Using the SDRPlay

[tleconte]

Using the SDRPlay

[TLeconte]

I did not write the sdrplay code, but from the source you must have a help message with -s if you have compiled with Makefile.sdrplay ...
Something like that :

[-L lnaState] [-G GRdB] [-p ppm] -s f1 [f2] .. [fN]

So perhaps , it's a cleaning problem
rm *.o acarsdec
make -f Makefile.sdrplay
and retry

Perhaps you could ask to the author of sdrplay code https://github.com/JvanKatwijk/acarsdec

[DickvanNoort]

Yes, I realise Jan van Katwijk wrote the code.

This is what I did before and the result:

make -f Makefile.sdrplay clean
make -f Makefile.sdrplay

pi@MYPI-16B:~/acarsdec $ nano  acarsdec.c
pi@MYPI-16B:~/acarsdec $ make -f Makefile.sdrplay clean
pi@MYPI-16B:~/acarsdec $ make -f Makefile.sdrplay
cc -Wall -Ofast -pthread -D WITH_SDRPLAY -I.    -c -o acarsdec.o acarsdec.c
acarsdec.c: In function ‘main’:
acarsdec.c:181:10: warning: implicit declaration of function ‘initSdrplay’ [-Wimplicit-function-declaration]
	res = initSdrplay (argv, optind);
		  ^~~~~~~~~~~
acarsdec.c:297:21: warning: implicit declaration of function ‘runSdrplaySample’ [-Wimplicit-function-declaration]
			   res = runSdrplaySample ();
					 ^~~~~~~~~~~~~~~~
cc -Wall -Ofast -pthread -D WITH_SDRPLAY -I.    -c -o acars.o acars.c
cc -Wall -Ofast -pthread -D WITH_SDRPLAY -I.    -c -o msk.o msk.c
cc -Wall -Ofast -pthread -D WITH_SDRPLAY -I.    -c -o sdrplay.o sdrplay.c
sdrplay.c: In function ‘initSdrplay’:
sdrplay.c:114:10: warning: unused variable ‘i’ [-Wunused-variable]
 uint32_t i;
		  ^
sdrplay.c:111:14: warning: unused variable ‘F0’ [-Wunused-variable]
 unsigned int F0, minFc = 140000000, maxFc = 0;
			  ^~
sdrplay.c:109:5: warning: unused variable ‘r’ [-Wunused-variable]
 int r, n;
	 ^
At top level:
sdrplay.c:91:5: warning: ‘RSPduo_Table’ defined but not used [-Wunused-variable]
 int RSPduo_Table [] = {0, 6, 12, 18, 20, 26, 32, 38, 57, 62};
	 ^~~~~~~~~~~~
cc -Wall -Ofast -pthread -D WITH_SDRPLAY -I.    -c -o rtl.o rtl.c
cc -Wall -Ofast -pthread -D WITH_SDRPLAY -I.    -c -o air.o air.c
cc -Wall -Ofast -pthread -D WITH_SDRPLAY -I.    -c -o output.o output.c
cc -Wall -Ofast -pthread -D WITH_SDRPLAY -I.    -c -o label.o label.c
cc -Wall -Ofast -pthread -D WITH_SDRPLAY -I.    -c -o cJSON.o cJSON.c
cc acarsdec.o acars.o msk.o sdrplay.o rtl.o air.o output.o label.o cJSON.o -o acarsdec.sdrplay -lm -pthread -lmirsdrapi-rsp  -lusb-1.0

So now I did as you suggested with this as result:
pi@MYPI-16B:~ $ cd acarsdec
pi@MYPI-16B:/acarsdec $ rm *.o acarsdec
pi@MYPI-16B:/acarsdec $ make -f Makefile.sdrplay
cc -Wall -Ofast -pthread -D WITH_SDRPLAY -I. -c -o acarsdec.o acarsdec.c
acarsdec.c: In function ‘main’:
acarsdec.c:181:10: warning: implicit declaration of function ‘initSdrplay’ [-Wimplicit-function-declaration]
res = initSdrplay (argv, optind);
^~~~~~~~~~~
acarsdec.c:297:21: warning: implicit declaration of function ‘runSdrplaySample’ [-Wimplicit-function-declaration]
res = runSdrplaySample ();
^~~~~~~~~~~~~~~~
cc -Wall -Ofast -pthread -D WITH_SDRPLAY -I. -c -o acars.o acars.c
cc -Wall -Ofast -pthread -D WITH_SDRPLAY -I. -c -o msk.o msk.c
cc -Wall -Ofast -pthread -D WITH_SDRPLAY -I. -c -o sdrplay.o sdrplay.c
sdrplay.c: In function ‘initSdrplay’:
sdrplay.c:114:10: warning: unused variable ‘i’ [-Wunused-variable]
uint32_t i;
^
sdrplay.c:111:14: warning: unused variable ‘F0’ [-Wunused-variable]
unsigned int F0, minFc = 140000000, maxFc = 0;
^~
sdrplay.c:109:5: warning: unused variable ‘r’ [-Wunused-variable]
int r, n;
^
At top level:
sdrplay.c:91:5: warning: ‘RSPduo_Table’ defined but not used [-Wunused-variable]
int RSPduo_Table [] = {0, 6, 12, 18, 20, 26, 32, 38, 57, 62};
^~~~~~~~~~~~
cc -Wall -Ofast -pthread -D WITH_SDRPLAY -I. -c -o rtl.o rtl.c
cc -Wall -Ofast -pthread -D WITH_SDRPLAY -I. -c -o air.o air.c
cc -Wall -Ofast -pthread -D WITH_SDRPLAY -I. -c -o output.o output.c
cc -Wall -Ofast -pthread -D WITH_SDRPLAY -I. -c -o label.o label.c
cc -Wall -Ofast -pthread -D WITH_SDRPLAY -I. -c -o cJSON.o cJSON.c
cc acarsdec.o acars.o msk.o sdrplay.o rtl.o air.o output.o label.o cJSON.o -o acarsdec.sdrplay -lm -pthread -lmirsdrapi-rsp -lusb-1.0

pi@MYPI-16B:~/acarsdec $ ./acarsdec -s 131.525 131.725 131.825
-bash: ./acarsdec: No such file or directory

It looks like the acarsdec program is not created.
make -f Makefile.rtl
also does not create a program, so I will remove all, start clean and let you know..

[DickvanNoort]

OOPS, the compiled program is not called acarsdec but acarsdec.sdrplay

If this is as expected you might want to update the README.

pi@MYPI-16B:~/acarsdec $ ./acarsdec.sdrplay -v -s 131.525 131.725 131.825
Fc = 131850000, phase = -1.021018 (-325000.000000)
Fc = 131850000, phase = -0.392699 (-125000.000000)
Fc = 131850000, phase = -0.078540 (-25000.000000)
SDRplay_RSPI_VID_1DF7&PID_2500_BUS_001_PORT_002 B0001P0002
SDRplay device selects freq 131850000 and sets 39 as gain reduction
Decoding 3 channels
#3 too long

Not sure what the '#3 too long' means.
But that might become another issue.

Thanks, Dick

[DickvanNoort]

OOPS, the compiled program is not called acarsdec but acarsdec.sdrplay

If this is as expected you might want to update the README.

pi@MYPI-16B:~/acarsdec $ ./acarsdec.sdrplay -v -s 131.525 131.725 131.825
Fc = 131850000, phase = -1.021018 (-325000.000000)
Fc = 131850000, phase = -0.392699 (-125000.000000)
Fc = 131850000, phase = -0.078540 (-25000.000000)
SDRplay_RSPI_VID_1DF7&PID_2500_BUS_001_PORT_002 B0001P0002
SDRplay device selects freq 131850000 and sets 39 as gain reduction
Decoding 3 channels
#3 too long

Not sure what the '#3 too long' means.
But that might become another issue.

Thanks, Dick