BTECH UV PRO - Initial support for connecting to the Bluetooth serial device on the BTECH UV PRO.

overlay/etc/adduser.conf

@@ -79,7 +79,7 @@ USERS_GID=1981
 # new users to other groups.
 # This is the list of groups that new non-system users will be added to
 # Default:
-EXTRA_GROUPS="dialout cdrom floppy audio video plugdev users"
+EXTRA_GROUPS="bluetooth dialout cdrom floppy audio video plugdev users"
 
 # If ADD_EXTRA_GROUPS is set to something non-zero, the EXTRA_GROUPS
 # option above will be default behavior for adding new, non-system users

overlay/etc/skel/notes/btech-uv-pro.md

@@ -0,0 +1,82 @@
+# BTECH UV Pro Bluetooth TNC Notes
+
+## Linux Packet Configuration
+
+Edit `/etc/ax25/axports` has root and add the following line.
+
+```
+PKT1200 KT7RUN 1200 255 2 145.710
+```
+
+## Radio Configuration
+
+* KISS TNC > Enable KISS TNC = checked
+
+## Pair Radio and Computer
+
+1. On the radio, start the pairing process by navigating to 
+   Menu > Pairing.
+
+2. 
+ 
+3. On the computer, run `bluetoothctl`
+
+```
+> power on
+> scan on
+> pair 38:D2:00:00:ED:C8
+> trust 38:D2:00:00:ED:C8
+> quit
+```
+
+## If you're already paired
+
+1. Kill any instances of rfcomm if they are running
+
+```
+sudo killall rfcomm
+```
+
+2. 
+
+```
+$ sudo rfcomm connect /dev/rfcomm0 38:D2:00:00:ED:C8
+Connected /dev/rfcomm0 to 38:D2:00:00:ED:C8 on channel 1
+Press CTRL-C for hangup
+```
+
+3. In another window, check that you are connected.
+
+```
+bluetoothctl info 38:D2:00:00:ED:C8 | grep Connected | awk '{print $2}'
+```
+
+4. Kill any instances of kissattach if they are running.
+
+```
+sudo killall kissattach
+```
+
+5. Attach to the desired AX.25 port.
+
+```
+$ sudo kissattach /dev/rfcomm0 PKT1200
+AX.25 port PKT1200 bound to device ax0
+```
+
+6. Connect to the BBS
+
+```
+axcall PKT1200 TTPBBS
+```
+
+Listen to incoming and outgoing packets and capture the time
+stamps for the traffic.
+
+```
+$ sudo axlisten -a -t
+```
+
+## Troubleshooting
+
+1. systemctl status  bluetooth

overlay/etc/sudoers.d/et-rfcomm

@@ -0,0 +1,7 @@
+%bluetooth ALL=(ALL) NOPASSWD: /usr/bin/rfcomm *
+%bluetooth ALL=(ALL) NOPASSWD: /usr/sbin/kissattach /dev/rfcomm0 *
+%bluetooth ALL=(ALL) NOPASSWD: /usr/sbin/kissparms *
+
+%bluetooth ALL=(ALL) NOPASSWD: /usr/bin/killall kissattach
+%bluetooth ALL=(ALL) NOPASSWD: /usr/bin/killall kissattach
+%bluetooth ALL=(ALL) NOPASSWD: /usr/bin/killall rfcomm