From 19c87b04f0afb4c63c4ef6045eb10bf07aee0999 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Sun, 30 Jun 2024 12:34:23 -0400
Subject: [PATCH] Create squelch_cc.py code moved from spitx.py

---
 squelch_cc.py | 165 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 165 insertions(+)
 create mode 100644 squelch_cc.py

diff --git a/squelch_cc.py b/squelch_cc.py
new file mode 100644
index 00000000..4a28f8c8
--- /dev/null
+++ b/squelch_cc.py
@@ -0,0 +1,165 @@
+import RPi.GPIO as GPIO
+from RPi.GPIO import output
+
+def command_control_check():
+
+#	global command_control
+#	global no_command
+#	global debug_mode
+  command_count = 0
+	
+#	output(pd, 1)
+#	output(ptt, 1)
+#	sleep(1)
+#	if (no_command == False and GPIO.input(squelch) == False):
+	if GPIO.input(squelch) == False:
+		print("carrier received!")
+		# command_tx = not command_tx
+#			print(command_tx)
+
+    try:
+      file = open("/home/pi/CubeSatSim/command_count.txt", "r")
+      string = file.read()
+      file.close()
+      command_count = int(string)
+      command_count += 1
+      filec = open("/home/pi/CubeSatSim/command_count.txt", "w")
+      command_count_string = str(command_count)
+      print(command_count_string)
+      string = filec.write(command_count_string)
+      filec.close()
+    except:
+      print("Can't write command_count file!")
+    print("Command_count: ")
+    print(command_count)						
+		
+		increment_mode()
+		
+#			if (command_tx == True):
+#				print("Turning on transmit")
+#				system("echo > command_tx True")
+#							output(txLed, txLedOn)
+#							sleep(0.5)
+#							output(txLed, txLedff)
+#			else:
+#				print("Turning off transmit")
+#				system("echo > command_tx False")
+	else:
+		print("No carrier received!")
+#	output(pd, 0)
+#					sleep(1)
+				
+def increment_mode():
+	print("increment mode")
+	powerPin = 16
+	try:
+		file = open("/home/pi/CubeSatSim/.mode")
+		mode = file.read(1)
+	except:
+#		mode = "f"
+		if (debug_mode == 1):
+			print("Can't open .mode file") # , defaulting to FSK")
+	file.close()
+	print("Mode is: ")
+	print(mode)
+	if (mode == 'a'):
+		mode = 'f'
+		GPIO.output(powerPin, 0) # blink two times
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(2.5)
+
+	elif (mode == 'f'):
+		mode = 'b'
+		GPIO.output(powerPin, 0) # blink three times
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)	
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(2.5)
+	
+	elif (mode == 'b'):
+		mode = 's'
+		GPIO.output(powerPin, 0) # blink four times
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)	
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)	
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(2.5)
+
+	elif (mode == 's'):
+		mode = 'm'
+		GPIO.output(powerPin, 0) # blink five times
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)	
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1);
+		GPIO.output(powerPin, 1)	
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(2.5)
+	else:
+		mode = 'a'
+		GPIO.output(powerPin, 0) # blink one time
+		sleep(0.1)
+		GPIO.output(powerPin, 1)
+		sleep(2.5)
+
+	try:	
+		file = open("/home/pi/CubeSatSim/.mode", "w")
+		count_string = str(command_count)
+		file.write(mode)
+		file.close()
+		print(".mode file written")
+		
+		GPIO.setwarnings(False)
+		GPIO.output(txLed, 0)
+		GPIO.output(powerPin, 0)
+		print("sudo reboot -h now")
+		GPIO.setwarnings(False)
+		GPIO.setup(powerPin, GPIO.OUT)
+		GPIO.output(powerPin, 0);
+#		system("reboot -h now")
+#		release = True;
+
+		print("Changing mode now")
+#		system("/home/pi/CubeSatSim/config -" + mode)
+		system("reboot -h now")
+
+		sleep(10);
+	except:
+		print("can't write to .mode file")
+
+while True:
+  command_control_check()