changed for continuous SSTV to avoid frequency changing

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")