switch (short_option) {
case 'h':
@@ -233,7 +280,6 @@ static int handle_options(int short_option, int argi, char **argv)
break;
case 'F':
timestamp = parse_time(argv + argi);
printf("%ld\n",timestamp);
if (timestamp < 0) {
fprintf(stderr, "Given time stamp is invalid, please use -h for help.\n");
return -EINVAL;
@@ -247,6 +293,79 @@ static int handle_options(int short_option, int argi, char **argv)
case OPT_G2:
timestamp = 115099200 - 70;
break;
case 'W':
if (weather) {
no_multiple_weathers:
fprintf(stderr, "You cannot define more than one weather situation.\n");
return -EINVAL;
}
weather = 1;
string = options_strdup(argv[argi++]);
string1 = strsep(&string, ",");
weather_day = atoi(string1);
if (string)
weather_night = atoi(string);
else
weather_night = weather_day;
extreme = atoi(argv[argi++]);
rain = atoi(argv[argi++]);
/* if wind is not found, wind 8 (changable) is selected */
string = options_strdup(argv[argi++]);
for (i = 0; i < 8; i++) {
if (!strcasecmp(string, wind_dirs[i]))
break;
}
wind_dir = i;
wind_bft = atoi(argv[argi++]);
string = options_strdup(argv[argi++]);
string1 = strsep(&string, ",");
temperature_day = atoi(string1);
if (string)
temperature_night = atoi(string);
else
temperature_night = temperature_day;
break;
case OPT_BEACH:
if (weather)
goto no_multiple_weathers;
weather = 1;
weather_day = 1;
weather_night = 1;
extreme = 0;
rain = 0;
wind_dir = 8;
wind_bft = 2;
temperature_day = 35;
temperature_night = 20; /* tropical night >= 20 */
break;
case OPT_SANTA:
case OPT_MUENSTER:
if (weather)
goto no_multiple_weathers;
weather = 1;
weather_day = 7;
weather_night = 7;
extreme = 0;
rain = 100;
wind_dir = 6;
wind_bft = 3;
temperature_day = 1;
temperature_night = -1; /* freezing a little */
break;
case 'A':
region = atoi(argv[argi++]);
if (region < 0 || region > 89) {
fprintf(stderr, "Given region number is is invalid, please use -L for list of valid regions.\n");
return -EINVAL;
}
region_advance = atoi(argv[argi++]);
break;
case 'L':
list_weather();
return 0;
case 'C':
display_city(argv[argi++]);
return 0;
case OPT_TEST_TONE:
test_tone = 1;
break;
@@ -407,8 +526,20 @@ int main(int argc, char *argv[])
fprintf(stderr, "Failed to create \"DCF77\" instance. Quitting!\n");
goto error;
}
if (weather)
dcf77_set_weather(dcf77, weather_day, weather_night, extreme, rain, wind_dir, wind_bft, temperature_day, temperature_night);
printf("\n");
/* no time stamp given, so we use our clock */
if (tx) {
if (timestamp < 0 && region < 0)
printf("No alternative time given, so you might not notice the difference between our transmission and the real DCF77 transmission.\n");
if (timestamp < 0)
timestamp = get_time();
if (region >= 0 && weather)
timestamp = dcf77_start_weather((time_t)timestamp, region, region_advance);
}
print_aaimage();
printf("DCF77 ready.\n");
/* prepare terminal */
@@ -437,7 +568,7 @@ int main(int argc, char *argv[])
soundif_start();
if (tx)
dcf77_tx_start(dcf77, timestamp);
dcf77_tx_start(dcf77, (time_t)timestamp, fmod(timestamp, 1.0));
while (!quit) {
int w;