Update socat-at-bridge to 1.1.1

- Fixed an issue causing the bridge to not properly form at boot

- A single file is executed with procd now instead for each smd device (AT Coammnd stream)
This commit is contained in:
Cameron Thompson
2025-01-16 00:56:29 -05:00
parent 7810aed7d9
commit 0bb14ae09c
6 changed files with 80 additions and 45 deletions

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@@ -0,0 +1,37 @@
#!/bin/ash
# Optional logging for debugging
LOGFILE="/var/log/socat-bridge-smd7.log"
# Start socat to create virtual TTY devices
echo "$(date): Starting socat..." >> "$LOGFILE"
socat -d -d pty,link=/dev/ttySMD7IN,raw,echo=0,group=20,perm=660 \
pty,link=/dev/ttySMD7,raw,echo=1,group=20,perm=660 &
SOCAT_PID=$!
# Allow socat to initialize
sleep 1
# Start forwarding data from /dev/smd7 to /dev/ttySMD7IN
echo "$(date): Starting forward from /dev/smd7 to /dev/ttySMD7IN..." >> "$LOGFILE"
cat /dev/smd7 > /dev/ttySMD7IN &
CAT1_PID=$!
# Start forwarding data from /dev/ttySMD7IN to /dev/smd7
echo "$(date): Starting forward from /dev/ttySMD7IN to /dev/smd7..." >> "$LOGFILE"
cat /dev/ttySMD7IN > /dev/smd7 &
CAT2_PID=$!
# Handle script termination and cleanup
cleanup() {
echo "$(date): Cleaning up processes..." >> "$LOGFILE"
kill "$SOCAT_PID" "$CAT1_PID" "$CAT2_PID" 2>/dev/null
wait
echo "$(date): All processes stopped." >> "$LOGFILE"
}
# Trap termination signals to run cleanup
trap cleanup INT TERM EXIT
# Wait for all background processes to finish
wait

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@@ -0,0 +1,37 @@
#!/bin/ash
# Optional logging for debugging
LOGFILE="/var/log/socat-bridge.log"
# Start socat to create virtual TTY devices
echo "$(date): Starting socat..." >> "$LOGFILE"
socat -d -d pty,link=/dev/ttySMD11IN,raw,echo=0,group=20,perm=660 \
pty,link=/dev/ttySMD11,raw,echo=1,group=20,perm=660 &
SOCAT_PID=$!
# Allow socat to initialize
sleep 1
# Start forwarding data from /dev/smd11 to /dev/ttySMD11IN
echo "$(date): Starting forward from /dev/smd11 to /dev/ttySMD11IN..." >> "$LOGFILE"
cat /dev/smd11 > /dev/ttySMD11IN &
CAT1_PID=$!
# Start forwarding data from /dev/ttySMD11IN to /dev/smd11
echo "$(date): Starting forward from /dev/ttySMD11IN to /dev/smd11..." >> "$LOGFILE"
cat /dev/ttySMD11IN > /dev/smd11 &
CAT2_PID=$!
# Handle script termination and cleanup
cleanup() {
echo "$(date): Cleaning up processes..." >> "$LOGFILE"
kill "$SOCAT_PID" "$CAT1_PID" "$CAT2_PID" 2>/dev/null
wait
echo "$(date): All processes stopped." >> "$LOGFILE"
}
# Trap termination signals to run cleanup
trap cleanup INT TERM EXIT
# Wait for all background processes to finish
wait