Merge pull request #367 from alanbjohnston/fc-mic

Cross Band Repeater improvements with C2C

asound.conf

@@ -0,0 +1,46 @@
+pcm.!default {
+    type asym
+    playback.pcm "softvol"
+    capture.pcm "shared_mic"
+}
+
+ctl.!default {
+    type hw
+    card 2
+}
+
+# Playback with software volume and mixing
+pcm.softvol {
+    type softvol
+    slave.pcm "shared_speaker"
+    control {
+        name "Master"
+        card 2
+    }
+}
+
+pcm.shared_speaker {
+    type dmix
+    ipc_key 1024
+    slave {
+        pcm "hw:2,0"
+        rate 48000
+        period_time 0
+        period_size 1024
+        buffer_size 4096
+    }
+}
+
+# Recording with input mixing
+pcm.shared_mic {
+    type dsnoop
+    ipc_key 2048
+    slave {
+        pcm "hw:2,0"
+#        channels 1
+        rate 48000
+        period_time 0
+        period_size 1024
+        buffer_size 4096
+    }
+}

command

@@ -2,6 +2,8 @@
 
 echo -e "\nCommand and Control script for CubeSatSim v2.1\n"
 
+sudo modprobe snd-aloop
+
 	FILE=/home/pi/CubeSatSim/command_control
 	if [ -f "$FILE" ]; then
     		echo "Radio command and control is ON"

direwolf-cc.conf

@@ -1,2 +1,2 @@
-ADEVICE hw:CARD=Device,DEV=0 default 
+ADEVICE shared_mic hw:CARD=Loopback,DEV=1 
 DTMF

transmit.py

@@ -825,10 +825,6 @@ if __name__ == "__main__":
 			while True:
 				if (GPIO.input(squelch) == False) and (command_tx == True):
 					print("Carrier detected, starting repeater")
-					if (no_command == False):
-						sleep(3)  # wait 3 seconds before repeater mode in case it is C2C command
-						print("stopping C2C")
-						system("sudo systemctl stop command")
 					GPIO.setmode(GPIO.BCM)  # added to make Tx LED work on Pi Zero 2 and Pi 4		
 					GPIO.setup(txLed, GPIO.OUT)						
 					output(txLed, txLedOn)
@@ -837,7 +833,7 @@ if __name__ == "__main__":
 					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 plughw:1 -r48000 -fS16_LE -c1 | nc localhost 8011 &")
-					system("sudo arecord -D plughw:CARD=Device,DEV=0 -r48000 -fS16_LE -c1 | nc localhost 8011 &")
+					system("sudo arecord -D shared_mic -r48000 -fS16_LE -c1 | nc localhost 8011 &")
 #					GPIO.output(powerPin, 1)
 #					sleep(0.5)
 #					GPIO.output(powerPin, 0)
@@ -852,12 +848,7 @@ if __name__ == "__main__":
 					system("sudo /etc/init.d/alsa-utils stop")
 					system("sudo /etc/init.d/alsa-utils start")
 					print("Finished resetting audio")
-					if (no_command == False):
-						system("sudo systemctl restart command")
-						print("restarting C2C")	
-#						print("Waiting for C2C")
-#						sleep(4) # wait 4 seconds for a C2C command
-						print("Ready to detect carrier")
+					print("Ready to detect carrier")
 	
 		else:
 			print("FSK") 

update

@@ -35,7 +35,7 @@ if [ "$1" = "u" ]; then
 
 fi
 
-sudo apt-get install -y python3-smbus libusb-1.0
+# sudo apt-get install -y python3-smbus libusb-1.0
 
 sudo sed -i 's/update.sh/update /g' /etc/motd
 
@@ -119,6 +119,21 @@ else
   FLAG=1
 fi
 
+FILE=/etc/asound.conf
+if [ -f "$FILE" ]; then
+  if [[ $(diff /home/pi/CubeSatSim/asound.conf /etc/asound.conf) ]]; then
+    echo "changed /etc/asound.conf."
+    sudo cp /home/pi/CubeSatSim/asound.conf /etc/asound.conf
+    FLAG=1
+  else
+    echo "no change to /etc/asound.conf."
+  fi
+else
+  echo "creating /etc/asound.conf."
+  sudo cp /home/pi/CubeSatSim/asound.conf /etc/asound.conf
+  FLAG=1
+fi
+
 FILE=/home/pi/CubeSatSim/sstv_image_1_320_x_256.jpg
 if [ ! -f "$FILE" ]; then
     echo "Copying SSTV image 1."
@@ -260,8 +275,12 @@ elif [ ! -f "/home/pi/fctelem/v0.2" ]; then
 	FLAG=1
 fi
 
-if [ ! -d "/home/pi/fcdctl" ]; then
+if [ ! -f "/home/pi/fcdctl/fcdctl" ]; then
 	echo "Installing fcdctl to set FunCubeDongle Pro gain"
+	sudo rm /var/lib/dpkg/info/python3-pip.list
+	sudo apt install python3-pip --reinstall
+	sudo apt-get install -y python3-smbus libusb-1.0
+	cd
 	git clone https://github.com/csete/fcdctl.git
 	cd fcdctl
 	make fcdpp
@@ -269,7 +288,7 @@ fi
 
 cd /home/pi/pi-power-button
 
-git checkout master
+# git checkout master
 
   git pull --no-rebase > .updated_p
 
@@ -277,12 +296,13 @@ git checkout master
   if [[ $(grep 'changed' /home/pi/pi-power-button/.updated_p) ]]; then
   
     echo "updating pi-power-button."
+
+    git checkout 7-modes
     
     script/install
 
     FLAG=1
 
-
   else
     echo "nothing to do for pi-power-button."
   fi