From 98f5d40e849f36396b29ed86363ee6f8282dba5d Mon Sep 17 00:00:00 2001 From: Alan Johnston Date: Sun, 30 Jul 2023 11:41:55 -0400 Subject: [PATCH] turn on FM rx for FSK and BPSK modes --- rpitx.py | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/rpitx.py b/rpitx.py index 93669270..1878776a 100644 --- a/rpitx.py +++ b/rpitx.py @@ -371,29 +371,37 @@ if __name__ == "__main__": sleep(1) elif (mode == 'b'): print("BPSK") + print("turn on FM rx") + output(pd, 1) + output(ptt, 1) 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 &") - print("Turning LED on/off") + print("Turning LED on/off and listening for carrier") while 1: output(txLed, txLedOff) sleep(0.5) if GPIO.input(squelch) == False: + print("carrier received!") command_tx = ~command_tx print(command_tx) output(txLed, txLedOn) sleep(4.0) else: print("FSK") + print("turn on FM rx") + output(pd, 1) + output(ptt, 1) 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 &") - print("Turning LED on/off") + print("Turning LED on/off and listening for carrier") while 1: output(txLed, txLedOff) sleep(0.5) if GPIO.input(squelch) == False: + print("carrier received!") command_tx = ~command_tx print(command_tx) output(txLed, txLedOn) sleep(4.0) else: - print("No Band Pass Filter so no telemetry transmit. See http://cubesatsim.org/wiki for instructions on how to build the BPF.") + print("No Low Pass Filter so no telemetry transmit. See http://cubesatsim.org/wiki for instructions on how to build the BPF.") while 1: sleep(5)