s8 get_temperature_3wire(){
u8 buf[2];
if(OW_Send(OW_SEND_RESET, (u8 *)"\xcc\x44", 2, 0, 0, OW_NO_READ) == OW_NO_DEVICE)
{return 0;}
#if DS18B20_RESOLUTION == DS18B20_9BIT
delay_for(100);
#endif
#if DS18B20_RESOLUTION == DS18B20_10BIT
delay_for(200);
#endif
#if DS18B20_RESOLUTION == DS18B20_11BIT
delay_for(400);
#endif
#if DS18B20_RESOLUTION == DS18B20_12BIT
delay_for(750);
#endif
OW_Send(OW_SEND_RESET, (u8 *)"\xcc\xbe\xff\xff", 4, (u8 *)buf, 2, 2);
buf[0] >>= 4; // убираем дробную часть
buf[1] <<= 4; // убираем лишние знаки
return(buf[1] | buf[0]); // объединяем 2 байта -> возврат
}
//не отлажено на железе!!!
void get_temperature_2wire(int *hb, int *lb){
//команда всем сенсорам - измерять
if(OW_Send(OW_SEND_RESET, (u8 *)"\xcc\x44", 2, 0, 0, OW_NO_READ)==OW_NO_DEVICE)
{return;}
//PIN_ON(LED_GREEN);
// назначаем функцию двухтактного выхода - подаем "питание" на шину
OW_out_set_as_Power_pin();
// выдерживаем время измерения (например 750 мс для 12-битного измерения)
#if DS18B20_RESOLUTION == DS18B20_9BIT
delay_for(100);
#endif
#if DS18B20_RESOLUTION == DS18B20_10BIT
delay_for(200);
#endif
#if DS18B20_RESOLUTION == DS18B20_11BIT
delay_for(400);
#endif
#if DS18B20_RESOLUTION == DS18B20_12BIT
delay_for(750);
#endif
// восстанавливаем функцию передатчика UART
OW_out_set_as_TX_pin();
u8 buf[2];
OW_Send(OW_SEND_RESET, (u8 *)"\xcc\xbe\xff\xff", 4, (u8 *)buf, 2, 2);
#if 0
buf[0] >>= 4; // убираем дробную часть
buf[1] <<= 4; // убираем лишние знаки
return(buf[1] | buf[0]); // объединяем 2 байта -> возврат
#endif
get_temperature_value(buf, *hb, *lb);
}
int
main(int argc, char *argv[])
{
FILE *tfile, *sfile;
const char *sname = NULL, *tname = NULL;
double divi = 1, maxdelay = 0;
int c, diviopt = FALSE, maxdelayopt = FALSE, idx;
unsigned long line;
int ch;
static const struct option longopts[] = {
{ "timing", required_argument, 0, 't' },
{ "typescript", required_argument, 0, 's' },
{ "divisor", required_argument, 0, 'd' },
{ "maxdelay", required_argument, 0, 'm' },
{ "version", no_argument, 0, 'V' },
{ "help", no_argument, 0, 'h' },
{ NULL, 0, 0, 0 }
};
/* Because we use space as a separator, we can't afford to use any
* locale which tolerates a space in a number. In any case, script.c
* sets the LC_NUMERIC locale to C, anyway.
*/
setlocale(LC_ALL, "");
setlocale(LC_NUMERIC, "C");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
atexit(close_stdout);
while ((ch = getopt_long(argc, argv, "t:s:d:m:Vh", longopts, NULL)) != -1)
switch(ch) {
case 't':
tname = optarg;
break;
case 's':
sname = optarg;
break;
case 'd':
diviopt = TRUE;
divi = getnum(optarg);
break;
case 'm':
maxdelayopt = TRUE;
maxdelay = getnum(optarg);
break;
case 'V':
printf(UTIL_LINUX_VERSION);
exit(EXIT_SUCCESS);
case 'h':
usage(stdout);
default:
usage(stderr);
}
argc -= optind;
argv += optind;
idx = 0;
if ((argc < 1 && !tname) || argc > 3) {
warnx(_("wrong number of arguments"));
usage(stderr);
}
if (!tname)
tname = argv[idx++];
if (!sname)
sname = idx < argc ? argv[idx++] : "typescript";
if (!diviopt)
divi = idx < argc ? getnum(argv[idx]) : 1;
if (maxdelay < 0)
maxdelay = 0;
tfile = fopen(tname, "r");
if (!tfile)
err(EXIT_FAILURE, _("cannot open %s"), tname);
sfile = fopen(sname, "r");
if (!sfile)
err(EXIT_FAILURE, _("cannot open %s"), sname);
/* ignore the first typescript line */
while((c = fgetc(sfile)) != EOF && c != '\n');
for(line = 0; ; line++) {
double delay;
size_t blk;
char nl;
if (fscanf(tfile, "%lf %zu%c\n", &delay, &blk, &nl) != 3 ||
nl != '\n') {
if (feof(tfile))
break;
if (ferror(tfile))
err(EXIT_FAILURE,
_("failed to read timing file %s"), tname);
errx(EXIT_FAILURE,
_("timings file %s: %lu: unexpected format"),
tname, line);
}
delay /= divi;
if (maxdelayopt && delay > maxdelay)
delay = maxdelay;
if (delay > SCRIPT_MIN_DELAY)
delay_for(delay);
emit(sfile, sname, blk);
}
fclose(sfile);
fclose(tfile);
printf("\n");
exit(EXIT_SUCCESS);
}
int
main(int argc, char *argv[])
{
FILE *tfile, *sfile;
const char *sname, *tname;
double divi;
int c;
unsigned long line;
size_t oldblk = 0;
/* Because we use space as a separator, we can't afford to use any
* locale which tolerates a space in a number. In any case, script.c
* sets the LC_NUMERIC locale to C, anyway.
*/
setlocale(LC_ALL, "");
setlocale(LC_NUMERIC, "C");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
if (argc < 2 && argc > 4)
usage(EXIT_FAILURE);
tname = argv[1];
sname = argc > 2 ? argv[2] : "typescript";
divi = argc == 4 ? getnum(argv[3]) : 1;
tfile = fopen(tname, "r");
if (!tfile)
err(EXIT_FAILURE, _("cannot open timing file %s"), tname);
sfile = fopen(sname, "r");
if (!sfile)
err(EXIT_FAILURE, _("cannot open typescript file %s"), sname);
/* ignore the first typescript line */
while((c = fgetc(sfile)) != EOF && c != '\n');
for(line = 0; ; line++) {
double delay;
size_t blk;
char nl;
if ((fscanf(tfile, "%lf %zd%[\n]\n", &delay, &blk, &nl) != 3) ||
(nl != '\n')) {
if (feof(tfile))
break;
if (ferror(tfile))
err(EXIT_FAILURE,
_("failed to read timing file %s"), tname);
errx(EXIT_FAILURE,
_("timings file %s: %lu: unexpected format"),
tname, line);
}
delay /= divi;
if (delay > SCRIPT_MIN_DELAY)
delay_for(delay);
if (oldblk)
emit(sfile, sname, oldblk);
oldblk = blk;
}
fclose(sfile);
fclose(tfile);
exit(EXIT_SUCCESS);
}