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Refactor GPIO handling with output and input functions

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Refactor GPIO handling by creating output and input functions. Replace direct GPIO calls with these functions for better abstraction and error handling.
master-b-gpio
Alan Johnston 1 month ago committed by GitHub
parent 0597f66c16
commit ad3a12e4a1
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GPG Key ID: B5690EEEBB952194
1 changed files with 168 additions and 234 deletions
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382
transmit.py
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@ -1,7 +1,7 @@
#!/usr/bin/env python
import RPi.GPIO as GPIO
from RPi.GPIO import output
#import RPi.GPIO as GPIO
#from RPi.GPIO import output
#import subprocess
import time
from time import sleep
@ -14,6 +14,41 @@ import serial
import random
import subprocess
def output(pin, value):
command = "gpio -g write " + str(pin) + " " + str(value)
system(command)
def input(pin):
# command = "gpio -g read " + str(pin)
query = ["gpio", "-g", "read", str(pin)] # Read GPIO pin
try:
result = subprocess.run(query, capture_output=True, text=True, check=True)
print(f"Command run was: {query}")
print("Sucess!")
print(f"Output of the command (stdout): {result}")
return result
except subprocess.CalledProcessError as e:
print(f"Command failed with return code: {e.returncode}")
print(f"Command run was: {e.cmd}")
print(f"Output of the command (stdout): {e.stdout}")
print(f"Error output of the command (stderr): {e.stderr}")
return 0
def setup(pin, config):
if config == "in" or config == "out" or config == "up" or config == "down":
command = "gpio -g mode " + str(powerPin) + " " + config
system(command)
else
print(f"Unknown GPIO setup configuration: {config}")
def blink(times):
powerPin = 16
for i in range(times):
system("gpio -g write " + str(powerPin) + " 0") # blink two times
sleep(0.1)
system("gpio -g write " + str(powerPin) + " 1")
sleep(0.1)
def sim_failure_check():
try:
global card
@ -46,7 +81,6 @@ def sim_failure_check():
except:
print("No failure mode")
card = "Headphones"
# card = "Device"
if sim_config:
sim_mode = True
@ -65,9 +99,9 @@ def battery_saver_check():
def blink(times):
powerPin = 16
for i in range(times):
system("gpio -g write " + str(powerPin) + " 0") # blink two times
output(powerPin, 0) # blink
sleep(0.1)
system("gpio -g write " + str(powerPin) + " 1")
output(powerPin, 1)
sleep(0.1)
def increment_mode():
@ -114,13 +148,13 @@ def increment_mode():
file.close()
print(".mode file written")
GPIO.setwarnings(False)
system("gpio -g write " + str(txLed) + " 0")
system("gpio -g write " + str(powerPin) + " 0")
# GPIO.setwarnings(False)
output(txLed, 0)
output(powerPin, 0)
print("sudo reboot -h now")
GPIO.setwarnings(False)
system("gpio -g mode " + str(powerPin) + " out")
system("gpio -g write " + str(powerPin) + " 0");
# GPIO.setwarnings(False)
setup(powerPin, "out")
output(powerPin, 0);
# system("reboot -h now")
# release = True;
@ -193,70 +227,54 @@ powerPin = 16
command_tx = True
try:
system("gpio -g write " + str(powerPin) + " 1")
GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)
GPIO.setup(13, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(12, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(txc_pin, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(green, GPIO.OUT)
GPIO.setup(27, GPIO.IN)
except:
print("gpio setup problem")
system("gpio -g mode 27 IN")
try:
GPIO.setup(27, GPIO.IN, pull_up_down=GPIO.PUD_UP)
except:
print("Can't set txLed")
setup(13, "up")
setup(12, "up")
setup(27, "up")
setup(txc_pin, "up")
setup(green, "out")
output(powerPin, 1)
transmit = False
txLed = 27
# txLed = 17
txLedOn = 1
txLedOff = 0
if GPIO.input(12) == False:
1 = 1
0 = 0
if input(12) == False:
print("LPF present")
transmit = True
else:
print("No LPF")
# system("gpio -g mode " + str(txLed) + " out")
# system("gpio -g write " + str(txLed) + " 0")
# GPIO.setup(txLed, GPIO.OUT)
# output(txLed, 0)
GPIO.setmode(GPIO.BCM) # Repeat to make LED work on Pi 4
GPIO.setwarnings(False)
try:
system("gpio -g mode " + str(txLed) + " out")
except:
print("Can't set txLed")
# GPIO.setmode(GPIO.BCM) # Repeat to make LED work on Pi 4
# GPIO.setwarnings(False)
setup(txLed, "out")
GPIO.setup(pd, GPIO.OUT)
setup(pd, "out")
#output(pd, 1)
output(pd, 0)
GPIO.setup(ptt, GPIO.OUT)
setup(ptt, "out")
output (ptt, 1)
txc = False
if GPIO.input(txc_pin) == False:
if input(txc_pin) == False:
print("TXC is present")
txc = True;
else:
print("TXC not present")
# txc = False # forcing it off
try:
system("gpio -g write " + str(txLed) + " 1")
output(txLed, 1)
sleep(1)
system("gpio -g write " + str(txLed) + " 0")
except:
print("Can't set txLed")
output(txLed, 0)
battery_saver_check()
# print(txLedOn)
# print(1)
print(txLed)
# GPIO.setup(27, GPIO.OUT)
# GPIO.output(27, 0)
@ -440,10 +458,10 @@ if __name__ == "__main__":
try:
f = open("/home/pi/CubeSatSim/command_control", "r")
f.close()
GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)
GPIO.setup(squelch, GPIO.IN, pull_up_down=GPIO.PUD_UP) ## pull up in case pin is not connected
if GPIO.input(squelch) == False:
# GPIO.setmode(GPIO.BCM)
# GPIO.setwarnings(False)
setup(squelch, "up") ## pull up in case pin is not connected
if input(squelch) == False:
print("squelch not set correctly, no command input!")
else:
if (mode != 'n') and (mode != 'x'):
@ -458,34 +476,13 @@ if __name__ == "__main__":
print(callsign)
GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi 4
try:
print(txLed)
print(txLedOn)
system("gpio -g mode " + str(txLed) + " out")
except:
print("Can't set txLed")
# card = "Headphones" # default using pcm audio output of Pi Zero
card = "Device" # using USB sound card for audio output
# GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi 4
# print(txLed)
# print(1)
setup(txLed, "out")
query = ["grep", "VERSION_CODENAME=bullseye", "/etc/os-release"]
try:
result = subprocess.run(query, capture_output=True, text=True, check=True)
print(f"Command run was: {query}")
os_status = result.stdout.strip()
print(f"Output of the command (stdout): {os_status}")
except subprocess.CalledProcessError as e:
# print(f"Command failed with return code: {e.returncode}")
print(f"Command run was: {e.cmd}")
os_status = e.stdout.strip()
print(f"Output of the command (stdout): {e.stdout}")
# print(f"Error output of the command (stderr): {e.stderr}")
if os_status != "VERSION_CODENAME=bullseye":
os_status = "bookworm"
else:
os_status = "bullseye"
print (os_status)
card = "Headphones" # default using pcm audio output of Pi Zero
# card = "Device" # using USB sound card for audio output
query = ["sudo", "systemctl", "is-active", "gpsd.socket"]
try:
@ -532,12 +529,9 @@ if __name__ == "__main__":
print("Don't transmit CW ID since APRS HAB mode is active")
else:
if (((mode == 'a') or (mode == 'b') or (mode == 'f') or (mode == 's') or (mode == 'j')) and (command_tx == True) and (skip == False)) or ((mode == 'e') and (command_tx == True)): # battery_saver_mode
GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
try:
system("gpio -g mode " + str(txLed) + " out")
system("gpio -g write " + str(txLed) + " 1")
except:
print("Can't set txLed")
# GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
setup(txLed, "out")
output(txLed, 1)
print("Transmit CW ID")
status = ""
if not no_command:
@ -548,10 +542,7 @@ if __name__ == "__main__":
system("echo 'hi hi de " + callsign + status + "' > id.txt && gen_packets -M 20 /home/pi/CubeSatSim/id.txt -o /home/pi/CubeSatSim/morse.wav -r 48000 > /dev/null 2>&1 && cat /home/pi/CubeSatSim/morse.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo /home/pi/rpitx/rpitx -i- -m RF -f " + tx + "e3")
else:
system("echo 'hi hi de " + callsign + status + "' > id.txt && gen_packets -M 20 /home/pi/CubeSatSim/id.txt -o /home/pi/CubeSatSim/morse.wav -r 48000 > /dev/null 2>&1 && cat /home/pi/CubeSatSim/morse.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo /home/pi/rpitx/rpitx -i- -m RF -f " + tx + "e3 > /dev/null 2>&1")
try:
system("gpio -g write " + str(txLed) + " 0")
except:
print("Can't set txLed")
output(txLed, 0)
sleep(1)
else:
@ -570,7 +561,7 @@ if __name__ == "__main__":
if (mode == 'a'):
print("AFSK")
else:
# system("gpio -g write " + str(powerPin) + " 0")
# GPIO.output(powerPin, 0)
print("Transmit APRS Commands")
system("sudo systemctl stop command")
# while True:
@ -587,12 +578,9 @@ if __name__ == "__main__":
system("gen_packets -o /home/pi/CubeSatSim/telem.wav /home/pi/CubeSatSim/t.txt -r 48000 > /dev/null 2>&1")
system("cat /home/pi/CubeSatSim/t.txt")
if (command_tx == True):
GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
try:
system("gpio -g mode " + str(txLed) + " out")
system("gpio -g write " + str(txLed) + " 1")
except:
print("Can't set txLed")
# GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
setup(txLed, "out")
output(txLed, 1)
# output(pd, 1)
# output (ptt, 0)
# sleep(.1)
@ -618,10 +606,7 @@ if __name__ == "__main__":
sleep(0.1)
# output (ptt, 1)
# output(pd, 0)
try:
system("gpio -g write " + str(txLed) + " 0")
except:
print("Can't set txLed")
output(txLed, 0)
system("sudo rm /home/pi/CubeSatSim/ready")
f.close()
@ -651,12 +636,9 @@ if __name__ == "__main__":
system(command)
## chan = chan + 1
if (command_tx == True):
GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
system("gpio -g mode " + str(txLed) + " out")
try:
system("gpio -g write " + str(txLed) + " 1")
except:
print("Can't set txLed")
# GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
setup(txLed, "out")
output(txLed, 1)
if (txc):
sim_failure_check()
@ -672,10 +654,7 @@ if __name__ == "__main__":
system("cat /home/pi/CubeSatSim/morse.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo /home/pi/rpitx/rpitx -i- -m RF -f " + tx + "e3")
else:
system("cat /home/pi/CubeSatSim/morse.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo /home/pi/rpitx/rpitx -i- -m RF -f " + tx + "e3 > /dev/null 2>&1")
try:
system("gpio -g write " + str(txLed) + " 0")
except:
print("Can't set txLed")
output(txLed, 0)
# command_control_check()
sleep(2)
@ -689,20 +668,27 @@ if __name__ == "__main__":
# command_control_check()
output (ptt, 1)
output(pd, 1)
try:
# from picamera import PiCamera
# from pysstv.sstv import SSTV
# camera = PiCamera()
print("Testing for camera")
if camera_photo():
camera_present = 1
print("camera present")
if os_status == "bookworm":
system("rpicam-still -o /home/pi/CubeSatSim/camera_out.jpg --width 320 --height 256") # > /dev/null 2>&1")
else:
camera_present = 0
system("raspistill -o /home/pi/CubeSatSim/camera_out.jpg -w 320 -h 256")
f = open("/home/pi/CubeSatSim/camera_out.jpg")
f.close()
print("Camera present")
camera_present = 1
# camera.close()
except:
print("No camera available")
print(" -> if camera plugged in, is software enabled?")
camera_present = 0
try:
system("gpio -g write " + str(txLed) + " 0")
except:
print("Can't set txLed")
# while 1:
output(txLed, 0)
# output (ptt, 1)
# output(pd, 0)
if (camera_present == 1):
@ -714,12 +700,9 @@ if __name__ == "__main__":
if (command_tx == True):
print ("Sending SSTV image")
GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
try:
system("gpio -g mode " + str(txLed) + " out")
system("gpio -g write " + str(txLed) + " 1")
except:
print("Can't set txLed")
# GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
setup(txLed, "out")
output(txLed, 1)
# battery_saver_check()
if (txc):
@ -735,10 +718,7 @@ if __name__ == "__main__":
else:
system("cat /home/pi/CubeSatSim/sstv_image_2_320_x_256.jpg.wav | csdr convert_i16_f | csdr gain_ff 14000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f " + tx + "e3 > /dev/null 2>&1")
try:
system("gpio -g write " + str(txLed) + " 0")
except:
print("Can't set txLed")
output(txLed, 0)
# sleep(1)
except:
@ -753,12 +733,9 @@ if __name__ == "__main__":
if (command_tx == True):
print ("Sending SSTV image")
GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
try:
system("gpio -g mode " + str(txLed) + " out")
system("gpio -g write " + str(txLed) + " 1")
except:
print("Can't set txLed")
# GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
setup(txLed, "out")
output(txLed, 1)
# battery_saver_check()
if (txc):
@ -774,10 +751,8 @@ if __name__ == "__main__":
system("cat /home/pi/CubeSatSim/camera_out.jpg.wav | csdr convert_i16_f | csdr gain_ff 14000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f " + tx + "e3")
else:
system("cat /home/pi/CubeSatSim/camera_out.jpg.wav | csdr convert_i16_f | csdr gain_ff 14000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f " + tx + "e3 > /dev/null 2>&1")
try:
system("gpio -g write " + str(txLed) + " 0")
except:
print("Can't set txLed")
output(txLed, 0)
# output (ptt, 1)
# output(pd, 0)
@ -796,12 +771,9 @@ if __name__ == "__main__":
if (command_tx == True):
print ("Sending SSTV image")
GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
try:
system("gpio -g mode " + str(txLed) + " out")
system("gpio -g write " + str(txLed) + " 1")
except:
print("Can't set txLed")
# GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
setup(txLed, "out")
output(txLed, 1)
# battery_saver_check()
@ -817,10 +789,8 @@ if __name__ == "__main__":
system("cat /home/pi/CubeSatSim/sstv_image_1_320_x_256.jpg.wav | csdr convert_i16_f | csdr gain_ff 14000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f " + tx + "e3")
else:
system("cat /home/pi/CubeSatSim/sstv_image_1_320_x_256.jpg.wav | csdr convert_i16_f | csdr gain_ff 14000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f " + tx + "e3 > /dev/null 2>&1")
try:
system("gpio -g write " + str(txLed) + " 0")
except:
print("Can't set txLed")
output(txLed, 0)
# output (ptt, 1)
# output(pd, 0)
sleep(1)
@ -839,12 +809,9 @@ if __name__ == "__main__":
if (command_tx == True):
print ("Sending SSTV image")
try:
GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
system("gpio -g mode " + str(txLed) + " out")
system("gpio -g write " + str(txLed) + " 1")
except:
print("Can't set txLed")
# GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
setup(txLed, "out")
output(txLed, 1)
# battery_saver_check()
if (txc):
@ -859,10 +826,8 @@ if __name__ == "__main__":
system("cat /home/pi/CubeSatSim/sstv_image_2_320_x_256.jpg.wav | csdr convert_i16_f | csdr gain_ff 14000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f " + tx + "e3")
else:
system("cat /home/pi/CubeSatSim/sstv_image_2_320_x_256.jpg.wav | csdr convert_i16_f | csdr gain_ff 14000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f " + tx + "e3 > /dev/null 2>&1")
try:
system("gpio -g write " + str(txLed) + " 0")
except:
print("Can't set txLed")
output(txLed, 0)
# output (ptt, 1)
# output(pd, 0)
sleep(10)
@ -875,12 +840,9 @@ if __name__ == "__main__":
if (command_tx == True):
# command_control_check()
GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
try:
system("gpio -g mode " + str(txLed) + " out")
system("gpio -g write " + str(txLed) + " 1")
except:
print("Can't set txLed")
# GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
setup(txLed, "out")
output(txLed, 1)
# battery_saver_check()
@ -893,10 +855,8 @@ if __name__ == "__main__":
# output (pd, 0)
else:
sleep(60)
try:
system("gpio -g write " + str(txLed) + " 0")
except:
print("Can't set txLed")
output(txLed, 0)
# output (ptt, 1)
# output(pd, 0)
sleep(10)
@ -910,11 +870,9 @@ if __name__ == "__main__":
print("turn on FM rx")
output(pd, 1)
output(ptt, 1)
try:
GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi 4
system("gpio -g mode " + str(txLed) + " out")
except:
print("Can't set txLed")
# GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi 4
setup(txLed, "out")
if (command_tx == True):
# 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 &")
@ -924,26 +882,20 @@ if __name__ == "__main__":
print("Initial image_id: " + str(image_id) + "\n")
while 1:
# print ("LED on")
try:
system("gpio -g write " + str(txLed) + " 0")
except:
print("Can't set txLed")
output(txLed, 0)
sleep(0.4)
# if (command_tx == False):
# system("gpio -g write " + str(txLed) + " 1")
# output(txLed, 1)
# sleep(0.03)
# system("gpio -g write " + str(txLed) + " 0")
# output(txLed, 0)
# command_control_check()
if (command_tx == True):
GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
try:
system("gpio -g mode " + str(txLed) + " out")
system("gpio -g write " + str(txLed) + " 1")
except:
print("Can't set txLed")
# GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
setup(txLed, "out")
output(txLed, 1)
# print(txLed)
# print(txLedOn)
# print(1)
if (mode == 'b'):
sleep(4.2)
@ -979,14 +931,11 @@ if __name__ == "__main__":
print("turn on FM rx")
output(pd, 1)
output(ptt, 1)
GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi 4
try:
system("gpio -g mode " + str(txLed) + " out")
except:
print("Can't set txLed")
# system("gpio -g mode " + str(powerPin) + " out")
GPIO.setup(squelch, GPIO.IN, pull_up_down=GPIO.PUD_UP) ## pull up in case pin is not connected
# system("gpio -g write " + str(powerPin) + " 1") # was 0
# GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi 4
setup(txLed, "out")
# GPIO.setup(powerPin, GPIO.OUT)
setup(squelch, "up") ## pull up in case pin is not connected
# GPIO.output(powerPin, 1) # was 0
# txf = float(tx) - 288.9
# print("Transmit frequency: ",txf)
if (command_tx != True):
@ -994,24 +943,18 @@ if __name__ == "__main__":
print("Ready to detect carrier")
while True:
if (GPIO.input(squelch) == False) and (command_tx == True):
if (input(squelch) == False) and (command_tx == True):
print("Carrier detected, starting repeater")
GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
try:
system("gpio -g mode " + str(txLed) + " out")
system("gpio -g write " + str(txLed) + " 1")
except:
print("Can't set txLed")
# GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
setup(txLed, "out")
output(txLed, 1)
system("sudo nc -l 8011 | csdr convert_i16_f | csdr gain_ff 16000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f " + tx + "e3 > /dev/null 2>&1 &")
sleep(0.5)
system("sudo arecord -D shared_mic -r48000 -fS16_LE -c1 | nc localhost 8011 &")
while (GPIO.input(squelch) == False):
while (input(squelch) == False):
sleep(1)
print("No carrier detected, stopping repeater")
try:
system("gpio -g write " + str(txLed) + " 0")
except:
print("Can't set txLed")
output(txLed, 0)
system("sudo rpitx -i null > /dev/null 2>&1")
system("sudo killall -9 arecord > /dev/null 2>&1")
system("sudo killall -9 nc > /dev/null 2>&1")
@ -1027,35 +970,26 @@ if __name__ == "__main__":
output(pd, 1)
output(ptt, 1)
try:
GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi 4
system("gpio -g mode " + str(txLed) + " out")
except:
print("Can't set txLed")
# GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi 4
setup(txLed, "out")
if (command_tx == True):
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 " + tx + "e3 &")
print("Turning LED on/off and listening for carrier")
while 1:
try:
system("gpio -g write " + str(txLed) + " 0")
except:
print("Can't set txLed")
output(txLed, 0)
sleep(0.4)
# if (command_tx == False):
# system("gpio -g write " + str(txLed) + " 1")
# output(txLed, 1)
# sleep(0.03)
# system("gpio -g write " + str(txLed) + " 0")
# output(txLed, 0)
# command_control_check()
if (command_tx == True):
try:
GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
system("gpio -g mode " + str(txLed) + " out")
system("gpio -g write " + str(txLed) + " 1")
except:
print("Can't set txLed")
# GPIO.setmode(GPIO.BCM) # added to make Tx LED work on Pi Zero 2 and Pi 4
setup(txLed, "out")
output(txLed, 1)
# print(txLed)
# print(txLedOn)
# print(1)
sleep(4.2)
else:
print("No Low Pass Filter so no telemetry transmit. See http://cubesatsim.org/wiki for instructions on how to build the LPF.")

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