Merge branch 'master-test' into universal

afsk/main.c

@@ -90,8 +90,6 @@ int testCount = 0;
 short int buffer[2336400];  // max size for 10 frames count of BPSK
 
 #define S_RATE  (48000)     // (44100)
-
-
 #define FSK 0
 #define BPSK 1
 #define AFSK 2

groundstation/README.md

@@ -1,4 +1,4 @@
-These files relate to the optional Raspberry Pi Ground Station.
+The files relate to the optional Raspberry Pi Ground Station.
 
 The Ground Station can be installed on any Windows or Linux PC or laptop, but it does require drivers to be installed (RTL-SDR)
 and virtual audio cable (for sound) to be installed.  This requires administrator privileges on the computer.

systemd/README.md

@@ -1,19 +1,16 @@
-To make the CubeSat Simulator transmit automatically on boot, follow these steps, which were derived from https://www.mauras.ch/systemd-run-it-last.html
+To make the CubeSat Simulator transmit automatically on boot, follow these steps, which were derived from https://www.raspberrypi.org/documentation/linux/usage/systemd.md
 
-On the Pi, if you are not already in this directory:
 
-cd ~/CubeSatSim/systemd
+Log into the Pi and type:
 
-sudo cp custom.target /etc/systemd/system/custom.target
+sudo cp ~/CubeSatSim/cubesatsim.service /etc/systemd/system/cubesatsim.service
 
-sudo mkdir /etc/systemd/system/custom.target.wants
+sudo systemctl enable cubesatsim
 
-sudo cp cubesatsim.service /etc/systemd/system/custom.target.wants/cubesatsim.service
+Reboot to start the autoboot service:
 
-sudo systemctl isolate custom.target
+sudo reboot now
 
-sudo ln -sf /etc/systemd/system/custom.target /etc/systemd/system/default.target
-
-Now after a reboot (sudo reboot now), the demo.sh script will run automatically, and the console will log to ~/CubeSatSim/log.txt  To see it:
+Now after the Pi starts up, the demo.sh script will run automatically, and the console will log to ~/CubeSatSim/log.txt  To see it:
 
 tail ~/CubeSatSim/log.txt

systemd/cubesatsim.service

@@ -1,10 +1,13 @@
 [Unit]
-Description=My last command
-After=multi-user.target
+Description=My service
 
 [Service]
-Type=simple
 ExecStart=/home/pi/CubeSatSim/demo.sh > /home/pi/CubeSatSim/log.txt 2>&1
- 
+WorkingDirectory=/home/pi/CubeSatSim
+StandardOutput=inherit
+StandardError=inherit
+Restart=always
+User=root
+
 [Install]
 WantedBy=default.target

systemd/custom.target

@@ -1,5 +0,0 @@
-[Unit]
-Description=Custom Target
-Requires=multi-user.target
-After=multi-user.target
-AllowIsolate=yes

systemd/new.service

@@ -1,10 +0,0 @@
-[Unit]
-Description=My last command
-After=multi-user.target
-
-[Service]
-Type=simple
-ExecStart=/home/pi/CubeSatSim/demo.sh
-
-[Install]
-WantedBy=custom.target