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Add NTP shared memory key option. #10

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merged 1 commit into from
May 5, 2022
Merged

Add NTP shared memory key option. #10

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26 changes: 24 additions & 2 deletions main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -126,7 +126,7 @@ void
usage (void)
{
printf (
"Usage: radioclkd2 [ -s poll|iwait|timepps ] [ -t dcf77|msf|wwvb ] [ -d ] [ -v ] tty[:[-]line[:fudgeoffs]] ...\n"
"Usage: radioclkd2 [ -s poll|iwait|timepps ] [ -t dcf77|msf|wwvb ] [ -n <shm start unit> ] [ -d ] [ -v ] tty[:[-]line[:fudgeoffs]] ...\n"
" -s poll: poll the serial port 1000 times/sec (poor)\n"
" -s iwait: wait for serial port interrupts (ok)\n"
" -s timepps: use the timepps interface (good)\n"
Expand All @@ -145,6 +145,7 @@ usage (void)
" -t dcf77: 77.5KHz Germany/Europe DCF77 Radio Station (default)\n"
" -t msf: UK 60KHz MSF Radio Station\n"
" -t wwvb: US 60KHz WWVB Fort Collins Radio Station\n"
" -n shm#: NTP shared memory start unit - default is 0\n"
" -d: debug mode. runs in the foreground and print pulses\n"
" -v: verbose mode.\n"
" tty: serial port for clock\n"
Expand Down Expand Up @@ -241,7 +242,6 @@ main ( int argc, char** argv )
argv++;
parm = argv[0];
}

if ( strcasecmp ( parm, "dcf77" ) == 0 )
clocktype = CLOCKTYPE_DCF77;
else if ( strcasecmp ( parm, "msf" ) == 0 )
Expand All @@ -260,6 +260,28 @@ main ( int argc, char** argv )
verboseLevel ++;
break;

case 'n':
if ( strlen(arg) > 2 )
{
parm = arg + 2;
}
else
{
argc--;
argv++;
parm = argv[0];
}

if ( strcasecmp ( parm, "0" ) == 0 )
shmunit = 0;
else if ( strcasecmp ( parm, "1" ) == 0 )
shmunit = 1;
else if ( strcasecmp ( parm, "2" ) == 0 )
shmunit = 2;
else
usage();
break;

default:
usage();
break;
Expand Down