Merge pull request #332 from alanbjohnston/beta-extra

Command & Control and Pi Zero 2 updates

Author: alanbjohnston

.gitignore

@@ -22,3 +22,23 @@ telem.wav
 cw.txt
 cwready
 logr.txt
+command_control
+command_control_direwolf
+command_count.txt
+command_tx
+cw0.txt
+cw1.txt
+cw2.txt
+cw3.txt
+cw4.txt
+cw5.txt
+cw6.txt
+logc.txt
+telem.txt
+telem_string.txt
+test
+transmit_dtmf
+uptime
+beacon_off
+battery_saver
+

command

@@ -0,0 +1,120 @@
+#!/bin/bash
+
+echo -e "\nCommand and Control script for CubeSatSim v1.3.2\n"
+
+	FILE=/home/pi/CubeSatSim/command_control
+	if [ -f "$FILE" ]; then
+    		echo "Radio command and control is ON"
+#			echo "Turning Command and control to OFF"
+#			sudo rm /home/pi/CubeSatSim/command_control
+#			echo "rebooting"
+#			sudo systemctl stop rpitx
+#			sudo reboot now	
+#		fi
+
+	else 
+    		echo "Radio command and control is OFF"
+
+		while true
+		do
+			sleep 60
+		done
+
+#		exit 1
+	fi
+
+if [ "$1" = "d" ]; then
+
+	echo "debug mode"
+
+	debug=1
+
+else
+
+	debug=0
+
+fi
+
+echo "Waiting 20 seconds for USB"
+
+sleep 20
+
+FILE=/home/pi/CubeSatSim/command_control_direwolf
+if [[ $(arecord -l | grep "USB Audio Device") ]] && [ -f "$FILE" ]; then
+
+	echo "Starting Direwolf DTMF and APRS Command and Control"
+
+	if [ "$debug" = "1" ]; then
+	
+		echo "debug mode"
+	
+		direwolf -c /home/pi/CubeSatSim/direwolf-cc.conf -t 0l | python3 /home/pi/CubeSatSim/dtmf_aprs_cc.py d
+	
+	else
+	
+		direwolf -c /home/pi/CubeSatSim/direwolf-cc.conf -t 0l | python3 /home/pi/CubeSatSim/dtmf_aprs_cc.py
+	
+	fi
+else
+
+	if [ -f "$FILE" ]; then
+
+		echo "Direwolf mode set but no USB soundcard detected!"
+
+#		echo "Trying RTL-FM"
+
+		timeout 1 rtl_test &> out.txt
+		if [[ $(grep "No supported" out.txt) ]] ; then
+
+			echo "No RTL-SDR detected.  Command and control is OFF"
+#			sleep 60
+			exit
+
+		else
+
+			echo "RTL-SDR detected."
+			sudo modprobe snd-aloop
+	
+			value=`aplay -l | grep "Loopback"`
+			echo "$value" > /dev/null
+			set -- $value
+	
+			rtl_fm -M fm -f 435M -s 48k | aplay -D hw:${2:0:1},0,0 -r 48000 -t raw -f S16_LE -c 1 &
+	
+			if [ "$debug" = "1" ]; then
+			
+				echo "debug mode"
+			
+				direwolf -r 48000 -c /home/pi/CubeSatSim/groundstation/direwolf/direwolf.conf -t 0l | python3 /home/pi/CubeSatSim/dtmf_aprs_cc.py d
+			
+			else
+			
+				direwolf -r 48000 -c /home/pi/CubeSatSim/groundstation/direwolf/direwolf.conf -t 0l | python3 /home/pi/CubeSatSim/dtmf_aprs_cc.py
+			
+			fi
+
+			sleep 5
+		fi
+		rm out.txt
+	else
+
+		echo "Starting Carrier (squelch) Command and Control"
+
+	fi
+
+	if [ "$1" = "d" ]; then
+	
+		echo "debug mode"
+	
+		python3 /home/pi/CubeSatSim/squelch_cc.py d
+	
+	else
+	
+		python3 /home/pi/CubeSatSim/squelch_cc.py
+	
+	fi	 
+fi
+
+sudo killall -9 direwolf  &>/dev/null
+sudo killall -9 rtl_fm  &>/dev/null
+