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75 lines
2.6 KiB
75 lines
2.6 KiB
#!/usr/bin/env python
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import RPi.GPIO as GPIO
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import subprocess
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import time
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import os
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import sys
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GPIO.setmode(GPIO.BCM)
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GPIO.setwarnings(False)
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GPIO.setup(27, GPIO.IN, pull_up_down=GPIO.PUD_UP)
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GPIO.setup(12, GPIO.IN, pull_up_down=GPIO.PUD_UP)
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transmit = False
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if GPIO.input(12) == False:
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transmit = True
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if GPIO.input(27) == False:
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transmit = True
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txLed = 22
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txLedOn = False
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txLedOff = True
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else:
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txLed = 27
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txLedOn = True
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txLedOff = False
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GPIO.setup(txLed, GPIO.OUT)
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print(transmit)
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file = open("/home/pi/CubeSatSim/sim.cfg")
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callsign = file.readline().split(" ")[0]
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print(callsign)
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GPIO.output(txLed, txLedOn);
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os.system("echo 'de " + callsign + "' > id.txt && gen_packets -M 20 id.txt -o morse.wav -r 48000 > /dev/null 2>&1 && cat morse.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo /home/pi/rpitx/rpitx -i- -m RF -f 434.9e3")
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GPIO.output(txLed, txLedOff);
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time.sleep(2)
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if __name__ == "__main__":
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if (transmit):
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print 'Length: ', len(sys.argv)
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if (len(sys.argv)) > 1:
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# print("There are arguments!")
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if (('a' == sys.argv[1]) or ('afsk' in sys.argv[1])):
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print("AFSK")
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while True:
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time.sleep(5)
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elif (('s' == sys.argv[1]) or ('sstv' in sys.argv[1])):
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print("SSTV")
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# os.system("(while true; do (sleep 10 && cat /home/pi/sstv/sstv.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f 434.9e3); done)")
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while True:
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GPIO.output(txLed, txLedOff);
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print("Sleeping")
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time.sleep(10)
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print("Transmitting SSTV")
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GPIO.output(txLed, txLedOn);
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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")
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elif (('b' == sys.argv[1]) or ('bpsk' in sys.argv[1])):
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print("BPSK")
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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")
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else:
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print("FSK")
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os.system("sudo nc -l 8080 | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo /home/pi/rpitx/rpitx -i- -m RF -f 434.9e3")
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else:
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print("FSK")
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os.system("sudo nc -l 8080 | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo /home/pi/rpitx/rpitx -i- -m RF -f 434.9e3")
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else:
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print("No Band Pass Filter so no telemetry transmit. See http://cubesatsim.org/wiki for instructions on how to build the BPF.")
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while True:
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time.sleep(5)
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