From 062f37f55832146171837455d74e8ee6ce9e6d16 Mon Sep 17 00:00:00 2001 From: alanbjohnston Date: Sat, 15 Aug 2020 09:39:35 -0400 Subject: [PATCH] changed for continuous SSTV to avoid frequency changing --- rpitx.py | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/rpitx.py b/rpitx.py index ba90e7e0..4b45a87d 100644 --- a/rpitx.py +++ b/rpitx.py @@ -51,14 +51,14 @@ if __name__ == "__main__": time.sleep(5) elif (('s' == sys.argv[1]) or ('sstv' in sys.argv[1])): print("SSTV") -# os.system("(while true; do (sleep 10 && cat /home/pi/CubeSatSim/wav/sstv.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f 434.9e3); done)") - while True: - GPIO.output(txLed, txLedOff); - print("Sleeping") - time.sleep(10) - print("Transmitting SSTV") - GPIO.output(txLed, txLedOn); - os.system("cat /home/pi/CubeSatSim/wav/sstv.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f 434.9e3") + os.system("(while true; do (sleep 5 && cat /home/pi/CubeSatSim/wav/sstv.wav); done) | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f 434.9e3") +# while True: +# GPIO.output(txLed, txLedOff); +# print("Sleeping") +# time.sleep(10) +# print("Transmitting SSTV") +# GPIO.output(txLed, txLedOn); +# os.system("cat /home/pi/CubeSatSim/wav/sstv.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f 434.9e3") elif (('b' == sys.argv[1]) or ('bpsk' in sys.argv[1])): print("BPSK") os.system("sudo nc -l 8080 | csdr convert_i16_f | csdr fir_interpolate_cc 2 | csdr dsb_fc | csdr bandpass_fir_fft_cc 0.002 0.06 0.01 | csdr fastagc_ff | sudo /home/pi/rpitx/sendiq -i /dev/stdin -s 96000 -f 434.9e6 -t float")